diff --git a/media/libsydneyaudio/src/Makefile.in b/media/libsydneyaudio/src/Makefile.in --- a/media/libsydneyaudio/src/Makefile.in +++ b/media/libsydneyaudio/src/Makefile.in @@ -51,7 +51,11 @@ CSRCS = \ $(NULL) endif -ifeq ($(OS_ARCH),Linux) +ifeq ($(OS_TARGET),Android) +CSRCS = \ + sydney_audio_android.c \ + $(NULL) +else ifeq ($(OS_ARCH),Linux) CSRCS = \ sydney_audio_alsa.c \ $(NULL) diff --git a/media/libsydneyaudio/src/sydney_audio_android.c b/media/libsydneyaudio/src/sydney_audio_android.c new file mode 100644 --- /dev/null +++ b/media/libsydneyaudio/src/sydney_audio_android.c @@ -0,0 +1,530 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Initial Developer of the Original Code is + * CSIRO + * Portions created by the Initial Developer are Copyright (C) 2007 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): Michael Martin + * Michael Wu + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** * + */ + +#include +#include +#include +#include "sydney_audio.h" + +#include "android/log.h" + +#ifndef ALOG +#if defined(DEBUG) || defined(FORCE_ALOG) +#define ALOG(args...) __android_log_print(ANDROID_LOG_INFO, "Gecko - SYDNEY_AUDIO" , ## args) +#else +#define ALOG(args...) +#endif +#endif + +/* Android implementation based on sydney_audio_mac.c */ + +#define NANOSECONDS_IN_MILLISECOND 1000000 +#define MILLISECONDS_PER_SECOND 1000 + +/* android.media.AudioTrack */ +struct AudioTrack { + jclass class; + jmethodID constructor; + jmethodID flush; + jmethodID pause; + jmethodID play; + jmethodID setvol; + jmethodID stop; + jmethodID write; + jmethodID getpos; +}; + +enum AudioTrackMode { + MODE_STATIC = 0, + MODE_STREAM = 1 +}; + +/* android.media.AudioManager */ +enum AudioManagerStream { + STREAM_VOICE_CALL = 0, + STREAM_SYSTEM = 1, + STREAM_RING = 2, + STREAM_MUSIC = 3, + STREAM_ALARM = 4, + STREAM_NOTIFICATION = 5, + STREAM_DTMF = 8 +}; + +/* android.media.AudioFormat */ +enum AudioFormatChannel { + CHANNEL_OUT_MONO = 4, + CHANNEL_OUT_STEREO = 12 +}; + +enum AudioFormatEncoding { + ENCODING_PCM_16BIT = 2, + ENCODING_PCM_8BIT = 3 +}; + +struct sa_stream { + jobject output_unit; + + unsigned int rate; + unsigned int channels; + unsigned int isPaused; + + int64_t lastStartTime; + int64_t timePlaying; + int64_t amountWritten; + unsigned int bufferSize; + + jclass at_class; +}; + +static struct AudioTrack at; +extern JNIEnv * GetJNIForThread(); + +static jclass +init_jni_bindings(JNIEnv *jenv) { + jclass class = + (*jenv)->NewGlobalRef(jenv, + (*jenv)->FindClass(jenv, + "android/media/AudioTrack")); + at.constructor = (*jenv)->GetMethodID(jenv, class, "", "(IIIIII)V"); + at.flush = (*jenv)->GetMethodID(jenv, class, "flush", "()V"); + at.pause = (*jenv)->GetMethodID(jenv, class, "pause", "()V"); + at.play = (*jenv)->GetMethodID(jenv, class, "play", "()V"); + at.setvol = (*jenv)->GetMethodID(jenv, class, "setStereoVolume", "(FF)I"); + at.stop = (*jenv)->GetMethodID(jenv, class, "stop", "()V"); + at.write = (*jenv)->GetMethodID(jenv, class, "write", "([BII)I"); + at.getpos = (*jenv)->GetMethodID(jenv, class, "getPlaybackHeadPosition", "()I"); + + return class; +} + +/* + * ----------------------------------------------------------------------------- + * Startup and shutdown functions + * ----------------------------------------------------------------------------- + */ + +int +sa_stream_create_pcm( + sa_stream_t ** _s, + const char * client_name, + sa_mode_t mode, + sa_pcm_format_t format, + unsigned int rate, + unsigned int channels +) { + + /* + * Make sure we return a NULL stream pointer on failure. + */ + if (_s == NULL) { + return SA_ERROR_INVALID; + } + *_s = NULL; + + if (mode != SA_MODE_WRONLY) { + return SA_ERROR_NOT_SUPPORTED; + } + if (format != SA_PCM_FORMAT_S16_NE) { + return SA_ERROR_NOT_SUPPORTED; + } + if (channels != 1 && channels != 2) { + return SA_ERROR_NOT_SUPPORTED; + } + + /* + * Allocate the instance and required resources. + */ + sa_stream_t *s; + if ((s = malloc(sizeof(sa_stream_t))) == NULL) { + return SA_ERROR_OOM; + } + + s->output_unit = NULL; + s->rate = rate; + s->channels = channels; + s->isPaused = 0; + + s->lastStartTime = 0; + s->timePlaying = 0; + s->amountWritten = 0; + + s->bufferSize = rate * channels; + + *_s = s; + return SA_SUCCESS; +} + + +int +sa_stream_open(sa_stream_t *s) { + + if (s == NULL) { + return SA_ERROR_NO_INIT; + } + if (s->output_unit != NULL) { + return SA_ERROR_INVALID; + } + + JNIEnv *jenv = GetJNIForThread(); + if (!jenv) + return SA_ERROR_NO_DEVICE; + + if ((*jenv)->PushLocalFrame(jenv, 4)) { + return SA_ERROR_OOM; + } + + s->at_class = init_jni_bindings(jenv); + + int32_t chanConfig = s->channels == 1 ? + CHANNEL_OUT_MONO : CHANNEL_OUT_STEREO; + + jobject obj = + (*jenv)->NewObject(jenv, s->at_class, at.constructor, + STREAM_MUSIC, + s->rate, + chanConfig, + ENCODING_PCM_16BIT, + s->bufferSize, + MODE_STREAM); + + if (!obj) { + (*jenv)->DeleteGlobalRef(jenv, s->at_class); + (*jenv)->PopLocalFrame(jenv, NULL); + return SA_ERROR_OOM; + } + + s->output_unit = (*jenv)->NewGlobalRef(jenv, obj); + (*jenv)->PopLocalFrame(jenv, NULL); + + ALOG("%x - New stream %d %d", s, s->rate, s->channels); + return SA_SUCCESS; +} + + +int +sa_stream_destroy(sa_stream_t *s) { + + if (s == NULL) { + return SA_ERROR_NO_INIT; + } + + JNIEnv *jenv = GetJNIForThread(); + if (!jenv) + return SA_SUCCESS; + + (*jenv)->DeleteGlobalRef(jenv, s->output_unit); + (*jenv)->DeleteGlobalRef(jenv, s->at_class); + free(s); + + ALOG("%x - Stream destroyed", s); + return SA_SUCCESS; +} + + +/* + * ----------------------------------------------------------------------------- + * Data read and write functions + * ----------------------------------------------------------------------------- + */ + +int +sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes) { + + if (s == NULL || s->output_unit == NULL) { + return SA_ERROR_NO_INIT; + } + if (nbytes == 0) { + return SA_SUCCESS; + } + JNIEnv *jenv = GetJNIForThread(); + if ((*jenv)->PushLocalFrame(jenv, 2)) { + return SA_ERROR_OOM; + } + + jbyteArray bytearray = (*jenv)->NewByteArray(jenv, nbytes); + if (!bytearray) { + (*jenv)->ExceptionClear(jenv); + (*jenv)->PopLocalFrame(jenv, NULL); + return SA_ERROR_OOM; + } + + jbyte *byte = (*jenv)->GetByteArrayElements(jenv, bytearray, NULL); + if (!byte) { + (*jenv)->PopLocalFrame(jenv, NULL); + return SA_ERROR_OOM; + } + + memcpy(byte, data, nbytes); + + size_t wroteSoFar = 0; + jint retval; + + do { + retval = (*jenv)->CallIntMethod(jenv, + s->output_unit, + at.write, + bytearray, + wroteSoFar, + nbytes - wroteSoFar); + if (retval < 0) { + ALOG("%x - Write failed %d", s, retval); + break; + } + + wroteSoFar += retval; + + if (wroteSoFar != nbytes) { + + /* android doesn't start playing until we explictly call play. */ + if (!s->isPaused) + sa_stream_resume(s); + + struct timespec ts = {0, 100000000}; /* .10s */ + nanosleep(&ts, NULL); + } + } while(wroteSoFar < nbytes); + + s->amountWritten += nbytes; + + (*jenv)->ReleaseByteArrayElements(jenv, bytearray, byte, 0); + + (*jenv)->PopLocalFrame(jenv, NULL); + + return retval < 0 ? SA_ERROR_INVALID : SA_SUCCESS; +} + + +/* + * ----------------------------------------------------------------------------- + * General query and support functions + * ----------------------------------------------------------------------------- + */ + +int +sa_stream_get_write_size(sa_stream_t *s, size_t *size) { + + if (s == NULL || s->output_unit == NULL) { + return SA_ERROR_NO_INIT; + } + + /* No android API for this, so estimate based on how much we have played and + * how much we have written. + */ + *size = s->bufferSize - ((s->timePlaying * s->channels * s->rate / + MILLISECONDS_PER_SECOND) - s->amountWritten); + ALOG("%x - Write Size %d", s, *size); + + return SA_SUCCESS; +} + + +int +sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) { + + if (s == NULL || s->output_unit == NULL) { + return SA_ERROR_NO_INIT; + } + + ALOG("%x - get position", s); + + JNIEnv *jenv = GetJNIForThread(); + *pos = (*jenv)->CallIntMethod(jenv, s->output_unit, at.getpos); + + /* android returns number of frames, so: + position = frames * (PCM_16_BIT == 2 bytes) * channels + */ + *pos *= s->channels * sizeof(int16_t); + return SA_SUCCESS; +} + + +int +sa_stream_pause(sa_stream_t *s) { + + if (s == NULL || s->output_unit == NULL) { + return SA_ERROR_NO_INIT; + } + + JNIEnv *jenv = GetJNIForThread(); + s->isPaused = 1; + + /* Update stats */ + if (s->lastStartTime != 0) { + /* if lastStartTime is not zero, so playback has started */ + struct timespec current_time; + clock_gettime(CLOCK_REALTIME, ¤t_time); + int64_t ticker = current_time.tv_sec * 1000 + current_time.tv_nsec / 1000000; + s->timePlaying += ticker - s->lastStartTime; + } + ALOG("%x - Pause total time playing: %lld total written: %lld", s, s->timePlaying, s->amountWritten); + + (*jenv)->CallVoidMethod(jenv, s->output_unit, at.pause); + return SA_SUCCESS; +} + + +int +sa_stream_resume(sa_stream_t *s) { + + if (s == NULL || s->output_unit == NULL) { + return SA_ERROR_NO_INIT; + } + + ALOG("%x - resume", s); + + JNIEnv *jenv = GetJNIForThread(); + s->isPaused = 0; + + /* Update stats */ + struct timespec current_time; + clock_gettime(CLOCK_REALTIME, ¤t_time); + int64_t ticker = current_time.tv_sec * 1000 + current_time.tv_nsec / 1000000; + s->lastStartTime = ticker; + + (*jenv)->CallVoidMethod(jenv, s->output_unit, at.play); + return SA_SUCCESS; +} + + +int +sa_stream_drain(sa_stream_t *s) +{ + if (s == NULL || s->output_unit == NULL) { + return SA_ERROR_NO_INIT; + } + + /* There is no way with the Android SDK to determine exactly how + long to playback. So estimate and sleep for the long. + */ + + size_t available; + sa_stream_get_write_size(s, &available); + + long x = (s->bufferSize - available) * 1000 / s->channels / s->rate / sizeof(int16_t) * NANOSECONDS_IN_MILLISECOND; + ALOG("%x - Drain - sleep for %f ns", s, x); + + struct timespec ts = {0, x}; + nanosleep(&ts, NULL); + + return SA_SUCCESS; +} + + +/* + * ----------------------------------------------------------------------------- + * Extension functions + * ----------------------------------------------------------------------------- + */ + +int +sa_stream_set_volume_abs(sa_stream_t *s, float vol) { + + if (s == NULL || s->output_unit == NULL) { + return SA_ERROR_NO_INIT; + } + + JNIEnv *jenv = GetJNIForThread(); + (*jenv)->CallIntMethod(jenv, s->output_unit, at.setvol, + (jfloat)vol, (jfloat)vol); + + return SA_SUCCESS; +} + +/* + * ----------------------------------------------------------------------------- + * Unsupported functions + * ----------------------------------------------------------------------------- + */ +#define UNSUPPORTED(func) func { return SA_ERROR_NOT_SUPPORTED; } + +UNSUPPORTED(int sa_stream_create_opaque(sa_stream_t **s, const char *client_name, sa_mode_t mode, const char *codec)) +UNSUPPORTED(int sa_stream_set_write_lower_watermark(sa_stream_t *s, size_t size)) +UNSUPPORTED(int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size)) +UNSUPPORTED(int sa_stream_set_write_upper_watermark(sa_stream_t *s, size_t size)) +UNSUPPORTED(int sa_stream_set_read_upper_watermark(sa_stream_t *s, size_t size)) +UNSUPPORTED(int sa_stream_set_channel_map(sa_stream_t *s, const sa_channel_t map[], unsigned int n)) +UNSUPPORTED(int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode)) +UNSUPPORTED(int sa_stream_set_non_interleaved(sa_stream_t *s, int enable)) +UNSUPPORTED(int sa_stream_set_dynamic_rate(sa_stream_t *s, int enable)) +UNSUPPORTED(int sa_stream_set_driver(sa_stream_t *s, const char *driver)) +UNSUPPORTED(int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t callback)) +UNSUPPORTED(int sa_stream_stop_thread(sa_stream_t *s)) +UNSUPPORTED(int sa_stream_change_device(sa_stream_t *s, const char *device_name)) +UNSUPPORTED(int sa_stream_change_read_volume(sa_stream_t *s, const int32_t vol[], unsigned int n)) +UNSUPPORTED(int sa_stream_change_write_volume(sa_stream_t *s, const int32_t vol[], unsigned int n)) +UNSUPPORTED(int sa_stream_change_rate(sa_stream_t *s, unsigned int rate)) +UNSUPPORTED(int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size)) +UNSUPPORTED(int sa_stream_change_user_data(sa_stream_t *s, const void *value)) +UNSUPPORTED(int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction)) +UNSUPPORTED(int sa_stream_set_adjust_nchannels(sa_stream_t *s, sa_adjust_t direction)) +UNSUPPORTED(int sa_stream_set_adjust_pcm_format(sa_stream_t *s, sa_adjust_t direction)) +UNSUPPORTED(int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction)) +UNSUPPORTED(int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode)) +UNSUPPORTED(int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size)) +UNSUPPORTED(int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *format)) +UNSUPPORTED(int sa_stream_get_rate(sa_stream_t *s, unsigned int *rate)) +UNSUPPORTED(int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels)) +UNSUPPORTED(int sa_stream_get_user_data(sa_stream_t *s, void **value)) +UNSUPPORTED(int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size)) +UNSUPPORTED(int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size)) +UNSUPPORTED(int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size)) +UNSUPPORTED(int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size)) +UNSUPPORTED(int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t map[], unsigned int *n)) +UNSUPPORTED(int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode)) +UNSUPPORTED(int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled)) +UNSUPPORTED(int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled)) +UNSUPPORTED(int sa_stream_get_driver(sa_stream_t *s, char *driver_name, size_t *size)) +UNSUPPORTED(int sa_stream_get_device(sa_stream_t *s, char *device_name, size_t *size)) +UNSUPPORTED(int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned int *n)) +UNSUPPORTED(int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned int *n)) +UNSUPPORTED(int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void*data, size_t *size)) +UNSUPPORTED(int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction)) +UNSUPPORTED(int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction)) +UNSUPPORTED(int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction)) +UNSUPPORTED(int sa_stream_get_adjust_watermarks(sa_stream_t *s, sa_adjust_t *direction)) +UNSUPPORTED(int sa_stream_get_state(sa_stream_t *s, sa_state_t *state)) +UNSUPPORTED(int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error)) +UNSUPPORTED(int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify)) +UNSUPPORTED(int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes)) +UNSUPPORTED(int sa_stream_read_ni(sa_stream_t *s, unsigned int channel, void *data, size_t nbytes)) +UNSUPPORTED(int sa_stream_write_ni(sa_stream_t *s, unsigned int channel, const void *data, size_t nbytes)) +UNSUPPORTED(int sa_stream_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence)) +UNSUPPORTED(int sa_stream_pwrite_ni(sa_stream_t *s, unsigned int channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence)) +UNSUPPORTED(int sa_stream_get_read_size(sa_stream_t *s, size_t *size)) +UNSUPPORTED(int sa_stream_get_volume_abs(sa_stream_t *s, float *vol)) + +const char *sa_strerror(int code) { return NULL; } +