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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

Do not automatically map subtitles if the decoder and encoder properties are different.

Fixes ticket #3819.
This commit is contained in:
Carl Eugen Hoyos 2014-08-07 13:16:38 +02:00
parent 0ab00a75e4
commit 7d585bc94c

View File

@ -1870,10 +1870,29 @@ static int open_output_file(OptionsContext *o, const char *filename)
if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) { if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
for (i = 0; i < nb_input_streams; i++) for (i = 0; i < nb_input_streams; i++)
if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
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); new_subtitle_stream(o, oc, i);
break; break;
} }
} }
}
/* do something with data? */ /* do something with data? */
} else { } else {
for (i = 0; i < o->nb_stream_maps; i++) { for (i = 0; i < o->nb_stream_maps; i++) {