]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/matroska.c
add support for V_THEORA into Matroska
[ffmpeg] / libavformat / matroska.c
index bd34e81493d86e99fb5b3baa23143390b42e2412..591530490c1496d5b7bb65fa4990b781770ea231 100644 (file)
@@ -213,6 +213,7 @@ static CodecTags codec_tags[]={
     {"V_REAL/RV20"      , CODEC_ID_RV20},
     {"V_REAL/RV30"      , CODEC_ID_RV30},
     {"V_REAL/RV40"      , CODEC_ID_RV40},
+    {"V_THEORA"         , CODEC_ID_THEORA},
 /* TODO: Real/Quicktime */
 
 //    {"A_MS/ACM"         , CODEC_ID_NONE},
@@ -254,7 +255,7 @@ typedef struct Track {
     unsigned char *codec_priv;
     int codec_priv_size;
 
-    int64_t default_duration;
+    uint64_t default_duration;
     MatroskaTrackFlags flags;
 } MatroskaTrack;
 
@@ -1307,7 +1308,7 @@ matroska_add_stream (MatroskaDemuxContext *matroska)
                             if ((res = ebml_read_uint (matroska, &id,
                                                        &num)) < 0)
                                 break;
-                            track->default_duration = num;
+                            track->default_duration = num/matroska->time_scale;
                             break;
                         }
 
@@ -1317,7 +1318,7 @@ matroska_add_stream (MatroskaDemuxContext *matroska)
                             if ((res = ebml_read_float(matroska, &id,
                                                        &num)) < 0)
                                 break;
-                            track->default_duration = 1000000000 * (1. / num);
+                            track->default_duration = 1000000000/(matroska->time_scale*num);
                             break;
                         }
 
@@ -1620,7 +1621,7 @@ matroska_add_stream (MatroskaDemuxContext *matroska)
                 uint64_t num;
                 if ((res = ebml_read_uint(matroska, &id, &num)) < 0)
                     break;
-                track->default_duration = num;
+                track->default_duration = num / matroska->time_scale;
                 break;
             }
 
@@ -2287,14 +2288,6 @@ matroska_read_header (AVFormatContext    *s,
 
             }
 
-            else if (codec_id == CODEC_ID_MPEG1VIDEO ||
-                     codec_id == CODEC_ID_MPEG2VIDEO ||
-                     codec_id == CODEC_ID_MPEG4      ||
-                     codec_id == CODEC_ID_MSMPEG4V3  ||
-                     codec_id == CODEC_ID_H264) {
-                track->flags |= MATROSKA_TRACK_REORDER;
-            }
-
             else if (codec_id == CODEC_ID_AAC && !track->codec_priv_size) {
                 MatroskaAudioTrack *audiotrack = (MatroskaAudioTrack *) track;
                 int profile = matroska_aac_profile(track->codec_id);
@@ -2313,6 +2306,7 @@ matroska_read_header (AVFormatContext    *s,
                 } else {
                     extradata_size = 2;
                 }
+                track->default_duration = 1024*1000 / audiotrack->internal_samplerate;
             }
 
             else if (codec_id == CODEC_ID_TTA) {
@@ -2357,7 +2351,7 @@ matroska_read_header (AVFormatContext    *s,
 
             if (track->default_duration)
                 av_reduce(&st->codec->time_base.num, &st->codec->time_base.den,
-                          track->default_duration, 1000000000, 30000);
+                          track->default_duration, 1000, 30000);
 
             if(extradata){
                 st->codec->extradata = extradata;
@@ -2387,6 +2381,7 @@ matroska_read_header (AVFormatContext    *s,
                           st->codec->height * videotrack->display_width,
                           st->codec-> width * videotrack->display_height,
                           255);
+                st->need_parsing = 2;
             } else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) {
                 MatroskaAudioTrack *audiotrack = (MatroskaAudioTrack *)track;
 
@@ -2426,9 +2421,8 @@ rv_offset(uint8_t *data, int slice, int slices)
 
 static int
 matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
-                     int64_t pos, uint64_t cluster_time,
-                     int is_keyframe, int is_bframe,
-                     int *ptrack, AVPacket **ppkt)
+                     int64_t pos, uint64_t cluster_time, uint64_t duration,
+                     int is_keyframe, int is_bframe)
 {
     int res = 0;
     int track;
@@ -2450,7 +2444,6 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
 
     /* fetch track from num */
     track = matroska_find_track_by_num(matroska, num);
-    if (ptrack)  *ptrack = track;
     if (size <= 3 || track < 0 || track >= matroska->num_tracks) {
         av_log(matroska->ctx, AV_LOG_INFO,
                "Invalid stream %d or size %u\n", track, size);
@@ -2461,6 +2454,8 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
         av_free(origdata);
         return res;
     }
+    if (duration == AV_NOPTS_VALUE)
+        duration = matroska->tracks[track]->default_duration;
 
     /* block_time (relative to cluster time) */
     block_time = (data[0] << 8) | data[1];
@@ -2552,19 +2547,18 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
 
     if (res == 0) {
         int real_v = matroska->tracks[track]->flags & MATROSKA_TRACK_REAL_V;
+        uint64_t timecode = AV_NOPTS_VALUE;
+
+        if (cluster_time != (uint64_t)-1 && cluster_time + block_time >= 0)
+            timecode = cluster_time + block_time;
+
         for (n = 0; n < laces; n++) {
-            uint64_t timecode = AV_NOPTS_VALUE;
             int slice, slices = 1;
 
             if (real_v) {
                 slices = *data++ + 1;
                 lace_size[n]--;
             }
-            if (cluster_time != (uint64_t)-1 && n == 0) {
-                if (cluster_time + block_time >= 0)
-                    timecode = cluster_time + block_time;
-            }
-            /* FIXME: duration */
 
             for (slice=0; slice<slices; slice++) {
                 int slice_size, slice_offset = 0;
@@ -2575,7 +2569,6 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
                 else
                     slice_size = rv_offset(data, slice+1, slices) - slice_offset;
                 pkt = av_mallocz(sizeof(AVPacket));
-                if (ppkt)  *ppkt = pkt;
                 /* XXX: prevent data copy... */
                 if (av_new_packet(pkt, slice_size) < 0) {
                     res = AVERROR_NOMEM;
@@ -2590,11 +2583,15 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
 
                 pkt->pts = timecode;
                 pkt->pos = pos;
+                pkt->duration = duration;
 
                 if (matroska->tracks[track]->flags & MATROSKA_TRACK_REORDER)
                     matroska_queue_packet_reordered(matroska, pkt, is_bframe);
                 else
                     matroska_queue_packet(matroska, pkt);
+
+                if (timecode != AV_NOPTS_VALUE)
+                    timecode = duration ? timecode + duration : AV_NOPTS_VALUE;
             }
             data += lace_size[n];
         }
@@ -2611,11 +2608,9 @@ matroska_parse_blockgroup (MatroskaDemuxContext *matroska,
 {
     int res = 0;
     uint32_t id;
-    AVPacket *pkt = NULL;
     int is_bframe = 0;
     int is_keyframe = PKT_FLAG_KEY, last_num_packets = matroska->num_packets;
     uint64_t duration = AV_NOPTS_VALUE;
-    int track = -1;
     uint8_t *data;
     int size = 0;
     int64_t pos = 0;
@@ -2644,6 +2639,7 @@ matroska_parse_blockgroup (MatroskaDemuxContext *matroska,
             case MATROSKA_ID_BLOCKDURATION: {
                 if ((res = ebml_read_uint(matroska, &id, &duration)) < 0)
                     break;
+                duration /= matroska->time_scale;
                 break;
             }
 
@@ -2682,15 +2678,7 @@ matroska_parse_blockgroup (MatroskaDemuxContext *matroska,
 
     if (size > 0)
         res = matroska_parse_block(matroska, data, size, pos, cluster_time,
-                                   is_keyframe, is_bframe, &track, &pkt);
-
-    if (pkt)
-    {
-        if (duration != AV_NOPTS_VALUE)
-            pkt->duration = duration;
-        else if (track >= 0 && track < matroska->num_tracks)
-            pkt->duration = matroska->tracks[track]->default_duration / matroska->time_scale;
-    }
+                                   duration, is_keyframe, is_bframe);
 
     return res;
 }
@@ -2739,7 +2727,8 @@ matroska_parse_cluster (MatroskaDemuxContext *matroska)
                 res = ebml_read_binary(matroska, &id, &data, &size);
                 if (res == 0)
                     res = matroska_parse_block(matroska, data, size, pos,
-                                               cluster_time, -1,0, NULL, NULL);
+                                               cluster_time, AV_NOPTS_VALUE,
+                                               -1, 0);
                 break;
 
             default: