#include "gstwavpackparse.h"
#include <gst/base/gstbytereader.h>
-#include <gst/audio/multichannel.h>
+#include <gst/audio/audio.h>
GST_DEBUG_CATEGORY_STATIC (wavpack_parse_debug);
#define GST_CAT_DEFAULT wavpack_parse_debug
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-wavpack, "
- "width = (int) [ 1, 32 ], "
+ "depth = (int) [ 1, 32 ], "
"channels = (int) [ 1, 8 ], "
"rate = (int) [ 6000, 192000 ], " "framed = (boolean) TRUE; "
"audio/x-wavpack-correction, " "framed = (boolean) TRUE")
static gboolean gst_wavpack_parse_start (GstBaseParse * parse);
static gboolean gst_wavpack_parse_stop (GstBaseParse * parse);
-static gboolean gst_wavpack_parse_check_valid_frame (GstBaseParse * parse,
- GstBaseParseFrame * frame, guint * size, gint * skipsize);
-static GstFlowReturn gst_wavpack_parse_parse_frame (GstBaseParse * parse,
- GstBaseParseFrame * frame);
-static GstCaps *gst_wavpack_parse_get_sink_caps (GstBaseParse * parse);
+static GstFlowReturn gst_wavpack_parse_handle_frame (GstBaseParse * parse,
+ GstBaseParseFrame * frame, gint * skipsize);
+static GstCaps *gst_wavpack_parse_get_sink_caps (GstBaseParse * parse,
+ GstCaps * filter);
-/* FIXME remove when all properly renamed */
-typedef GstWavpackParse GstWavpackParse2;
-typedef GstWavpackParseClass GstWavpackParse2Class;
-
-GST_BOILERPLATE (GstWavpackParse2, gst_wavpack_parse, GstBaseParse,
- GST_TYPE_BASE_PARSE);
-
-static void
-gst_wavpack_parse_base_init (gpointer klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_static_pad_template (element_class, &sink_template);
- gst_element_class_add_static_pad_template (element_class, &src_template);
-
- gst_element_class_set_details_simple (element_class,
- "Wavpack audio stream parser", "Codec/Parser/Audio",
- "Wavpack parser", "Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>");
-}
+#define gst_wavpack_parse_parent_class parent_class
+G_DEFINE_TYPE (GstWavpackParse, gst_wavpack_parse, GST_TYPE_BASE_PARSE);
static void
gst_wavpack_parse_class_init (GstWavpackParseClass * klass)
{
GstBaseParseClass *parse_class = GST_BASE_PARSE_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GST_DEBUG_CATEGORY_INIT (wavpack_parse_debug, "wavpackparse", 0,
parse_class->start = GST_DEBUG_FUNCPTR (gst_wavpack_parse_start);
parse_class->stop = GST_DEBUG_FUNCPTR (gst_wavpack_parse_stop);
- parse_class->check_valid_frame =
- GST_DEBUG_FUNCPTR (gst_wavpack_parse_check_valid_frame);
- parse_class->parse_frame = GST_DEBUG_FUNCPTR (gst_wavpack_parse_parse_frame);
+ parse_class->handle_frame =
+ GST_DEBUG_FUNCPTR (gst_wavpack_parse_handle_frame);
parse_class->get_sink_caps =
GST_DEBUG_FUNCPTR (gst_wavpack_parse_get_sink_caps);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+
+ gst_element_class_set_details_simple (element_class,
+ "Wavpack audio stream parser", "Codec/Parser/Audio",
+ "Wavpack parser", "Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>");
}
static void
}
static void
-gst_wavpack_parse_init (GstWavpackParse * wvparse, GstWavpackParseClass * klass)
+gst_wavpack_parse_init (GstWavpackParse * wvparse)
{
gst_wavpack_parse_reset (wvparse);
}
0x00001, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT}, {
0x00002, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
0x00004, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
- 0x00008, GST_AUDIO_CHANNEL_POSITION_LFE}, {
+ 0x00008, GST_AUDIO_CHANNEL_POSITION_LFE1}, {
0x00010, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT}, {
0x00020, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
0x00040, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER}, {
0x00100, GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
0x00200, GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT}, {
0x00400, GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}, {
- 0x00800, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_CENTER */
- {
- 0x01000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_FRONT_LEFT */
- {
- 0x02000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_FRONT_CENTER */
- {
- 0x04000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_FRONT_RIGHT */
- {
- 0x08000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_BACK_LEFT */
- {
- 0x10000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_BACK_CENTER */
- {
- 0x20000, GST_AUDIO_CHANNEL_POSITION_INVALID} /* TOP_BACK_RIGHT */
+ 0x00800, GST_AUDIO_CHANNEL_POSITION_TOP_CENTER}, {
+ 0x01000, GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_LEFT}, {
+ 0x02000, GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_CENTER}, {
+ 0x04000, GST_AUDIO_CHANNEL_POSITION_TOP_FRONT_RIGHT}, {
+ 0x08000, GST_AUDIO_CHANNEL_POSITION_TOP_REAR_LEFT}, {
+ 0x10000, GST_AUDIO_CHANNEL_POSITION_TOP_REAR_CENTER}, {
+ 0x20000, GST_AUDIO_CHANNEL_POSITION_TOP_REAR_RIGHT}
};
#define MAX_CHANNEL_POSITIONS G_N_ELEMENTS (layout_mapping)
static gboolean
-gst_wavpack_set_channel_layout (GstCaps * caps, gint layout)
+gst_wavpack_get_channel_positions (gint num_channels, gint layout,
+ GstAudioChannelPosition * pos)
{
- GstAudioChannelPosition pos[MAX_CHANNEL_POSITIONS];
- GstStructure *s;
- gint num_channels, i, p;
-
- s = gst_caps_get_structure (caps, 0);
- if (!gst_structure_get_int (s, "channels", &num_channels))
- g_return_val_if_reached (FALSE);
+ gint i, p;
if (num_channels == 1 && layout == 0x00004) {
- pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_MONO;
- gst_audio_set_channel_positions (s, pos);
+ pos[0] = GST_AUDIO_CHANNEL_POSITION_MONO;
return TRUE;
}
return FALSE;
}
- gst_audio_set_channel_positions (s, pos);
return TRUE;
}
{
GstByteReader br;
gint i;
+ GstMapInfo map;
g_return_val_if_fail (wph != NULL || wpi != NULL, FALSE);
- g_return_val_if_fail (GST_BUFFER_SIZE (buf) >= skip + sizeof (WavpackHeader),
- FALSE);
+ g_return_val_if_fail (gst_buffer_get_size (buf) >=
+ skip + sizeof (WavpackHeader), FALSE);
- gst_byte_reader_init (&br, GST_BUFFER_DATA (buf) + skip, wph->ckSize + 8);
+ gst_buffer_map (buf, &map, GST_MAP_READ);
+
+ gst_byte_reader_init (&br, map.data + skip, wph->ckSize + 8);
/* skip past header */
gst_byte_reader_skip_unchecked (&br, sizeof (WavpackHeader));
}
}
+ gst_buffer_unmap (buf, &map);
+
return TRUE;
/* ERRORS */
read_failed:
{
+ gst_buffer_unmap (buf, &map);
GST_DEBUG_OBJECT (parse, "short read while parsing metadata");
/* let's look the other way anyway */
return TRUE;
gst_wavpack_parse_frame_header (GstWavpackParse * parse, GstBuffer * buf,
gint skip, WavpackHeader * _wph)
{
- GstByteReader br = GST_BYTE_READER_INIT_FROM_BUFFER (buf);
- WavpackHeader wph = { {0,}, 0, };
+ GstByteReader br;
+ WavpackHeader wph;
+ GstMapInfo map;
- g_return_val_if_fail (GST_BUFFER_SIZE (buf) >= skip + sizeof (WavpackHeader),
- FALSE);
+ g_return_val_if_fail (gst_buffer_get_size (buf) >=
+ skip + sizeof (WavpackHeader), FALSE);
+
+ gst_buffer_map (buf, &map, GST_MAP_READ);
+ gst_byte_reader_init (&br, map.data, map.size);
/* marker */
gst_byte_reader_skip_unchecked (&br, skip + 4);
if (_wph)
*_wph = wph;
+ gst_buffer_unmap (buf, &map);
+
return TRUE;
}
-static gboolean
-gst_wavpack_parse_check_valid_frame (GstBaseParse * parse,
- GstBaseParseFrame * frame, guint * framesize, gint * skipsize)
+static GstFlowReturn
+gst_wavpack_parse_handle_frame (GstBaseParse * parse,
+ GstBaseParseFrame * frame, gint * skipsize)
{
GstWavpackParse *wvparse = GST_WAVPACK_PARSE (parse);
GstBuffer *buf = frame->buffer;
- GstByteReader reader = GST_BYTE_READER_INIT_FROM_BUFFER (buf);
+ GstByteReader reader;
gint off;
+ guint rate, chans, width, mask;
gboolean lost_sync, draining, final;
guint frmsize = 0;
WavpackHeader wph;
WavpackInfo wpi = { 0, };
+ GstMapInfo map;
- if (G_UNLIKELY (GST_BUFFER_SIZE (buf) < sizeof (WavpackHeader)))
+ if (G_UNLIKELY (gst_buffer_get_size (buf) < sizeof (WavpackHeader)))
return FALSE;
+ gst_buffer_map (buf, &map, GST_MAP_READ);
+ gst_byte_reader_init (&reader, map.data, map.size);
+
/* scan for 'wvpk' marker */
off = gst_byte_reader_masked_scan_uint32 (&reader, 0xffffffff, 0x7776706b,
- 0, GST_BUFFER_SIZE (buf));
+ 0, map.size);
GST_LOG_OBJECT (parse, "possible sync at buffer offset %d", off);
/* didn't find anything that looks like a sync word, skip */
if (off < 0) {
- *skipsize = GST_BUFFER_SIZE (buf) - 3;
+ *skipsize = map.size - 3;
goto skip;
}
lost_sync = FALSE;
}
- /* found frame (up to final), record gathered metadata */
- wvparse->wpi = wpi;
- wvparse->wph = wph;
-
- *framesize = frmsize;
- gst_base_parse_set_min_frame_size (parse, sizeof (WavpackHeader));
-
- return TRUE;
-
-skip:
- GST_LOG_OBJECT (wvparse, "skipping %d", *skipsize);
- return FALSE;
-
-more:
- GST_LOG_OBJECT (wvparse, "need at least %u", frmsize);
- gst_base_parse_set_min_frame_size (parse, frmsize);
- *skipsize = 0;
- return FALSE;
-}
-
-static GstFlowReturn
-gst_wavpack_parse_parse_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
-{
- GstWavpackParse *wvparse = GST_WAVPACK_PARSE (parse);
- GstBuffer *buf = frame->buffer;
- guint rate, chans, width, mask;
-
- /* re-use previously parsed data */
- rate = wvparse->wpi.rate;
- width = wvparse->wpi.width;
- chans = wvparse->wpi.channels;
- mask = wvparse->wpi.channel_mask;
+ rate = wpi.rate;
+ width = wpi.width;
+ chans = wpi.channels;
+ mask = wpi.channel_mask;
GST_LOG_OBJECT (parse, "rate: %u, width: %u, chans: %u", rate, width, chans);
GST_BUFFER_TIMESTAMP (buf) =
- gst_util_uint64_scale_int (wvparse->wph.block_index, GST_SECOND, rate);
+ gst_util_uint64_scale_int (wph.block_index, GST_SECOND, rate);
GST_BUFFER_DURATION (buf) =
- gst_util_uint64_scale_int (wvparse->wph.block_index +
- wvparse->wph.block_samples, GST_SECOND, rate) -
- GST_BUFFER_TIMESTAMP (buf);
+ gst_util_uint64_scale_int (wph.block_index + wph.block_samples,
+ GST_SECOND, rate) - GST_BUFFER_TIMESTAMP (buf);
if (G_UNLIKELY (wvparse->sample_rate != rate || wvparse->channels != chans
|| wvparse->width != width || wvparse->channel_mask != mask)) {
GstCaps *caps;
- if (wvparse->wpi.correction) {
+ if (wpi.correction) {
caps = gst_caps_new_simple ("audio/x-wavpack-correction",
"framed", G_TYPE_BOOLEAN, TRUE, NULL);
} else {
caps = gst_caps_new_simple ("audio/x-wavpack",
"channels", G_TYPE_INT, chans,
"rate", G_TYPE_INT, rate,
- "width", G_TYPE_INT, width, "framed", G_TYPE_BOOLEAN, TRUE, NULL);
+ "depth", G_TYPE_INT, width, "framed", G_TYPE_BOOLEAN, TRUE, NULL);
if (!mask)
mask = gst_wavpack_get_default_channel_mask (wvparse->channels);
if (mask != 0) {
- if (!gst_wavpack_set_channel_layout (caps, mask)) {
- GST_WARNING_OBJECT (wvparse, "Failed to set channel layout");
+ GstAudioChannelPosition pos[64] =
+ { GST_AUDIO_CHANNEL_POSITION_INVALID, };
+ guint64 gmask;
+
+ if (!gst_wavpack_get_channel_positions (chans, mask, pos)) {
+ GST_WARNING_OBJECT (wvparse, "Failed to determine channel layout");
+ } else {
+ gst_audio_channel_positions_to_mask (pos, chans, &gmask);
+ if (gmask)
+ gst_caps_set_simple (caps,
+ "channel-mask", GST_TYPE_BITMASK, gmask, NULL);
}
}
}
- gst_buffer_set_caps (buf, caps);
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps);
gst_caps_unref (caps);
}
}
+ /* return to normal size */
+ gst_base_parse_set_min_frame_size (parse, sizeof (WavpackHeader));
+ gst_buffer_unmap (buf, &map);
+
+ return gst_base_parse_finish_frame (parse, frame, frmsize);
+
+skip:
+ gst_buffer_unmap (buf, &map);
+ GST_LOG_OBJECT (wvparse, "skipping %d", *skipsize);
+ return GST_FLOW_OK;
+
+more:
+ gst_buffer_unmap (buf, &map);
+ GST_LOG_OBJECT (wvparse, "need at least %u", frmsize);
+ gst_base_parse_set_min_frame_size (parse, frmsize);
+ *skipsize = 0;
return GST_FLOW_OK;
}
static GstCaps *
-gst_wavpack_parse_get_sink_caps (GstBaseParse * parse)
+gst_wavpack_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
{
GstCaps *peercaps;
GstCaps *res;
+ /* FIXME: handle filter caps */
+
peercaps = gst_pad_get_allowed_caps (GST_BASE_PARSE_SRC_PAD (parse));
if (peercaps) {
guint i, n;