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Code Issues Releases Activity

Buffer for get_bits must be padded because readers may overread.

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Originally committed as revision 7477 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2007-01-14 16:11:10 +00:00
parent d188691205
commit a5ee04c3e0
1 changed files with 1 additions and 1 deletions
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2
libavcodec/mpc.c
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@ -231,7 +231,7 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size); av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size);
} }
bits = av_malloc((buf_size - 1) & ~3); bits = av_malloc(((buf_size - 1) & ~3) + FF_INPUT_BUFFER_PADDING_SIZE);
c->dsp.bswap_buf(bits, buf + 4, (buf_size - 4) >> 2); c->dsp.bswap_buf(bits, buf + 4, (buf_size - 4) >> 2);
init_get_bits(&gb, bits, (buf_size - 4)* 8); init_get_bits(&gb, bits, (buf_size - 4)* 8);
skip_bits(&gb, buf[0]); skip_bits(&gb, buf[0]);