static void SetupPictureYV12(picture_t *p_picture, uint32_t i_in_stride)
{
/* according to document of android.graphics.ImageFormat.YV12 */
int i_stride = ALIGN_16_PIXELS(i_in_stride);
int i_c_stride = ALIGN_16_PIXELS(i_stride / 2);
p_picture->p->i_pitch = i_stride;
/* Fill chroma planes for planar YUV */
for (int n = 1; n < p_picture->i_planes; n++)
{
const plane_t *o = &p_picture->p[n-1];
plane_t *p = &p_picture->p[n];
p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
p->i_pitch = i_c_stride;
p->i_lines = p_picture->format.i_height / 2;
/*
Explicitly set the padding lines of the picture to black (127 for YUV)
since they might be used by Android during rescaling.
*/
int visible_lines = p_picture->format.i_visible_height / 2;
if (visible_lines < p->i_lines)
memset(&p->p_pixels[visible_lines * p->i_pitch], 127, (p->i_lines - visible_lines) * p->i_pitch);
}
if (vlc_fourcc_AreUVPlanesSwapped(p_picture->format.i_chroma,
VLC_CODEC_YV12))
picture_SwapUV( p_picture );
}
static void SetupPictureYV12( SurfaceInfo* p_surfaceInfo, picture_t *p_picture )
{
/* according to document of android.graphics.ImageFormat.YV12 */
int i_stride = ALIGN_16_PIXELS( p_surfaceInfo->s );
int i_c_stride = ALIGN_16_PIXELS( i_stride / 2 );
p_picture->p->i_pitch = i_stride;
/* Fill chroma planes for planar YUV */
for( int n = 1; n < p_picture->i_planes; n++ )
{
const plane_t *o = &p_picture->p[n-1];
plane_t *p = &p_picture->p[n];
p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
p->i_pitch = i_c_stride;
p->i_lines = p_picture->format.i_height / 2;
}
if( vlc_fourcc_AreUVPlanesSwapped( p_picture->format.i_chroma,
VLC_CODEC_YV12 ) ) {
uint8_t *p_tmp = p_picture->p[1].p_pixels;
p_picture->p[1].p_pixels = p_picture->p[2].p_pixels;
p_picture->p[2].p_pixels = p_tmp;
}
}
