Updated sound code from latest master
This commit is contained in:
Dimitris Panokostas
parent
0afa4b930e
commit
2f3d0d0b0b
1 changed files with 183 additions and 148 deletions
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@ -28,17 +28,20 @@
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#include <android/log.h>
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#endif
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// "consumer" means the actual SDL sound output, as opposed to
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#define SOUND_CONSUMER_BUFFER_LENGTH (SNDBUFFER_LEN * SOUND_BUFFERS_COUNT / 4)
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extern unsigned long next_sample_evtime;
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int produce_sound=0;
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int changed_produce_sound=0;
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int produce_sound = 0;
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int changed_produce_sound = 0;
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#define SOUND_USE_SEMAPHORES
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uae_u16 sndbuffer[SOUND_BUFFERS_COUNT][(SNDBUFFER_LEN+32)*DEFAULT_SOUND_CHANNELS];
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// #define SOUND_USE_SEMAPHORES
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uae_u16 sndbuffer[SOUND_BUFFERS_COUNT][(SNDBUFFER_LEN + 32)*DEFAULT_SOUND_CHANNELS];
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unsigned n_callback_sndbuff, n_render_sndbuff;
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uae_u16 *sndbufpt = sndbuffer[0];
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uae_u16 *render_sndbuff = sndbuffer[0];
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uae_u16 *finish_sndbuff = sndbuffer[0] + SNDBUFFER_LEN*2;
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uae_u16 *finish_sndbuff = sndbuffer[0] + SNDBUFFER_LEN * 2;
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uae_u16 cdaudio_buffer[CDAUDIO_BUFFERS][(CDAUDIO_BUFFER_LEN + 32) * 2];
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uae_u16 *cdbufpt = cdaudio_buffer[0];
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@ -54,33 +57,33 @@ extern int screen_is_picasso;
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#ifdef NO_SOUND
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void finish_sound_buffer (void) { }
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void finish_sound_buffer(void) {}
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int setup_sound (void) { sound_available = 0; return 0; }
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int setup_sound(void) { sound_available = 0; return 0; }
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void close_sound (void) { }
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void close_sound(void) {}
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void pandora_stop_sound (void) { }
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void pandora_stop_sound(void) {}
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int init_sound (void) { return 0; }
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int init_sound(void) { return 0; }
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void pause_sound (void) { }
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void pause_sound(void) {}
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void resume_sound (void) { }
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void resume_sound(void) {}
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void update_sound (float) { }
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void update_sound(float) {}
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void reset_sound (void) { }
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void reset_sound(void) {}
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void uae4all_init_sound(void) { }
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void uae4all_init_sound(void) {}
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void uae4all_play_click(void) { }
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void uae4all_play_click(void) {}
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void uae4all_pause_music(void) { }
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void uae4all_pause_music(void) {}
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void uae4all_resume_music(void) { }
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void uae4all_resume_music(void) {}
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void restart_sound_buffer(void) { }
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void restart_sound_buffer(void) {}
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#else
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@ -88,11 +91,11 @@ void restart_sound_buffer(void) { }
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static int have_sound = 0;
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static int lastfreq;
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void update_sound (float clk)
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void update_sound(float clk)
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{
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float evtime;
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float evtime;
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evtime = clk * CYCLE_UNIT / (float)currprefs.sound_freq;
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evtime = clk * CYCLE_UNIT / (float)currprefs.sound_freq;
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scaled_sample_evtime = (int)evtime;
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}
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@ -101,61 +104,85 @@ static int sound_thread_active = 0, sound_thread_exit = 0;
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static sem_t sound_sem, callback_sem;
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#define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
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static int cnt = 0;
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static int rdcnt = 0;
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static int wrcnt = 0;
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static void sound_thread_mixer(void *ud, Uint8 *stream, int len)
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static void sound_copy_produced_block(void *ud, Uint8 *stream, int len)
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{
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if (sound_thread_exit) return;
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int sem_val;
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sound_thread_active = 1;
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#ifdef SOUND_USE_SEMAPHORES
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sem_wait(&sound_sem);
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#endif
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//printf("Sound callback %i\n", cnt);
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//__android_log_print(ANDROID_LOG_INFO, "UAE4ALL2","Sound callback cnt %d buf %d\n", cnt, cnt%SOUND_BUFFERS_COUNT);
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if(currprefs.sound_stereo)
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if (currprefs.sound_stereo)
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{
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if (cdaudio_active && currprefs.sound_freq == 44100 && cdrdcnt < cdwrcnt)
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{
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if(cdaudio_active && currprefs.sound_freq == 44100 && cdrdcnt < cdwrcnt)
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{
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for(int i=0; i<SNDBUFFER_LEN * 2; ++i)
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sndbuffer[cnt % SOUND_BUFFERS_COUNT][i] += cdaudio_buffer[cdrdcnt & (CDAUDIO_BUFFERS - 1)][i];
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cdrdcnt++;
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}
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memcpy(stream, sndbuffer[cnt%SOUND_BUFFERS_COUNT], MIN(SNDBUFFER_LEN*4, len));
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for (int i = 0; i < SNDBUFFER_LEN * 2; ++i)
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sndbuffer[rdcnt % SOUND_BUFFERS_COUNT][i] += cdaudio_buffer[cdrdcnt & (CDAUDIO_BUFFERS - 1)][i];
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}
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memcpy(stream, sndbuffer[rdcnt % SOUND_BUFFERS_COUNT], MIN(SNDBUFFER_LEN * 4, len));
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}
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else
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memcpy(stream, sndbuffer[cnt%SOUND_BUFFERS_COUNT], MIN(SNDBUFFER_LEN * 2, len));
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memcpy(stream, sndbuffer[rdcnt % SOUND_BUFFERS_COUNT], MIN(SNDBUFFER_LEN * 2, len));
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//cdrdcnt = cdwrcnt;
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cnt++;
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//cdrdcnt = cdwrcnt;
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// how many smaller "producer buffers" do we have ready to be played?
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if (wrcnt - rdcnt >= (SOUND_BUFFERS_COUNT / 2))
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{
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rdcnt++;
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cdrdcnt++;
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}
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// if less than half of the production buffers are full, it means that more sound has been
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// output (by SDL) than the emulation has produced. We solve this by simply not
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// moving the "read head", until the emulation side has got enough headway.
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#ifdef SOUND_USE_SEMAPHORES
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sem_post(&callback_sem);
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#endif
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}
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static void sound_thread_mixer(void *ud, Uint8 *stream, int len)
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{
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static int call_count = 0;
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if (sound_thread_exit) return;
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sound_thread_active = 1;
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int sample_size = currprefs.sound_stereo ? 4 : 2;
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while (len > 0) {
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int l = MIN(SNDBUFFER_LEN * sample_size, len);
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sound_copy_produced_block(ud, stream, l);
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stream += l;
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len -= l;
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}
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// if (call_count % 10 == 0)
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// printf("wrcnt - rdcnt: %d\n", wrcnt - rdcnt);
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call_count++;
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}
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static void init_soundbuffer_usage(void)
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{
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sndbufpt = sndbuffer[0];
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render_sndbuff = sndbuffer[0];
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finish_sndbuff = sndbuffer[0] + SNDBUFFER_LEN * 2;
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//output_cnt = 0;
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cnt = 0;
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wrcnt = 0;
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sndbufpt = sndbuffer[0];
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render_sndbuff = sndbuffer[0];
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finish_sndbuff = sndbuffer[0] + SNDBUFFER_LEN * 2;
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//output_cnt = 0;
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rdcnt = 0;
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wrcnt = 0;
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cdbufpt = cdaudio_buffer[0];
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render_cdbuff = cdaudio_buffer[0];
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finish_cdbuff = cdaudio_buffer[0] + CDAUDIO_BUFFER_LEN * 2;
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cdrdcnt = 0;
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cdwrcnt = 0;
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cdbufpt = cdaudio_buffer[0];
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render_cdbuff = cdaudio_buffer[0];
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finish_cdbuff = cdaudio_buffer[0] + CDAUDIO_BUFFER_LEN * 2;
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cdrdcnt = 0;
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cdwrcnt = 0;
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}
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@ -168,17 +195,15 @@ static int pandora_start_sound(int rate, int bits, int stereo)
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// if no settings change, we don't need to do anything
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if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo && audioOpened)
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return 0;
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return 0;
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if (audioOpened)
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pandora_stop_sound();
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pandora_stop_sound();
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// init sem, start sound thread
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// init sem, start sound thread
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init_soundbuffer_usage();
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#ifdef DEBUG
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printf("starting sound thread..\n");
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#endif
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ret = sem_init(&sound_sem, 0, 0);
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sem_init(&callback_sem, 0, SOUND_BUFFERS_COUNT - 1);
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if (ret != 0) printf("sem_init() failed: %i, errno=%i\n", ret, errno);
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@ -191,18 +216,19 @@ static int pandora_start_sound(int rate, int bits, int stereo)
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as.freq = rate;
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as.format = (bits == 8 ? AUDIO_S8 : AUDIO_S16);
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as.channels = (stereo ? 2 : 1);
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as.samples = SNDBUFFER_LEN;
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as.samples = SOUND_CONSUMER_BUFFER_LENGTH;
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// as.samples = SNDBUFFER_LEN;
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as.callback = sound_thread_mixer;
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if (SDL_OpenAudio(&as, NULL))
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printf("Error when opening SDL audio !\n");
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printf("Error when opening SDL audio !\n");
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audioOpened = 1;
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s_oldrate = rate;
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s_oldbits = bits;
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s_oldstereo = stereo;
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SDL_PauseAudio (0);
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SDL_PauseAudio(0);
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return 0;
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}
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@ -211,25 +237,32 @@ static int pandora_start_sound(int rate, int bits, int stereo)
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// this is meant to be called only once on exit
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void pandora_stop_sound(void)
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{
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int valuesem;
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if (sound_thread_exit)
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printf("don't call pandora_stop_sound more than once!\n");
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SDL_PauseAudio(1);
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if (sound_thread_active)
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{
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#ifdef DEBUG
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printf("stopping sound thread...\n");
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#endif
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printf("stopping sound thread..\n");
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sound_thread_exit = 1;
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sem_post(&sound_sem);
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usleep(100*1000);
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sem_destroy(&sound_sem);
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sem_destroy(&callback_sem);
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sem_getvalue(&sound_sem, &valuesem);
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while (valuesem == 0)
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{
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// Produce semaphore until audio thread don't consums them...
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sem_post(&sound_sem);
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usleep(200 * 1000);
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sem_getvalue(&sound_sem, &valuesem);
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}
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}
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sound_thread_exit = 0;
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SDL_PauseAudio (1);
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SDL_CloseAudio();
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sem_destroy(&sound_sem);
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sem_destroy(&callback_sem);
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}
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void finish_sound_buffer (void)
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void finish_sound_buffer(void)
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{
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#ifdef DEBUG_SOUND
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@ -238,195 +271,198 @@ void finish_sound_buffer (void)
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//printf("Sound finish %i\n", wrcnt);
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// "GET NEXT PRODUCER BUFFER FOR WRITING"
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wrcnt++;
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sndbufpt = render_sndbuff = sndbuffer[wrcnt%SOUND_BUFFERS_COUNT];
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sndbufpt = render_sndbuff = sndbuffer[wrcnt % SOUND_BUFFERS_COUNT];
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if(currprefs.sound_stereo)
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN * 2;
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if (currprefs.sound_stereo)
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN * 2;
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else
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN;
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN;
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#ifdef SOUND_USE_SEMAPHORES
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sem_post(&sound_sem);
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sem_wait(&callback_sem);
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#endif
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while ((wrcnt % SOUND_BUFFERS_COUNT) == (rdcnt % SOUND_BUFFERS_COUNT))
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{
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usleep(500);
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}
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#ifdef DEBUG_SOUND
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dbg(" sound.c : ! finish_sound_buffer");
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#endif
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}
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void pause_sound_buffer (void)
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void pause_sound_buffer(void)
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{
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reset_sound ();
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reset_sound();
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}
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void restart_sound_buffer(void)
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{
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sndbufpt = render_sndbuff = sndbuffer[wrcnt % SOUND_BUFFERS_COUNT];
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if(currprefs.sound_stereo)
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN * 2;
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if (currprefs.sound_stereo)
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN * 2;
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else
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN;
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finish_sndbuff = sndbufpt + SNDBUFFER_LEN;
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cdbufpt = render_cdbuff = cdaudio_buffer[cdwrcnt & (CDAUDIO_BUFFERS - 1)];
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finish_cdbuff = cdbufpt + CDAUDIO_BUFFER_LEN * 2;
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}
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void finish_cdaudio_buffer (void)
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void finish_cdaudio_buffer(void)
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{
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cdwrcnt++;
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cdbufpt = render_cdbuff = cdaudio_buffer[cdwrcnt & (CDAUDIO_BUFFERS - 1)];
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finish_cdbuff = cdbufpt + CDAUDIO_BUFFER_LEN * 2;
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audio_activate();
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finish_cdbuff = cdbufpt + CDAUDIO_BUFFER_LEN * 2;
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audio_activate();
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}
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bool cdaudio_catchup(void)
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{
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while((cdwrcnt > cdrdcnt + CDAUDIO_BUFFERS - 10) && (sound_thread_active != 0) && (quit_program == 0)) {
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sleep_millis(10);
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}
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return (sound_thread_active != 0);
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while ((cdwrcnt > cdrdcnt + CDAUDIO_BUFFERS - 30) && (sound_thread_active != 0) && (quit_program == 0)) {
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sleep_millis(10);
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}
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return (sound_thread_active != 0);
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}
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/* Try to determine whether sound is available. This is only for GUI purposes. */
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int setup_sound (void)
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int setup_sound(void)
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{
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#ifdef DEBUG_SOUND
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dbg("sound.c : setup_sound");
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dbg("sound.c : setup_sound");
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#endif
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// Android does not like opening sound device several times
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if (pandora_start_sound(currprefs.sound_freq, 16, currprefs.sound_stereo) != 0)
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return 0;
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// Android does not like opening sound device several times
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if (pandora_start_sound(currprefs.sound_freq, 16, currprefs.sound_stereo) != 0)
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return 0;
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sound_available = 1;
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sound_available = 1;
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#ifdef DEBUG_SOUND
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dbg(" sound.c : ! setup_sound");
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dbg(" sound.c : ! setup_sound");
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#endif
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return 1;
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return 1;
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}
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static int open_sound (void)
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static int open_sound(void)
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{
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#ifdef DEBUG_SOUND
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dbg("sound.c : open_sound");
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dbg("sound.c : open_sound");
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#endif
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// Android does not like opening sound device several times
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if (pandora_start_sound(currprefs.sound_freq, 16, currprefs.sound_stereo) != 0)
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return 0;
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// Android does not like opening sound device several times
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if (pandora_start_sound(currprefs.sound_freq, 16, currprefs.sound_stereo) != 0)
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return 0;
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have_sound = 1;
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sound_available = 1;
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have_sound = 1;
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sound_available = 1;
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if(currprefs.sound_stereo)
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sample_handler = sample16s_handler;
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else
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sample_handler = sample16_handler;
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if (currprefs.sound_stereo)
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sample_handler = sample16s_handler;
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else
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sample_handler = sample16_handler;
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#ifdef DEBUG_SOUND
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dbg(" sound.c : ! open_sound");
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dbg(" sound.c : ! open_sound");
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#endif
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return 1;
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return 1;
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}
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void close_sound (void)
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void close_sound(void)
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{
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#ifdef DEBUG_SOUND
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dbg("sound.c : close_sound");
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dbg("sound.c : close_sound");
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#endif
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if (!have_sound)
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return;
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if (!have_sound)
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return;
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// testing shows that reopenning sound device is not a good idea (causes random sound driver crashes)
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// we will close it on real exit instead
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// testing shows that reopenning sound device is not a good idea (causes random sound driver crashes)
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// we will close it on real exit instead
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#ifdef RASPBERRY
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//pandora_stop_sound();
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//pandora_stop_sound();
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#endif
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have_sound = 0;
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have_sound = 0;
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#ifdef DEBUG_SOUND
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dbg(" sound.c : ! close_sound");
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dbg(" sound.c : ! close_sound");
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#endif
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}
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int init_sound (void)
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int init_sound(void)
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{
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg("sound.c : init_sound");
|
||||
dbg("sound.c : init_sound");
|
||||
#endif
|
||||
|
||||
have_sound=open_sound();
|
||||
have_sound = open_sound();
|
||||
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg(" sound.c : ! init_sound");
|
||||
dbg(" sound.c : ! init_sound");
|
||||
#endif
|
||||
return have_sound;
|
||||
return have_sound;
|
||||
}
|
||||
|
||||
void pause_sound (void)
|
||||
void pause_sound(void)
|
||||
{
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg("sound.c : pause_sound");
|
||||
dbg("sound.c : pause_sound");
|
||||
#endif
|
||||
|
||||
SDL_PauseAudio (1);
|
||||
SDL_PauseAudio(1);
|
||||
/* nothing to do */
|
||||
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg(" sound.c : ! pause_sound");
|
||||
dbg(" sound.c : ! pause_sound");
|
||||
#endif
|
||||
}
|
||||
|
||||
void resume_sound (void)
|
||||
void resume_sound(void)
|
||||
{
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg("sound.c : resume_sound");
|
||||
dbg("sound.c : resume_sound");
|
||||
#endif
|
||||
|
||||
SDL_PauseAudio (0);
|
||||
SDL_PauseAudio(0);
|
||||
/* nothing to do */
|
||||
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg(" sound.c : ! resume_sound");
|
||||
dbg(" sound.c : ! resume_sound");
|
||||
#endif
|
||||
}
|
||||
|
||||
void uae4all_init_sound(void)
|
||||
{
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg("sound.c : uae4all_init_sound");
|
||||
dbg("sound.c : uae4all_init_sound");
|
||||
#endif
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg(" sound.c : ! uae4all_init_sound");
|
||||
dbg(" sound.c : ! uae4all_init_sound");
|
||||
#endif
|
||||
}
|
||||
|
||||
void uae4all_pause_music(void)
|
||||
{
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg("sound.c : pause_music");
|
||||
dbg("sound.c : pause_music");
|
||||
#endif
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg(" sound.c : ! pause_music");
|
||||
dbg(" sound.c : ! pause_music");
|
||||
#endif
|
||||
}
|
||||
|
||||
void uae4all_resume_music(void)
|
||||
{
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg("sound.c : resume_music");
|
||||
dbg("sound.c : resume_music");
|
||||
#endif
|
||||
#ifdef DEBUG_SOUND
|
||||
dbg(" sound.c : ! resume_music");
|
||||
dbg(" sound.c : ! resume_music");
|
||||
#endif
|
||||
}
|
||||
|
||||
|
|
@ -434,21 +470,20 @@ void uae4all_play_click(void)
|
|||
{
|
||||
}
|
||||
|
||||
void reset_sound (void)
|
||||
void reset_sound(void)
|
||||
{
|
||||
if (!have_sound)
|
||||
return;
|
||||
if (!have_sound)
|
||||
return;
|
||||
|
||||
//init_soundbuffer_usage();
|
||||
init_soundbuffer_usage();
|
||||
|
||||
clear_sound_buffers();
|
||||
clear_cdaudio_buffers();
|
||||
clear_sound_buffers();
|
||||
clear_cdaudio_buffers();
|
||||
}
|
||||
|
||||
|
||||
void sound_volume (int dir)
|
||||
void sound_volume(int dir)
|
||||
{
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue