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authorMichael Niedermayer <michaelni@gmx.at>2012-03-01 01:13:16 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-03-01 03:17:11 +0100
commit79ae084e9b930f8b53ae0499c6a06636d194574d (patch)
treee7d829e566b01ef7e84a12b06a2bcb87a8164059 /libavcodec/amrnbdec.c
parenta77c8ade2ee20fc6149e4c689a3f196f53e85273 (diff)
parent882abda5a26ffb8e3d1c5852dfa7cdad0a291d2d (diff)
Merge remote-tracking branch 'qatar/master'
* qatar/master: (58 commits) amrnbdec: check frame size before decoding. cscd: use negative error values to indicate decode_init() failures. h264: prevent overreads in intra PCM decoding. FATE: do not decode audio in the nuv test. dxa: set audio stream time base using the sample rate psx-str: do not allow seeking by bytes asfdec: Do not set AVCodecContext.frame_size vqf: set packet parameters after av_new_packet() mpegaudiodec: use DSPUtil.butterflies_float(). FATE: add mp3 test for sample that exhibited false overreads fate: add cdxl test for bit line plane arrangement vmnc: return error on decode_init() failure. libvorbis: add/update error messages libvorbis: use AVFifoBuffer for output packet buffer libvorbis: remove unneeded e_o_s check libvorbis: check return values for functions that can return errors libvorbis: use float input instead of s16 libvorbis: do not flush libvorbis analysis if dsp state was not initialized libvorbis: use VBR by default, with default quality of 3 libvorbis: fix use of minrate/maxrate AVOptions ... Conflicts: Changelog doc/APIchanges libavcodec/avcodec.h libavcodec/dpxenc.c libavcodec/libvorbis.c libavcodec/vmnc.c libavformat/asfdec.c libavformat/id3v2enc.c libavformat/internal.h libavformat/mp3enc.c libavformat/utils.c libavformat/version.h libswscale/utils.c tests/fate/video.mak tests/ref/fate/nuv tests/ref/fate/prores-alpha tests/ref/lavf/ffm tests/ref/vsynth1/prores tests/ref/vsynth2/prores Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/amrnbdec.c')
-rw-r--r--libavcodec/amrnbdec.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/amrnbdec.c b/libavcodec/amrnbdec.c
index c560d69e88..dc7f95ccbc 100644
--- a/libavcodec/amrnbdec.c
+++ b/libavcodec/amrnbdec.c
@@ -200,6 +200,10 @@ static enum Mode unpack_bitstream(AMRContext *p, const uint8_t *buf,
p->bad_frame_indicator = !get_bits1(&gb); // quality bit
skip_bits(&gb, 2); // two padding bits
+ if (mode >= N_MODES || buf_size < frame_sizes_nb[mode] + 1) {
+ return NO_DATA;
+ }
+
if (mode < MODE_DTX)
ff_amr_bit_reorder((uint16_t *) &p->frame, sizeof(AMRNBFrame), buf + 1,
amr_unpacking_bitmaps_per_mode[mode]);
@@ -947,6 +951,10 @@ static int amrnb_decode_frame(AVCodecContext *avctx, void *data,
buf_out = (float *)p->avframe.data[0];
p->cur_frame_mode = unpack_bitstream(p, buf, buf_size);
+ if (p->cur_frame_mode == NO_DATA) {
+ av_log(avctx, AV_LOG_ERROR, "Corrupt bitstream\n");
+ return AVERROR_INVALIDDATA;
+ }
if (p->cur_frame_mode == MODE_DTX) {
av_log_missing_feature(avctx, "dtx mode", 0);
av_log(avctx, AV_LOG_INFO, "Note: libopencore_amrnb supports dtx\n");