087b7e7abf
This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.
This reverts commit a9be52c41a.
118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
#include "..\stdafx.h"
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#include <sysutil/sysutil_sysparam.h>
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#include <cell/sysmodule.h>
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#include <sys/spu_initialize.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <cell/audio.h>
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#include "..\..\Common\Audio\SoundEngine.h"
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#include "..\..\Common\Consoles_App.h"
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#include "..\..\PS3\Miles\include\mss.h"
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// This file has the platform specific functions required for PS3 audio
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//
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// this function configures the audio hardware.
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// you specify the minimum number of channels that you need, and it
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// returns the number of output channels that will be used (which will
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// be at least your minimum count, but possibly more). it will return 0
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// for any failure cases.
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int SoundEngine::initAudioHardware( int minimum_chans )
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{
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int ret;
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int ch_pcm;
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int ch_bit;
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CellAudioOutConfiguration a_config;
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memset( &a_config, 0, sizeof( CellAudioOutConfiguration ) );
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// first lets see how many pcm output channels we have
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ch_pcm = cellAudioOutGetSoundAvailability( CELL_AUDIO_OUT_PRIMARY,
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CELL_AUDIO_OUT_CODING_TYPE_LPCM,
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CELL_AUDIO_OUT_FS_48KHZ, 0 );
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if ( ch_pcm >= minimum_chans )
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{
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a_config.channel = ch_pcm;
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a_config.encoder = CELL_AUDIO_OUT_CODING_TYPE_LPCM;
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a_config.downMixer = CELL_AUDIO_OUT_DOWNMIXER_NONE; /* No downmixer is used */
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cellAudioOutConfigure( CELL_AUDIO_OUT_PRIMARY, &a_config, NULL, 0 );
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ret = ch_pcm;
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}
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else
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{
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switch ( ch_pcm )
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{
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case 6:
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// this means we asked for 8 channels, but only 6 are available
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// so, we'll turn on the 7.1 to 5.1 downmixer.
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a_config.channel = 6;
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a_config.encoder = CELL_AUDIO_OUT_CODING_TYPE_LPCM;
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a_config.downMixer = CELL_AUDIO_OUT_DOWNMIXER_TYPE_B;
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if ( cellAudioOutConfigure( CELL_AUDIO_OUT_PRIMARY, &a_config, NULL, 0 ) != CELL_OK )
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{
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return 0; // error - the downmixer didn't init
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}
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ret = 8;
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break;
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case 2:
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// ok, this means they asked for multi-channel out, but only stereo
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// is supported. we'll try dolby digital first and then the downmixer
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ch_bit = cellAudioOutGetSoundAvailability( CELL_AUDIO_OUT_PRIMARY,
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CELL_AUDIO_OUT_CODING_TYPE_AC3,
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CELL_AUDIO_OUT_FS_48KHZ, 0 );
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if ( ch_bit > 0 )
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{
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a_config.channel = ch_bit;
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a_config.encoder = CELL_AUDIO_OUT_CODING_TYPE_AC3;
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if ( ch_bit >= minimum_chans )
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{
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// we have enough channels to support their minimum
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a_config.downMixer = CELL_AUDIO_OUT_DOWNMIXER_NONE;
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ret = ch_bit;
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}
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else
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{
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// we don't have enough channels to support their minimum, so use the downmixer
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a_config.downMixer = CELL_AUDIO_OUT_DOWNMIXER_TYPE_B;
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ret = 8;
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}
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if ( cellAudioOutConfigure( CELL_AUDIO_OUT_PRIMARY, &a_config, NULL, 0 ) == CELL_OK )
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{
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break;
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}
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// if we got here the dolby encoder, didn't init, so fall through to downmixing to stereo
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}
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a_config.channel = 2;
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a_config.encoder = CELL_AUDIO_OUT_CODING_TYPE_LPCM;
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a_config.downMixer = CELL_AUDIO_OUT_DOWNMIXER_TYPE_A;
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if ( cellAudioOutConfigure( CELL_AUDIO_OUT_PRIMARY, &a_config, NULL, 0 ) != CELL_OK )
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{
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return 0; // error - downmixer didn't work
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}
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ret = 2; // downmixer does 7.0 to 2.0 downmixing...
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break;
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default:
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// some other weird case that we don't understand
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return 0;
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}
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}
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// turn off copy protection stupidness
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cellAudioOutSetCopyControl( CELL_AUDIO_OUT_PRIMARY,
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CELL_AUDIO_OUT_COPY_CONTROL_COPY_FREE );
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return( ret );
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}
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