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gst/matroska/: Ported matroska demuxer to 0.9.

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Original commit message from CVS:
* gst/matroska/Makefile.am:
* gst/matroska/ebml-read.c:
* gst/matroska/ebml-read.h:
* gst/matroska/matroska-demux.c:
* gst/matroska/matroska-demux.h:
* gst/matroska/matroska.c: (plugin_init):
Ported matroska demuxer to 0.9.
This commit is contained in:
Tim-Philipp Müller 2005-10-18 18:12:31 +00:00
parent 2b6838d77c
commit 66413b5f00
7 changed files with 1719 additions and 1270 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2005-10-18 Tim-Philipp Müller <tim at centricular dot net>
* gst/matroska/Makefile.am:
* gst/matroska/ebml-read.c:
* gst/matroska/ebml-read.h:
* gst/matroska/matroska-demux.c:
* gst/matroska/matroska-demux.h:
* gst/matroska/matroska.c: (plugin_init):
Ported matroska demuxer to 0.9.
2005-10-18 Michal Benes <michal dot benes at xeris dot cz>
Reviewed by: Tim-Philipp Müller <tim at centricular dot net>

5
gst/matroska/Makefile.am
View file

@ -1,13 +1,12 @@
plugin_LTLIBRARIES = libgstmatroska.la
libgstmatroska_la_SOURCES = \
ebml-read.c \
ebml-write.c \
matroska.c \
matroska-demux.c \
matroska-mux.c
# ebml-read.c
# matroska-demux.c
noinst_HEADERS = \
ebml-ids.h \
ebml-read.h \

486
gst/matroska/ebml-read.c
View file

@ -31,23 +31,24 @@
GST_DEBUG_CATEGORY_STATIC (ebmlread_debug);
#define GST_CAT_DEFAULT ebmlread_debug
enum
{
/* FILL ME */
LAST_SIGNAL
};
static void gst_ebml_read_class_init (GstEbmlReadClass * klass);
static void gst_ebml_read_init (GstEbmlRead * ebml);
static GstStateChangeReturn gst_ebml_read_change_state (GstElement * element,
GstStateChange transition);
static GstElementClass *parent_class = NULL;
/* convenience functions */
static gboolean gst_ebml_read_peek_bytes (GstEbmlRead * ebml, guint size,
GstBuffer ** p_buf);
static gboolean gst_ebml_read_pull_bytes (GstEbmlRead * ebml, guint size,
GstBuffer ** p_buf);
static GstElementClass *parent_class; /* NULL */
GType
gst_ebml_read_get_type (void)
{
static GType gst_ebml_read_type = 0;
static GType gst_ebml_read_type; /* 0 */
if (!gst_ebml_read_type) {
static const GTypeInfo gst_ebml_read_info = {
@ -75,111 +76,58 @@ gst_ebml_read_class_init (GstEbmlReadClass * klass)
{
GstElementClass *gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
parent_class = g_type_class_peek_parent (klass);
GST_DEBUG_CATEGORY_INIT (ebmlread_debug, "ebmlread",
0, "EBML stream helper class");
gstelement_class->change_state = gst_ebml_read_change_state;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_ebml_read_change_state);
}
static void
gst_ebml_read_init (GstEbmlRead * ebml)
{
ebml->sinkpad = NULL;
ebml->bs = NULL;
ebml->level = NULL;
ebml->id_cache = 0;
}
static GstStateChangeReturn
gst_ebml_read_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret;
GstEbmlRead *ebml = GST_EBML_READ (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!ebml->sinkpad)
return GST_STATE_CHANGE_FAILURE;
ebml->bs = gst_bytestream_new (ebml->sinkpad);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_bytestream_destroy (ebml->bs);
while (ebml->level) {
GstEbmlLevel *level = ebml->level->data;
ebml->level = g_list_remove (ebml->level, level);
g_free (level);
if (!ebml->sinkpad) {
g_return_val_if_reached (GST_STATE_CHANGE_FAILURE);
}
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
return GST_STATE_CHANGE_SUCCESS;
}
/*
* Event handler. Basic:
* - EOS: end-of-file, stop processing, forward EOS.
* - Interrupt: stop processing.
* - Discont: shouldn't be handled here but in the seek handler. Error.
* - Flush: ignore, since we check for flush flags manually. Don't forward.
* - Others: warn, ignore.
* Return value indicates whether to continue processing.
*/
static gboolean
gst_ebml_read_use_event (GstEbmlRead * ebml, GstEvent * event)
{
if (!event) {
GST_ELEMENT_ERROR (ebml, RESOURCE, READ, (NULL), (NULL));
return FALSE;
}
GST_LOG ("Received event of type %d", GST_EVENT_TYPE (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
gst_pad_event_default (ebml->sinkpad, event);
return FALSE;
case GST_EVENT_INTERRUPT:
gst_event_unref (event);
return FALSE;
case GST_EVENT_DISCONTINUOUS:
GST_WARNING_OBJECT (ebml, "Unexpected discont - might lose sync");
gst_event_unref (event);
return TRUE;
case GST_EVENT_FLUSH:
gst_event_unref (event);
return TRUE;
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
{
g_list_foreach (ebml->level, (GFunc) g_free, NULL);
g_list_free (ebml->level);
ebml->level = NULL;
if (ebml->cached_buffer) {
gst_buffer_unref (ebml->cached_buffer);
ebml->cached_buffer = NULL;
}
ebml->offset = 0;
break;
}
default:
GST_WARNING ("don't know how to handle event %d", GST_EVENT_TYPE (event));
gst_pad_event_default (ebml->sinkpad, event);
return FALSE;
break;
}
/* happy */
g_assert_not_reached ();
return FALSE;
}
static gboolean
gst_ebml_read_handle_event (GstEbmlRead * ebml)
{
GstEvent *event = NULL;
guint32 remaining;
gst_bytestream_get_status (ebml->bs, &remaining, &event);
return gst_ebml_read_use_event (ebml, event);
return ret;
}
/*
@ -193,7 +141,7 @@ static guint
gst_ebml_read_element_level_up (GstEbmlRead * ebml)
{
guint num = 0;
guint64 pos = gst_bytestream_tell (ebml->bs);
guint64 pos = ebml->offset;
while (ebml->level != NULL) {
GList *last = g_list_last (ebml->level);
@ -203,67 +151,129 @@ gst_ebml_read_element_level_up (GstEbmlRead * ebml)
ebml->level = g_list_remove (ebml->level, level);
g_free (level);
num++;
} else
} else {
break;
}
}
return num;
}
/*
* Calls pull_range for (offset,size) without advancing our offset
*/
static gboolean
gst_ebml_read_peek_bytes (GstEbmlRead * ebml, guint size, GstBuffer ** p_buf)
{
GstFlowReturn ret;
/* Caching here actually makes much less difference than one would expect.
* We do it mainly to avoid pulling buffers of 1 byte all the time */
if (ebml->cached_buffer) {
guint64 cache_offset = GST_BUFFER_OFFSET (ebml->cached_buffer);
guint cache_size = GST_BUFFER_SIZE (ebml->cached_buffer);
if (cache_offset <= ebml->offset &&
(ebml->offset + size) < (cache_offset + cache_size)) {
*p_buf = gst_buffer_create_sub (ebml->cached_buffer,
ebml->offset - cache_offset, size);
return TRUE;
}
gst_buffer_unref (ebml->cached_buffer);
ebml->cached_buffer = NULL;
}
if (gst_pad_pull_range (ebml->sinkpad, ebml->offset, MAX (size, 64 * 1024),
&ebml->cached_buffer) == GST_FLOW_OK &&
GST_BUFFER_SIZE (ebml->cached_buffer) >= size) {
*p_buf = gst_buffer_create_sub (ebml->cached_buffer, 0, size);
return TRUE;
}
ret = gst_pad_pull_range (ebml->sinkpad, ebml->offset, size, p_buf);
if (ret != GST_FLOW_OK) {
GST_DEBUG ("pull_range returned %d", ret);
return FALSE;
}
if (GST_BUFFER_SIZE (*p_buf) < size) {
GST_WARNING_OBJECT (ebml, "Dropping short buffer at offset %"
G_GUINT64_FORMAT ": wanted %u bytes, got %u bytes", ebml->offset,
size, GST_BUFFER_SIZE (*p_buf));
gst_buffer_unref (*p_buf);
*p_buf = NULL;
return FALSE;
}
return TRUE;
}
/*
* Calls pull_range for (offset,size) and advances our offset by size
*/
static gboolean
gst_ebml_read_pull_bytes (GstEbmlRead * ebml, guint size, GstBuffer ** p_buf)
{
if (!gst_ebml_read_peek_bytes (ebml, size, p_buf))
return FALSE;
ebml->offset += size;
return TRUE;
}
/*
* Read: the element content data ID.
* Return: the number of bytes read or -1 on error.
* Return: FALSE on error.
*/
static gint
static gboolean
gst_ebml_read_element_id (GstEbmlRead * ebml, guint32 * id, guint * level_up)
{
guint8 *data;
GstBuffer *buf;
gint len_mask = 0x80, read = 1, n = 1;
guint32 total;
guint8 b;
if (ebml->id_cache) {
*id = ebml->id_cache;
if (level_up)
*level_up = 0;
if (!gst_ebml_read_peek_bytes (ebml, 1, &buf))
return FALSE;
return 0;
}
b = GST_READ_UINT8 (GST_BUFFER_DATA (buf));
gst_buffer_unref (buf);
total = (guint32) b;
while (gst_bytestream_peek_bytes (ebml->bs, &data, 1) != 1) {
if (!gst_ebml_read_handle_event (ebml))
return -1;
}
total = data[0];
while (read <= 4 && !(total & len_mask)) {
read++;
len_mask >>= 1;
}
if (read > 4) {
guint64 pos = gst_bytestream_tell (ebml->bs);
guint64 pos = ebml->offset;
GST_ELEMENT_ERROR (ebml, STREAM, DEMUX, (NULL),
("Invalid EBML ID size tag (0x%x) at position %llu (0x%llx)",
data[0], pos, pos));
return -1;
(guint) b, pos, pos));
return FALSE;
}
while (gst_bytestream_peek_bytes (ebml->bs, &data, read) != read) {
if (!gst_ebml_read_handle_event (ebml))
return -1;
}
while (n < read)
total = (total << 8) | data[n++];
if (!gst_ebml_read_peek_bytes (ebml, read, &buf))
return FALSE;
*id = ebml->id_cache = total;
while (n < read) {
b = GST_READ_UINT8 (GST_BUFFER_DATA (buf) + n);
total = (total << 8) | b;
++n;
}
*id = total;
/* level */
if (level_up)
*level_up = gst_ebml_read_element_level_up (ebml);
gst_bytestream_flush_fast (ebml->bs, read);
gst_buffer_unref (buf);
return 0;
ebml->offset += read;
return TRUE;
}
/*
@ -274,141 +284,112 @@ gst_ebml_read_element_id (GstEbmlRead * ebml, guint32 * id, guint * level_up)
static gint
gst_ebml_read_element_length (GstEbmlRead * ebml, guint64 * length)
{
guint8 *data;
GstBuffer *buf;
gint len_mask = 0x80, read = 1, n = 1, num_ffs = 0;
guint64 total;
guint8 b;
if (!gst_ebml_read_peek_bytes (ebml, 1, &buf))
return -1;
b = GST_READ_UINT8 (GST_BUFFER_DATA (buf));
gst_buffer_unref (buf);
total = (guint64) b;
while (gst_bytestream_peek_bytes (ebml->bs, &data, 1) != 1) {
if (!gst_ebml_read_handle_event (ebml))
return -1;
}
total = data[0];
while (read <= 8 && !(total & len_mask)) {
read++;
len_mask >>= 1;
}
if (read > 8) {
guint64 pos = gst_bytestream_tell (ebml->bs);
guint64 pos = ebml->offset;
GST_ELEMENT_ERROR (ebml, STREAM, DEMUX, (NULL),
("Invalid EBML length size tag (0x%x) at position %llu (0x%llx)",
data[0], pos, pos));
(guint) b, pos, pos));
return -1;
}
if ((total &= (len_mask - 1)) == len_mask - 1)
num_ffs++;
while (gst_bytestream_peek_bytes (ebml->bs, &data, read) != read) {
if (!gst_ebml_read_handle_event (ebml))
return -1;
}
if (!gst_ebml_read_peek_bytes (ebml, read, &buf))
return -1;
while (n < read) {
if (data[n] == 0xff)
guint8 b = GST_READ_UINT8 (GST_BUFFER_DATA (buf) + n);
if (b == 0xff)
num_ffs++;
total = (total << 8) | data[n];
n++;
total = (total << 8) | b;
++n;
}
gst_buffer_unref (buf);
if (read == num_ffs)
*length = G_MAXUINT64;
else
*length = total;
ebml->offset += read;
return read;
}
/*
* Read: the actual data.
* Return: the data, as a GstBuffer.
*/
static GstBuffer *
gst_ebml_read_element_data (GstEbmlRead * ebml, guint64 length)
{
GstBuffer *buf = NULL;
if (gst_bytestream_peek (ebml->bs, &buf, length) != length) {
if (!gst_ebml_read_handle_event (ebml))
return NULL;
}
gst_bytestream_flush_fast (ebml->bs, length);
return buf;
}
/*
* Return: the ID of the next element.
* Level_up contains the amount of levels that this
* next element lies higher than the previous one.
*/
guint32
gst_ebml_peek_id (GstEbmlRead * ebml, guint * level_up)
gboolean
gst_ebml_peek_id (GstEbmlRead * ebml, guint * level_up, guint32 * id)
{
guint32 id;
guint64 off;
g_assert (level_up);
if (gst_ebml_read_element_id (ebml, &id, level_up) < 0)
return 0;
off = ebml->offset; /* save offset */
return id;
if (!gst_ebml_read_element_id (ebml, id, level_up))
return FALSE;
ebml->offset = off; /* restore offset */
return TRUE;
}
/*
* Return the length of the stream in bytes
*/
gint64
gst_ebml_read_get_length (GstEbmlRead * ebml)
{
GstFormat fmt = GST_FORMAT_BYTES;
gint64 pos, end;
if (!gst_pad_query_position (GST_PAD_PEER (ebml->sinkpad), &fmt, &pos, &end))
g_return_val_if_reached (0); ///// FIXME /////////
if (fmt != GST_FORMAT_BYTES || end < 0)
g_return_val_if_reached (0); ///// FIXME /////////
return end;
}
/*
* Seek to a given offset.
*/
GstEvent *
gboolean
gst_ebml_read_seek (GstEbmlRead * ebml, guint64 offset)
{
guint32 remaining;
GstEvent *event = NULL;
guchar *data;
if (offset >= gst_ebml_read_get_length (ebml))
return FALSE;
/* first, flush remaining buffers */
gst_bytestream_get_status (ebml->bs, &remaining, &event);
if (event) {
GST_WARNING ("Unexpected event before seek");
if (!gst_ebml_read_use_event (ebml, event))
return NULL;
event = NULL;
}
if (remaining)
gst_bytestream_flush_fast (ebml->bs, remaining);
ebml->offset = offset;
/* now seek */
if (!gst_bytestream_seek (ebml->bs, offset, GST_SEEK_METHOD_SET)) {
GST_ELEMENT_ERROR (ebml, RESOURCE, SEEK, (NULL),
("Seek to position %llu (0x%llx) failed", offset, offset));
return NULL;
}
while (!event) {
/* and now, peek a new byte. This will fail because there's a
* pending event. Then, take the event and return it. */
if (gst_bytestream_peek_bytes (ebml->bs, &data, 1)) {
GST_WARNING ("Unexpected data after seek - this means seek failed");
break;
}
/* get the discont event and return */
gst_bytestream_get_status (ebml->bs, &remaining, &event);
if (!event) {
GST_WARNING ("No discontinuity event after seek - seek failed");
break;
} else if (GST_EVENT_TYPE (event) != GST_EVENT_DISCONTINUOUS) {
if (!gst_ebml_read_use_event (ebml, event))
return NULL;
event = NULL;
}
}
/* at the end of a seek, we have no cached ID anymore */
ebml->id_cache = 0;
return event;
return TRUE;
}
/*
@ -418,74 +399,16 @@ gst_ebml_read_seek (GstEbmlRead * ebml, guint64 offset)
gboolean
gst_ebml_read_skip (GstEbmlRead * ebml)
{
gint bytes;
guint32 id, remaining;
guint64 length;
GstEvent *event;
if ((bytes = gst_ebml_read_element_id (ebml, &id, NULL)) < 0)
return FALSE;
gst_bytestream_flush_fast (ebml->bs, bytes);
if ((bytes = gst_ebml_read_element_length (ebml, &length)) < 0)
return FALSE;
gst_bytestream_flush_fast (ebml->bs, bytes);
/* do we have enough bytes left to skip? */
gst_bytestream_get_status (ebml->bs, &remaining, &event);
if (event) {
g_warning ("Unexpected event before skip");
if (!gst_ebml_read_use_event (ebml, event))
return FALSE;
}
if (remaining >= length) {
ebml->id_cache = 0;
gst_bytestream_flush_fast (ebml->bs, length);
return TRUE;
}
if (!(event = gst_ebml_read_seek (ebml,
gst_bytestream_tell (ebml->bs) + length))) {
return FALSE;
}
gst_event_unref (event);
ebml->id_cache = 0;
return TRUE;
}
/*
* Make sure there's one whole next chunk available
* for uninterrupted reading.
*/
gboolean
gst_ebml_read_reserve (GstEbmlRead * ebml)
{
guint64 length;
gint bytes;
guint8 *data;
guint32 id;
/* make sure the ID is cached */
if (gst_ebml_read_element_id (ebml, &id, NULL) < 0)
if (!gst_ebml_read_element_id (ebml, &id, NULL))
return FALSE;
/* now we can peek the length */
if ((bytes = gst_ebml_read_element_length (ebml, &length)) < 0)
if (gst_ebml_read_element_length (ebml, &length) < 0)
return FALSE;
length += bytes;
/* now check if we have that amount available */
while (gst_bytestream_peek_bytes (ebml->bs, &data, length) != length) {
if (!gst_ebml_read_handle_event (ebml))
return FALSE;
}
/* yes, available */
ebml->offset += length;
return TRUE;
}
@ -496,25 +419,24 @@ gst_ebml_read_reserve (GstEbmlRead * ebml)
gboolean
gst_ebml_read_buffer (GstEbmlRead * ebml, guint32 * id, GstBuffer ** buf)
{
gint bytes;
guint64 length;
if ((bytes = gst_ebml_read_element_id (ebml, id, NULL)) < 0)
if (!gst_ebml_read_element_id (ebml, id, NULL))
return FALSE;
gst_bytestream_flush_fast (ebml->bs, bytes);
if ((bytes = gst_ebml_read_element_length (ebml, &length)) < 0)
if (gst_ebml_read_element_length (ebml, &length) < 0)
return FALSE;
gst_bytestream_flush_fast (ebml->bs, bytes);
ebml->id_cache = 0;
if (length == 0) {
*buf = gst_buffer_new ();
return TRUE;
}
return ((*buf = gst_ebml_read_element_data (ebml, length)) != NULL);
*buf = NULL;
if (!gst_ebml_read_pull_bytes (ebml, (guint) length, buf))
return FALSE;
return TRUE;
}
/*
@ -686,7 +608,17 @@ gst_ebml_read_ascii (GstEbmlRead * ebml, guint32 * id, gchar ** str)
gboolean
gst_ebml_read_utf8 (GstEbmlRead * ebml, guint32 * id, gchar ** str)
{
return gst_ebml_read_ascii (ebml, id, str);
gboolean ret;
guint64 oldoff = ebml->offset;
ret = gst_ebml_read_ascii (ebml, id, str);
if (str != NULL && *str != NULL && **str != '\0' &&
!g_utf8_validate (*str, -1, NULL)) {
GST_WARNING ("Invalid UTF-8 string at offset %" G_GUINT64_FORMAT, oldoff);
}
return ret;
}
/*
@ -712,24 +644,20 @@ gst_ebml_read_date (GstEbmlRead * ebml, guint32 * id, gint64 * date)
gboolean
gst_ebml_read_master (GstEbmlRead * ebml, guint32 * id)
{
gint bytes;
guint64 length;
GstEbmlLevel *level;
guint64 length;
if ((bytes = gst_ebml_read_element_id (ebml, id, NULL)) < 0)
if (!gst_ebml_read_element_id (ebml, id, NULL))
return FALSE;
gst_bytestream_flush_fast (ebml->bs, bytes);
if ((bytes = gst_ebml_read_element_length (ebml, &length)) < 0)
if (gst_ebml_read_element_length (ebml, &length) < 0)
return FALSE;
gst_bytestream_flush_fast (ebml->bs, bytes);
/* remember level */
level = g_new (GstEbmlLevel, 1);
level->start = gst_bytestream_tell (ebml->bs);
level->start = ebml->offset;
level->length = length;
ebml->level = g_list_append (ebml->level, level);
ebml->id_cache = 0;
return TRUE;
}
@ -772,18 +700,20 @@ gst_ebml_read_header (GstEbmlRead * ebml, gchar ** doctype, guint * version)
if (version)
*version = 1;
if (!(id = gst_ebml_peek_id (ebml, &level_up)))
if (!gst_ebml_peek_id (ebml, &level_up, &id))
return FALSE;
GST_DEBUG_OBJECT (ebml, "id: %08x", GST_READ_UINT32_BE (&id));
if (level_up != 0 || id != GST_EBML_ID_HEADER) {
GST_ELEMENT_ERROR (ebml, STREAM, WRONG_TYPE, (NULL), (NULL));
return FALSE;
}
if (!gst_ebml_read_master (ebml, &id))
return FALSE;
g_assert (id == GST_EBML_ID_HEADER);
while (TRUE) {
if (!(id = gst_ebml_peek_id (ebml, &level_up)))
if (!gst_ebml_peek_id (ebml, &level_up, &id))
return FALSE;
/* end-of-header */

101
gst/matroska/ebml-read.h
View file

@ -22,9 +22,7 @@
#ifndef __GST_EBML_READ_H__
#define __GST_EBML_READ_H__
#include <glib.h>
#include <gst/gst.h>
#include <gst/bytestream/bytestream.h>
G_BEGIN_DECLS
@ -42,64 +40,77 @@ G_BEGIN_DECLS
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_EBML_READ, GstEbmlReadClass))
typedef struct _GstEbmlLevel {
guint64 start,
length;
guint64 start;
guint64 length;
} GstEbmlLevel;
typedef struct _GstEbmlRead {
GstElement parent;
GstBuffer *cached_buffer;
GstPad *sinkpad;
GstByteStream *bs;
guint64 offset;
GList *level;
/* cache of ID (peeking) */
guint32 id_cache;
} GstEbmlRead;
typedef struct _GstEbmlReadClass {
GstElementClass parent;
} GstEbmlReadClass;
GType gst_ebml_read_get_type (void);
GType gst_ebml_read_get_type (void);
guint32 gst_ebml_peek_id (GstEbmlRead *ebml,
guint *level_up);
GstEvent *gst_ebml_read_seek (GstEbmlRead *ebml,
guint64 offset);
gboolean gst_ebml_read_skip (GstEbmlRead *ebml);
gboolean gst_ebml_read_reserve (GstEbmlRead *ebml);
gboolean gst_ebml_read_buffer (GstEbmlRead *ebml,
guint32 *id,
GstBuffer **buf);
gboolean gst_ebml_read_uint (GstEbmlRead *ebml,
guint32 *id,
guint64 *num);
gboolean gst_ebml_read_sint (GstEbmlRead *ebml,
guint32 *id,
gint64 *num);
gboolean gst_ebml_read_float (GstEbmlRead *ebml,
guint32 *id,
gdouble *num);
gboolean gst_ebml_read_ascii (GstEbmlRead *ebml,
guint32 *id,
gchar **str);
gboolean gst_ebml_read_utf8 (GstEbmlRead *ebml,
guint32 *id,
gchar **str);
gboolean gst_ebml_read_date (GstEbmlRead *ebml,
guint32 *id,
gint64 *date);
gboolean gst_ebml_read_master (GstEbmlRead *ebml,
guint32 *id);
gboolean gst_ebml_read_binary (GstEbmlRead *ebml,
guint32 *id,
guint8 **binary,
guint64 *length);
gboolean gst_ebml_read_header (GstEbmlRead *read,
gchar **doctype,
guint *version);
gboolean gst_ebml_peek_id (GstEbmlRead *ebml,
guint *level_up,
guint32 *id);
gboolean gst_ebml_read_seek (GstEbmlRead *ebml,
guint64 offset);
gint64 gst_ebml_read_get_length (GstEbmlRead *ebml);
gboolean gst_ebml_read_skip (GstEbmlRead *ebml);
gboolean gst_ebml_read_buffer (GstEbmlRead *ebml,
guint32 *id,
GstBuffer **buf);
gboolean gst_ebml_read_uint (GstEbmlRead *ebml,
guint32 *id,
guint64 *num);
gboolean gst_ebml_read_sint (GstEbmlRead *ebml,
guint32 *id,
gint64 *num);
gboolean gst_ebml_read_float (GstEbmlRead *ebml,
guint32 *id,
gdouble *num);
gboolean gst_ebml_read_ascii (GstEbmlRead *ebml,
guint32 *id,
gchar **str);
gboolean gst_ebml_read_utf8 (GstEbmlRead *ebml,
guint32 *id,
gchar **str);
gboolean gst_ebml_read_date (GstEbmlRead *ebml,
guint32 *id,
gint64 *date);
gboolean gst_ebml_read_master (GstEbmlRead *ebml,
guint32 *id);
gboolean gst_ebml_read_binary (GstEbmlRead *ebml,
guint32 *id,
guint8 **binary,
guint64 *length);
gboolean gst_ebml_read_header (GstEbmlRead *read,
gchar **doctype,
guint *version);
G_END_DECLS

2338
gst/matroska/matroska-demux.c
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File diff suppressed because it is too large Load diff

46
gst/matroska/matroska-demux.h
View file

@ -23,7 +23,6 @@
#define __GST_MATROSKA_DEMUX_H__
#include <gst/gst.h>
#include <gst/bytestream/bytestream.h>
#include "ebml-read.h"
#include "matroska-ids.h"
@ -56,50 +55,57 @@ typedef struct _GstMatroskaDemuxIndex {
} GstMatroskaDemuxIndex;
typedef struct _GstMatroskaDemux {
GstEbmlRead parent;
GstEbmlRead parent;
/* pads */
GstPad *sinkpad;
GstPad *sinkpad;
GstMatroskaTrackContext *src[GST_MATROSKA_DEMUX_MAX_STREAMS];
guint num_streams,
num_v_streams, num_a_streams, num_t_streams;
GstClock *clock;
GstClock *clock;
guint num_streams;
guint num_v_streams;
guint num_a_streams;
guint num_t_streams;
/* metadata */
gchar *muxing_app, *writing_app;
gint64 created;
gchar *muxing_app;
gchar *writing_app;
gint64 created;
/* state */
GstMatroskaDemuxState state;
guint level_up;
GstMatroskaDemuxState state;
guint level_up;
/* did we parse metadata/cues already? */
gboolean metadata_parsed,
index_parsed;
gboolean metadata_parsed;
gboolean index_parsed;
/* start-of-segment */
guint64 segment_start;
guint64 ebml_segment_start;
/* a cue (index) table */
GstMatroskaIndex *index;
guint num_indexes;
GstMatroskaIndex *index;
guint num_indexes;
/* timescale in the file */
guint64 time_scale;
guint64 time_scale;
/* length, position (time, ns) */
guint64 duration, pos;
guint64 pos;
guint64 duration;
/* a possible pending seek */
guint64 seek_pending;
gboolean seek_pending;
gdouble segment_rate;
gint64 segment_start;
gint64 segment_stop;
gboolean segment_play;
} GstMatroskaDemux;
typedef struct _GstMatroskaDemuxClass {
GstEbmlReadClass parent;
} GstMatroskaDemuxClass;
GType gst_matroska_demux_get_type (void);
gboolean gst_matroska_demux_plugin_init (GstPlugin *plugin);
G_END_DECLS

4
gst/matroska/matroska.c
View file

@ -23,13 +23,13 @@
#include "config.h"
#endif
/* #include "matroska-demux.h" */
#include "matroska-demux.h"
#include "matroska-mux.h"
static gboolean
plugin_init (GstPlugin * plugin)
{
return /* gst_matroska_demux_plugin_init (plugin) && */
return gst_matroska_demux_plugin_init (plugin) &&
gst_matroska_mux_plugin_init (plugin);
}