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ffmpeg.wasm-core
Commit af7562a0 authored by Carl Eugen Hoyos's avatar Carl Eugen Hoyos
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Ignore es_map_length when parsing mpeg program stream map. 

Fixes ticket #3195.
parent e2bf00ce
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libavformat/mpeg.c
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......@@ -193,6 +193,8 @@ static long mpegps_psm_parse(MpegDemuxContext *m, AVIOContext *pb)
/* skip program_stream_info */
avio_skip(pb, ps_info_length);
es_map_length = avio_rb16(pb);
/* Ignore es_map_length, trust psm_length */
es_map_length = psm_length - ps_info_length - 10;
/* at least one es available? */
while (es_map_length >= 4){
......
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