/*
* Matroska file demuxer
- * Copyright (c) 2003-2008 The Libav Project
+ * Copyright (c) 2003-2008 The FFmpeg Project
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Matroska file demuxer
- * by Ronald Bultje <rbultje@ronald.bitfreak.net>
- * with a little help from Moritz Bunkus <moritz@bunkus.org>
- * totally reworked by Aurelien Jacobs <aurel@gnuage.org>
- * Specs available on the Matroska project page: http://www.matroska.org/.
+ * @author Ronald Bultje <rbultje@ronald.bitfreak.net>
+ * @author with a little help from Moritz Bunkus <moritz@bunkus.org>
+ *
@author totally reworked by Aurelien Jacobs <aurel@gnuage.org>
+ * @see specs available on the Matroska project page: http://www.matroska.org/
*/
#include <stdio.h>
#include "rm.h"
#include "matroska.h"
#include "libavcodec/mpeg4audio.h"
-#include "libavutil/intfloat_readwrite.h"
+#include "libavutil/intfloat.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "libavutil/lzo.h"
uint64_t display_height;
uint64_t pixel_width;
uint64_t pixel_height;
- uint64_t fourcc;
+ EbmlBin color_space;
+ uint64_t stereo_mode;
} MatroskaTrackVideo;
typedef struct {
uint8_t *buf;
} MatroskaTrackAudio;
+typedef struct {
+ uint64_t uid;
+ uint64_t type;
+} MatroskaTrackPlane;
+
+typedef struct {
+ EbmlList combine_planes;
+} MatroskaTrackOperation;
+
typedef struct {
uint64_t num;
uint64_t uid;
uint64_t flag_forced;
MatroskaTrackVideo video;
MatroskaTrackAudio audio;
+ MatroskaTrackOperation operation;
EbmlList encodings;
AVStream *stream;
{ MATROSKA_ID_VIDEODISPLAYHEIGHT, EBML_UINT, 0, offsetof(MatroskaTrackVideo,display_height) },
{ MATROSKA_ID_VIDEOPIXELWIDTH, EBML_UINT, 0, offsetof(MatroskaTrackVideo,pixel_width) },
{ MATROSKA_ID_VIDEOPIXELHEIGHT, EBML_UINT, 0, offsetof(MatroskaTrackVideo,pixel_height) },
- { MATROSKA_ID_VIDEOCOLORSPACE, EBML_UINT, 0, offsetof(MatroskaTrackVideo,fourcc) },
+ { MATROSKA_ID_VIDEOCOLORSPACE, EBML_BIN, 0, offsetof(MatroskaTrackVideo,color_space) },
+ { MATROSKA_ID_VIDEOSTEREOMODE, EBML_UINT, 0, offsetof(MatroskaTrackVideo,stereo_mode) },
{ MATROSKA_ID_VIDEOPIXELCROPB, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPT, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPL, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPR, EBML_NONE },
{ MATROSKA_ID_VIDEODISPLAYUNIT, EBML_NONE },
{ MATROSKA_ID_VIDEOFLAGINTERLACED,EBML_NONE },
- { MATROSKA_ID_VIDEOSTEREOMODE, EBML_NONE },
{ MATROSKA_ID_VIDEOASPECTRATIO, EBML_NONE },
{ 0 }
};
{ 0 }
};
+static EbmlSyntax matroska_track_plane[] = {
+ { MATROSKA_ID_TRACKPLANEUID, EBML_UINT, 0, offsetof(MatroskaTrackPlane,uid) },
+ { MATROSKA_ID_TRACKPLANETYPE, EBML_UINT, 0, offsetof(MatroskaTrackPlane,type) },
+ { 0 }
+};
+
+static EbmlSyntax matroska_track_combine_planes[] = {
+ { MATROSKA_ID_TRACKPLANE, EBML_NEST, sizeof(MatroskaTrackPlane), offsetof(MatroskaTrackOperation,combine_planes), {.n=matroska_track_plane} },
+ { 0 }
+};
+
+static EbmlSyntax matroska_track_operation[] = {
+ { MATROSKA_ID_TRACKCOMBINEPLANES, EBML_NEST, 0, 0, {.n=matroska_track_combine_planes} },
+ { 0 }
+};
+
static EbmlSyntax matroska_track[] = {
{ MATROSKA_ID_TRACKNUMBER, EBML_UINT, 0, offsetof(MatroskaTrack,num) },
{ MATROSKA_ID_TRACKNAME, EBML_UTF8, 0, offsetof(MatroskaTrack,name) },
{ MATROSKA_ID_TRACKFLAGFORCED, EBML_UINT, 0, offsetof(MatroskaTrack,flag_forced), {.u=0} },
{ MATROSKA_ID_TRACKVIDEO, EBML_NEST, 0, offsetof(MatroskaTrack,video), {.n=matroska_track_video} },
{ MATROSKA_ID_TRACKAUDIO, EBML_NEST, 0, offsetof(MatroskaTrack,audio), {.n=matroska_track_audio} },
+ { MATROSKA_ID_TRACKOPERATION, EBML_NEST, 0, offsetof(MatroskaTrack,operation), {.n=matroska_track_operation} },
{ MATROSKA_ID_TRACKCONTENTENCODINGS,EBML_NEST, 0, 0, {.n=matroska_track_encodings} },
{ MATROSKA_ID_TRACKFLAGENABLED, EBML_NONE },
{ MATROSKA_ID_TRACKFLAGLACING, EBML_NONE },
static EbmlSyntax matroska_blockgroup[] = {
{ MATROSKA_ID_BLOCK, EBML_BIN, 0, offsetof(MatroskaBlock,bin) },
{ MATROSKA_ID_SIMPLEBLOCK, EBML_BIN, 0, offsetof(MatroskaBlock,bin) },
- { MATROSKA_ID_BLOCKDURATION, EBML_UINT, 0, offsetof(MatroskaBlock,duration), {.u=AV_NOPTS_VALUE} },
+ { MATROSKA_ID_BLOCKDURATION, EBML_UINT, 0, offsetof(MatroskaBlock,duration) },
{ MATROSKA_ID_BLOCKREFERENCE, EBML_UINT, 0, offsetof(MatroskaBlock,reference) },
{ 1, EBML_UINT, 0, offsetof(MatroskaBlock,non_simple), {.u=1} },
{ 0 }
* use it safely here to catch EOS. */
if (!(total = avio_r8(pb))) {
/* we might encounter EOS here */
- if (!pb->eof_reached) {
+ if (!url_feof(pb)) {
int64_t pos = avio_tell(pb);
av_log(matroska->ctx, AV_LOG_ERROR,
"Read error at pos. %"PRIu64" (0x%"PRIx64")\n",
if (size == 0) {
*num = 0;
} else if (size == 4) {
- *num= av_int2flt(avio_rb32(pb));
- } else if(size==8){
- *num= av_int2dbl(avio_rb64(pb));
+ *num = av_int2float(avio_rb32(pb));
+ } else if (size == 8){
+ *num = av_int2double(avio_rb64(pb));
} else
return AVERROR_INVALIDDATA;
pkt_data = newpktdata;
zstream.avail_out = pkt_size - zstream.total_out;
zstream.next_out = pkt_data + zstream.total_out;
- result = inflate(&zstream, Z_NO_FLUSH);
+ if (pkt_data) {
+ result = inflate(&zstream, Z_NO_FLUSH);
+ } else
+ result = Z_MEM_ERROR;
} while (result==Z_OK && pkt_size<10000000);
pkt_size = zstream.total_out;
inflateEnd(&zstream);
pkt_data = newpktdata;
bzstream.avail_out = pkt_size - bzstream.total_out_lo32;
bzstream.next_out = pkt_data + bzstream.total_out_lo32;
- result = BZ2_bzDecompress(&bzstream);
+ if (pkt_data) {
+ result = BZ2_bzDecompress(&bzstream);
+ } else
+ result = BZ_MEM_ERROR;
} while (result==BZ_OK && pkt_size<10000000);
pkt_size = bzstream.total_out_lo32;
BZ2_bzDecompressEnd(&bzstream);
char *line, *layer, *ptr = pkt->data, *end = ptr+pkt->size;
for (; *ptr!=',' && ptr<end-1; ptr++);
if (*ptr == ',')
- layer = ++ptr;
+ ptr++;
+ layer = ptr;
for (; *ptr!=',' && ptr<end-1; ptr++);
if (*ptr == ',') {
int64_t end_pts = pkt->pts + display_duration;
}
}
-static void matroska_parse_cues(MatroskaDemuxContext *matroska) {
- EbmlList *seekhead_list = &matroska->seekhead;
- MatroskaSeekhead *seekhead = seekhead_list->elem;
+static void matroska_add_index_entries(MatroskaDemuxContext *matroska) {
EbmlList *index_list;
MatroskaIndex *index;
int index_scale = 1;
int i, j;
- for (i = 0; i < seekhead_list->nb_elem; i++)
- if (seekhead[i].id == MATROSKA_ID_CUES)
- break;
- assert(i <= seekhead_list->nb_elem);
-
- matroska_parse_seekhead_entry(matroska, i);
-
index_list = &matroska->index;
index = index_list->elem;
if (index_list->nb_elem
}
}
+static void matroska_parse_cues(MatroskaDemuxContext *matroska) {
+ EbmlList *seekhead_list = &matroska->seekhead;
+ MatroskaSeekhead *seekhead = seekhead_list->elem;
+ int i;
+
+ for (i = 0; i < seekhead_list->nb_elem; i++)
+ if (seekhead[i].id == MATROSKA_ID_CUES)
+ break;
+ assert(i <= seekhead_list->nb_elem);
+
+ matroska_parse_seekhead_entry(matroska, i);
+ matroska_add_index_entries(matroska);
+}
+
static int matroska_aac_profile(char *codec_id)
{
static const char * const aac_profiles[] = { "MAIN", "LC", "SSR" };
{
int sri;
- for (sri=0; sri<FF_ARRAY_ELEMS(ff_mpeg4audio_sample_rates); sri++)
- if (ff_mpeg4audio_sample_rates[sri] == samplerate)
+ for (sri=0; sri<FF_ARRAY_ELEMS(avpriv_mpeg4audio_sample_rates); sri++)
+ if (avpriv_mpeg4audio_sample_rates[sri] == samplerate)
break;
return sri;
}
uint64_t max_start = 0;
Ebml ebml = { 0 };
AVStream *st;
- int i, j, res;
+ int i, j, k, res;
matroska->ctx = s;
/* First read the EBML header. */
if (ebml_parse(matroska, ebml_syntax, &ebml)
|| ebml.version > EBML_VERSION || ebml.max_size > sizeof(uint64_t)
- || ebml.id_length > sizeof(uint32_t) || ebml.doctype_version > 2) {
+ || ebml.id_length > sizeof(uint32_t) || ebml.doctype_version > 3) {
av_log(matroska->ctx, AV_LOG_ERROR,
"EBML header using unsupported features\n"
"(EBML version %"PRIu64", doctype %s, doc version %"PRIu64")\n",
ebml.version, ebml.doctype, ebml.doctype_version);
ebml_free(ebml_syntax, &ebml);
return AVERROR_PATCHWELCOME;
+ } else if (ebml.doctype_version == 3) {
+ av_log(matroska->ctx, AV_LOG_WARNING,
+ "EBML header using unsupported features\n"
+ "(EBML version %"PRIu64", doctype %s, doc version %"PRIu64")\n",
+ ebml.version, ebml.doctype, ebml.doctype_version);
}
for (i = 0; i < FF_ARRAY_ELEMS(matroska_doctypes); i++)
if (!strcmp(ebml.doctype, matroska_doctypes[i]))
for (i=0; i < matroska->tracks.nb_elem; i++) {
MatroskaTrack *track = &tracks[i];
enum CodecID codec_id = CODEC_ID_NONE;
- EbmlList *encodings_list = &tracks->encodings;
+ EbmlList *encodings_list = &track->encodings;
MatroskaTrackEncoding *encodings = encodings_list->elem;
uint8_t *extradata = NULL;
int extradata_size = 0;
int extradata_offset = 0;
+ uint32_t fourcc = 0;
AVIOContext b;
/* Apply some sanity checks. */
track->video.display_width = track->video.pixel_width;
if (!track->video.display_height)
track->video.display_height = track->video.pixel_height;
+ if (track->video.color_space.size == 4)
+ fourcc = AV_RL32(track->video.color_space.data);
} else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) {
if (!track->audio.out_samplerate)
track->audio.out_samplerate = track->audio.samplerate;
&& track->codec_priv.size >= 40
&& track->codec_priv.data != NULL) {
track->ms_compat = 1;
- track->video.fourcc = AV_RL32(track->codec_priv.data + 16);
- codec_id = ff_codec_get_id(ff_codec_bmp_tags, track->video.fourcc);
+ fourcc = AV_RL32(track->codec_priv.data + 16);
+ codec_id = ff_codec_get_id(ff_codec_bmp_tags, fourcc);
extradata_offset = 40;
} else if (!strcmp(track->codec_id, "A_MS/ACM")
&& track->codec_priv.size >= 14
} else if (!strcmp(track->codec_id, "V_QUICKTIME")
&& (track->codec_priv.size >= 86)
&& (track->codec_priv.data != NULL)) {
- track->video.fourcc = AV_RL32(track->codec_priv.data);
- codec_id=ff_codec_get_id(codec_movvideo_tags, track->video.fourcc);
+ fourcc = AV_RL32(track->codec_priv.data);
+ codec_id = ff_codec_get_id(codec_movvideo_tags, fourcc);
} else if (codec_id == CODEC_ID_PCM_S16BE) {
switch (track->audio.bitdepth) {
case 8: codec_id = CODEC_ID_PCM_U8; break;
if (track->time_scale < 0.01)
track->time_scale = 1.0;
- av_set_pts_info(st, 64, matroska->time_scale*track->time_scale, 1000*1000*1000); /* 64 bit pts in ns */
+ avpriv_set_pts_info(st, 64, matroska->time_scale*track->time_scale, 1000*1000*1000); /* 64 bit pts in ns */
st->codec->codec_id = codec_id;
st->start_time = 0;
if (track->flag_forced)
st->disposition |= AV_DISPOSITION_FORCED;
- if (track->default_duration)
- av_reduce(&st->codec->time_base.num, &st->codec->time_base.den,
- track->default_duration, 1000000000, 30000);
-
if (!st->codec->extradata) {
if(extradata){
st->codec->extradata = extradata;
}
if (track->type == MATROSKA_TRACK_TYPE_VIDEO) {
+ MatroskaTrackPlane *planes = track->operation.combine_planes.elem;
+
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- st->codec->codec_tag = track->video.fourcc;
+ st->codec->codec_tag = fourcc;
st->codec->width = track->video.pixel_width;
st->codec->height = track->video.pixel_height;
av_reduce(&st->sample_aspect_ratio.num,
st->need_parsing = AVSTREAM_PARSE_HEADERS;
if (track->default_duration)
st->avg_frame_rate = av_d2q(1000000000.0/track->default_duration, INT_MAX);
+
+ /* export stereo mode flag as metadata tag */
+ if (track->video.stereo_mode && track->video.stereo_mode < MATROSKA_VIDEO_STEREO_MODE_COUNT)
+ av_dict_set(&st->metadata, "stereo_mode", matroska_video_stereo_mode[track->video.stereo_mode], 0);
+
+ /* if we have virtual track, mark the real tracks */
+ for (j=0; j < track->operation.combine_planes.nb_elem; j++) {
+ char buf[32];
+ if (planes[j].type >= MATROSKA_VIDEO_STEREO_PLANE_COUNT)
+ continue;
+ snprintf(buf, sizeof(buf), "%s_%d",
+ matroska_video_stereo_plane[planes[j].type], i);
+ for (k=0; k < matroska->tracks.nb_elem; k++)
+ if (planes[j].uid == tracks[k].uid) {
+ av_dict_set(&s->streams[k]->metadata,
+ "stereo_mode", buf, 0);
+ break;
+ }
+ }
} else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) {
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->sample_rate = track->audio.out_samplerate;
max_start = chapters[i].start;
}
+ matroska_add_index_entries(matroska);
+
matroska_convert_tags(s);
return 0;
size -= n;
track = matroska_find_track_by_num(matroska, num);
- if (size <= 3 || !track || !track->stream) {
+ if (!track || !track->stream) {
av_log(matroska->ctx, AV_LOG_INFO,
"Invalid stream %"PRIu64" or size %u\n", num, size);
- return AVERROR_INVALIDDATA;
- }
+ return res;
+ } else if (size <= 3)
+ return 0;
st = track->stream;
if (st->discard >= AVDISCARD_ALL)
return res;
- if (duration == AV_NOPTS_VALUE)
+ if (!duration)
duration = track->default_duration / matroska->time_scale;
block_time = AV_RB16(data);
res = ebml_parse(matroska, matroska_clusters, &cluster);
blocks_list = &cluster.blocks;
blocks = blocks_list->elem;
- for (i=0; i<blocks_list->nb_elem && !res; i++)
+ for (i=0; i<blocks_list->nb_elem; i++)
if (blocks[i].bin.size > 0 && blocks[i].bin.data) {
int is_keyframe = blocks[i].non_simple ? !blocks[i].reference : -1;
- if (!blocks[i].non_simple)
- blocks[i].duration = AV_NOPTS_VALUE;
res=matroska_parse_block(matroska,
blocks[i].bin.data, blocks[i].bin.size,
blocks[i].bin.pos, cluster.timecode,
static int matroska_read_packet(AVFormatContext *s, AVPacket *pkt)
{
MatroskaDemuxContext *matroska = s->priv_data;
- int ret = 0;
- while (!ret && matroska_deliver_packet(matroska, pkt)) {
+ while (matroska_deliver_packet(matroska, pkt)) {
if (matroska->done)
return AVERROR_EOF;
- ret = matroska_parse_cluster(matroska);
+ matroska_parse_cluster(matroska);
}
- return ret;
+ return 0;
}
static int matroska_read_seek(AVFormatContext *s, int stream_index,
matroska->skip_to_keyframe = !(flags & AVSEEK_FLAG_ANY);
matroska->skip_to_timecode = st->index_entries[index].timestamp;
matroska->done = 0;
- av_update_cur_dts(s, st, st->index_entries[index].timestamp);
+ ff_update_cur_dts(s, st, st->index_entries[index].timestamp);
return 0;
}
projects / ffmpeg / blobdiff