/* GStreamer
* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
+ * Copyright (C) 2005-2009 Tim-Philipp Müller <tim centricular net>
+ * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* gsttypefindfunctions.c: collection of various typefind functions
*
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#endif
#include <glib.h>
+#include <glib/gprintf.h>
-#include <gst/gsttypefind.h>
-#include <gst/gstelement.h>
-#include <gst/gstversion.h>
-#include <gst/gstinfo.h>
-#include <gst/gstutils.h>
+/* don't want to add gio xdgmime typefinder if gio was disabled via configure */
+#ifdef HAVE_GIO
+#include <gio/gio.h>
+#define USE_GIO
+#endif
+
+#include <gst/gst.h>
+#include <stdio.h>
#include <string.h>
#include <ctype.h>
+#include <gst/pbutils/pbutils.h>
+#include <gst/base/gstbytereader.h>
+
GST_DEBUG_CATEGORY_STATIC (type_find_debug);
#define GST_CAT_DEFAULT type_find_debug
+/* so our code stays ready for 0.11 */
+#define gst_type_find_peek(tf,off,len) \
+ ((const guint8 *)gst_type_find_peek((tf),(off),(len)))
+
/* DataScanCtx: helper for typefind functions that scan through data
* step-by-step, to avoid doing a peek at each and every offset */
return FALSE;
}
+static inline gboolean
+data_scan_ctx_memcmp (GstTypeFind * tf, DataScanCtx * c, guint offset,
+ const gchar * data, guint len)
+{
+ if (!data_scan_ctx_ensure_data (tf, c, offset + len))
+ return FALSE;
+
+ return (memcmp (c->data + offset, data, len) == 0);
+}
+
/*** text/plain ***/
static gboolean xml_check_first_element (GstTypeFind * tf,
const gchar * element, guint elen, gboolean strict);
utf8_type_find_have_valid_utf8_at_offset (GstTypeFind * tf, guint64 offset,
GstTypeFindProbability * prob)
{
- guint8 *data;
+ const guint8 *data;
/* randomly decided values */
guint min_size = 16; /* minimum size */
gst_type_find_suggest (tf, (start_prob + mid_prob) / 2, UTF8_CAPS);
}
+/*** text/utf-16 and text/utf-32} ***/
+/* While UTF-8 is unicode too, using text/plain for UTF-16 and UTF-32
+ is going to break stuff. */
+
+typedef struct
+{
+ size_t bomlen;
+ const char *const bom;
+ gboolean (*checker) (const guint8 *, gint, gint);
+ int boost;
+ int endianness;
+} GstUnicodeTester;
+
+static gboolean
+check_utf16 (const guint8 * data, gint len, gint endianness)
+{
+ GstByteReader br;
+ guint16 high, low;
+
+ low = high = 0;
+
+ if (len & 1)
+ return FALSE;
+
+ gst_byte_reader_init (&br, data, len);
+ while (len >= 2) {
+ /* test first for a single 16 bit value in the BMP */
+ if (endianness == G_BIG_ENDIAN)
+ high = gst_byte_reader_get_uint16_be_unchecked (&br);
+ else
+ high = gst_byte_reader_get_uint16_le_unchecked (&br);
+ if (high >= 0xD800 && high <= 0xDBFF) {
+ /* start of a surrogate pair */
+ if (len < 4)
+ return FALSE;
+ len -= 2;
+ if (endianness == G_BIG_ENDIAN)
+ low = gst_byte_reader_get_uint16_be_unchecked (&br);
+ else
+ low = gst_byte_reader_get_uint16_le_unchecked (&br);
+ if (low >= 0xDC00 && low <= 0xDFFF) {
+ /* second half of the surrogate pair */
+ } else
+ return FALSE;
+ } else {
+ if (high >= 0xDC00 && high <= 0xDFFF)
+ return FALSE;
+ }
+ len -= 2;
+ }
+ return TRUE;
+}
+
+static gboolean
+check_utf32 (const guint8 * data, gint len, gint endianness)
+{
+ if (len & 3)
+ return FALSE;
+ while (len > 3) {
+ guint32 v;
+ if (endianness == G_BIG_ENDIAN)
+ v = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+ else
+ v = (data[3] << 24) | (data[2] << 16) | (data[1] << 8) | data[0];
+ if (v >= 0x10FFFF)
+ return FALSE;
+ data += 4;
+ len -= 4;
+ }
+ return TRUE;
+}
+
+static void
+unicode_type_find (GstTypeFind * tf, const GstUnicodeTester * tester,
+ guint n_tester, const char *media_type, gboolean require_bom)
+{
+ size_t n;
+ gint len = 4;
+ const guint8 *data = gst_type_find_peek (tf, 0, len);
+ int prob = -1;
+ const gint max_scan_size = 256 * 1024;
+ int endianness = 0;
+
+ if (!data) {
+ len = 2;
+ data = gst_type_find_peek (tf, 0, len);
+ if (!data)
+ return;
+ }
+
+ /* find a large enough size that works */
+ while (len < max_scan_size) {
+ size_t newlen = len << 1;
+ const guint8 *newdata = gst_type_find_peek (tf, 0, newlen);
+ if (!newdata)
+ break;
+ len = newlen;
+ data = newdata;
+ }
+
+ for (n = 0; n < n_tester; ++n) {
+ int bom_boost = 0, tmpprob;
+ if (len >= tester[n].bomlen) {
+ if (!memcmp (data, tester[n].bom, tester[n].bomlen))
+ bom_boost = tester[n].boost;
+ }
+ if (require_bom && bom_boost == 0)
+ continue;
+ if (!(*tester[n].checker) (data, len, tester[n].endianness))
+ continue;
+ tmpprob = GST_TYPE_FIND_POSSIBLE - 20 + bom_boost;
+ if (tmpprob > prob) {
+ prob = tmpprob;
+ endianness = tester[n].endianness;
+ }
+ }
+
+ if (prob > 0) {
+ GST_DEBUG ("This is valid %s %s", media_type,
+ endianness == G_BIG_ENDIAN ? "be" : "le");
+ gst_type_find_suggest_simple (tf, prob, media_type,
+ "endianness", G_TYPE_INT, endianness, NULL);
+ }
+}
+
+static GstStaticCaps utf16_caps = GST_STATIC_CAPS ("text/utf-16");
+
+#define UTF16_CAPS gst_static_caps_get(&utf16_caps)
+
+static void
+utf16_type_find (GstTypeFind * tf, gpointer unused)
+{
+ static const GstUnicodeTester utf16tester[2] = {
+ {2, "\xff\xfe", check_utf16, 10, G_LITTLE_ENDIAN},
+ {2, "\xfe\xff", check_utf16, 20, G_BIG_ENDIAN},
+ };
+ unicode_type_find (tf, utf16tester, G_N_ELEMENTS (utf16tester),
+ "text/utf-16", TRUE);
+}
+
+static GstStaticCaps utf32_caps = GST_STATIC_CAPS ("text/utf-32");
+
+#define UTF32_CAPS gst_static_caps_get(&utf32_caps)
+
+static void
+utf32_type_find (GstTypeFind * tf, gpointer unused)
+{
+ static const GstUnicodeTester utf32tester[2] = {
+ {4, "\xff\xfe\x00\x00", check_utf32, 10, G_LITTLE_ENDIAN},
+ {4, "\x00\x00\xfe\xff", check_utf32, 20, G_BIG_ENDIAN}
+ };
+ unicode_type_find (tf, utf32tester, G_N_ELEMENTS (utf32tester),
+ "text/utf-32", TRUE);
+}
+
/*** text/uri-list ***/
static GstStaticCaps uri_caps = GST_STATIC_CAPS ("text/uri-list");
static void
uri_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, BUFFER_SIZE);
+ const guint8 *data = gst_type_find_peek (tf, 0, BUFFER_SIZE);
guint pos = 0;
guint offset = 0;
}
}
+/*** application/x-hls ***/
+
+static GstStaticCaps hls_caps = GST_STATIC_CAPS ("application/x-hls");
+#define HLS_CAPS (gst_static_caps_get(&hls_caps))
+
+/* See http://tools.ietf.org/html/draft-pantos-http-live-streaming-05 */
+static void
+hls_type_find (GstTypeFind * tf, gpointer unused)
+{
+ DataScanCtx c = { 0, NULL, 0 };
+
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 7)))
+ return;
+
+ if (memcmp (c.data, "#EXTM3U", 7))
+ return;
+
+ data_scan_ctx_advance (tf, &c, 7);
+
+ /* Check only the first 256 bytes */
+ while (c.offset < 256) {
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 21)))
+ return;
+
+ /* Search for # comment lines */
+ if (c.data[0] == '#' && (memcmp (c.data, "#EXT-X-TARGETDURATION", 21) == 0
+ || memcmp (c.data, "#EXT-X-STREAM-INF", 17) == 0)) {
+ gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, HLS_CAPS);
+ return;
+ }
+
+ data_scan_ctx_advance (tf, &c, 1);
+ }
+}
+
/*** application/xml **********************************************************/
gboolean strict)
{
gboolean got_xmldec;
- guint8 *data;
+ const guint8 *data;
guint offset = 0;
guint pos = 0;
static gboolean
sdp_check_header (GstTypeFind * tf)
{
- guint8 *data;
+ const guint8 *data;
data = gst_type_find_peek (tf, 0, 5);
if (!data)
static void
html_type_find (GstTypeFind * tf, gpointer unused)
{
- gchar *d, *data;
+ const gchar *d, *data;
- data = (gchar *) gst_type_find_peek (tf, 0, 16);
+ data = (const gchar *) gst_type_find_peek (tf, 0, 16);
if (!data)
return;
} else if (xml_check_first_element (tf, "html", 4, FALSE)) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, HTML_CAPS);
} else if ((d = memchr (data, '<', 16))) {
- data = (gchar *) gst_type_find_peek (tf, d - data, 6);
+ data = (const gchar *) gst_type_find_peek (tf, d - data, 6);
if (data && g_ascii_strncasecmp (data, "<html>", 6) == 0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, HTML_CAPS);
}
static void
mid_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
/* http://jedi.ks.uiuc.edu/~johns/links/music/midifile.html */
if (data && data[0] == 'M' && data[1] == 'T' && data[2] == 'h'
static void
mxmf_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = NULL;
+ const guint8 *data = NULL;
/* Search FileId "XMF_" 4 bytes */
data = gst_type_find_peek (tf, 0, 4);
static void
flx_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 134);
+ const guint8 *data = gst_type_find_peek (tf, 0, 134);
if (data) {
/* check magic and the frame type of the first frame */
static void
id3v2_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 10);
+ const guint8 *data = gst_type_find_peek (tf, 0, 10);
if (data && memcmp (data, "ID3", 3) == 0 &&
data[3] != 0xFF && data[4] != 0xFF &&
static void
id3v1_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, -128, 3);
+ const guint8 *data = gst_type_find_peek (tf, -128, 3);
if (data && memcmp (data, "TAG", 3) == 0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, ID3_CAPS);
static void
apetag_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data;
+ const guint8 *data;
/* APEv1/2 at start of file */
data = gst_type_find_peek (tf, 0, 8);
static void
tta_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 3);
+ const guint8 *data = gst_type_find_peek (tf, 0, 3);
if (data) {
if (memcmp (data, "TTA", 3) == 0) {
return;
}
+/* disabled because it happily typefinds /dev/urandom as audio/x-flac, and
+ * because I yet have to see header-less flac in the wild */
+#if 0
/* flac without headers (subset format) */
/* 64K should be enough */
while (c.offset < (64 * 1024)) {
advance:
data_scan_ctx_advance (tf, &c, 1);
}
+#endif
+}
+
+/* TODO: we could probably make a generic function for this.. */
+static gint
+aac_type_find_scan_loas_frames_ep (GstTypeFind * tf, DataScanCtx * scan_ctx,
+ gint max_frames)
+{
+ DataScanCtx c = *scan_ctx;
+ guint16 snc;
+ guint len;
+ gint count = 0;
+
+ do {
+ if (!data_scan_ctx_ensure_data (tf, &c, 5))
+ break;
+
+ /* EPAudioSyncStream */
+ len = ((c.data[2] & 0x0f) << 9) | (c.data[3] << 1) |
+ ((c.data[4] & 0x80) >> 7);
+
+ if (len == 0 || !data_scan_ctx_ensure_data (tf, &c, len + 2)) {
+ GST_DEBUG ("Wrong sync or next frame not within reach, len=%u", len);
+ break;
+ }
+
+ /* check length of frame */
+ snc = GST_READ_UINT16_BE (c.data + len);
+ if (snc != 0x4de1) {
+ GST_DEBUG ("No sync found at 0x%" G_GINT64_MODIFIER "x", c.offset + len);
+ break;
+ }
+
+ ++count;
+
+ GST_DEBUG ("Found LOAS syncword #%d at offset 0x%" G_GINT64_MODIFIER "x, "
+ "framelen %u", count, c.offset, len);
+
+ data_scan_ctx_advance (tf, &c, len);
+ } while (count < max_frames && (c.offset - scan_ctx->offset) < 64 * 1024);
+
+ GST_DEBUG ("found %d consecutive frames", count);
+ return count;
+}
+
+static gint
+aac_type_find_scan_loas_frames (GstTypeFind * tf, DataScanCtx * scan_ctx,
+ gint max_frames)
+{
+ DataScanCtx c = *scan_ctx;
+ guint16 snc;
+ guint len;
+ gint count = 0;
+
+ do {
+ if (!data_scan_ctx_ensure_data (tf, &c, 3))
+ break;
+
+ /* AudioSyncStream */
+ len = ((c.data[1] & 0x1f) << 8) | c.data[2];
+ /* add size of sync stream header */
+ len += 3;
+
+ if (len == 0 || !data_scan_ctx_ensure_data (tf, &c, len)) {
+ GST_DEBUG ("Wrong sync or next frame not within reach, len=%u", len);
+ break;
+ }
+
+ /* check length of frame */
+ snc = GST_READ_UINT16_BE (c.data + len);
+ if ((snc & 0xffe0) != 0x56e0) {
+ GST_DEBUG ("No sync found at 0x%" G_GINT64_MODIFIER "x", c.offset + len);
+ break;
+ }
+
+ ++count;
+
+ GST_DEBUG ("Found LOAS syncword #%d at offset 0x%" G_GINT64_MODIFIER "x, "
+ "framelen %u", count, c.offset, len);
+
+ data_scan_ctx_advance (tf, &c, len);
+ } while (count < max_frames && (c.offset - scan_ctx->offset) < 64 * 1024);
+
+ GST_DEBUG ("found %d consecutive frames", count);
+ return count;
}
/*** audio/mpeg version 2, 4 ***/
aac_type_find (GstTypeFind * tf, gpointer unused)
{
DataScanCtx c = { 0, NULL, 0 };
+ GstTypeFindProbability best_probability = GST_TYPE_FIND_NONE;
+ GstCaps *best_caps = NULL;
+ guint best_count = 0;
while (c.offset < AAC_AMOUNT) {
guint snc, len;
* again a valid syncpoint on the next one (28 bits) for certainty. We
* require 4 kB, which is quite a lot, since frames are generally 200-400
* bytes.
+ * LOAS has 2 possible syncwords, which are 11 bits and 16 bits long.
+ * The following stream syntax depends on which one is found.
*/
if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 6)))
break;
goto next;
}
+ /* check if there's a second ADTS frame */
snc = GST_READ_UINT16_BE (c.data + len);
if ((snc & 0xfff6) == 0xfff0) {
- gint mpegversion;
+ GstCaps *caps;
+ guint mpegversion, sample_freq_idx, channel_config, profile_idx, rate;
+ guint8 audio_config[2];
mpegversion = (c.data[1] & 0x08) ? 2 : 4;
+ profile_idx = c.data[2] >> 6;
+ sample_freq_idx = ((c.data[2] & 0x3c) >> 2);
+ channel_config = ((c.data[2] & 0x01) << 2) + (c.data[3] >> 6);
+
GST_DEBUG ("Found second ADTS-%d syncpoint at offset 0x%"
G_GINT64_MODIFIER "x, framelen %u", mpegversion, c.offset, len);
- gst_type_find_suggest_simple (tf, GST_TYPE_FIND_LIKELY, "audio/mpeg",
+
+ /* 0xd and 0xe are reserved. 0xf means the sample frequency is directly
+ * specified in the header, but that's not allowed for ADTS */
+ if (sample_freq_idx > 0xc) {
+ GST_DEBUG ("Unexpected sample frequency index %d or wrong sync",
+ sample_freq_idx);
+ goto next;
+ }
+
+ rate = gst_codec_utils_aac_get_sample_rate_from_index (sample_freq_idx);
+ GST_LOG ("ADTS: profile=%u, rate=%u", profile_idx, rate);
+
+ /* The ADTS frame header is slightly different from the
+ * AudioSpecificConfig defined for the MPEG-4 container, so we just
+ * construct enough of it for getting the level here. */
+ /* ADTS counts profiles from 0 instead of 1 to save bits */
+ audio_config[0] = (profile_idx + 1) << 3;
+ audio_config[0] |= (sample_freq_idx >> 1) & 0x7;
+ audio_config[1] = (sample_freq_idx & 0x1) << 7;
+ audio_config[1] |= (channel_config & 0xf) << 3;
+
+ caps = gst_caps_new_simple ("audio/mpeg",
"framed", G_TYPE_BOOLEAN, FALSE,
- "mpegversion", G_TYPE_INT, mpegversion, NULL);
+ "mpegversion", G_TYPE_INT, mpegversion,
+ "stream-format", G_TYPE_STRING, "adts", NULL);
+
+ gst_codec_utils_aac_caps_set_level_and_profile (caps, audio_config, 2);
+
+ /* add rate and number of channels if we can */
+ if (channel_config != 0 && channel_config <= 7) {
+ const guint channels_map[] = { 0, 1, 2, 3, 4, 5, 6, 8 };
+
+ gst_caps_set_simple (caps, "channels", G_TYPE_INT,
+ channels_map[channel_config], "rate", G_TYPE_INT, rate, NULL);
+ }
+
+ gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, caps);
+ gst_caps_unref (caps);
break;
}
GST_DEBUG ("No next frame found... (should have been at 0x%x)", len);
+ } else if (G_UNLIKELY ((snc & 0xffe0) == 0x56e0 || snc == 0x4de1)) {
+ gint count;
+
+ /* LOAS frame */
+ GST_INFO ("Possible LOAS syncword at offset 0x%" G_GINT64_MODIFIER
+ "x, scanning for more frames...", c.offset);
+
+ if (snc == 0x4de1)
+ count = aac_type_find_scan_loas_frames_ep (tf, &c, 20);
+ else
+ count = aac_type_find_scan_loas_frames (tf, &c, 20);
+
+ if (count >= 3 && count > best_count) {
+ gst_caps_replace (&best_caps, NULL);
+ best_caps = gst_caps_new_simple ("audio/mpeg",
+ "framed", G_TYPE_BOOLEAN, FALSE,
+ "mpegversion", G_TYPE_INT, 4,
+ "stream-format", G_TYPE_STRING, "loas", NULL);
+ best_count = count;
+ best_probability = GST_TYPE_FIND_POSSIBLE - 10 + count * 3;
+ if (best_probability >= GST_TYPE_FIND_LIKELY)
+ break;
+ }
} else if (!memcmp (c.data, "ADIF", 4)) {
/* ADIF header */
gst_type_find_suggest_simple (tf, GST_TYPE_FIND_LIKELY, "audio/mpeg",
- "framed", G_TYPE_BOOLEAN, FALSE, "mpegversion", G_TYPE_INT, 4, NULL);
+ "framed", G_TYPE_BOOLEAN, FALSE, "mpegversion", G_TYPE_INT, 4,
+ "stream-format", G_TYPE_STRING, "adif", NULL);
break;
}
data_scan_ctx_advance (tf, &c, 1);
}
+
+ if (best_probability > GST_TYPE_FIND_NONE) {
+ gst_type_find_suggest (tf, best_probability, best_caps);
+ gst_caps_unref (best_caps);
+ }
}
/*** audio/mpeg version 1 ***/
/* bitrate index */
bitrate = header & 0xF;
if (bitrate == 0 && possible_free_framelen == -1) {
- GST_LOG ("Possibly a free format mp3 - signalling");
+ GST_LOG ("Possibly a free format mp3 - signaling");
*may_be_free_format = TRUE;
}
if (bitrate == 15 || (bitrate == 0 && possible_free_framelen == -1))
mp3_type_find_at_offset (GstTypeFind * tf, guint64 start_off,
guint * found_layer, GstTypeFindProbability * found_prob)
{
- guint8 *data = NULL;
- guint8 *data_end = NULL;
+ const guint8 *data = NULL;
+ const guint8 *data_end = NULL;
guint size;
guint64 skipped;
gint last_free_offset = -1;
data_end = data + size;
}
if (*data == 0xFF) {
- guint8 *head_data = NULL;
+ const guint8 *head_data = NULL;
guint layer = 0, bitrate, samplerate, channels;
guint found = 0; /* number of valid headers found */
guint64 offset = skipped;
+ gboolean changed = FALSE;
while (found < GST_MP3_TYPEFIND_TRY_HEADERS) {
guint32 head;
guint length;
- guint prev_layer = 0, prev_bitrate = 0;
+ guint prev_layer = 0;
guint prev_channels = 0, prev_samplerate = 0;
gboolean free = FALSE;
* that this is not a mp3 but just a random bytestream. It could
* be a freaking funky encoded mp3 though. We'll just not count
* this header*/
+ if (prev_layer)
+ changed = TRUE;
prev_layer = layer;
- prev_bitrate = bitrate;
prev_channels = channels;
prev_samplerate = samplerate;
} else {
probability = GST_TYPE_FIND_MINIMUM;
if (start_off > 0)
probability /= 2;
+ if (!changed)
+ probability = (probability + GST_TYPE_FIND_MAXIMUM) / 2;
GST_INFO
("audio/mpeg calculated %u = %u * %u / %u * (%u - %"
mp3_type_find (GstTypeFind * tf, gpointer unused)
{
GstTypeFindProbability prob, mid_prob;
- guint8 *data;
+ const guint8 *data;
guint layer, mid_layer;
guint64 length;
g_return_if_fail (layer >= 1 && layer <= 3);
gst_type_find_suggest_simple (tf, prob, "audio/mpeg",
- "mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, layer, NULL);
+ "mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, layer,
+ "parsed", G_TYPE_BOOLEAN, FALSE, NULL);
}
}
static void
musepack_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
GstTypeFindProbability prop = GST_TYPE_FIND_MINIMUM;
gint streamversion = -1;
}
/*** audio/x-ac3 ***/
-/* This should be audio/ac3, but isn't for backwards compatibility */
+/* FIXME 0.11: should be audio/ac3, but isn't for backwards compatibility */
static GstStaticCaps ac3_caps = GST_STATIC_CAPS ("audio/x-ac3");
#define AC3_CAPS (gst_static_caps_get(&ac3_caps))
+static GstStaticCaps eac3_caps = GST_STATIC_CAPS ("audio/x-eac3");
+
+#define EAC3_CAPS (gst_static_caps_get(&eac3_caps))
+
struct ac3_frmsize
{
unsigned short bit_rate;
{640, {1280, 1394, 1920}}
};
-
static void
ac3_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 5);
- gint offset = 0;
+ DataScanCtx c = { 0, NULL, 0 };
- /* Search for an ac3 frame; not neccesarily right at the start, but give it
+ /* Search for an ac3 frame; not necessarily right at the start, but give it
* a lower probability if not found right at the start. Check that the
* frame is followed by a second frame at the expected offset.
* We could also check the two ac3 CRCs, but we don't do that right now */
- while (data && offset < 1024) {
- if (data[0] == 0x0b && data[1] == 0x77) {
- guint fscod = (data[4] >> 6) & 0x03;
- guint frmsizecod = data[4] & 0x3f;
+ while (c.offset < 1024) {
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 5)))
+ break;
+
+ if (c.data[0] == 0x0b && c.data[1] == 0x77) {
+ guint bsid = c.data[5] >> 3;
+
+ if (bsid <= 8) {
+ /* ac3 */
+ guint fscod = c.data[4] >> 6;
+ guint frmsizecod = c.data[4] & 0x3f;
+
+ if (fscod < 3 && frmsizecod < 38) {
+ DataScanCtx c_next = c;
+ guint frame_size;
+
+ frame_size = ac3_frmsizecod_tbl[frmsizecod].frm_size[fscod];
+ GST_LOG ("possible AC3 frame sync at offset %"
+ G_GUINT64_FORMAT ", size=%u", c.offset, frame_size);
+ if (data_scan_ctx_ensure_data (tf, &c_next, (frame_size * 2) + 5)) {
+ data_scan_ctx_advance (tf, &c_next, frame_size * 2);
+
+ if (c_next.data[0] == 0x0b && c_next.data[1] == 0x77) {
+ fscod = c_next.data[4] >> 6;
+ frmsizecod = c_next.data[4] & 0x3f;
+
+ if (fscod < 3 && frmsizecod < 38) {
+ GstTypeFindProbability prob;
+
+ GST_LOG ("found second AC3 frame (size=%u), looks good",
+ ac3_frmsizecod_tbl[frmsizecod].frm_size[fscod]);
+ if (c.offset == 0)
+ prob = GST_TYPE_FIND_MAXIMUM;
+ else
+ prob = GST_TYPE_FIND_NEARLY_CERTAIN;
+
+ gst_type_find_suggest (tf, prob, AC3_CAPS);
+ return;
+ }
+ } else {
+ GST_LOG ("no second AC3 frame found, false sync");
+ }
+ }
+ }
+ } else if (bsid <= 16 && bsid > 10) {
+ /* eac3 */
+ DataScanCtx c_next = c;
+ guint frame_size;
+
+ frame_size = (((c.data[2] & 0x07) << 8) + c.data[3]) + 1;
+ GST_LOG ("possible E-AC3 frame sync at offset %"
+ G_GUINT64_FORMAT ", size=%u", c.offset, frame_size);
+ if (data_scan_ctx_ensure_data (tf, &c_next, (frame_size * 2) + 5)) {
+ data_scan_ctx_advance (tf, &c_next, frame_size * 2);
+
+ if (c_next.data[0] == 0x0b && c_next.data[1] == 0x77) {
+ GstTypeFindProbability prob;
+
+ GST_LOG ("found second E-AC3 frame, looks good");
+ if (c.offset == 0)
+ prob = GST_TYPE_FIND_MAXIMUM;
+ else
+ prob = GST_TYPE_FIND_NEARLY_CERTAIN;
+
+ gst_type_find_suggest (tf, prob, EAC3_CAPS);
+ return;
+ } else {
+ GST_LOG ("no second E-AC3 frame found, false sync");
+ }
+ }
+ } else {
+ GST_LOG ("invalid AC3 BSID: %u", bsid);
+ }
+ }
+ data_scan_ctx_advance (tf, &c, 1);
+ }
+}
+
+/*** audio/x-dts ***/
+static GstStaticCaps dts_caps = GST_STATIC_CAPS ("audio/x-dts");
+#define DTS_CAPS (gst_static_caps_get (&dts_caps))
+#define DTS_MIN_FRAMESIZE 96
+#define DTS_MAX_FRAMESIZE 18725 /* 16384*16/14 */
- if (fscod < 3 && frmsizecod < 38) {
- guint frame_size = ac3_frmsizecod_tbl[frmsizecod].frm_size[fscod];
+static gboolean
+dts_parse_frame_header (DataScanCtx * c, guint * frame_size,
+ guint * sample_rate, guint * channels, guint * depth, guint * endianness)
+{
+ static const int sample_rates[16] = { 0, 8000, 16000, 32000, 0, 0, 11025,
+ 22050, 44100, 0, 0, 12000, 24000, 48000, 96000, 192000
+ };
+ static const guint8 channels_table[16] = { 1, 2, 2, 2, 2, 3, 3, 4, 4, 5,
+ 6, 6, 6, 7, 8, 8
+ };
+ guint16 hdr[8];
+ guint32 marker;
+ guint num_blocks, chans, lfe, i;
+
+ marker = GST_READ_UINT32_BE (c->data);
+
+ /* raw big endian or 14-bit big endian */
+ if (marker == 0x7FFE8001 || marker == 0x1FFFE800) {
+ *endianness = G_BIG_ENDIAN;
+ for (i = 0; i < G_N_ELEMENTS (hdr); ++i)
+ hdr[i] = GST_READ_UINT16_BE (c->data + (i * sizeof (guint16)));
+ } else
+ /* raw little endian or 14-bit little endian */
+ if (marker == 0xFE7F0180 || marker == 0xFF1F00E8) {
+ *endianness = G_LITTLE_ENDIAN;
+ for (i = 0; i < G_N_ELEMENTS (hdr); ++i)
+ hdr[i] = GST_READ_UINT16_LE (c->data + (i * sizeof (guint16)));
+ } else {
+ return FALSE;
+ }
+
+ GST_LOG ("dts sync marker 0x%08x at offset %u", marker, (guint) c->offset);
- data = gst_type_find_peek (tf, offset + frame_size * 2, 5);
+ /* 14-bit mode */
+ if (marker == 0x1FFFE800 || marker == 0xFF1F00E8) {
+ if ((hdr[2] & 0xFFF0) != 0x07F0)
+ return FALSE;
+ /* discard top 2 bits (2 void), shift in 2 */
+ hdr[0] = (hdr[0] << 2) | ((hdr[1] >> 12) & 0x0003);
+ /* discard top 4 bits (2 void, 2 shifted into hdr[0]), shift in 4 etc. */
+ hdr[1] = (hdr[1] << 4) | ((hdr[2] >> 10) & 0x000F);
+ hdr[2] = (hdr[2] << 6) | ((hdr[3] >> 8) & 0x003F);
+ hdr[3] = (hdr[3] << 8) | ((hdr[4] >> 6) & 0x00FF);
+ hdr[4] = (hdr[4] << 10) | ((hdr[5] >> 4) & 0x03FF);
+ hdr[5] = (hdr[5] << 12) | ((hdr[6] >> 2) & 0x0FFF);
+ hdr[6] = (hdr[6] << 14) | ((hdr[7] >> 0) & 0x3FFF);
+ g_assert (hdr[0] == 0x7FFE && hdr[1] == 0x8001);
+ *depth = 14;
+ } else {
+ *depth = 16;
+ }
- if (data) {
- if (data[0] == 0x0b && data[1] == 0x77) {
- guint fscod2 = (data[4] >> 6) & 0x03;
- guint frmsizecod2 = data[4] & 0x3f;
+ GST_LOG ("frame header: %04x%04x%04x%04x", hdr[2], hdr[3], hdr[4], hdr[5]);
- if (fscod == fscod2 && frmsizecod == frmsizecod2) {
- int prob;
+ num_blocks = (hdr[2] >> 2) & 0x7F;
+ *frame_size = (((hdr[2] & 0x03) << 12) | (hdr[3] >> 4)) + 1;
+ chans = ((hdr[3] & 0x0F) << 2) | (hdr[4] >> 14);
+ *sample_rate = sample_rates[(hdr[4] >> 10) & 0x0F];
+ lfe = (hdr[5] >> 9) & 0x03;
- if (offset == 0)
- prob = GST_TYPE_FIND_MAXIMUM;
- else
- prob = GST_TYPE_FIND_NEARLY_CERTAIN;
- gst_type_find_suggest (tf, prob, AC3_CAPS);
- }
- }
- }
+ if (num_blocks < 5 || *frame_size < 96 || *sample_rate == 0)
+ return FALSE;
+
+ if (marker == 0x1FFFE800 || marker == 0xFF1F00E8)
+ *frame_size = (*frame_size * 16) / 14; /* FIXME: round up? */
+
+ if (chans < G_N_ELEMENTS (channels_table))
+ *channels = channels_table[chans] + ((lfe) ? 1 : 0);
+ else
+ *channels = 0;
+
+ return TRUE;
+}
+
+static void
+dts_type_find (GstTypeFind * tf, gpointer unused)
+{
+ DataScanCtx c = { 0, NULL, 0 };
+
+ /* Search for an dts frame; not necessarily right at the start, but give it
+ * a lower probability if not found right at the start. Check that the
+ * frame is followed by a second frame at the expected offset. */
+ while (c.offset <= DTS_MAX_FRAMESIZE) {
+ guint frame_size = 0, rate = 0, chans = 0, depth = 0, endianness = 0;
+
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, DTS_MIN_FRAMESIZE)))
+ return;
+
+ if (G_UNLIKELY (dts_parse_frame_header (&c, &frame_size, &rate, &chans,
+ &depth, &endianness))) {
+ GstTypeFindProbability prob;
+ DataScanCtx next_c;
+
+ prob = (c.offset == 0) ? GST_TYPE_FIND_LIKELY : GST_TYPE_FIND_POSSIBLE;
+
+ /* check for second frame sync */
+ next_c = c;
+ data_scan_ctx_advance (tf, &next_c, frame_size);
+ if (data_scan_ctx_ensure_data (tf, &next_c, 4)) {
+ GST_LOG ("frame size: %u 0x%04x", frame_size, frame_size);
+ GST_MEMDUMP ("second frame sync", next_c.data, 4);
+ if (GST_READ_UINT32_BE (c.data) == GST_READ_UINT32_BE (next_c.data))
+ prob = GST_TYPE_FIND_MAXIMUM;
+ }
+
+ if (chans > 0) {
+ gst_type_find_suggest_simple (tf, prob, "audio/x-dts",
+ "rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, chans,
+ "depth", G_TYPE_INT, depth, "endianness", G_TYPE_INT, endianness,
+ "framed", G_TYPE_BOOLEAN, FALSE, NULL);
+ } else {
+ gst_type_find_suggest_simple (tf, prob, "audio/x-dts",
+ "rate", G_TYPE_INT, rate, "depth", G_TYPE_INT, depth,
+ "endianness", G_TYPE_INT, endianness,
+ "framed", G_TYPE_BOOLEAN, FALSE, NULL);
}
+
+ return;
}
- offset++;
- data = gst_type_find_peek (tf, offset, 5);
+
+ data_scan_ctx_advance (tf, &c, 1);
}
}
static void
wavpack_type_find (GstTypeFind * tf, gpointer unused)
{
+ GstTypeFindProbability base_prob = GST_TYPE_FIND_POSSIBLE;
guint64 offset;
guint32 blocksize;
- guint8 *data;
+ const guint8 *data;
+ guint count_wv, count_wvc;
data = gst_type_find_peek (tf, 0, 32);
if (!data)
* work in pull-mode */
blocksize = GST_READ_UINT32_LE (data + 4);
GST_LOG ("wavpack header, blocksize=0x%04x", blocksize);
+ count_wv = 0;
+ count_wvc = 0;
offset = 32;
- while (offset < 32 + blocksize) {
+ while (offset < 8 + blocksize) {
guint32 sublen;
/* get chunk header */
} else {
sublen += 1 + 1; /* id + length */
}
- if (sublen > blocksize - offset + 32) {
+ if (offset + sublen > 8 + blocksize) {
GST_LOG ("chunk length too big (%u > %" G_GUINT64_FORMAT ")", sublen,
blocksize - offset);
break;
switch (data[0] & 0x0f) {
case 0xa: /* ID_WV_BITSTREAM */
case 0xc: /* ID_WVX_BITSTREAM */
- gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, WAVPACK_CAPS);
- return;
+ ++count_wv;
+ break;
case 0xb: /* ID_WVC_BITSTREAM */
- gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY,
- WAVPACK_CORRECTION_CAPS);
- return;
+ ++count_wvc;
+ break;
default:
break;
}
+ if (count_wv >= 5 || count_wvc >= 5)
+ break;
}
offset += sublen;
}
+
+ /* check for second block header */
+ data = gst_type_find_peek (tf, 8 + blocksize, 4);
+ if (data != NULL && memcmp (data, "wvpk", 4) == 0) {
+ GST_DEBUG ("found second block sync");
+ base_prob = GST_TYPE_FIND_LIKELY;
+ }
+
+ GST_DEBUG ("wvc=%d, wv=%d", count_wvc, count_wv);
+
+ if (count_wvc > 0 && count_wvc > count_wv) {
+ gst_type_find_suggest (tf,
+ MIN (base_prob + 5 * count_wvc, GST_TYPE_FIND_NEARLY_CERTAIN),
+ WAVPACK_CORRECTION_CAPS);
+ } else if (count_wv > 0) {
+ gst_type_find_suggest (tf,
+ MIN (base_prob + 5 * count_wv, GST_TYPE_FIND_NEARLY_CERTAIN),
+ WAVPACK_CAPS);
+ }
}
/*** application/postscrip ***/
static void
postscript_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 3);
+ const guint8 *data = gst_type_find_peek (tf, 0, 3);
if (!data)
return;
static void
multipart_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data;
- guint8 *x;
+ const guint8 *data;
+ const guint8 *x;
#define MULTIPART_MAX_BOUNDARY_OFFSET 16
data = gst_type_find_peek (tf, 0, MULTIPART_MAX_BOUNDARY_OFFSET);
}
static gboolean
-mpeg_sys_is_valid_pes (GstTypeFind * tf, guint8 * data, guint len,
+mpeg_sys_is_valid_pes (GstTypeFind * tf, const guint8 * data, guint len,
guint * pack_size)
{
guint pes_packet_len;
}
static gboolean
-mpeg_sys_is_valid_sys (GstTypeFind * tf, guint8 * data, guint len,
+mpeg_sys_is_valid_sys (GstTypeFind * tf, const guint8 * data, guint len,
guint * pack_size)
{
guint sys_hdr_len;
static void
mpeg_sys_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data, *data0, *first_sync, *end;
+ const guint8 *data, *data0, *first_sync, *end;
gint mpegversion = 0;
guint pack_headers = 0;
guint pes_headers = 0;
}
};
-/** video/mpegts Transport Stream **/
+/*** video/mpegts Transport Stream ***/
static GstStaticCaps mpegts_caps = GST_STATIC_CAPS ("video/mpegts, "
"systemstream = (boolean) true, packetsize = (int) [ 188, 208 ]");
#define MPEGTS_CAPS gst_static_caps_get(&mpegts_caps)
(GST_MPEGTS_TYPEFIND_MIN_HEADERS * GST_MPEGTS_MAX_PACKET_SIZE)
#define GST_MPEGTS_TYPEFIND_MAX_SYNC \
(GST_MPEGTS_TYPEFIND_MAX_HEADERS * GST_MPEGTS_MAX_PACKET_SIZE)
+#define GST_MPEGTS_TYPEFIND_SCAN_LENGTH \
+ (GST_MPEGTS_TYPEFIND_MAX_SYNC * 4)
#define MPEGTS_HDR_SIZE 4
/* Check for sync byte, error_indicator == 0 and packet has payload */
#define IS_MPEGTS_HEADER(data) (((data)[0] == 0x47) && \
(((data)[1] & 0x80) == 0x00) && \
- (((data)[3] & 0x10) == 0x10))
+ (((data)[3] & 0x30) != 0x00))
/* Helper function to search ahead at intervals of packet_size for mpegts
* headers */
{
/* We always enter this function having found at least one header already */
gint found = 1;
- guint8 *data = NULL;
+ const guint8 *data = NULL;
+ GST_LOG ("looking for mpeg-ts packets of size %u", packet_size);
while (found < GST_MPEGTS_TYPEFIND_MAX_HEADERS) {
offset += packet_size;
return found;
found++;
+ GST_LOG ("mpeg-ts sync #%2d at offset %" G_GUINT64_FORMAT, found, offset);
}
return found;
/* TS packet sizes to test: normal, DVHS packet size and
* FEC with 16 or 20 byte codes packet size. */
const gint pack_sizes[] = { 188, 192, 204, 208 };
- const gint n_pack_sizes = sizeof (pack_sizes) / sizeof (gint);
-
- guint8 *data = NULL;
+ const guint8 *data = NULL;
guint size = 0;
guint64 skipped = 0;
- while (skipped < GST_MPEGTS_TYPEFIND_MAX_SYNC) {
+ while (skipped < GST_MPEGTS_TYPEFIND_SCAN_LENGTH) {
if (size < MPEGTS_HDR_SIZE) {
data = gst_type_find_peek (tf, skipped, GST_MPEGTS_TYPEFIND_SYNC_SIZE);
if (!data)
if (IS_MPEGTS_HEADER (data)) {
gint p;
- for (p = 0; p < n_pack_sizes; p++) {
+ GST_LOG ("possible mpeg-ts sync at offset %" G_GUINT64_FORMAT, skipped);
+
+ for (p = 0; p < G_N_ELEMENTS (pack_sizes); p++) {
gint found;
/* Probe ahead at size pack_sizes[p] */
#define GST_MPEGVID_TYPEFIND_TRY_PICTURES 6
#define GST_MPEGVID_TYPEFIND_TRY_SYNC (100 * 1024) /* 100 kB */
-/**
- * Scan ahead a maximum of max_extra_offset bytes until the next IS_MPEG_HEADER
+/* Scan ahead a maximum of max_extra_offset bytes until the next IS_MPEG_HEADER
* offset. After the call, offset will be after the 0x000001, i.e. at the 4th
* byte of the MPEG header. Returns TRUE if a header was found, FALSE if not.
*/
/*** video/mpeg MPEG-4 elementary video stream ***/
static GstStaticCaps mpeg4_video_caps = GST_STATIC_CAPS ("video/mpeg, "
- "systemstream = (boolean) false, mpegversion = 4");
+ "systemstream=(boolean)false, mpegversion=4, parsed=(boolean)false");
#define MPEG4_VIDEO_CAPS gst_static_caps_get(&mpeg4_video_caps)
/*
}
}
+/*** video/x-h263 H263 video stream ***/
+static GstStaticCaps h263_video_caps = GST_STATIC_CAPS ("video/x-h263");
+
+#define H263_VIDEO_CAPS gst_static_caps_get(&h263_video_caps)
+
+#define H263_MAX_PROBE_LENGTH (128 * 1024)
+
+static void
+h263_video_type_find (GstTypeFind * tf, gpointer unused)
+{
+ DataScanCtx c = { 0, NULL, 0 };
+ guint64 data = 0;
+ guint64 psc = 0;
+ guint8 tr = 0;
+ guint format;
+ guint good = 0;
+ guint bad = 0;
+
+ while (c.offset < H263_MAX_PROBE_LENGTH) {
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 4)))
+ break;
+
+ /* Find the picture start code */
+ data = (data << 8) + c.data[0];
+ psc = data & G_GUINT64_CONSTANT (0xfffffc0000);
+ if (psc == 0x800000) {
+ /* Found PSC */
+ /* TR */
+ tr = (data & 0x3fc) >> 2;
+ /* Source Format */
+ format = tr & 0x07;
+
+ /* Now that we have a Valid PSC, check if we also have a valid PTYPE and
+ the Source Format, which should range between 1 and 5 */
+ if (((tr >> 6) == 0x2) && (format > 0 && format < 6))
+ good++;
+ else
+ bad++;
+
+ /* FIXME: maybe bail out early if we get mostly bad syncs ? */
+ }
+
+ data_scan_ctx_advance (tf, &c, 1);
+ }
+
+ if (good > 0 && bad == 0)
+ gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, H263_VIDEO_CAPS);
+ else if (good > 2 * bad)
+ gst_type_find_suggest (tf, GST_TYPE_FIND_POSSIBLE, H263_VIDEO_CAPS);
+
+ return;
+}
+
/*** video/x-h264 H264 elementary video stream ***/
-static GstStaticCaps h264_video_caps = GST_STATIC_CAPS ("video/x-h264");
+static GstStaticCaps h264_video_caps =
+GST_STATIC_CAPS ("video/x-h264,stream-format=byte-stream");
#define H264_VIDEO_CAPS gst_static_caps_get(&h264_video_caps)
/* Stream consists of: a series of sync codes (00 00 00 01) followed
* by NALs
*/
- int stat_slice = 0;
- int stat_dpa = 0;
- int stat_dpb = 0;
- int stat_dpc = 0;
- int stat_idr = 0;
- int stat_sps = 0;
- int stat_pps = 0;
+ gboolean seen_idr = FALSE;
+ gboolean seen_sps = FALSE;
+ gboolean seen_pps = FALSE;
int nut, ref;
+ int good = 0;
+ int bad = 0;
while (c.offset < H264_MAX_PROBE_LENGTH) {
if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 4)))
nut = c.data[3] & 0x9f; /* forbiden_zero_bit | nal_unit_type */
ref = c.data[3] & 0x60; /* nal_ref_idc */
- /* if forbiden bit is different to 0 won't be h264 */
- if (nut > 0x1f)
+ /* if forbidden bit is different to 0 won't be h264 */
+ if (nut > 0x1f) {
+ bad++;
break;
+ }
/* collect statistics about the NAL types */
- if (nut == 1)
- stat_slice++;
- else if (nut == 2)
- stat_dpa++;
- else if (nut == 3)
- stat_dpb++;
- else if (nut == 4)
- stat_dpc++;
- else if ((nut == 5) && (ref != 0))
- stat_idr++;
- else if ((nut == 7) && (ref != 0))
- stat_sps++;
- else if ((nut == 8) && (ref != 0))
- stat_pps++;
-
- if ((stat_slice > 4 || (stat_dpa > 4 && stat_dpb > 4 && stat_dpc > 4)) &&
- stat_idr >= 1 && stat_sps >= 1 && stat_pps >= 1) {
+ if ((nut >= 1 && nut <= 13) || nut == 19) {
+ if ((nut == 5 && ref == 0) ||
+ ((nut == 6 || (nut >= 9 && nut <= 12)) && ref != 0)) {
+ bad++;
+ } else {
+ if (nut == 7)
+ seen_sps = TRUE;
+ else if (nut == 8)
+ seen_pps = TRUE;
+ else if (nut == 5)
+ seen_idr = TRUE;
+
+ good++;
+ }
+ } else if (nut >= 14 && nut <= 33) {
+ /* reserved */
+ /* Theoretically these are good, since if they exist in the
+ stream it merely means that a newer backwards-compatible
+ h.264 stream. But we should be identifying that separately. */
+ bad++;
+ } else {
+ /* unspecified, application specific */
+ /* don't consider these bad */
+ }
+
+ GST_LOG ("good:%d, bad:%d, pps:%d, sps:%d, idr:%d", good, bad, seen_pps,
+ seen_sps, seen_idr);
+
+ if (seen_sps && seen_pps && seen_idr && good >= 10 && bad < 4) {
gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, H264_VIDEO_CAPS);
return;
}
}
data_scan_ctx_advance (tf, &c, 1);
}
+
+ GST_LOG ("good:%d, bad:%d, pps:%d, sps:%d, idr:%d", good, bad, seen_pps,
+ seen_sps, seen_idr);
+
+ if (good >= 2 && bad == 0) {
+ gst_type_find_suggest (tf, GST_TYPE_FIND_POSSIBLE, H264_VIDEO_CAPS);
+ }
}
/*** video/mpeg video stream ***/
gst_type_find_suggest_simple (tf, probability, "video/mpeg",
"systemstream", G_TYPE_BOOLEAN, FALSE,
- "mpegversion", G_TYPE_INT, 1, NULL);
+ "mpegversion", G_TYPE_INT, 1, "parsed", G_TYPE_BOOLEAN, FALSE, NULL);
}
}
static void
aiff_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
if (data && memcmp (data, "FORM", 4) == 0) {
data += 8;
static void
svx_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
if (data && memcmp (data, "FORM", 4) == 0) {
data += 8;
static void
shn_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
if (data && memcmp (data, "ajkg", 4) == 0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, SHN_CAPS);
static void
ape_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
if (data && memcmp (data, "MAC ", 4) == 0) {
gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY + 10, APE_CAPS);
static void
m4a_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 4, 8);
+ const guint8 *data = gst_type_find_peek (tf, 4, 8);
- if (data &&
- (memcmp (data, "ftypM4A ", 8) == 0 ||
- memcmp (data, "ftypmp42", 8) == 0)) {
+ if (data && (memcmp (data, "ftypM4A ", 8) == 0)) {
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, M4A_CAPS);
}
}
/*** application/x-3gp ***/
/* The Q is there because variables can't start with a number. */
-
-
static GstStaticCaps q3gp_caps = GST_STATIC_CAPS ("application/x-3gp");
-
#define Q3GP_CAPS (gst_static_caps_get(&q3gp_caps))
+
+static const gchar *
+q3gp_type_find_get_profile (const guint8 * data)
+{
+ switch (GST_MAKE_FOURCC (data[0], data[1], data[2], 0)) {
+ case GST_MAKE_FOURCC ('3', 'g', 'g', 0):
+ return "general";
+ case GST_MAKE_FOURCC ('3', 'g', 'p', 0):
+ return "basic";
+ case GST_MAKE_FOURCC ('3', 'g', 's', 0):
+ return "streaming-server";
+ case GST_MAKE_FOURCC ('3', 'g', 'r', 0):
+ return "progressive-download";
+ default:
+ break;
+ }
+ return NULL;
+}
+
static void
q3gp_type_find (GstTypeFind * tf, gpointer unused)
{
-
+ const gchar *profile;
guint32 ftyp_size = 0;
gint offset = 0;
- guint8 *data = NULL;
+ const guint8 *data = NULL;
if ((data = gst_type_find_peek (tf, 0, 12)) == NULL) {
return;
/* check major brand */
data += 4;
- if (memcmp (data, "3gp", 3) == 0 ||
- memcmp (data, "3gr", 3) == 0 ||
- memcmp (data, "3gs", 3) == 0 || memcmp (data, "3gg", 3) == 0) {
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, Q3GP_CAPS);
+ if ((profile = q3gp_type_find_get_profile (data))) {
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_MAXIMUM,
+ "application/x-3gp", "profile", G_TYPE_STRING, profile, NULL);
return;
}
if ((data = gst_type_find_peek (tf, offset, 3)) == NULL) {
break;
}
- if (memcmp (data, "3gp", 3) == 0 ||
- memcmp (data, "3gr", 3) == 0 ||
- memcmp (data, "3gs", 3) == 0 || memcmp (data, "3gg", 3) == 0) {
- gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, Q3GP_CAPS);
- break;
+ if ((profile = q3gp_type_find_get_profile (data))) {
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_MAXIMUM,
+ "application/x-3gp", "profile", G_TYPE_STRING, profile, NULL);
+ return;
}
}
static void
jp2_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data;
+ const guint8 *data;
data = gst_type_find_peek (tf, 0, 24);
if (!data)
#define QT_CAPS gst_static_caps_get(&qt_caps)
#define STRNCMP(x,y,z) (strncmp ((char*)(x), (char*)(y), z))
+/* FIXME 0.11: go through http://www.ftyps.com/ */
static void
qt_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data;
+ const guint8 *data;
guint tip = 0;
guint64 offset = 0;
guint64 size;
+ const gchar *variant = NULL;
- while ((data = gst_type_find_peek (tf, offset, 8)) != NULL) {
+ while ((data = gst_type_find_peek (tf, offset, 12)) != NULL) {
guint64 new_offset;
+ if (STRNCMP (&data[4], "ftypqt ", 8) == 0) {
+ tip = GST_TYPE_FIND_MAXIMUM;
+ break;
+ }
+
+ if (STRNCMP (&data[4], "ftypisom", 8) == 0 ||
+ STRNCMP (&data[4], "ftypavc1", 8) == 0 ||
+ STRNCMP (&data[4], "ftypmp42", 8) == 0) {
+ tip = GST_TYPE_FIND_MAXIMUM;
+ variant = "iso";
+ break;
+ }
+
+ if (STRNCMP (&data[4], "ftypisml", 8) == 0) {
+ tip = GST_TYPE_FIND_MAXIMUM;
+ variant = "iso-fragmented";
+ break;
+ }
+
/* box/atom types that are in common with ISO base media file format */
if (STRNCMP (&data[4], "moov", 4) == 0 ||
STRNCMP (&data[4], "mdat", 4) == 0 ||
tip = 0;
break;
}
+
size = GST_READ_UINT32_BE (data);
+ /* check compatible brands rather than ever expaning major brands above */
+ if ((STRNCMP (&data[4], "ftyp", 4) == 0) && (size >= 16)) {
+ new_offset = offset + 12;
+ while (new_offset + 4 <= offset + size) {
+ data = gst_type_find_peek (tf, new_offset, 4);
+ if (data == NULL)
+ goto done;
+ if (STRNCMP (&data[4], "isom", 4) == 0 ||
+ STRNCMP (&data[4], "avc1", 4) == 0 ||
+ STRNCMP (&data[4], "mp41", 4) == 0 ||
+ STRNCMP (&data[4], "mp42", 4) == 0) {
+ tip = GST_TYPE_FIND_MAXIMUM;
+ variant = "iso";
+ goto done;
+ }
+ new_offset += 4;
+ }
+ }
if (size == 1) {
- guint8 *sizedata;
+ const guint8 *sizedata;
sizedata = gst_type_find_peek (tf, offset + 8, 8);
if (sizedata == NULL)
break;
offset = new_offset;
}
+
+done:
if (tip > 0) {
- gst_type_find_suggest (tf, tip, QT_CAPS);
+ if (variant) {
+ GstCaps *caps = gst_caps_copy (QT_CAPS);
+
+ gst_caps_set_simple (caps, "variant", G_TYPE_STRING, variant, NULL);
+ gst_type_find_suggest (tf, tip, caps);
+ gst_caps_unref (caps);
+ } else {
+ gst_type_find_suggest (tf, tip, QT_CAPS);
+ }
}
};
static void
mod_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data;
+ const guint8 *data;
/* MOD */
if ((data = gst_type_find_peek (tf, 1080, 4)) != NULL) {
}
/* DSM */
if (memcmp (data, "RIFF", 4) == 0) {
- guint8 *data2 = gst_type_find_peek (tf, 8, 4);
+ const guint8 *data2 = gst_type_find_peek (tf, 8, 4);
if (data2) {
if (memcmp (data2, "DSMF", 4) == 0) {
}
/* FAM */
if (memcmp (data, "FAM\xFE", 4) == 0) {
- guint8 *data2 = gst_type_find_peek (tf, 44, 3);
+ const guint8 *data2 = gst_type_find_peek (tf, 44, 3);
if (data2) {
if (memcmp (data2, "compare", 3) == 0) {
}
/* GDM */
if (memcmp (data, "GDM\xFE", 4) == 0) {
- guint8 *data2 = gst_type_find_peek (tf, 71, 4);
+ const guint8 *data2 = gst_type_find_peek (tf, 71, 4);
if (data2) {
if (memcmp (data2, "GMFS", 4) == 0) {
return;
}
}
+ /* STM */
+ if ((data = gst_type_find_peek (tf, 20, 8)) != NULL) {
+ if (g_ascii_strncasecmp ((gchar *) data, "!Scream!", 8) == 0 ||
+ g_ascii_strncasecmp ((gchar *) data, "BMOD2STM", 8) == 0) {
+ const guint8 *id, *stmtype;
+
+ if ((id = gst_type_find_peek (tf, 28, 1)) == NULL)
+ return;
+ if ((stmtype = gst_type_find_peek (tf, 29, 1)) == NULL)
+ return;
+ if (*id == 0x1A && *stmtype == 2)
+ gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MOD_CAPS);
+ return;
+ }
+ }
+ /* AMF */
+ if ((data = gst_type_find_peek (tf, 0, 19)) != NULL) {
+ if (memcmp (data, "ASYLUM Music Format", 19) == 0) {
+ gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MOD_CAPS);
+ return;
+ }
+ }
}
/*** application/x-shockwave-flash ***/
static void
swf_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
if (data && (data[0] == 'F' || data[0] == 'C') &&
data[1] == 'W' && data[2] == 'S') {
/*** image/jpeg ***/
+#define JPEG_MARKER_IS_START_OF_FRAME(x) \
+ ((x)>=0xc0 && (x) <= 0xcf && (x)!=0xc4 && (x)!=0xc8 && (x)!=0xcc)
+
static GstStaticCaps jpeg_caps = GST_STATIC_CAPS ("image/jpeg");
#define JPEG_CAPS (gst_static_caps_get(&jpeg_caps))
static void
jpeg_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 10);
- guint8 header[2] = { 0xFF, 0xD8 };
+ GstTypeFindProbability prob = GST_TYPE_FIND_POSSIBLE;
+ DataScanCtx c = { 0, NULL, 0 };
+ GstCaps *caps;
+ guint num_markers;
+
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 2)))
+ return;
- if (data && memcmp (data, header, 2) == 0) {
- if (memcmp (data + 6, "JFIF", 4) == 0) {
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, JPEG_CAPS);
- } else if (memcmp (data + 6, "Exif", 4) == 0) {
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, JPEG_CAPS);
+ if (c.data[0] != 0xff || c.data[1] != 0xd8)
+ return;
+
+ num_markers = 1;
+ data_scan_ctx_advance (tf, &c, 2);
+
+ caps = gst_caps_copy (JPEG_CAPS);
+
+ while (data_scan_ctx_ensure_data (tf, &c, 4) && c.offset < (200 * 1024)) {
+ guint16 len;
+ guint8 marker;
+
+ if (c.data[0] != 0xff)
+ break;
+
+ marker = c.data[1];
+ if (G_UNLIKELY (marker == 0xff)) {
+ data_scan_ctx_advance (tf, &c, 1);
+ continue;
+ }
+
+ data_scan_ctx_advance (tf, &c, 2);
+
+ /* we assume all markers we'll see before SOF have a payload length; if
+ * that's not the case we'll just detect a false sync and bail out, but
+ * still report POSSIBLE probability */
+ len = GST_READ_UINT16_BE (c.data);
+
+ GST_LOG ("possible JPEG marker 0x%02x (@0x%04x), segment length %u",
+ marker, (guint) c.offset, len);
+
+ if (!data_scan_ctx_ensure_data (tf, &c, len))
+ break;
+
+ if (marker == 0xc4 || /* DEFINE_HUFFMAN_TABLES */
+ marker == 0xcc || /* DEFINE_ARITHMETIC_CONDITIONING */
+ marker == 0xdb || /* DEFINE_QUANTIZATION_TABLES */
+ marker == 0xdd || /* DEFINE_RESTART_INTERVAL */
+ marker == 0xfe) { /* COMMENT */
+ data_scan_ctx_advance (tf, &c, len);
+ ++num_markers;
+ } else if (marker == 0xe0 && len >= (2 + 4) && /* APP0 */
+ data_scan_ctx_memcmp (tf, &c, 2, "JFIF", 4)) {
+ GST_LOG ("found JFIF tag");
+ prob = GST_TYPE_FIND_MAXIMUM;
+ data_scan_ctx_advance (tf, &c, len);
+ ++num_markers;
+ /* we continue until we find a start of frame marker */
+ } else if (marker == 0xe1 && len >= (2 + 4) && /* APP1 */
+ data_scan_ctx_memcmp (tf, &c, 2, "Exif", 4)) {
+ GST_LOG ("found Exif tag");
+ prob = GST_TYPE_FIND_MAXIMUM;
+ data_scan_ctx_advance (tf, &c, len);
+ ++num_markers;
+ /* we continue until we find a start of frame marker */
+ } else if (marker >= 0xe0 && marker <= 0xef) { /* APPn */
+ data_scan_ctx_advance (tf, &c, len);
+ ++num_markers;
+ } else if (JPEG_MARKER_IS_START_OF_FRAME (marker) && len >= (2 + 8)) {
+ int h, w;
+
+ h = GST_READ_UINT16_BE (c.data + 2 + 1);
+ w = GST_READ_UINT16_BE (c.data + 2 + 1 + 2);
+ if (h == 0 || w == 0) {
+ GST_WARNING ("bad width %u and/or height %u in SOF header", w, h);
+ break;
+ }
+
+ GST_LOG ("SOF at offset %" G_GUINT64_FORMAT ", num_markers=%d, "
+ "WxH=%dx%d", c.offset - 2, num_markers, w, h);
+
+ if (num_markers >= 5 || prob == GST_TYPE_FIND_MAXIMUM)
+ prob = GST_TYPE_FIND_MAXIMUM;
+ else
+ prob = GST_TYPE_FIND_LIKELY;
+
+ gst_caps_set_simple (caps, "width", G_TYPE_INT, w,
+ "height", G_TYPE_INT, h, "sof-marker", G_TYPE_INT, marker & 0xf,
+ NULL);
+
+ break;
} else {
- gst_type_find_suggest (tf, GST_TYPE_FIND_POSSIBLE, JPEG_CAPS);
+ GST_WARNING ("bad length or unexpected JPEG marker 0xff 0x%02x", marker);
+ break;
}
}
+
+ gst_type_find_suggest (tf, prob, caps);
+ gst_caps_unref (caps);
}
/*** image/bmp ***/
static void
tiff_type_find (GstTypeFind * tf, gpointer ununsed)
{
- guint8 *data = gst_type_find_peek (tf, 0, 8);
+ const guint8 *data = gst_type_find_peek (tf, 0, 8);
guint8 le_header[4] = { 0x49, 0x49, 0x2A, 0x00 };
guint8 be_header[4] = { 0x4D, 0x4D, 0x00, 0x2A };
}
}
+/*** PNM ***/
+
+static GstStaticCaps pnm_caps = GST_STATIC_CAPS ("image/x-portable-bitmap; "
+ "image/x-portable-graymap; image/x-portable-pixmap; "
+ "image/x-portable-anymap");
+
+#define PNM_CAPS (gst_static_caps_get(&pnm_caps))
+
+#define IS_PNM_WHITESPACE(c) \
+ ((c) == ' ' || (c) == '\r' || (c) == '\n' || (c) == 't')
+
+static void
+pnm_type_find (GstTypeFind * tf, gpointer ununsed)
+{
+ const gchar *media_type = NULL;
+ DataScanCtx c = { 0, NULL, 0 };
+ guint h = 0, w = 0;
+
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 16)))
+ return;
+
+ /* see http://en.wikipedia.org/wiki/Netpbm_format */
+ if (c.data[0] != 'P' || c.data[1] < '1' || c.data[1] > '7' ||
+ !IS_PNM_WHITESPACE (c.data[2]) ||
+ (c.data[3] != '#' && c.data[3] < '0' && c.data[3] > '9'))
+ return;
+
+ switch (c.data[1]) {
+ case '1':
+ media_type = "image/x-portable-bitmap"; /* ASCII */
+ break;
+ case '2':
+ media_type = "image/x-portable-graymap"; /* ASCII */
+ break;
+ case '3':
+ media_type = "image/x-portable-pixmap"; /* ASCII */
+ break;
+ case '4':
+ media_type = "image/x-portable-bitmap"; /* Raw */
+ break;
+ case '5':
+ media_type = "image/x-portable-graymap"; /* Raw */
+ break;
+ case '6':
+ media_type = "image/x-portable-pixmap"; /* Raw */
+ break;
+ case '7':
+ media_type = "image/x-portable-anymap";
+ break;
+ default:
+ g_return_if_reached ();
+ }
+
+ /* try to extract width and height as well */
+ if (c.data[1] != '7') {
+ gchar s[64] = { 0, }
+ , sep1, sep2;
+
+ /* need to skip any comment lines first */
+ data_scan_ctx_advance (tf, &c, 3);
+ while (c.data[0] == '#') { /* we know there's still data left */
+ data_scan_ctx_advance (tf, &c, 1);
+ while (c.data[0] != '\n' && c.data[0] != '\r') {
+ if (!data_scan_ctx_ensure_data (tf, &c, 4))
+ return;
+ data_scan_ctx_advance (tf, &c, 1);
+ }
+ data_scan_ctx_advance (tf, &c, 1);
+ GST_LOG ("skipped comment line in PNM header");
+ }
+
+ if (!data_scan_ctx_ensure_data (tf, &c, 32) &&
+ !data_scan_ctx_ensure_data (tf, &c, 4)) {
+ return;
+ }
+
+ /* need to NUL-terminate data for sscanf */
+ memcpy (s, c.data, MIN (sizeof (s) - 1, c.size));
+ if (sscanf (s, "%u%c%u%c", &w, &sep1, &h, &sep2) == 4 &&
+ IS_PNM_WHITESPACE (sep1) && IS_PNM_WHITESPACE (sep2) &&
+ w > 0 && w < G_MAXINT && h > 0 && h < G_MAXINT) {
+ GST_LOG ("extracted PNM width and height: %dx%d", w, h);
+ } else {
+ w = 0;
+ h = 0;
+ }
+ } else {
+ /* FIXME: extract width + height for anymaps too */
+ }
+
+ if (w > 0 && h > 0) {
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_MAXIMUM, media_type,
+ "width", G_TYPE_INT, w, "height", G_TYPE_INT, h, NULL);
+ } else {
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_LIKELY, media_type, NULL);
+ }
+}
+
static GstStaticCaps sds_caps = GST_STATIC_CAPS ("audio/x-sds");
#define SDS_CAPS (gst_static_caps_get(&sds_caps))
static void
sds_type_find (GstTypeFind * tf, gpointer ununsed)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
guint8 mask[4] = { 0xFF, 0xFF, 0x80, 0xFF };
guint8 match[4] = { 0xF0, 0x7E, 0, 0x01 };
gint x;
static void
ircam_type_find (GstTypeFind * tf, gpointer ununsed)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
guint8 mask[4] = { 0xFF, 0xFF, 0xF8, 0xFF };
guint8 match[4] = { 0x64, 0xA3, 0x00, 0x00 };
gint x;
}
}
+/*** Matroska/WebM ***/
+
+#define EBML_HEADER 0x1A45DFA3
+#define EBML_VERSION 0x4286
+#define EBML_DOCTYPE 0x4282
+#define EBML_DOCTYPE_VERSION 0x4287
+#define MATROSKA_SEGMENT 0x18538067
+#define MATROSKA_CLUSTER 0x1F43B675
+#define MATROSKA_TRACKS 0x1654AE6B
+#define MATROSKA_TRACK_ENTRY 0xAE
+#define MATROSKA_TRACK_TYPE 0x83
+#define MATROSKA_STEREO_MODE 0x53B8
+
+#define EBML_MAX_LEN (2 * 1024 * 1024)
+
+typedef enum
+{
+ EBML_DOCTYPE_UNKNOWN = 0,
+ EBML_DOCTYPE_MATROSKA,
+ EBML_DOCTYPE_WEBM
+} GstEbmlDocType;
+
+typedef struct
+{
+ GstEbmlDocType doctype;
+ guint audio;
+ guint video;
+ guint other;
+ guint video_stereo;
+ guint chunks;
+ guint tracks_ok; /* if we've seen and fully parsed the TRACKS element */
+} GstMatroskaInfo;
+
+static inline guint
+ebml_read_chunk_header (GstTypeFind * tf, DataScanCtx * c, guint max_size,
+ guint32 * id, guint64 * size)
+{
+ guint64 mask;
+ guint msbit_set, i, len, id_len;
+
+ if (c->size < 12 || max_size < 1)
+ return 0;
+
+ /* element ID */
+ *id = c->data[0];
+ if ((c->data[0] & 0x80) == 0x80) {
+ id_len = 1;
+ } else if ((c->data[0] & 0xC0) == 0x40) {
+ id_len = 2;
+ } else if ((c->data[0] & 0xE0) == 0x20) {
+ id_len = 3;
+ } else if ((c->data[0] & 0xF0) == 0x10) {
+ id_len = 4;
+ } else {
+ return 0;
+ }
+
+ if (max_size < id_len)
+ return 0;
+
+ for (i = 1; i < id_len; ++i) {
+ *id = (*id << 8) | c->data[i];
+ }
+
+ data_scan_ctx_advance (tf, c, id_len);
+ max_size -= id_len;
+
+ /* size */
+ if (max_size < 1 || c->data[0] == 0)
+ return 0;
+
+ msbit_set = g_bit_nth_msf (c->data[0], 8);
+ mask = ((1 << msbit_set) - 1);
+ *size = c->data[0] & mask;
+ len = 7 - msbit_set;
+
+ if (max_size < 1 + len)
+ return 0;
+ for (i = 0; i < len; ++i) {
+ mask = (mask << 8) | 0xff;
+ *size = (*size << 8) | c->data[1 + i];
+ }
+
+ data_scan_ctx_advance (tf, c, 1 + len);
+
+ /* undefined/unknown size? (all bits 1) */
+ if (*size == mask) {
+ /* allow unknown size for SEGMENT chunk, bail out otherwise */
+ if (*id == MATROSKA_SEGMENT)
+ *size = G_MAXUINT64;
+ else
+ return 0;
+ }
+
+ return id_len + (1 + len);
+}
+
+static gboolean
+ebml_parse_chunk (GstTypeFind * tf, DataScanCtx * ctx, guint32 chunk_id,
+ guint chunk_size, GstMatroskaInfo * info, guint depth)
+{ /* FIXME: make sure input size is clipped to 32 bit */
+ static const gchar SPACES[] = " ";
+ DataScanCtx c = *ctx;
+ guint64 element_size;
+ guint32 id, hdr_len;
+
+ if (depth >= 8) /* keep SPACES large enough for depth */
+ return FALSE;
+
+ while (chunk_size > 0) {
+ if (c.offset > EBML_MAX_LEN || !data_scan_ctx_ensure_data (tf, &c, 64))
+ return FALSE;
+
+ hdr_len = ebml_read_chunk_header (tf, &c, chunk_size, &id, &element_size);
+ if (hdr_len == 0)
+ return FALSE;
+
+ g_assert (hdr_len <= chunk_size);
+ chunk_size -= hdr_len;
+
+ if (element_size > chunk_size)
+ return FALSE;
+
+ GST_DEBUG ("%s %08x, size %" G_GUINT64_FORMAT " / %" G_GUINT64_FORMAT,
+ SPACES + sizeof (SPACES) - 1 - (2 * depth), id, element_size,
+ hdr_len + element_size);
+
+ if (!data_scan_ctx_ensure_data (tf, &c, element_size)) {
+ GST_DEBUG ("not enough data");
+ return FALSE;
+ }
+
+ switch (id) {
+ case EBML_DOCTYPE:
+ if (element_size >= 8 && memcmp (c.data, "matroska", 8) == 0)
+ info->doctype = EBML_DOCTYPE_MATROSKA;
+ else if (element_size >= 4 && memcmp (c.data, "webm", 4) == 0)
+ info->doctype = EBML_DOCTYPE_WEBM;
+ break;
+ case MATROSKA_SEGMENT:
+ GST_LOG ("parsing segment");
+ ebml_parse_chunk (tf, &c, id, element_size, info, depth + 1);
+ GST_LOG ("parsed segment, done");
+ return FALSE;
+ case MATROSKA_TRACKS:
+ GST_LOG ("parsing tracks");
+ info->tracks_ok =
+ ebml_parse_chunk (tf, &c, id, element_size, info, depth + 1);
+ GST_LOG ("parsed tracks: %s, done (after %" G_GUINT64_FORMAT " bytes)",
+ info->tracks_ok ? "ok" : "FAIL", c.offset + element_size);
+ return FALSE;
+ case MATROSKA_TRACK_ENTRY:
+ GST_LOG ("parsing track entry");
+ if (!ebml_parse_chunk (tf, &c, id, element_size, info, depth + 1))
+ return FALSE;
+ break;
+ case MATROSKA_TRACK_TYPE:{
+ guint type = 0, i;
+
+ /* is supposed to always be 1-byte, but not everyone's following that */
+ for (i = 0; i < element_size; ++i)
+ type = (type << 8) | c.data[i];
+
+ GST_DEBUG ("%s track type %u",
+ SPACES + sizeof (SPACES) - 1 - (2 * depth), type);
+
+ if (type == 1)
+ ++info->video;
+ else if (c.data[0] == 2)
+ ++info->audio;
+ else
+ ++info->other;
+ break;
+ }
+ case MATROSKA_STEREO_MODE:
+ ++info->video_stereo;
+ break;
+ case MATROSKA_CLUSTER:
+ GST_WARNING ("cluster, bailing out (should've found tracks by now)");
+ return FALSE;
+ default:
+ break;
+ }
+ data_scan_ctx_advance (tf, &c, element_size);
+ chunk_size -= element_size;
+ ++info->chunks;
+ }
+
+ return TRUE;
+}
-/*** video/x-matroska ***/
static GstStaticCaps matroska_caps = GST_STATIC_CAPS ("video/x-matroska");
#define MATROSKA_CAPS (gst_static_caps_get(&matroska_caps))
static void
matroska_type_find (GstTypeFind * tf, gpointer ununsed)
{
- /* 4 bytes for EBML ID, 1 byte for header length identifier */
- guint8 *data = gst_type_find_peek (tf, 0, 4 + 1);
- gint len_mask = 0x80, size = 1, n = 1, total;
- guint8 probe_data[] = { 'm', 'a', 't', 'r', 'o', 's', 'k', 'a' };
+ GstTypeFindProbability prob;
+ GstMatroskaInfo info = { 0, };
+ const gchar *type_name;
+ DataScanCtx c = { 0, NULL, 0 };
+ gboolean is_audio;
+ guint64 size;
+ guint32 id, hdr_len;
- if (!data)
+ if (!data_scan_ctx_ensure_data (tf, &c, 64))
return;
- /* ebml header? */
- if (data[0] != 0x1A || data[1] != 0x45 || data[2] != 0xDF || data[3] != 0xA3)
+ if (GST_READ_UINT32_BE (c.data) != EBML_HEADER)
return;
- /* length of header */
- total = data[4];
- while (size <= 8 && !(total & len_mask)) {
- size++;
- len_mask >>= 1;
- }
- if (size > 8)
- return;
- total &= (len_mask - 1);
- while (n < size)
- total = (total << 8) | data[4 + n++];
+ while (c.offset < EBML_MAX_LEN && data_scan_ctx_ensure_data (tf, &c, 64)) {
+ hdr_len = ebml_read_chunk_header (tf, &c, c.size, &id, &size);
+ if (hdr_len == 0)
+ return;
- /* get new data for full header, 4 bytes for EBML ID,
- * EBML length tag and the actual header */
- data = gst_type_find_peek (tf, 0, 4 + size + total);
- if (!data)
- return;
+ GST_INFO ("=== top-level chunk %08x, size %" G_GUINT64_FORMAT
+ " / %" G_GUINT64_FORMAT, id, size, size + hdr_len);
- /* the header must contain the document type 'matroska'. For now,
- * we don't parse the whole header but simply check for the
- * availability of that array of characters inside the header.
- * Not fully fool-proof, but good enough. */
- for (n = 4 + size; n <= 4 + size + total - sizeof (probe_data); n++)
- if (!memcmp (&data[n], probe_data, sizeof (probe_data))) {
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MATROSKA_CAPS);
+ if (!ebml_parse_chunk (tf, &c, id, size, &info, 0))
break;
- }
+ data_scan_ctx_advance (tf, &c, size);
+ GST_INFO ("=== done with chunk %08x", id);
+ if (id == MATROSKA_SEGMENT)
+ break;
+ }
+
+ GST_INFO ("audio=%u video=%u other=%u chunks=%u doctype=%d all_tracks=%d",
+ info.audio, info.video, info.other, info.chunks, info.doctype,
+ info.tracks_ok);
+
+ /* perhaps we should bail out if tracks_ok is FALSE and wait for more data?
+ * (we would need new API to signal this properly and prevent other
+ * typefinders from taking over the decision then) */
+ is_audio = (info.audio > 0 && info.video == 0 && info.other == 0);
+
+ if (info.doctype == EBML_DOCTYPE_WEBM) {
+ type_name = (is_audio) ? "audio/webm" : "video/webm";
+ } else if (info.video > 0 && info.video_stereo) {
+ type_name = "video/x-matroska-3d";
+ } else {
+ type_name = (is_audio) ? "audio/x-matroska" : "video/x-matroska";
+ }
+
+ if (info.doctype == EBML_DOCTYPE_UNKNOWN)
+ prob = GST_TYPE_FIND_LIKELY;
+ else
+ prob = GST_TYPE_FIND_MAXIMUM;
+
+ gst_type_find_suggest_simple (tf, prob, type_name, NULL);
}
/*** application/mxf ***/
DataScanCtx c = { 0, NULL, 0 };
while (c.offset <= MXF_MAX_PROBE_LENGTH) {
- if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 16)))
+ guint i;
+ if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 1024)))
break;
- if (memcmp (c.data, partition_pack_key, 13) == 0) {
- /* Header partition pack? */
- if (c.data[13] != 0x02)
- goto advance;
+ /* look over in chunks of 1kbytes to avoid too much overhead */
- /* Partition status */
- if (c.data[14] >= 0x05)
- goto advance;
+ for (i = 0; i < 1024 - 16; i++) {
+ /* Check first byte before calling more expensive memcmp function */
+ if (G_UNLIKELY (c.data[i] == 0x06
+ && memcmp (c.data + i, partition_pack_key, 13) == 0)) {
+ /* Header partition pack? */
+ if (c.data[i + 13] != 0x02)
+ goto advance;
- /* Reserved, must be 0x00 */
- if (c.data[15] != 0x00)
- goto advance;
+ /* Partition status */
+ if (c.data[i + 14] >= 0x05)
+ goto advance;
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MXF_CAPS);
- return;
+ /* Reserved, must be 0x00 */
+ if (c.data[i + 15] != 0x00)
+ goto advance;
+
+ gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MXF_CAPS);
+ return;
+ }
}
advance:
- data_scan_ctx_advance (tf, &c, 1);
+ data_scan_ctx_advance (tf, &c, 1024 - 16);
}
}
static void
dv_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data;
+ const guint8 *data;
data = gst_type_find_peek (tf, 0, 5);
}
-/*** application/ogg and application/x-annodex ***/
-static GstStaticCaps ogg_caps = GST_STATIC_CAPS ("application/ogg");
-static GstStaticCaps annodex_caps = GST_STATIC_CAPS ("application/x-annodex");
-static GstStaticCaps ogg_annodex_caps =
- GST_STATIC_CAPS ("application/ogg;application/x-annodex");
+/*** Ogg variants ***/
+static GstStaticCaps ogg_caps =
+ GST_STATIC_CAPS ("application/ogg;video/ogg;audio/ogg;application/kate");
-#define OGGANX_CAPS (gst_static_caps_get(&ogg_annodex_caps))
+#define OGG_CAPS (gst_static_caps_get(&ogg_caps))
+
+typedef enum
+{
+ OGG_AUDIO = 0,
+ OGG_VIDEO,
+ OGG_KATE,
+ OGG_OTHER,
+ OGG_SKELETON,
+ OGG_ANNODEX,
+ OGG_NUM
+} GstOggStreamType;
static void
ogganx_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const gchar *media_type;
+ DataScanCtx c = { 0, NULL, 0 };
+ guint ogg_syncs = 0;
+ guint hdr_count[OGG_NUM] = { 0, };
+ static const struct
+ {
+ const gchar marker[10];
+ guint8 marker_size;
+ GstOggStreamType stream_type;
+ } markers[] = {
+ {
+ "\001vorbis", 7, OGG_AUDIO}, {
+ "\200theora", 7, OGG_VIDEO}, {
+ "fLaC", 4, OGG_AUDIO}, {
+ "\177FLAC", 5, OGG_AUDIO}, {
+ "Speex", 5, OGG_AUDIO}, {
+ "CMML\0\0\0\0", 8, OGG_OTHER}, {
+ "PCM ", 8, OGG_AUDIO}, {
+ "Annodex", 7, OGG_ANNODEX}, {
+ "fishead", 7, OGG_SKELETON}, {
+ "AnxData", 7, OGG_ANNODEX}, {
+ "CELT ", 8, OGG_AUDIO}, {
+ "\200kate\0\0\0", 8, OGG_KATE}, {
+ "BBCD\0", 5, OGG_VIDEO}, {
+ "OVP80\1\1", 7, OGG_VIDEO}, {
+ "OpusHead", 8, OGG_AUDIO}, {
+ "\001audio\0\0\0", 9, OGG_AUDIO}, {
+ "\001video\0\0\0", 9, OGG_VIDEO}, {
+ "\001text\0\0\0", 9, OGG_OTHER}
+ };
+
+ while (c.offset < 4096 && data_scan_ctx_ensure_data (tf, &c, 64)) {
+ guint size, i;
+
+ if (memcmp (c.data, "OggS", 5) != 0)
+ break;
+
+ ++ogg_syncs;
+
+ /* check if BOS */
+ if (c.data[5] != 0x02)
+ break;
+
+ /* headers should only have one segment */
+ if (c.data[26] != 1)
+ break;
+
+ size = c.data[27];
+ if (size < 8)
+ break;
+
+ data_scan_ctx_advance (tf, &c, 28);
+
+ if (!data_scan_ctx_ensure_data (tf, &c, MAX (size, 8)))
+ break;
+
+ for (i = 0; i < G_N_ELEMENTS (markers); ++i) {
+ if (memcmp (c.data, markers[i].marker, markers[i].marker_size) == 0) {
+ ++hdr_count[markers[i].stream_type];
+ break;
+ }
+ }
+
+ if (i == G_N_ELEMENTS (markers)) {
+ GST_MEMDUMP ("unknown Ogg stream marker", c.data, size);
+ ++hdr_count[OGG_OTHER];
+ }
- if ((data != NULL) && (memcmp (data, "OggS", 4) == 0)) {
+ data_scan_ctx_advance (tf, &c, size);
+ }
- /* Check for an annodex fishbone header */
- data = gst_type_find_peek (tf, 28, 8);
- if (data && memcmp (data, "fishead\0", 8) == 0)
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM,
- gst_static_caps_get (&annodex_caps));
+ if (ogg_syncs == 0)
+ return;
- gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM,
- gst_static_caps_get (&ogg_caps));
+ /* We don't bother with annodex types. FIXME: what about XSPF? */
+ if (hdr_count[OGG_VIDEO] > 0) {
+ media_type = "video/ogg";
+ } else if (hdr_count[OGG_AUDIO] > 0) {
+ media_type = "audio/ogg";
+ } else if (hdr_count[OGG_KATE] > 0 && hdr_count[OGG_OTHER] == 0) {
+ media_type = "application/kate";
+ } else {
+ media_type = "application/ogg";
}
+
+ GST_INFO ("found %s (audio:%u, video:%u, annodex:%u, skeleton:%u, other:%u)",
+ media_type, hdr_count[OGG_AUDIO], hdr_count[OGG_VIDEO],
+ hdr_count[OGG_ANNODEX], hdr_count[OGG_SKELETON], hdr_count[OGG_OTHER]);
+
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_MAXIMUM, media_type, NULL);
}
/*** audio/x-vorbis ***/
static void
vorbis_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 30);
+ const guint8 *data = gst_type_find_peek (tf, 0, 30);
if (data) {
guint blocksize_0;
static void
theora_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 7); //42);
+ const guint8 *data = gst_type_find_peek (tf, 0, 7); //42);
if (data) {
if (data[0] != 0x80)
static void
kate_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 64);
+ const guint8 *data = gst_type_find_peek (tf, 0, 64);
gchar category[16] = { 0, };
if (G_UNLIKELY (data == NULL))
static void
ogmvideo_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 9);
+ const guint8 *data = gst_type_find_peek (tf, 0, 9);
if (data) {
if (memcmp (data, "\001video\000\000\000", 9) != 0)
static void
ogmaudio_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 9);
+ const guint8 *data = gst_type_find_peek (tf, 0, 9);
if (data) {
if (memcmp (data, "\001audio\000\000\000", 9) != 0)
static void
ogmtext_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 9);
+ const guint8 *data = gst_type_find_peek (tf, 0, 9);
if (data) {
if (memcmp (data, "\001text\000\000\000\000", 9) != 0)
static void
speex_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 80);
+ const guint8 *data = gst_type_find_peek (tf, 0, 80);
if (data) {
/* 8 byte string "Speex "
static void
celt_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 8);
+ const guint8 *data = gst_type_find_peek (tf, 0, 8);
if (data) {
/* 8 byte string "CELT " */
static void
oggskel_type_find (GstTypeFind * tf, gpointer private)
{
- guint8 *data = gst_type_find_peek (tf, 0, 12);
+ const guint8 *data = gst_type_find_peek (tf, 0, 12);
if (data) {
/* 8 byte string "fishead\0" for the ogg skeleton stream */
cmml_type_find (GstTypeFind * tf, gpointer private)
{
/* Header is 12 bytes minimum (though we don't check the minor version */
- guint8 *data = gst_type_find_peek (tf, 0, 12);
+ const guint8 *data = gst_type_find_peek (tf, 0, 12);
if (data) {
static void
tar_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 257, 8);
+ const guint8 *data = gst_type_find_peek (tf, 257, 8);
/* of course we are not certain, but we don't want other typefind funcs
* to detect formats of files within the tar archive, e.g. mp3s */
static void
ar_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 24);
+ const guint8 *data = gst_type_find_peek (tf, 0, 24);
if (data && memcmp (data, "!<arch>", 7) == 0) {
gint i;
static void
au_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
if (data) {
if (memcmp (data, ".snd", 4) == 0 || memcmp (data, "dns.", 4) == 0) {
static void
nuv_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 11);
+ const guint8 *data = gst_type_find_peek (tf, 0, 11);
if (data) {
if (memcmp (data, "MythTVVideo", 11) == 0
static void
paris_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 4);
+ const guint8 *data = gst_type_find_peek (tf, 0, 4);
if (data) {
if (memcmp (data, " paf", 4) == 0 || memcmp (data, "fap ", 4) == 0) {
}
}
+/*** audio/x-sbc ***/
+static GstStaticCaps sbc_caps = GST_STATIC_CAPS ("audio/x-sbc");
+#define SBC_CAPS (gst_static_caps_get(&sbc_caps))
+
+static gsize
+sbc_check_header (const guint8 * data, gsize len, guint * rate,
+ guint * channels)
+{
+ static const guint16 sbc_rates[4] = { 16000, 32000, 44100, 48000 };
+ static const guint8 sbc_blocks[4] = { 4, 8, 12, 16 };
+ guint n_blocks, ch_mode, n_subbands, bitpool;
+
+ if (data[0] != 0x9C || len < 4)
+ return 0;
+
+ n_blocks = sbc_blocks[(data[1] >> 4) & 0x03];
+ ch_mode = (data[1] >> 2) & 0x03;
+ n_subbands = (data[1] & 0x01) ? 8 : 4;
+ bitpool = data[2];
+ if (bitpool < 2)
+ return 0;
+
+ *rate = sbc_rates[(data[1] >> 6) & 0x03];
+ *channels = (ch_mode == 0) ? 1 : 2;
+
+ if (ch_mode == 0)
+ return 4 + (n_subbands * 1) / 2 + (n_blocks * 1 * bitpool) / 8;
+ else if (ch_mode == 1)
+ return 4 + (n_subbands * 2) / 2 + (n_blocks * 2 * bitpool) / 8;
+ else if (ch_mode == 2)
+ return 4 + (n_subbands * 2) / 2 + (n_blocks * bitpool) / 8;
+ else if (ch_mode == 3)
+ return 4 + (n_subbands * 2) / 2 + (n_subbands + n_blocks * bitpool) / 8;
+
+ return 0;
+}
+
+static void
+sbc_type_find (GstTypeFind * tf, gpointer unused)
+{
+ const guint8 *data;
+ gsize frame_len;
+ guint i, rate, channels, offset = 0;
+
+ for (i = 0; i < 10; ++i) {
+ data = gst_type_find_peek (tf, offset, 8);
+ if (data == NULL)
+ return;
+
+ frame_len = sbc_check_header (data, 8, &rate, &channels);
+ if (frame_len == 0)
+ return;
+
+ offset += frame_len;
+ }
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_POSSIBLE, "audio/x-sbc",
+ "rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, channels,
+ "parsed", G_TYPE_BOOLEAN, FALSE, NULL);
+}
+
/*** audio/iLBC-sh ***/
/* NOTE: do not replace this function with two TYPE_FIND_REGISTER_START_WITH */
static GstStaticCaps ilbc_caps = GST_STATIC_CAPS ("audio/iLBC-sh");
static void
ilbc_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 8);
+ const guint8 *data = gst_type_find_peek (tf, 0, 8);
if (data) {
if (memcmp (data, "#!iLBC30", 8) == 0 || memcmp (data, "#!iLBC20", 8) == 0) {
static void
msdos_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 64);
+ const guint8 *data = gst_type_find_peek (tf, 0, 64);
if (data && data[0] == 'M' && data[1] == 'Z' &&
GST_READ_UINT16_LE (data + 8) == 4) {
0xcf, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c
};
- guint8 *data;
+ const guint8 *data;
data = gst_type_find_peek (tf, 0, 2 + 2 + 4 + 2 + 2 + 16);
if (data && data[0] == 0x24 && data[1] == 0x48 &&
static void
dirac_type_find (GstTypeFind * tf, gpointer unused)
{
- guint8 *data = gst_type_find_peek (tf, 0, 8);
+ const guint8 *data = gst_type_find_peek (tf, 0, 8);
if (data) {
if (memcmp (data, "BBCD", 4) == 0 || memcmp (data, "KW-DIRAC", 8) == 0) {
static const guint8 vivo_marker[] = { 'V', 'e', 'r', 's', 'i', 'o', 'n',
':', 'V', 'i', 'v', 'o', '/'
};
- guint8 *data;
+ const guint8 *data;
guint hdr_len, pos;
data = gst_type_find_peek (tf, 0, 1024);
}
}
+/*** XDG MIME typefinder (to avoid false positives mostly) ***/
+
+#ifdef USE_GIO
+static void
+xdgmime_typefind (GstTypeFind * find, gpointer user_data)
+{
+ gchar *mimetype;
+ gsize length = 16384;
+ guint64 tf_length;
+ const guint8 *data;
+ gchar *tmp;
+
+ if ((tf_length = gst_type_find_get_length (find)) > 0)
+ length = MIN (length, tf_length);
+
+ if ((data = gst_type_find_peek (find, 0, length)) == NULL)
+ return;
+
+ tmp = g_content_type_guess (NULL, data, length, NULL);
+ if (tmp == NULL || g_content_type_is_unknown (tmp)) {
+ g_free (tmp);
+ return;
+ }
+
+ mimetype = g_content_type_get_mime_type (tmp);
+ g_free (tmp);
+
+ if (mimetype == NULL)
+ return;
+
+ GST_DEBUG ("Got mimetype '%s'", mimetype);
+
+ /* Ignore audio/video types:
+ * - our own typefinders in -base are likely to be better at this
+ * (and if they're not, we really want to fix them, that's why we don't
+ * report xdg-detected audio/video types at all, not even with a low
+ * probability)
+ * - we want to detect GStreamer media types and not MIME types
+ * - the purpose of this xdg mime finder is mainly to prevent false
+ * positives of non-media formats, not to typefind audio/video formats */
+ if (g_str_has_prefix (mimetype, "audio/") ||
+ g_str_has_prefix (mimetype, "video/")) {
+ GST_LOG ("Ignoring audio/video mime type");
+ g_free (mimetype);
+ return;
+ }
+
+ /* Again, we mainly want the xdg typefinding to prevent false-positives on
+ * non-media formats, so suggest the type with a probability that trumps
+ * uncertain results of our typefinders, but not more than that. */
+ GST_LOG ("Suggesting '%s' with probability POSSIBLE", mimetype);
+ gst_type_find_suggest_simple (find, GST_TYPE_FIND_POSSIBLE, mimetype, NULL);
+ g_free (mimetype);
+}
+#endif /* USE_GIO */
+
+/*** Windows icon typefinder (to avoid false positives mostly) ***/
+
+static void
+windows_icon_typefind (GstTypeFind * find, gpointer user_data)
+{
+ const guint8 *data;
+ gint64 datalen;
+ guint16 type, nimages;
+ gint32 size, offset;
+
+ datalen = gst_type_find_get_length (find);
+ if ((data = gst_type_find_peek (find, 0, 6)) == NULL)
+ return;
+
+ /* header - simple and not enough to rely on it alone */
+ if (GST_READ_UINT16_LE (data) != 0)
+ return;
+ type = GST_READ_UINT16_LE (data + 2);
+ if (type != 1 && type != 2)
+ return;
+ nimages = GST_READ_UINT16_LE (data + 4);
+ if (nimages == 0) /* we can assume we can't have an empty image file ? */
+ return;
+
+ /* first image */
+ if (data[6 + 3] != 0)
+ return;
+ if (type == 1) {
+ guint16 planes = GST_READ_UINT16_LE (data + 6 + 4);
+ if (planes > 1)
+ return;
+ }
+ size = GST_READ_UINT32_LE (data + 6 + 8);
+ offset = GST_READ_UINT32_LE (data + 6 + 12);
+ if (offset < 0 || size <= 0 || size >= datalen || offset >= datalen
+ || size + offset > datalen)
+ return;
+
+ gst_type_find_suggest_simple (find, GST_TYPE_FIND_NEARLY_CERTAIN,
+ "image/x-icon", NULL);
+}
+
+/*** WAP WBMP typefinder ***/
+
+static void
+wbmp_typefind (GstTypeFind * find, gpointer user_data)
+{
+ const guint8 *data;
+ gint64 datalen;
+ guint w, h, size;
+
+ /* http://en.wikipedia.org/wiki/Wireless_Application_Protocol_Bitmap_Format */
+ datalen = gst_type_find_get_length (find);
+ if (datalen == 0)
+ return;
+
+ data = gst_type_find_peek (find, 0, 5);
+ if (data == NULL)
+ return;
+
+ /* want 0x00 0x00 at start */
+ if (*data++ != 0 || *data++ != 0)
+ return;
+
+ /* min header size */
+ size = 4;
+
+ /* let's assume max width/height is 65536 */
+ w = *data++;
+ if ((w & 0x80)) {
+ w = (w << 8) | *data++;
+ if ((w & 0x80))
+ return;
+ ++size;
+ data = gst_type_find_peek (find, 4, 2);
+ if (data == NULL)
+ return;
+ }
+ h = *data++;
+ if ((h & 0x80)) {
+ h = (h << 8) | *data++;
+ if ((h & 0x80))
+ return;
+ ++size;
+ }
+
+ if (w == 0 || h == 0)
+ return;
+
+ /* now add bitmap size */
+ size += h * (GST_ROUND_UP_8 (w) / 8);
+
+ if (datalen == size) {
+ gst_type_find_suggest_simple (find, GST_TYPE_FIND_POSSIBLE - 10,
+ "image/vnd.wap.wbmp", NULL);
+ }
+}
+
+/*** DEGAS Atari images (also to avoid false positives, see #625129) ***/
+static void
+degas_type_find (GstTypeFind * tf, gpointer private)
+{
+ /* No magic, but it should have a fixed size and a few invalid values */
+ /* http://www.fileformat.info/format/atari/spec/6ecf9f6eb5be494284a47feb8a214687/view.htm */
+ gint64 len;
+ const guint8 *data;
+ guint16 resolution;
+ int n;
+
+ len = gst_type_find_get_length (tf);
+ if (len < 34) /* smallest header of the lot */
+ return;
+ data = gst_type_find_peek (tf, 0, 4);
+ if (G_UNLIKELY (data == NULL))
+ return;
+ resolution = GST_READ_UINT16_BE (data);
+ if (len == 32034) {
+ /* could be DEGAS */
+ if (resolution <= 2)
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_POSSIBLE + 5,
+ "image/x-degas", NULL);
+ } else if (len == 32066) {
+ /* could be DEGAS Elite */
+ if (resolution <= 2) {
+ data = gst_type_find_peek (tf, len - 16, 8);
+ if (G_UNLIKELY (data == NULL))
+ return;
+ for (n = 0; n < 4; n++) {
+ if (GST_READ_UINT16_BE (data + n * 2) > 2)
+ return;
+ }
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_POSSIBLE + 5,
+ "image/x-degas", NULL);
+ }
+ } else if (len >= 66 && len < 32066) {
+ /* could be compressed DEGAS Elite, but it's compressed and so we can't rely on size,
+ it does have 4 16 bytes values near the end that are 0-2 though. */
+ if ((resolution & 0x8000) && (resolution & 0x7fff) <= 2) {
+ data = gst_type_find_peek (tf, len - 16, 8);
+ if (G_UNLIKELY (data == NULL))
+ return;
+ for (n = 0; n < 4; n++) {
+ if (GST_READ_UINT16_BE (data + n * 2) > 2)
+ return;
+ }
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_POSSIBLE + 5,
+ "image/x-degas", NULL);
+ }
+ }
+}
+
+/*** DVD ISO images (looks like H.264, see #674069) ***/
+static void
+dvdiso_type_find (GstTypeFind * tf, gpointer private)
+{
+ /* 0x8000 bytes of zeros, then "\001CD001" */
+ gint64 len;
+ const guint8 *data;
+
+ len = gst_type_find_get_length (tf);
+ if (len < 0x8006)
+ return;
+ data = gst_type_find_peek (tf, 0, 0x8006);
+ if (G_UNLIKELY (data == NULL))
+ return;
+ for (len = 0; len < 0x8000; len++)
+ if (data[len])
+ return;
+ /* Can the '1' be anything else ? My three samples all have '1'. */
+ if (memcmp (data + 0x8000, "\001CD001", 6))
+ return;
+
+ /* May need more inspection, we may be able to demux some of them */
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_LIKELY,
+ "application/octet-stream", NULL);
+}
+
+/* SSA/ASS subtitles
+ *
+ * http://en.wikipedia.org/wiki/SubStation_Alpha
+ * http://matroska.org/technical/specs/subtitles/ssa.html
+ */
+static void
+ssa_type_find (GstTypeFind * tf, gpointer private)
+{
+ const gchar *start, *end, *ver_str, *media_type = NULL;
+ const guint8 *data;
+ gchar *str, *script_type, *p = NULL;
+ gint64 len;
+
+ data = gst_type_find_peek (tf, 0, 32);
+
+ if (data == NULL)
+ return;
+
+ /* there might be a BOM at the beginning */
+ if (memcmp (data, "[Script Info]", 13) != 0 &&
+ memcmp (data + 2, "[Script Info]", 13) != 0 &&
+ memcmp (data + 3, "[Script Info]", 13) != 0 &&
+ memcmp (data + 4, "[Script Info]", 13) != 0) {
+ return;
+ }
+
+ /* now check if we have SSA or ASS */
+ len = gst_type_find_get_length (tf);
+ if (len > 8192)
+ len = 8192;
+
+ data = gst_type_find_peek (tf, 0, len);
+ if (data == NULL)
+ return;
+
+ /* skip BOM */
+ start = (gchar *) memchr (data, '[', 5);
+ g_assert (start);
+ len -= (start - (gchar *) data);
+
+ /* ignore anything non-UTF8 for now, in future we might at least allow
+ * other UTF variants that are clearly prefixed with the appropriate BOM */
+ if (!g_utf8_validate (start, len, &end) && (len - (end - start)) > 6) {
+ GST_FIXME ("non-UTF8 SSA/ASS file");
+ return;
+ }
+
+ /* something at start, but not a UTF-8 BOM? */
+ if (data[0] != '[' && (data[0] != 0xEF || data[1] != 0xBB || data[2] != 0xBF))
+ return;
+
+ /* ignore any partial UTF-8 characters at the end */
+ len = end - start;
+
+ /* create a NUL-terminated string so it's easier to process it safely */
+ str = g_strndup (start, len - 1);
+ script_type = strstr (str, "ScriptType:");
+ if (script_type != NULL) {
+ gdouble version;
+
+ ver_str = script_type + 11;
+ while (*ver_str == ' ' || *ver_str == 'v' || *ver_str == 'V')
+ ++ver_str;
+ version = g_ascii_strtod (ver_str, &p);
+ if (version == 4.0 && p != NULL && *p == '+')
+ media_type = "application/x-ass";
+ else if (version >= 1.0 && version <= 4.0)
+ media_type = "application/x-ssa";
+ }
+
+ if (media_type == NULL) {
+ if (strstr (str, "[v4+ Styles]") || strstr (str, "[V4+ Styles]"))
+ media_type = "application/x-ass";
+ else if (strstr (str, "[v4 Styles]") || strstr (str, "[V4 Styles]"))
+ media_type = "application/x-ssa";
+ }
+
+ if (media_type != NULL) {
+ gst_type_find_suggest_simple (tf, GST_TYPE_FIND_MAXIMUM,
+ media_type, "parsed", G_TYPE_BOOLEAN, FALSE, NULL);
+ } else {
+ GST_WARNING ("could not detect SSA/ASS variant");
+ }
+
+ g_free (str);
+}
+
/*** generic typefind for streams that have some data at a specific position***/
typedef struct
{
start_with_type_find (GstTypeFind * tf, gpointer private)
{
GstTypeFindData *start_with = (GstTypeFindData *) private;
- guint8 *data;
+ const guint8 *data;
GST_LOG ("trying to find mime type %s with the first %u bytes of data",
gst_structure_get_name (gst_caps_get_structure (start_with->caps, 0)),
sw_data->data = (const guint8 *)_data; \
sw_data->size = _size; \
sw_data->probability = _probability; \
- sw_data->caps = gst_caps_new_simple (name, NULL); \
+ sw_data->caps = gst_caps_new_empty_simple (name); \
if (!gst_type_find_register (plugin, name, rank, start_with_type_find,\
- ext, sw_data->caps, sw_data, \
+ ext, sw_data->caps, sw_data, \
(GDestroyNotify) (sw_data_destroy))) { \
gst_caps_unref (sw_data->caps); \
g_free (sw_data); \
riff_type_find (GstTypeFind * tf, gpointer private)
{
GstTypeFindData *riff_data = (GstTypeFindData *) private;
- guint8 *data = gst_type_find_peek (tf, 0, 12);
+ const guint8 *data = gst_type_find_peek (tf, 0, 12);
- if (data && memcmp (data, "RIFF", 4) == 0) {
+ if (data && (memcmp (data, "RIFF", 4) == 0 || memcmp (data, "AVF0", 4) == 0)) {
data += 8;
if (memcmp (data, riff_data->data, 4) == 0)
gst_type_find_suggest (tf, riff_data->probability, riff_data->caps);
sw_data->data = (gpointer)_data; \
sw_data->size = 4; \
sw_data->probability = GST_TYPE_FIND_MAXIMUM; \
- sw_data->caps = gst_caps_new_simple (name, NULL); \
+ sw_data->caps = gst_caps_new_empty_simple (name); \
if (!gst_type_find_register (plugin, name, rank, riff_type_find, \
ext, sw_data->caps, sw_data, \
(GDestroyNotify) (sw_data_destroy))) { \
{
/* can't initialize this via a struct as caps can't be statically initialized */
- /* note: asx/wax/wmx are XML files, asf doesn't handle them */
- /* FIXME-0.11: these should be const,
- this requires gstreamer/gst/gsttypefind::gst_type_find_register()
- to have define the parameter as const
- */
- static gchar *asf_exts[] = { "asf", "wm", "wma", "wmv", NULL };
- static gchar *au_exts[] = { "au", "snd", NULL };
- static gchar *avi_exts[] = { "avi", NULL };
- static gchar *qcp_exts[] = { "qcp", NULL };
- static gchar *cdxa_exts[] = { "dat", NULL };
- static gchar *flac_exts[] = { "flac", NULL };
- static gchar *flx_exts[] = { "flc", "fli", NULL };
- static gchar *id3_exts[] =
- { "mp3", "mp2", "mp1", "mpga", "ogg", "flac", "tta", NULL };
- static gchar *apetag_exts[] = { "ape", "mpc", "wv", NULL }; /* and mp3 and wav? */
- static gchar *tta_exts[] = { "tta", NULL };
- static gchar *mod_exts[] = { "669", "amf", "dsm", "gdm", "far", "imf",
- "it", "med", "mod", "mtm", "okt", "sam",
- "s3m", "stm", "stx", "ult", "xm", NULL
- };
- static gchar *mp3_exts[] = { "mp3", "mp2", "mp1", "mpga", NULL };
- static gchar *ac3_exts[] = { "ac3", NULL };
- static gchar *gsm_exts[] = { "gsm", NULL };
- static gchar *musepack_exts[] = { "mpc", "mpp", "mp+", NULL };
- static gchar *mpeg_sys_exts[] = { "mpe", "mpeg", "mpg", NULL };
- static gchar *mpeg_video_exts[] = { "mpv", "mpeg", "mpg", NULL };
- static gchar *mpeg_ts_exts[] = { "ts", NULL };
- static gchar *ogg_exts[] = { "anx", "ogg", "ogm", NULL };
- static gchar *qt_exts[] = { "mov", NULL };
- static gchar *qtif_exts[] = { "qif", "qtif", "qti", NULL };
- static gchar *mj2_exts[] = { "mj2", NULL };
- static gchar *jp2_exts[] = { "jp2", NULL };
- static gchar *rm_exts[] = { "ra", "ram", "rm", "rmvb", NULL };
- static gchar *swf_exts[] = { "swf", "swfl", NULL };
- static gchar *utf8_exts[] = { "txt", NULL };
- static gchar *wav_exts[] = { "wav", NULL };
- static gchar *aiff_exts[] = { "aiff", "aif", "aifc", NULL };
- static gchar *svx_exts[] = { "iff", "svx", NULL };
- static gchar *paris_exts[] = { "paf", NULL };
- static gchar *nist_exts[] = { "nist", NULL };
- static gchar *voc_exts[] = { "voc", NULL };
- static gchar *sds_exts[] = { "sds", NULL };
- static gchar *ircam_exts[] = { "sf", NULL };
- static gchar *w64_exts[] = { "w64", NULL };
- static gchar *shn_exts[] = { "shn", NULL };
- static gchar *ape_exts[] = { "ape", NULL };
- static gchar *uri_exts[] = { "ram", NULL };
- static gchar *sdp_exts[] = { "sdp", NULL };
- static gchar *smil_exts[] = { "smil", NULL };
- static gchar *html_exts[] = { "htm", "html", NULL };
- static gchar *xml_exts[] = { "xml", NULL };
- static gchar *jpeg_exts[] = { "jpg", "jpe", "jpeg", NULL };
- static gchar *gif_exts[] = { "gif", NULL };
- static gchar *png_exts[] = { "png", NULL };
- static gchar *bmp_exts[] = { "bmp", NULL };
- static gchar *tiff_exts[] = { "tif", "tiff", NULL };
- static gchar *matroska_exts[] = { "mkv", "mka", NULL };
- static gchar *mve_exts[] = { "mve", NULL };
- static gchar *dv_exts[] = { "dv", "dif", NULL };
- static gchar *amr_exts[] = { "amr", NULL };
- static gchar *ilbc_exts[] = { "ilbc", NULL };
- static gchar *sid_exts[] = { "sid", NULL };
- static gchar *xcf_exts[] = { "xcf", NULL };
- static gchar *mng_exts[] = { "mng", NULL };
- static gchar *jng_exts[] = { "jng", NULL };
- static gchar *xpm_exts[] = { "xpm", NULL };
- static gchar *ras_exts[] = { "ras", NULL };
- static gchar *bz2_exts[] = { "bz2", NULL };
- static gchar *gz_exts[] = { "gz", NULL };
- static gchar *zip_exts[] = { "zip", NULL };
- static gchar *compress_exts[] = { "Z", NULL };
- static gchar *m4a_exts[] = { "m4a", NULL };
- static gchar *q3gp_exts[] = { "3gp", NULL };
- static gchar *aac_exts[] = { "aac", NULL };
- static gchar *spc_exts[] = { "spc", NULL };
- static gchar *wavpack_exts[] = { "wv", "wvp", NULL };
- static gchar *wavpack_correction_exts[] = { "wvc", NULL };
- static gchar *rar_exts[] = { "rar", NULL };
- static gchar *tar_exts[] = { "tar", NULL };
- static gchar *ar_exts[] = { "a", NULL };
- static gchar *msdos_exts[] = { "dll", "exe", "ocx", "sys", "scr",
- "msstyles", "cpl", NULL
- };
- static gchar *flv_exts[] = { "flv", NULL };
- static gchar *m4v_exts[] = { "m4v", NULL };
- static gchar *h264_exts[] = { "h264", "x264", "264", NULL };
- static gchar *nuv_exts[] = { "nuv", NULL };
- static gchar *vivo_exts[] = { "viv", NULL };
- static gchar *nsf_exts[] = { "nsf", NULL };
- static gchar *gym_exts[] = { "gym", NULL };
- static gchar *ay_exts[] = { "ay", NULL };
- static gchar *gbs_exts[] = { "gbs", NULL };
- static gchar *kss_exts[] = { "kss", NULL };
- static gchar *sap_exts[] = { "sap", NULL };
- static gchar *vgm_exts[] = { "vgm", NULL };
- static gchar *mid_exts[] = { "mid", "midi", NULL };
- static gchar *mxmf_exts[] = { "mxmf", NULL };
- static gchar *imelody_exts[] = { "imy", "ime", "imelody", NULL };
- static gchar *pdf_exts[] = { "pdf", NULL };
- static gchar *ps_exts[] = { "ps", NULL };
- static gchar *svg_exts[] = { "svg", NULL };
- static gchar *mxf_exts[] = { "mxf", NULL };
- static gchar *msword_exts[] = { "doc", NULL };
- static gchar *dsstore_exts[] = { "DS_Store", NULL };
- static gchar *psd_exts[] = { "psd", NULL };
-
GST_DEBUG_CATEGORY_INIT (type_find_debug, "typefindfunctions",
GST_DEBUG_FG_GREEN | GST_DEBUG_BG_RED, "generic type find functions");
+ /* note: asx/wax/wmx are XML files, asf doesn't handle them */
/* must use strings, macros don't accept initializers */
TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-ms-asf", GST_RANK_SECONDARY,
- asf_exts,
+ "asf,wm,wma,wmv",
"\060\046\262\165\216\146\317\021\246\331\000\252\000\142\316\154", 16,
GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "audio/x-musepack", GST_RANK_PRIMARY,
- musepack_type_find, musepack_exts, MUSEPACK_CAPS, NULL, NULL);
+ musepack_type_find, "mpc,mpp,mp+", MUSEPACK_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-au", GST_RANK_MARGINAL,
- au_type_find, au_exts, AU_CAPS, NULL, NULL);
+ au_type_find, "au,snd", AU_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_RIFF (plugin, "video/x-msvideo", GST_RANK_PRIMARY,
- avi_exts, "AVI ");
+ "avi", "AVI ");
TYPE_FIND_REGISTER_RIFF (plugin, "audio/qcelp", GST_RANK_PRIMARY,
- qcp_exts, "QLCM");
+ "qcp", "QLCM");
TYPE_FIND_REGISTER_RIFF (plugin, "video/x-cdxa", GST_RANK_PRIMARY,
- cdxa_exts, "CDXA");
+ "dat", "CDXA");
TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-vcd", GST_RANK_PRIMARY,
- cdxa_exts, "\000\377\377\377\377\377\377\377\377\377\377\000", 12,
+ "dat", "\000\377\377\377\377\377\377\377\377\377\377\000", 12,
GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-imelody", GST_RANK_PRIMARY,
- imelody_exts, "BEGIN:IMELODY", 13, GST_TYPE_FIND_MAXIMUM);
+ "imy,ime,imelody", "BEGIN:IMELODY", 13, GST_TYPE_FIND_MAXIMUM);
#if 0
TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-smoke", GST_RANK_PRIMARY,
NULL, "\x80smoke\x00\x01\x00", 6, GST_TYPE_FIND_MAXIMUM);
#endif
TYPE_FIND_REGISTER (plugin, "audio/midi", GST_RANK_PRIMARY, mid_type_find,
- mid_exts, MID_CAPS, NULL, NULL);
+ "mid,midi", MID_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER_RIFF (plugin, "audio/riff-midi", GST_RANK_PRIMARY,
+ "mid,midi", "RMID");
TYPE_FIND_REGISTER (plugin, "audio/mobile-xmf", GST_RANK_PRIMARY,
- mxmf_type_find, mxmf_exts, MXMF_CAPS, NULL, NULL);
+ mxmf_type_find, "mxmf", MXMF_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-fli", GST_RANK_MARGINAL, flx_type_find,
- flx_exts, FLX_CAPS, NULL, NULL);
+ "flc,fli", FLX_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-id3v2", GST_RANK_PRIMARY + 103,
- id3v2_type_find, id3_exts, ID3_CAPS, NULL, NULL);
+ id3v2_type_find, "mp3,mp2,mp1,mpga,ogg,flac,tta", ID3_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-id3v1", GST_RANK_PRIMARY + 101,
- id3v1_type_find, id3_exts, ID3_CAPS, NULL, NULL);
+ id3v1_type_find, "mp3,mp2,mp1,mpga,ogg,flac,tta", ID3_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-apetag", GST_RANK_PRIMARY + 102,
- apetag_type_find, apetag_exts, APETAG_CAPS, NULL, NULL);
+ apetag_type_find, "mp3,ape,mpc,wv", APETAG_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-ttafile", GST_RANK_PRIMARY,
- tta_type_find, tta_exts, TTA_CAPS, NULL, NULL);
+ tta_type_find, "tta", TTA_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-mod", GST_RANK_SECONDARY, mod_type_find,
- mod_exts, MOD_CAPS, NULL, NULL);
+ "669,amf,dsm,gdm,far,imf,it,med,mod,mtm,okt,sam,s3m,stm,stx,ult,xm",
+ MOD_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/mpeg", GST_RANK_PRIMARY, mp3_type_find,
- mp3_exts, MP3_CAPS, NULL, NULL);
+ "mp3,mp2,mp1,mpga", MP3_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-ac3", GST_RANK_PRIMARY, ac3_type_find,
- ac3_exts, AC3_CAPS, NULL, NULL);
- TYPE_FIND_REGISTER (plugin, "audio/x-gsm", GST_RANK_PRIMARY, NULL,
- gsm_exts, GSM_CAPS, NULL, NULL);
+ "ac3,eac3", AC3_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "audio/x-dts", GST_RANK_SECONDARY, dts_type_find,
+ "dts", DTS_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "audio/x-gsm", GST_RANK_PRIMARY, NULL, "gsm",
+ GSM_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/mpeg-sys", GST_RANK_PRIMARY,
- mpeg_sys_type_find, mpeg_sys_exts, MPEG_SYS_CAPS, NULL, NULL);
+ mpeg_sys_type_find, "mpe,mpeg,mpg", MPEG_SYS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/mpegts", GST_RANK_PRIMARY,
- mpeg_ts_type_find, mpeg_ts_exts, MPEGTS_CAPS, NULL, NULL);
+ mpeg_ts_type_find, "ts,mts", MPEGTS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/ogg", GST_RANK_PRIMARY,
- ogganx_type_find, ogg_exts, OGGANX_CAPS, NULL, NULL);
+ ogganx_type_find, "ogg,oga,ogv,ogm,ogx,spx,anx,axa,axv", OGG_CAPS,
+ NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/mpeg-elementary", GST_RANK_MARGINAL,
- mpeg_video_stream_type_find, mpeg_video_exts, MPEG_VIDEO_CAPS, NULL,
- NULL);
+ mpeg_video_stream_type_find, "mpv,mpeg,mpg", MPEG_VIDEO_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/mpeg4", GST_RANK_PRIMARY,
- mpeg4_video_type_find, m4v_exts, MPEG_VIDEO_CAPS, NULL, NULL);
+ mpeg4_video_type_find, "m4v", MPEG_VIDEO_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "video/x-h263", GST_RANK_SECONDARY,
+ h263_video_type_find, "h263,263", H263_VIDEO_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-h264", GST_RANK_PRIMARY,
- h264_video_type_find, h264_exts, MPEG_VIDEO_CAPS, NULL, NULL);
+ h264_video_type_find, "h264,x264,264", H264_VIDEO_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-nuv", GST_RANK_SECONDARY, nuv_type_find,
- nuv_exts, NUV_CAPS, NULL, NULL);
+ "nuv", NUV_CAPS, NULL, NULL);
/* ISO formats */
TYPE_FIND_REGISTER (plugin, "audio/x-m4a", GST_RANK_PRIMARY, m4a_type_find,
- m4a_exts, M4A_CAPS, NULL, NULL);
+ "m4a", M4A_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-3gp", GST_RANK_PRIMARY,
- q3gp_type_find, q3gp_exts, Q3GP_CAPS, NULL, NULL);
+ q3gp_type_find, "3gp", Q3GP_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/quicktime", GST_RANK_SECONDARY,
- qt_type_find, qt_exts, QT_CAPS, NULL, NULL);
+ qt_type_find, "mov", QT_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "image/x-quicktime", GST_RANK_SECONDARY,
- qtif_type_find, qtif_exts, QTIF_CAPS, NULL, NULL);
+ qtif_type_find, "qif,qtif,qti", QTIF_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "image/jp2", GST_RANK_PRIMARY,
- jp2_type_find, jp2_exts, JP2_CAPS, NULL, NULL);
+ jp2_type_find, "jp2", JP2_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/mj2", GST_RANK_PRIMARY,
- jp2_type_find, mj2_exts, MJ2_CAPS, NULL, NULL);
+ jp2_type_find, "mj2", MJ2_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "text/html", GST_RANK_SECONDARY, html_type_find,
- html_exts, HTML_CAPS, NULL, NULL);
+ "htm,html", HTML_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/vnd.rn-realmedia",
- GST_RANK_SECONDARY, rm_exts, ".RMF", 4, GST_TYPE_FIND_MAXIMUM);
+ GST_RANK_SECONDARY, "ra,ram,rm,rmvb", ".RMF", 4, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/x-pn-realaudio",
- GST_RANK_SECONDARY, rm_exts, ".ra\375", 4, GST_TYPE_FIND_MAXIMUM);
+ GST_RANK_SECONDARY, "ra,ram,rm,rmvb", ".ra\375", 4,
+ GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "application/x-shockwave-flash",
- GST_RANK_SECONDARY, swf_type_find, swf_exts, SWF_CAPS, NULL, NULL);
+ GST_RANK_SECONDARY, swf_type_find, "swf,swfl", SWF_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-flv", GST_RANK_SECONDARY,
- flv_exts, "FLV", 3, GST_TYPE_FIND_MAXIMUM);
+ "flv", "FLV", 3, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "text/plain", GST_RANK_MARGINAL, utf8_type_find,
- utf8_exts, UTF8_CAPS, NULL, NULL);
+ "txt", UTF8_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "text/utf-16", GST_RANK_MARGINAL, utf16_type_find,
+ "txt", UTF16_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "text/utf-32", GST_RANK_MARGINAL, utf32_type_find,
+ "txt", UTF32_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "text/uri-list", GST_RANK_MARGINAL, uri_type_find,
- uri_exts, URI_CAPS, NULL, NULL);
+ "ram", URI_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "application/x-hls", GST_RANK_MARGINAL,
+ hls_type_find, "m3u8", HLS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/sdp", GST_RANK_SECONDARY,
- sdp_type_find, sdp_exts, SDP_CAPS, NULL, NULL);
+ sdp_type_find, "sdp", SDP_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/smil", GST_RANK_SECONDARY,
- smil_type_find, smil_exts, SMIL_CAPS, NULL, NULL);
+ smil_type_find, "smil", SMIL_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/xml", GST_RANK_MARGINAL,
- xml_type_find, xml_exts, GENERIC_XML_CAPS, NULL, NULL);
- TYPE_FIND_REGISTER_RIFF (plugin, "audio/x-wav", GST_RANK_PRIMARY, wav_exts,
+ xml_type_find, "xml", GENERIC_XML_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER_RIFF (plugin, "audio/x-wav", GST_RANK_PRIMARY, "wav",
"WAVE");
TYPE_FIND_REGISTER (plugin, "audio/x-aiff", GST_RANK_SECONDARY,
- aiff_type_find, aiff_exts, AIFF_CAPS, NULL, NULL);
+ aiff_type_find, "aiff,aif,aifc", AIFF_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-svx", GST_RANK_SECONDARY, svx_type_find,
- svx_exts, SVX_CAPS, NULL, NULL);
+ "iff,svx", SVX_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-paris", GST_RANK_SECONDARY,
- paris_type_find, paris_exts, PARIS_CAPS, NULL, NULL);
+ paris_type_find, "paf", PARIS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-nist", GST_RANK_SECONDARY,
- nist_exts, "NIST", 4, GST_TYPE_FIND_MAXIMUM);
+ "nist", "NIST", 4, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-voc", GST_RANK_SECONDARY,
- voc_exts, "Creative", 8, GST_TYPE_FIND_MAXIMUM);
+ "voc", "Creative", 8, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "audio/x-sds", GST_RANK_SECONDARY, sds_type_find,
- sds_exts, SDS_CAPS, NULL, NULL);
+ "sds", SDS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-ircam", GST_RANK_SECONDARY,
- ircam_type_find, ircam_exts, IRCAM_CAPS, NULL, NULL);
+ ircam_type_find, "sf", IRCAM_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-w64", GST_RANK_SECONDARY,
- w64_exts, "riff", 4, GST_TYPE_FIND_MAXIMUM);
+ "w64", "riff", 4, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "audio/x-shorten", GST_RANK_SECONDARY,
- shn_type_find, shn_exts, SHN_CAPS, NULL, NULL);
+ shn_type_find, "shn", SHN_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-ape", GST_RANK_SECONDARY,
- ape_type_find, ape_exts, APE_CAPS, NULL, NULL);
+ ape_type_find, "ape", APE_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "image/jpeg", GST_RANK_PRIMARY + 15,
- jpeg_type_find, jpeg_exts, JPEG_CAPS, NULL, NULL);
- TYPE_FIND_REGISTER_START_WITH (plugin, "image/gif", GST_RANK_PRIMARY,
- gif_exts, "GIF8", 4, GST_TYPE_FIND_MAXIMUM);
+ jpeg_type_find, "jpg,jpe,jpeg", JPEG_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "image/gif", GST_RANK_PRIMARY, "gif",
+ "GIF8", 4, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "image/png", GST_RANK_PRIMARY + 14,
- png_exts, "\211PNG\015\012\032\012", 8, GST_TYPE_FIND_MAXIMUM);
+ "png", "\211PNG\015\012\032\012", 8, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "image/bmp", GST_RANK_PRIMARY, bmp_type_find,
- bmp_exts, BMP_CAPS, NULL, NULL);
+ "bmp", BMP_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "image/tiff", GST_RANK_PRIMARY, tiff_type_find,
- tiff_exts, TIFF_CAPS, NULL, NULL);
+ "tif,tiff", TIFF_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "image/x-portable-pixmap", GST_RANK_SECONDARY,
+ pnm_type_find, "pnm,ppm,pgm,pbm", PNM_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-matroska", GST_RANK_PRIMARY,
- matroska_type_find, matroska_exts, MATROSKA_CAPS, NULL, NULL);
+ matroska_type_find, "mkv,mka,mk3d,webm", MATROSKA_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/mxf", GST_RANK_PRIMARY,
- mxf_type_find, mxf_exts, MXF_CAPS, NULL, NULL);
+ mxf_type_find, "mxf", MXF_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-mve", GST_RANK_SECONDARY,
- mve_exts, "Interplay MVE File\032\000\032\000\000\001\063\021", 26,
+ "mve", "Interplay MVE File\032\000\032\000\000\001\063\021", 26,
GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "video/x-dv", GST_RANK_SECONDARY, dv_type_find,
- dv_exts, DV_CAPS, NULL, NULL);
+ "dv,dif", DV_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-amr-nb-sh", GST_RANK_PRIMARY,
- amr_exts, "#!AMR", 5, GST_TYPE_FIND_LIKELY);
+ "amr", "#!AMR", 5, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-amr-wb-sh", GST_RANK_PRIMARY,
- amr_exts, "#!AMR-WB", 7, GST_TYPE_FIND_MAXIMUM);
- TYPE_FIND_REGISTER (plugin, "audio/iLBC-sh", GST_RANK_PRIMARY,
- ilbc_type_find, ilbc_exts, ILBC_CAPS, NULL, NULL);
+ "amr", "#!AMR-WB", 7, GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER (plugin, "audio/iLBC-sh", GST_RANK_PRIMARY, ilbc_type_find,
+ "ilbc", ILBC_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "audio/x-sbc", GST_RANK_MARGINAL, sbc_type_find,
+ "sbc", SBC_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-sid", GST_RANK_MARGINAL,
- sid_exts, "PSID", 4, GST_TYPE_FIND_MAXIMUM);
+ "sid", "PSID", 4, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "image/x-xcf", GST_RANK_SECONDARY,
- xcf_exts, "gimp xcf", 8, GST_TYPE_FIND_MAXIMUM);
+ "xcf", "gimp xcf", 8, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-mng", GST_RANK_SECONDARY,
- mng_exts, "\212MNG\015\012\032\012", 8, GST_TYPE_FIND_MAXIMUM);
+ "mng", "\212MNG\015\012\032\012", 8, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "image/x-jng", GST_RANK_SECONDARY,
- jng_exts, "\213JNG\015\012\032\012", 8, GST_TYPE_FIND_MAXIMUM);
+ "jng", "\213JNG\015\012\032\012", 8, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "image/x-xpixmap", GST_RANK_SECONDARY,
- xpm_exts, "/* XPM */", 9, GST_TYPE_FIND_MAXIMUM);
+ "xpm", "/* XPM */", 9, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "image/x-sun-raster",
- GST_RANK_SECONDARY, ras_exts, "\131\246\152\225", 4,
- GST_TYPE_FIND_MAXIMUM);
+ GST_RANK_SECONDARY, "ras", "\131\246\152\225", 4, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/x-bzip",
- GST_RANK_SECONDARY, bz2_exts, "BZh", 3, GST_TYPE_FIND_LIKELY);
+ GST_RANK_SECONDARY, "bz2", "BZh", 3, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/x-gzip",
- GST_RANK_SECONDARY, gz_exts, "\037\213", 2, GST_TYPE_FIND_LIKELY);
+ GST_RANK_SECONDARY, "gz", "\037\213", 2, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/zip", GST_RANK_SECONDARY,
- zip_exts, "PK\003\004", 4, GST_TYPE_FIND_LIKELY);
+ "zip", "PK\003\004", 4, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/x-compress",
- GST_RANK_SECONDARY, compress_exts, "\037\235", 2, GST_TYPE_FIND_LIKELY);
+ GST_RANK_SECONDARY, "Z", "\037\235", 2, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER (plugin, "subtitle/x-kate", GST_RANK_MARGINAL,
kate_type_find, NULL, NULL, NULL, NULL);
- TYPE_FIND_REGISTER (plugin, "audio/x-flac", GST_RANK_PRIMARY,
- flac_type_find, flac_exts, FLAC_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "audio/x-flac", GST_RANK_PRIMARY, flac_type_find,
+ "flac", FLAC_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-vorbis", GST_RANK_PRIMARY,
vorbis_type_find, NULL, VORBIS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-theora", GST_RANK_PRIMARY,
ogmtext_type_find, NULL, OGMTEXT_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-speex", GST_RANK_PRIMARY,
speex_type_find, NULL, SPEEX_CAPS, NULL, NULL);
- TYPE_FIND_REGISTER (plugin, "audio/x-celt", GST_RANK_PRIMARY,
- celt_type_find, NULL, CELT_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "audio/x-celt", GST_RANK_PRIMARY, celt_type_find,
+ NULL, CELT_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-ogg-skeleton", GST_RANK_PRIMARY,
oggskel_type_find, NULL, OGG_SKELETON_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "text/x-cmml", GST_RANK_PRIMARY, cmml_type_find,
NULL, CMML_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/x-executable",
GST_RANK_MARGINAL, NULL, "\177ELF", 4, GST_TYPE_FIND_MAXIMUM);
- TYPE_FIND_REGISTER (plugin, "adts_mpeg_stream", GST_RANK_SECONDARY,
- aac_type_find, aac_exts, AAC_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "audio/aac", GST_RANK_SECONDARY, aac_type_find,
+ "aac,adts,adif,loas", AAC_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-spc", GST_RANK_SECONDARY,
- spc_exts, "SNES-SPC700 Sound File Data", 27, GST_TYPE_FIND_MAXIMUM);
+ "spc", "SNES-SPC700 Sound File Data", 27, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "audio/x-wavpack", GST_RANK_SECONDARY,
- wavpack_type_find, wavpack_exts, WAVPACK_CAPS, NULL, NULL);
+ wavpack_type_find, "wv,wvp", WAVPACK_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "audio/x-wavpack-correction", GST_RANK_SECONDARY,
- wavpack_type_find, wavpack_correction_exts, WAVPACK_CORRECTION_CAPS, NULL,
- NULL);
+ wavpack_type_find, "wvc", WAVPACK_CORRECTION_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/postscript", GST_RANK_SECONDARY,
- postscript_type_find, ps_exts, POSTSCRIPT_CAPS, NULL, NULL);
+ postscript_type_find, "ps", POSTSCRIPT_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "image/svg+xml", GST_RANK_SECONDARY,
- svg_type_find, svg_exts, SVG_CAPS, NULL, NULL);
+ svg_type_find, "svg", SVG_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/x-rar",
- GST_RANK_SECONDARY, rar_exts, "Rar!", 4, GST_TYPE_FIND_LIKELY);
+ GST_RANK_SECONDARY, "rar", "Rar!", 4, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER (plugin, "application/x-tar", GST_RANK_SECONDARY,
- tar_type_find, tar_exts, TAR_CAPS, NULL, NULL);
+ tar_type_find, "tar", TAR_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-ar", GST_RANK_SECONDARY,
- ar_type_find, ar_exts, AR_CAPS, NULL, NULL);
+ ar_type_find, "a", AR_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-ms-dos-executable",
- GST_RANK_SECONDARY, msdos_type_find, msdos_exts, MSDOS_CAPS, NULL, NULL);
+ GST_RANK_SECONDARY, msdos_type_find, "dll,exe,ocx,sys,scr,msstyles,cpl",
+ MSDOS_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-dirac", GST_RANK_PRIMARY,
dirac_type_find, NULL, DIRAC_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "multipart/x-mixed-replace", GST_RANK_SECONDARY,
multipart_type_find, NULL, MULTIPART_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "application/x-mmsh", GST_RANK_SECONDARY,
mmsh_type_find, NULL, MMSH_CAPS, NULL, NULL);
- TYPE_FIND_REGISTER (plugin, "video/vivo", GST_RANK_SECONDARY,
- vivo_type_find, vivo_exts, VIVO_CAPS, NULL, NULL);
- TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-nsf",
- GST_RANK_SECONDARY, nsf_exts, "NESM\x1a", 5, GST_TYPE_FIND_MAXIMUM);
- TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-gym",
- GST_RANK_SECONDARY, gym_exts, "GYMX", 4, GST_TYPE_FIND_MAXIMUM);
- TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-ay",
- GST_RANK_SECONDARY, ay_exts, "ZXAYEMUL", 8, GST_TYPE_FIND_MAXIMUM);
- TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-gbs",
- GST_RANK_SECONDARY, gbs_exts, "GBS\x01", 4, GST_TYPE_FIND_MAXIMUM);
- TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-vgm",
- GST_RANK_SECONDARY, vgm_exts, "Vgm\x20", 4, GST_TYPE_FIND_MAXIMUM);
- TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-sap",
- GST_RANK_SECONDARY, sap_exts, "SAP\x0d\x0aAUTHOR\x20", 12,
- GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER (plugin, "video/vivo", GST_RANK_SECONDARY, vivo_type_find,
+ "viv", VIVO_CAPS, NULL, NULL);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-nsf", GST_RANK_SECONDARY,
+ "nsf", "NESM\x1a", 5, GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-gym", GST_RANK_SECONDARY,
+ "gym", "GYMX", 4, GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-ay", GST_RANK_SECONDARY, "ay",
+ "ZXAYEMUL", 8, GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-gbs", GST_RANK_SECONDARY,
+ "gbs", "GBS\x01", 4, GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-vgm", GST_RANK_SECONDARY,
+ "vgm", "Vgm\x20", 4, GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-sap", GST_RANK_SECONDARY,
+ "sap", "SAP\x0d\x0a" "AUTHOR\x20", 12, GST_TYPE_FIND_MAXIMUM);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "video/x-ivf", GST_RANK_SECONDARY,
+ "ivf", "DKIF", 4, GST_TYPE_FIND_NEARLY_CERTAIN);
TYPE_FIND_REGISTER_START_WITH (plugin, "audio/x-kss", GST_RANK_SECONDARY,
- kss_exts, "KSSX\0", 5, GST_TYPE_FIND_MAXIMUM);
+ "kss", "KSSX\0", 5, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/pdf", GST_RANK_SECONDARY,
- pdf_exts, "%PDF-", 5, GST_TYPE_FIND_LIKELY);
+ "pdf", "%PDF-", 5, GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER_START_WITH (plugin, "application/msword",
- GST_RANK_SECONDARY, msword_exts, "\320\317\021\340\241\261\032\341", 8,
+ GST_RANK_SECONDARY, "doc", "\320\317\021\340\241\261\032\341", 8,
GST_TYPE_FIND_LIKELY);
/* Mac OS X .DS_Store files tend to be taken for video/mpeg */
TYPE_FIND_REGISTER_START_WITH (plugin, "application/octet-stream",
- GST_RANK_SECONDARY, dsstore_exts, "\000\000\000\001Bud1", 8,
+ GST_RANK_SECONDARY, "DS_Store", "\000\000\000\001Bud1", 8,
GST_TYPE_FIND_LIKELY);
TYPE_FIND_REGISTER_START_WITH (plugin, "image/vnd.adobe.photoshop",
- GST_RANK_SECONDARY, psd_exts, "8BPS\000\001\000\000\000\000", 10,
+ GST_RANK_SECONDARY, "psd", "8BPS\000\001\000\000\000\000", 10,
GST_TYPE_FIND_LIKELY);
+ TYPE_FIND_REGISTER (plugin, "image/vnd.wap.wbmp", GST_RANK_MARGINAL,
+ wbmp_typefind, NULL, NULL, NULL, NULL);
+ TYPE_FIND_REGISTER_START_WITH (plugin, "application/x-yuv4mpeg",
+ GST_RANK_SECONDARY, "y4m", "YUV4MPEG2 ", 10, GST_TYPE_FIND_LIKELY);
+ TYPE_FIND_REGISTER (plugin, "image/x-icon", GST_RANK_MARGINAL,
+ windows_icon_typefind, NULL, NULL, NULL, NULL);
+
+#ifdef USE_GIO
+ TYPE_FIND_REGISTER (plugin, "xdgmime-base", GST_RANK_MARGINAL,
+ xdgmime_typefind, NULL, NULL, NULL, NULL);
+#endif
+
+ TYPE_FIND_REGISTER (plugin, "image/x-degas", GST_RANK_MARGINAL,
+ degas_type_find, NULL, NULL, NULL, NULL);
+ TYPE_FIND_REGISTER (plugin, "application/octet-stream", GST_RANK_MARGINAL,
+ dvdiso_type_find, NULL, NULL, NULL, NULL);
+
+ TYPE_FIND_REGISTER (plugin, "application/x-ssa", GST_RANK_SECONDARY,
+ ssa_type_find, "ssa,ass", NULL, NULL, NULL);
+
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
- "typefindfunctions",
+ typefindfunctions,
"default typefind functions",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
projects / platform / upstream / gstreamer.git / blobdiff