its-pointless
6 years ago
committed by
Leonid Plyushch
Leonid Plyushch
3 changed files with 413 additions and 8 deletions
@ -0,0 +1,398 @@ |
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/***
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This file is part of PulseAudio. |
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Copyright 2008 Lennart Poettering |
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PulseAudio is free software; you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published |
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by the Free Software Foundation; either version 2.1 of the License, |
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or (at your option) any later version. |
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PulseAudio is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public License |
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/ |
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <pulse/rtclock.h> |
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#include <pulse/timeval.h> |
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#include <pulse/xmalloc.h> |
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#include <pulsecore/source.h> |
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#include <pulsecore/module.h> |
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#include <pulsecore/core-util.h> |
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#include <pulsecore/modargs.h> |
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#include <pulsecore/log.h> |
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#include <pulsecore/thread.h> |
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#include <pulsecore/thread-mq.h> |
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#include <pulsecore/rtpoll.h> |
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#include <SLES/OpenSLES.h> |
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#include <SLES/OpenSLES_Android.h> |
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#include <SLES/OpenSLES_AndroidConfiguration.h> |
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PA_MODULE_AUTHOR("Lennart Poettering"); |
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PA_MODULE_DESCRIPTION("Android OpenSL ES source"); |
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PA_MODULE_VERSION(PACKAGE_VERSION); |
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PA_MODULE_LOAD_ONCE(false); |
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PA_MODULE_USAGE( |
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"source_name=<name for the source> " |
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"source_properties=<properties for the source> " |
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"rate=<sample rate> " |
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"channel_map=<channel map>" |
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"latency=<buffer length>" |
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); |
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#define CHK(stmt) { \ |
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SLresult res = stmt; \ |
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if (res != SL_RESULT_SUCCESS) { \ |
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fprintf(stderr, "error %d at %s:%d\n", res, __FILE__, __LINE__); \ |
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goto fail; \ |
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} \ |
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} |
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#define DEFAULT_SOURCE_NAME "OpenSL ES source" |
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#define BLOCK_USEC (PA_USEC_PER_MSEC * 125) |
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enum { |
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SOURCE_MESSAGE_RENDER = PA_SOURCE_MESSAGE_MAX |
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}; |
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struct userdata { |
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pa_core *core; |
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pa_module *module; |
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pa_source *source; |
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pa_sink *sink; |
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pa_thread *thread; |
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pa_thread_mq thread_mq; |
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pa_rtpoll *rtpoll; |
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pa_rtpoll_item *rtpoll_item; |
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pa_memchunk memchunk; |
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pa_usec_t block_usec; /* how much to push at once */ |
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pa_usec_t timestamp; /* when to push next */ |
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SLObjectItf engineObject; |
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SLObjectItf RecorderObject; |
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SLEngineItf EngineItf; |
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SLRecordItf recordItf; |
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SLAndroidSimpleBufferQueueItf recBuffQueueItf; |
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pa_asyncmsgq *sles_msgq; |
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void *buf; |
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size_t nbytes; |
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}; |
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static const char* const valid_modargs[] = { |
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"source_name", |
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"source_properties", |
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"rate", |
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"latency", |
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NULL |
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}; |
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static void thread_func(void *userdata) { |
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struct userdata *u = userdata; |
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pa_assert(u); |
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pa_log_debug("Thread starting up"); |
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pa_thread_mq_install(&u->thread_mq); |
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for (;;) { |
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int ret; |
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if ((ret = pa_rtpoll_run(u->rtpoll)) < 0) |
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goto fail; |
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if (ret == 0) goto finish; |
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} |
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fail: |
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/* If this was no regular exit from the loop we have to continue
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* processing messages until we received PA_MESSAGE_SHUTDOWN */ |
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pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL); |
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pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN); |
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finish: |
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pa_log_debug("Thread shutting down"); |
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} |
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static int state_func(pa_source *s, pa_source_state_t state, pa_suspend_cause_t suspend_cause) { |
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struct userdata *u = s->userdata; |
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if (PA_SOURCE_IS_OPENED(s->state) && |
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(state == PA_SOURCE_SUSPENDED || state == PA_SOURCE_UNLINKED)) |
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(*u->recordItf)->SetRecordState(u->recordItf, SL_RECORDSTATE_STOPPED); |
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else if ((s->state == PA_SOURCE_SUSPENDED || s->state == PA_SOURCE_INIT) && |
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PA_SINK_IS_OPENED(state)) |
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(*u->recordItf)->SetRecordState(u->recordItf, SL_RECORDSTATE_RECORDING); |
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return 0; |
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} |
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static void process_render(void *userdata) { |
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struct userdata* u = userdata; |
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pa_assert(u); |
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(*u->recordItf)->SetRecordState(u->recordItf, SL_RECORDSTATE_RECORDING); |
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if (!PA_SOURCE_IS_LINKED(u->source->thread_info.state)) |
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return; |
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u->memchunk.length = u->nbytes; |
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(*u->recBuffQueueItf)->Enqueue(u->recBuffQueueItf, u->buf, u->memchunk.length); |
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pa_source_post(u->source, &u->memchunk); |
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} |
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static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *memchunk) { |
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switch (code) { |
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case SOURCE_MESSAGE_RENDER: |
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process_render(data); |
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return 0; } |
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return pa_source_process_msg(o, code, data, offset, memchunk); |
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}; |
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static void sles_callback(SLAndroidSimpleBufferQueueItf recBuffQueueItf , void *userdata) { |
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struct userdata* u = userdata; |
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pa_assert(u); |
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pa_assert_se(pa_asyncmsgq_send(u->sles_msgq, PA_MSGOBJECT(u->source), SOURCE_MESSAGE_RENDER, u, 0, NULL) == 0); |
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} |
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static int pa_init_sles_record(struct userdata *u, pa_sample_spec *ss) { |
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pa_assert(u); |
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SLboolean required[2]; |
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SLInterfaceID iidArray[2]; |
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required[0] = SL_BOOLEAN_FALSE; |
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iidArray[0] = SL_IID_ANDROIDSIMPLEBUFFERQUEUE; |
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required[1] = SL_BOOLEAN_FALSE; |
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iidArray[1] = SL_IID_ANDROIDCONFIGURATION; |
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SLAndroidConfigurationItf configItf; |
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SLDataSource recSource; |
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SLDataLocator_IODevice ioDevice = {SL_DATALOCATOR_IODEVICE, |
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SL_IODEVICE_AUDIOINPUT, |
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SL_DEFAULTDEVICEID_AUDIOINPUT, NULL}; |
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SLDataSink recDest; |
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SLDataLocator_AndroidSimpleBufferQueue recBuffQueue; |
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ioDevice.locatorType = SL_DATALOCATOR_IODEVICE; |
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ioDevice.deviceType = SL_IODEVICE_AUDIOINPUT; |
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ioDevice.deviceID = SL_DEFAULTDEVICEID_AUDIOINPUT; |
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ioDevice.device = NULL; |
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recSource.pLocator = (void *) &ioDevice; |
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recBuffQueue.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE; |
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recBuffQueue.numBuffers = 8; |
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SLAndroidDataFormat_PCM_EX pcm; |
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if (ss->format == PA_SAMPLE_FLOAT32LE) { |
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pcm.formatType = SL_ANDROID_DATAFORMAT_PCM_EX; |
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pcm.representation = SL_ANDROID_PCM_REPRESENTATION_FLOAT; |
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} else { |
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pcm.formatType = SL_DATAFORMAT_PCM; |
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} |
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pcm.numChannels = ss->channels; |
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pcm.sampleRate = ss->rate * 1000; |
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pcm.bitsPerSample = pcm.containerSize = pa_sample_size(ss) * 8; |
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pcm.channelMask = SL_SPEAKER_FRONT_LEFT; |
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pcm.endianness = SL_BYTEORDER_LITTLEENDIAN; |
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recDest.pLocator = (void *) &recBuffQueue; |
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recDest.pFormat = (void * ) &pcm; |
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CHK(slCreateEngine( &u->engineObject, 0, NULL, 0, NULL, NULL)); |
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CHK((*u->engineObject)->Realize(u->engineObject, SL_BOOLEAN_FALSE)); |
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CHK((*u->engineObject)->GetInterface(u->engineObject, SL_IID_ENGINE, (void*)&u->EngineItf)); |
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CHK((*u->EngineItf)->CreateAudioRecorder(u->EngineItf, &u->RecorderObject, &recSource, &recDest, |
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2, iidArray, required)); |
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CHK((*u->engineObject)->GetInterface(u->RecorderObject, SL_IID_ANDROIDCONFIGURATION, (void*)&configItf)); |
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SLuint32 presetValue = SL_ANDROID_RECORDING_PRESET_CAMCORDER; |
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CHK((*configItf)->SetConfiguration(configItf, SL_ANDROID_KEY_RECORDING_PRESET, |
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&presetValue, sizeof(SLuint32))); |
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presetValue = SL_ANDROID_RECORDING_PRESET_NONE; |
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SLuint32 presetSize = 2*sizeof(SLuint32); // intentionally too big
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CHK((*configItf)->GetConfiguration(configItf, SL_ANDROID_KEY_RECORDING_PRESET, |
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&presetSize, (void*)&presetValue)); |
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if (presetValue != SL_ANDROID_RECORDING_PRESET_CAMCORDER) { |
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fprintf(stderr, "Error retrieved recording preset\n"); |
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} |
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CHK((*u->engineObject)->Realize(u->RecorderObject, SL_BOOLEAN_FALSE)); |
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CHK((*u->RecorderObject)->GetInterface(u->RecorderObject, SL_IID_RECORD, (void*)&u->recordItf)); |
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CHK((*u->RecorderObject)->GetInterface(u->RecorderObject, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, |
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(void*)&u->recBuffQueueItf)); |
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CHK((*u->recBuffQueueItf)->RegisterCallback(u->recBuffQueueItf, sles_callback, u)); |
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return 0; |
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fail: |
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return -1; |
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} |
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int pa__init(pa_module*m) { |
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struct userdata *u = NULL; |
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pa_modargs *ma; |
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pa_source_new_data data; |
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pa_sample_spec ss; |
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uint32_t latency = 0; |
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pa_assert(m); |
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m->userdata = u = pa_xnew0(struct userdata, 1); |
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if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { |
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pa_log("failed to parse module arguments."); |
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goto fail; |
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} |
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ss = m->core->default_sample_spec; |
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switch (ss.format) { |
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case PA_SAMPLE_S16LE: |
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case PA_SAMPLE_S24LE: |
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case PA_SAMPLE_S32LE: |
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case PA_SAMPLE_FLOAT32LE: |
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break; |
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default: |
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pa_log("Sample format not supported"); |
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goto fail; |
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} |
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ss.channels = 1; |
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if (pa_modargs_get_sample_rate(ma, &ss.rate) < 0) { |
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pa_log("Invalid rate specification"); |
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goto fail; |
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} |
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u->core = m->core; |
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u->module = m; |
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u->rtpoll = pa_rtpoll_new(); |
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if (pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll) < 0) { |
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pa_log("pa_thread_mq_init() failed."); |
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goto fail; |
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} |
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u->sles_msgq = pa_asyncmsgq_new(0); |
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if (!u->sles_msgq) { |
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pa_log("pa_asyncmsgq_new() failed."); |
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goto fail; |
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} |
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u->rtpoll_item = pa_rtpoll_item_new_asyncmsgq_read(u->rtpoll, PA_RTPOLL_EARLY-1, u->sles_msgq); |
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pa_source_new_data_init(&data); |
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data.driver = __FILE__; |
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data.module = m; |
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pa_source_new_data_set_name(&data, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME)); |
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pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, _("OpenSL ES Input")); |
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pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract"); |
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pa_source_new_data_set_sample_spec(&data, &ss); |
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if (pa_modargs_get_proplist(ma, "source_properties", data.proplist, PA_UPDATE_REPLACE) < 0) { |
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pa_log("Invalid properties"); |
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pa_source_new_data_done(&data); |
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goto fail; |
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} |
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u->source = pa_source_new(m->core, &data, PA_SOURCE_LATENCY); |
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pa_source_new_data_done(&data); |
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if (!u->source) { |
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pa_log("Failed to create source."); |
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goto fail; |
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} |
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u->source->parent.process_msg = source_process_msg; |
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u->source->set_state_in_main_thread = state_func; |
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u->source->userdata = u; |
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u->block_usec = BLOCK_USEC; |
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pa_source_set_asyncmsgq(u->source, u->thread_mq.inq); |
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pa_source_set_rtpoll(u->source, u->rtpoll); |
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pa_modargs_get_value_u32(ma, "latency", &latency); |
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if (latency) |
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u->block_usec = latency * PA_USEC_PER_MSEC; |
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else |
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u->block_usec = BLOCK_USEC; |
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pa_source_set_fixed_latency(u->source, u->block_usec); |
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u->nbytes = pa_usec_to_bytes(u->block_usec, &u->source->sample_spec); |
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u->buf = calloc(8, u->nbytes); |
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u->memchunk.memblock = pa_memblock_new_fixed(m->core->mempool, u->buf, u->nbytes, false); |
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if (pa_init_sles_record(u, &ss) < 0) |
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goto fail; |
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if (!(u->thread = pa_thread_new("sles_source", thread_func, u))) { |
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pa_log("Failed to create thread."); |
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goto fail; |
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} |
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pa_source_put(u->source); |
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sles_callback(u->recBuffQueueItf, u); |
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pa_modargs_free(ma); |
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return 0; |
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fail: |
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if (ma) |
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pa_modargs_free(ma); |
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pa__done(m); |
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return -1; |
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} |
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#undef CHK |
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int pa__get_n_used(pa_module *m) { |
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struct userdata *u; |
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pa_assert(m); |
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pa_assert_se(u = m->userdata); |
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return pa_source_linked_by(u->source); |
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} |
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#define DESTROY(object) if (u->object) (*u->object)->Destroy(u->object); |
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void pa__done(pa_module*m) { |
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struct userdata *u; |
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pa_assert(m); |
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if (!(u = m->userdata)) |
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return; |
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if (u->source) |
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pa_source_unlink(u->source); |
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DESTROY(RecorderObject); |
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DESTROY(engineObject); |
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if (u->thread) { |
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pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL); |
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pa_thread_free(u->thread); |
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} |
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pa_thread_mq_done(&u->thread_mq); |
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if (u->source) |
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pa_source_unref(u->source); |
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if (u->memchunk.memblock) |
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pa_memblock_unref(u->memchunk.memblock); |
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if (u->rtpoll) |
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pa_rtpoll_free(u->rtpoll); |
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pa_xfree(u); |
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} |
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