Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / libavformat / matroskaenc.c
index 02d10af..332d1ca 100644 (file)
@@ -2,24 +2,25 @@
  * Matroska muxer
  * Copyright (c) 2007 David Conrad
  *
- * 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
  */
 
 #include "avformat.h"
+#include "internal.h"
 #include "riff.h"
 #include "isom.h"
 #include "matroska.h"
@@ -33,9 +34,9 @@
 #include "libavutil/random_seed.h"
 #include "libavutil/lfg.h"
 #include "libavutil/dict.h"
+#include "libavutil/avstring.h"
 #include "libavcodec/xiph.h"
 #include "libavcodec/mpeg4audio.h"
-#include <strings.h>
 
 typedef struct ebml_master {
     int64_t         pos;                ///< absolute offset in the file where the master's elements start
@@ -317,9 +318,12 @@ static int64_t mkv_write_seekhead(AVIOContext *pb, mkv_seekhead *seekhead)
 
     currentpos = avio_tell(pb);
 
-    if (seekhead->reserved_size > 0)
-        if (avio_seek(pb, seekhead->filepos, SEEK_SET) < 0)
-            return -1;
+    if (seekhead->reserved_size > 0) {
+        if (avio_seek(pb, seekhead->filepos, SEEK_SET) < 0) {
+            currentpos = -1;
+            goto fail;
+        }
+    }
 
     metaseek = start_ebml_master(pb, MATROSKA_ID_SEEKHEAD, seekhead->reserved_size);
     for (i = 0; i < seekhead->num_entries; i++) {
@@ -343,6 +347,7 @@ static int64_t mkv_write_seekhead(AVIOContext *pb, mkv_seekhead *seekhead)
 
         currentpos = seekhead->filepos;
     }
+fail:
     av_free(seekhead->entries);
     av_free(seekhead);
 
@@ -423,7 +428,7 @@ static int put_xiph_codecpriv(AVFormatContext *s, AVIOContext *pb, AVCodecContex
     else
         first_header_size = 42;
 
-    if (ff_split_xiph_headers(codec->extradata, codec->extradata_size,
+    if (avpriv_split_xiph_headers(codec->extradata, codec->extradata_size,
                               first_header_size, header_start, header_len) < 0) {
         av_log(s, AV_LOG_ERROR, "Extradata corrupt.\n");
         return -1;
@@ -443,7 +448,7 @@ static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, int
 {
     MPEG4AudioConfig mp4ac;
 
-    if (ff_mpeg4audio_get_config(&mp4ac, codec->extradata, codec->extradata_size) < 0) {
+    if (avpriv_mpeg4audio_get_config(&mp4ac, codec->extradata, codec->extradata_size) < 0) {
         av_log(s, AV_LOG_WARNING, "Error parsing AAC extradata, unable to determine samplerate.\n");
         return;
     }
@@ -574,7 +579,10 @@ static int mkv_write_tracks(AVFormatContext *s)
         switch (codec->codec_type) {
             case AVMEDIA_TYPE_VIDEO:
                 put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO);
-                put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, av_q2d(codec->time_base)*1E9);
+                if(st->avg_frame_rate.num && st->avg_frame_rate.den && 1.0/av_q2d(st->avg_frame_rate) > av_q2d(codec->time_base))
+                    put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1E9/av_q2d(st->avg_frame_rate));
+                else
+                    put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, av_q2d(codec->time_base)*1E9);
 
                 if (!native_id &&
                       ff_codec_get_tag(codec_movvideo_tags, codec->codec_id) &&
@@ -596,31 +604,38 @@ static int mkv_write_tracks(AVFormatContext *s)
                 // XXX: interlace flag?
                 put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELWIDTH , codec->width);
                 put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELHEIGHT, codec->height);
-                if ((tag = av_dict_get(s->metadata, "stereo_mode", NULL, 0))) {
-                    uint8_t stereo_fmt = atoi(tag->value);
-                    int valid_fmt = 0;
-
-                    switch (mkv->mode) {
-                    case MODE_WEBM:
-                        if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM
-                            || stereo_fmt == MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT)
-                            valid_fmt = 1;
-                        break;
-                    case MODE_MATROSKAv2:
-                        if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_RL)
-                            valid_fmt = 1;
-                        break;
-                    }
-
-                    if (valid_fmt)
-                        put_ebml_uint (pb, MATROSKA_ID_VIDEOSTEREOMODE, stereo_fmt);
+
+                if ((tag = av_dict_get(st->metadata, "stereo_mode", NULL, 0)) ||
+                    (tag = av_dict_get( s->metadata, "stereo_mode", NULL, 0))) {
+                    // save stereo mode flag
+                    uint64_t st_mode = MATROSKA_VIDEO_STEREO_MODE_COUNT;
+
+                    for (j=0; j<MATROSKA_VIDEO_STEREO_MODE_COUNT; j++)
+                        if (!strcmp(tag->value, matroska_video_stereo_mode[j])){
+                            st_mode = j;
+                            break;
+                        }
+
+                    if ((mkv->mode == MODE_WEBM && st_mode > 3 && st_mode != 11)
+                        || st_mode >= MATROSKA_VIDEO_STEREO_MODE_COUNT) {
+                        av_log(s, AV_LOG_ERROR,
+                               "The specified stereo mode is not valid.\n");
+                        return AVERROR(EINVAL);
+                    } else
+                        put_ebml_uint(pb, MATROSKA_ID_VIDEOSTEREOMODE, st_mode);
                 }
+
                 if (st->sample_aspect_ratio.num) {
                     int d_width = codec->width*av_q2d(st->sample_aspect_ratio);
                     put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width);
                     put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height);
                     put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, 3);
                 }
+
+                if (codec->codec_id == CODEC_ID_RAWVIDEO) {
+                    uint32_t color_space = av_le2ne32(codec->codec_tag);
+                    put_ebml_binary(pb, MATROSKA_ID_VIDEOCOLORSPACE, &color_space, sizeof(color_space));
+                }
                 end_ebml_master(pb, subinfo);
                 break;
 
@@ -658,7 +673,7 @@ static int mkv_write_tracks(AVFormatContext *s)
         end_ebml_master(pb, track);
 
         // ms precision is the de-facto standard timescale for mkv files
-        av_set_pts_info(st, 64, 1, 1000);
+        avpriv_set_pts_info(st, 64, 1, 1000);
     }
     end_ebml_master(pb, tracks);
     return 0;
@@ -760,7 +775,7 @@ static int mkv_write_tag(AVFormatContext *s, AVDictionary *m, unsigned int eleme
     end_ebml_master(s->pb, targets);
 
     while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX)))
-        if (strcasecmp(t->key, "title"))
+        if (av_strcasecmp(t->key, "title") && av_strcasecmp(t->key, "stereo_mode"))
             mkv_write_simpletag(s->pb, t);
 
     end_ebml_master(s->pb, tag);
@@ -1300,7 +1315,6 @@ AVOutputFormat ff_matroska_muxer = {
     .write_packet      = mkv_write_packet,
     .write_trailer     = mkv_write_trailer,
     .flags             = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
-    .codec_tag         = (const AVCodecTag* const []){ff_codec_bmp_tags, ff_codec_wav_tags, 0},
     .subtitle_codec    = CODEC_ID_SSA,
     .query_codec       = mkv_query_codec,
 };
@@ -1318,7 +1332,7 @@ AVOutputFormat ff_webm_muxer = {
     .write_header      = mkv_write_header,
     .write_packet      = mkv_write_packet,
     .write_trailer     = mkv_write_trailer,
-    .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
+    .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT,
 };
 #endif
 
@@ -1339,6 +1353,5 @@ AVOutputFormat ff_matroska_audio_muxer = {
     .write_packet      = mkv_write_packet,
     .write_trailer     = mkv_write_trailer,
     .flags = AVFMT_GLOBALHEADER,
-    .codec_tag = (const AVCodecTag* const []){ff_codec_wav_tags, 0},
 };
 #endif