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-rw-r--r--examples/allatency.c100
1 files changed, 56 insertions, 44 deletions
diff --git a/examples/allatency.c b/examples/allatency.c
index deb13d3b..d561373f 100644
--- a/examples/allatency.c
+++ b/examples/allatency.c
@@ -27,16 +27,14 @@
#include <stdio.h>
#include <assert.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"
-
-static LPALBUFFERSAMPLESSOFT alBufferSamplesSOFT = wrap_BufferSamples;
-static LPALISBUFFERFORMATSUPPORTEDSOFT alIsBufferFormatSupportedSOFT;
static LPALSOURCEDSOFT alSourcedSOFT;
static LPALSOURCE3DSOFT alSource3dSOFT;
@@ -52,47 +50,63 @@ static LPALGETSOURCE3I64SOFT alGetSource3i64SOFT;
static LPALGETSOURCEI64VSOFT alGetSourcei64vSOFT;
/* 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, alIsBufferFormatSupportedSOFT);
- 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;
}
@@ -100,17 +114,15 @@ static ALuint LoadSound(const char *filename)
* close the file. */
buffer = 0;
alGenBuffers(1, &buffer);
- alBufferSamplesSOFT(buffer, rate, format, BytesToFrames(datalen, channels, type),
- channels, type, data);
- 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();
if(err != AL_NO_ERROR)
{
fprintf(stderr, "OpenAL Error: %s\n", alGetString(err));
- if(alIsBuffer(buffer))
+ if(buffer && alIsBuffer(buffer))
alDeleteBuffers(1, &buffer);
return 0;
}
@@ -125,15 +137,16 @@ int main(int argc, char **argv)
ALdouble offsets[2];
ALenum state;
- /* Print out usage if no file was specified */
+ /* Print out usage if no arguments were specified */
if(argc < 2)
{
- fprintf(stderr, "Usage: %s <filename>\n", argv[0]);
+ fprintf(stderr, "Usage: %s [-device <name>] <filename>\n", argv[0]);
return 1;
}
- /* Initialize OpenAL with the default device, and check for EFX support. */
- if(InitAL() != 0)
+ /* Initialize OpenAL, and check for source_latency support. */
+ argv++; argc--;
+ if(InitAL(&argv, &argc) != 0)
return 1;
if(!alIsExtensionPresent("AL_SOFT_source_latency"))
@@ -157,18 +170,16 @@ int main(int argc, char **argv)
LOAD_PROC(alGetSourcei64SOFT);
LOAD_PROC(alGetSource3i64SOFT);
LOAD_PROC(alGetSourcei64vSOFT);
-
- if(alIsExtensionPresent("AL_SOFT_buffer_samples"))
- {
- LOAD_PROC(alBufferSamplesSOFT);
- LOAD_PROC(alIsBufferFormatSupportedSOFT);
- }
#undef LOAD_PROC
+ /* Initialize SDL_sound. */
+ Sound_Init();
+
/* Load the sound into a buffer. */
- buffer = LoadSound(argv[1]);
+ buffer = LoadSound(argv[0]);
if(!buffer)
{
+ Sound_Quit();
CloseAL();
return 1;
}
@@ -182,7 +193,7 @@ int main(int argc, char **argv)
/* Play the sound until it finishes. */
alSourcePlay(source);
do {
- Sleep(10);
+ al_nssleep(10000000);
alGetSourcei(source, AL_SOURCE_STATE, &state);
/* Get the source offset and latency. AL_SEC_OFFSET_LATENCY_SOFT will
@@ -194,10 +205,11 @@ int main(int argc, char **argv)
} while(alGetError() == AL_NO_ERROR && state == AL_PLAYING);
printf("\n");
- /* 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;