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avcodec/gdv: Optimize unscaled loop

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-01-04 20:22:34 +01:00
parent f2e2456294
commit 2d580d727c
1 changed files with 2 additions and 4 deletions
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6
libavcodec/gdv.c
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@ -470,12 +470,10 @@ static int gdv_decode_frame(AVCodecContext *avctx, void *data,
if (!gdv->scale_v && !gdv->scale_h) { if (!gdv->scale_v && !gdv->scale_h) {
int sidx = PREAMBLE_SIZE, didx = 0; int sidx = PREAMBLE_SIZE, didx = 0;
int y, x; int y;
for (y = 0; y < avctx->height; y++) { for (y = 0; y < avctx->height; y++) {
for (x = 0; x < avctx->width; x++) { memcpy(dst + didx, gdv->frame + sidx, avctx->width);
dst[x+didx] = gdv->frame[x+sidx];
}
sidx += avctx->width; sidx += avctx->width;
didx += frame->linesize[0]; didx += frame->linesize[0];
} }