* 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 "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
unsigned int audio_buffer_size;
AVPacket cur_audio_pkt;
+
+ int have_attachments;
} MatroskaMuxContext;
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++) {
currentpos = seekhead->filepos;
}
+fail:
av_free(seekhead->entries);
av_free(seekhead);
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;
{
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;
}
int output_sample_rate = 0;
AVDictionaryEntry *tag;
+ if (codec->codec_type == AVMEDIA_TYPE_ATTACHMENT) {
+ mkv->have_attachments = 1;
+ continue;
+ }
+
if (!bit_depth)
bit_depth = av_get_bytes_per_sample(codec->sample_fmt) << 3;
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) &&
// 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;
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);
return 0;
}
+static int mkv_write_attachments(AVFormatContext *s)
+{
+ MatroskaMuxContext *mkv = s->priv_data;
+ AVIOContext *pb = s->pb;
+ ebml_master attachments;
+ AVLFG c;
+ int i, ret;
+
+ if (!mkv->have_attachments)
+ return 0;
+
+ av_lfg_init(&c, av_get_random_seed());
+
+ ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_ATTACHMENTS, avio_tell(pb));
+ if (ret < 0) return ret;
+
+ attachments = start_ebml_master(pb, MATROSKA_ID_ATTACHMENTS, 0);
+
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+ ebml_master attached_file;
+ AVDictionaryEntry *t;
+ const char *mimetype = NULL;
+
+ if (st->codec->codec_type != AVMEDIA_TYPE_ATTACHMENT)
+ continue;
+
+ attached_file = start_ebml_master(pb, MATROSKA_ID_ATTACHEDFILE, 0);
+
+ if (t = av_dict_get(st->metadata, "title", NULL, 0))
+ put_ebml_string(pb, MATROSKA_ID_FILEDESC, t->value);
+ if (!(t = av_dict_get(st->metadata, "filename", NULL, 0))) {
+ av_log(s, AV_LOG_ERROR, "Attachment stream %d has no filename tag.\n", i);
+ return AVERROR(EINVAL);
+ }
+ put_ebml_string(pb, MATROSKA_ID_FILENAME, t->value);
+ if (t = av_dict_get(st->metadata, "mimetype", NULL, 0))
+ mimetype = t->value;
+ else if (st->codec->codec_id != CODEC_ID_NONE ) {
+ int i;
+ for (i = 0; ff_mkv_mime_tags[i].id != CODEC_ID_NONE; i++)
+ if (ff_mkv_mime_tags[i].id == st->codec->codec_id) {
+ mimetype = ff_mkv_mime_tags[i].str;
+ break;
+ }
+ }
+ if (!mimetype) {
+ av_log(s, AV_LOG_ERROR, "Attachment stream %d has no mimetype tag and "
+ "it cannot be deduced from the codec id.\n", i);
+ return AVERROR(EINVAL);
+ }
+
+ put_ebml_string(pb, MATROSKA_ID_FILEMIMETYPE, mimetype);
+ put_ebml_binary(pb, MATROSKA_ID_FILEDATA, st->codec->extradata, st->codec->extradata_size);
+ put_ebml_uint(pb, MATROSKA_ID_FILEUID, av_lfg_get(&c));
+ end_ebml_master(pb, attached_file);
+ }
+ end_ebml_master(pb, attachments);
+
+ return 0;
+}
+
static int mkv_write_header(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data;
ret = mkv_write_tags(s);
if (ret < 0) return ret;
+
+ ret = mkv_write_attachments(s);
+ if (ret < 0) return ret;
}
if (!s->pb->seekable)
.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,
};
.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
.write_packet = mkv_write_packet,
.write_trailer = mkv_write_trailer,
.flags = AVFMT_GLOBALHEADER,
- .codec_tag = (const AVCodecTag* const []){ff_codec_wav_tags, 0},
};
#endif
projects / ffmpeg / blobdiff