diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 11 | ||||
| -rw-r--r-- | src/device.cpp | 15 | ||||
| -rw-r--r-- | src/device_sdl.cpp | 84 | ||||
| -rw-r--r-- | src/device_sdl.h | 34 |
4 files changed, 143 insertions, 1 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 753c381..e99cee2 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -89,6 +89,14 @@ COREAUDIO_DIST = device_coreaudio.cpp \ device_coreaudio.h endif +if HAVE_SDL +SDL_SOURCES = device_sdl.cpp \ + device_sdl.h +else +SDL_DIST = device_sdl.cpp \ + device_sdl.h +endif + ANDROIDAUDIO_DIST = device_android.cpp device_android.h # Automake blows. @@ -133,7 +141,7 @@ EXTRA_DIST = \ $(FLAC_DIST) $(DUMB_DIST) $(OGG_DIST) $(SPEEX_DIST) $(AL_DIST) \ $(OSS_DIST) $(DSOUND_DIST) $(WINMM_DIST) $(COREAUDIO_DIST) \ $(ALSA_DIST) $(NEXUS_DIST) $(ZTE_DIST) $(ANDROIDAUDIO_DIST) \ - $(MIDI_DIST) $(THREADS_DIST) $(EXTERN_DIST) + $(SDL_DIST) $(MIDI_DIST) $(THREADS_DIST) $(EXTERN_DIST) libaudiere_la_SOURCES = \ $(MIDI_SOURCES) \ @@ -160,6 +168,7 @@ libaudiere_la_SOURCES = \ $(OSS_SOURCES) \ $(WINMM_SOURCES) \ $(COREAUDIO_SOURCES) \ + $(SDL_SOURCES) \ dumb_resample.cpp \ dumb_resample.h \ file_ansi.cpp \ diff --git a/src/device.cpp b/src/device.cpp index 991058c..5438ade 100644 --- a/src/device.cpp +++ b/src/device.cpp @@ -60,6 +60,10 @@ #include "device_android.h" #endif +#ifdef HAVE_SDL + #include "device_sdl.h" +#endif + namespace audiere { AbstractDevice::AbstractDevice() { @@ -202,6 +206,9 @@ namespace audiere { #ifdef HAVE_CORE_AUDIO "coreaudio:Core Audio (Mac OS X)" #endif +#ifdef HAVE_SDL + "sdl:Simple Direct layer" +#endif #endif "null:Null output (no sound)" ; } @@ -267,6 +274,7 @@ namespace audiere { TRY_GROUP("nexus"); TRY_GROUP("oss"); TRY_GROUP("coreaudio"); + TRY_GROUP("sdl"); return 0; } @@ -340,6 +348,13 @@ namespace audiere { } #endif + #ifdef HAVE_SDL + if (name == "sdl") { + TRY_DEVICE(SDLAudioDevice); + return 0; + } + #endif + if (name == "null") { TRY_DEVICE(NullAudioDevice); return 0; diff --git a/src/device_sdl.cpp b/src/device_sdl.cpp new file mode 100644 index 0000000..042c4dd --- /dev/null +++ b/src/device_sdl.cpp @@ -0,0 +1,84 @@ +#include <algorithm> +#include <string> +#include <stdio.h> +#include <stdlib.h> + +#include "device_sdl.h" +#include "debug.h" + + +namespace audiere { + + SDLAudioDevice* + SDLAudioDevice::create(const ParameterList& parameters) { + + SDL_AudioSpec aspec; + aspec.format = AUDIO_S16LSB; + aspec.freq = 44100; + aspec.channels = 2; + aspec.samples = 1024; + aspec.callback = &SDLAudioDevice::outputCallback; + + SDLAudioDevice* device = new SDLAudioDevice(aspec.freq, 4096); + aspec.userdata = device; + + if (SDL_Init(SDL_INIT_AUDIO) < 0) { + ADR_LOG("Unable init sdl audio subsystem.\n"); + delete device; + return 0; + } + + SDL_AudioSpec obtained; + if (SDL_OpenAudio(&aspec, &obtained) < 0) { + ADR_LOG("Unable open sdl audio subsystem.\n"); + delete device; + return 0; + } + if (aspec.format != obtained.format || + aspec.freq != obtained.freq || + aspec.channels != obtained.channels) { + ADR_LOG("Unsupported audio parameters.\n"); + delete device; + return 0; + } + + SDL_PauseAudio(0); + return device; + } + + void SDLAudioDevice::outputCallback(void *user_data, Uint8 *stream, int len) + { + SDLAudioDevice *device = (SDLAudioDevice*)user_data; + device->read(len / 4, stream); + } + + SDLAudioDevice::SDLAudioDevice(int rate, int buffer_size) + : MixerDevice(rate) + { + m_buffer_size = buffer_size; + m_buffer = new char [buffer_size]; + } + + + SDLAudioDevice::~SDLAudioDevice() { + ADR_GUARD("SDLAudioDevice::~SDLAudioDevice"); + + SDL_CloseAudio(); + SDL_QuitSubSystem(SDL_INIT_AUDIO); + + delete [] m_buffer; + } + + + void ADR_CALL + SDLAudioDevice::update() { + AI_Sleep(1); + } + + + const char* ADR_CALL + SDLAudioDevice::getName() { + return "sdl"; + } + +} diff --git a/src/device_sdl.h b/src/device_sdl.h new file mode 100644 index 0000000..fc0140c --- /dev/null +++ b/src/device_sdl.h @@ -0,0 +1,34 @@ +#ifndef DEVICE_NEXUS_H +#define DEVICE_NEXUS_H + + +#include "audiere.h" +#include "device_mixer.h" + +#include <SDL.h> + +namespace audiere { + + class SDLAudioDevice : public MixerDevice { + public: + static SDLAudioDevice* create(const ParameterList& parameters); + + private: + SDLAudioDevice(int rate, int buffer_size); + ~SDLAudioDevice(); + + public: + void ADR_CALL update(); + const char* ADR_CALL getName(); + + private: + int m_buffer_size; + char* m_buffer; + + static void outputCallback(void *user_data, Uint8 *stream, int len); + }; + +} + + +#endif |