+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2 -*- */
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
gint64 src_value,
GstFormat *dest_format,
gint64 *dest_value);
-static void gst_wavparse_chain (GstPad *pad, GstData *_data);
+static void gst_wavparse_loop (GstElement *element);
static const GstEventMask*
gst_wavparse_get_event_masks (GstPad *pad);
static gboolean gst_wavparse_srcpad_event (GstPad *pad, GstEvent *event);
static void
gst_wavparse_init (GstWavParse *wavparse)
{
+ GstProps *props;
+
/* sink */
wavparse->sinkpad = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (sink_template_factory), "sink");
gst_element_add_pad (GST_ELEMENT (wavparse), wavparse->sinkpad);
gst_pad_set_event_function (wavparse->srcpad, gst_wavparse_srcpad_event);
gst_pad_set_event_mask_function (wavparse->srcpad, gst_wavparse_get_event_masks);
- gst_pad_set_chain_function (wavparse->sinkpad, gst_wavparse_chain);
+ gst_element_set_loop_function (GST_ELEMENT (wavparse), gst_wavparse_loop);
-
- wavparse->riff = NULL;
wavparse->state = GST_WAVPARSE_UNKNOWN;
- wavparse->riff = NULL;
- wavparse->riff_nextlikely = 0;
- wavparse->size = 0;
wavparse->bps = 0;
- wavparse->offset = 0;
- wavparse->need_discont = FALSE;
+ wavparse->seek_pending = FALSE;
+ wavparse->seek_offset = 0;
+
+ props = gst_props_empty_new ();
+
+ /* Metadata is added later when we find it */
+ gst_caps_replace_sink (&wavparse->metadata,
+ gst_caps_new ("wav_metadata",
+ "application/x-gst-metadata",
+ props));
}
static void
}
static void
-demux_metadata (GstWavParse *wavparse,
- const char *data,
- int len)
+gst_wavparse_parse_adtl (GstWavParse *wavparse,
+ int len)
{
+ guint32 got_bytes;
+ GstByteStream *bs = wavparse->bs;
gst_riff_chunk *temp_chunk, chunk;
- char *name, *type;
- GstPropsEntry *entry;
+ guint8 *tempdata;
+ struct _gst_riff_labl labl, *temp_labl;
+ struct _gst_riff_ltxt ltxt, *temp_ltxt;
+ struct _gst_riff_note note, *temp_note;
+ char *label_name;
GstProps *props;
+ GstPropsEntry *entry;
+ GstCaps *new_caps;
+ GList *caps = NULL;
- props = gst_props_empty_new ();
+ props = wavparse->metadata->properties;
+
+ while (len > 0) {
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (gst_riff_chunk));
+ if (got_bytes != sizeof (gst_riff_chunk)) {
+ return;
+ }
+ temp_chunk = (gst_riff_chunk *) tempdata;
+
+ chunk.id = GUINT32_FROM_LE (temp_chunk->id);
+ chunk.size = GUINT32_FROM_LE (temp_chunk->size);
+
+ if (chunk.size == 0) {
+ gst_bytestream_flush (bs, sizeof (gst_riff_chunk));
+ len -= sizeof (gst_riff_chunk);
+ continue;
+ }
+
+ switch (chunk.id) {
+ case GST_RIFF_adtl_labl:
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (struct _gst_riff_labl));
+ if (got_bytes != sizeof (struct _gst_riff_labl)) {
+ return;
+ }
+
+ temp_labl = (struct _gst_riff_labl *) tempdata;
+ labl.id = GUINT32_FROM_LE (temp_labl->id);
+ labl.size = GUINT32_FROM_LE (temp_labl->size);
+ labl.identifier = GUINT32_FROM_LE (temp_labl->identifier);
+
+ gst_bytestream_flush (bs, sizeof (struct _gst_riff_labl));
+ len -= sizeof (struct _gst_riff_labl);
+
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, labl.size - 4);
+ if (got_bytes != labl.size - 4) {
+ return;
+ }
+
+ label_name = (char *) tempdata;
+
+ gst_bytestream_flush (bs, ((labl.size - 4) + 1) & ~1);
+ len -= (( (labl.size - 4) + 1) & ~1);
+
+ new_caps = gst_caps_new ("label",
+ "application/x-gst-metadata",
+ gst_props_new (
+ "identifier", GST_PROPS_INT (labl.identifier),
+ "name", GST_PROPS_STRING (label_name),
+ NULL));
+
+ if (gst_props_get (props, "labels", &caps, NULL)) {
+ caps = g_list_append (caps, new_caps);
+ } else {
+ caps = g_list_append (NULL, new_caps);
+
+ entry = gst_props_entry_new ("labels", GST_PROPS_GLIST (caps));
+ gst_props_add_entry (props, entry);
+ }
+
+ break;
+
+ case GST_RIFF_adtl_ltxt:
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (struct _gst_riff_ltxt));
+ if (got_bytes != sizeof (struct _gst_riff_ltxt)) {
+ return;
+ }
+
+ temp_ltxt = (struct _gst_riff_ltxt *) tempdata;
+ ltxt.id = GUINT32_FROM_LE (temp_ltxt->id);
+ ltxt.size = GUINT32_FROM_LE (temp_ltxt->size);
+ ltxt.identifier = GUINT32_FROM_LE (temp_ltxt->identifier);
+ ltxt.length = GUINT32_FROM_LE (temp_ltxt->length);
+ ltxt.purpose = GUINT32_FROM_LE (temp_ltxt->purpose);
+ ltxt.country = GUINT16_FROM_LE (temp_ltxt->country);
+ ltxt.language = GUINT16_FROM_LE (temp_ltxt->language);
+ ltxt.dialect = GUINT16_FROM_LE (temp_ltxt->dialect);
+ ltxt.codepage = GUINT16_FROM_LE (temp_ltxt->codepage);
+
+ gst_bytestream_flush (bs, sizeof (struct _gst_riff_ltxt));
+ len -= sizeof (struct _gst_riff_ltxt);
+
+ if (ltxt.size - 20 > 0) {
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, ltxt.size - 20);
+ if (got_bytes != ltxt.size - 20) {
+ return;
+ }
+
+ gst_bytestream_flush (bs, ((ltxt.size - 20) + 1) & ~1);
+ len -= (( (ltxt.size - 20) + 1) & ~1);
+
+ label_name = (char *) tempdata;
+ } else {
+ label_name = "";
+ }
+
+ new_caps = gst_caps_new ("ltxt",
+ "application/x-gst-metadata",
+ gst_props_new (
+ "identifier", GST_PROPS_INT (ltxt.identifier),
+ "name", GST_PROPS_STRING (label_name),
+ "length", GST_PROPS_INT (ltxt.length),
+ NULL));
+
+ if (gst_props_get (props, "ltxts", &caps, NULL)) {
+ caps = g_list_append (caps, new_caps);
+ } else {
+ caps = g_list_append (NULL, new_caps);
+
+ entry = gst_props_entry_new ("ltxts", GST_PROPS_GLIST (caps));
+ gst_props_add_entry (props, entry);
+ }
+
+ break;
+
+ case GST_RIFF_adtl_note:
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (struct _gst_riff_note));
+ if (got_bytes != sizeof (struct _gst_riff_note)) {
+ return;
+ }
+
+ temp_note = (struct _gst_riff_note *) tempdata;
+ note.id = GUINT32_FROM_LE (temp_note->id);
+ note.size = GUINT32_FROM_LE (temp_note->size);
+ note.identifier = GUINT32_FROM_LE (temp_note->identifier);
+
+ gst_bytestream_flush (bs, sizeof (struct _gst_riff_note));
+ len -= sizeof (struct _gst_riff_note);
+
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, note.size - 4);
+ if (got_bytes != note.size - 4) {
+ return;
+ }
+
+ gst_bytestream_flush (bs, ((note.size - 4) + 1) & ~1);
+ len -= (( (note.size - 4) + 1) & ~1);
+
+ label_name = (char *) tempdata;
+
+ new_caps = gst_caps_new ("note",
+ "application/x-gst-metadata",
+ gst_props_new (
+ "identifier", GST_PROPS_INT (note.identifier),
+ "name", GST_PROPS_STRING (label_name),
+ NULL));
+
+ if (gst_props_get (props, "notes", &caps, NULL)) {
+ caps = g_list_append (caps, new_caps);
+ } else {
+ caps = g_list_append (NULL, new_caps);
+
+ entry = gst_props_entry_new ("notes", GST_PROPS_GLIST (caps));
+ gst_props_add_entry (props, entry);
+ }
+
+ break;
+
+ default:
+ g_print ("Unknown chunk: " GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS(chunk.id));
+ return;
+ }
+ }
+}
+
+static void
+gst_wavparse_parse_info (GstWavParse *wavparse,
+ int len)
+{
+ gst_riff_chunk *temp_chunk, chunk;
+ GstByteStream *bs = wavparse->bs;
+ guint8 *tempdata;
+ guint32 got_bytes;
+ char *name, *type;
while (len > 0) {
- temp_chunk = (gst_riff_chunk *) data;
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (gst_riff_chunk));
+ temp_chunk = (gst_riff_chunk *) tempdata;
+
chunk.id = GUINT32_FROM_LE (temp_chunk->id);
chunk.size = GUINT32_FROM_LE (temp_chunk->size);
+ gst_bytestream_flush (bs, sizeof (gst_riff_chunk));
+ if (got_bytes != sizeof (gst_riff_chunk)) {
+ return;
+ }
+
/* move our pointer on past the header */
len -= sizeof (gst_riff_chunk);
- data += sizeof (gst_riff_chunk);
if (chunk.size == 0) {
continue;
}
-
- name = g_strndup (data, chunk.size);
-
+
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, chunk.size);
+ name = (char *) tempdata;
+ if (got_bytes != chunk.size) {
+ return;
+ }
+
/* move our pointer on past the data ... on an even boundary */
+ gst_bytestream_flush (bs, (chunk.size + 1) & ~1);
len -= ((chunk.size + 1) & ~1);
- data += ((chunk.size + 1) & ~1);
/* We now have an info string in 'name' of type chunk.id
- find type */
-
switch (chunk.id) {
case GST_RIFF_INFO_IARL:
type = "Location";
break;
default:
+ g_print ("Unknown: %4.4s\n", (char *) &chunk.id);
type = NULL;
break;
}
-
+
if (type) {
+ GstPropsEntry *entry;
+
entry = gst_props_entry_new (type, GST_PROPS_STRING (name));
- gst_props_add_entry (props, entry);
+ gst_props_add_entry (wavparse->metadata->properties, entry);
}
-
- g_free (name);
}
- gst_caps_replace_sink (&wavparse->metadata,
- gst_caps_new ("wav_metadata",
- "application/x-gst-metadata",
- props));
g_object_notify (G_OBJECT (wavparse), "metadata");
}
-static void wav_new_chunk_callback(GstRiffChunk *chunk, gpointer data)
+static void
+gst_wavparse_parse_cues (GstWavParse *wavparse,
+ int len)
{
- GstWavParse *wavparse;
- GstWavParseFormat *format;
- GstCaps *caps = NULL;
-
- wavparse = GST_WAVPARSE (data);
+ guint32 got_bytes;
+ GstByteStream *bs = wavparse->bs;
+ struct _gst_riff_cue *temp_cue, cue;
+ struct _gst_riff_cuepoints *points;
+ guint8 *tempdata;
+ int i;
+ GList *cues = NULL;
+ GstPropsEntry *entry;
- GST_DEBUG("new tag " GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS(chunk->id));
+ while (len > 0) {
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (struct _gst_riff_cue));
+ temp_cue = (struct _gst_riff_cue *) tempdata;
- switch (chunk->id) {
- case GST_RIFF_TAG_fmt:
-
- /* we can gather format information now */
- format = (GstWavParseFormat *)((guchar *) GST_BUFFER_DATA (wavparse->buf) + chunk->offset);
+ /* fixup for our big endian friends */
+ cue.id = GUINT32_FROM_LE (temp_cue->id);
+ cue.size = GUINT32_FROM_LE (temp_cue->size);
+ cue.cuepoints = GUINT32_FROM_LE (temp_cue->cuepoints);
+
+ gst_bytestream_flush (bs, sizeof (struct _gst_riff_cue));
+ if (got_bytes != sizeof (struct _gst_riff_cue)) {
+ return;
+ }
+
+ len -= sizeof (struct _gst_riff_cue);
+
+ /* -4 because cue.size contains the cuepoints size
+ and we've already flushed that out of the system */
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, cue.size - 4);
+ gst_bytestream_flush (bs, ((cue.size - 4) + 1) & ~1);
+ if (got_bytes != cue.size - 4) {
+ return;
+ }
+
+ len -= ( ((cue.size - 4) + 1) & ~1);
+
+ /* now we have an array of struct _gst_riff_cuepoints in tempdata */
+ points = (struct _gst_riff_cuepoints *) tempdata;
- wavparse->bps = GUINT16_FROM_LE(format->wBlockAlign);
- wavparse->rate = GUINT32_FROM_LE(format->dwSamplesPerSec);
- wavparse->channels = GUINT16_FROM_LE(format->wChannels);
- wavparse->width = GUINT16_FROM_LE(format->wBitsPerSample);
- wavparse->format = GINT16_FROM_LE(format->wFormatTag);
+ for (i = 0; i < cue.cuepoints; i++) {
+ GstCaps *caps;
+
+ caps = gst_caps_new ("cues",
+ "application/x-gst-metadata",
+ gst_props_new (
+ "identifier", GST_PROPS_INT (points[i].identifier),
+ "position", GST_PROPS_INT (points[i].offset),
+ NULL));
+ cues = g_list_append (cues, caps);
+ }
+ entry = gst_props_entry_new ("cues", GST_PROPS_GLIST (cues));
+ gst_props_add_entry (wavparse->metadata->properties, entry);
+ }
+
+ g_object_notify (G_OBJECT (wavparse), "metadata");
+}
+
+static void
+gst_wavparse_parse_fmt (GstWavParse *wavparse)
+{
+ GstWavParseFormat *format;
+ GstCaps *caps = NULL;
+ guint8 *fmtdata;
+ GstByteStream *bs = wavparse->bs;
+ guint32 got_bytes;
+
+ got_bytes = gst_bytestream_peek_bytes (bs, &fmtdata, sizeof (GstWavParseFormat));
+ format = (GstWavParseFormat *) fmtdata;
+
+ if (got_bytes == sizeof (GstWavParseFormat)) {
+ gst_bytestream_flush (bs, got_bytes);
+ wavparse->bps = GUINT16_FROM_LE (format->wBlockAlign);
+ wavparse->rate = GUINT32_FROM_LE (format->dwSamplesPerSec);
+ wavparse->channels = GUINT16_FROM_LE (format->wChannels);
+ wavparse->width = GUINT16_FROM_LE (format->wBitsPerSample);
+ wavparse->format = GINT16_FROM_LE (format->wFormatTag);
+
/* set the caps on the src pad */
/* FIXME: handle all of the other formats as well */
switch (wavparse->format) {
case GST_RIFF_WAVE_FORMAT_ALAW:
case GST_RIFF_WAVE_FORMAT_MULAW: {
- gchar *mime = (wavparse->format == GST_RIFF_WAVE_FORMAT_ALAW) ?
- "audio/x-alaw" : "audio/x-mulaw";
- if (!(wavparse->width == 8)) {
- g_warning("Ignoring invalid width %d",
- wavparse->width);
- return;
+ char *mime = (wavparse->format == GST_RIFF_WAVE_FORMAT_ALAW) ?
+ "audio/x-alaw" : "audio/x-mulaw";
+ if (wavparse->width != 8) {
+ g_warning ("Ignoring invalid width %d", wavparse->width);
+ return;
}
- caps = GST_CAPS_NEW (
- "parsewav_src",
- mime,
- "rate", GST_PROPS_INT (wavparse->rate),
- "channels", GST_PROPS_INT (wavparse->channels)
- );
+
+ caps = GST_CAPS_NEW ("parsewav_src",
+ mime,
+ "rate", GST_PROPS_INT (wavparse->rate),
+ "channels", GST_PROPS_INT (wavparse->channels)
+ );
}
- break;
-
+
case GST_RIFF_WAVE_FORMAT_PCM:
- caps = GST_CAPS_NEW (
- "parsewav_src",
- "audio/x-raw-int",
- "endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
- "signed", GST_PROPS_BOOLEAN ((wavparse->width > 8) ? TRUE : FALSE),
- "width", GST_PROPS_INT (wavparse->width),
- "depth", GST_PROPS_INT (wavparse->width),
- "rate", GST_PROPS_INT (wavparse->rate),
- "channels", GST_PROPS_INT (wavparse->channels)
- );
+ caps = GST_CAPS_NEW ("parsewav_src",
+ "audio/x-raw-int",
+ "endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
+ "signed", GST_PROPS_BOOLEAN ((wavparse->width > 8) ? TRUE : FALSE),
+ "width", GST_PROPS_INT (wavparse->width),
+ "depth", GST_PROPS_INT (wavparse->width),
+ "rate", GST_PROPS_INT (wavparse->rate),
+ "channels", GST_PROPS_INT (wavparse->channels)
+ );
break;
+
case GST_RIFF_WAVE_FORMAT_MPEGL12:
case GST_RIFF_WAVE_FORMAT_MPEGL3: {
- gint layer = (wavparse->format == GST_RIFF_WAVE_FORMAT_MPEGL12) ? 2 : 3;
- caps = GST_CAPS_NEW (
- "parsewav_src",
- "audio/mpeg",
- "layer", GST_PROPS_INT (layer),
- "rate", GST_PROPS_INT (wavparse->rate),
- "channels", GST_PROPS_INT (wavparse->channels)
- );
+ int layer = (wavparse->format == GST_RIFF_WAVE_FORMAT_MPEGL12) ? 2 : 3;
+
+ caps = GST_CAPS_NEW ("parsewav_src",
+ "audio/mpeg",
+ "layer", GST_PROPS_INT (layer),
+ "rate", GST_PROPS_INT (wavparse->rate),
+ "channels", GST_PROPS_INT (wavparse->channels)
+ );
}
break;
-
+
default:
gst_element_error (GST_ELEMENT (wavparse), "wavparse: format %d not handled", wavparse->format);
return;
}
-
+
if (gst_pad_try_set_caps (wavparse->srcpad, caps) <= 0) {
gst_element_error (GST_ELEMENT (wavparse), "Could not set caps");
return;
}
-
+
GST_DEBUG ("frequency %d, channels %d",
- wavparse->rate, wavparse->channels);
-
- /* we're now looking for the data chunk */
- wavparse->state = GST_WAVPARSE_CHUNK_DATA;
- break;
+ wavparse->rate, wavparse->channels);
+ }
+}
- case GST_RIFF_TAG_LIST:
- if (strncmp (chunk->data, "INFO", 4) == 0) {
- /* We got metadata */
- demux_metadata (wavparse, chunk->data + 4, chunk->size - 4);
- }
+static gboolean
+gst_wavparse_handle_sink_event (GstWavParse *wavparse)
+{
+ guint32 remaining;
+ GstEvent *event;
+ GstEventType type;
+ gboolean res = TRUE;
+
+ gst_bytestream_get_status (wavparse->bs, &remaining, &event);
+
+ type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
+ GST_DEBUG ("wavparse: event %p %d", event, type);
+
+ switch (type) {
+ case GST_EVENT_EOS:
+ gst_bytestream_flush (wavparse->bs, remaining);
+ gst_pad_event_default (wavparse->sinkpad, event);
+ res = FALSE;
+ goto done;
+
+ case GST_EVENT_FLUSH:
+ g_warning ("Wavparse: Flush event");
break;
default:
+ g_warning ("Wavparse: Unhandled event %d", type);
break;
}
-}
+ gst_event_unref (event);
+
+ done:
+ return res;
+}
+
static void
-gst_wavparse_chain (GstPad *pad, GstData *_data)
+gst_wavparse_loop (GstElement *element)
{
- GstBuffer *buf = GST_BUFFER (_data);
GstWavParse *wavparse;
- gboolean buffer_riffed = FALSE; /* so we don't parse twice */
- gulong size;
-
- g_return_if_fail (pad != NULL);
- g_return_if_fail (GST_IS_PAD (pad));
- g_return_if_fail (buf != NULL);
- g_return_if_fail (GST_BUFFER_DATA (buf) != NULL);
-
- wavparse = GST_WAVPARSE (gst_pad_get_parent (pad));
- GST_DEBUG ("gst_wavparse_chain: got buffer in '%s'",
- gst_object_get_name (GST_OBJECT (wavparse)));
+ gst_riff_riff chunk;
+ guint32 flush = 0;
+ guint32 got_bytes;
+ GstByteStream *bs;
- size = GST_BUFFER_SIZE (buf);
+ wavparse = GST_WAVPARSE (element);
- wavparse->buf = buf;
+ bs = wavparse->bs;
- /* walk through the states in priority order */
- /* we're in the data region */
- if (wavparse->state == GST_WAVPARSE_DATA) {
- GstFormat format;
- guint64 maxsize;
-
- /* we can't go beyond the max length */
- maxsize = wavparse->riff_nextlikely - GST_BUFFER_OFFSET (buf);
-
- if (maxsize == 0) {
- return;
- } else if (maxsize < size) {
- /* if we're expected to see a new chunk in this buffer */
- GstBuffer *newbuf;
-
- newbuf = gst_buffer_create_sub (buf, 0, maxsize);
- gst_buffer_unref (buf);
- buf = newbuf;
-
- size = maxsize;
-
- wavparse->state = GST_WAVPARSE_OTHER;
- /* I suppose we could signal an EOF at this point, but that may be
- premature. We've stopped data flow, that's the main thing. */
+ if (wavparse->seek_pending) {
+ GST_DEBUG ("wavparse: seek pending to %" G_GINT64_FORMAT " %08llx",
+ wavparse->seek_offset,
+ (unsigned long long) wavparse->seek_offset);
+
+ if (!gst_bytestream_seek (bs, wavparse->seek_offset, GST_SEEK_METHOD_SET)) {
+ GST_INFO ("wavparse: Could not seek");
}
-
- if (GST_PAD_IS_USABLE (wavparse->srcpad)) {
- format = GST_FORMAT_TIME;
- gst_pad_convert (wavparse->srcpad,
- GST_FORMAT_BYTES,
- wavparse->offset,
- &format,
- &GST_BUFFER_TIMESTAMP (buf));
-
- if (wavparse->need_discont) {
- if (buf && GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
- gst_pad_push (wavparse->srcpad,
- GST_DATA (gst_event_new_discontinuous (FALSE,
- GST_FORMAT_BYTES, wavparse->offset,
- GST_FORMAT_TIME, GST_BUFFER_TIMESTAMP (buf),
- NULL)));
- } else {
- gst_pad_push (wavparse->srcpad,
- GST_DATA (gst_event_new_discontinuous (FALSE,
- GST_FORMAT_BYTES, wavparse->offset,
- NULL)));
+
+ wavparse->seek_pending = FALSE;
+ }
+
+ if (wavparse->state == GST_WAVPARSE_DATA) {
+ GstBuffer *buf;
+ int desired;
+
+ /* This seems to want the whole chunk,
+ Will this screw up streaming?
+ Does anyone care about streaming wavs?
+ FIXME: Should we have a decent buffer size? */
+
+#define MAX_BUFFER_SIZE 1024
+
+ if (wavparse->dataleft > 0) {
+ desired = MIN (wavparse->dataleft, MAX_BUFFER_SIZE);
+ got_bytes = gst_bytestream_peek (bs, &buf, desired);
+
+ if (got_bytes == 0) {
+ return;
+ }
+
+ wavparse->dataleft -= got_bytes;
+ wavparse->byteoffset += got_bytes;
+
+ gst_bytestream_flush (bs, got_bytes);
+
+ gst_pad_push (wavparse->srcpad, GST_DATA (buf));
+ return;
+ } else {
+ wavparse->state = GST_WAVPARSE_OTHER;
+ }
}
- wavparse->need_discont = FALSE;
+
+ do {
+ gst_riff_riff *temp_chunk;
+ guint8 *tempdata;
+ guint32 skipsize;
+
+ /* read first two dwords to get chunktype and size */
+ while (TRUE) {
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (gst_riff_chunk));
+ temp_chunk = (gst_riff_riff *) tempdata;
+
+ if (got_bytes < sizeof (gst_riff_chunk)) {
+ if (!gst_wavparse_handle_sink_event (wavparse)) {
+ return;
+ }
+ } else {
+ break;
}
- gst_pad_push (wavparse->srcpad, GST_DATA (buf));
- } else {
- gst_buffer_unref (buf);
}
+
+ chunk.id = GUINT32_FROM_LE (temp_chunk->id);
+ chunk.size = GUINT32_FROM_LE (temp_chunk->size);
- wavparse->offset += size;
-
- return;
- }
-
- if (wavparse->state == GST_WAVPARSE_OTHER) {
- GST_DEBUG ("we're in unknown territory here, not passing on");
-
- gst_buffer_unref(buf);
- return;
- }
-
- /* here we deal with parsing out the primary state */
- /* these are sequenced such that in the normal case each (RIFF/WAVE,
- fmt, data) will fire in sequence, as they should */
-
- /* we're in null state now, look for the RIFF header, start parsing */
- if (wavparse->state == GST_WAVPARSE_UNKNOWN) {
- gint retval;
-
- GST_DEBUG ("GstWavParse: checking for RIFF format");
-
- /* create a new RIFF parser */
- wavparse->riff = gst_riff_parser_new (wav_new_chunk_callback, wavparse);
+ switch (chunk.id) {
+ case GST_RIFF_TAG_RIFF:
+ case GST_RIFF_TAG_LIST:
+ /* Read complete list chunk */
+ while (TRUE) {
+ got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (gst_riff_list));
+ temp_chunk = (gst_riff_riff *) tempdata;
+ if (got_bytes < sizeof (gst_riff_list)) {
+ if (!gst_wavparse_handle_sink_event (wavparse)) {
+ return;
+ }
+ } else {
+ break;
+ }
+ }
+
+ chunk.type = GUINT32_FROM_LE (temp_chunk->type);
+ skipsize = sizeof (gst_riff_list);
+ break;
- /* give it the current buffer to start parsing */
- retval = gst_riff_parser_next_buffer (wavparse->riff, buf, 0);
- buffer_riffed = TRUE;
- if (retval < 0) {
- GST_DEBUG ("sorry, isn't RIFF");
- gst_buffer_unref(buf);
- return;
+ default:
+ skipsize = sizeof (gst_riff_chunk);
+ break;
}
+ gst_bytestream_flush (bs, skipsize);
+ } while (FALSE);
- /* this has to be a file of form WAVE for us to deal with it */
- if (wavparse->riff->form != gst_riff_fourcc_to_id ("WAVE")) {
- GST_DEBUG ("sorry, isn't WAVE");
- gst_buffer_unref(buf);
- return;
- }
+ /* need to flush an even number of bytes at the end */
+ flush = (chunk.size + 1) & ~1;
- /* at this point we're waiting for the 'fmt ' chunk */
- /* careful, the state may have changed in the callback */
- if (wavparse->state == GST_WAVPARSE_UNKNOWN){
- wavparse->state = GST_WAVPARSE_CHUNK_FMT;
+ switch (wavparse->state) {
+ case GST_WAVPARSE_START:
+ if (chunk.id != GST_RIFF_TAG_RIFF &&
+ chunk.type != GST_RIFF_RIFF_WAVE) {
+ gst_element_error (element, "This doesn't appear to be a WAV file %08x %08x", chunk.id, chunk.type);
+ return;
}
- }
+
+ wavparse->state = GST_WAVPARSE_OTHER;
+ /* We are not going to flush lists */
+ flush = 0;
+ break;
- /* we're now looking for the 'fmt ' chunk to get the audio info */
- if (wavparse->state == GST_WAVPARSE_CHUNK_FMT) {
+ case GST_WAVPARSE_OTHER:
+ GST_DEBUG ("riff tag: %4.4s %08x", (char *) &chunk.id, chunk.size);
+
+ switch (chunk.id) {
+ case GST_RIFF_TAG_data:
+ wavparse->state = GST_WAVPARSE_DATA;
+ wavparse->dataleft = chunk.size;
+ wavparse->byteoffset = 0;
- GST_DEBUG ("GstWavParse: looking for fmt chunk");
+ flush = 0;
+ break;
+
+ case GST_RIFF_TAG_fmt:
+ gst_wavparse_parse_fmt (wavparse);
+ break;
- /* there's a good possibility we may not have parsed this buffer */
- if (buffer_riffed == FALSE) {
- gst_riff_parser_next_buffer (wavparse->riff, buf, GST_BUFFER_OFFSET (buf));
- buffer_riffed = TRUE;
+ case GST_RIFF_TAG_cue:
+ gst_wavparse_parse_cues (wavparse, chunk.size);
+ break;
+
+ case GST_RIFF_TAG_LIST:
+ GST_DEBUG ("list type: %4.4s", (char *) &chunk.type);
+ switch (chunk.type) {
+ case GST_RIFF_LIST_INFO:
+ gst_wavparse_parse_info (wavparse, chunk.size - 4);
+ flush = 0;
+
+ break;
+
+ case GST_RIFF_LIST_adtl:
+ gst_wavparse_parse_adtl (wavparse, chunk.size - 4);
+ flush = 0;
+ break;
+
+ default:
+ flush = 0;
+ break;
+ }
+
+ flush = 0;
+ break;
}
-
- return;
+
+ case GST_WAVPARSE_DATA:
+ /* Should have been handled up there ^^^^ */
+ flush = 0;
+ break;
+
+ default:
+ /* Unknown */
+ GST_DEBUG (" ***** unknown chunkid %08x", chunk.id);
+ break;
}
- /* now we look for the data chunk */
- if (wavparse->state == GST_WAVPARSE_CHUNK_DATA) {
- GstRiffChunk *datachunk;
+ if (flush > 0) {
+ gboolean res;
- GST_DEBUG ("GstWavParse: looking for data chunk");
+ res = gst_bytestream_flush (bs, flush);
+ if (!res) {
+ guint32 remaining;
+ GstEvent *event;
- /* again, we might need to parse the buffer */
- if (buffer_riffed == FALSE) {
- gst_riff_parser_next_buffer (wavparse->riff, buf, GST_BUFFER_OFFSET (buf));
- buffer_riffed = TRUE;
- }
-
- datachunk = gst_riff_parser_get_chunk (wavparse->riff, GST_RIFF_TAG_data);
-
- if (datachunk != NULL) {
- gulong subsize;
- GstBuffer *newbuf;
-
- GST_DEBUG ("data begins at %ld", datachunk->offset);
-
- wavparse->datastart = datachunk->offset;
-
- /* at this point we can ACK that we have data */
- wavparse->state = GST_WAVPARSE_DATA;
-
- /* now we construct a new buffer for the remainder */
- subsize = size - datachunk->offset;
- GST_DEBUG ("sending last %ld bytes along as audio", subsize);
-
- newbuf = gst_buffer_create_sub (buf, datachunk->offset, subsize);
- gst_buffer_unref (buf);
-
- GST_BUFFER_TIMESTAMP (newbuf) = 0;
-
- if (GST_PAD_IS_USABLE (wavparse->srcpad))
- gst_pad_push (wavparse->srcpad, GST_DATA (newbuf));
- else
- gst_buffer_unref (newbuf);
-
- wavparse->offset = subsize;
-
- /* now we're ready to go, the next buffer should start data */
- wavparse->state = GST_WAVPARSE_DATA;
-
- /* however, we may be expecting another chunk at some point */
- wavparse->riff_nextlikely = gst_riff_parser_get_nextlikely (wavparse->riff);
-
- return;
- }
+ gst_bytestream_get_status (bs, &remaining, &event);
+ gst_event_unref (event);
+ }
}
-
- gst_buffer_unref (buf);
}
/* convert and query stuff */
static gboolean
gst_wavparse_srcpad_event (GstPad *pad, GstEvent *event)
{
+#if 0
GstWavParse *wavparse = GST_WAVPARSE (GST_PAD_PARENT (pad));
gboolean res = FALSE;
&byteoffset);
if (res) {
- GstEvent *seek;
-
- /* seek to byteoffset + header length */
- seek = gst_event_new_seek (
- GST_FORMAT_BYTES |
- (GST_EVENT_SEEK_TYPE (event) & ~GST_SEEK_FORMAT_MASK),
- byteoffset + (GST_EVENT_SEEK_METHOD (event) == GST_SEEK_METHOD_END ? 0 : wavparse->datastart));
-
- res = gst_pad_send_event (GST_PAD_PEER (wavparse->sinkpad), seek);
-
- if (res) {
- /* ok, seek worked, update our state */
- wavparse->offset = byteoffset;
- wavparse->need_discont = TRUE;
- }
+ /* ok, seek worked, update our state */
+ wavparse->seek_offset = byteoffset;
+ wavparse->seek_pending = TRUE;
+ wavparse->need_discont = TRUE;
}
break;
}
gst_event_unref (event);
return res;
+#else
+ return FALSE;
+#endif
}
static GstElementStateReturn
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
+ wavparse->bs = gst_bytestream_new (wavparse->sinkpad);
+ wavparse->state = GST_WAVPARSE_START;
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
- wavparse->riff = NULL;
+ gst_bytestream_destroy (wavparse->bs);
wavparse->state = GST_WAVPARSE_UNKNOWN;
- wavparse->riff_nextlikely = 0;
- wavparse->size = 0;
wavparse->bps = 0;
- wavparse->offset = 0;
- wavparse->need_discont = FALSE;
+ wavparse->seek_pending = FALSE;
+ wavparse->seek_offset = 0;
+ gst_caps_replace (&wavparse->metadata, NULL);
+
break;
case GST_STATE_READY_TO_NULL:
break;
{
GstElementFactory *factory;
- if(!gst_library_load("gstriff")){
+ if (!gst_library_load ("gstbytestream")) {
return FALSE;
}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * 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.
+ */
+
+
+#ifndef __GST_RIFF_H__
+#define __GST_RIFF_H__
+
+
+#include <gst/gst.h>
+
+typedef enum {
+ GST_RIFF_OK = 0,
+ GST_RIFF_ENOTRIFF = -1,
+ GST_RIFF_EINVAL = -2,
+ GST_RIFF_ENOMEM = -3
+} GstRiffReturn;
+
+#define MAKE_FOUR_CC(a,b,c,d) GST_MAKE_FOURCC(a,b,c,d)
+
+/* RIFF types */
+#define GST_RIFF_RIFF_WAVE MAKE_FOUR_CC('W','A','V','E')
+#define GST_RIFF_RIFF_AVI MAKE_FOUR_CC('A','V','I',' ')
+
+/* tags */
+#define GST_RIFF_TAG_RIFF MAKE_FOUR_CC('R','I','F','F')
+#define GST_RIFF_TAG_RIFX MAKE_FOUR_CC('R','I','F','X')
+#define GST_RIFF_TAG_LIST MAKE_FOUR_CC('L','I','S','T')
+#define GST_RIFF_TAG_avih MAKE_FOUR_CC('a','v','i','h')
+#define GST_RIFF_TAG_strd MAKE_FOUR_CC('s','t','r','d')
+#define GST_RIFF_TAG_strn MAKE_FOUR_CC('s','t','r','n')
+#define GST_RIFF_TAG_strh MAKE_FOUR_CC('s','t','r','h')
+#define GST_RIFF_TAG_strf MAKE_FOUR_CC('s','t','r','f')
+#define GST_RIFF_TAG_vedt MAKE_FOUR_CC('v','e','d','t')
+#define GST_RIFF_TAG_JUNK MAKE_FOUR_CC('J','U','N','K')
+#define GST_RIFF_TAG_idx1 MAKE_FOUR_CC('i','d','x','1')
+#define GST_RIFF_TAG_dmlh MAKE_FOUR_CC('d','m','l','h')
+/* WAV stuff */
+#define GST_RIFF_TAG_fmt MAKE_FOUR_CC('f','m','t',' ')
+#define GST_RIFF_TAG_data MAKE_FOUR_CC('d','a','t','a')
+#define GST_RIFF_TAG_plst MAKE_FOUR_CC('p','l','s','t')
+#define GST_RIFF_TAG_cue MAKE_FOUR_CC('c','u','e',' ')
+
+/* LIST types */
+#define GST_RIFF_LIST_movi MAKE_FOUR_CC('m','o','v','i')
+#define GST_RIFF_LIST_hdrl MAKE_FOUR_CC('h','d','r','l')
+#define GST_RIFF_LIST_strl MAKE_FOUR_CC('s','t','r','l')
+#define GST_RIFF_LIST_INFO MAKE_FOUR_CC('I','N','F','O')
+#define GST_RIFF_LIST_adtl MAKE_FOUR_CC('a','d','t','l')
+
+/* adtl types */
+#define GST_RIFF_adtl_ltxt MAKE_FOUR_CC('l','t','x','t')
+#define GST_RIFF_adtl_labl MAKE_FOUR_CC('l','a','b','l')
+#define GST_RIFF_adtl_note MAKE_FOUR_CC('n','o','t','e')
+
+/* fcc types */
+#define GST_RIFF_FCC_vids MAKE_FOUR_CC('v','i','d','s')
+#define GST_RIFF_FCC_auds MAKE_FOUR_CC('a','u','d','s')
+#define GST_RIFF_FCC_pads MAKE_FOUR_CC('p','a','d','s')
+#define GST_RIFF_FCC_txts MAKE_FOUR_CC('t','x','t','s')
+#define GST_RIFF_FCC_vidc MAKE_FOUR_CC('v','i','d','c')
+#define GST_RIFF_FCC_iavs MAKE_FOUR_CC('i','a','v','s')
+/* fcc handlers */
+#define GST_RIFF_FCCH_RLE MAKE_FOUR_CC('R','L','E',' ')
+#define GST_RIFF_FCCH_msvc MAKE_FOUR_CC('m','s','v','c')
+#define GST_RIFF_FCCH_MSVC MAKE_FOUR_CC('M','S','V','C')
+
+/* INFO types - see http://www.saettler.com/RIFFMCI/riffmci.html */
+#define GST_RIFF_INFO_IARL MAKE_FOUR_CC('I','A','R','L') /* location */
+#define GST_RIFF_INFO_IART MAKE_FOUR_CC('I','A','R','T') /* artist */
+#define GST_RIFF_INFO_ICMS MAKE_FOUR_CC('I','C','M','S') /* commissioned */
+#define GST_RIFF_INFO_ICMT MAKE_FOUR_CC('I','C','M','T') /* comment */
+#define GST_RIFF_INFO_ICOP MAKE_FOUR_CC('I','C','O','P') /* copyright */
+#define GST_RIFF_INFO_ICRD MAKE_FOUR_CC('I','C','R','D') /* creation date */
+#define GST_RIFF_INFO_ICRP MAKE_FOUR_CC('I','C','R','P') /* cropped */
+#define GST_RIFF_INFO_IDIM MAKE_FOUR_CC('I','D','I','M') /* dimensions */
+#define GST_RIFF_INFO_IDPI MAKE_FOUR_CC('I','D','P','I') /* dots-per-inch */
+#define GST_RIFF_INFO_IENG MAKE_FOUR_CC('I','E','N','G') /* engineer(s) */
+#define GST_RIFF_INFO_IGNR MAKE_FOUR_CC('I','G','N','R') /* genre */
+#define GST_RIFF_INFO_IKEY MAKE_FOUR_CC('I','K','E','Y') /* keywords */
+#define GST_RIFF_INFO_ILGT MAKE_FOUR_CC('I','L','G','T') /* lightness */
+#define GST_RIFF_INFO_IMED MAKE_FOUR_CC('I','M','E','D') /* medium */
+#define GST_RIFF_INFO_INAM MAKE_FOUR_CC('I','N','A','M') /* name */
+#define GST_RIFF_INFO_IPLT MAKE_FOUR_CC('I','P','L','T') /* palette setting */
+#define GST_RIFF_INFO_IPRD MAKE_FOUR_CC('I','P','R','D') /* product */
+#define GST_RIFF_INFO_ISBJ MAKE_FOUR_CC('I','S','B','J') /* subject */
+#define GST_RIFF_INFO_ISFT MAKE_FOUR_CC('I','S','F','T') /* software */
+#define GST_RIFF_INFO_ISHP MAKE_FOUR_CC('I','S','H','P') /* sharpness */
+#define GST_RIFF_INFO_ISRC MAKE_FOUR_CC('I','S','R','C') /* source */
+#define GST_RIFF_INFO_ISRF MAKE_FOUR_CC('I','S','R','F') /* source form */
+#define GST_RIFF_INFO_ITCH MAKE_FOUR_CC('I','T','C','H') /* technician(s) */
+
+/*********Chunk Names***************/
+#define GST_RIFF_FF00 MAKE_FOUR_CC(0xFF,0xFF,0x00,0x00)
+#define GST_RIFF_00 MAKE_FOUR_CC( '0', '0',0x00,0x00)
+#define GST_RIFF_01 MAKE_FOUR_CC( '0', '1',0x00,0x00)
+#define GST_RIFF_02 MAKE_FOUR_CC( '0', '2',0x00,0x00)
+#define GST_RIFF_03 MAKE_FOUR_CC( '0', '3',0x00,0x00)
+#define GST_RIFF_04 MAKE_FOUR_CC( '0', '4',0x00,0x00)
+#define GST_RIFF_05 MAKE_FOUR_CC( '0', '5',0x00,0x00)
+#define GST_RIFF_06 MAKE_FOUR_CC( '0', '6',0x00,0x00)
+#define GST_RIFF_07 MAKE_FOUR_CC( '0', '7',0x00,0x00)
+#define GST_RIFF_00pc MAKE_FOUR_CC( '0', '0', 'p', 'c')
+#define GST_RIFF_01pc MAKE_FOUR_CC( '0', '1', 'p', 'c')
+#define GST_RIFF_00dc MAKE_FOUR_CC( '0', '0', 'd', 'c')
+#define GST_RIFF_00dx MAKE_FOUR_CC( '0', '0', 'd', 'x')
+#define GST_RIFF_00db MAKE_FOUR_CC( '0', '0', 'd', 'b')
+#define GST_RIFF_00xx MAKE_FOUR_CC( '0', '0', 'x', 'x')
+#define GST_RIFF_00id MAKE_FOUR_CC( '0', '0', 'i', 'd')
+#define GST_RIFF_00rt MAKE_FOUR_CC( '0', '0', 'r', 't')
+#define GST_RIFF_0021 MAKE_FOUR_CC( '0', '0', '2', '1')
+#define GST_RIFF_00iv MAKE_FOUR_CC( '0', '0', 'i', 'v')
+#define GST_RIFF_0031 MAKE_FOUR_CC( '0', '0', '3', '1')
+#define GST_RIFF_0032 MAKE_FOUR_CC( '0', '0', '3', '2')
+#define GST_RIFF_00vc MAKE_FOUR_CC( '0', '0', 'v', 'c')
+#define GST_RIFF_00xm MAKE_FOUR_CC( '0', '0', 'x', 'm')
+#define GST_RIFF_01wb MAKE_FOUR_CC( '0', '1', 'w', 'b')
+#define GST_RIFF_01dc MAKE_FOUR_CC( '0', '1', 'd', 'c')
+#define GST_RIFF_00__ MAKE_FOUR_CC( '0', '0', '_', '_')
+
+/*********VIDEO CODECS**************/
+#define GST_RIFF_cram MAKE_FOUR_CC( 'c', 'r', 'a', 'm')
+#define GST_RIFF_CRAM MAKE_FOUR_CC( 'C', 'R', 'A', 'M')
+#define GST_RIFF_wham MAKE_FOUR_CC( 'w', 'h', 'a', 'm')
+#define GST_RIFF_WHAM MAKE_FOUR_CC( 'W', 'H', 'A', 'M')
+#define GST_RIFF_rgb MAKE_FOUR_CC(0x00,0x00,0x00,0x00)
+#define GST_RIFF_RGB MAKE_FOUR_CC( 'R', 'G', 'B', ' ')
+#define GST_RIFF_rle8 MAKE_FOUR_CC(0x01,0x00,0x00,0x00)
+#define GST_RIFF_RLE8 MAKE_FOUR_CC( 'R', 'L', 'E', '8')
+#define GST_RIFF_rle4 MAKE_FOUR_CC(0x02,0x00,0x00,0x00)
+#define GST_RIFF_RLE4 MAKE_FOUR_CC( 'R', 'L', 'E', '4')
+#define GST_RIFF_none MAKE_FOUR_CC(0x00,0x00,0xFF,0xFF)
+#define GST_RIFF_NONE MAKE_FOUR_CC( 'N', 'O', 'N', 'E')
+#define GST_RIFF_pack MAKE_FOUR_CC(0x01,0x00,0xFF,0xFF)
+#define GST_RIFF_PACK MAKE_FOUR_CC( 'P', 'A', 'C', 'K')
+#define GST_RIFF_tran MAKE_FOUR_CC(0x02,0x00,0xFF,0xFF)
+#define GST_RIFF_TRAN MAKE_FOUR_CC( 'T', 'R', 'A', 'N')
+#define GST_RIFF_ccc MAKE_FOUR_CC(0x03,0x00,0xFF,0xFF)
+#define GST_RIFF_CCC MAKE_FOUR_CC( 'C', 'C', 'C', ' ')
+#define GST_RIFF_cyuv MAKE_FOUR_CC( 'c', 'y', 'u', 'v')
+#define GST_RIFF_CYUV MAKE_FOUR_CC( 'C', 'Y', 'U', 'V')
+#define GST_RIFF_jpeg MAKE_FOUR_CC(0x04,0x00,0xFF,0xFF)
+#define GST_RIFF_JPEG MAKE_FOUR_CC( 'J', 'P', 'E', 'G')
+#define GST_RIFF_MJPG MAKE_FOUR_CC( 'M', 'J', 'P', 'G')
+#define GST_RIFF_mJPG MAKE_FOUR_CC( 'm', 'J', 'P', 'G')
+#define GST_RIFF_IJPG MAKE_FOUR_CC( 'I', 'J', 'P', 'G')
+#define GST_RIFF_rt21 MAKE_FOUR_CC( 'r', 't', '2', '1')
+#define GST_RIFF_RT21 MAKE_FOUR_CC( 'R', 'T', '2', '1')
+#define GST_RIFF_iv31 MAKE_FOUR_CC( 'i', 'v', '3', '1')
+#define GST_RIFF_IV31 MAKE_FOUR_CC( 'I', 'V', '3', '1')
+#define GST_RIFF_iv32 MAKE_FOUR_CC( 'i', 'v', '3', '2')
+#define GST_RIFF_IV32 MAKE_FOUR_CC( 'I', 'V', '3', '2')
+#define GST_RIFF_iv41 MAKE_FOUR_CC( 'i', 'v', '4', '1')
+#define GST_RIFF_IV41 MAKE_FOUR_CC( 'I', 'V', '4', '1')
+#define GST_RIFF_iv50 MAKE_FOUR_CC( 'i', 'v', '5', '0')
+#define GST_RIFF_IV50 MAKE_FOUR_CC( 'I', 'V', '5', '0')
+#define GST_RIFF_cvid MAKE_FOUR_CC( 'c', 'v', 'i', 'd')
+#define GST_RIFF_CVID MAKE_FOUR_CC( 'C', 'V', 'I', 'D')
+#define GST_RIFF_ULTI MAKE_FOUR_CC( 'U', 'L', 'T', 'I')
+#define GST_RIFF_ulti MAKE_FOUR_CC( 'u', 'l', 't', 'i')
+#define GST_RIFF_YUV9 MAKE_FOUR_CC( 'Y', 'V', 'U', '9')
+#define GST_RIFF_YVU9 MAKE_FOUR_CC( 'Y', 'U', 'V', '9')
+#define GST_RIFF_XMPG MAKE_FOUR_CC( 'X', 'M', 'P', 'G')
+#define GST_RIFF_xmpg MAKE_FOUR_CC( 'x', 'm', 'p', 'g')
+#define GST_RIFF_VDOW MAKE_FOUR_CC( 'V', 'D', 'O', 'W')
+#define GST_RIFF_MVI1 MAKE_FOUR_CC( 'M', 'V', 'I', '1')
+#define GST_RIFF_v422 MAKE_FOUR_CC( 'v', '4', '2', '2')
+#define GST_RIFF_V422 MAKE_FOUR_CC( 'V', '4', '2', '2')
+#define GST_RIFF_mvi1 MAKE_FOUR_CC( 'm', 'v', 'i', '1')
+#define GST_RIFF_MPIX MAKE_FOUR_CC(0x04,0x00, 'i', '1') /* MotionPixels munged their id */
+#define GST_RIFF_AURA MAKE_FOUR_CC( 'A', 'U', 'R', 'A')
+#define GST_RIFF_DMB1 MAKE_FOUR_CC( 'D', 'M', 'B', '1')
+#define GST_RIFF_dmb1 MAKE_FOUR_CC( 'd', 'm', 'b', '1')
+
+#define GST_RIFF_BW10 MAKE_FOUR_CC( 'B', 'W', '1', '0')
+#define GST_RIFF_bw10 MAKE_FOUR_CC( 'b', 'w', '1', '0')
+
+#define GST_RIFF_yuy2 MAKE_FOUR_CC( 'y', 'u', 'y', '2')
+#define GST_RIFF_YUY2 MAKE_FOUR_CC( 'Y', 'U', 'Y', '2')
+#define GST_RIFF_YUV8 MAKE_FOUR_CC( 'Y', 'U', 'V', '8')
+#define GST_RIFF_WINX MAKE_FOUR_CC( 'W', 'I', 'N', 'X')
+#define GST_RIFF_WPY2 MAKE_FOUR_CC( 'W', 'P', 'Y', '2')
+#define GST_RIFF_m263 MAKE_FOUR_CC( 'm', '2', '6', '3')
+#define GST_RIFF_M263 MAKE_FOUR_CC( 'M', '2', '6', '3')
+
+#define GST_RIFF_Q1_0 MAKE_FOUR_CC( 'Q', '1',0x2e, '0')
+#define GST_RIFF_SFMC MAKE_FOUR_CC( 'S', 'F', 'M', 'C')
+
+#define GST_RIFF_y41p MAKE_FOUR_CC( 'y', '4', '1', 'p')
+#define GST_RIFF_Y41P MAKE_FOUR_CC( 'Y', '4', '1', 'P')
+#define GST_RIFF_yv12 MAKE_FOUR_CC( 'y', 'v', '1', '2')
+#define GST_RIFF_YV12 MAKE_FOUR_CC( 'Y', 'V', '1', '2')
+#define GST_RIFF_vixl MAKE_FOUR_CC( 'v', 'i', 'x', 'l')
+#define GST_RIFF_VIXL MAKE_FOUR_CC( 'V', 'I', 'X', 'L')
+#define GST_RIFF_iyuv MAKE_FOUR_CC( 'i', 'y', 'u', 'v')
+#define GST_RIFF_IYUV MAKE_FOUR_CC( 'I', 'Y', 'U', 'V')
+#define GST_RIFF_i420 MAKE_FOUR_CC( 'i', '4', '2', '0')
+#define GST_RIFF_I420 MAKE_FOUR_CC( 'I', '4', '2', '0')
+#define GST_RIFF_vyuy MAKE_FOUR_CC( 'v', 'y', 'u', 'y')
+#define GST_RIFF_VYUY MAKE_FOUR_CC( 'V', 'Y', 'U', 'Y')
+
+#define GST_RIFF_DIV3 MAKE_FOUR_CC( 'D', 'I', 'V', '3')
+
+#define GST_RIFF_rpza MAKE_FOUR_CC( 'r', 'p', 'z', 'a')
+/* And this here's the mistakes that need to be supported */
+#define GST_RIFF_azpr MAKE_FOUR_CC( 'a', 'z', 'p', 'r') /* recognize Apple's rpza mangled? */
+
+/*********** FND in MJPG **********/
+#define GST_RIFF_ISFT MAKE_FOUR_CC( 'I', 'S', 'F', 'T')
+#define GST_RIFF_IDIT MAKE_FOUR_CC( 'I', 'D', 'I', 'T')
+
+#define GST_RIFF_00AM MAKE_FOUR_CC( '0', '0', 'A', 'M')
+#define GST_RIFF_DISP MAKE_FOUR_CC( 'D', 'I', 'S', 'P')
+#define GST_RIFF_ISBJ MAKE_FOUR_CC( 'I', 'S', 'B', 'J')
+
+#define GST_RIFF_rec MAKE_FOUR_CC( 'r', 'e', 'c', ' ')
+
+/* common data structures */
+struct _gst_riff_avih {
+ guint32 us_frame; /* microsec per frame */
+ guint32 max_bps; /* byte/s overall */
+ guint32 pad_gran; /* pad_gran (???) */
+ guint32 flags;
+/* flags values */
+#define GST_RIFF_AVIH_HASINDEX 0x00000010 /* has idx1 chunk */
+#define GST_RIFF_AVIH_MUSTUSEINDEX 0x00000020 /* must use idx1 chunk to determine order */
+#define GST_RIFF_AVIH_ISINTERLEAVED 0x00000100 /* AVI file is interleaved */
+#define GST_RIFF_AVIH_WASCAPTUREFILE 0x00010000 /* specially allocated used for capturing real time video */
+#define GST_RIFF_AVIH_COPYRIGHTED 0x00020000 /* contains copyrighted data */
+ guint32 tot_frames; /* # of frames (all) */
+ guint32 init_frames; /* initial frames (???) */
+ guint32 streams;
+ guint32 bufsize; /* suggested buffer size */
+ guint32 width;
+ guint32 height;
+ guint32 scale;
+ guint32 rate;
+ guint32 start;
+ guint32 length;
+};
+
+struct _gst_riff_strh {
+ guint32 type; /* stream type */
+ guint32 fcc_handler; /* fcc_handler */
+ guint32 flags;
+/* flags values */
+#define GST_RIFF_STRH_DISABLED 0x000000001
+#define GST_RIFF_STRH_VIDEOPALCHANGES 0x000010000
+ guint32 priority;
+ guint32 init_frames; /* initial frames (???) */
+ guint32 scale;
+ guint32 rate;
+ guint32 start;
+ guint32 length;
+ guint32 bufsize; /* suggested buffer size */
+ guint32 quality;
+ guint32 samplesize;
+ /* XXX 16 bytes ? */
+};
+
+struct _gst_riff_strf_vids { /* == BitMapInfoHeader */
+ guint32 size;
+ guint32 width;
+ guint32 height;
+ guint16 planes;
+ guint16 bit_cnt;
+ guint32 compression;
+ guint32 image_size;
+ guint32 xpels_meter;
+ guint32 ypels_meter;
+ guint32 num_colors; /* used colors */
+ guint32 imp_colors; /* important colors */
+ /* may be more for some codecs */
+};
+
+
+struct _gst_riff_strf_auds { /* == WaveHeader (?) */
+ guint16 format;
+/**** from public Microsoft RIFF docs ******/
+#define GST_RIFF_WAVE_FORMAT_UNKNOWN (0x0000)
+#define GST_RIFF_WAVE_FORMAT_PCM (0x0001)
+#define GST_RIFF_WAVE_FORMAT_ADPCM (0x0002)
+#define GST_RIFF_WAVE_FORMAT_IBM_CVSD (0x0005)
+#define GST_RIFF_WAVE_FORMAT_ALAW (0x0006)
+#define GST_RIFF_WAVE_FORMAT_MULAW (0x0007)
+#define GST_RIFF_WAVE_FORMAT_OKI_ADPCM (0x0010)
+#define GST_RIFF_WAVE_FORMAT_DVI_ADPCM (0x0011)
+#define GST_RIFF_WAVE_FORMAT_DIGISTD (0x0015)
+#define GST_RIFF_WAVE_FORMAT_DIGIFIX (0x0016)
+#define GST_RIFF_WAVE_FORMAT_YAMAHA_ADPCM (0x0020)
+#define GST_RIFF_WAVE_FORMAT_DSP_TRUESPEECH (0x0022)
+#define GST_RIFF_WAVE_FORMAT_GSM610 (0x0031)
+#define GST_RIFF_WAVE_FORMAT_MSN (0x0032)
+#define GST_RIFF_WAVE_FORMAT_MPEGL12 (0x0050)
+#define GST_RIFF_WAVE_FORMAT_MPEGL3 (0x0055)
+#define GST_RIFF_IBM_FORMAT_MULAW (0x0101)
+#define GST_RIFF_IBM_FORMAT_ALAW (0x0102)
+#define GST_RIFF_IBM_FORMAT_ADPCM (0x0103)
+#define GST_RIFF_WAVE_FORMAT_DIVX_WMAV1 (0x0160)
+#define GST_RIFF_WAVE_FORMAT_DIVX_WMAV2 (0x0161)
+#define GST_RIFF_WAVE_FORMAT_WMAV9 (0x0162)
+#define GST_RIFF_WAVE_FORMAT_A52 (0x2000)
+#define GST_RIFF_WAVE_FORMAT_VORBIS1 (0x674f)
+#define GST_RIFF_WAVE_FORMAT_VORBIS2 (0x6750)
+#define GST_RIFF_WAVE_FORMAT_VORBIS3 (0x6751)
+#define GST_RIFF_WAVE_FORMAT_VORBIS1PLUS (0x676f)
+#define GST_RIFF_WAVE_FORMAT_VORBIS2PLUS (0x6770)
+#define GST_RIFF_WAVE_FORMAT_VORBIS3PLUS (0x6771)
+ guint16 channels;
+ guint32 rate;
+ guint32 av_bps;
+ guint16 blockalign;
+ guint16 size;
+};
+
+struct _gst_riff_strf_iavs {
+ guint32 DVAAuxSrc;
+ guint32 DVAAuxCtl;
+ guint32 DVAAuxSrc1;
+ guint32 DVAAuxCtl1;
+ guint32 DVVAuxSrc;
+ guint32 DVVAuxCtl;
+ guint32 DVReserved1;
+ guint32 DVReserved2;
+};
+
+struct _gst_riff_riff {
+ guint32 id;
+ guint32 size;
+ guint32 type;
+};
+
+struct _gst_riff_list {
+ guint32 id;
+ guint32 size;
+ guint32 type;
+};
+
+struct _gst_riff_labl {
+ guint32 id;
+ guint32 size;
+
+ guint32 identifier;
+};
+
+struct _gst_riff_ltxt {
+ guint32 id;
+ guint32 size;
+
+ guint32 identifier;
+ guint32 length;
+ guint32 purpose;
+ guint16 country;
+ guint16 language;
+ guint16 dialect;
+ guint16 codepage;
+};
+
+struct _gst_riff_note {
+ guint32 id;
+ guint32 size;
+
+ guint32 identifier;
+};
+
+struct _gst_riff_cuepoints {
+ guint32 identifier;
+ guint32 position;
+ guint32 id;
+ guint32 chunkstart;
+ guint32 blockstart;
+ guint32 offset;
+};
+
+struct _gst_riff_cue {
+ guint32 id;
+ guint32 size;
+
+ guint32 cuepoints; /* Number of cue points held in the data */
+};
+
+struct _gst_riff_chunk {
+ guint32 id;
+ guint32 size;
+};
+
+struct _gst_riff_index_entry {
+ guint32 id;
+ guint32 flags;
+#define GST_RIFF_IF_LIST (0x00000001L)
+#define GST_RIFF_IF_KEYFRAME (0x00000010L)
+#define GST_RIFF_IF_NO_TIME (0x00000100L)
+#define GST_RIFF_IF_COMPUSE (0x0FFF0000L)
+ guint32 offset;
+ guint32 size;
+};
+
+struct _gst_riff_dmlh {
+ guint32 totalframes;
+};
+
+typedef struct _gst_riff_riff gst_riff_riff;
+typedef struct _gst_riff_list gst_riff_list;
+typedef struct _gst_riff_chunk gst_riff_chunk;
+typedef struct _gst_riff_index_entry gst_riff_index_entry;
+
+typedef struct _gst_riff_avih gst_riff_avih;
+typedef struct _gst_riff_strh gst_riff_strh;
+typedef struct _gst_riff_strf_vids gst_riff_strf_vids;
+typedef struct _gst_riff_strf_auds gst_riff_strf_auds;
+typedef struct _gst_riff_strf_iavs gst_riff_strf_iavs;
+typedef struct _gst_riff_dmlh gst_riff_dmlh;
+typedef struct _GstRiffChunk GstRiffChunk;
+
+struct _GstRiffChunk {
+ gulong offset;
+
+ guint32 id;
+ guint32 size;
+ guint32 form; /* for list chunks */
+
+ gchar *data;
+};
+
+#endif /* __GST_RIFF_H__ */