static void flip_page (void) {
int i, j, k;
//FILE *fp;
//char filename[100];
/* do we have a free buffer? */
for (j = 0; j < zr_count; j++) {
zr_info_t *zr = &zr_info[j];
/* using MJPEG_NBUFFERS here, using the real number of
* buffers may give sync issues (real number of buffers
* is always sufficient) */
if (zr->queue-zr->synco < MJPEG_NBUFFERS) {
zr->frame = zr->queue;
} else {
if (ioctl(zr->vdes, MJPIOC_SYNC, &zr->zs) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "zr: error waiting for buffers to become free\n");
zr->frame = zr->zs.frame;
zr->synco++;
}
k=0;
for (i = 0; i < zr->fields; i++)
k+=jpeg_enc_frame(zr->j, zr->y_data + i*zr->y_stride,
zr->u_data + i*zr->u_stride,
zr->v_data + i*zr->v_stride,
zr->buf + zr->frame*zr->zrq.size+k);
if (k > zr->zrq.size) mp_msg(MSGT_VO, MSGL_WARN, "zr: jpeg image too large for maximum buffer size. Lower the jpeg encoding\nquality or the resolution of the movie.\n");
}
/* Warning: Only the first jpeg image contains huffman- and
* quantisation tables, so don't expect files other than
* test0001.jpg to be readable */
/*sprintf(filename, "test%04d.jpg", framenum);
fp = fopen(filename, "w");
if (!fp) exit(1);
fwrite(buf+frame*zrq.size, 1, k, fp);
fclose(fp);*/
/*fp = fopen("test1.jpg", "r");
fread(buf+frame*zrq.size, 1, 2126, fp);
fclose(fp);*/
for (j = 0; j < zr_count; j++) {
zr_info_t *zr = &zr_info[j];
if (ioctl(zr->vdes, MJPIOC_QBUF_PLAY, &zr->frame) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "zr: error queueing buffer for playback\n");
zr->queue++;
}
framenum++;
return;
}
/***
* \param vf pointer to vf_instance
* \param mpi pointer to mp_image_t structure
* \param pts
*/
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
struct vf_priv_s *priv = vf->priv;
int size = 0;
int i;
mp_image_t* dmpi;
for (i = 0; i < priv->fields; i++)
size += jpeg_enc_frame(priv->j,
mpi->planes[0] + i*priv->y_stride,
mpi->planes[1] + i*priv->c_stride,
mpi->planes[2] + i*priv->c_stride,
priv->buf + size);
dmpi = vf_get_image(vf->next, IMGFMT_ZRMJPEGNI,
MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
dmpi->planes[0] = (uint8_t*)priv->buf;
dmpi->planes[1] = (uint8_t*)size;
return vf_next_put_image(vf,dmpi, pts);
}
