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Move output_example.c and ffplay.c to the swscale interface

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Originally committed as revision 5923 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Abeni 2006-08-03 16:55:36 +00:00
parent dfeb80a5a9
commit 03ae87a3e8
2 changed files with 33 additions and 6 deletions
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20
output_example.c
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@ -32,6 +32,7 @@
#endif
#include "avformat.h"
#include "swscale.h"
/* 5 seconds stream duration */
#define STREAM_DURATION 5.0
@ -39,6 +40,8 @@
#define STREAM_NB_FRAMES ((int)(STREAM_DURATION * STREAM_FRAME_RATE))
#define STREAM_PIX_FMT PIX_FMT_YUV420P /* default pix_fmt */
static int sws_flags = SWS_BICUBIC;
/**************************************************************/
/* audio output */
@ -319,6 +322,7 @@ static void write_video_frame(AVFormatContext *oc, AVStream *st)
{
int out_size, ret;
AVCodecContext *c;
static struct SwsContext *img_convert_ctx;
c = st->codec;
@ -330,10 +334,20 @@ static void write_video_frame(AVFormatContext *oc, AVStream *st)
if (c->pix_fmt != PIX_FMT_YUV420P) {
/* as we only generate a YUV420P picture, we must convert it
to the codec pixel format if needed */
if (img_convert_ctx == NULL) {
img_convert_ctx = sws_getContext(c->width, c->height,
PIX_FMT_YUV420P,
c->width, c->height,
c->pix_fmt,
sws_flags, NULL, NULL, NULL);
if (img_convert_ctx == NULL) {
fprintf(stderr, "Cannot initialize the conversion context\n");
exit(1);
}
}
fill_yuv_image(tmp_picture, frame_count, c->width, c->height);
img_convert((AVPicture *)picture, c->pix_fmt,
(AVPicture *)tmp_picture, PIX_FMT_YUV420P,
c->width, c->height);
sws_scale(img_convert_ctx, tmp_picture->data, tmp_picture->linesize,
0, c->height, picture->data, picture->linesize);
} else {
fill_yuv_image(picture, frame_count, c->width, c->height);
}