+/**
+ * It updates a picture data/pitches.
+ */
+void CommonUpdatePicture(picture_t *picture,
+ uint8_t *data, unsigned pitch)
+{
+ /* fill in buffer info in first plane */
+ picture->p->p_pixels = data;
+ picture->p->i_pitch = pitch;
+ picture->p->i_lines = picture->format.i_height;
+
+ /* Fill chroma planes for planar YUV */
+ if (picture->format.i_chroma == VLC_CODEC_I420 ||
+ picture->format.i_chroma == VLC_CODEC_J420 ||
+ picture->format.i_chroma == VLC_CODEC_YV12) {
+
+ for (int n = 1; n < picture->i_planes; n++) {
+ const plane_t *o = &picture->p[n-1];
+ plane_t *p = &picture->p[n];
+
+ p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
+ p->i_pitch = pitch / 2;
+ p->i_lines = picture->format.i_height / 2;
+ }
+ /* The dx/d3d buffer is always allocated as YV12 */
+ if (vlc_fourcc_AreUVPlanesSwapped(picture->format.i_chroma, VLC_CODEC_YV12)) {
+ uint8_t *p_tmp = picture->p[1].p_pixels;
+ picture->p[1].p_pixels = picture->p[2].p_pixels;
+ picture->p[2].p_pixels = p_tmp;
+ }
+ }
+}
+