LLMediaImplGStreamer::
LLMediaImplGStreamer () :
mediaData ( NULL ),
mMediaRowbytes ( 1 ),
mTextureFormatPrimary ( LL_MEDIA_BGRA ),
mTextureFormatType ( LL_MEDIA_UNSIGNED_INT_8_8_8_8_REV ),
mPump ( NULL ),
mPlaybin ( NULL ),
mVideoSink ( NULL )
#ifdef LL_GST_SOUNDSINK
,mAudioSink ( NULL )
#endif // LL_GST_SOUNDSINK
{
DEBUGMSG("constructing media...");
setMediaDepth(4);
// Create a pumpable main-loop for this media
mPump = g_main_loop_new (NULL, FALSE);
if (!mPump)
{
return; // error
}
// instantiate a playbin element to do the hard work
mPlaybin = llgst_element_factory_make ("playbin", "play");
if (!mPlaybin)
{
// todo: cleanup pump
return; // error
}
if (NULL == getenv("LL_GSTREAMER_EXTERNAL")) {
// instantiate and connect a custom video sink
mVideoSink =
GST_SLVIDEO(llgst_element_factory_make ("private-slvideo", "slvideo"));
if (!mVideoSink)
{
WARNMSG("Could not instantiate private-slvideo element.");
// todo: cleanup.
return; // error
}
g_object_set(mPlaybin, "video-sink", mVideoSink, NULL);
#ifdef LL_GST_SOUNDSINK
// instantiate and connect a custom audio sink
mAudioSink =
GST_SLSOUND(llgst_element_factory_make ("private-slsound", "slsound"));
if (!mAudioSink)
{
WARNMSG("Could not instantiate private-slsound element.");
// todo: cleanup.
return; // error
}
g_object_set(mPlaybin, "audio-sink", mAudioSink, NULL);
#endif
}
}
bool
MediaPluginGStreamer010::load()
{
if (!mDoneInit)
return false; // error
setStatus(STATUS_LOADING);
DEBUGMSG("setting up media...");
mIsLooping = false;
mVolume = 0.1234567; // minor hack to force an initial volume update
// Create a pumpable main-loop for this media
mPump = g_main_loop_new (NULL, FALSE);
if (!mPump)
{
setStatus(STATUS_ERROR);
return false; // error
}
// instantiate a playbin element to do the hard work
mPlaybin = llgst_element_factory_make ("playbin", "play");
if (!mPlaybin)
{
setStatus(STATUS_ERROR);
return false; // error
}
// get playbin's bus
GstBus *bus = llgst_pipeline_get_bus (GST_PIPELINE (mPlaybin));
if (!bus)
{
setStatus(STATUS_ERROR);
return false; // error
}
mBusWatchID = llgst_bus_add_watch (bus,
llmediaimplgstreamer_bus_callback,
this);
llgst_object_unref (bus);
if (NULL == getenv("LL_GSTREAMER_EXTERNAL")) {
// instantiate a custom video sink
mVideoSink =
GST_SLVIDEO(llgst_element_factory_make ("private-slvideo", "slvideo"));
if (!mVideoSink)
{
WARNMSG("Could not instantiate private-slvideo element.");
// todo: cleanup.
setStatus(STATUS_ERROR);
return false; // error
}
// connect the pieces
g_object_set(mPlaybin, "video-sink", mVideoSink, NULL);
}
return true;
}
BOOL
LLMediaImplGStreamer::
init ()
{
static bool done_init = false;
if (!done_init)
{
// Init the glib type system - we need it.
g_type_init();
// Get symbols!
if (! grab_gst_syms("libgstreamer-0.10.so.0",
"libgstvideo-0.10.so.0",
"libgstaudio-0.10.so.0") )
{
llwarns << "Couldn't find suitable GStreamer 0.10 support on this system - video playback disabled." << llendl;
return FALSE;
}
if (llgst_segtrap_set_enabled)
llgst_segtrap_set_enabled(FALSE);
else
llwarns << "gst_segtrap_set_enabled() is not available; Second Life automated crash-reporter may cease to function until next restart." << llendl;
if (0 == llgst_init_check(NULL, NULL, NULL))
{
llwarns << "GST init failed for unspecified reason." << llendl;
return FALSE;
}
// Init our custom plugins - only really need do this once.
gst_slvideo_init_class();
#if 0
gst_slsound_init_class();
#endif
done_init = true;
}
mVolume = 0.1234567; // minor hack to force an initial volume update
// Create a pumpable main-loop for this media
mPump = g_main_loop_new (NULL, FALSE);
if (!mPump)
{
return FALSE;
}
// instantiate a playbin element to do the hard work
mPlaybin = llgst_element_factory_make ("playbin", "play");
if (!mPlaybin)
{
// todo: cleanup pump
return FALSE;
}
if (NULL == getenv("LL_GSTREAMER_EXTERNAL")) {
// instantiate and connect a custom video sink
mVideoSink =
GST_SLVIDEO(llgst_element_factory_make ("private-slvideo", "slvideo"));
if (!mVideoSink)
{
llwarns << "Could not instantiate private-slvideo element."
<< llendl;
// todo: cleanup.
return FALSE;
}
g_object_set(mPlaybin, "video-sink", mVideoSink, NULL);
#ifdef LL_GST_SOUNDSINK
// instantiate and connect a custom audio sink
mAudioSink =
GST_SLSOUND(llgst_element_factory_make ("private-slsound", "slsound"));
if (!mAudioSink)
{
llwarns << "Could not instantiate private-slsound element."
<< llendl;
// todo: cleanup.
return FALSE;
}
g_object_set(mPlaybin, "audio-sink", mAudioSink, NULL);
#endif
}
return LLMediaMovieBase::init();
}
bool
MediaPluginGStreamer010::load()
{
if (!mDoneInit)
return false; // error
setStatus(STATUS_LOADING);
DEBUGMSG("setting up media...");
mIsLooping = false;
mVolume = 0.1234567; // minor hack to force an initial volume update
// Create a pumpable main-loop for this media
mPump = g_main_loop_new (NULL, FALSE);
if (!mPump)
{
setStatus(STATUS_ERROR);
return false; // error
}
// instantiate a playbin element to do the hard work
mPlaybin = llgst_element_factory_make ("playbin", "play");
if (!mPlaybin)
{
setStatus(STATUS_ERROR);
return false; // error
}
// get playbin's bus
GstBus *bus = llgst_pipeline_get_bus (GST_PIPELINE (mPlaybin));
if (!bus)
{
setStatus(STATUS_ERROR);
return false; // error
}
mBusWatchID = llgst_bus_add_watch (bus,
llmediaimplgstreamer_bus_callback,
this);
llgst_object_unref (bus);
#if 0 // not quite stable/correct yet
// get a visualizer element (bonus feature!)
char* vis_name = getenv("LL_GST_VIS_NAME");
if (!vis_name ||
(vis_name && std::string(vis_name)!="none"))
{
if (vis_name)
{
mVisualizer = llgst_element_factory_make (vis_name, "vis");
}
if (!mVisualizer)
{
mVisualizer = llgst_element_factory_make ("libvisual_jess", "vis");
if (!mVisualizer)
{
mVisualizer = llgst_element_factory_make ("goom", "vis");
if (!mVisualizer)
{
mVisualizer = llgst_element_factory_make ("libvisual_lv_scope", "vis");
if (!mVisualizer)
{
// That's okay, we don't NEED this.
}
}
}
}
}
#endif
if (NULL == getenv("LL_GSTREAMER_EXTERNAL")) {
// instantiate a custom video sink
mVideoSink =
GST_SLVIDEO(llgst_element_factory_make ("private-slvideo", "slvideo"));
if (!mVideoSink)
{
WARNMSG("Could not instantiate private-slvideo element.");
// todo: cleanup.
setStatus(STATUS_ERROR);
return false; // error
}
// connect the pieces
g_object_set(mPlaybin, "video-sink", mVideoSink, NULL);
}
if (mVisualizer)
{
g_object_set(mPlaybin, "vis-plugin", mVisualizer, NULL);
}
return true;
}
