int i, out_size, size, x, y, outbuf_size;
FILE *f;
AVFrame *picture;
- uint8_t *outbuf, *picture_buf;
+ uint8_t *outbuf;
printf("Video encoding\n");
/* alloc image and output buffer */
outbuf_size = 100000;
outbuf = malloc(outbuf_size);
- size = c->width * c->height;
- picture_buf = malloc((size * 3) / 2); /* size for YUV 420 */
- picture->data[0] = picture_buf;
- picture->data[1] = picture->data[0] + size;
- picture->data[2] = picture->data[1] + size / 4;
- picture->linesize[0] = c->width;
- picture->linesize[1] = c->width / 2;
- picture->linesize[2] = c->width / 2;
+ /* the image can be allocated by any means and av_image_alloc() is
+ * just the most convenient way if av_malloc() is to be used */
+ av_image_alloc(picture->data, picture->linesize,
+ c->width, c->height, c->pix_fmt, 1);
/* encode 1 second of video */
for(i=0;i<25;i++) {
outbuf[3] = 0xb7;
fwrite(outbuf, 1, 4, f);
fclose(f);
- free(picture_buf);
free(outbuf);
avcodec_close(c);
av_free(c);
+ av_free(picture->data[0]);
av_free(picture);
printf("\n");
}