diff options
Diffstat (limited to '')
| -rw-r--r-- | src/audioOutputs/audioOutput_jack.c | 79 |
1 files changed, 29 insertions, 50 deletions
diff --git a/src/audioOutputs/audioOutput_jack.c b/src/audioOutputs/audioOutput_jack.c index f72cd31cb..ee03429f5 100644 --- a/src/audioOutputs/audioOutput_jack.c +++ b/src/audioOutputs/audioOutput_jack.c @@ -37,7 +37,7 @@ static char *name = "mpd"; static char *output_ports[2]; -static int ringbuf_sz = 32768; +static int ringbuf_sz = 65536; typedef struct _JackData { jack_port_t *ports[2]; @@ -201,7 +201,7 @@ static void set_audioformat(AudioOutput *audioOutput) audioFormat->channels = 2; audioFormat->bits = 16; jd->bps = audioFormat->channels - * sizeof(jack_default_audio_sample_t)*8 + * sizeof(jack_default_audio_sample_t) * audioFormat->sampleRate; } @@ -249,7 +249,7 @@ static int jack_initDriver(AudioOutput *audioOutput, ConfigParam *param) val = strtol(bp->value, &endptr, 10); if ( errno == 0 && endptr != bp->value) { - ringbuf_sz = val < 32768 ? 32768 : val; + ringbuf_sz = val < 65536 ? 65536 : val; ERROR("ringbuffer_size=%d\n", ringbuf_sz); } else { ERROR("%s is not a number; ringbuf_size=%d\n", @@ -397,10 +397,10 @@ static int jack_playAudio(AudioOutput * audioOutput, char *buff, int size) { JackData *jd = audioOutput->data; size_t space; - char *samples1; - char *samples2; int i; short *buffer = (short *) buff; + jack_default_audio_sample_t sample; + size_t samples = size/4; ERROR("jack_playAudio: (pid=%d)!\n", getpid()); @@ -411,60 +411,39 @@ static int jack_playAudio(AudioOutput * audioOutput, char *buff, int size) return 0; } - /*jd->can_process=0;*/ - /* if ( jd->our_xrun ) { */ -/* ERROR("xrun\n"); */ -/* jd->our_xrun = 0; */ -/* } */ - /*ERROR("jack_playAudio: size=%d\n", size/4);*/ /*ERROR("jack_playAudio - INICIO\n");*/ - if ( ! jd->samples1 ) { - ERROR("jd->samples1=xmalloc\n"); - jd->samples1 = (jack_default_audio_sample_t *) - xmalloc(size*sizeof(jack_default_audio_sample_t)); - } - if ( ! jd->samples2 ) { - ERROR("jd->samples2=xmalloc\n"); - jd->samples2 = (jack_default_audio_sample_t *) - xmalloc(size*sizeof(jack_default_audio_sample_t)); - } + while ( samples && !jd->shutdown ) { + /*ERROR("\t samples=%d\n", samples);*/ + if ( (space = jack_ringbuffer_write_space(jd->ringbuffer[0])) + >= samples*sizeof(jack_default_audio_sample_t) ) { + /*ERROR("\t samples_b=%d space=%d\n", samples*sizeof(jack_default_audio_sample_t), space);*/ - /* primero convierto todo el buffer al formato que usa jack */ - for (i=0; i<size; i++) { - *(jd->samples1 + i) = - (jack_default_audio_sample_t) *(buffer++) / 32768; - *(jd->samples2 + i) = - (jack_default_audio_sample_t) *(buffer++) / 32768; - /* - *(jd->samples1 + i) = - (jack_default_audio_sample_t) *(buff + i) / 32768; - *(jd->samples2 + i) = - (jack_default_audio_sample_t) *(buff + i) / 32768; - */ - } + space = MIN(space, samples*sizeof(jack_default_audio_sample_t)); + + for(i=0; i<space/sizeof(jack_default_audio_sample_t); i++) { + sample = (jack_default_audio_sample_t) *(buffer++)/32768.0; + + jack_ringbuffer_write(jd->ringbuffer[0], (void*)&sample, + sizeof(jack_default_audio_sample_t)); + + sample = (jack_default_audio_sample_t) *(buffer++)/32768.0; + + jack_ringbuffer_write(jd->ringbuffer[1], (void*)&sample, + sizeof(jack_default_audio_sample_t)); + + samples--; + } - samples1 = (char *)jd->samples1; - samples2 = (char *)jd->samples2; - while ( size && !jd->shutdown ) { - if ( (space = jack_ringbuffer_write_space(jd->ringbuffer[0])) - >= size ) { - /*ERROR("\t size=%d space=%d\n", size, space);*/ - space = MIN(space, size); - jack_ringbuffer_write(jd->ringbuffer[0],samples1,space); - jack_ringbuffer_write(jd->ringbuffer[1],samples2,space); - size -= space; - samples1 += space; - samples2 += space; } else { - /* ERROR("\t space=%d\n", space); */ - /* ERROR("\t size=%d\n", size); */ +/* ERROR("\t space=%d\n", space); */ +/* ERROR("\t size=%d\n", size); */ usleep((unsigned long) - ((size-space)/jd->bps) * 1000000.0); + ((samples*sizeof(jack_default_audio_sample_t) + - space)/jd->bps) * 1000000.0); } } -/* jd->can_process=1; */ /*ERROR("jack_playAudio - FIN\n");*/ |