diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/audioOutputs/audioOutput_jack.c | 72 |
1 files changed, 20 insertions, 52 deletions
diff --git a/src/audioOutputs/audioOutput_jack.c b/src/audioOutputs/audioOutput_jack.c index 423ebb860..fb0ea463b 100644 --- a/src/audioOutputs/audioOutput_jack.c +++ b/src/audioOutputs/audioOutput_jack.c @@ -1,5 +1,5 @@ /* jack plug in for the Music Player Daemon (MPD) - * Copyright (C) 2006-2007 by José Anarch <anarchsss@gmail.com> + * (c)2006 by anarch(anarchsss@gmail.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -26,29 +26,29 @@ #include "../log.h" #include <string.h> +#include <pthread.h> #include <jack/jack.h> #include <jack/types.h> #include <jack/ringbuffer.h> +pthread_mutex_t play_audio_lock = PTHREAD_MUTEX_INITIALIZER; +pthread_cond_t play_audio = PTHREAD_COND_INITIALIZER; + /*#include "dmalloc.h"*/ #define MIN(a, b) ((a) < (b) ? (a) : (b)) static char *name = "mpd"; static char *output_ports[2]; -static int ringbuf_sz = 65536; +static int ringbuf_sz = 32768; typedef struct _JackData { jack_port_t *ports[2]; jack_client_t *client; jack_ringbuffer_t *ringbuffer[2]; - jack_default_audio_sample_t *samples1; - jack_default_audio_sample_t *samples2; - int can_process; int bps; int shutdown; - int our_xrun; } JackData; /*JackData *jd = NULL;*/ @@ -69,10 +69,6 @@ static void freeJackData(AudioOutput *audioOutput) jack_ringbuffer_free(jd->ringbuffer[0]); if (jd->ringbuffer[1]) jack_ringbuffer_free(jd->ringbuffer[1]); - if (jd->samples1) - free(jd->samples1); - if (jd->samples2) - free(jd->samples2); free(jd); audioOutput->data = NULL; } @@ -129,7 +125,6 @@ static int process(jack_nframes_t nframes, void *arg) out[0] = jack_port_get_buffer(jd->ports[0], nframes); out[1] = jack_port_get_buffer(jd->ports[1], nframes); - /*if ( jd->can_process ) {*/ while ( nframes ) { avail_data = jack_ringbuffer_read_space(jd->ringbuffer[1]); @@ -154,32 +149,13 @@ static int process(jack_nframes_t nframes, void *arg) out[0][i] = out[1][i] = 0.0; nframes = 0; } - } - /* - if ( avail_data > 0 ) { - avail_frames = avail_data / sizeof(jack_default_audio_sample_t); - if (avail_frames > nframes) { - avail_frames = nframes; - avail_data = nframes - * sizeof(jack_default_audio_sample_t); + if (pthread_mutex_trylock (&play_audio_lock) == 0) { + pthread_cond_signal (&play_audio); + pthread_mutex_unlock (&play_audio_lock); } - jack_ringbuffer_read(jd->ringbuffer[0], (char *)out[0], - avail_data); - jack_ringbuffer_read(jd->ringbuffer[1], (char *)out[1], - avail_data); - - if (avail_frames < nframes) { - jd->our_xrun = 1; - for (i = avail_frames; i < nframes; i++) { - out[0][i] = out[1][i] = 0.0; - } - } - } else { - //ERROR ("avail_data=%d, no play (pid=%d)!\n", avail_data, getpid ()); - for (i = 0; i < nframes; i++) - out[0][i] = out[1][i] = 0.0; - } */ + } + /*ERROR("process (pid=%d)\n", getpid());*/ return 0; @@ -249,7 +225,7 @@ static int jack_initDriver(AudioOutput *audioOutput, ConfigParam *param) val = strtol(bp->value, &endptr, 10); if ( errno == 0 && endptr != bp->value) { - ringbuf_sz = val < 65536 ? 65536 : val; + ringbuf_sz = val < 32768 ? 32768 : val; ERROR("ringbuffer_size=%d\n", ringbuf_sz); } else { ERROR("%s is not a number; ringbuf_size=%d\n", @@ -402,7 +378,7 @@ static int jack_playAudio(AudioOutput * audioOutput, char *buff, int size) jack_default_audio_sample_t sample; size_t samples = size/4; - ERROR("jack_playAudio: (pid=%d)!\n", getpid()); + /*ERROR("jack_playAudio: (pid=%d)!\n", getpid());*/ if ( jd->shutdown ) { ERROR("Refusing to play, because there is no client thread.\n"); @@ -411,14 +387,11 @@ static int jack_playAudio(AudioOutput * audioOutput, char *buff, int size) return 0; } - /*ERROR("jack_playAudio: size=%d\n", size/4);*/ - /*ERROR("jack_playAudio - INICIO\n");*/ - 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);*/ + space = MIN(space, samples*sizeof(jack_default_audio_sample_t)); @@ -436,17 +409,12 @@ static int jack_playAudio(AudioOutput * audioOutput, char *buff, int size) samples--; } - } else { -/* ERROR("\t space=%d\n", space); */ -/* ERROR("\t size=%d\n", size); */ - usleep((unsigned long) - ((samples*sizeof(jack_default_audio_sample_t) - - space)/jd->bps) * 1000000.0); - } - } - - /*ERROR("jack_playAudio - FIN\n");*/ + } + pthread_mutex_lock(&play_audio_lock); + pthread_cond_wait(&play_audio, &play_audio_lock); + pthread_mutex_unlock(&play_audio_lock); + } return 0; } |