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Update the multi_playback example to include FLAC and Vorbis.

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This commit is contained in:
David Reid
2017-11-18 16:26:45 +10:00
parent 5de1079427
commit 0f409ac32c
1 changed files with 75 additions and 18 deletions
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examples/multi_playback.c
+75 -18
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@@ -1,9 +1,13 @@
#define MAL_IMPLEMENTATION
#include "../mini_al.h"
#define _CRT_SECURE_NO_WARNINGS
#define DR_FLAC_IMPLEMENTATION
#include "../extras/dr_flac.h"
#define DR_WAV_IMPLEMENTATION
#include "../extras/dr_wav.h"
#include "../extras/stb_vorbis.c"
#define JAR_MOD_IMPLEMENTATION
#include "../extras/jar_mod.h"
#undef DEBUG
@@ -11,9 +15,21 @@
#define JAR_XM_IMPLEMENTATION
#include "../extras/jar_xm.h"
#define MAL_IMPLEMENTATION
#include "../mini_al.h"
#include <stdio.h>
// This is the function that's used for sending more data to the device for playback.
mal_uint32 on_send_flac_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
{
drflac* pFlac = (drflac*)pDevice->pUserData;
if (pFlac == NULL) {
return 0;
}
return (mal_uint32)drflac_read_s16(pFlac, frameCount * pDevice->channels, (mal_int16*)pSamples) / pDevice->channels;
}
mal_uint32 on_send_wav_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
{
drwav* pWav = (drwav*)pDevice->pUserData;
@@ -24,6 +40,16 @@ mal_uint32 on_send_wav_frames_to_device(mal_device* pDevice, mal_uint32 frameCou
return (mal_uint32)drwav_read_s16(pWav, frameCount * pDevice->channels, (mal_int16*)pSamples) / pDevice->channels;
}
mal_uint32 on_send_vorbis_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
{
stb_vorbis* pVorbis = (stb_vorbis*)pDevice->pUserData;
if (pVorbis == NULL) {
return 0;
}
return (mal_uint32)stb_vorbis_get_samples_short_interleaved(pVorbis, pDevice->channels, (short*)pSamples, frameCount * pDevice->channels) / pDevice->channels;
}
mal_uint32 on_send_mod_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
{
jar_mod_context_t* pMod = (jar_mod_context_t*)pDevice->pUserData;
@@ -31,8 +57,8 @@ mal_uint32 on_send_mod_frames_to_device(mal_device* pDevice, mal_uint32 frameCou
return 0;
}
jar_mod_fillbuffer(pMod, (mal_int16*)pSamples, frameCount * pDevice->channels, 0);
return (mal_uint32)(frameCount * pDevice->channels);
jar_mod_fillbuffer(pMod, (mal_int16*)pSamples, frameCount, 0);
return frameCount;
}
mal_uint32 on_send_xm_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
@@ -42,8 +68,8 @@ mal_uint32 on_send_xm_frames_to_device(mal_device* pDevice, mal_uint32 frameCoun
return 0;
}
jar_xm_generate_samples_16bit(pXM, (short*)pSamples, frameCount * pDevice->channels); // (48000 / 60) / 2
return (mal_uint32)(frameCount * pDevice->channels);
jar_xm_generate_samples_16bit(pXM, (short*)pSamples, frameCount);
return frameCount;
}
int main(int argc, char** argv)
@@ -55,17 +81,21 @@ int main(int argc, char** argv)
return -1;
}
enum { UNK, WAV, MOD, XM } type = UNK;
enum { UNK, FLAC, WAV, VORBIS, MOD, XM } type = UNK;
jar_mod_context_t mod;
jar_mod_init(&mod);
jar_xm_context_t *xm = 0;
drwav wav;
if ( type == UNK && drwav_init_file(&wav, argv[1]) ) type = WAV;
if ( type == UNK && (jar_xm_create_context_from_file(&xm, 48000, argv[1]) == 0)) type = XM;
if ( type == UNK && (jar_mod_load_file(&mod, argv[1]) != 0) ) type = MOD;
drflac* flac = NULL;
drwav* wav = NULL;
stb_vorbis* vorbis = NULL;
if ( type == UNK && (flac = drflac_open_file(argv[1])) != NULL) type = FLAC;
if ( type == UNK && (wav = drwav_open_file(&wav, argv[1])) != NULL) type = WAV;
if ( type == UNK && (vorbis = stb_vorbis_open_filename(argv[1], NULL, NULL)) != NULL) type = VORBIS;
if ( type == UNK && (jar_xm_create_context_from_file(&xm, 48000, argv[1]) == 0)) type = XM;
if ( type == UNK && (jar_mod_load_file(&mod, argv[1]) != 0) ) type = MOD;
if( type == UNK ) {
printf("Not a valid input file.");
@@ -80,13 +110,38 @@ int main(int argc, char** argv)
goto end;
}
void* pUserData = NULL;
mal_device_config config;
if( type == WAV ) config = mal_device_config_init_playback(mal_format_s16, wav.channels, wav.sampleRate, on_send_wav_frames_to_device );
if( type == MOD ) config = mal_device_config_init_playback(mal_format_s16, 2, mod.playrate, on_send_mod_frames_to_device );
if( type == XM ) config = mal_device_config_init_playback(mal_format_s16, 2, 48000, on_send_xm_frames_to_device );
switch (type)
{
case FLAC:
config = mal_device_config_init_playback(mal_format_s16, flac->channels, flac->sampleRate, on_send_flac_frames_to_device);
pUserData = flac;
break;
case WAV:
config = mal_device_config_init_playback(mal_format_s16, wav->channels, wav->sampleRate, on_send_wav_frames_to_device);
pUserData = wav;
break;
case VORBIS:
config = mal_device_config_init_playback(mal_format_s16, vorbis->channels, vorbis->sample_rate, on_send_vorbis_frames_to_device);
pUserData = vorbis;
break;
case MOD:
config = mal_device_config_init_playback(mal_format_s16, 2, mod.playrate, on_send_mod_frames_to_device);
pUserData = &mod;
break;
case XM:
config = mal_device_config_init_playback(mal_format_s16, 2, 48000, on_send_xm_frames_to_device);
pUserData = xm;
break;
}
mal_device device;
if (mal_device_init(&context, mal_device_type_playback, NULL, &config, type == WAV ? (void*)&wav : type == MOD ? (void*)&mod : (void*)xm, &device) != MAL_SUCCESS) {
if (mal_device_init(&context, mal_device_type_playback, NULL, &config, pUserData, &device) != MAL_SUCCESS) {
printf("Failed to open playback device.");
mal_context_uninit(&context);
exitcode = -4;
@@ -101,8 +156,10 @@ int main(int argc, char** argv)
mal_device_uninit(&device);
mal_context_uninit(&context);
end:;
drwav_uninit(&wav);
end:;
drflac_close(flac);
drwav_close(wav);
stb_vorbis_close(vorbis);
jar_mod_unload(&mod);
if(xm) jar_xm_free_context(xm);