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| author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2014-08-07 13:16:38 +0200 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2014-08-07 13:18:00 +0200 |
| commit | 7d585bc94c494f73a390fd38e78500f136e59992 (patch) | |
| tree | 5719b857b154a3e3b27f35f094dbe064c52c0df2 | |
| parent | 0ab00a75e41f4399126777e49385c809d8fcc311 (diff) | |
Do not automatically map subtitles if the decoder and encoder properties are different.
Fixes ticket #3819.
| -rw-r--r-- | ffmpeg_opt.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c index 9604a6a5d5..1962cf48cb 100644 --- a/ffmpeg_opt.c +++ b/ffmpeg_opt.c @@ -1870,8 +1870,27 @@ static int open_output_file(OptionsContext *o, const char *filename) if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) { for (i = 0; i < nb_input_streams; i++) if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { - new_subtitle_stream(o, oc, i); - break; + AVCodecDescriptor const *input_descriptor = + avcodec_descriptor_get(input_streams[i]->st->codec->codec_id); + AVCodecDescriptor const *output_descriptor = NULL; + AVCodec const *output_codec = + avcodec_find_encoder(oc->oformat->subtitle_codec); + int input_props = 0, output_props = 0; + if (output_codec) + output_descriptor = avcodec_descriptor_get(output_codec->id); + if (input_descriptor) + input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB); + if (output_descriptor) + output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB); + if (subtitle_codec_name || + input_props & output_props || + // Map dvb teletext which has neither property to any output subtitle encoder + input_descriptor && output_descriptor && + (!input_descriptor->props || + !output_descriptor->props)) { + new_subtitle_stream(o, oc, i); + break; + } } } /* do something with data? */ |