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Code Issues Releases Activity

libkvazaar: Use av_image_copy for copying pixels

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Replaces a for loop for copying pixels by a call to av_image_copy.

Signed-off-by: Arttu Ylä-Outinen <arttu.yla-outinen@tut.fi>
This commit is contained in:
Arttu Ylä-Outinen 2015-09-28 11:27:16 +03:00
parent 8db62f0419
commit 5fefa7b512
1 changed files with 11 additions and 13 deletions
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24
libavcodec/libkvazaar.c
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@ -24,6 +24,7 @@
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
@ -149,8 +150,6 @@ static int libkvazaar_encode(AVCodecContext *avctx,
*got_packet_ptr = 0;
if (frame) {
int i = 0;
if (frame->width != ctx->config->width ||
frame->height != ctx->config->height) {
av_log(avctx, AV_LOG_ERROR,
@ -181,17 +180,16 @@ static int libkvazaar_encode(AVCodecContext *avctx,
}
// Copy pixels from frame to img_in.
for (i = 0; i < 3; ++i) {
uint8_t *dst = img_in->data[i];
uint8_t *src = frame->data[i];
int width = (i == 0) ? frame->width : (frame->width / 2);
int height = (i == 0) ? frame->height : (frame->height / 2);
int y = 0;
for (y = 0; y < height; ++y) {
memcpy(dst, src, width);
src += frame->linesize[i];
dst += width;
}
{
int dst_linesizes[4] = {
frame->width,
frame->width / 2,
frame->width / 2,
0
};
av_image_copy(img_in->data, dst_linesizes,
frame->data, frame->linesize,
frame->format, frame->width, frame->height);
}
img_in->pts = frame->pts;