diff options
Diffstat (limited to 'ffmpeg.c')
-rw-r--r-- | ffmpeg.c | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -2156,6 +2156,11 @@ static int av_transcode(AVFormatContext **output_files, codec->chroma_sample_location = icodec->chroma_sample_location; if (ost->st->stream_copy) { + uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; + + if (extra_size > INT_MAX) + goto fail; + /* if stream_copy is selected, no need to decode or encode */ codec->codec_id = icodec->codec_id; codec->codec_type = icodec->codec_type; @@ -2168,7 +2173,10 @@ static int av_transcode(AVFormatContext **output_files, } codec->bit_rate = icodec->bit_rate; - codec->extradata= icodec->extradata; + codec->extradata= av_mallocz(extra_size); + if (!codec->extradata) + goto fail; + memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); codec->extradata_size= icodec->extradata_size; if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){ codec->time_base = icodec->time_base; @@ -2682,6 +2690,8 @@ static int av_transcode(AVFormatContext **output_files, for(i=0;i<nb_ostreams;i++) { ost = ost_table[i]; if (ost) { + if (ost->st->stream_copy) + av_freep(&ost->st->codec->extradata); if (ost->logfile) { fclose(ost->logfile); ost->logfile = NULL; |