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lavd/xv: simplify write_packet 

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Lukasz Marek 2013-11-14 21:17:00 +01:00 committed by Stefano Sabatini
parent 9244a68092
commit 5d8619595b
1 changed files with 8 additions and 14 deletions
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22
libavdevice/xv.c
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@ -35,6 +35,7 @@
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "avdevice.h"
typedef struct {
@ -148,22 +149,15 @@ static int xv_write_packet(AVFormatContext *s, AVPacket *pkt)
XWindowAttributes window_attrs;
AVPicture pict;
AVCodecContext *ctx = s->streams[0]->codec;
int y, h;
h = img->height / 2;
uint8_t *data[3] = {
img->data + img->offsets[0],
img->data + img->offsets[1],
img->data + img->offsets[2]
};
avpicture_fill(&pict, pkt->data, ctx->pix_fmt, ctx->width, ctx->height);
for (y = 0; y < img->height; y++) {
memcpy(&img->data[img->offsets[0] + (y * img->pitches[0])],
&pict.data[0][y * pict.linesize[0]], img->pitches[0]);
}
for (y = 0; y < h; ++y) {
memcpy(&img->data[img->offsets[1] + (y * img->pitches[1])],
&pict.data[1][y * pict.linesize[1]], img->pitches[1]);
memcpy(&img->data[img->offsets[2] + (y * img->pitches[2])],
&pict.data[2][y * pict.linesize[2]], img->pitches[2]);
}
av_image_copy(data, img->pitches, (const uint8_t **)pict.data, pict.linesize,
AV_PIX_FMT_YUV420P, img->width, img->height);
XGetWindowAttributes(xv->display, xv->window, &window_attrs);
if (XvShmPutImage(xv->display, xv->xv_port, xv->window, xv->gc,