mirror of
https://github.com/libsdl-org/SDL.git
synced 2026-04-30 05:17:23 +02:00
committed by
Sam Lantinga
parent
e29c0661cc
commit
d0bbfdbfb8
@@ -162,7 +162,7 @@ static int jackProcessPlaybackCallback(jack_nframes_t nframes, void *arg)
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for (channelsi = 0; channelsi < total_channels; channelsi++) {
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float *dst = (float *)JACK_jack_port_get_buffer(ports[channelsi], nframes);
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if (dst) {
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const float *src = ((float *)this->hidden->iobuffer) + channelsi;
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const float *src = this->hidden->iobuffer + channelsi;
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int framesi;
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for (framesi = 0; framesi < total_frames; framesi++) {
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*(dst++) = *src;
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@@ -202,7 +202,7 @@ static int jackProcessCaptureCallback(jack_nframes_t nframes, void *arg)
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for (channelsi = 0; channelsi < total_channels; channelsi++) {
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const float *src = (const float *)JACK_jack_port_get_buffer(ports[channelsi], nframes);
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if (src) {
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float *dst = ((float *)this->hidden->iobuffer) + channelsi;
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float *dst = this->hidden->iobuffer + channelsi;
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int framesi;
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for (framesi = 0; framesi < total_frames; framesi++) {
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*dst = *(src++);
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@@ -312,6 +312,7 @@ static int JACK_OpenDevice(_THIS, const char *devname)
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}
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}
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if (channels == 0) {
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SDL_free(audio_ports);
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return SDL_SetError("No physical JACK ports available");
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}
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@@ -327,36 +328,42 @@ static int JACK_OpenDevice(_THIS, const char *devname)
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this->hidden->iosem = SDL_CreateSemaphore(0);
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if (!this->hidden->iosem) {
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SDL_free(audio_ports);
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return -1; /* error was set by SDL_CreateSemaphore */
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}
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this->hidden->iobuffer = (float *)SDL_calloc(1, this->spec.size);
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if (!this->hidden->iobuffer) {
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SDL_free(audio_ports);
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return SDL_OutOfMemory();
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}
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/* Build SDL's ports, which we will connect to the device ports. */
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this->hidden->sdlports = (jack_port_t **)SDL_calloc(channels, sizeof(jack_port_t *));
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if (this->hidden->sdlports == NULL) {
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SDL_free(audio_ports);
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return SDL_OutOfMemory();
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}
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for (i = 0; i < channels; i++) {
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char portname[32];
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SDL_snprintf(portname, sizeof(portname), "sdl_jack_%s_%d", sdlportstr, i);
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(void)SDL_snprintf(portname, sizeof(portname), "sdl_jack_%s_%d", sdlportstr, i);
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this->hidden->sdlports[i] = JACK_jack_port_register(client, portname, JACK_DEFAULT_AUDIO_TYPE, sdlportflags, 0);
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if (this->hidden->sdlports[i] == NULL) {
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SDL_free(audio_ports);
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return SDL_SetError("jack_port_register failed");
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}
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}
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if (JACK_jack_set_process_callback(client, callback, this) != 0) {
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SDL_free(audio_ports);
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return SDL_SetError("JACK: Couldn't set process callback");
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}
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JACK_jack_on_shutdown(client, jackShutdownCallback, this);
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if (JACK_jack_activate(client) != 0) {
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SDL_free(audio_ports);
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return SDL_SetError("Failed to activate JACK client");
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}
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@@ -366,6 +373,7 @@ static int JACK_OpenDevice(_THIS, const char *devname)
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const char *srcport = iscapture ? devports[audio_ports[i]] : sdlport;
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const char *dstport = iscapture ? sdlport : devports[audio_ports[i]];
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if (JACK_jack_connect(client, srcport, dstport) != 0) {
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SDL_free(audio_ports);
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return SDL_SetError("Couldn't connect JACK ports: %s => %s", srcport, dstport);
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}
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}
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