As the title say. It fixes make fate when using a bitstream reader with overread checks.
-- fenrir
>From a6cb9c115f5f65131a32b2d32477389532ce1868 Mon Sep 17 00:00:00 2001 From: Laurent Aimar <[email protected]> Date: Fri, 9 Sep 2011 22:04:09 +0200 Subject: [PATCH] Fixed size given to init_get_bits() in ffv1 decoder. init_get_bits() takes a number of bits and not a number of bytes as its size argument. --- libavcodec/ffv1.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/ffv1.c b/libavcodec/ffv1.c index 15d9553..8a6f33f 100644 --- a/libavcodec/ffv1.c +++ b/libavcodec/ffv1.c @@ -1693,7 +1693,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac bytes_read = c->bytestream - c->bytestream_start - 1; if(bytes_read ==0) av_log(avctx, AV_LOG_ERROR, "error at end of AC stream\n"); //FIXME //printf("pos=%d\n", bytes_read); - init_get_bits(&f->slice_context[0]->gb, buf + bytes_read, buf_size - bytes_read); + init_get_bits(&f->slice_context[0]->gb, buf + bytes_read, (buf_size - bytes_read) * 8); } else { bytes_read = 0; /* avoid warning */ } @@ -1710,7 +1710,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac if(fs->ac){ ff_init_range_decoder(&fs->c, buf_p, v); }else{ - init_get_bits(&fs->gb, buf_p, v); + init_get_bits(&fs->gb, buf_p, v * 8); } } -- 1.7.2.5
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