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gstreamer/gst/realmedia/rmdemux.c
Stéphane Loeuillet a74cdc5f34 first batch : remove ',' at end of enums as they could confuse older gcc, foreign compilers (forte) and gtk-doc 
Original commit message from CVS:

first batch :
remove ',' at end of enums as they could confuse older gcc, foreign compilers (forte) and gtk-doc
2004-05-21 22:39:29 +00:00

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2003> David A. Schleef <ds@schleef.org>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "rmdemux.h"
#include <string.h>
#include <zlib.h>
#define RMDEMUX_GUINT32_GET(a) GST_READ_UINT32_BE(a)
#define RMDEMUX_GUINT16_GET(a) GST_READ_UINT16_BE(a)
#define RMDEMUX_FOURCC_GET(a) GST_READ_UINT32_LE(a)
typedef struct _GstRMDemuxIndex GstRMDemuxIndex;
struct _GstRMDemuxStream
{
guint32 subtype;
guint32 fourcc;
int id;
GstCaps *caps;
GstPad *pad;
int n_samples;
int timescale;
int sample_index;
GstRMDemuxIndex *index;
int index_length;
int width;
int height;
double rate;
int n_channels;
};
struct _GstRMDemuxIndex
{
int unknown;
guint32 offset;
int timestamp;
int frame;
};
enum GstRMDemuxState
{
RMDEMUX_STATE_NULL,
RMDEMUX_STATE_HEADER,
RMDEMUX_STATE_HEADER_SEEKING,
RMDEMUX_STATE_SEEKING,
RMDEMUX_STATE_PLAYING,
RMDEMUX_STATE_SEEKING_EOS,
RMDEMUX_STATE_EOS
};
enum GstRMDemuxStreamType
{
GST_RMDEMUX_STREAM_UNKNOWN,
GST_RMDEMUX_STREAM_VIDEO,
GST_RMDEMUX_STREAM_AUDIO,
GST_RMDEMUX_STREAM_FILEINFO
};
static GstElementDetails gst_rmdemux_details = {
"RealMedia Demuxer",
"Codec/Demuxer",
"Demultiplex a RealMedia file into audio and video streams",
"David Schleef <ds@schleef.org>"
};
enum
{
LAST_SIGNAL
};
enum
{
ARG_0
};
static GstStaticPadTemplate gst_rmdemux_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-pn-realvideo")
);
static GstStaticPadTemplate gst_rmdemux_videosrc_template =
GST_STATIC_PAD_TEMPLATE ("video_%02d",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate gst_rmdemux_audiosrc_template =
GST_STATIC_PAD_TEMPLATE ("audio_%02d",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS_ANY);
static GstElementClass *parent_class = NULL;
static void gst_rmdemux_class_init (GstRMDemuxClass * klass);
static void gst_rmdemux_base_init (GstRMDemuxClass * klass);
static void gst_rmdemux_init (GstRMDemux * rmdemux);
static GstElementStateReturn gst_rmdemux_change_state (GstElement * element);
static void gst_rmdemux_loop (GstElement * element);
static gboolean gst_rmdemux_handle_sink_event (GstRMDemux * rmdemux);
//static GstCaps *gst_rmdemux_video_caps(GstRMDemux *rmdemux, guint32 fourcc);
//static GstCaps *gst_rmdemux_audio_caps(GstRMDemux *rmdemux, guint32 fourcc);
static void gst_rmdemux_parse__rmf (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_parse_prop (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_parse_mdpr (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_parse_indx (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_parse_data (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_parse_cont (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_dump__rmf (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_dump_prop (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_dump_mdpr (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_dump_indx (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_dump_data (GstRMDemux * rmdemux, void *data,
int length);
static void gst_rmdemux_dump_cont (GstRMDemux * rmdemux, void *data,
int length);
static GstRMDemuxStream *gst_rmdemux_get_stream_by_id (GstRMDemux * rmdemux,
int id);
static GType
gst_rmdemux_get_type (void)
{
static GType rmdemux_type = 0;
if (!rmdemux_type) {
static const GTypeInfo rmdemux_info = {
sizeof (GstRMDemuxClass),
(GBaseInitFunc) gst_rmdemux_base_init, NULL,
(GClassInitFunc) gst_rmdemux_class_init,
NULL, NULL, sizeof (GstRMDemux), 0,
(GInstanceInitFunc) gst_rmdemux_init,
};
rmdemux_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRMDemux", &rmdemux_info,
0);
}
return rmdemux_type;
}
static void
gst_rmdemux_base_init (GstRMDemuxClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rmdemux_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rmdemux_videosrc_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rmdemux_audiosrc_template));
gst_element_class_set_details (element_class, &gst_rmdemux_details);
}
static void
gst_rmdemux_class_init (GstRMDemuxClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gstelement_class->change_state = gst_rmdemux_change_state;
}
static void
gst_rmdemux_init (GstRMDemux * rmdemux)
{
rmdemux->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rmdemux_sink_template), "sink");
gst_element_set_loop_function (GST_ELEMENT (rmdemux), gst_rmdemux_loop);
gst_element_add_pad (GST_ELEMENT (rmdemux), rmdemux->sinkpad);
}
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_library_load ("gstbytestream"))
return FALSE;
return gst_element_register (plugin, "rmdemux",
GST_RANK_PRIMARY, GST_TYPE_RMDEMUX);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"rmdemux",
"Realmedia stream demuxer",
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
static gboolean gst_rmdemux_handle_sink_event (GstRMDemux * rmdemux)
{
guint32 remaining;
GstEvent *event;
GstEventType type;
gst_bytestream_get_status (rmdemux->bs, &remaining, &event);
type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
GST_DEBUG ("rmdemux: event %p %d", event, type);
switch (type) {
case GST_EVENT_EOS:
gst_bytestream_flush (rmdemux->bs, remaining);
//gst_pad_event_default(rmdemux->sinkpad, event);
return FALSE;
case GST_EVENT_FLUSH:
g_warning ("flush event");
break;
case GST_EVENT_DISCONTINUOUS:
GST_DEBUG ("discontinuous event\n");
//gst_bytestream_flush_fast(rmdemux->bs, remaining);
break;
default:
g_warning ("unhandled event %d", type);
break;
}
gst_event_unref (event);
return TRUE;
}
static GstElementStateReturn
gst_rmdemux_change_state (GstElement * element)
{
GstRMDemux *rmdemux = GST_RMDEMUX (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
rmdemux->bs = gst_bytestream_new (rmdemux->sinkpad);
rmdemux->state = RMDEMUX_STATE_HEADER;
/* FIXME */
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
gst_bytestream_destroy (rmdemux->bs);
break;
case GST_STATE_READY_TO_NULL:
break;
default:
break;
}
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
}
static void
gst_rmdemux_loop (GstElement * element)
{
GstRMDemux *rmdemux = GST_RMDEMUX (element);
guint8 *data;
guint32 length;
guint32 fourcc;
GstBuffer *buf;
//int offset;
int cur_offset;
//int size;
int ret;
int rlen;
int debug = 0;
/* FIXME _tell gets the offset wrong */
//cur_offset = gst_bytestream_tell(rmdemux->bs);
cur_offset = rmdemux->offset;
GST_DEBUG ("loop at position %d, state %d", cur_offset, rmdemux->state);
if (rmdemux->length == 0) {
rmdemux->length = gst_bytestream_length (rmdemux->bs);
}
switch (rmdemux->state) {
case RMDEMUX_STATE_HEADER:
{
do {
ret = gst_bytestream_peek_bytes (rmdemux->bs, &data, 16);
if (ret < 16) {
if (!gst_rmdemux_handle_sink_event (rmdemux)) {
return;
}
} else {
break;
}
} while (1);
fourcc = RMDEMUX_FOURCC_GET (data + 0);
length = RMDEMUX_GUINT32_GET (data + 4);
g_print ("fourcc " GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fourcc));
g_print ("length %08x\n", length);
rlen = MIN (length, 4096);
switch (fourcc) {
case GST_MAKE_FOURCC ('.', 'R', 'M', 'F'):
gst_bytestream_read (rmdemux->bs, &buf, length);
data = GST_BUFFER_DATA (buf);
if (debug)
gst_rmdemux_dump__rmf (rmdemux, data + 8, rlen);
gst_rmdemux_parse__rmf (rmdemux, data + 8, rlen);
break;
case GST_MAKE_FOURCC ('P', 'R', 'O', 'P'):
gst_bytestream_read (rmdemux->bs, &buf, length);
data = GST_BUFFER_DATA (buf);
if (debug)
gst_rmdemux_dump_prop (rmdemux, data + 8, rlen);
gst_rmdemux_parse_prop (rmdemux, data + 8, rlen);
break;
case GST_MAKE_FOURCC ('M', 'D', 'P', 'R'):
gst_bytestream_read (rmdemux->bs, &buf, length);
data = GST_BUFFER_DATA (buf);
if (debug)
gst_rmdemux_dump_mdpr (rmdemux, data + 8, rlen);
gst_rmdemux_parse_mdpr (rmdemux, data + 8, rlen);
break;
case GST_MAKE_FOURCC ('I', 'N', 'D', 'X'):
gst_bytestream_read (rmdemux->bs, &buf, length);
data = GST_BUFFER_DATA (buf);
if (debug)
gst_rmdemux_dump_indx (rmdemux, data + 8, rlen);
gst_rmdemux_parse_indx (rmdemux, data + 8, rlen);
break;
case GST_MAKE_FOURCC ('D', 'A', 'T', 'A'):
rmdemux->data_offset = rmdemux->offset + 10;
if (debug)
gst_rmdemux_dump_data (rmdemux, data + 8, rlen);
gst_rmdemux_parse_data (rmdemux, data + 8, rlen);
break;
case GST_MAKE_FOURCC ('C', 'O', 'N', 'T'):
gst_bytestream_read (rmdemux->bs, &buf, length);
data = GST_BUFFER_DATA (buf);
if (debug)
gst_rmdemux_dump_cont (rmdemux, data + 8, rlen);
gst_rmdemux_parse_cont (rmdemux, data + 8, rlen);
break;
default:
g_print ("unknown fourcc " GST_FOURCC_FORMAT "\n",
GST_FOURCC_ARGS (fourcc));
break;
}
rmdemux->offset += length;
if (rmdemux->offset < rmdemux->length) {
ret = gst_bytestream_seek (rmdemux->bs, rmdemux->offset,
GST_SEEK_METHOD_SET);
} else {
rmdemux->offset = rmdemux->data_offset + 8;
rmdemux->state = RMDEMUX_STATE_PLAYING;
ret = gst_bytestream_seek (rmdemux->bs, rmdemux->offset,
GST_SEEK_METHOD_SET);
}
break;
}
case RMDEMUX_STATE_SEEKING_EOS:
{
guint8 *data;
int i;
for (i = 0; i < rmdemux->n_streams; i++) {
GstPad *pad = rmdemux->streams[i]->pad;
if (pad) {
gst_pad_push (pad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
}
}
ret = gst_bytestream_peek_bytes (rmdemux->bs, &data, 1);
if (ret < 1) {
gst_rmdemux_handle_sink_event (rmdemux);
} else {
/* didn't expect this */
g_warning ("expected EOS event");
}
gst_element_set_eos (element);
rmdemux->state = RMDEMUX_STATE_EOS;
return;
}
case RMDEMUX_STATE_EOS:
g_warning ("spinning in EOS\n");
return;
case RMDEMUX_STATE_PLAYING:
{
int id, timestamp, unknown1;
GstRMDemuxStream *stream;
GstBuffer *buffer;
do {
ret = gst_bytestream_peek_bytes (rmdemux->bs, &data, 10);
if (ret < 10) {
if (!gst_rmdemux_handle_sink_event (rmdemux)) {
return;
}
} else {
break;
}
} while (1);
length = RMDEMUX_GUINT32_GET (data + 0);
id = RMDEMUX_GUINT16_GET (data + 4);
timestamp = RMDEMUX_GUINT32_GET (data + 6);
unknown1 = RMDEMUX_GUINT16_GET (data + 10);
g_print ("length %d stream id %d timestamp %d unknown %d\n",
length, id, timestamp, unknown1);
gst_bytestream_flush (rmdemux->bs, 12);
gst_bytestream_read (rmdemux->bs, &buffer, length - 12);
stream = gst_rmdemux_get_stream_by_id (rmdemux, id);
if (stream->pad) {
gst_pad_push (stream->pad, GST_DATA (buffer));
}
rmdemux->chunk_index++;
g_print ("chunk_index %d n_chunks %d\n", rmdemux->chunk_index,
rmdemux->n_chunks);
if (rmdemux->chunk_index < rmdemux->n_chunks) {
rmdemux->offset += length;
ret = gst_bytestream_seek (rmdemux->bs, rmdemux->offset,
GST_SEEK_METHOD_SET);
} else {
ret = gst_bytestream_seek (rmdemux->bs, 0, GST_SEEK_METHOD_END);
g_print ("seek to end returned %d\n", ret);
rmdemux->state = RMDEMUX_STATE_SEEKING_EOS;
}
break;
}
default:
/* unreached */
g_assert (0);
}
}
static GstRMDemuxStream *
gst_rmdemux_get_stream_by_id (GstRMDemux * rmdemux, int id)
{
int i;
GstRMDemuxStream *stream;
for (i = 0; i < rmdemux->n_streams; i++) {
stream = rmdemux->streams[i];
if (stream->id == id) {
return stream;
}
}
return NULL;
}
void
gst_rmdemux_add_stream (GstRMDemux * rmdemux, GstRMDemuxStream * stream)
{
if (stream->subtype == GST_RMDEMUX_STREAM_VIDEO) {
stream->pad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rmdemux_videosrc_template), g_strdup_printf ("video_%02d",
rmdemux->n_video_streams));
if (stream->caps) {
gst_caps_set_simple (stream->caps,
"width", G_TYPE_INT, stream->width,
"height", G_TYPE_INT, stream->height, NULL);
}
rmdemux->n_video_streams++;
} else if (stream->subtype == GST_RMDEMUX_STREAM_AUDIO) {
stream->pad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rmdemux_audiosrc_template), g_strdup_printf ("audio_%02d",
rmdemux->n_audio_streams));
stream->caps = gst_caps_new_simple ("audio/x-ac3", NULL);
gst_caps_set_simple (stream->caps,
"rate", G_TYPE_INT, (int) stream->rate,
"channels", G_TYPE_INT, stream->n_channels, NULL);
rmdemux->n_audio_streams++;
} else {
g_print ("not adding stream of type %d\n", stream->subtype);
}
GST_PAD_ELEMENT_PRIVATE (stream->pad) = stream;
rmdemux->streams[rmdemux->n_streams] = stream;
rmdemux->n_streams++;
g_print ("n_streams is now %d\n", rmdemux->n_streams);
if (stream->pad) {
gst_pad_use_explicit_caps (stream->pad);
GST_DEBUG ("setting caps: " GST_PTR_FORMAT, stream->caps);
gst_pad_set_explicit_caps (stream->pad, stream->caps);
GST_DEBUG ("adding pad %p to rmdemux %p", stream->pad, rmdemux);
gst_element_add_pad (GST_ELEMENT (rmdemux), stream->pad);
}
}
#if 0
static GstCaps *
gst_rmdemux_video_caps (GstRMDemux * rmdemux, guint32 fourcc)
{
return NULL;
}
static GstCaps *
gst_rmdemux_audio_caps (GstRMDemux * rmdemux, guint32 fourcc)
{
return NULL;
}
#endif
static void
re_hexdump_bytes (guint8 * ptr, int len, int offset)
{
guint8 *end = ptr + len;
int i;
while (1) {
if (ptr >= end)
return;
g_print ("%08x: ", offset);
for (i = 0; i < 16; i++) {
if (ptr + i >= end) {
g_print (" ");
} else {
g_print ("%02x ", ptr[i]);
}
}
for (i = 0; i < 16; i++) {
if (ptr + i >= end) {
g_print (" ");
} else {
g_print ("%c", g_ascii_isprint (ptr[i]) ? ptr[i] : '.');
}
}
g_print ("\n");
ptr += 16;
offset += 16;
}
}
static int
re_dump_pascal_string (guint8 * ptr)
{
int length;
length = ptr[0];
g_print ("string: %.*s\n", length, (char *) ptr + 1);
return length + 1;
}
static char *
re_get_pascal_string (guint8 * ptr)
{
int length;
length = ptr[0];
return g_strndup (ptr + 1, length);
}
static int
re_skip_pascal_string (guint8 * ptr)
{
int length;
length = ptr[0];
return length + 1;
}
static void
gst_rmdemux_parse__rmf (GstRMDemux * rmdemux, void *data, int length)
{
}
static void
gst_rmdemux_dump__rmf (GstRMDemux * rmdemux, void *data, int length)
{
g_print ("version: %d\n", RMDEMUX_GUINT16_GET (data + 0));
g_print ("unknown: %d\n", RMDEMUX_GUINT32_GET (data + 2));
g_print ("unknown: %d\n", RMDEMUX_GUINT32_GET (data + 6));
g_print ("\n");
}
static void
gst_rmdemux_parse_prop (GstRMDemux * rmdemux, void *data, int length)
{
rmdemux->duration = RMDEMUX_GUINT32_GET (data + 22);
}
static void
gst_rmdemux_dump_prop (GstRMDemux * rmdemux, void *data, int length)
{
g_print ("version: %d\n", RMDEMUX_GUINT16_GET (data + 0));
g_print ("max bitrate: %d\n", RMDEMUX_GUINT32_GET (data + 2));
g_print ("avg bitrate: %d\n", RMDEMUX_GUINT32_GET (data + 6));
g_print ("max packet size: %d\n", RMDEMUX_GUINT32_GET (data + 10));
g_print ("avg packet size: %d\n", RMDEMUX_GUINT32_GET (data + 14));
g_print ("number of packets: %d\n", RMDEMUX_GUINT32_GET (data + 18));
g_print ("duration: %d\n", RMDEMUX_GUINT32_GET (data + 22));
g_print ("preroll: %d\n", RMDEMUX_GUINT32_GET (data + 26));
g_print ("offset of INDX section: 0x%08x\n", RMDEMUX_GUINT32_GET (data + 30));
g_print ("offset of data section: 0x%08x\n", RMDEMUX_GUINT32_GET (data + 34));
g_print ("n streams: %d\n", RMDEMUX_GUINT16_GET (data + 38));
g_print ("flags: 0x%04x\n", RMDEMUX_GUINT16_GET (data + 40));
g_print ("\n");
}
static void
gst_rmdemux_parse_mdpr (GstRMDemux * rmdemux, void *data, int length)
{
GstRMDemuxStream *stream;
char *stream1_type_string;
char *stream2_type_string;
int stream_type;
int offset;
stream = g_new0 (GstRMDemuxStream, 1);
stream->id = RMDEMUX_GUINT16_GET (data + 2);
offset = 32;
stream_type = GST_RMDEMUX_STREAM_UNKNOWN;
stream1_type_string = re_get_pascal_string (data + offset);
offset += re_skip_pascal_string (data + offset);
stream2_type_string = re_get_pascal_string (data + offset);
offset += re_skip_pascal_string (data + offset);
if (strcmp (stream1_type_string, "Video Stream") == 0) {
stream_type = GST_RMDEMUX_STREAM_VIDEO;
} else if (strcmp (stream1_type_string, "Audio Stream") == 0) {
stream_type = GST_RMDEMUX_STREAM_AUDIO;
} else if (strcmp (stream1_type_string, "") == 0 &&
strcmp (stream2_type_string, "logical-fileinfo") == 0) {
stream_type = GST_RMDEMUX_STREAM_FILEINFO;
} else {
stream_type = GST_RMDEMUX_STREAM_UNKNOWN;
g_print ("unknown stream type \"%s\",\"%s\"\n", stream1_type_string,
stream2_type_string);
}
g_free (stream1_type_string);
g_free (stream2_type_string);
offset += 4;
stream->subtype = stream_type;
switch (stream_type) {
case GST_RMDEMUX_STREAM_VIDEO:
stream->fourcc = RMDEMUX_FOURCC_GET (data + offset + 8);
stream->width = RMDEMUX_GUINT16_GET (data + offset + 12);
stream->height = RMDEMUX_GUINT16_GET (data + offset + 14);
stream->rate = RMDEMUX_GUINT16_GET (data + offset + 16);
break;
case GST_RMDEMUX_STREAM_AUDIO:
stream->fourcc = RMDEMUX_FOURCC_GET (data + offset + 8);
stream->rate = RMDEMUX_GUINT32_GET (data + offset + 48);
break;
case GST_RMDEMUX_STREAM_FILEINFO:
{
int end;
int length;
length = RMDEMUX_GUINT32_GET (data + offset);
end = offset + length;
offset += 4;
//re_hexdump_bytes(data + offset,14,offset);
offset += 14;
offset += re_dump_pascal_string (data + offset);
//re_hexdump_bytes(data + offset,10,offset);
offset += 10;
while (offset < end) {
//re_hexdump_bytes(data + offset,6,offset);
offset += 6;
offset += re_dump_pascal_string (data + offset);
//re_hexdump_bytes(data + offset,5,offset);
offset += 5;
offset += re_dump_pascal_string (data + offset);
}
}
break;
case GST_RMDEMUX_STREAM_UNKNOWN:
default:
break;
}
gst_rmdemux_add_stream (rmdemux, stream);
}
static void
gst_rmdemux_dump_mdpr (GstRMDemux * rmdemux, void *data, int length)
{
int offset = 0;
char *stream_type;
guint32 fourcc;
g_print ("version: %d\n", RMDEMUX_GUINT16_GET (data + 0));
g_print ("stream id: %d\n", RMDEMUX_GUINT16_GET (data + 2));
g_print ("max bitrate: %d\n", RMDEMUX_GUINT32_GET (data + 4));
g_print ("avg bitrate: %d\n", RMDEMUX_GUINT32_GET (data + 8));
g_print ("max packet size: %d\n", RMDEMUX_GUINT32_GET (data + 12));
g_print ("avg packet size: %d\n", RMDEMUX_GUINT32_GET (data + 16));
g_print ("start time: %d\n", RMDEMUX_GUINT32_GET (data + 20));
g_print ("preroll: %d\n", RMDEMUX_GUINT32_GET (data + 24));
g_print ("duration: %d\n", RMDEMUX_GUINT32_GET (data + 28));
offset = 32;
stream_type = re_get_pascal_string (data + offset);
offset += re_dump_pascal_string (data + offset);
offset += re_dump_pascal_string (data + offset);
g_print ("length: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset));
offset += 4;
if (strcmp (stream_type, "Video Stream") == 0) {
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 0));
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 4));
fourcc = RMDEMUX_FOURCC_GET (data + offset + 8);
g_print ("fourcc: " GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fourcc));
g_print ("width: %d\n", RMDEMUX_GUINT16_GET (data + offset + 12));
g_print ("height: %d\n", RMDEMUX_GUINT16_GET (data + offset + 14));
g_print ("rate: %d\n", RMDEMUX_GUINT16_GET (data + offset + 16));
offset += 18;
} else if (strcmp (stream_type, "Audio Stream") == 0) {
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 0));
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 4));
fourcc = RMDEMUX_FOURCC_GET (data + offset + 8);
g_print ("fourcc: " GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fourcc));
re_hexdump_bytes (data + offset + 12, 14, offset + 12);
g_print ("packet size 1: %d\n", RMDEMUX_GUINT16_GET (data + offset + 26));
re_hexdump_bytes (data + offset + 28, 14, offset + 28);
g_print ("packet size 2: %d\n", RMDEMUX_GUINT16_GET (data + offset + 42));
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 44));
g_print ("rate1: %d\n", RMDEMUX_GUINT32_GET (data + offset + 48));
g_print ("rate2: %d\n", RMDEMUX_GUINT32_GET (data + offset + 52));
offset += 56;
} else if (strcmp (stream_type, "") == 0) {
int end;
end = offset + RMDEMUX_GUINT32_GET (data + offset);
g_print ("length2: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset));
offset += 4;
re_hexdump_bytes (data + offset, 14, offset);
offset += 14;
offset += re_dump_pascal_string (data + offset);
re_hexdump_bytes (data + offset, 10, offset);
offset += 10;
while (offset < end) {
re_hexdump_bytes (data + offset, 6, offset);
offset += 6;
offset += re_dump_pascal_string (data + offset);
re_hexdump_bytes (data + offset, 5, offset);
offset += 5;
offset += re_dump_pascal_string (data + offset);
}
}
re_hexdump_bytes (data + offset, length - offset, offset);
g_print ("\n");
}
static void
gst_rmdemux_parse_indx (GstRMDemux * rmdemux, void *data, int length)
{
int offset;
int n;
int i;
int id;
GstRMDemuxIndex *index;
GstRMDemuxStream *stream;
n = RMDEMUX_GUINT16_GET (data + 4);
id = RMDEMUX_GUINT16_GET (data + 6);
stream = gst_rmdemux_get_stream_by_id (rmdemux, id);
g_return_if_fail (stream != NULL);
index = g_malloc (sizeof (GstRMDemuxIndex) * n);
stream->index = index;
stream->index_length = n;
offset = 12;
for (i = 0; i < n; i++) {
index[i].unknown = RMDEMUX_GUINT16_GET (data + offset + 0);
index[i].offset = RMDEMUX_GUINT32_GET (data + offset + 2);
index[i].timestamp = RMDEMUX_GUINT32_GET (data + offset + 6);
index[i].frame = RMDEMUX_GUINT32_GET (data + offset + 10);
offset += 14;
}
}
static void
gst_rmdemux_dump_indx (GstRMDemux * rmdemux, void *data, int length)
{
int offset = 0;
int n;
int i;
re_hexdump_bytes (data + 0, 4, 0);
n = RMDEMUX_GUINT16_GET (data + 4);
g_print ("n_entries: %d\n", n);
g_print ("stream id: %d\n", RMDEMUX_GUINT16_GET (data + 6));
g_print ("offset of next INDX: 0x%08x\n", RMDEMUX_GUINT32_GET (data + 8));
offset = 12;
for (i = 0; i < n; i++) {
g_print ("unknown: 0x%04x\n", RMDEMUX_GUINT16_GET (data + offset + 0));
g_print ("offset: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 2));
g_print ("timestamp: %d\n", RMDEMUX_GUINT32_GET (data + offset + 6));
g_print ("frame index: %d\n", RMDEMUX_GUINT32_GET (data + offset + 10));
offset += 14;
}
g_print ("\n");
}
static void
gst_rmdemux_parse_data (GstRMDemux * rmdemux, void *data, int length)
{
rmdemux->n_chunks = RMDEMUX_GUINT32_GET (data + 2);
}
static void
gst_rmdemux_dump_data (GstRMDemux * rmdemux, void *data, int length)
{
int offset = 0;
int n;
g_print ("version: %d\n", RMDEMUX_GUINT16_GET (data + 0));
g_print ("n_chunks: %d\n", RMDEMUX_GUINT32_GET (data + offset + 2));
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 6));
re_hexdump_bytes (data + offset, 10, offset);
offset += 10;
while (offset < length) {
n = RMDEMUX_GUINT32_GET (data + offset);
g_print ("length: %d\n", n);
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 4));
g_print ("unknown: 0x%08x\n", RMDEMUX_GUINT32_GET (data + offset + 8));
offset += 12;
re_hexdump_bytes (data + offset, n - 12, offset);
offset += n - 12;
}
g_print ("\n");
}
static void
gst_rmdemux_parse_cont (GstRMDemux * rmdemux, void *data, int length)
{
}
static void
gst_rmdemux_dump_cont (GstRMDemux * rmdemux, void *data, int length)
{
}
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