patches/ugly/09_enforce_vorbis_oob_divzero.patch - Issue 3066011: ffmpeg configured with webm decode only to avoid postproc that pulls in unuse...

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Side by Side Diff: patches/ugly/09_enforce_vorbis_oob_divzero.patch

Issue 3066011: ffmpeg configured with webm decode only to avoid postproc that pulls in unuse... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/

Patch Set: '' Created 10 years, 4 months ago

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1 diff -rpu -N orig/libavcodec/vorbis_dec.c ffmpeg-mt/libavcodec/vorbis_dec.c	1 diff -rpu -N orig/libavcodec/vorbis_dec.c ffmpeg-mt/libavcodec/vorbis_dec.c

2 --- orig/libavcodec/vorbis_dec.c» 2010-07-19 12:53:19.886779500 -0700	2 --- orig/libavcodec/vorbis_dec.c» 2010-07-27 13:08:13.864160800 -0700

3 +++ ffmpeg-mt/libavcodec/vorbis_dec.c» 2010-07-19 12:53:21.727579500 -0700	3 +++ ffmpeg-mt/libavcodec/vorbis_dec.c» 2010-07-27 13:08:16.246399000 -0700

4 @@ -972,6 +972,7 @@ static av_cold int vorbis_decode_init(AV	4 @@ -972,6 +972,7 @@ static av_cold int vorbis_decode_init(AV

5 }	5 }

6	6

7 init_get_bits(gb, header_start[0], header_len[0]*8);	7 init_get_bits(gb, header_start[0], header_len[0]*8);

8 + gb->buffer_enforcing=1;	8 + gb->buffer_enforcing=1;

9 hdr_type = get_bits(gb, 8);	9 hdr_type = get_bits(gb, 8);

10 if (hdr_type != 1) {	10 if (hdr_type != 1) {

11 av_log(avccontext, AV_LOG_ERROR, "First header is not the id header.\n" );	11 av_log(avccontext, AV_LOG_ERROR, "First header is not the id header.\n" );

12 @@ -984,6 +985,7 @@ static av_cold int vorbis_decode_init(AV	12 @@ -984,6 +985,7 @@ static av_cold int vorbis_decode_init(AV

13 }	13 }

(...skipping 22 matching lines...) Expand all Loading...
36 uint_fast32_t inverse_class = ff_inverse[vr->classifications];	36 uint_fast32_t inverse_class = ff_inverse[vr->classifications];

37 for (j_times_ptns_to_read = 0, j = 0; j < ch_used; ++j) {	37 for (j_times_ptns_to_read = 0, j = 0; j < ch_used; ++j) {

38 @@ -1611,6 +1613,7 @@ static int vorbis_decode_frame(AVCodecCo	38 @@ -1611,6 +1613,7 @@ static int vorbis_decode_frame(AVCodecCo

39 AV_DEBUG("packet length %d \n", buf_size);	39 AV_DEBUG("packet length %d \n", buf_size);

40	40

41 init_get_bits(gb, buf, buf_size*8);	41 init_get_bits(gb, buf, buf_size*8);

42 + gb->buffer_enforcing=1;	42 + gb->buffer_enforcing=1;

43	43

44 len = vorbis_parse_audio_packet(vc);	44 len = vorbis_parse_audio_packet(vc);

45	45

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