aboutsummaryrefslogtreecommitdiffstats
path: root/distrib/sdl-1.2.12/src/audio/baudio/SDL_beaudio.cc
diff options
context:
space:
mode:
Diffstat (limited to 'distrib/sdl-1.2.12/src/audio/baudio/SDL_beaudio.cc')
-rw-r--r--distrib/sdl-1.2.12/src/audio/baudio/SDL_beaudio.cc225
1 files changed, 0 insertions, 225 deletions
diff --git a/distrib/sdl-1.2.12/src/audio/baudio/SDL_beaudio.cc b/distrib/sdl-1.2.12/src/audio/baudio/SDL_beaudio.cc
deleted file mode 100644
index fce0ecb..0000000
--- a/distrib/sdl-1.2.12/src/audio/baudio/SDL_beaudio.cc
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-/* Allow access to the audio stream on BeOS */
-
-#include <SoundPlayer.h>
-
-#include "../../main/beos/SDL_BeApp.h"
-
-extern "C" {
-
-#include "SDL_audio.h"
-#include "../SDL_audio_c.h"
-#include "../SDL_sysaudio.h"
-#include "../../thread/beos/SDL_systhread_c.h"
-#include "SDL_beaudio.h"
-
-
-/* Audio driver functions */
-static int BE_OpenAudio(_THIS, SDL_AudioSpec *spec);
-static void BE_WaitAudio(_THIS);
-static void BE_PlayAudio(_THIS);
-static Uint8 *BE_GetAudioBuf(_THIS);
-static void BE_CloseAudio(_THIS);
-
-/* Audio driver bootstrap functions */
-
-static int Audio_Available(void)
-{
- return(1);
-}
-
-static void Audio_DeleteDevice(SDL_AudioDevice *device)
-{
- SDL_free(device->hidden);
- SDL_free(device);
-}
-
-static SDL_AudioDevice *Audio_CreateDevice(int devindex)
-{
- SDL_AudioDevice *device;
-
- /* Initialize all variables that we clean on shutdown */
- device = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice));
- if ( device ) {
- SDL_memset(device, 0, (sizeof *device));
- device->hidden = (struct SDL_PrivateAudioData *)
- SDL_malloc((sizeof *device->hidden));
- }
- if ( (device == NULL) || (device->hidden == NULL) ) {
- SDL_OutOfMemory();
- if ( device ) {
- SDL_free(device);
- }
- return(0);
- }
- SDL_memset(device->hidden, 0, (sizeof *device->hidden));
-
- /* Set the function pointers */
- device->OpenAudio = BE_OpenAudio;
- device->WaitAudio = BE_WaitAudio;
- device->PlayAudio = BE_PlayAudio;
- device->GetAudioBuf = BE_GetAudioBuf;
- device->CloseAudio = BE_CloseAudio;
-
- device->free = Audio_DeleteDevice;
-
- return device;
-}
-
-AudioBootStrap BAUDIO_bootstrap = {
- "baudio", "BeOS BSoundPlayer",
- Audio_Available, Audio_CreateDevice
-};
-
-/* The BeOS callback for handling the audio buffer */
-static void FillSound(void *device, void *stream, size_t len,
- const media_raw_audio_format &format)
-{
- SDL_AudioDevice *audio = (SDL_AudioDevice *)device;
-
- /* Silence the buffer, since it's ours */
- SDL_memset(stream, audio->spec.silence, len);
-
- /* Only do soemthing if audio is enabled */
- if ( ! audio->enabled )
- return;
-
- if ( ! audio->paused ) {
- if ( audio->convert.needed ) {
- SDL_mutexP(audio->mixer_lock);
- (*audio->spec.callback)(audio->spec.userdata,
- (Uint8 *)audio->convert.buf,audio->convert.len);
- SDL_mutexV(audio->mixer_lock);
- SDL_ConvertAudio(&audio->convert);
- SDL_memcpy(stream,audio->convert.buf,audio->convert.len_cvt);
- } else {
- SDL_mutexP(audio->mixer_lock);
- (*audio->spec.callback)(audio->spec.userdata,
- (Uint8 *)stream, len);
- SDL_mutexV(audio->mixer_lock);
- }
- }
- return;
-}
-
-/* Dummy functions -- we don't use thread-based audio */
-void BE_WaitAudio(_THIS)
-{
- return;
-}
-void BE_PlayAudio(_THIS)
-{
- return;
-}
-Uint8 *BE_GetAudioBuf(_THIS)
-{
- return(NULL);
-}
-
-void BE_CloseAudio(_THIS)
-{
- if ( audio_obj ) {
- audio_obj->Stop();
- delete audio_obj;
- audio_obj = NULL;
- }
-
- /* Quit the Be Application, if there's nothing left to do */
- SDL_QuitBeApp();
-}
-
-int BE_OpenAudio(_THIS, SDL_AudioSpec *spec)
-{
- int valid_datatype = 0;
- media_raw_audio_format format;
- Uint16 test_format = SDL_FirstAudioFormat(spec->format);
-
- /* Parse the audio format and fill the Be raw audio format */
- memset(&format, '\0', sizeof (media_raw_audio_format));
- format.byte_order = B_MEDIA_LITTLE_ENDIAN;
- format.frame_rate = (float) spec->freq;
- format.channel_count = spec->channels; /* !!! FIXME: support > 2? */
- while ((!valid_datatype) && (test_format)) {
- valid_datatype = 1;
- spec->format = test_format;
- switch (test_format) {
- case AUDIO_S8:
- format.format = media_raw_audio_format::B_AUDIO_CHAR;
- break;
-
- case AUDIO_U8:
- format.format = media_raw_audio_format::B_AUDIO_UCHAR;
- break;
-
- case AUDIO_S16LSB:
- format.format = media_raw_audio_format::B_AUDIO_SHORT;
- break;
-
- case AUDIO_S16MSB:
- format.format = media_raw_audio_format::B_AUDIO_SHORT;
- format.byte_order = B_MEDIA_BIG_ENDIAN;
- break;
-
- default:
- valid_datatype = 0;
- test_format = SDL_NextAudioFormat();
- break;
- }
- }
-
- if (!valid_datatype) { /* shouldn't happen, but just in case... */
- SDL_SetError("Unsupported audio format");
- return (-1);
- }
-
- /* Initialize the Be Application, if it's not already started */
- if (SDL_InitBeApp() < 0) {
- return (-1);
- }
-
- format.buffer_size = spec->samples;
-
- /* Calculate the final parameters for this audio specification */
- SDL_CalculateAudioSpec(spec);
-
- /* Subscribe to the audio stream (creates a new thread) */
- { sigset_t omask;
- SDL_MaskSignals(&omask);
- audio_obj = new BSoundPlayer(&format, "SDL Audio", FillSound,
- NULL, _this);
- SDL_UnmaskSignals(&omask);
- }
- if ( audio_obj->Start() == B_NO_ERROR ) {
- audio_obj->SetHasData(true);
- } else {
- SDL_SetError("Unable to start Be audio");
- return(-1);
- }
-
- /* We're running! */
- return(1);
-}
-
-}; /* Extern C */