int main (int argc, char **argv)
{
VisVideo *dest, *src;
int i;
visual_init (&argc, &argv);
dest = visual_video_new ();
visual_video_set_depth (dest, DEPTH);
visual_video_set_dimension (dest, 640, 400);
visual_video_allocate_buffer (dest);
src = visual_video_new ();
visual_video_set_depth (src, DEPTH);
visual_video_set_dimension (src, 320, 200);
visual_video_allocate_buffer (src);
for (i = 0; i < TIMES; i++)
visual_video_scale (dest, src, INTERPOL);
printf ("Scale bench overlay %d times, depth %d, interpol %d\n", TIMES,
DEPTH, INTERPOL);
return EXIT_SUCCESS;
}
int main (int argc, char **argv)
{
float rate = 0.0;
VisMorph *morph;
VisAudio audio;
VisVideo *dest, *src1, *src2;
int i;
visual_init (&argc, &argv);
if (argc < 2)
morph = visual_morph_new ("alphablend");
else
morph = visual_morph_new (argv[1]);
visual_morph_realize (morph);
dest = visual_video_new ();
visual_video_set_depth (dest, DEPTH);
visual_video_set_dimension (dest, 640, 400);
visual_video_allocate_buffer (dest);
src1 = visual_video_new ();
src2 = visual_video_new ();
visual_video_copy_attrs (src1, dest);
visual_video_copy_attrs (src2, dest);
visual_video_allocate_buffer (src1);
visual_video_allocate_buffer (src2);
visual_morph_set_video (morph, dest);
for (i = 0; i < TIMES; i++) {
visual_morph_set_rate (morph, rate);
visual_morph_run (morph, &audio, src1, src2);
rate += 0.1;
if (rate > 1.0)
rate = 0.0;
}
printf ("Morph throughput bench %d times depthBPP %d morph: %s\n", TIMES, dest->bpp,
(visual_plugin_get_info (visual_morph_get_plugin (morph)))->plugname);
return EXIT_SUCCESS;
}
static gboolean
gst_visual_setup (GstAudioVisualizer * bscope)
{
GstVisual *visual = GST_VISUAL (bscope);
gint depth;
gst_visual_clear_actors (visual);
/* FIXME: we need to know how many bits we actually have in memory */
depth = bscope->vinfo.finfo->pixel_stride[0];
if (bscope->vinfo.finfo->bits >= 8) {
depth *= 8;
}
visual->actor =
visual_actor_new (GST_VISUAL_GET_CLASS (visual)->plugin->info->plugname);
visual->video = visual_video_new ();
visual->audio = visual_audio_new ();
/* can't have a play without actors */
if (!visual->actor || !visual->video)
goto no_actors;
if (visual_actor_realize (visual->actor) != 0)
goto no_realize;
visual_actor_set_video (visual->actor, visual->video);
visual_video_set_depth (visual->video,
visual_video_depth_enum_from_value (depth));
visual_video_set_dimension (visual->video,
GST_VIDEO_INFO_WIDTH (&bscope->vinfo),
GST_VIDEO_INFO_HEIGHT (&bscope->vinfo));
visual_actor_video_negotiate (visual->actor, 0, FALSE, FALSE);
GST_DEBUG_OBJECT (visual, "WxH: %dx%d, bpp: %d, depth: %d",
GST_VIDEO_INFO_WIDTH (&bscope->vinfo),
GST_VIDEO_INFO_HEIGHT (&bscope->vinfo), visual->video->bpp, depth);
return TRUE;
/* ERRORS */
no_actors:
{
GST_ELEMENT_ERROR (visual, LIBRARY, INIT, (NULL),
("could not create actors"));
gst_visual_clear_actors (visual);
return FALSE;
}
no_realize:
{
GST_ELEMENT_ERROR (visual, LIBRARY, INIT, (NULL),
("could not realize actor"));
gst_visual_clear_actors (visual);
return FALSE;
}
}
SADisplay::SADisplay (std::string const& driver_name)
: m_impl (new Impl)
{
m_impl->driver.reset (DisplayDriverFactory::instance().make (driver_name, *this));
if (!m_impl->driver) {
throw std::runtime_error ("Failed to load display driver '" + driver_name + "'");
}
m_impl->screen = visual_video_new ();
}
int main (int argc, char **argv)
{
VisVideo *dest, *src;
int i;
visual_init (&argc, &argv);
dest = visual_video_new ();
visual_video_set_depth (dest, VISUAL_VIDEO_DEPTH_32BIT);
visual_video_set_dimension (dest, 640, 400);
visual_video_allocate_buffer (dest);
src = visual_video_new ();
visual_video_clone (src, dest);
visual_video_allocate_buffer (src);
for (i = 0; i < TIMES; i++)
visual_video_blit_overlay (dest, src, 0, 0, TRUE);
printf ("Blit overlay %d times\n", TIMES);
}
static int negotiate_video_with_unsupported_depth (VisActor *actor, int rundepth, int noevent, int forced)
{
VisActorPlugin *actplugin = get_actor_plugin (actor);
int depthflag = visual_actor_get_supported_depth (actor);
/* Depth transform enviroment, it automaticly
* fits size because it can use the pitch from
* the dest video context */
actor->transform = visual_video_new ();
visual_log (VISUAL_LOG_INFO, _("run depth %d forced %d\n"), rundepth, forced);
if (forced == TRUE)
visual_video_set_depth (actor->transform, rundepth);
else
visual_video_set_depth (actor->transform,
visual_video_depth_get_highest_nogl (depthflag));
visual_log (VISUAL_LOG_INFO, _("transpitch1 %d depth %d bpp %d"), actor->transform->pitch, actor->transform->depth,
actor->transform->bpp);
/* If there is only GL (which gets returned by highest nogl if
* nothing else is there, stop here */
if (actor->transform->depth == VISUAL_VIDEO_DEPTH_GL)
return -VISUAL_ERROR_ACTOR_GL_NEGOTIATE;
visual_video_set_dimension (actor->transform, actor->video->width, actor->video->height);
visual_log (VISUAL_LOG_INFO, _("transpitch2 %d %d"), actor->transform->width, actor->transform->pitch);
actplugin->requisition (visual_actor_get_plugin (actor), &actor->transform->width, &actor->transform->height);
visual_log (VISUAL_LOG_INFO, _("transpitch3 %d"), actor->transform->pitch);
if (noevent == FALSE) {
visual_event_queue_add_resize (&actor->plugin->eventqueue, actor->transform,
actor->transform->width, actor->transform->height);
visual_plugin_events_pump (actor->plugin);
} else {
/* Normally a visual_video_set_dimension get's called within the
* event handler, but we won't come there right now so we've
* got to set the pitch ourself */
visual_video_set_dimension (actor->transform,
actor->transform->width, actor->transform->height);
}
visual_log (VISUAL_LOG_INFO, _("rundepth: %d transpitch %d\n"), rundepth, actor->transform->pitch);
visual_video_allocate_buffer (actor->transform);
if (actor->video->depth == VISUAL_VIDEO_DEPTH_8BIT)
actor->ditherpal = visual_palette_new (256);
return VISUAL_OK;
}
static void
init( int &argc, char **&argv )
{
VisVideoDepth depth;
visual_init( &argc, &argv );
bin = visual_bin_new ();
depth = visual_video_depth_enum_from_value( 24 );
if( !plugin ) plugin = visual_actor_get_next_by_name( 0 );
if( !plugin ) exit( "Actor plugin not found!" );
visual_bin_set_supported_depth( bin, VISUAL_VIDEO_DEPTH_ALL );
if( NULL == (video = visual_video_new()) ) exit( "Cannot create a video surface" );
if( visual_video_set_depth( video, depth ) < 0 ) exit( "Cannot set video depth" );
visual_video_set_dimension( video, 320, 200 );
if( visual_bin_set_video( bin, video ) ) exit( "Cannot set video" );
visual_bin_connect_by_names( bin, (char*)plugin, 0 );
if( visual_bin_get_depth( bin ) == VISUAL_VIDEO_DEPTH_GL )
{
visual_video_set_depth( video, VISUAL_VIDEO_DEPTH_GL );
pluginIsGL = true;
}
SDL::create( 320, 200 );
SDL_WM_SetCaption( plugin, 0 );
/* Called so the flag is set to false, seen we create the initial environment here */
visual_bin_depth_changed( bin );
VisInput *input = visual_bin_get_input( bin );
if( visual_input_set_callback( input, upload_callback, NULL ) < 0 ) exit( "Cannot set input plugin callback" );
visual_bin_switch_set_style( bin, VISUAL_SWITCH_STYLE_MORPH );
visual_bin_switch_set_automatic( bin, true );
visual_bin_switch_set_steps( bin, 100 );
visual_bin_realize( bin );
visual_bin_sync( bin, false );
std::cout << "[PANA] Libvisual version " << visual_get_version() << '\n';
std::cout << "[PANA] bpp: " << video->bpp << std::endl;
std::cout << "[PANA] GL: " << (pluginIsGL ? "true\n" : "false\n");
}
int main (int argc, char **argv)
{
char *d1, *d2;
VisVideo *dest, *src;
VisVideoDepth depth1, depth2;
int i;
visual_init (&argc, &argv);
if (argc > 2) {
d1 = argv[1];
d2 = argv[2];
} else {
d1 = strdup("32");
d2 = strdup("16");
}
depth1 = visual_video_depth_enum_from_value(atoi(d1));
depth2 = visual_video_depth_enum_from_value(atoi(d2));
dest = visual_video_new ();
visual_video_set_depth (dest, depth1);
visual_video_set_dimension (dest, 640, 400);
visual_video_set_palette (dest, visual_palette_new (256));
visual_video_allocate_buffer (dest);
src = visual_video_new ();
visual_video_set_depth (src, depth2);
visual_video_set_dimension (src, 640, 400);
visual_video_set_palette (src, visual_palette_new (256));
visual_video_allocate_buffer (src);
for (i = 0; i < TIMES; i++)
visual_video_depth_transform (dest, src);
printf ("Depth transformed %d times from %s to %s\n", TIMES, d1, d2);
}
VisVideo *visual_video_new_with_buffer (int width, int height, VisVideoDepth depth)
{
VisVideo *video;
int ret;
video = visual_video_new ();
visual_video_set_depth (video, depth);
visual_video_set_dimension (video, width, height);
ret = visual_video_allocate_buffer (video);
if (ret < 0) {
visual_object_unref (VISUAL_OBJECT (video));
return NULL;
}
return video;
}
int visual_bin_switch_actor (VisBin *bin, VisActor *actor)
{
VisVideo *privvid;
visual_log_return_val_if_fail (bin != NULL, -1);
visual_log_return_val_if_fail (actor != NULL, -1);
/* Set the new actor */
bin->actmorph = actor;
visual_log (VISUAL_LOG_DEBUG, "entering...");
/* Free the private video */
if (bin->privvid != NULL) {
visual_object_unref (VISUAL_OBJECT (bin->privvid));
bin->privvid = NULL;
}
visual_log (VISUAL_LOG_INFO, _("depth of the main actor: %d"), bin->actor->video->depth);
/* Starting the morph, but first check if we don't have anything todo with openGL */
if (bin->morphstyle == VISUAL_SWITCH_STYLE_MORPH &&
bin->actor->video->depth != VISUAL_VIDEO_DEPTH_GL &&
bin->actmorph->video->depth != VISUAL_VIDEO_DEPTH_GL &&
bin->depthfromGL != TRUE) {
if (bin->morph != NULL && bin->morph->plugin != NULL) {
visual_morph_set_rate (bin->morph, 0);
visual_morph_set_video (bin->morph, bin->actvideo);
if (bin->morphautomatic == TRUE)
visual_morph_set_mode (bin->morph, bin->morphmode);
else
visual_morph_set_mode (bin->morph, VISUAL_MORPH_MODE_SET);
visual_morph_set_time (bin->morph, &bin->morphtime);
visual_morph_set_steps (bin->morph, bin->morphsteps);
}
bin->morphrate = 0;
bin->morphstepsdone = 0;
visual_log (VISUAL_LOG_DEBUG, "phase 1");
/* Allocate a private video for the main actor, so the morph
* can draw to the framebuffer */
privvid = visual_video_new ();
visual_log (VISUAL_LOG_DEBUG, "actvideo->depth %d actmorph->video->depth %d",
bin->actvideo->depth, bin->actmorph->video->depth);
visual_log (VISUAL_LOG_DEBUG, "phase 2");
visual_video_clone (privvid, bin->actvideo);
visual_log (VISUAL_LOG_DEBUG, "phase 3 pitch privvid %d actvideo %d", privvid->pitch, bin->actvideo->pitch);
visual_video_allocate_buffer (privvid);
visual_log (VISUAL_LOG_DEBUG, "phase 4");
/* Initial privvid initialize */
visual_log (VISUAL_LOG_DEBUG, "actmorph->video->depth %d %p", bin->actmorph->video->depth,
visual_video_get_pixels (bin->actvideo));
if (visual_video_get_pixels (bin->actvideo) != NULL && visual_video_get_pixels (privvid) != NULL)
visual_mem_copy (visual_video_get_pixels (privvid), visual_video_get_pixels (bin->actvideo),
visual_video_get_size (privvid));
else if (visual_video_get_pixels (privvid) != NULL)
visual_mem_set (visual_video_get_pixels (privvid), 0, visual_video_get_size (privvid));
visual_actor_set_video (bin->actor, privvid);
bin->privvid = privvid;
} else {
visual_log (VISUAL_LOG_DEBUG, "Pointer actvideo->pixels %p", visual_video_get_pixels (bin->actvideo));
if (bin->actor->video->depth != VISUAL_VIDEO_DEPTH_GL &&
visual_video_get_pixels (bin->actvideo) != NULL) {
visual_mem_set (visual_video_get_pixels (bin->actvideo), 0, visual_video_get_size (bin->actvideo));
}
}
visual_log (VISUAL_LOG_DEBUG, "Leaving, actor->video->depth: %d actmorph->video->depth: %d",
bin->actor->video->depth, bin->actmorph->video->depth);
bin->morphing = TRUE;
return 0;
}
int visual_bin_switch_actor_by_name (VisBin *bin, char *actname)
{
VisActor *actor;
VisVideo *video;
int depthflag;
int depth;
visual_log_return_val_if_fail (bin != NULL, -1);
visual_log_return_val_if_fail (actname != NULL, -1);
visual_log (VISUAL_LOG_DEBUG, "switching to a new actor: %s, old actor: %s", actname, bin->actor->plugin->info->name);
/* Destroy if there already is a managed one */
if (bin->actmorphmanaged == TRUE) {
if (bin->actmorph != NULL) {
visual_object_unref (VISUAL_OBJECT (bin->actmorph));
if (bin->actmorphvideo != NULL)
visual_object_unref (VISUAL_OBJECT (bin->actmorphvideo));
}
}
/* Create a new managed actor */
actor = visual_actor_new (actname);
visual_log_return_val_if_fail (actor != NULL, -1);
video = visual_video_new ();
visual_video_clone (video, bin->actvideo);
depthflag = visual_actor_get_supported_depth (actor);
if (visual_video_depth_is_supported (depthflag, VISUAL_VIDEO_DEPTH_GL) == TRUE) {
visual_log (VISUAL_LOG_INFO, _("Switching to Gl mode"));
bin->depthforced = VISUAL_VIDEO_DEPTH_GL;
bin->depthforcedmain = VISUAL_VIDEO_DEPTH_GL;
visual_video_set_depth (video, VISUAL_VIDEO_DEPTH_GL);
visual_bin_set_depth (bin, VISUAL_VIDEO_DEPTH_GL);
bin->depthchanged = TRUE;
} else {
visual_log (VISUAL_LOG_INFO, _("Switching away from Gl mode -- or non Gl switch"));
/* Switching from GL */
depth = bin_get_depth_using_preferred (bin, depthflag);
fix_depth_with_bin (bin, video, depth);
visual_log (VISUAL_LOG_DEBUG, "after depth fixating");
/* After a depth change, the pitch value needs an update from the client
* if it's different from width * bpp, after a visual_bin_sync
* the issues are fixed again */
visual_log (VISUAL_LOG_INFO, _("video depth (from fixate): %d"), video->depth);
/* FIXME check if there are any unneeded depth transform environments and drop these */
visual_log (VISUAL_LOG_DEBUG, "checking if we need to drop something: depthforcedmain: %d actvideo->depth %d",
bin->depthforcedmain, bin->actvideo->depth);
/* Drop a transformation environment when not needed */
if (bin->depthforcedmain != bin->actvideo->depth) {
visual_actor_video_negotiate (bin->actor, bin->depthforcedmain, TRUE, TRUE);
visual_log (VISUAL_LOG_DEBUG, "[[[[optionally a bogus transform environment, dropping]]]]\n");
}
if (bin->actvideo->depth > video->depth
&& bin->actvideo->depth != VISUAL_VIDEO_DEPTH_GL
&& bin->morphstyle == VISUAL_SWITCH_STYLE_MORPH) {
visual_log (VISUAL_LOG_INFO, _("old depth is higher, video depth %d, depth %d, bin depth %d"), video->depth, depth,
bin->depth);
bin->depthforced = depth;
bin->depthforcedmain = bin->depth;
visual_bin_set_depth (bin, bin->actvideo->depth);
visual_video_set_depth (video, bin->actvideo->depth);
} else if (bin->actvideo->depth != VISUAL_VIDEO_DEPTH_GL) {
visual_log (VISUAL_LOG_INFO, _("new depth is higher, or equal: video depth %d, depth %d bin depth %d"), video->depth, depth,
bin->depth);
visual_log (VISUAL_LOG_DEBUG, "depths i can locate: actvideo: %d bin: %d bin-old: %d", bin->actvideo->depth,
bin->depth, bin->depthold);
bin->depthforced = video->depth;
bin->depthforcedmain = bin->depth;
visual_log (VISUAL_LOG_DEBUG, "depthforcedmain in switch by name: %d", bin->depthforcedmain);
visual_log (VISUAL_LOG_DEBUG, "visual_bin_set_depth %d", video->depth);
visual_bin_set_depth (bin, video->depth);
} else {
/* Don't force ourself into a GL depth, seen we do a direct
* switch in the run */
bin->depthforced = video->depth;
bin->depthforcedmain = video->depth;
visual_log (VISUAL_LOG_INFO, _("Switching from Gl TO framebuffer for real, framebuffer depth: %d"), video->depth);
}
visual_log (VISUAL_LOG_INFO, _("Target depth selected: %d"), depth);
visual_video_set_dimension (video, video->width, video->height);
visual_log (VISUAL_LOG_INFO, _("Switch to new pitch: %d"), bin->actvideo->pitch);
if (bin->actvideo->depth != VISUAL_VIDEO_DEPTH_GL)
visual_video_set_pitch (video, bin->actvideo->pitch);
visual_log (VISUAL_LOG_DEBUG, "before allocating buffer");
visual_video_allocate_buffer (video);
visual_log (VISUAL_LOG_DEBUG, "after allocating buffer");
}
visual_log (VISUAL_LOG_INFO, _("video pitch of that what connects to the new actor %d"), video->pitch);
visual_actor_set_video (actor, video);
bin->actmorphvideo = video;
bin->actmorphmanaged = TRUE;
visual_log (VISUAL_LOG_INFO, _("switching... ******************************************"));
visual_bin_switch_actor (bin, actor);
visual_log (VISUAL_LOG_INFO, _("end switch actor by name function ******************"));
return 0;
}
static GstStateChangeReturn
gst_visual_change_state (GstElement * element, GstStateChange transition)
{
GstVisual *visual = GST_VISUAL (element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
visual->actor =
visual_actor_new (GST_VISUAL_GET_CLASS (visual)->plugin->
info->plugname);
visual->video = visual_video_new ();
visual->audio = visual_audio_new ();
/* can't have a play without actors */
if (!visual->actor || !visual->video)
goto no_actors;
if (visual_actor_realize (visual->actor) != 0)
goto no_realize;
visual_actor_set_video (visual->actor, visual->video);
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_visual_reset (visual);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_visual_clear_actors (visual);
break;
default:
break;
}
return ret;
/* ERRORS */
no_actors:
{
GST_ELEMENT_ERROR (visual, LIBRARY, INIT, (NULL),
("could not create actors"));
gst_visual_clear_actors (visual);
return GST_STATE_CHANGE_FAILURE;
}
no_realize:
{
GST_ELEMENT_ERROR (visual, LIBRARY, INIT, (NULL),
("could not realize actor"));
gst_visual_clear_actors (visual);
return GST_STATE_CHANGE_FAILURE;
}
}
/* Main stuff */
int main (int argc, char *argv[])
{
int width = 1000, height = 600;
int i, j;
int freeze = 0;
int depthflag = 0;
int alpha = 128;
bpp = 4;
sdl_init (width, height);
scrbuf = malloc (screen->pitch * screen->h);
memset (scrbuf, 0, screen->pitch * screen->h);
SDL_Event event;
visual_init (&argc, &argv);
if (argc > 1)
actor = visual_actor_new (argv[1]);
else
actor = visual_actor_new ("G-Force");
visual_actor_realize (actor);
video = visual_video_new ();
visual_actor_set_video (actor, video);
visual_video_set_depth (video, VISUAL_VIDEO_DEPTH_32BIT);
visual_video_set_dimension (video, 256, 256);
visual_video_allocate_buffer (video);
visual_actor_video_negotiate (actor, 0, FALSE, FALSE);
scalevid = visual_video_new ();
visual_video_set_depth (scalevid, VISUAL_VIDEO_DEPTH_32BIT);
visual_video_set_dimension (scalevid, 300, 400);
visual_video_allocate_buffer (scalevid);
sdlvid = visual_video_new ();
visual_video_set_depth (sdlvid, VISUAL_VIDEO_DEPTH_32BIT);
visual_video_set_dimension (sdlvid, screen->w, screen->h);
visual_video_set_pitch (sdlvid, screen->pitch);
visual_video_set_buffer (sdlvid, scrbuf);
input = visual_input_new ("alsa");
visual_input_realize (input);
while (1) {
visual_input_run (input);
visual_actor_run (actor, input->audio);
/* place on screen */
visual_video_blit_overlay (sdlvid, video, 0, 0, FALSE);
visual_video_set_palette (scalevid, visual_actor_get_palette (actor));
visual_video_scale (scalevid, video, VISUAL_VIDEO_SCALE_BILINEAR);
visual_video_blit_overlay (sdlvid, scalevid, 256, 0, FALSE);
sdl_draw_buf ();
usleep (5000);
while (SDL_PollEvent (&event)) {
switch (event.type) {
case SDL_KEYDOWN:
switch (event.key.keysym.sym) {
case SDLK_F11:
sdl_fullscreen_toggle ();
break;
case SDLK_q:
alpha -= 8;
if (alpha < 0)
alpha = 0;
break;
case SDLK_a:
alpha += 8;
if (alpha > 255)
alpha = 255;
break;
case SDLK_ESCAPE:
goto out;
break;
}
break;
case SDL_VIDEORESIZE:
sdl_size_request (event.resize.w, event.resize.h);
break;
case SDL_QUIT:
goto out;
break;
}
}
}
out:
SDL_Quit ();
}
static GstStateChangeReturn
gst_visual_gl_change_state (GstElement * element, GstStateChange transition)
{
GstVisualGL *visual = GST_VISUAL_GL (element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
GstElement *parent = GST_ELEMENT (gst_element_get_parent (visual));
GstStructure *structure = NULL;
GstQuery *query = NULL;
gboolean isPerformed = FALSE;
gchar *name;
if (!parent) {
GST_ELEMENT_ERROR (visual, CORE, STATE_CHANGE, (NULL),
("A parent bin is required"));
return FALSE;
}
name = gst_element_get_name (visual);
structure = gst_structure_new (name, NULL);
query = gst_query_new_application (GST_QUERY_CUSTOM, structure);
g_free (name);
isPerformed = gst_element_query (parent, query);
if (isPerformed) {
const GValue *id_value =
gst_structure_get_value (structure, "gstgldisplay");
if (G_VALUE_HOLDS_POINTER (id_value))
/* at least one gl element is after in our gl chain */
visual->display =
gst_object_ref (GST_GL_DISPLAY (g_value_get_pointer (id_value)));
else {
/* this gl filter is a sink in terms of the gl chain */
visual->display = gst_gl_display_new ();
gst_gl_display_create_context (visual->display, 0);
//TODO visual->external_gl_context);
}
gst_visual_gl_reset (visual);
visual->actor =
visual_actor_new (GST_VISUAL_GL_GET_CLASS (visual)->plugin->info->
plugname);
visual->video = visual_video_new ();
visual->audio = visual_audio_new ();
if (!visual->actor || !visual->video)
goto actor_setup_failed;
gst_gl_display_thread_add (visual->display,
(GstGLDisplayThreadFunc) actor_setup, visual);
if (visual->actor_setup_result != 0)
goto actor_setup_failed;
else
visual_actor_set_video (visual->actor, visual->video);
}
gst_query_unref (query);
gst_object_unref (GST_OBJECT (parent));
if (!isPerformed)
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
{
if (visual->fbo) {
gst_gl_display_del_fbo (visual->display, visual->fbo,
visual->depthbuffer);
visual->fbo = 0;
visual->depthbuffer = 0;
}
if (visual->midtexture) {
gst_gl_display_del_texture (visual->display, visual->midtexture,
visual->width, visual->height);
visual->midtexture = 0;
}
if (visual->display) {
gst_object_unref (visual->display);
visual->display = NULL;
}
gst_visual_gl_clear_actors (visual);
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
/* ERRORS */
actor_setup_failed:
{
GST_ELEMENT_ERROR (visual, LIBRARY, INIT, (NULL),
("could not set up actor"));
gst_visual_gl_clear_actors (visual);
return GST_STATE_CHANGE_FAILURE;
}
}
/** VisVideo.videoNew() */
JNIEXPORT jint JNICALL Java_org_libvisual_android_VisVideo_videoNew(JNIEnv * env, jobject obj)
{
LOGI("VisVideo.videoNew()");
return (jint) visual_video_new();
}
/* Main stuff */
int main (int argc, char *argv[])
{
int width = 1000, height = 600;
int i, j;
int freeze = 0;
int depthflag = 0;
int alpha = 190;
int xoff = 0, yoff = -90;
int sxsize = 1000;
int sysize = 700;
int interpol = VISUAL_VIDEO_SCALE_NEAREST;
int frames = 0;
VisTime start, end;
bpp = 4;
sdl_init (width, height);
scrbuf = malloc (screen->pitch * screen->h);
memset (scrbuf, 0, screen->pitch * screen->h);
SDL_Event event;
visual_init (&argc, &argv);
if (argc > 1)
actor = visual_actor_new (argv[1]);
else
actor = visual_actor_new ("corona");
visual_actor_realize (actor);
video = visual_video_new ();
if (argc > 2)
video = visual_bitmap_load_new_video (argv[2]);
else
video = visual_bitmap_load_new_video ("bg.bmp");
actvid = visual_video_new ();
visual_actor_set_video (actor, actvid);
visual_video_set_depth (actvid, visual_video_depth_get_highest (visual_actor_get_supported_depth (actor)));
visual_video_set_dimension (actvid, width, height);
visual_video_allocate_buffer (actvid);
visual_actor_video_negotiate (actor, 0, FALSE, FALSE);
video32 = visual_video_new ();
visual_video_set_depth (video32, VISUAL_VIDEO_DEPTH_32BIT);
visual_video_set_dimension (video32, video->width, video->height);
visual_video_allocate_buffer (video32);
scalevid = visual_video_new ();
visual_video_set_depth (scalevid, VISUAL_VIDEO_DEPTH_32BIT);
visual_video_set_dimension (scalevid, sxsize, sysize);
visual_video_allocate_buffer (scalevid);
sdlvid = visual_video_new ();
visual_video_set_depth (sdlvid, VISUAL_VIDEO_DEPTH_32BIT);
visual_video_set_dimension (sdlvid, screen->w, screen->h);
visual_video_set_pitch (sdlvid, screen->pitch);
visual_video_set_buffer (sdlvid, scrbuf);
input = visual_input_new ("xmms2");
visual_input_realize (input);
SDL_EnableKeyRepeat (SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
visual_time_get (&start);
while (1) {
visual_input_run (input);
visual_actor_run (actor, input->audio);
/* place on screen */
// visual_video_blit_overlay (sdlvid, video, 0, 0, FALSE);
if (sxsize < 0)
sxsize = 0;
if (sysize < 0)
sysize = 0;
if (sxsize != scalevid->width || sysize != scalevid->height) {
visual_video_set_dimension (scalevid, sxsize, sysize);
visual_video_allocate_buffer (scalevid);
}
visual_video_depth_transform (video32, video);
// visual_video_alpha_fill (sdlvid, 0);
// visual_video_alpha_fill (video32, alpha);
// visual_video_alpha_color (video32, 0, 0, 0, 255);
do_alpha (video32, alpha);
visual_video_scale (scalevid, video32, interpol);
visual_video_blit_overlay (sdlvid, actvid, 0, 0, FALSE);
visual_video_blit_overlay (sdlvid, scalevid, xoff, yoff, TRUE);
sdl_draw_buf ();
frames++;
while (SDL_PollEvent (&event)) {
switch (event.type) {
case SDL_KEYDOWN:
switch (event.key.keysym.sym) {
case SDLK_F11:
SDL_WM_ToggleFullScreen (screen);
break;
case SDLK_UP:
yoff -= 10;
break;
case SDLK_DOWN:
yoff += 10;
break;
case SDLK_LEFT:
xoff -= 10;
break;
case SDLK_RIGHT:
xoff += 10;
break;
case SDLK_q:
sysize -= 10;
break;
case SDLK_a:
sysize += 10;
break;
case SDLK_z:
sxsize -= 10;
break;
case SDLK_x:
sxsize += 10;
break;
case SDLK_i:
if (interpol == VISUAL_VIDEO_SCALE_NEAREST)
interpol = VISUAL_VIDEO_SCALE_BILINEAR;
else
interpol = VISUAL_VIDEO_SCALE_NEAREST;
break;
case SDLK_o:
alpha -= 8;
if (alpha < 0)
alpha = 0;
break;
case SDLK_p:
alpha += 8;
if (alpha > 255)
alpha = 255;
break;
case SDLK_ESCAPE:
goto out;
break;
}
break;
case SDL_VIDEORESIZE:
sdl_size_request (event.resize.w, event.resize.h);
break;
case SDL_QUIT:
goto out;
break;
}
}
}
out:
visual_time_get (&end);
VisTime diff;
visual_time_difference (&diff, &start, &end);
printf ("Ran: %d:%d, drawn %d frames\n",
diff.tv_sec, diff.tv_usec, frames);
SDL_Quit ();
}
int bg_lv_load(bg_plugin_handle_t * ret,
const char * name, int plugin_flags, const char * window_id)
{
lv_priv_t * priv;
int i;
bg_visualization_plugin_t * p;
VisVideoAttributeOptions *vidoptions;
check_init();
/* Set up callbacks */
p = calloc(1, sizeof(*p));
ret->plugin_nc = (bg_plugin_common_t*)p;
ret->plugin = ret->plugin_nc;
if(plugin_flags & BG_PLUGIN_VISUALIZE_GL)
{
p->open_win = open_gl_lv;
p->draw_frame = draw_frame_gl_lv;
p->show_frame = show_frame_lv;
}
else
{
p->open_ov = open_ov_lv;
p->draw_frame = draw_frame_ov_lv;
}
p->update = update_lv;
p->close = close_lv;
p->set_callbacks = set_callbacks_lv;
p->common.get_parameters = get_parameters_lv;
p->common.set_parameter = set_parameter_lv;
/* Set up private data */
priv = calloc(1, sizeof(*priv));
ret->priv = priv;
priv->audio = visual_audio_new();
#if 0
priv->ov_callbacks.data = priv;
priv->ov_callbacks.key_callback = key_callback;
priv->ov_callbacks.key_release_callback = key_release_callback;
priv->ov_callbacks.button_callback = button_callback;
priv->ov_callbacks.button_release_callback = button_release_callback;
priv->ov_callbacks.motion_callback = motion_callback;
#endif
/* Remove gmerlin added prefix from the plugin name */
priv->actor = visual_actor_new(name + 7);
if(plugin_flags & BG_PLUGIN_VISUALIZE_GL)
{
priv->win = bg_x11_window_create(window_id);
priv->window_callbacks.data = priv;
priv->window_callbacks.size_changed = size_changed;
priv->window_callbacks.key_callback = key_callback;
priv->window_callbacks.key_release_callback = key_release_callback;
priv->window_callbacks.button_callback = button_callback;
priv->window_callbacks.button_release_callback = button_release_callback;
priv->window_callbacks.motion_callback = motion_callback;
/* Create an OpenGL context. For this, we need the OpenGL attributes */
vidoptions = visual_actor_get_video_attribute_options(priv->actor);
for(i = 0; i < VISUAL_GL_ATTRIBUTE_LAST; i++)
{
if((vidoptions->gl_attributes[i].mutated) && (bg_attributes[i] >= 0))
{
bg_x11_window_set_gl_attribute(priv->win, bg_attributes[i],
vidoptions->gl_attributes[i].value);
}
}
/* Set bogus dimensions, will be corrected by the size_callback */
bg_x11_window_set_size(priv->win, 640, 480);
bg_x11_window_realize(priv->win);
bg_x11_window_start_gl(priv->win);
bg_x11_window_set_gl(priv->win);
}
visual_actor_realize(priv->actor);
if(plugin_flags & BG_PLUGIN_VISUALIZE_GL)
bg_x11_window_unset_gl(priv->win);
priv->parameters = create_parameters(priv->actor, &priv->widgets, &priv->params);
priv->video = visual_video_new();
return 1;
}
