diff options
Diffstat (limited to 'examples/alhrtf.c')
-rw-r--r-- | examples/alhrtf.c | 75 |
1 files changed, 48 insertions, 27 deletions
diff --git a/examples/alhrtf.c b/examples/alhrtf.c index 3964a7c6..f9150ae1 100644 --- a/examples/alhrtf.c +++ b/examples/alhrtf.c @@ -28,12 +28,13 @@ #include <assert.h> #include <math.h> +#include <SDL_sound.h> + #include "AL/al.h" #include "AL/alc.h" #include "AL/alext.h" #include "common/alhelpers.h" -#include "common/sdl_sound.h" #ifndef M_PI @@ -44,47 +45,63 @@ static LPALCGETSTRINGISOFT alcGetStringiSOFT; static LPALCRESETDEVICESOFT alcResetDeviceSOFT; /* LoadBuffer loads the named audio file into an OpenAL buffer object, and - * returns the new buffer ID. */ + * returns the new buffer ID. + */ static ALuint LoadSound(const char *filename) { - ALenum err, format, type, channels; - ALuint rate, buffer; - size_t datalen; - void *data; - FilePtr sound; + Sound_Sample *sample; + ALenum err, format; + ALuint buffer; + Uint32 slen; /* Open the audio file */ - sound = openAudioFile(filename, 1000); - if(!sound) + sample = Sound_NewSampleFromFile(filename, NULL, 65536); + if(!sample) { fprintf(stderr, "Could not open audio in %s\n", filename); - closeAudioFile(sound); return 0; } /* Get the sound format, and figure out the OpenAL format */ - if(getAudioInfo(sound, &rate, &channels, &type) != 0) + if(sample->actual.channels == 1) { - fprintf(stderr, "Error getting audio info for %s\n", filename); - closeAudioFile(sound); - return 0; + if(sample->actual.format == AUDIO_U8) + format = AL_FORMAT_MONO8; + else if(sample->actual.format == AUDIO_S16SYS) + format = AL_FORMAT_MONO16; + else + { + fprintf(stderr, "Unsupported sample format: 0x%04x\n", sample->actual.format); + Sound_FreeSample(sample); + return 0; + } } - - format = GetFormat(channels, type, NULL); - if(format == AL_NONE) + else if(sample->actual.channels == 2) { - fprintf(stderr, "Unsupported format (%s, %s) for %s\n", - ChannelsName(channels), TypeName(type), filename); - closeAudioFile(sound); + if(sample->actual.format == AUDIO_U8) + format = AL_FORMAT_STEREO8; + else if(sample->actual.format == AUDIO_S16SYS) + format = AL_FORMAT_STEREO16; + else + { + fprintf(stderr, "Unsupported sample format: 0x%04x\n", sample->actual.format); + Sound_FreeSample(sample); + return 0; + } + } + else + { + fprintf(stderr, "Unsupported channel count: %d\n", sample->actual.channels); + Sound_FreeSample(sample); return 0; } /* Decode the whole audio stream to a buffer. */ - data = decodeAudioStream(sound, &datalen); - if(!data) + slen = Sound_DecodeAll(sample); + if(!sample->buffer || slen == 0) { fprintf(stderr, "Failed to read audio from %s\n", filename); - closeAudioFile(sound); + Sound_FreeSample(sample); return 0; } @@ -92,9 +109,8 @@ static ALuint LoadSound(const char *filename) * close the file. */ buffer = 0; alGenBuffers(1, &buffer); - alBufferData(buffer, format, data, datalen, rate); - free(data); - closeAudioFile(sound); + alBufferData(buffer, format, sample->buffer, slen, sample->actual.rate); + Sound_FreeSample(sample); /* Check if an error occured, and clean up if so. */ err = alGetError(); @@ -219,10 +235,14 @@ int main(int argc, char **argv) } fflush(stdout); + /* Initialize SDL_sound. */ + Sound_Init(); + /* Load the sound into a buffer. */ buffer = LoadSound(soundname); if(!buffer) { + Sound_Quit(); CloseAL(); return 1; } @@ -263,10 +283,11 @@ int main(int argc, char **argv) alGetSourcei(source, AL_SOURCE_STATE, &state); } while(alGetError() == AL_NO_ERROR && state == AL_PLAYING); - /* All done. Delete resources, and close OpenAL. */ + /* All done. Delete resources, and close down SDL_sound and OpenAL. */ alDeleteSources(1, &source); alDeleteBuffers(1, &buffer); + Sound_Quit(); CloseAL(); return 0; |