C++ (Cpp) gf_sc_ar_reconfig Beispiele

Beispiel #1

Datei: audio_render.c Projekt: HungMingWu/gpac

u32 gf_ar_proc(void *p)
{
	GF_AudioRenderer *ar = (GF_AudioRenderer *) p;

	ar->audio_th_state = 1;

	GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[AudioRender] Entering audio thread ID %d\n", gf_th_id() ));

	gf_mixer_lock(ar->mixer, GF_TRUE);
	ar->need_reconfig = GF_TRUE;
	gf_sc_ar_reconfig(ar);
	gf_mixer_lock(ar->mixer, GF_FALSE);

	while (ar->audio_th_state == 1) {
		//do mix even if mixer is empty, otherwise we will push the same buffer over and over to the sound card
/*
		if (ar->Frozen ) {
			gf_sleep(0);
		} else 
*/		{
			if (ar->need_reconfig) gf_sc_ar_reconfig(ar);
			ar->audio_out->WriteAudio(ar->audio_out);
		}
	}
	GF_LOG(GF_LOG_DEBUG, GF_LOG_AUDIO, ("[AudioRender] Exiting audio thread\n"));
	ar->audio_out->Shutdown(ar->audio_out);
	ar->audio_th_state = 3;
	return 0;
}

Beispiel #2

Datei: audio_render.c Projekt: DmitrySigaev/gpac_hbbtv

u32 gf_ar_proc(void *p)
{
	GF_AudioRenderer *ar = (GF_AudioRenderer *) p;

	ar->audio_th_state = 1;

	GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[AudioRender] Entering audio thread ID %d\n", gf_th_id() ));

	gf_mixer_lock(ar->mixer, 1);
	ar->need_reconfig = 1;
	gf_sc_ar_reconfig(ar);
	gf_mixer_lock(ar->mixer, 0);

	while (ar->audio_th_state == 1) {
		//GF_LOG(GF_LOG_DEBUG, GF_LOG_AUDIO, ("[AudioRender] Audio simulation step\n"));
		
		/*THIS IS NEEDED FOR SYMBIAN - if no yield here, the audio module always grabs the 
		main mixer mutex and it takes forever before it can be grabed by another thread, 
		for instance when reconfiguring scene*/
//		gf_sleep(1);

		gf_mixer_lock(ar->mixer, 1);
		if (ar->Frozen || gf_mixer_empty(ar->mixer) ) {
			gf_mixer_lock(ar->mixer, 0);
			gf_sleep(33);
		} else {
			if (ar->need_reconfig) gf_sc_ar_reconfig(ar);
			ar->audio_out->WriteAudio(ar->audio_out);
			gf_mixer_lock(ar->mixer, 0);
		}
	}
	GF_LOG(GF_LOG_DEBUG, GF_LOG_AUDIO, ("[AudioRender] Exiting audio thread\n"));
	ar->audio_out->Shutdown(ar->audio_out);
	ar->audio_th_state = 3;
	return 0;
}