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;
}
}
/**
* It updates a picture data/pitches.
*/
int CommonUpdatePicture(picture_t *picture, picture_t **fallback,
uint8_t *data, unsigned pitch)
{
if (fallback) {
if (*fallback == NULL) {
*fallback = picture_NewFromFormat(&picture->format);
if (*fallback == NULL)
return VLC_EGENERIC;
}
for (int n = 0; n < picture->i_planes; n++) {
const plane_t *src = &(*fallback)->p[n];
plane_t *dst = &picture->p[n];
dst->p_pixels = src->p_pixels;
dst->i_pitch = src->i_pitch;
dst->i_lines = src->i_lines;
}
return VLC_SUCCESS;
}
/* 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;
}
}
return VLC_SUCCESS;
}
/**
* This function initializes SDL vout method.
*/
static int Open(vlc_object_t *object)
{
vout_display_t *vd = (vout_display_t *)object;
vout_display_sys_t *sys;
/* XXX: check for conflicts with the SDL audio output */
vlc_mutex_lock(&sdl_lock);
/* Check if SDL video module has been initialized */
if (SDL_WasInit(SDL_INIT_VIDEO) != 0) {
vlc_mutex_unlock(&sdl_lock);
return VLC_EGENERIC;
}
vd->sys = sys = calloc(1, sizeof(*sys));
if (!sys) {
vlc_mutex_unlock(&sdl_lock);
return VLC_ENOMEM;
}
#ifdef HAVE_SETENV
char *psz_driver = var_CreateGetNonEmptyString(vd, "sdl-video-driver");
if (psz_driver) {
setenv("SDL_VIDEODRIVER", psz_driver, 1);
free(psz_driver);
}
#endif
/* */
int sdl_flags = SDL_INIT_VIDEO;
#ifndef WIN32
/* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
sdl_flags |= SDL_INIT_EVENTTHREAD;
#endif
#ifndef NDEBUG
/* In debug mode you may want vlc to dump a core instead of staying stuck */
sdl_flags |= SDL_INIT_NOPARACHUTE;
#endif
/* Initialize library */
if (SDL_Init(sdl_flags) < 0) {
vlc_mutex_unlock(&sdl_lock);
msg_Err(vd, "cannot initialize SDL (%s)", SDL_GetError());
free(sys);
return VLC_EGENERIC;
}
vlc_mutex_unlock(&sdl_lock);
/* Translate keys into unicode */
SDL_EnableUNICODE(1);
/* Get the desktop resolution */
/* FIXME: SDL has a problem with virtual desktop */
sys->desktop_width = SDL_GetVideoInfo()->current_w;
sys->desktop_height = SDL_GetVideoInfo()->current_h;
/* */
video_format_t fmt = vd->fmt;
/* */
vout_display_info_t info = vd->info;
/* Set main window's size */
int display_width;
int display_height;
if (vd->cfg->is_fullscreen) {
display_width = sys->desktop_width;
display_height = sys->desktop_height;
} else {
display_width = vd->cfg->display.width;
display_height = vd->cfg->display.height;
}
/* Initialize flags and cursor */
sys->display_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
sys->display_flags |= vd->cfg->is_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
sys->display_bpp = SDL_VideoModeOK(display_width, display_height,
16, sys->display_flags);
if (sys->display_bpp == 0) {
msg_Err(vd, "no video mode available");
goto error;
}
sys->display = SDL_SetVideoMode(display_width, display_height,
sys->display_bpp, sys->display_flags);
if (!sys->display) {
msg_Err(vd, "cannot set video mode");
goto error;
}
/* We keep the surface locked forever */
SDL_LockSurface(sys->display);
/* */
vlc_fourcc_t forced_chroma = 0;
char *psz_chroma = var_CreateGetNonEmptyString(vd, "sdl-chroma");
if (psz_chroma) {
forced_chroma = vlc_fourcc_GetCodecFromString(VIDEO_ES, psz_chroma);
if (forced_chroma)
msg_Dbg(vd, "Forcing chroma to 0x%.8x (%4.4s)",
forced_chroma, (const char*)&forced_chroma);
free(psz_chroma);
}
/* Try to open an overlay if requested */
sys->overlay = NULL;
const bool is_overlay = var_CreateGetBool(vd, "overlay");
if (is_overlay) {
static const struct
{
vlc_fourcc_t vlc;
uint32_t sdl;
} vlc_to_sdl[] = {
{ VLC_CODEC_YV12, SDL_YV12_OVERLAY },
{ VLC_CODEC_I420, SDL_IYUV_OVERLAY },
{ VLC_CODEC_YUYV, SDL_YUY2_OVERLAY },
{ VLC_CODEC_UYVY, SDL_UYVY_OVERLAY },
{ VLC_CODEC_YVYU, SDL_YVYU_OVERLAY },
{ 0, 0 }
};
const vlc_fourcc_t forced_chromas[] = {
forced_chroma, 0
};
const vlc_fourcc_t *fallback_chromas =
vlc_fourcc_GetYUVFallback(fmt.i_chroma);
const vlc_fourcc_t *chromas = forced_chroma ? forced_chromas : fallback_chromas;
for (int pass = forced_chroma ? 1 : 0; pass < 2 && !sys->overlay; pass++) {
for (int i = 0; chromas[i] != 0; i++) {
const vlc_fourcc_t vlc = chromas[i];
uint32_t sdl = 0;
for (int j = 0; vlc_to_sdl[j].vlc != 0 && !sdl; j++) {
if (vlc_to_sdl[j].vlc == vlc)
sdl = vlc_to_sdl[j].sdl;
}
if (!sdl)
continue;
sys->overlay = SDL_CreateYUVOverlay(fmt.i_width, fmt.i_height,
sdl, sys->display);
if (sys->overlay && !sys->overlay->hw_overlay && pass == 0) {
/* Ignore non hardware overlay surface in first pass */
SDL_FreeYUVOverlay(sys->overlay);
sys->overlay = NULL;
}
if (sys->overlay) {
/* We keep the surface locked forever */
SDL_LockYUVOverlay(sys->overlay);
fmt.i_chroma = vlc;
sys->is_uv_swapped = vlc_fourcc_AreUVPlanesSwapped(fmt.i_chroma,
vd->fmt.i_chroma);
if (sys->is_uv_swapped)
fmt.i_chroma = vd->fmt.i_chroma;
break;
}
}
}
} else {
msg_Warn(vd, "SDL overlay disabled by the user");
}
/* */
vout_display_cfg_t place_cfg = *vd->cfg;
place_cfg.display.width = display_width;
place_cfg.display.height = display_height;
vout_display_PlacePicture(&sys->place, &vd->source, &place_cfg, !sys->overlay);
/* If no overlay, fallback to software output */
if (!sys->overlay) {
/* */
switch (sys->display->format->BitsPerPixel) {
case 8:
fmt.i_chroma = VLC_CODEC_RGB8;
break;
case 15:
fmt.i_chroma = VLC_CODEC_RGB15;
break;
case 16:
fmt.i_chroma = VLC_CODEC_RGB16;
break;
case 24:
fmt.i_chroma = VLC_CODEC_RGB24;
break;
case 32:
fmt.i_chroma = VLC_CODEC_RGB32;
break;
default:
msg_Err(vd, "unknown screen depth %i",
sys->display->format->BitsPerPixel);
goto error;
}
/* All we have is an RGB image with square pixels */
fmt.i_width = display_width;
fmt.i_height = display_height;
fmt.i_rmask = sys->display->format->Rmask;
fmt.i_gmask = sys->display->format->Gmask;
fmt.i_bmask = sys->display->format->Bmask;
info.has_pictures_invalid = true;
}
if (vd->cfg->display.title)
SDL_WM_SetCaption(vd->cfg->display.title,
vd->cfg->display.title);
else if (!sys->overlay)
SDL_WM_SetCaption(VOUT_TITLE " (software RGB SDL output)",
VOUT_TITLE " (software RGB SDL output)");
else if (sys->overlay->hw_overlay)
SDL_WM_SetCaption(VOUT_TITLE " (hardware YUV SDL output)",
VOUT_TITLE " (hardware YUV SDL output)");
else
SDL_WM_SetCaption(VOUT_TITLE " (software YUV SDL output)",
VOUT_TITLE " (software YUV SDL output)");
/* Setup events */
SDL_EventState(SDL_KEYUP, SDL_IGNORE); /* ignore keys up */
/* Setup vout_display now that everything is fine */
vd->fmt = fmt;
vd->info = info;
vd->get = Get;
vd->prepare = NULL;
vd->display = Display;
vd->control = Control;
vd->manage = Manage;
/* */
vout_display_SendEventDisplaySize(vd, display_width, display_height, vd->cfg->is_fullscreen);
return VLC_SUCCESS;
error:
msg_Err(vd, "cannot set up SDL (%s)", SDL_GetError());
if (sys->display) {
SDL_UnlockSurface(sys->display);
SDL_FreeSurface(sys->display);
}
vlc_mutex_lock(&sdl_lock);
SDL_QuitSubSystem(SDL_INIT_VIDEO);
vlc_mutex_unlock(&sdl_lock);
free(sys);
return VLC_EGENERIC;
}