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libpulseaudio: further cleanup in the sles sink 

s32le output is also now allowed
This commit is contained in:
Tom Yan 2018-08-16 00:01:04 +08:00 committed by Fredrik Fornwall
parent 6f5cbc2154
commit e1b5587e9c
1 changed files with 47 additions and 69 deletions
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116
packages/libpulseaudio/module-sles-sink.c
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@ -69,15 +69,14 @@ struct userdata {
pa_usec_t block_usec;
pa_memchunk memchunk;
void *buf;
size_t nbytes;
SLObjectItf engineObject;
SLEngineItf engineEngine;
// output mix interfaces
SLObjectItf outputMixObject;
// buffer queue player interfaces
SLObjectItf bqPlayerObject;
SLEngineItf engineEngine;
SLPlayItf bqPlayerPlay;
SLBufferQueueItf bqPlayerBufferQueue;
};
@ -92,7 +91,6 @@ static const char* const valid_modargs[] = {
static void process_render(SLBufferQueueItf bq, void *userdata) {
struct userdata* u = userdata;
void *p;
pa_assert(u);
@ -101,17 +99,9 @@ static void process_render(SLBufferQueueItf bq, void *userdata) {
pa_thread_mq_install(&u->thread_mq);
}
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
pa_sink_render(u->sink, u->sink->thread_info.max_request, &u->memchunk);
p = pa_memblock_acquire_chunk(&u->memchunk);
(*bq)->Enqueue(bq, p, u->memchunk.length);
pa_memblock_release(u->memchunk.memblock);
}
static void process_rewind(pa_sink *s) {
pa_sink_process_rewind(s, 0);
u->memchunk.length = u->nbytes;
pa_sink_render_into(u->sink, &u->memchunk);
(*bq)->Enqueue(bq, u->buf, u->memchunk.length);
}
#define CHK(stmt) { \
@ -122,41 +112,24 @@ static void process_rewind(pa_sink *s) {
} \
}
static int pa_init_sles_player(struct userdata *u, SLint32 sl_rate)
{
if (u == NULL) return -1;
// create engine
static int pa_init_sles_player(struct userdata *u, pa_sample_spec *ss) {
CHK(slCreateEngine(&(u->engineObject), 0, NULL, 0, NULL, NULL));
CHK((*u->engineObject)->Realize(u->engineObject, SL_BOOLEAN_FALSE));
CHK((*u->engineObject)->GetInterface(u->engineObject, SL_IID_ENGINE, &(u->engineEngine)));
// create output mix
CHK((*u->engineEngine)->CreateOutputMix(u->engineEngine, &(u->outputMixObject), 0, NULL, NULL));
CHK((*u->outputMixObject)->Realize(u->outputMixObject, SL_BOOLEAN_FALSE));
// create audio player
SLDataLocator_OutputMix locator_outputmix;
locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
locator_outputmix.outputMix = u->outputMixObject;
SLDataLocator_BufferQueue locator_bufferqueue;
locator_bufferqueue.locatorType = SL_DATALOCATOR_BUFFERQUEUE;
locator_bufferqueue.numBuffers = 8;
if (sl_rate < 8000 || sl_rate > 192000) {
pa_log("Incompatible sample rate");
return -1;
}
SLDataFormat_PCM pcm;
pcm.formatType = SL_DATAFORMAT_PCM;
pcm.numChannels = 2;
pcm.samplesPerSec = sl_rate * 1000;
pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
pcm.containerSize = 16;
pcm.numChannels = ss->channels;
pcm.samplesPerSec = ss->rate * 1000;
pcm.bitsPerSample = pcm.containerSize = pa_sample_size(ss) * 8;
pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
pcm.endianness = SL_BYTEORDER_LITTLEENDIAN;
@ -164,18 +137,23 @@ static int pa_init_sles_player(struct userdata *u, SLint32 sl_rate)
audiosrc.pLocator = &locator_bufferqueue;
audiosrc.pFormat = &pcm;
SLDataLocator_OutputMix locator_outputmix;
locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
locator_outputmix.outputMix = u->outputMixObject;
SLDataSink audiosnk;
audiosnk.pLocator = &locator_outputmix;
audiosnk.pFormat = NULL;
SLInterfaceID ids[1] = {SL_IID_BUFFERQUEUE};
SLboolean flags[1] = {SL_BOOLEAN_TRUE};
CHK((*u->engineEngine)->CreateAudioPlayer(u->engineEngine, &u->bqPlayerObject, &audiosrc, &audiosnk, 1, ids, flags));
CHK((*u->bqPlayerObject)->Realize(u->bqPlayerObject, SL_BOOLEAN_FALSE));
CHK((*u->bqPlayerObject)->GetInterface(u->bqPlayerObject, SL_IID_PLAY, &u->bqPlayerPlay));
CHK((*u->bqPlayerObject)->GetInterface(u->bqPlayerObject, SL_IID_BUFFERQUEUE, &u->bqPlayerBufferQueue));
CHK((*u->bqPlayerObject)->GetInterface(u->bqPlayerObject, SL_IID_BUFFERQUEUE, &u->bqPlayerBufferQueue));
CHK((*u->bqPlayerBufferQueue)->RegisterCallback(u->bqPlayerBufferQueue, process_render, u));
return 0;
@ -186,13 +164,6 @@ fail:
#undef CHK
static void pa_destroy_sles_player(struct userdata *u){
if (u == NULL) return;
(*u->bqPlayerObject)->Destroy(u->bqPlayerObject);
(*u->outputMixObject)->Destroy(u->outputMixObject);
(*u->engineObject)->Destroy(u->engineObject);
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
@ -249,32 +220,20 @@ static int state_func(pa_sink *s, pa_sink_state_t state, pa_suspend_cause_t susp
return r;
}
static void process_rewind(pa_sink *s) {
pa_sink_process_rewind(s, 0);
}
int pa__init(pa_module*m) {
struct userdata *u = NULL;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma = NULL;
pa_sink_new_data data;
size_t nbytes;
uint32_t latency = 0;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
ss = m->core->default_sample_spec;
map = m->core->default_channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification or channel map");
goto fail;
}
ss.channels = 2;
ss.format = PA_SAMPLE_S16LE;
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
@ -282,7 +241,19 @@ int pa__init(pa_module*m) {
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
if (pa_init_sles_player(u, ss.rate) < 0)
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
ss = m->core->default_sample_spec;
pa_channel_map_init_stereo(&map);
ss.format = ss.format > PA_SAMPLE_S16BE ? PA_SAMPLE_S32LE : PA_SAMPLE_S16LE;
pa_modargs_get_sample_rate(ma, &ss.rate);
ss.channels = map.channels;
if (pa_init_sles_player(u, &ss) < 0)
goto fail;
pa_sink_new_data_init(&data);
@ -323,9 +294,9 @@ int pa__init(pa_module*m) {
u->block_usec = BLOCK_USEC;
pa_sink_set_fixed_latency(u->sink, u->block_usec);
nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
pa_sink_set_max_rewind(u->sink, nbytes);
pa_sink_set_max_request(u->sink, nbytes);
u->nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
u->buf = calloc(1, u->nbytes);
u->memchunk.memblock = pa_memblock_new_fixed(m->core->mempool, u->buf, u->nbytes, false);
if (!(u->thread = pa_thread_new("sles-sink", thread_func, u))) {
pa_log("Failed to create thread.");
@ -356,6 +327,8 @@ int pa__get_n_used(pa_module *m) {
return pa_sink_linked_by(u->sink);
}
#define DESTROY(object) if (u->object) (*u->object)->Destroy(u->object);
void pa__done(pa_module*m) {
struct userdata *u;
@ -372,9 +345,12 @@ void pa__done(pa_module*m) {
pa_thread_free(u->thread);
}
if (u->engineObject){
pa_destroy_sles_player(u);
}
DESTROY(bqPlayerObject);
DESTROY(outputMixObject);
DESTROY(engineObject);
pa_memblock_unref_fixed(u->memchunk.memblock);
free(u->buf);
pa_thread_mq_done(&u->thread_mq);
@ -386,3 +362,5 @@ void pa__done(pa_module*m) {
pa_xfree(u);
}
#undef DESTROY