static picture_t *Get(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
if (!sys->pool) {
if (!sys->picture) {
picture_resource_t rsc;
memset(&rsc, 0, sizeof(rsc));
rsc.p[0].p_pixels = sys->video_ptr;
rsc.p[0].i_lines = sys->var_info.yres;
if (sys->var_info.xres_virtual)
rsc.p[0].i_pitch = sys->var_info.xres_virtual *
sys->bytes_per_pixel;
else
rsc.p[0].i_pitch = sys->var_info.xres *
sys->bytes_per_pixel;
sys->picture = picture_NewFromResource(&vd->fmt, &rsc);
if (!sys->picture)
return NULL;
}
if (sys->is_hw_accel)
sys->pool = picture_pool_New(1, &sys->picture);
else
sys->pool = picture_pool_NewFromFormat(&vd->fmt, 1);
if (!sys->pool)
return NULL;
}
return picture_pool_Get(sys->pool);
}
static picture_t *Get(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
if (!sys->pool) {
sys->pool = picture_pool_NewFromFormat(&vd->fmt, 1);
if (!sys->pool)
return NULL;
}
return picture_pool_Get(sys->pool);
}
/**
* Return a direct buffer
*/
static picture_t *Get(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
if (!sys->pool) {
picture_resource_t rsc;
memset(&rsc, 0, sizeof(rsc));
if (sys->overlay) {
SDL_Overlay *ol = sys->overlay;
for (int i = 0; i < ol->planes; i++) {
rsc.p[i].p_pixels = ol->pixels[ i > 0 && sys->is_uv_swapped ? (3-i) : i];
rsc.p[i].i_pitch = ol->pitches[i > 0 && sys->is_uv_swapped ? (3-i) : i];
rsc.p[i].i_lines = ol->h;
if (ol->format == SDL_YV12_OVERLAY ||
ol->format == SDL_IYUV_OVERLAY)
rsc.p[i].i_lines /= 2;
}
} else {
const int x = sys->place.x;
const int y = sys->place.y;
SDL_Surface *sf = sys->display;
SDL_FillRect(sf, NULL, 0);
assert(x >= 0 && y >= 0);
rsc.p[0].p_pixels = (uint8_t*)sf->pixels + y * sf->pitch + x * ((sf->format->BitsPerPixel + 7) / 8);
rsc.p[0].i_pitch = sf->pitch;
rsc.p[0].i_lines = vd->fmt.i_height;
}
picture_t *picture = picture_NewFromResource(&vd->fmt, &rsc);;
if (!picture)
return NULL;
sys->pool = picture_pool_New(1, &picture);
if (!sys->pool)
return NULL;
}
return picture_pool_Get(sys->pool);
}
/*****************************************************************************
* Render: render previously calculated output
*****************************************************************************/
static void Render( vout_thread_t *p_vout, picture_t *p_pic )
{
vout_sys_t *p_sys = p_vout->p_sys;
picture_t *p_next = p_sys->p_current;
if( VLCGL_TEXTURE_COUNT > 1 )
{
/* Get the next picture to display */
p_next = picture_pool_Get( p_sys->p_pool );
assert( p_next );
}
if( p_sys->p_current )
{
assert( p_sys->p_current->p[0].p_pixels == p_pic->p[0].p_pixels );
/* Make sure we have the prepare after the picture_pool_Get,
* because picture_pool_Get() will bind the new picture texture,
* and vout_display_opengl_Prepare() bind the current rendered picture
* texture.
* DisplayVideo() will effectively use the last binded texture. */
vout_display_opengl_Prepare( &p_sys->vgl, p_sys->p_current );
}
if( p_sys->p_current != p_next ) {
if( p_sys->p_current )
picture_Release( p_sys->p_current );
/* Swap the picture texture on opengl vout side. */
p_sys->p_current = p_next;
/* Now, switch the only picture that is being used
* to render in the backend to point to our "next"
* picture texture */
p_pic->p[0].p_pixels = p_sys->p_current->p[0].p_pixels;
}
VLC_UNUSED( p_pic );
}
picture_pool_t *picture_pool_Reserve(picture_pool_t *master, unsigned count)
{
picture_t *picture[count ? count : 1];
unsigned i;
for (i = 0; i < count; i++) {
picture[i] = picture_pool_Get(master);
if (picture[i] == NULL)
goto error;
}
picture_pool_t *pool = picture_pool_New(count, picture);
if (!pool)
goto error;
return pool;
error:
while (i > 0)
picture_Release(picture[--i]);
return NULL;
}
/**
* Return a direct buffer
*/
static picture_t *Get(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
if (!sys->pool) {
picture_resource_t rsc;
memset(&rsc, 0, sizeof(rsc));
rsc.p[0].p_pixels = aa_image(sys->aa_context);
rsc.p[0].i_pitch = aa_imgwidth(sys->aa_context);
rsc.p[0].i_lines = aa_imgheight(sys->aa_context);
picture_t *p_picture = picture_NewFromResource(&vd->fmt, &rsc);
if (!p_picture)
return NULL;
sys->pool = picture_pool_New(1, &p_picture);
if (!sys->pool)
return NULL;
}
return picture_pool_Get(sys->pool);
}
/**
* Return a direct buffer
*/
static picture_t *Get(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
return picture_pool_Get(sys->pool);
}
/*****************************************************************************
* Init: initialize the OpenGL video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
vout_sys_t *p_sys = p_vout->p_sys;
p_sys->p_vout->pf_init( p_sys->p_vout );
p_sys->gl.lock = OpenglLock;
p_sys->gl.unlock = OpenglUnlock;
p_sys->gl.swap = OpenglSwap;
p_sys->gl.sys = p_sys->p_vout;
video_format_t fmt;
video_format_Init( &fmt, 0 );
video_format_Setup( &fmt,
p_vout->render.i_chroma,
p_vout->render.i_width,
p_vout->render.i_height,
p_vout->render.i_aspect * p_vout->render.i_height,
VOUT_ASPECT_FACTOR * p_vout->render.i_width );
if( vout_display_opengl_Init( &p_sys->vgl, &fmt, &p_sys->gl ) )
{
I_OUTPUTPICTURES = 0;
return VLC_EGENERIC;
}
p_sys->p_pool = vout_display_opengl_GetPool( &p_sys->vgl );
if( !p_sys->p_pool )
{
vout_display_opengl_Clean( &p_sys->vgl );
I_OUTPUTPICTURES = 0;
return VLC_EGENERIC;
}
/* */
p_vout->output.i_chroma = fmt.i_chroma;
p_vout->output.i_rmask = fmt.i_rmask;
p_vout->output.i_gmask = fmt.i_gmask;
p_vout->output.i_bmask = fmt.i_bmask;
/* Since OpenGL can do rescaling for us, stick to the default
* coordinates and aspect. */
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
p_vout->fmt_out = p_vout->fmt_in;
p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
/* */
p_sys->p_current = picture_pool_Get( p_sys->p_pool );
p_vout->p_picture[0] = *p_sys->p_current;
p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
p_vout->p_picture[0].i_type = DIRECT_PICTURE;
p_vout->p_picture[0].i_refcount = 0;
p_vout->p_picture[0].p_sys = NULL;
PP_OUTPUTPICTURE[0] = &p_vout->p_picture[0];
I_OUTPUTPICTURES = 1;
return VLC_SUCCESS;
}