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author | Nebuleon Fumika | 2013-01-11 18:58:07 -0500 |
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committer | Nebuleon Fumika | 2013-01-11 19:22:59 -0500 |
commit | 7896e83aa9a3da428d3a56423a5c613782d1ac18 (patch) | |
tree | c56b9edbb67888950c76644ac0c2a5431228a62a /source/nds | |
parent | 0028091d0f98f92a709dd2caa951e61ae28e5e34 (diff) | |
download | snesemu-7896e83aa9a3da428d3a56423a5c613782d1ac18.tar.gz snesemu-7896e83aa9a3da428d3a56423a5c613782d1ac18.tar.bz2 snesemu-7896e83aa9a3da428d3a56423a5c613782d1ac18.zip |
Stop constantly testing for 16-bit and stereo in sound handlers. Define FOREVER_16_BIT_SOUND and FOREVER_STEREO and use them throughout the code.
This is essentially commit 6b36e79013d4c9273a96a9783a2bccdb516f174a, but for sound instead of graphics.
Diffstat (limited to 'source/nds')
-rw-r--r-- | source/nds/entry.cpp | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/source/nds/entry.cpp b/source/nds/entry.cpp index f157f1c..7e6a2e5 100644 --- a/source/nds/entry.cpp +++ b/source/nds/entry.cpp @@ -367,7 +367,9 @@ void init_sfc_setting(void) #endif Settings.SoundPlaybackRate = SNES9X_SRATE_ID; // -> ds2sound.h for defs +#ifndef FOREVER_STEREO Settings.Stereo = TRUE; +#endif Settings.SoundBufferSize = DS2_BUFFER_SIZE; Settings.CyclesPercentage = 100; Settings.DisableSoundEcho = FALSE; @@ -392,6 +394,9 @@ void init_sfc_setting(void) #ifndef FOREVER_16_BIT Settings.SixteenBit = TRUE; #endif +#ifndef FOREVER_16_BIT_SOUND + Settings.SixteenBitSound = TRUE; +#endif Settings.SupportHiRes = FALSE; Settings.ThreadSound = FALSE; @@ -534,7 +539,12 @@ int sfc_main (int argc, char **argv) if (!S9xGraphicsInit()) OutOfMemory (); - S9xInitSound (Settings.SoundPlaybackRate, Settings.Stereo, + S9xInitSound (Settings.SoundPlaybackRate, +#ifndef FOREVER_STEREO + Settings.Stereo, +#else + TRUE, +#endif Settings.SoundBufferSize); // Start a timer for the sound initTimer(0 /* timer channel, 0 or 1 */, @@ -857,8 +867,12 @@ void S9xSyncSpeed () bool8 S9xOpenSoundDevice (int mode, bool8 stereo, int buffer_size) { +#ifndef FOREVER_16_BIT_SOUND so.sixteen_bit = TRUE; +#endif +#ifndef FOREVER_STEREO so.stereo = stereo; +#endif so.playback_rate = SND_SAMPLE_RATE; S9xSetPlaybackRate (so.playback_rate); @@ -867,9 +881,13 @@ bool8 S9xOpenSoundDevice (int mode, bool8 stereo, int buffer_size) if (buffer_size > MAX_BUFFER_SIZE / 4) buffer_size = MAX_BUFFER_SIZE / 4; +#ifndef FOREVER_16_BIT_SOUND if (so.sixteen_bit) +#endif buffer_size *= 2; +#ifndef FOREVER_STEREO if (so.stereo) +#endif buffer_size *= 2; so.buffer_size = buffer_size; @@ -893,8 +911,12 @@ void S9xGenerateSound () { block_signal = TRUE; +#ifndef FOREVER_16_BIT_SOUND int bytes_so_far = so.sixteen_bit ? (so.samples_mixed_so_far << 1) : so.samples_mixed_so_far; +#else + int bytes_so_far = so.samples_mixed_so_far << 1; +#endif if (bytes_so_far >= so.buffer_size) goto end; @@ -907,7 +929,9 @@ void S9xGenerateSound () int byte_count; so.err_counter &= FIXED_POINT_REMAINDER; +#ifndef FOREVER_STEREO if (so.stereo) +#endif sample_count <<= 1; byte_offset = bytes_so_far + so.play_position; @@ -915,14 +939,18 @@ void S9xGenerateSound () { int sc = sample_count; byte_count = sample_count; +#ifndef FOREVER_16_BIT_SOUND if (so.sixteen_bit) +#endif byte_count <<= 1; if ((byte_offset & SOUND_BUFFER_SIZE_MASK) + byte_count > SOUND_BUFFER_SIZE) { sc = SOUND_BUFFER_SIZE - (byte_offset & SOUND_BUFFER_SIZE_MASK); byte_count = sc; +#ifndef FOREVER_16_BIT_SOUND if (so.sixteen_bit) +#endif sc >>= 1; } @@ -932,15 +960,21 @@ void S9xGenerateSound () if (byte_count == 0) break; sc = byte_count; +#ifndef FOREVER_16_BIT_SOUND if (so.sixteen_bit) +#endif sc >>= 1; } S9xMixSamplesO (Buf, sc, byte_offset & SOUND_BUFFER_SIZE_MASK); so.samples_mixed_so_far += sc; sample_count -= sc; +#ifndef FOREVER_16_BIT_SOUND bytes_so_far = so.sixteen_bit ? (so.samples_mixed_so_far << 1) : so.samples_mixed_so_far; +#else + bytes_so_far = so.samples_mixed_so_far << 1; +#endif byte_offset += byte_count; } while (sample_count > 0); } @@ -988,13 +1022,17 @@ void NDSSFCProduceSound (unsigned int unused) /* Number of samples to generate now */ int sample_count; sample_count = so.buffer_size; +#ifndef FOREVER_16_BIT_SOUND if (so.sixteen_bit) { +#endif /* to prevent running out of buffer space, * create less samples */ sample_count >>= 1; +#ifndef FOREVER_16_BIT_SOUND } +#endif // block_generate_sound = TRUE; @@ -1008,8 +1046,13 @@ void NDSSFCProduceSound (unsigned int unused) if (so.samples_mixed_so_far < sample_count) { /* Where to put the samples to */ +#ifndef FOREVER_16_BIT_SOUND unsigned byte_offset = so.play_position + (so.sixteen_bit ? (so.samples_mixed_so_far << 1) : so.samples_mixed_so_far); +#else + unsigned byte_offset = so.play_position + + (so.samples_mixed_so_far << 1); +#endif //printf ("%d:", sample_count - so.samples_mixed_so_far); fflush (stdout); if (Settings.SoundSync == 2) @@ -1029,7 +1072,10 @@ void NDSSFCProduceSound (unsigned int unused) // if (!so.mute_sound) { unsigned bytes_to_write = sample_count; - if(so.sixteen_bit) bytes_to_write <<= 1; +#ifndef FOREVER_16_BIT_SOUND + if(so.sixteen_bit) +#endif + bytes_to_write <<= 1; unsigned byte_offset = so.play_position; so.play_position += bytes_to_write; |