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avformat/mpegts: Replace silent cliping of language_count by asserts 

Failure should not be possible, if it does occur then the code is
buggy and should be fixed not silently clip

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-27 18:03:53 +02:00
parent 71aede3ced
commit c8c86b8f9b
1 changed files with 2 additions and 6 deletions
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8
libavformat/mpegts.c
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@ -1651,9 +1651,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
if (language_count > 0) {
/* 4 bytes per language code (3 bytes) with comma or NUL byte should fit language buffer */
if (language_count > sizeof(language) / 4) {
language_count = sizeof(language) / 4;
}
av_assert0(language_count <= sizeof(language) / 4);
if (st->codec->extradata == NULL) {
if (ff_alloc_extradata(st->codec, language_count * 2)) {
@ -1703,9 +1701,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
uint8_t *extradata;
/* 4 bytes per language code (3 bytes) with comma or NUL byte should fit language buffer */
if (language_count > sizeof(language) / 4) {
language_count = sizeof(language) / 4;
}
av_assert0(language_count <= sizeof(language) / 4);
if (st->codec->extradata == NULL) {
if (ff_alloc_extradata(st->codec, language_count * 5)) {