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Add a local copy of riff.h as we don't use rifflib anymore.

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Original commit message from CVS:
Add a local copy of riff.h as we don't use rifflib anymore.
Rewrite the main loop to use bytestreams instead of rifflib. Make it a loopbased
filter.
Handle metadata, cues and labels as well
This commit is contained in:
Iain Holmes 2003-10-29 23:50:00 +00:00
parent d16f5e38df
commit 441894e1ef
3 changed files with 997 additions and 301 deletions
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829
gst/wavparse/gstwavparse.c
View file

@ -1,3 +1,4 @@
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2 -*- */
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
@ -43,8 +44,8 @@ static gboolean gst_wavparse_pad_convert (GstPad *pad,
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);
@ -175,6 +176,8 @@ gst_wavparse_class_init (GstWavParseClass *klass)
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);
@ -196,17 +199,20 @@ gst_wavparse_init (GstWavParse *wavparse)
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
@ -230,39 +236,226 @@ gst_wavparse_get_property (GObject *object,
}
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) {
temp_chunk = (gst_riff_chunk *) data;
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) {
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";
@ -321,311 +514,384 @@ demux_metadata (GstWavParse *wavparse,
break;
default:
g_print ("Unknown: %4.4s\n", (char *) &chunk.id);
type = NULL;
break;
}
if (type) {
entry = gst_props_entry_new (type, GST_PROPS_STRING (name));
gst_props_add_entry (props, entry);
}
g_free (name);
if (type) {
GstPropsEntry *entry;
entry = gst_props_entry_new (type, GST_PROPS_STRING (name));
gst_props_add_entry (wavparse->metadata->properties, entry);
}
}
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)
{
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;
while (len > 0) {
got_bytes = gst_bytestream_peek_bytes (bs, &tempdata, sizeof (struct _gst_riff_cue));
temp_cue = (struct _gst_riff_cue *) tempdata;
/* 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;
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)
{
GstWavParse *wavparse;
GstWavParseFormat *format;
GstCaps *caps = NULL;
wavparse = GST_WAVPARSE (data);
guint8 *fmtdata;
GstByteStream *bs = wavparse->bs;
guint32 got_bytes;
GST_DEBUG("new tag " GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS(chunk->id));
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);
switch (chunk->id) {
case GST_RIFF_TAG_fmt:
/* we can gather format information now */
format = (GstWavParseFormat *)((guchar *) GST_BUFFER_DATA (wavparse->buf) + chunk->offset);
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;
case GST_RIFF_TAG_LIST:
if (strncmp (chunk->data, "INFO", 4) == 0) {
/* We got metadata */
demux_metadata (wavparse, chunk->data + 4, chunk->size - 4);
}
break;
default:
break;
wavparse->rate, wavparse->channels);
}
}
static void
gst_wavparse_chain (GstPad *pad, GstData *_data)
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_loop (GstElement *element)
{
GstBuffer *buf = GST_BUFFER (_data);
GstWavParse *wavparse;
gboolean buffer_riffed = FALSE; /* so we don't parse twice */
gulong size;
gst_riff_riff chunk;
guint32 flush = 0;
guint32 got_bytes;
GstByteStream *bs;
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 (element);
wavparse = GST_WAVPARSE (gst_pad_get_parent (pad));
GST_DEBUG ("gst_wavparse_chain: got buffer in '%s'",
gst_object_get_name (GST_OBJECT (wavparse)));
bs = wavparse->bs;
size = GST_BUFFER_SIZE (buf);
wavparse->buf = buf;
/* 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");
}
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 (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->dataleft > 0) {
desired = MIN (wavparse->dataleft, MAX_BUFFER_SIZE);
got_bytes = gst_bytestream_peek (bs, &buf, desired);
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->need_discont = FALSE;
}
gst_pad_push (wavparse->srcpad, GST_DATA (buf));
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 {
gst_buffer_unref (buf);
wavparse->state = GST_WAVPARSE_OTHER;
}
}
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;
}
}
chunk.id = GUINT32_FROM_LE (temp_chunk->id);
chunk.size = GUINT32_FROM_LE (temp_chunk->size);
wavparse->offset += size;
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;
return;
}
default:
skipsize = sizeof (gst_riff_chunk);
break;
}
gst_bytestream_flush (bs, skipsize);
} while (FALSE);
if (wavparse->state == GST_WAVPARSE_OTHER) {
GST_DEBUG ("we're in unknown territory here, not passing on");
/* need to flush an even number of bytes at the end */
flush = (chunk.size + 1) & ~1;
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);
/* 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);
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;
/* 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;
}
/* 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;
}
}
/* we're now looking for the 'fmt ' chunk to get the audio info */
if (wavparse->state == GST_WAVPARSE_CHUNK_FMT) {
GST_DEBUG ("GstWavParse: looking for fmt chunk");
/* 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;
}
return;
}
/* now we look for the data chunk */
if (wavparse->state == GST_WAVPARSE_CHUNK_DATA) {
GstRiffChunk *datachunk;
GST_DEBUG ("GstWavParse: looking for data chunk");
/* 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 */
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;
/* now we construct a new buffer for the remainder */
subsize = size - datachunk->offset;
GST_DEBUG ("sending last %ld bytes along as audio", subsize);
flush = 0;
break;
case GST_RIFF_TAG_fmt:
gst_wavparse_parse_fmt (wavparse);
break;
newbuf = gst_buffer_create_sub (buf, datachunk->offset, subsize);
gst_buffer_unref (buf);
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;
GST_BUFFER_TIMESTAMP (newbuf) = 0;
break;
case GST_RIFF_LIST_adtl:
gst_wavparse_parse_adtl (wavparse, chunk.size - 4);
flush = 0;
break;
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;
default:
flush = 0;
break;
}
flush = 0;
break;
}
case GST_WAVPARSE_DATA:
/* Should have been handled up there ^^^^ */
flush = 0;
break;
default:
/* Unknown */
GST_DEBUG (" ***** unknown chunkid %08x", chunk.id);
break;
}
gst_buffer_unref (buf);
if (flush > 0) {
gboolean res;
res = gst_bytestream_flush (bs, flush);
if (!res) {
guint32 remaining;
GstEvent *event;
gst_bytestream_get_status (bs, &remaining, &event);
gst_event_unref (event);
}
}
}
/* convert and query stuff */
@ -752,6 +1018,7 @@ gst_wavparse_get_event_masks (GstPad *pad)
static gboolean
gst_wavparse_srcpad_event (GstPad *pad, GstEvent *event)
{
#if 0
GstWavParse *wavparse = GST_WAVPARSE (GST_PAD_PARENT (pad));
gboolean res = FALSE;
@ -779,21 +1046,10 @@ gst_wavparse_srcpad_event (GstPad *pad, GstEvent *event)
&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;
}
@ -803,6 +1059,9 @@ gst_wavparse_srcpad_event (GstPad *pad, GstEvent *event)
gst_event_unref (event);
return res;
#else
return FALSE;
#endif
}
static GstElementStateReturn
@ -814,19 +1073,21 @@ gst_wavparse_change_state (GstElement *element)
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;
@ -843,7 +1104,7 @@ plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
if(!gst_library_load("gstriff")){
if (!gst_library_load ("gstbytestream")) {
return FALSE;
}

29
gst/wavparse/gstwavparse.h
View file

@ -24,8 +24,8 @@
#include <config.h>
#include <gst/gst.h>
#include <gst/riff/riff.h>
#include <riff.h>
#include <gst/gstbytestream.h>
#ifdef __cplusplus
extern "C" {
@ -45,10 +45,9 @@ extern "C" {
#define GST_WAVPARSE_UNKNOWN 0 /* initialized state */
#define GST_WAVPARSE_CHUNK_FMT 1 /* searching for fmt */
#define GST_WAVPARSE_CHUNK_DATA 2 /* searching for data */
#define GST_WAVPARSE_DATA 3 /* in data region */
#define GST_WAVPARSE_OTHER 4 /* in unknown region */
#define GST_WAVPARSE_START 1 /* At the start */
#define GST_WAVPARSE_DATA 2 /* in data region */
#define GST_WAVPARSE_OTHER 3 /* in unknown region */
typedef struct _GstWavParse GstWavParse;
typedef struct _GstWavParseClass GstWavParseClass;
@ -56,19 +55,13 @@ typedef struct _GstWavParseClass GstWavParseClass;
struct _GstWavParse {
GstElement element;
GstByteStream *bs;
/* pads */
GstPad *sinkpad,*srcpad;
/* WAVE decoding state */
gint state;
/* RIFF decoding state */
GstRiff *riff;
gulong riff_nextlikely;
/* expected length of audio */
gulong size;
/* format of audio, see defines below */
gint format;
@ -78,10 +71,12 @@ struct _GstWavParse {
gint channels;
gint width;
gint64 offset;
gint64 datastart;
gboolean need_discont;
int dataleft;
int byteoffset;
gboolean seek_pending;
guint64 seek_offset;
GstBuffer *buf;
GstCaps *metadata;

440
gst/wavparse/riff.h Normal file
View file

@ -0,0 +1,440 @@
/* 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__ */