Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402195
This commit is contained in:
Ryan C. Gordon
parent
c500a06379
commit
0089ba6cbe
69 changed files with 5090 additions and 5826 deletions
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@ -7,7 +7,7 @@ EXE = @EXE@
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CFLAGS = @CFLAGS@
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LIBS = @LIBS@
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TARGETS = checkkeys$(EXE) graywin$(EXE) loopwave$(EXE) testalpha$(EXE) testbitmap$(EXE) testblitspeed$(EXE) testcdrom$(EXE) testcursor$(EXE) testdyngl$(EXE) testerror$(EXE) testfile$(EXE) testgamma$(EXE) testgl$(EXE) testgl2$(EXE) testhread$(EXE) testiconv$(EXE) testjoystick$(EXE) testkeys$(EXE) testlock$(EXE) testoverlay2$(EXE) testoverlay$(EXE) testpalette$(EXE) testplatform$(EXE) testsem$(EXE) testsprite$(EXE) testsprite2$(EXE) testtimer$(EXE) testver$(EXE) testvidinfo$(EXE) testwin$(EXE) testwm$(EXE) testwm2$(EXE) threadwin$(EXE) torturethread$(EXE)
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TARGETS = checkkeys$(EXE) graywin$(EXE) loopwave$(EXE) testaudioinfo$(EXE) testmultiaudio$(EXE) testalpha$(EXE) testbitmap$(EXE) testblitspeed$(EXE) testcdrom$(EXE) testcursor$(EXE) testdyngl$(EXE) testerror$(EXE) testfile$(EXE) testgamma$(EXE) testgl$(EXE) testgl2$(EXE) testhread$(EXE) testiconv$(EXE) testjoystick$(EXE) testkeys$(EXE) testlock$(EXE) testoverlay2$(EXE) testoverlay$(EXE) testpalette$(EXE) testplatform$(EXE) testsem$(EXE) testsprite$(EXE) testsprite2$(EXE) testtimer$(EXE) testver$(EXE) testvidinfo$(EXE) testwin$(EXE) testwm$(EXE) testwm2$(EXE) threadwin$(EXE) torturethread$(EXE)
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all: Makefile $(TARGETS)
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@ -23,6 +23,12 @@ graywin$(EXE): $(srcdir)/graywin.c
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loopwave$(EXE): $(srcdir)/loopwave.c
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$(CC) -o $@ $? $(CFLAGS) $(LIBS)
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testaudioinfo$(EXE): $(srcdir)/testaudioinfo.c
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$(CC) -o $@ $? $(CFLAGS) $(LIBS)
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testmultiaudio$(EXE): $(srcdir)/testmultiaudio.c
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$(CC) -o $@ $? $(CFLAGS) $(LIBS)
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testalpha$(EXE): $(srcdir)/testalpha.c
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$(CC) -o $@ $? $(CFLAGS) $(LIBS) @MATHLIB@
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@ -69,26 +69,12 @@ main(int argc, char *argv[])
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{
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int i, n;
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/* Print available audio drivers */
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n = SDL_GetNumAudioDrivers();
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if (n == 0) {
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printf("No built-in audio drivers\n");
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} else {
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printf("Built-in audio drivers:");
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for (i = 0; i < n; ++i) {
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if (i > 0) {
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printf(",");
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}
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printf(" %s", SDL_GetAudioDriver(i));
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}
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printf("\n");
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}
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/* Load the SDL library */
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if (SDL_Init(SDL_INIT_AUDIO) < 0) {
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fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return (1);
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}
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if (argv[1] == NULL) {
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argv[1] = "sample.wav";
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}
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@ -120,7 +106,6 @@ main(int argc, char *argv[])
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SDL_PauseAudio(0);
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/* Let the audio run */
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printf("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
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while (!done && (SDL_GetAudioStatus() == SDL_AUDIO_PLAYING))
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SDL_Delay(1000);
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53
test/testaudioinfo.c
Normal file
53
test/testaudioinfo.c
Normal file
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@ -0,0 +1,53 @@
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#include "SDL.h"
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static void print_devices(int iscapture)
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{
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const char *typestr = ((iscapture) ? "capture" : "output");
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int n = SDL_GetNumAudioDevices(iscapture);
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printf("%s devices:\n", typestr);
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if (n == -1)
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printf(" Driver can't detect specific devices.\n\n", typestr);
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else if (n == 0)
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printf(" No %s devices found.\n\n", typestr);
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else
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{
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int i;
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for (i = 0; i < n; i++) {
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printf(" %s\n", SDL_GetAudioDeviceName(i, iscapture));
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}
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printf("\n");
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}
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}
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int main(int argc, char **argv)
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{
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/* Print available audio drivers */
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int n = SDL_GetNumAudioDrivers();
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if (n == 0) {
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printf("No built-in audio drivers\n\n");
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} else {
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int i;
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printf("Built-in audio drivers:\n");
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for (i = 0; i < n; ++i) {
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printf(" %s\n", SDL_GetAudioDriver(i));
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}
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printf("\n");
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}
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/* Load the SDL library */
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if (SDL_Init(SDL_INIT_AUDIO) < 0) {
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fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return (1);
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}
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printf("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver());
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print_devices(0);
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print_devices(1);
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SDL_Quit();
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return 0;
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}
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136
test/testmultiaudio.c
Normal file
136
test/testmultiaudio.c
Normal file
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@ -0,0 +1,136 @@
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#include "SDL.h"
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static SDL_AudioSpec spec;
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static Uint8 *sound = NULL; /* Pointer to wave data */
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static Uint32 soundlen = 0; /* Length of wave data */
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typedef struct
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{
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SDL_AudioDeviceID dev;
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int soundpos;
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volatile int done;
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} callback_data;
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void SDLCALL play_through_once(void *arg, Uint8 * stream, int len)
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{
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callback_data *cbd = (callback_data *) arg;
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Uint8 *waveptr = sound + cbd->soundpos;
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int waveleft = soundlen - cbd->soundpos;
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int cpy = len;
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if (cpy > waveleft)
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cpy = waveleft;
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memcpy(stream, waveptr, cpy);
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len -= cpy;
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cbd->soundpos += cpy;
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if (len > 0) {
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stream += cpy;
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memset(stream, spec.silence, len);
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cbd->done++;
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}
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}
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static void test_multi_audio(int devcount)
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{
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callback_data cbd[64];
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int keep_going = 1;
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int i;
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if (devcount > 64) {
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fprintf(stderr, "Too many devices (%d), clamping to 64...\n", devcount);
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devcount = 64;
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}
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spec.callback = play_through_once;
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for (i = 0; i < devcount; i++) {
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const char *devname = SDL_GetAudioDeviceName(i, 0);
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printf("playing on device #%d: ('%s')...", i, devname);
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fflush(stdout);
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memset(&cbd[0], '\0', sizeof (callback_data));
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spec.userdata = &cbd[0];
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cbd[0].dev = SDL_OpenAudioDevice(devname, 0, &spec, NULL);
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if (cbd[0].dev == 0) {
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printf("Open device failed: %s\n", SDL_GetError());
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} else {
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SDL_PauseAudioDevice(cbd[0].dev, 0);
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while (!cbd[0].done)
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SDL_Delay(100);
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SDL_PauseAudioDevice(cbd[0].dev, 1);
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printf("done.\n");
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SDL_CloseAudioDevice(cbd[0].dev);
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}
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}
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memset(cbd, '\0', sizeof (cbd));
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printf("playing on all devices...\n");
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for (i = 0; i < devcount; i++) {
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const char *devname = SDL_GetAudioDeviceName(i, 0);
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spec.userdata = &cbd[i];
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cbd[i].dev = SDL_OpenAudioDevice(devname, 0, &spec, NULL);
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if (cbd[i].dev == 0) {
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printf("Open device %d failed: %s\n", i, SDL_GetError());
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}
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}
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for (i = 0; i < devcount; i++) {
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if (cbd[i].dev) {
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SDL_PauseAudioDevice(cbd[i].dev, 0);
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}
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}
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while (keep_going) {
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keep_going = 0;
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for (i = 0; i < devcount; i++) {
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if ((cbd[i].dev) && (!cbd[i].done)) {
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keep_going = 1;
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}
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}
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SDL_Delay(100);
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}
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for (i = 0; i < devcount; i++) {
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if (cbd[i].dev) {
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SDL_PauseAudioDevice(cbd[i].dev, 1);
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SDL_CloseAudioDevice(cbd[i].dev);
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}
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}
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printf("All done!\n");
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}
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int main(int argc, char **argv)
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{
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int devcount = 0;
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/* Load the SDL library */
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if (SDL_Init(SDL_INIT_AUDIO) < 0) {
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fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return (1);
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}
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printf("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
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devcount = SDL_GetNumAudioDevices(0);
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if (devcount < 1) {
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fprintf(stderr, "Don't see any specific audio devices!\n");
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} else {
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if (argv[1] == NULL) {
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argv[1] = "sample.wav";
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}
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/* Load the wave file into memory */
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if (SDL_LoadWAV(argv[1], &spec, &sound, &soundlen) == NULL) {
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fprintf(stderr, "Couldn't load %s: %s\n", argv[1], SDL_GetError());
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} else {
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test_multi_audio(devcount);
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SDL_FreeWAV(sound);
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}
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}
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SDL_Quit();
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return 0;
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}
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