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Merge commit '34e6af9e204ca6bb18d8cf8ec68fe19b0e083e95'

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* commit '34e6af9e204ca6bb18d8cf8ec68fe19b0e083e95':
  indeo3: fix data size check

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-17 16:55:27 +02:00
commit 2787f7b188
1 changed files with 1 additions and 3 deletions
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libavcodec/indeo3.c
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@ -916,7 +916,6 @@ static int decode_frame_headers(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
/* parse the bitstream header */ /* parse the bitstream header */
bs_hdr = gb.buffer; bs_hdr = gb.buffer;
buf_size -= 16;
if (bytestream2_get_le16(&gb) != 32) { if (bytestream2_get_le16(&gb) != 32) {
av_log(avctx, AV_LOG_ERROR, "Unsupported codec version!\n"); av_log(avctx, AV_LOG_ERROR, "Unsupported codec version!\n");
@ -930,8 +929,7 @@ static int decode_frame_headers(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
if (ctx->data_size == 16) if (ctx->data_size == 16)
return 4; return 4;
if (ctx->data_size > buf_size) ctx->data_size = FFMIN(ctx->data_size, buf_size - 16);
ctx->data_size = buf_size;
bytestream2_skip(&gb, 3); // skip reserved byte and checksum bytestream2_skip(&gb, 3); // skip reserved byte and checksum