diff options
Diffstat (limited to 'media/libcubeb/src')
-rw-r--r-- | media/libcubeb/src/cubeb.c | 6 | ||||
-rw-r--r-- | media/libcubeb/src/cubeb_sun.c | 504 | ||||
-rw-r--r-- | media/libcubeb/src/moz.build | 6 |
3 files changed, 516 insertions, 0 deletions
diff --git a/media/libcubeb/src/cubeb.c b/media/libcubeb/src/cubeb.c index eb22a9b94..a239319a4 100644 --- a/media/libcubeb/src/cubeb.c +++ b/media/libcubeb/src/cubeb.c @@ -54,6 +54,9 @@ int audiotrack_init(cubeb ** context, char const * context_name); #if defined(USE_KAI) int kai_init(cubeb ** context, char const * context_name); #endif +#if defined(USE_SUN) +int sunaudio_init(cubeb ** context, char const * context_name); +#endif static int @@ -141,6 +144,9 @@ cubeb_init(cubeb ** context, char const * context_name) #if defined(USE_KAI) kai_init, #endif +#if defined(USE_SUN) + sunaudio_init, +#endif }; int i; diff --git a/media/libcubeb/src/cubeb_sun.c b/media/libcubeb/src/cubeb_sun.c new file mode 100644 index 000000000..b768bca56 --- /dev/null +++ b/media/libcubeb/src/cubeb_sun.c @@ -0,0 +1,504 @@ +/* + * Copyright (c) 2013, 2017 Ginn Chen <ginnchen@gmail.com> + * + * This program is made available under an ISC-style license. See the + * accompanying file LICENSE for details. + */ +#include <poll.h> +#include <pthread.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <fcntl.h> +#include <sys/audio.h> +#include <sys/stat.h> +#include <unistd.h> +#include <sys/stropts.h> +#include "cubeb/cubeb.h" +#include "cubeb-internal.h" + +/* Macros copied from audio_oss.h */ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (C) 4Front Technologies 1996-2008. + * + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +#define OSSIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ +#define OSSIOC_VOID 0x00000000 /* no parameters */ +#define OSSIOC_OUT 0x20000000 /* copy out parameters */ +#define OSSIOC_IN 0x40000000 /* copy in parameters */ +#define OSSIOC_INOUT (OSSIOC_IN|OSSIOC_OUT) +#define OSSIOC_SZ(t) ((sizeof (t) & OSSIOCPARM_MASK) << 16) +#define __OSSIO(x, y) ((int)(OSSIOC_VOID|(x<<8)|y)) +#define __OSSIOR(x, y, t) ((int)(OSSIOC_OUT|OSSIOC_SZ(t)|(x<<8)|y)) +#define __OSSIOWR(x, y, t) ((int)(OSSIOC_INOUT|OSSIOC_SZ(t)|(x<<8)|y)) +#define SNDCTL_DSP_SPEED __OSSIOWR('P', 2, int) +#define SNDCTL_DSP_CHANNELS __OSSIOWR('P', 6, int) +#define SNDCTL_DSP_SETFMT __OSSIOWR('P', 5, int) /* Selects ONE fmt */ +#define SNDCTL_DSP_GETODELAY __OSSIOR('P', 23, int) +#define SNDCTL_DSP_HALT_OUTPUT __OSSIO('P', 34) +#define AFMT_S16_LE 0x00000010 +#define AFMT_S16_BE 0x00000020 + +#if defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) +#define AFMT_S16_NE AFMT_S16_BE +#else +#define AFMT_S16_NE AFMT_S16_LE +#endif + +#define DEFAULT_AUDIO_DEVICE "/dev/audio" +#define DEFAULT_DSP_DEVICE "/dev/dsp" + +#define BUF_SIZE_MS 10 + +#if defined(CUBEB_SUNAUDIO_DEBUG) +#define DPR(...) fprintf(stderr, __VA_ARGS__); +#else +#define DPR(...) do {} while(0) +#endif + +static struct cubeb_ops const sunaudio_ops; + +struct cubeb { + struct cubeb_ops const * ops; +}; + +struct cubeb_stream { + cubeb * context; + pthread_t th; /* to run real-time audio i/o */ + pthread_mutex_t mutex; /* protects fd and frm_played */ + int fd; /* link us to sunaudio */ + int active; /* cubec_start() called */ + int conv; /* need float->s16 conversion */ + int using_oss; + unsigned char *buf; /* data is prepared here */ + unsigned int rate; + unsigned int n_channles; + unsigned int bytes_per_ch; + unsigned int n_frm; + unsigned int buffer_size; + int64_t frm_played; + cubeb_data_callback data_cb; /* cb to preapare data */ + cubeb_state_callback state_cb; /* cb to notify about state changes */ + void *arg; /* user arg to {data,state}_cb */ +}; + +static void +float_to_s16(void *ptr, long nsamp) +{ + int16_t *dst = ptr; + float *src = ptr; + + while (nsamp-- > 0) + *(dst++) = *(src++) * 32767; +} + +static void * +sunaudio_mainloop(void *arg) +{ + struct cubeb_stream *s = arg; + int state; + + DPR("sunaudio_mainloop()\n"); + + s->state_cb(s, s->arg, CUBEB_STATE_STARTED); + + pthread_mutex_lock(&s->mutex); + DPR("sunaudio_mainloop(), started\n"); + + for (;;) { + if (!s->active) { + DPR("sunaudio_mainloop() stopped\n"); + state = CUBEB_STATE_STOPPED; + break; + } + + if (!s->using_oss) { + audio_info_t info; + ioctl(s->fd, AUDIO_GETINFO, &info); + if (s->frm_played > info.play.samples + 3 * s->n_frm) { + pthread_mutex_unlock(&s->mutex); + struct timespec ts = {0, 10000}; // 10 ms + nanosleep(&ts, NULL); + pthread_mutex_lock(&s->mutex); + continue; + } + } + + pthread_mutex_unlock(&s->mutex); + unsigned int got = s->data_cb(s, s->arg, NULL, s->buf, s->n_frm); + DPR("sunaudio_mainloop() ask %d got %d\n", s->n_frm, got); + pthread_mutex_lock(&s->mutex); + + if (got < 0) { + DPR("sunaudio_mainloop() cb err\n"); + state = CUBEB_STATE_ERROR; + break; + } + + if (s->conv) { + float_to_s16(s->buf, got * s->n_channles); + } + + unsigned int avail = got * 2 * s->n_channles; // coverted to s16 + unsigned int pos = 0; + + while (avail > 0 && s->active) { + int written = write(s->fd, s->buf + pos, avail); + if (written == -1) { + if (errno != EINTR && errno != EWOULDBLOCK) { + DPR("sunaudio_mainloop() write err\n"); + state = CUBEB_STATE_ERROR; + break; + } + pthread_mutex_unlock(&s->mutex); + struct timespec ts = {0, 10000}; // 10 ms + nanosleep(&ts, NULL); + pthread_mutex_lock(&s->mutex); + } else { + pos += written; + DPR("sunaudio_mainloop() write %d pos %d\n", written, pos); + s->frm_played += written / 2 / s->n_channles; + avail -= written; + } + } + + if ((got < s->n_frm)) { + DPR("sunaudio_mainloop() drained\n"); + state = CUBEB_STATE_DRAINED; + break; + } + } + + pthread_mutex_unlock(&s->mutex); + s->state_cb(s, s->arg, state); + + return NULL; +} + +/*static*/ int +sunaudio_init(cubeb **context, char const *context_name) +{ + DPR("sunaudio_init(%s)\n", context_name); + *context = malloc(sizeof(*context)); + (*context)->ops = &sunaudio_ops; + (void)context_name; + return CUBEB_OK; +} + +static char const * +sunaudio_get_backend_id(cubeb *context) +{ + return "sunaudio"; +} + +static void +sunaudio_destroy(cubeb *context) +{ + DPR("sunaudio_destroy()\n"); + free(context); +} + +static int +sunaudio_stream_init(cubeb *context, + cubeb_stream **stream, + char const *stream_name, + cubeb_devid input_device, + cubeb_stream_params * input_stream_params, + cubeb_devid output_device, + cubeb_stream_params * output_stream_params, + unsigned int latency, + cubeb_data_callback data_callback, + cubeb_state_callback state_callback, + void *user_ptr) +{ + struct cubeb_stream *s; + DPR("sunaudio_stream_init(%s)\n", stream_name); + size_t size; + + s = malloc(sizeof(struct cubeb_stream)); + if (s == NULL) + return CUBEB_ERROR; + s->context = context; + + // If UTAUDIODEV is set, use it with Sun Audio interface + char * sa_device_name = getenv("UTAUDIODEV"); + char * dsp_device_name = NULL; + if (!sa_device_name) { + dsp_device_name = getenv("AUDIODSP"); + if (!dsp_device_name) { + dsp_device_name = DEFAULT_DSP_DEVICE; + } + sa_device_name = getenv("AUDIODEV"); + if (!sa_device_name) { + sa_device_name = DEFAULT_AUDIO_DEVICE; + } + } + + s->using_oss = 0; + // Try to use OSS if available + if (dsp_device_name) { + s->fd = open(dsp_device_name, O_WRONLY | O_NONBLOCK); + if (s->fd >= 0) { + s->using_oss = 1; + } + } + + // Try Sun Audio + if (!s->using_oss) { + s->fd = open(sa_device_name, O_WRONLY | O_NONBLOCK); + } + + if (s->fd < 0) { + free(s); + DPR("sunaudio_stream_init(), open() failed\n"); + return CUBEB_ERROR; + } + + if (s->using_oss) { + if (ioctl(s->fd, SNDCTL_DSP_SPEED, &output_stream_params->rate) < 0) { + DPR("ioctl SNDCTL_DSP_SPEED failed.\n"); + close(s->fd); + free(s); + return CUBEB_ERROR_INVALID_FORMAT; + } + + if (ioctl(s->fd, SNDCTL_DSP_CHANNELS, &output_stream_params->channels) < 0) { + DPR("ioctl SNDCTL_DSP_CHANNELS failed.\n"); + close(s->fd); + free(s); + return CUBEB_ERROR_INVALID_FORMAT; + } + + int format = AFMT_S16_NE; + if (ioctl(s->fd, SNDCTL_DSP_SETFMT, &format) < 0) { + DPR("ioctl SNDCTL_DSP_SETFMT failed.\n"); + close(s->fd); + free(s); + return CUBEB_ERROR_INVALID_FORMAT; + } + } else { + audio_info_t audio_info; + AUDIO_INITINFO(&audio_info) + audio_info.play.sample_rate = output_stream_params->rate; + audio_info.play.channels = output_stream_params->channels; + audio_info.play.encoding = AUDIO_ENCODING_LINEAR; + audio_info.play.precision = 16; + if (ioctl(s->fd, AUDIO_SETINFO, &audio_info) == -1) { + DPR("ioctl AUDIO_SETINFO failed.\n"); + close(s->fd); + free(s); + return CUBEB_ERROR_INVALID_FORMAT; + } + } + + s->conv = 0; + switch (output_stream_params->format) { + case CUBEB_SAMPLE_S16NE: + s->bytes_per_ch = 2; + break; + case CUBEB_SAMPLE_FLOAT32NE: + s->bytes_per_ch = 4; + s->conv = 1; + break; + default: + DPR("sunaudio_stream_init() unsupported format\n"); + close(s->fd); + free(s); + return CUBEB_ERROR_INVALID_FORMAT; + } + + s->active = 0; + s->rate = output_stream_params->rate; + s->n_channles = output_stream_params->channels; + s->data_cb = data_callback; + s->state_cb = state_callback; + s->arg = user_ptr; + if (pthread_mutex_init(&s->mutex, NULL) != 0) { + free(s); + return CUBEB_ERROR; + } + s->frm_played = 0; + s->n_frm = s->rate * BUF_SIZE_MS / 1000; + s->buffer_size = s->bytes_per_ch * s->n_channles * s->n_frm; + s->buf = malloc(s->buffer_size); + if (s->buf == NULL) { + close(s->fd); + free(s); + return CUBEB_ERROR; + } + + *stream = s; + DPR("sunaudio_stream_init() end, ok\n"); + return CUBEB_OK; +} + +static void +sunaudio_stream_destroy(cubeb_stream *s) +{ + DPR("sunaudio_stream_destroy()\n"); + if (s->fd > 0) { + // Flush buffer + if (s->using_oss) { + ioctl(s->fd, SNDCTL_DSP_HALT_OUTPUT); + } else { + ioctl(s->fd, I_FLUSH); + } + close(s->fd); + } + free(s->buf); + free(s); +} + +static int +sunaudio_stream_start(cubeb_stream *s) +{ + int err; + + DPR("sunaudio_stream_start()\n"); + s->active = 1; + err = pthread_create(&s->th, NULL, sunaudio_mainloop, s); + if (err) { + s->active = 0; + return CUBEB_ERROR; + } + return CUBEB_OK; +} + +static int +sunaudio_stream_stop(cubeb_stream *s) +{ + void *dummy; + + DPR("sunaudio_stream_stop()\n"); + if (s->active) { + s->active = 0; + pthread_join(s->th, &dummy); + } + return CUBEB_OK; +} + +static int +sunaudio_stream_get_position(cubeb_stream *s, uint64_t *p) +{ + int rv = CUBEB_OK; + pthread_mutex_lock(&s->mutex); + if (s->active && s->fd > 0) { + if (s->using_oss) { + int delay; + ioctl(s->fd, SNDCTL_DSP_GETODELAY, &delay); + int64_t t = s->frm_played - delay / s->n_channles / 2; + if (t < 0) { + *p = 0; + } else { + *p = t; + } + } else { + audio_info_t info; + ioctl(s->fd, AUDIO_GETINFO, &info); + *p = info.play.samples; + } + DPR("sunaudio_stream_get_position() %lld\n", *p); + } else { + rv = CUBEB_ERROR; + } + pthread_mutex_unlock(&s->mutex); + return rv; +} + +static int +sunaudio_get_max_channel_count(cubeb * ctx, uint32_t * max_channels) +{ + if (!ctx || !max_channels) + return CUBEB_ERROR; + + *max_channels = 2; + + return CUBEB_OK; +} + +static int +sunaudio_get_preferred_sample_rate(cubeb * ctx, uint32_t * rate) +{ + if (!ctx || !rate) + return CUBEB_ERROR; + + // XXX Not yet implemented. + *rate = 44100; + + return CUBEB_OK; +} + +static int +sunaudio_get_min_latency(cubeb * ctx, cubeb_stream_params params, uint32_t * latency_ms) +{ + if (!ctx || !latency_ms) + return CUBEB_ERROR; + + // XXX Not yet implemented. + *latency_ms = 20; + + return CUBEB_OK; +} + +static int +sunaudio_stream_get_latency(cubeb_stream * s, uint32_t * latency) +{ + if (!s || !latency) + return CUBEB_ERROR; + + int rv = CUBEB_OK; + pthread_mutex_lock(&s->mutex); + if (s->active && s->fd > 0) { + if (s->using_oss) { + int delay; + ioctl(s->fd, SNDCTL_DSP_GETODELAY, &delay); + *latency = delay / s->n_channles / 2 / s->rate; + } else { + audio_info_t info; + ioctl(s->fd, AUDIO_GETINFO, &info); + *latency = (s->frm_played - info.play.samples) / s->rate; + } + DPR("sunaudio_stream_get_position() %lld\n", *p); + } else { + rv = CUBEB_ERROR; + } + pthread_mutex_unlock(&s->mutex); + return rv; +} + +static struct cubeb_ops const sunaudio_ops = { + .init = sunaudio_init, + .get_backend_id = sunaudio_get_backend_id, + .destroy = sunaudio_destroy, + .get_preferred_sample_rate = sunaudio_get_preferred_sample_rate, + .stream_init = sunaudio_stream_init, + .stream_destroy = sunaudio_stream_destroy, + .stream_start = sunaudio_stream_start, + .stream_stop = sunaudio_stream_stop, + .stream_get_position = sunaudio_stream_get_position, + .get_max_channel_count = sunaudio_get_max_channel_count, + .get_min_latency = sunaudio_get_min_latency, + .stream_get_latency = sunaudio_stream_get_latency +}; diff --git a/media/libcubeb/src/moz.build b/media/libcubeb/src/moz.build index 2ca3a2f54..b6d07126a 100644 --- a/media/libcubeb/src/moz.build +++ b/media/libcubeb/src/moz.build @@ -45,6 +45,12 @@ if CONFIG['OS_ARCH'] == 'OpenBSD': ] DEFINES['USE_SNDIO'] = True +if CONFIG['OS_ARCH'] == 'SunOS': + SOURCES += [ + 'cubeb_sun.c', + ] + DEFINES['USE_SUN'] = True + if CONFIG['OS_TARGET'] == 'Darwin': SOURCES += [ 'cubeb_audiounit.cpp', |