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Add an image and a title to the SDL window while waiting

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Original commit message from CVS:
Add an image and a title to the SDL window while waiting
This commit is contained in:
Ronald S. Bultje 2002-02-04 19:36:21 +00:00
parent 44fe0401ff
commit 0673305409
1 changed files with 75 additions and 26 deletions
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101
ext/sdl/sdlvideosink.c
View file

@ -59,7 +59,8 @@ enum {
static void gst_sdlvideosink_class_init (GstSDLVideoSinkClass *klass);
static void gst_sdlvideosink_init (GstSDLVideoSink *sdlvideosink);
static gboolean gst_sdlvideosink_create (GstSDLVideoSink *sdlvideosink);
static gboolean gst_sdlvideosink_create (GstSDLVideoSink *sdlvideosink,
gboolean showlogo);
static GstPadConnectReturn gst_sdlvideosink_sinkconnect (GstPad *pad,
GstCaps *caps);
static void gst_sdlvideosink_chain (GstPad *pad,
@ -222,9 +223,45 @@ gst_sdlvideosink_get_sdl_from_fourcc (GstSDLVideoSink *sdlvideosink,
static gboolean
gst_sdlvideosink_create (GstSDLVideoSink *sdlvideosink)
gst_sdlvideosink_lock (GstSDLVideoSink *sdlvideosink)
{
/* Lock SDL/yuv-overlay */
if (SDL_MUSTLOCK(sdlvideosink->screen))
{
if (SDL_LockSurface(sdlvideosink->screen) < 0)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: couldn\'t lock the SDL video window: %s", SDL_GetError());
return FALSE;
}
}
if (SDL_LockYUVOverlay(sdlvideosink->yuv_overlay) < 0)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: couldn\'t lock the SDL YUV overlay: %s", SDL_GetError());
return FALSE;
}
return TRUE;
}
static void
gst_sdlvideosink_unlock (GstSDLVideoSink *sdlvideosink)
{
/* Unlock SDL_yuv_overlay */
SDL_UnlockYUVOverlay(sdlvideosink->yuv_overlay);
if (SDL_MUSTLOCK(sdlvideosink->screen))
SDL_UnlockSurface(sdlvideosink->screen);
}
static gboolean
gst_sdlvideosink_create (GstSDLVideoSink *sdlvideosink, gboolean showlogo)
{
gulong print_format;
guint8 *sbuffer;
gint i;
if (sdlvideosink->window_height <= 0)
sdlvideosink->window_height = sdlvideosink->image_height;
@ -236,6 +273,9 @@ gst_sdlvideosink_create (GstSDLVideoSink *sdlvideosink)
/* create a SDL window of the size requested by the user */
sdlvideosink->screen = SDL_SetVideoMode(sdlvideosink->window_width,
sdlvideosink->window_height, 0, SDL_SWSURFACE | SDL_RESIZABLE);
if (showlogo) /* workaround for SDL bug - do it twice */
sdlvideosink->screen = SDL_SetVideoMode(sdlvideosink->window_width,
sdlvideosink->window_height, 0, SDL_SWSURFACE | SDL_RESIZABLE);
if ( sdlvideosink->screen == NULL)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
@ -271,11 +311,37 @@ gst_sdlvideosink_create (GstSDLVideoSink *sdlvideosink)
sdlvideosink->rect.y = 0;
sdlvideosink->rect.w = sdlvideosink->window_width;
sdlvideosink->rect.h = sdlvideosink->window_height;
SDL_DisplayYUVOverlay(sdlvideosink->yuv_overlay, &(sdlvideosink->rect));
/* make stupid SDL *not* react on SIGINT */
signal(SIGINT, SIG_DFL);
if (showlogo)
{
SDL_Event event;
while (SDL_PollEvent(&event));
if (!gst_sdlvideosink_lock(sdlvideosink))
return FALSE;
/* Draw bands of color on the raw surface, as run indicator for debugging */
sbuffer = (char *)sdlvideosink->screen->pixels;
for (i=0; i<sdlvideosink->screen->h; i++)
{
memset(sbuffer, (i*255)/sdlvideosink->screen->h,
sdlvideosink->screen->w * sdlvideosink->screen->format->BytesPerPixel);
sbuffer += sdlvideosink->screen->pitch;
}
/* Set the windows title */
SDL_WM_SetCaption("GStreamer SDL Video Playback", "0000000");
gst_sdlvideosink_unlock(sdlvideosink);
SDL_UpdateRect(sdlvideosink->screen, 0, 0, sdlvideosink->rect.w, sdlvideosink->rect.h);
}
else
SDL_DisplayYUVOverlay(sdlvideosink->yuv_overlay, &(sdlvideosink->rect));
GST_DEBUG (0, "sdlvideosink: setting %08lx (%4.4s)\n", sdlvideosink->format, (gchar*)&print_format);
/* TODO: is this the width of the input image stream or of the widget? */
@ -315,7 +381,7 @@ gst_sdlvideosink_sinkconnect (GstPad *pad,
sdlvideosink->image_height = gst_caps_get_int(caps, "height");
/* try it out */
if (!gst_sdlvideosink_create(sdlvideosink))
if (!gst_sdlvideosink_create(sdlvideosink, TRUE))
return GST_PAD_CONNECT_REFUSED;
return GST_PAD_CONNECT_OK;
@ -349,7 +415,7 @@ gst_sdlvideosink_chain (GstPad *pad, GstBuffer *buf)
/* create a SDL window of the size requested by the user */
sdlvideosink->window_width = event.resize.w;
sdlvideosink->window_height = event.resize.h;
gst_sdlvideosink_create(sdlvideosink);
gst_sdlvideosink_create(sdlvideosink, FALSE);
break;
}
}
@ -359,22 +425,8 @@ gst_sdlvideosink_chain (GstPad *pad, GstBuffer *buf)
sdlvideosink->clock, GST_BUFFER_TIMESTAMP (buf));
}
/* Lock SDL/yuv-overlay */
if (SDL_MUSTLOCK(sdlvideosink->screen))
{
if (SDL_LockSurface(sdlvideosink->screen) < 0)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: couldn\'t lock the SDL video window: %s", SDL_GetError());
if (!gst_sdlvideosink_lock(sdlvideosink))
return;
}
}
if (SDL_LockYUVOverlay(sdlvideosink->yuv_overlay) < 0)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: couldn\'t lock the SDL YUV overlat: %s", SDL_GetError());
return;
}
/* buf->yuv */
if (sdlvideosink->format == GST_MAKE_FOURCC('I','4','2','0') ||
@ -393,10 +445,7 @@ gst_sdlvideosink_chain (GstPad *pad, GstBuffer *buf)
/* let's draw the data (*yuv[3]) on a SDL screen (*buffer) */
sdlvideosink->yuv_overlay->pixels = sdlvideosink->yuv;
/* Unlock SDL_yuv_overlay */
SDL_UnlockYUVOverlay(sdlvideosink->yuv_overlay);
if (SDL_MUSTLOCK(sdlvideosink->screen))
SDL_UnlockSurface(sdlvideosink->screen);
gst_sdlvideosink_unlock(sdlvideosink);
/* Show, baby, show! */
SDL_DisplayYUVOverlay(sdlvideosink->yuv_overlay, &(sdlvideosink->rect));
@ -424,12 +473,12 @@ gst_sdlvideosink_set_property (GObject *object, guint prop_id, const GValue *val
case ARG_WIDTH:
sdlvideosink->window_width = g_value_get_int(value);
if (sdlvideosink->yuv_overlay)
gst_sdlvideosink_create(sdlvideosink);
gst_sdlvideosink_create(sdlvideosink, FALSE);
break;
case ARG_HEIGHT:
sdlvideosink->window_height = g_value_get_int(value);
if (sdlvideosink->yuv_overlay)
gst_sdlvideosink_create(sdlvideosink);
gst_sdlvideosink_create(sdlvideosink, FALSE);
break;
case ARG_XID:
sdlvideosink->window_id = g_value_get_int(value);