*
* You should have received a copy of the GNU Lesser 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
#include "avformat.h"
/* For codec_get_bmp_id and codec_get_wav_id. */
-#include "avi.h"
+#include "riff.h"
+#include "intfloat_readwrite.h"
/* EBML version supported */
#define EBML_VERSION 1
* Matroska Codec IDs. Strings.
*/
+typedef struct CodecTags{
+ const char *str;
+ enum CodecID id;
+}CodecTags;
+
#define MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC "V_MS/VFW/FOURCC"
-#define MATROSKA_CODEC_ID_VIDEO_UNCOMPRESSED "V_UNCOMPRESSED"
-#define MATROSKA_CODEC_ID_VIDEO_MPEG4_SP "V_MPEG4/ISO/SP"
-#define MATROSKA_CODEC_ID_VIDEO_MPEG4_ASP "V_MPEG4/ISO/ASP"
-#define MATROSKA_CODEC_ID_VIDEO_MPEG4_AP "V_MPEG4/ISO/AP"
-#define MATROSKA_CODEC_ID_VIDEO_MPEG4_AVC "V_MPEG4/ISO/AVC"
-#define MATROSKA_CODEC_ID_VIDEO_MSMPEG4V3 "V_MPEG4/MS/V3"
-#define MATROSKA_CODEC_ID_VIDEO_MPEG1 "V_MPEG1"
-#define MATROSKA_CODEC_ID_VIDEO_MPEG2 "V_MPEG2"
-#define MATROSKA_CODEC_ID_VIDEO_MJPEG "V_MJPEG"
+#define MATROSKA_CODEC_ID_AUDIO_ACM "A_MS/ACM"
+
+static CodecTags codec_tags[]={
+// {"V_MS/VFW/FOURCC" , CODEC_ID_NONE},
+ {"V_UNCOMPRESSED" , CODEC_ID_RAWVIDEO},
+ {"V_MPEG4/ISO/SP" , CODEC_ID_MPEG4},
+ {"V_MPEG4/ISO/ASP" , CODEC_ID_MPEG4},
+ {"V_MPEG4/ISO/AP" , CODEC_ID_MPEG4},
+ {"V_MPEG4/ISO/AVC" , CODEC_ID_H264},
+ {"V_MPEG4/MS/V3" , CODEC_ID_MSMPEG4V3},
+ {"V_MPEG1" , CODEC_ID_MPEG1VIDEO},
+ {"V_MPEG2" , CODEC_ID_MPEG2VIDEO},
+ {"V_MJPEG" , CODEC_ID_MJPEG},
+ {"V_REAL/RV10" , CODEC_ID_RV10},
+ {"V_REAL/RV20" , CODEC_ID_RV20},
+ {"V_REAL/RV30" , CODEC_ID_RV30},
+ {"V_REAL/RV40" , CODEC_ID_RV40},
/* TODO: Real/Quicktime */
-#define MATROSKA_CODEC_ID_AUDIO_ACM "A_MS/ACM"
-#define MATROSKA_CODEC_ID_AUDIO_MPEG1_L1 "A_MPEG/L1"
-#define MATROSKA_CODEC_ID_AUDIO_MPEG1_L2 "A_MPEG/L2"
-#define MATROSKA_CODEC_ID_AUDIO_MPEG1_L3 "A_MPEG/L3"
-#define MATROSKA_CODEC_ID_AUDIO_PCM_INT_BE "A_PCM/INT/BIG"
-#define MATROSKA_CODEC_ID_AUDIO_PCM_INT_LE "A_PCM/INT/LIT"
-#define MATROSKA_CODEC_ID_AUDIO_PCM_FLOAT "A_PCM/FLOAT/IEEE"
-#define MATROSKA_CODEC_ID_AUDIO_AC3 "A_AC3"
-#define MATROSKA_CODEC_ID_AUDIO_DTS "A_DTS"
-#define MATROSKA_CODEC_ID_AUDIO_VORBIS "A_VORBIS"
-#define MATROSKA_CODEC_ID_AUDIO_ACM "A_MS/ACM"
-#define MATROSKA_CODEC_ID_AUDIO_MPEG2 "A_AAC/MPEG2/"
-#define MATROSKA_CODEC_ID_AUDIO_MPEG4 "A_AAC/MPEG4/"
+// {"A_MS/ACM" , CODEC_ID_NONE},
+ {"A_MPEG/L1" , CODEC_ID_MP3},
+ {"A_MPEG/L2" , CODEC_ID_MP3},
+ {"A_MPEG/L3" , CODEC_ID_MP3},
+ {"A_PCM/INT/BIG" , CODEC_ID_PCM_U16BE},
+ {"A_PCM/INT/LIT" , CODEC_ID_PCM_U16LE},
+// {"A_PCM/FLOAT/IEEE" , CODEC_ID_NONE},
+ {"A_AC3" , CODEC_ID_AC3},
+ {"A_DTS" , CODEC_ID_DTS},
+ {"A_VORBIS" , CODEC_ID_VORBIS},
+ {"A_AAC/MPEG2/" , CODEC_ID_AAC},
+ {"A_AAC/MPEG4/" , CODEC_ID_AAC},
+ {NULL , CODEC_ID_NONE}
/* TODO: AC3-9/10 (?), Real, Musepack, Quicktime */
+};
/* max. depth in the EBML tree structure */
#define EBML_MAX_DEPTH 16
/* timescale in the file */
int64_t time_scale;
- /* length, position (time, ns) */
- int64_t duration,
- pos;
+ /* position (time, ns) */
+ int64_t pos;
/* num_streams is the number of streams that av_new_stream() was called
* for ( = that are available to the calling program). */
static int
ebml_read_float (MatroskaDemuxContext *matroska,
- uint32_t *id,
- double *num)
+ uint32_t *id,
+ double *num)
{
ByteIOContext *pb = &matroska->ctx->pb;
int size, res;
n++;
}
- if (!total)
- return AVERROR_INVALIDDATA;
-
if (read == num_ffs)
*num = (uint64_t)-1;
else
if (num > sizeof(uint32_t)) {
av_log(matroska->ctx, AV_LOG_ERROR,
"IDs of size %"PRIu64" (> %zu) not supported\n",
- num, sizeof(uint32_t));
+ num, sizeof(uint32_t));
return AVERROR_INVALIDDATA;
}
break;
double num;
if ((res = ebml_read_float(matroska, &id, &num)) < 0)
break;
- matroska->duration = num * matroska->time_scale;
+ matroska->ctx->duration = num * matroska->time_scale * 1000 / AV_TIME_BASE;
break;
}
break;
}
- /* position in the file + track to which it
+ /* position in the file + track to which it
* belongs */
case MATROSKA_ID_CUETRACKPOSITION:
if ((res = ebml_read_master(matroska, &id)) < 0)
"cannot parse further.\n", EBML_MAX_DEPTH);
return AVERROR_UNKNOWN;
}
-
+
level.start = 0;
level.length = (uint64_t)-1;
matroska->levels[matroska->num_levels] = level;
/* Have we found a cluster? */
if (res == 1) {
- int i;
- enum CodecID codec_id;
+ int i, j;
+ enum CodecID codec_id= CODEC_ID_NONE;
MatroskaTrack *track;
AVStream *st;
- void *extradata = NULL;
- int extradata_size = 0;
for (i = 0; i < matroska->num_tracks; i++) {
+ void *extradata = NULL;
+ int extradata_size = 0;
track = matroska->tracks[i];
/* libavformat does not really support subtitles.
(track->codec_id == NULL))
continue;
+ for(j=0; codec_tags[j].str; j++){
+ if(!strcmp(codec_tags[j].str, track->codec_id)){
+ codec_id= codec_tags[j].id;
+ break;
+ }
+ }
+
/* Set the FourCC from the CodecID. */
/* This is the MS compatibility mode which stores a
* BITMAPINFOHEADER in the CodecPrivate. */
(p[2] << 16) | (p[1] << 8) | p[0];
codec_id = codec_get_bmp_id(((MatroskaVideoTrack *)track)->fourcc);
- } else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_VIDEO_MPEG4_SP) ||
- !strcmp(track->codec_id,
- MATROSKA_CODEC_ID_VIDEO_MPEG4_ASP) ||
- !strcmp(track->codec_id,
- MATROSKA_CODEC_ID_VIDEO_MPEG4_AP))
- codec_id = CODEC_ID_MPEG4;
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_VIDEO_MPEG4_AVC))
- codec_id = CODEC_ID_H264;
-/* else if (!strcmp(track->codec_id, */
-/* MATROSKA_CODEC_ID_VIDEO_UNCOMPRESSED)) */
-/* codec_id = CODEC_ID_???; */
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_VIDEO_MSMPEG4V3))
- codec_id = CODEC_ID_MSMPEG4V3;
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_VIDEO_MPEG1) ||
- !strcmp(track->codec_id,
- MATROSKA_CODEC_ID_VIDEO_MPEG2))
- codec_id = CODEC_ID_MPEG2VIDEO;
+ }
/* This is the MS compatibility mode which stores a
* WAVEFORMATEX in the CodecPrivate. */
- else if (!strcmp(track->codec_id,
+ else if (!strcmp(track->codec_id,
MATROSKA_CODEC_ID_AUDIO_ACM) &&
(track->codec_priv_size >= 18) &&
(track->codec_priv != NULL)) {
tag = (p[1] << 8) | p[0];
codec_id = codec_get_wav_id(tag);
- } else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_MPEG1_L1) ||
- !strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_MPEG1_L2) ||
- !strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_MPEG1_L3))
- codec_id = CODEC_ID_MP3;
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_PCM_INT_BE))
- codec_id = CODEC_ID_PCM_U16BE;
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_PCM_INT_LE))
- codec_id = CODEC_ID_PCM_U16LE;
-/* else if (!strcmp(track->codec_id, */
-/* MATROSKA_CODEC_ID_AUDIO_PCM_FLOAT)) */
-/* codec_id = CODEC_ID_PCM_???; */
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_AC3))
- codec_id = CODEC_ID_AC3;
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_DTS))
- codec_id = CODEC_ID_DTS;
- /* No such codec id so far. */
-/* else if (!strcmp(track->codec_id, */
-/* MATROSKA_CODEC_ID_AUDIO_DTS)) */
-/* codec_id = CODEC_ID_DTS; */
- else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_VORBIS)) {
- extradata_size = track->codec_priv_size;
- if(extradata_size) {
- extradata = av_malloc(extradata_size);
- if(extradata == NULL)
- return AVERROR_NOMEM;
- memcpy(extradata, track->codec_priv, extradata_size);
- }
- codec_id = CODEC_ID_VORBIS;
- } else if (!strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_MPEG2) ||
- !strcmp(track->codec_id,
- MATROSKA_CODEC_ID_AUDIO_MPEG4))
- codec_id = CODEC_ID_AAC;
- else
- codec_id = CODEC_ID_NONE;
+ }
if (codec_id == CODEC_ID_NONE) {
av_log(matroska->ctx, AV_LOG_INFO,
st = av_new_stream(s, track->stream_index);
if (st == NULL)
return AVERROR_NOMEM;
- av_set_pts_info(st, 24, 1, 1000); /* 24 bit pts in ms */
+ av_set_pts_info(st, 64, matroska->time_scale, 1000*1000*1000); /* 64 bit pts in ns */
st->codec->codec_id = codec_id;
st->codec->width = videotrack->pixel_width;
st->codec->height = videotrack->pixel_height;
if (videotrack->display_width == 0)
- st->codec->sample_aspect_ratio.num =
- videotrack->pixel_width;
- else
- st->codec->sample_aspect_ratio.num =
- videotrack->display_width;
+ videotrack->display_width= videotrack->pixel_width;
if (videotrack->display_height == 0)
- st->codec->sample_aspect_ratio.num =
- videotrack->pixel_height;
- else
- st->codec->sample_aspect_ratio.num =
- videotrack->display_height;
-
+ videotrack->display_height= videotrack->pixel_height;
+ av_reduce(&st->codec->sample_aspect_ratio.num,
+ &st->codec->sample_aspect_ratio.den,
+ st->codec->height * videotrack->display_width,
+ st->codec-> width * videotrack->display_height,
+ 255);
} else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) {
MatroskaAudioTrack *audiotrack = (MatroskaAudioTrack *)track;
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->sample_rate = audiotrack->samplerate;
st->codec->channels = audiotrack->channels;
+ } else if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE) {
+ st->codec->codec_type = CODEC_TYPE_SUBTITLE;
}
/* What do we do with private data? E.g. for Vorbis. */
case MATROSKA_ID_BLOCK: {
uint8_t *data, *origdata;
int size;
- uint64_t time;
+ int16_t block_time;
uint32_t *lace_size = NULL;
int n, track, flags, laces = 0;
uint64_t num;
}
if(matroska->ctx->streams[ matroska->tracks[track]->stream_index ]->discard >= AVDISCARD_ALL){
av_free(origdata);
- break;
+ break;
}
- /* time (relative to cluster time) */
- time = ((data[0] << 8) | data[1]) * matroska->time_scale;
+ /* block_time (relative to cluster time) */
+ block_time = (data[0] << 8) | data[1];
data += 2;
size -= 2;
flags = *data;
if (res == 0) {
for (n = 0; n < laces; n++) {
- uint64_t timecode = 0;
+ uint64_t timecode = AV_NOPTS_VALUE;
pkt = av_mallocz(sizeof(AVPacket));
/* XXX: prevent data copy... */
res = AVERROR_NOMEM;
break;
}
- if (cluster_time != (uint64_t)-1) {
- if (time < 0 && (-time) > cluster_time)
- timecode = cluster_time;
- else
- timecode = cluster_time + time;
+ if (cluster_time != (uint64_t)-1 && n == 0) {
+ if (cluster_time + block_time >= 0)
+ timecode = cluster_time + block_time;
}
/* FIXME: duration */
pkt->stream_index =
matroska->tracks[track]->stream_index;
- pkt->pts = timecode / 1000000; /* ns to ms */
+ pkt->pts = timecode;
pkt->pos= pos;
matroska_queue_packet(matroska, pkt);
uint64_t num;
if ((res = ebml_read_uint(matroska, &id, &num)) < 0)
break;
- cluster_time = num * matroska->time_scale;
+ cluster_time = num;
break;
}
av_free(track);
}
- for (n = 0; n < s->nb_streams; n++) {
- av_free(s->streams[n]->codec->extradata);
- }
-
memset(matroska, 0, sizeof(MatroskaDemuxContext));
return 0;
}
-static AVInputFormat matroska_iformat = {
+AVInputFormat matroska_demuxer = {
"matroska",
"Matroska file format",
sizeof(MatroskaDemuxContext),
matroska_read_packet,
matroska_read_close,
};
-
-int
-matroska_init(void)
-{
- av_register_input_format(&matroska_iformat);
- return 0;
-}
projects / ffmpeg / blobdiff