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cpia: move reget_buffer after header check

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If the header is invalid, there is no need to get at buffer.
Do it after the header has been checked.
Suggested by Reimar Döffinger
This commit is contained in:
Stephan Hilb 2012-09-01 10:12:33 +02:00
parent 54ca7e39da
commit 296140ebfb
1 changed files with 6 additions and 6 deletions
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12
libavcodec/cpia.c
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@ -61,12 +61,6 @@ static int cpia_decode_frame(AVCodecContext* avctx,
AVFrame* const frame = &cpia->frame;
uint8_t *y, *u, *v, *y_end, *u_end, *v_end;
// Get buffer filled with previous frame
if ((ret = avctx->reget_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed!\n");
return ret;
}
// Check header
if ( avpkt->size < FRAME_HEADER_SIZE
|| header[0] != MAGIC_0 || header[1] != MAGIC_1
@ -104,6 +98,12 @@ static int cpia_decode_frame(AVCodecContext* avctx,
frame->key_frame = 0;
}
// Get buffer filled with previous frame
if ((ret = avctx->reget_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed!\n");
return ret;
}
for ( i = 0;
i < frame->height;