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-rw-r--r--media/libcubeb/src/cubeb_opensl.c1562
1 files changed, 1179 insertions, 383 deletions
diff --git a/media/libcubeb/src/cubeb_opensl.c b/media/libcubeb/src/cubeb_opensl.c
index dd5416228..96374ec07 100644
--- a/media/libcubeb/src/cubeb_opensl.c
+++ b/media/libcubeb/src/cubeb_opensl.c
@@ -9,6 +9,7 @@
#include <dlfcn.h>
#include <stdlib.h>
#include <pthread.h>
+#include <errno.h>
#include <SLES/OpenSLES.h>
#include <math.h>
#include <time.h>
@@ -19,82 +20,236 @@
#include <SLES/OpenSLES_Android.h>
#include <android/log.h>
#include <android/api-level.h>
-#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "Cubeb_OpenSL" , ## args)
-#define ANDROID_VERSION_GINGERBREAD_MR1 10
-#define ANDROID_VERSION_LOLLIPOP 21
-#define ANDROID_VERSION_MARSHMALLOW 23
#endif
#include "cubeb/cubeb.h"
#include "cubeb-internal.h"
#include "cubeb_resampler.h"
#include "cubeb-sles.h"
+#include "cubeb_array_queue.h"
+#include "android/cubeb-output-latency.h"
+
+#if defined(__ANDROID__)
+#ifdef LOG
+#undef LOG
+#endif
+//#define LOGGING_ENABLED
+#ifdef LOGGING_ENABLED
+#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "Cubeb_OpenSL" , ## args)
+#else
+#define LOG(...)
+#endif
+
+//#define TIMESTAMP_ENABLED
+#ifdef TIMESTAMP_ENABLED
+#define FILENAME (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
+#define LOG_TS(args...) __android_log_print(ANDROID_LOG_INFO, "Cubeb_OpenSL ES: Timestamp(usec)" , ## args)
+#define TIMESTAMP(msg) do { \
+ struct timeval timestamp; \
+ int ts_ret = gettimeofday(&timestamp, NULL); \
+ if (ts_ret == 0) { \
+ LOG_TS("%lld: %s (%s %s:%d)", timestamp.tv_sec * 1000000LL + timestamp.tv_usec, msg, __FUNCTION__, FILENAME, __LINE__);\
+ } else { \
+ LOG_TS("Error: %s (%s %s:%d) - %s", msg, __FUNCTION__, FILENAME, __LINE__);\
+ } \
+} while(0)
+#else
+#define TIMESTAMP(...)
+#endif
+
+#define ANDROID_VERSION_GINGERBREAD_MR1 10
+#define ANDROID_VERSION_JELLY_BEAN 18
+#define ANDROID_VERSION_LOLLIPOP 21
+#define ANDROID_VERSION_MARSHMALLOW 23
+#define ANDROID_VERSION_N_MR1 25
+#endif
+
+#define DEFAULT_SAMPLE_RATE 48000
+#define DEFAULT_NUM_OF_FRAMES 480
+// If the latency requested is above this threshold, this stream is considered
+// intended for playback (vs. real-time). Tell Android it should favor saving
+// power over performance or latency.
+// This is around 100ms at 44100 or 48000
+#define POWERSAVE_LATENCY_FRAMES_THRESHOLD 4000
static struct cubeb_ops const opensl_ops;
struct cubeb {
struct cubeb_ops const * ops;
void * lib;
- void * libmedia;
- int32_t (* get_output_latency)(uint32_t * latency, int stream_type);
SLInterfaceID SL_IID_BUFFERQUEUE;
SLInterfaceID SL_IID_PLAY;
#if defined(__ANDROID__)
SLInterfaceID SL_IID_ANDROIDCONFIGURATION;
+ SLInterfaceID SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
#endif
SLInterfaceID SL_IID_VOLUME;
+ SLInterfaceID SL_IID_RECORD;
SLObjectItf engObj;
SLEngineItf eng;
SLObjectItf outmixObj;
+ output_latency_function * p_output_latency_function;
};
#define NELEMS(A) (sizeof(A) / sizeof A[0])
-#define NBUFS 4
-#define AUDIO_STREAM_TYPE_MUSIC 3
+#define NBUFS 2
struct cubeb_stream {
+ /* Note: Must match cubeb_stream layout in cubeb.c. */
cubeb * context;
+ void * user_ptr;
+ /**/
pthread_mutex_t mutex;
SLObjectItf playerObj;
SLPlayItf play;
SLBufferQueueItf bufq;
SLVolumeItf volume;
- uint8_t *queuebuf[NBUFS];
+ void ** queuebuf;
+ uint32_t queuebuf_capacity;
int queuebuf_idx;
long queuebuf_len;
long bytespersec;
long framesize;
+ /* Total number of played frames.
+ * Synchronized by stream::mutex lock. */
long written;
+ /* Flag indicating draining. Synchronized
+ * by stream::mutex lock. */
int draining;
- cubeb_stream_type stream_type;
-
+ /* Flags to determine in/out.*/
+ uint32_t input_enabled;
+ uint32_t output_enabled;
+ /* Recorder abstract object. */
+ SLObjectItf recorderObj;
+ /* Recorder Itf for input capture. */
+ SLRecordItf recorderItf;
+ /* Buffer queue for input capture. */
+ SLAndroidSimpleBufferQueueItf recorderBufferQueueItf;
+ /* Store input buffers. */
+ void ** input_buffer_array;
+ /* The capacity of the array.
+ * On capture only can be small (4).
+ * On full duplex is calculated to
+ * store 1 sec of data buffers. */
+ uint32_t input_array_capacity;
+ /* Current filled index of input buffer array.
+ * It is initiated to -1 indicating buffering
+ * have not started yet. */
+ int input_buffer_index;
+ /* Length of input buffer.*/
+ uint32_t input_buffer_length;
+ /* Input frame size */
+ uint32_t input_frame_size;
+ /* Device sampling rate. If user rate is not
+ * accepted an compatible rate is set. If it is
+ * accepted this is equal to params.rate. */
+ uint32_t input_device_rate;
+ /* Exchange input buffers between input
+ * and full duplex threads. */
+ array_queue * input_queue;
+ /* Silent input buffer used on full duplex. */
+ void * input_silent_buffer;
+ /* Number of input frames from the start of the stream*/
+ uint32_t input_total_frames;
+ /* Flag to stop the execution of user callback and
+ * close all working threads. Synchronized by
+ * stream::mutex lock. */
+ uint32_t shutdown;
+ /* Store user callback. */
cubeb_data_callback data_callback;
+ /* Store state callback. */
cubeb_state_callback state_callback;
- void * user_ptr;
cubeb_resampler * resampler;
- unsigned int inputrate;
- unsigned int outputrate;
- unsigned int latency;
+ unsigned int user_output_rate;
+ unsigned int output_configured_rate;
+ unsigned int buffer_size_frames;
+ // Audio output latency used in cubeb_stream_get_position().
+ unsigned int output_latency_ms;
int64_t lastPosition;
int64_t lastPositionTimeStamp;
int64_t lastCompensativePosition;
+ int voice;
};
+/* Forward declaration. */
+static int opensl_stop_player(cubeb_stream * stm);
+static int opensl_stop_recorder(cubeb_stream * stm);
+
+static int
+opensl_get_draining(cubeb_stream * stm)
+{
+#ifdef DEBUG
+ int r = pthread_mutex_trylock(&stm->mutex);
+ assert((r == EDEADLK || r == EBUSY) && "get_draining: mutex should be locked but it's not.");
+#endif
+ return stm->draining;
+}
+
+static void
+opensl_set_draining(cubeb_stream * stm, int value)
+{
+#ifdef DEBUG
+ int r = pthread_mutex_trylock(&stm->mutex);
+ LOG("set draining try r = %d", r);
+ assert((r == EDEADLK || r == EBUSY) && "set_draining: mutex should be locked but it's not.");
+#endif
+ assert(value == 0 || value == 1);
+ stm->draining = value;
+}
+
+static void
+opensl_notify_drained(cubeb_stream * stm)
+{
+ assert(stm);
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ int draining = opensl_get_draining(stm);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+ if (draining) {
+ stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_DRAINED);
+ if (stm->play) {
+ LOG("stop player in play_callback");
+ r = opensl_stop_player(stm);
+ assert(r == CUBEB_OK);
+ }
+ if (stm->recorderItf) {
+ r = opensl_stop_recorder(stm);
+ assert(r == CUBEB_OK);
+ }
+ }
+}
+
+static uint32_t
+opensl_get_shutdown(cubeb_stream * stm)
+{
+#ifdef DEBUG
+ int r = pthread_mutex_trylock(&stm->mutex);
+ assert((r == EDEADLK || r == EBUSY) && "get_shutdown: mutex should be locked but it's not.");
+#endif
+ return stm->shutdown;
+}
+
+static void
+opensl_set_shutdown(cubeb_stream * stm, uint32_t value)
+{
+#ifdef DEBUG
+ int r = pthread_mutex_trylock(&stm->mutex);
+ LOG("set shutdown try r = %d", r);
+ assert((r == EDEADLK || r == EBUSY) && "set_shutdown: mutex should be locked but it's not.");
+#endif
+ assert(value == 0 || value == 1);
+ stm->shutdown = value;
+}
+
static void
play_callback(SLPlayItf caller, void * user_ptr, SLuint32 event)
{
cubeb_stream * stm = user_ptr;
- int draining;
assert(stm);
switch (event) {
- case SL_PLAYEVENT_HEADATMARKER:
- pthread_mutex_lock(&stm->mutex);
- draining = stm->draining;
- pthread_mutex_unlock(&stm->mutex);
- if (draining) {
- stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_DRAINED);
- (*stm->play)->SetPlayState(stm->play, SL_PLAYSTATE_PAUSED);
- }
+ case SL_PLAYEVENT_HEADATMARKER:
+ opensl_notify_drained(stm);
break;
default:
break;
@@ -102,96 +257,365 @@ play_callback(SLPlayItf caller, void * user_ptr, SLuint32 event)
}
static void
+recorder_marker_callback (SLRecordItf caller, void * pContext, SLuint32 event)
+{
+ cubeb_stream * stm = pContext;
+ assert(stm);
+
+ if (event == SL_RECORDEVENT_HEADATMARKER) {
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ int draining = opensl_get_draining(stm);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+ if (draining) {
+ stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_DRAINED);
+ if (stm->recorderItf) {
+ r = opensl_stop_recorder(stm);
+ assert(r == CUBEB_OK);
+ }
+ if (stm->play) {
+ r = opensl_stop_player(stm);
+ assert(r == CUBEB_OK);
+ }
+ }
+ }
+}
+
+static void
bufferqueue_callback(SLBufferQueueItf caller, void * user_ptr)
{
cubeb_stream * stm = user_ptr;
assert(stm);
SLBufferQueueState state;
SLresult res;
+ long written = 0;
res = (*stm->bufq)->GetState(stm->bufq, &state);
assert(res == SL_RESULT_SUCCESS);
- if (state.count > 1)
+ if (state.count > 1) {
return;
+ }
- SLuint32 i;
- for (i = state.count; i < NBUFS; i++) {
- uint8_t *buf = stm->queuebuf[stm->queuebuf_idx];
- long written = 0;
- pthread_mutex_lock(&stm->mutex);
- int draining = stm->draining;
- pthread_mutex_unlock(&stm->mutex);
-
- if (!draining) {
- written = cubeb_resampler_fill(stm->resampler,
- NULL, NULL,
- buf, stm->queuebuf_len / stm->framesize);
- if (written < 0 || written * stm->framesize > stm->queuebuf_len) {
- (*stm->play)->SetPlayState(stm->play, SL_PLAYSTATE_PAUSED);
- return;
- }
+ uint8_t *buf = stm->queuebuf[stm->queuebuf_idx];
+ written = 0;
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ int draining = opensl_get_draining(stm);
+ uint32_t shutdown = opensl_get_shutdown(stm);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+ if (!draining && !shutdown) {
+ written = cubeb_resampler_fill(stm->resampler,
+ NULL, NULL,
+ buf, stm->queuebuf_len / stm->framesize);
+ LOG("bufferqueue_callback: resampler fill returned %ld frames", written);
+ if (written < 0 || written * stm->framesize > stm->queuebuf_len) {
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ opensl_set_shutdown(stm, 1);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+ opensl_stop_player(stm);
+ stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_ERROR);
+ return;
}
+ }
- // Keep sending silent data even in draining mode to prevent the audio
- // back-end from being stopped automatically by OpenSL/ES.
- memset(buf + written * stm->framesize, 0, stm->queuebuf_len - written * stm->framesize);
- res = (*stm->bufq)->Enqueue(stm->bufq, buf, stm->queuebuf_len);
- assert(res == SL_RESULT_SUCCESS);
- stm->queuebuf_idx = (stm->queuebuf_idx + 1) % NBUFS;
- if (written > 0) {
- pthread_mutex_lock(&stm->mutex);
- stm->written += written;
- pthread_mutex_unlock(&stm->mutex);
- }
+ // Keep sending silent data even in draining mode to prevent the audio
+ // back-end from being stopped automatically by OpenSL/ES.
+ assert(stm->queuebuf_len >= written * stm->framesize);
+ memset(buf + written * stm->framesize, 0, stm->queuebuf_len - written * stm->framesize);
+ res = (*stm->bufq)->Enqueue(stm->bufq, buf, stm->queuebuf_len);
+ assert(res == SL_RESULT_SUCCESS);
+ stm->queuebuf_idx = (stm->queuebuf_idx + 1) % stm->queuebuf_capacity;
- if (!draining && written * stm->framesize < stm->queuebuf_len) {
- pthread_mutex_lock(&stm->mutex);
- int64_t written_duration = INT64_C(1000) * stm->written * stm->framesize / stm->bytespersec;
- stm->draining = 1;
- pthread_mutex_unlock(&stm->mutex);
+ if (written > 0) {
+ pthread_mutex_lock(&stm->mutex);
+ stm->written += written;
+ pthread_mutex_unlock(&stm->mutex);
+ }
+
+ if (!draining && written * stm->framesize < stm->queuebuf_len) {
+ LOG("bufferqueue_callback draining");
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ int64_t written_duration = INT64_C(1000) * stm->written * stm->framesize / stm->bytespersec;
+ opensl_set_draining(stm, 1);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ if (written_duration == 0) {
+ // since we didn't write any sample, it's not possible to reach the marker
+ // time and trigger the callback. We should initiative notify drained.
+ opensl_notify_drained(stm);
+ } else {
// Use SL_PLAYEVENT_HEADATMARKER event from slPlayCallback of SLPlayItf
// to make sure all the data has been processed.
(*stm->play)->SetMarkerPosition(stm->play, (SLmillisecond)written_duration);
- return;
}
+ return;
}
}
-#if defined(__ANDROID__)
-static SLuint32
-convert_stream_type_to_sl_stream(cubeb_stream_type stream_type)
-{
- switch(stream_type) {
- case CUBEB_STREAM_TYPE_SYSTEM:
- return SL_ANDROID_STREAM_SYSTEM;
- case CUBEB_STREAM_TYPE_MUSIC:
- return SL_ANDROID_STREAM_MEDIA;
- case CUBEB_STREAM_TYPE_NOTIFICATION:
- return SL_ANDROID_STREAM_NOTIFICATION;
- case CUBEB_STREAM_TYPE_ALARM:
- return SL_ANDROID_STREAM_ALARM;
- case CUBEB_STREAM_TYPE_VOICE_CALL:
- return SL_ANDROID_STREAM_VOICE;
- case CUBEB_STREAM_TYPE_RING:
- return SL_ANDROID_STREAM_RING;
- case CUBEB_STREAM_TYPE_SYSTEM_ENFORCED:
- return SL_ANDROID_STREAM_SYSTEM_ENFORCED;
- default:
- return 0xFFFFFFFF;
+static int
+opensl_enqueue_recorder(cubeb_stream * stm, void ** last_filled_buffer)
+{
+ assert(stm);
+
+ int current_index = stm->input_buffer_index;
+ void * last_buffer = NULL;
+
+ if (current_index < 0) {
+ // This is the first enqueue
+ current_index = 0;
+ } else {
+ // The current index hold the last filled buffer get it before advance index.
+ last_buffer = stm->input_buffer_array[current_index];
+ // Advance to get next available buffer
+ current_index = (current_index + 1) % stm->input_array_capacity;
+ }
+ // enqueue next empty buffer to be filled by the recorder
+ SLresult res = (*stm->recorderBufferQueueItf)->Enqueue(stm->recorderBufferQueueItf,
+ stm->input_buffer_array[current_index],
+ stm->input_buffer_length);
+ if (res != SL_RESULT_SUCCESS ) {
+ LOG("Enqueue recorder failed. Error code: %lu", res);
+ return CUBEB_ERROR;
}
+ // All good, update buffer and index.
+ stm->input_buffer_index = current_index;
+ if (last_filled_buffer) {
+ *last_filled_buffer = last_buffer;
+ }
+ return CUBEB_OK;
+}
+
+// input data callback
+void recorder_callback(SLAndroidSimpleBufferQueueItf bq, void * context)
+{
+ assert(context);
+ cubeb_stream * stm = context;
+ assert(stm->recorderBufferQueueItf);
+
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ uint32_t shutdown = opensl_get_shutdown(stm);
+ int draining = opensl_get_draining(stm);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ if (shutdown || draining) {
+ // According to the OpenSL ES 1.1 Specification, 8.14 SLBufferQueueItf
+ // page 184, on transition to the SL_RECORDSTATE_STOPPED state,
+ // the application should continue to enqueue buffers onto the queue
+ // to retrieve the residual recorded data in the system.
+ r = opensl_enqueue_recorder(stm, NULL);
+ assert(r == CUBEB_OK);
+ return;
+ }
+
+ // Enqueue next available buffer and get the last filled buffer.
+ void * input_buffer = NULL;
+ r = opensl_enqueue_recorder(stm, &input_buffer);
+ assert(r == CUBEB_OK);
+ assert(input_buffer);
+ // Fill resampler with last input
+ long input_frame_count = stm->input_buffer_length / stm->input_frame_size;
+ long got = cubeb_resampler_fill(stm->resampler,
+ input_buffer,
+ &input_frame_count,
+ NULL,
+ 0);
+ // Error case
+ if (got < 0 || got > input_frame_count) {
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ opensl_set_shutdown(stm, 1);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+ r = opensl_stop_recorder(stm);
+ assert(r == CUBEB_OK);
+ stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_ERROR);
+ }
+
+ // Advance total stream frames
+ stm->input_total_frames += got;
+
+ if (got < input_frame_count) {
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ opensl_set_draining(stm, 1);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+ int64_t duration = INT64_C(1000) * stm->input_total_frames / stm->input_device_rate;
+ (*stm->recorderItf)->SetMarkerPosition(stm->recorderItf, (SLmillisecond)duration);
+ return;
+ }
+}
+
+void recorder_fullduplex_callback(SLAndroidSimpleBufferQueueItf bq, void * context)
+{
+ assert(context);
+ cubeb_stream * stm = context;
+ assert(stm->recorderBufferQueueItf);
+
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ int draining = opensl_get_draining(stm);
+ uint32_t shutdown = opensl_get_shutdown(stm);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ if (shutdown || draining) {
+ /* On draining and shutdown the recorder should have been stoped from
+ * the one set the flags. Accordint to the doc, on transition to
+ * the SL_RECORDSTATE_STOPPED state, the application should
+ * continue to enqueue buffers onto the queue to retrieve the residual
+ * recorded data in the system. */
+ LOG("Input shutdown %d or drain %d", shutdown, draining);
+ int r = opensl_enqueue_recorder(stm, NULL);
+ assert(r == CUBEB_OK);
+ return;
+ }
+
+ // Enqueue next available buffer and get the last filled buffer.
+ void * input_buffer = NULL;
+ r = opensl_enqueue_recorder(stm, &input_buffer);
+ assert(r == CUBEB_OK);
+ assert(input_buffer);
+
+ assert(stm->input_queue);
+ r = array_queue_push(stm->input_queue, input_buffer);
+ if (r == -1) {
+ LOG("Input queue is full, drop input ...");
+ return;
+ }
+
+ LOG("Input pushed in the queue, input array %zu",
+ array_queue_get_size(stm->input_queue));
+}
+
+static void
+player_fullduplex_callback(SLBufferQueueItf caller, void * user_ptr)
+{
+ TIMESTAMP("ENTER");
+ cubeb_stream * stm = user_ptr;
+ assert(stm);
+ SLresult res;
+
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ int draining = opensl_get_draining(stm);
+ uint32_t shutdown = opensl_get_shutdown(stm);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ // Get output
+ void * output_buffer = NULL;
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ output_buffer = stm->queuebuf[stm->queuebuf_idx];
+ // Advance the output buffer queue index
+ stm->queuebuf_idx = (stm->queuebuf_idx + 1) % stm->queuebuf_capacity;
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ if (shutdown || draining) {
+ LOG("Shutdown/draining, send silent");
+ // Set silent on buffer
+ memset(output_buffer, 0, stm->queuebuf_len);
+
+ // Enqueue data in player buffer queue
+ res = (*stm->bufq)->Enqueue(stm->bufq,
+ output_buffer,
+ stm->queuebuf_len);
+ assert(res == SL_RESULT_SUCCESS);
+ return;
+ }
+
+ // Get input.
+ void * input_buffer = array_queue_pop(stm->input_queue);
+ long input_frame_count = stm->input_buffer_length / stm->input_frame_size;
+ long frames_needed = stm->queuebuf_len / stm->framesize;
+ if (!input_buffer) {
+ LOG("Input hole set silent input buffer");
+ input_buffer = stm->input_silent_buffer;
+ }
+
+ long written = 0;
+ // Trigger user callback through resampler
+ written = cubeb_resampler_fill(stm->resampler,
+ input_buffer,
+ &input_frame_count,
+ output_buffer,
+ frames_needed);
+
+ LOG("Fill: written %ld, frames_needed %ld, input array size %zu",
+ written, frames_needed, array_queue_get_size(stm->input_queue));
+
+ if (written < 0 || written > frames_needed) {
+ // Error case
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ opensl_set_shutdown(stm, 1);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+ opensl_stop_player(stm);
+ opensl_stop_recorder(stm);
+ stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_ERROR);
+ memset(output_buffer, 0, stm->queuebuf_len);
+
+ // Enqueue data in player buffer queue
+ res = (*stm->bufq)->Enqueue(stm->bufq,
+ output_buffer,
+ stm->queuebuf_len);
+ assert(res == SL_RESULT_SUCCESS);
+ return;
+ }
+
+ // Advance total out written frames counter
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ stm->written += written;
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ if ( written < frames_needed) {
+ r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ int64_t written_duration = INT64_C(1000) * stm->written * stm->framesize / stm->bytespersec;
+ opensl_set_draining(stm, 1);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ // Use SL_PLAYEVENT_HEADATMARKER event from slPlayCallback of SLPlayItf
+ // to make sure all the data has been processed.
+ (*stm->play)->SetMarkerPosition(stm->play, (SLmillisecond)written_duration);
+ }
+
+ // Keep sending silent data even in draining mode to prevent the audio
+ // back-end from being stopped automatically by OpenSL/ES.
+ memset((uint8_t *)output_buffer + written * stm->framesize, 0,
+ stm->queuebuf_len - written * stm->framesize);
+
+ // Enqueue data in player buffer queue
+ res = (*stm->bufq)->Enqueue(stm->bufq,
+ output_buffer,
+ stm->queuebuf_len);
+ assert(res == SL_RESULT_SUCCESS);
+ TIMESTAMP("EXIT");
}
-#endif
static void opensl_destroy(cubeb * ctx);
#if defined(__ANDROID__)
-
#if (__ANDROID_API__ >= ANDROID_VERSION_LOLLIPOP)
typedef int (system_property_get)(const char*, char*);
static int
-__system_property_get(const char* name, char* value)
+wrap_system_property_get(const char* name, char* value)
{
void* libc = dlopen("libc.so", RTLD_LAZY);
if (!libc) {
@@ -216,14 +640,18 @@ get_android_version(void)
memset(version_string, 0, PROP_VALUE_MAX);
+#if (__ANDROID_API__ >= ANDROID_VERSION_LOLLIPOP)
+ int len = wrap_system_property_get("ro.build.version.sdk", version_string);
+#else
int len = __system_property_get("ro.build.version.sdk", version_string);
+#endif
if (len <= 0) {
LOG("Failed to get Android version!\n");
return len;
}
int version = (int)strtol(version_string, NULL, 10);
- LOG("%d", version);
+ LOG("Android version %d", version);
return version;
}
#endif
@@ -249,30 +677,11 @@ opensl_init(cubeb ** context, char const * context_name)
ctx->ops = &opensl_ops;
ctx->lib = dlopen("libOpenSLES.so", RTLD_LAZY);
- ctx->libmedia = dlopen("libmedia.so", RTLD_LAZY);
- if (!ctx->lib || !ctx->libmedia) {
+ if (!ctx->lib) {
free(ctx);
return CUBEB_ERROR;
}
- /* Get the latency, in ms, from AudioFlinger */
- /* status_t AudioSystem::getOutputLatency(uint32_t* latency,
- * audio_stream_type_t streamType) */
- /* First, try the most recent signature. */
- ctx->get_output_latency =
- dlsym(ctx->libmedia, "_ZN7android11AudioSystem16getOutputLatencyEPj19audio_stream_type_t");
- if (!ctx->get_output_latency) {
- /* in case of failure, try the legacy version. */
- /* status_t AudioSystem::getOutputLatency(uint32_t* latency,
- * int streamType) */
- ctx->get_output_latency =
- dlsym(ctx->libmedia, "_ZN7android11AudioSystem16getOutputLatencyEPji");
- if (!ctx->get_output_latency) {
- opensl_destroy(ctx);
- return CUBEB_ERROR;
- }
- }
-
typedef SLresult (*slCreateEngine_t)(SLObjectItf *,
SLuint32,
const SLEngineOption *,
@@ -287,16 +696,21 @@ opensl_init(cubeb ** context, char const * context_name)
ctx->SL_IID_BUFFERQUEUE = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_BUFFERQUEUE");
#if defined(__ANDROID__)
ctx->SL_IID_ANDROIDCONFIGURATION = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_ANDROIDCONFIGURATION");
+ ctx->SL_IID_ANDROIDSIMPLEBUFFERQUEUE = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_ANDROIDSIMPLEBUFFERQUEUE");
#endif
ctx->SL_IID_PLAY = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_PLAY");
+ ctx->SL_IID_RECORD = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_RECORD");
+
if (!f_slCreateEngine ||
!SL_IID_ENGINE ||
!SL_IID_OUTPUTMIX ||
!ctx->SL_IID_BUFFERQUEUE ||
#if defined(__ANDROID__)
!ctx->SL_IID_ANDROIDCONFIGURATION ||
+ !ctx->SL_IID_ANDROIDSIMPLEBUFFERQUEUE ||
#endif
- !ctx->SL_IID_PLAY) {
+ !ctx->SL_IID_PLAY ||
+ !ctx->SL_IID_RECORD) {
opensl_destroy(ctx);
return CUBEB_ERROR;
}
@@ -337,8 +751,14 @@ opensl_init(cubeb ** context, char const * context_name)
return CUBEB_ERROR;
}
+ ctx->p_output_latency_function = cubeb_output_latency_load_method(android_version);
+ if (!ctx->p_output_latency_function) {
+ LOG("Warning: output latency is not available, cubeb_stream_get_position() is not supported");
+ }
+
*context = ctx;
+ LOG("Cubeb init (%p) success", ctx);
return CUBEB_OK;
}
@@ -359,200 +779,257 @@ opensl_get_max_channel_count(cubeb * ctx, uint32_t * max_channels)
return CUBEB_OK;
}
-static int
-opensl_get_preferred_sample_rate(cubeb * ctx, uint32_t * rate)
-{
- /* https://android.googlesource.com/platform/ndk.git/+/master/docs/opensles/index.html
- * We don't want to deal with JNI here (and we don't have Java on b2g anyways),
- * so we just dlopen the library and get the two symbols we need. */
- int r;
- void * libmedia;
- uint32_t (*get_primary_output_samplingrate)();
- uint32_t (*get_output_samplingrate)(int * samplingRate, int streamType);
-
- libmedia = dlopen("libmedia.so", RTLD_LAZY);
- if (!libmedia) {
- return CUBEB_ERROR;
- }
-
- /* uint32_t AudioSystem::getPrimaryOutputSamplingRate(void) */
- get_primary_output_samplingrate =
- dlsym(libmedia, "_ZN7android11AudioSystem28getPrimaryOutputSamplingRateEv");
- if (!get_primary_output_samplingrate) {
- /* fallback to
- * status_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType)
- * if we cannot find getPrimaryOutputSamplingRate. */
- get_output_samplingrate =
- dlsym(libmedia, "_ZN7android11AudioSystem21getOutputSamplingRateEPj19audio_stream_type_t");
- if (!get_output_samplingrate) {
- /* Another signature exists, with a int instead of an audio_stream_type_t */
- get_output_samplingrate =
- dlsym(libmedia, "_ZN7android11AudioSystem21getOutputSamplingRateEPii");
- if (!get_output_samplingrate) {
- dlclose(libmedia);
- return CUBEB_ERROR;
- }
- }
- }
+static void
+opensl_destroy(cubeb * ctx)
+{
+ if (ctx->outmixObj)
+ (*ctx->outmixObj)->Destroy(ctx->outmixObj);
+ if (ctx->engObj)
+ cubeb_destroy_sles_engine(&ctx->engObj);
+ dlclose(ctx->lib);
+ if (ctx->p_output_latency_function)
+ cubeb_output_latency_unload_method(ctx->p_output_latency_function);
+ free(ctx);
+}
- if (get_primary_output_samplingrate) {
- *rate = get_primary_output_samplingrate();
- } else {
- /* We don't really know about the type, here, so we just pass music. */
- r = get_output_samplingrate((int *) rate, AUDIO_STREAM_TYPE_MUSIC);
- if (r) {
- dlclose(libmedia);
- return CUBEB_ERROR;
- }
- }
+static void opensl_stream_destroy(cubeb_stream * stm);
- dlclose(libmedia);
+static int
+opensl_set_format(SLDataFormat_PCM * format, cubeb_stream_params * params)
+{
+ assert(format);
+ assert(params);
- /* Depending on which method we called above, we can get a zero back, yet have
- * a non-error return value, especially if the audio system is not
- * ready/shutting down (i.e. when we can't get our hand on the AudioFlinger
- * thread). */
- if (*rate == 0) {
- return CUBEB_ERROR;
+ format->formatType = SL_DATAFORMAT_PCM;
+ format->numChannels = params->channels;
+ // samplesPerSec is in milliHertz
+ format->samplesPerSec = params->rate * 1000;
+ format->bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
+ format->containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
+ format->channelMask = params->channels == 1 ?
+ SL_SPEAKER_FRONT_CENTER :
+ SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
+
+ switch (params->format) {
+ case CUBEB_SAMPLE_S16LE:
+ format->endianness = SL_BYTEORDER_LITTLEENDIAN;
+ break;
+ case CUBEB_SAMPLE_S16BE:
+ format->endianness = SL_BYTEORDER_BIGENDIAN;
+ break;
+ default:
+ return CUBEB_ERROR_INVALID_FORMAT;
}
-
return CUBEB_OK;
}
static int
-opensl_get_min_latency(cubeb * ctx, cubeb_stream_params params, uint32_t * latency_frames)
+opensl_configure_capture(cubeb_stream * stm, cubeb_stream_params * params)
{
- /* https://android.googlesource.com/platform/ndk.git/+/master/docs/opensles/index.html
- * We don't want to deal with JNI here (and we don't have Java on b2g anyways),
- * so we just dlopen the library and get the two symbols we need. */
-
- int r;
- void * libmedia;
- size_t (*get_primary_output_frame_count)(void);
- int (*get_output_frame_count)(size_t * frameCount, int streamType);
- uint32_t primary_sampling_rate;
- size_t primary_buffer_size;
+ assert(stm);
+ assert(params);
- r = opensl_get_preferred_sample_rate(ctx, &primary_sampling_rate);
+ SLDataLocator_AndroidSimpleBufferQueue lDataLocatorOut;
+ lDataLocatorOut.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE;
+ lDataLocatorOut.numBuffers = NBUFS;
- if (r) {
- return CUBEB_ERROR;
+ SLDataFormat_PCM lDataFormat;
+ int r = opensl_set_format(&lDataFormat, params);
+ if (r != CUBEB_OK) {
+ return CUBEB_ERROR_INVALID_FORMAT;
}
- libmedia = dlopen("libmedia.so", RTLD_LAZY);
- if (!libmedia) {
- return CUBEB_ERROR;
- }
+ /* For now set device rate to params rate. */
+ stm->input_device_rate = params->rate;
+
+ SLDataSink lDataSink;
+ lDataSink.pLocator = &lDataLocatorOut;
+ lDataSink.pFormat = &lDataFormat;
+
+ SLDataLocator_IODevice lDataLocatorIn;
+ lDataLocatorIn.locatorType = SL_DATALOCATOR_IODEVICE;
+ lDataLocatorIn.deviceType = SL_IODEVICE_AUDIOINPUT;
+ lDataLocatorIn.deviceID = SL_DEFAULTDEVICEID_AUDIOINPUT;
+ lDataLocatorIn.device = NULL;
+
+ SLDataSource lDataSource;
+ lDataSource.pLocator = &lDataLocatorIn;
+ lDataSource.pFormat = NULL;
+
+ const SLInterfaceID lSoundRecorderIIDs[] = { stm->context->SL_IID_RECORD,
+ stm->context->SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
+ stm->context->SL_IID_ANDROIDCONFIGURATION };
+
+ const SLboolean lSoundRecorderReqs[] = { SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE };
+ // create the audio recorder abstract object
+ SLresult res = (*stm->context->eng)->CreateAudioRecorder(stm->context->eng,
+ &stm->recorderObj,
+ &lDataSource,
+ &lDataSink,
+ NELEMS(lSoundRecorderIIDs),
+ lSoundRecorderIIDs,
+ lSoundRecorderReqs);
+ // Sample rate not supported. Try again with default sample rate!
+ if (res == SL_RESULT_CONTENT_UNSUPPORTED) {
+ if (stm->output_enabled && stm->output_configured_rate != 0) {
+ // Set the same with the player. Since there is no
+ // api for input device this is a safe choice.
+ stm->input_device_rate = stm->output_configured_rate;
+ } else {
+ // The output preferred rate is used for an input only scenario.
+ // The default rate expected to be supported from all android devices.
+ stm->input_device_rate = DEFAULT_SAMPLE_RATE;
+ }
+ lDataFormat.samplesPerSec = stm->input_device_rate * 1000;
+ res = (*stm->context->eng)->CreateAudioRecorder(stm->context->eng,
+ &stm->recorderObj,
+ &lDataSource,
+ &lDataSink,
+ NELEMS(lSoundRecorderIIDs),
+ lSoundRecorderIIDs,
+ lSoundRecorderReqs);
- /* JB variant */
- /* size_t AudioSystem::getPrimaryOutputFrameCount(void) */
- get_primary_output_frame_count =
- dlsym(libmedia, "_ZN7android11AudioSystem26getPrimaryOutputFrameCountEv");
- if (!get_primary_output_frame_count) {
- /* ICS variant */
- /* status_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) */
- get_output_frame_count =
- dlsym(libmedia, "_ZN7android11AudioSystem19getOutputFrameCountEPii");
- if (!get_output_frame_count) {
- dlclose(libmedia);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to create recorder. Error code: %lu", res);
return CUBEB_ERROR;
}
}
- if (get_primary_output_frame_count) {
- primary_buffer_size = get_primary_output_frame_count();
- } else {
- if (get_output_frame_count(&primary_buffer_size, params.stream_type) != 0) {
+
+ if (get_android_version() > ANDROID_VERSION_JELLY_BEAN) {
+ SLAndroidConfigurationItf recorderConfig;
+ res = (*stm->recorderObj)
+ ->GetInterface(stm->recorderObj,
+ stm->context->SL_IID_ANDROIDCONFIGURATION,
+ &recorderConfig);
+
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to get the android configuration interface for recorder. Error "
+ "code: %lu",
+ res);
return CUBEB_ERROR;
}
- }
- /* To get a fast track in Android's mixer, we need to be at the native
- * samplerate, which is device dependant. Some devices might be able to
- * resample when playing a fast track, but it's pretty rare. */
- *latency_frames = NBUFS * primary_buffer_size;
+ // Voice recognition is the lowest latency, according to the docs. Camcorder
+ // uses a microphone that is in the same direction as the camera.
+ SLint32 streamType = stm->voice ? SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION
+ : SL_ANDROID_RECORDING_PRESET_CAMCORDER;
- dlclose(libmedia);
+ res = (*recorderConfig)
+ ->SetConfiguration(recorderConfig, SL_ANDROID_KEY_RECORDING_PRESET,
+ &streamType, sizeof(SLint32));
- return CUBEB_OK;
-}
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to set the android configuration to VOICE for the recorder. "
+ "Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
+ }
+ // realize the audio recorder
+ res = (*stm->recorderObj)->Realize(stm->recorderObj, SL_BOOLEAN_FALSE);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to realize recorder. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
+ // get the record interface
+ res = (*stm->recorderObj)->GetInterface(stm->recorderObj,
+ stm->context->SL_IID_RECORD,
+ &stm->recorderItf);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to get recorder interface. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
-static void
-opensl_destroy(cubeb * ctx)
-{
- if (ctx->outmixObj)
- (*ctx->outmixObj)->Destroy(ctx->outmixObj);
- if (ctx->engObj)
- cubeb_destroy_sles_engine(&ctx->engObj);
- dlclose(ctx->lib);
- dlclose(ctx->libmedia);
- free(ctx);
-}
+ res = (*stm->recorderItf)->RegisterCallback(stm->recorderItf, recorder_marker_callback, stm);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to register recorder marker callback. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
-static void opensl_stream_destroy(cubeb_stream * stm);
+ (*stm->recorderItf)->SetMarkerPosition(stm->recorderItf, (SLmillisecond)0);
-static int
-opensl_stream_init(cubeb * ctx, 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_frames,
- cubeb_data_callback data_callback, cubeb_state_callback state_callback,
- void * user_ptr)
-{
- cubeb_stream * stm;
+ res = (*stm->recorderItf)->SetCallbackEventsMask(stm->recorderItf, (SLuint32)SL_RECORDEVENT_HEADATMARKER);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to set headatmarker event mask. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
+ // get the simple android buffer queue interface
+ res = (*stm->recorderObj)->GetInterface(stm->recorderObj,
+ stm->context->SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
+ &stm->recorderBufferQueueItf);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to get recorder (android) buffer queue interface. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
- assert(ctx);
- assert(!input_stream_params && "not supported");
- if (input_device || output_device) {
- /* Device selection not yet implemented. */
- return CUBEB_ERROR_DEVICE_UNAVAILABLE;
+ // register callback on record (input) buffer queue
+ slAndroidSimpleBufferQueueCallback rec_callback = recorder_callback;
+ if (stm->output_enabled) {
+ // Register full duplex callback instead.
+ rec_callback = recorder_fullduplex_callback;
+ }
+ res = (*stm->recorderBufferQueueItf)->RegisterCallback(stm->recorderBufferQueueItf,
+ rec_callback,
+ stm);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to register recorder buffer queue callback. Error code: %lu", res);
+ return CUBEB_ERROR;
}
- *stream = NULL;
+ // Calculate length of input buffer according to requested latency
+ stm->input_frame_size = params->channels * sizeof(int16_t);
+ stm->input_buffer_length = (stm->input_frame_size * stm->buffer_size_frames);
- SLDataFormat_PCM format;
+ // Calculate the capacity of input array
+ stm->input_array_capacity = NBUFS;
+ if (stm->output_enabled) {
+ // Full duplex, update capacity to hold 1 sec of data
+ stm->input_array_capacity = 1 * stm->input_device_rate / stm->input_buffer_length;
+ }
+ // Allocate input array
+ stm->input_buffer_array = (void**)calloc(1, sizeof(void*)*stm->input_array_capacity);
+ // Buffering has not started yet.
+ stm->input_buffer_index = -1;
+ // Prepare input buffers
+ for(uint32_t i = 0; i < stm->input_array_capacity; ++i) {
+ stm->input_buffer_array[i] = calloc(1, stm->input_buffer_length);
+ }
- format.formatType = SL_DATAFORMAT_PCM;
- format.numChannels = output_stream_params->channels;
- // samplesPerSec is in milliHertz
- format.samplesPerSec = output_stream_params->rate * 1000;
- format.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
- format.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
- format.channelMask = output_stream_params->channels == 1 ?
- SL_SPEAKER_FRONT_CENTER :
- SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
-
- switch (output_stream_params->format) {
- case CUBEB_SAMPLE_S16LE:
- format.endianness = SL_BYTEORDER_LITTLEENDIAN;
- break;
- case CUBEB_SAMPLE_S16BE:
- format.endianness = SL_BYTEORDER_BIGENDIAN;
- break;
- default:
- return CUBEB_ERROR_INVALID_FORMAT;
+ // On full duplex allocate input queue and silent buffer
+ if (stm->output_enabled) {
+ stm->input_queue = array_queue_create(stm->input_array_capacity);
+ assert(stm->input_queue);
+ stm->input_silent_buffer = calloc(1, stm->input_buffer_length);
+ assert(stm->input_silent_buffer);
}
- stm = calloc(1, sizeof(*stm));
- assert(stm);
+ // Enqueue buffer to start rolling once recorder started
+ r = opensl_enqueue_recorder(stm, NULL);
+ if (r != CUBEB_OK) {
+ return r;
+ }
- stm->context = ctx;
- stm->data_callback = data_callback;
- stm->state_callback = state_callback;
- stm->user_ptr = user_ptr;
+ LOG("Cubeb stream init recorder success");
- stm->inputrate = output_stream_params->rate;
- stm->latency = latency_frames;
- stm->stream_type = output_stream_params->stream_type;
- stm->framesize = output_stream_params->channels * sizeof(int16_t);
+ return CUBEB_OK;
+}
+
+static int
+opensl_configure_playback(cubeb_stream * stm, cubeb_stream_params * params) {
+ assert(stm);
+ assert(params);
+
+ stm->user_output_rate = params->rate;
+ stm->framesize = params->channels * sizeof(int16_t);
stm->lastPosition = -1;
stm->lastPositionTimeStamp = 0;
stm->lastCompensativePosition = -1;
- int r = pthread_mutex_init(&stm->mutex, NULL);
- assert(r == 0);
+ SLDataFormat_PCM format;
+ int r = opensl_set_format(&format, params);
+ if (r != CUBEB_OK) {
+ return CUBEB_ERROR_INVALID_FORMAT;
+ }
SLDataLocator_BufferQueue loc_bufq;
loc_bufq.locatorType = SL_DATALOCATOR_BUFFERQUEUE;
@@ -563,15 +1040,15 @@ opensl_stream_init(cubeb * ctx, cubeb_stream ** stream, char const * stream_name
SLDataLocator_OutputMix loc_outmix;
loc_outmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
- loc_outmix.outputMix = ctx->outmixObj;
+ loc_outmix.outputMix = stm->context->outmixObj;
SLDataSink sink;
sink.pLocator = &loc_outmix;
sink.pFormat = NULL;
#if defined(__ANDROID__)
- const SLInterfaceID ids[] = {ctx->SL_IID_BUFFERQUEUE,
- ctx->SL_IID_VOLUME,
- ctx->SL_IID_ANDROIDCONFIGURATION};
+ const SLInterfaceID ids[] = {stm->context->SL_IID_BUFFERQUEUE,
+ stm->context->SL_IID_VOLUME,
+ stm->context->SL_IID_ANDROIDCONFIGURATION};
const SLboolean req[] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
#else
const SLInterfaceID ids[] = {ctx->SL_IID_BUFFERQUEUE, ctx->SL_IID_VOLUME};
@@ -579,115 +1056,166 @@ opensl_stream_init(cubeb * ctx, cubeb_stream ** stream, char const * stream_name
#endif
assert(NELEMS(ids) == NELEMS(req));
- uint32_t preferred_sampling_rate = stm->inputrate;
-#if defined(__ANDROID__)
- if (get_android_version() >= ANDROID_VERSION_MARSHMALLOW) {
- // Reset preferred samping rate to trigger fallback to native sampling rate.
- preferred_sampling_rate = 0;
- if (opensl_get_min_latency(ctx, *output_stream_params, &latency_frames) != CUBEB_OK) {
- // Default to AudioFlinger's advertised fast track latency of 10ms.
- latency_frames = 440;
- }
- stm->latency = latency_frames;
- }
-#endif
-
+ uint32_t preferred_sampling_rate = stm->user_output_rate;
SLresult res = SL_RESULT_CONTENT_UNSUPPORTED;
if (preferred_sampling_rate) {
- res = (*ctx->eng)->CreateAudioPlayer(ctx->eng, &stm->playerObj, &source,
- &sink, NELEMS(ids), ids, req);
+ res = (*stm->context->eng)->CreateAudioPlayer(stm->context->eng,
+ &stm->playerObj,
+ &source,
+ &sink,
+ NELEMS(ids),
+ ids,
+ req);
}
// Sample rate not supported? Try again with primary sample rate!
- if (res == SL_RESULT_CONTENT_UNSUPPORTED) {
- if (opensl_get_preferred_sample_rate(ctx, &preferred_sampling_rate)) {
- opensl_stream_destroy(stm);
- return CUBEB_ERROR;
- }
-
+ if (res == SL_RESULT_CONTENT_UNSUPPORTED &&
+ preferred_sampling_rate != DEFAULT_SAMPLE_RATE) {
+ preferred_sampling_rate = DEFAULT_SAMPLE_RATE;
format.samplesPerSec = preferred_sampling_rate * 1000;
- res = (*ctx->eng)->CreateAudioPlayer(ctx->eng, &stm->playerObj,
- &source, &sink, NELEMS(ids), ids, req);
+ res = (*stm->context->eng)->CreateAudioPlayer(stm->context->eng,
+ &stm->playerObj,
+ &source,
+ &sink,
+ NELEMS(ids),
+ ids,
+ req);
}
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to create audio player. Error code: %lu", res);
return CUBEB_ERROR;
}
- stm->outputrate = preferred_sampling_rate;
- stm->bytespersec = stm->outputrate * stm->framesize;
- stm->queuebuf_len = stm->framesize * latency_frames / NBUFS;
- // round up to the next multiple of stm->framesize, if needed.
- if (stm->queuebuf_len % stm->framesize) {
- stm->queuebuf_len += stm->framesize - (stm->queuebuf_len % stm->framesize);
+ stm->output_configured_rate = preferred_sampling_rate;
+ stm->bytespersec = stm->output_configured_rate * stm->framesize;
+ stm->queuebuf_len = stm->framesize * stm->buffer_size_frames;
+
+ // Calculate the capacity of input array
+ stm->queuebuf_capacity = NBUFS;
+ if (stm->output_enabled) {
+ // Full duplex, update capacity to hold 1 sec of data
+ stm->queuebuf_capacity = 1 * stm->output_configured_rate / stm->queuebuf_len;
+ }
+ // Allocate input array
+ stm->queuebuf = (void**)calloc(1, sizeof(void*) * stm->queuebuf_capacity);
+ for (uint32_t i = 0; i < stm->queuebuf_capacity; ++i) {
+ stm->queuebuf[i] = calloc(1, stm->queuebuf_len);
+ assert(stm->queuebuf[i]);
}
- cubeb_stream_params params = *output_stream_params;
- params.rate = preferred_sampling_rate;
+ SLAndroidConfigurationItf playerConfig = NULL;
- stm->resampler = cubeb_resampler_create(stm, NULL, &params,
- output_stream_params->rate,
- data_callback,
- user_ptr,
- CUBEB_RESAMPLER_QUALITY_DEFAULT);
+ if (get_android_version() >= ANDROID_VERSION_N_MR1) {
+ res = (*stm->playerObj)
+ ->GetInterface(stm->playerObj,
+ stm->context->SL_IID_ANDROIDCONFIGURATION,
+ &playerConfig);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to get Android configuration interface. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
- if (!stm->resampler) {
- opensl_stream_destroy(stm);
- return CUBEB_ERROR;
- }
+ SLint32 streamType = SL_ANDROID_STREAM_MEDIA;
+ if (stm->voice) {
+ streamType = SL_ANDROID_STREAM_VOICE;
+ }
+ res = (*playerConfig)->SetConfiguration(playerConfig,
+ SL_ANDROID_KEY_STREAM_TYPE,
+ &streamType,
+ sizeof(streamType));
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to set Android configuration to %d Error code: %lu",
+ streamType, res);
+ }
- int i;
- for (i = 0; i < NBUFS; i++) {
- stm->queuebuf[i] = malloc(stm->queuebuf_len);
- assert(stm->queuebuf[i]);
- }
+ SLuint32 performanceMode = SL_ANDROID_PERFORMANCE_LATENCY;
+ if (stm->buffer_size_frames > POWERSAVE_LATENCY_FRAMES_THRESHOLD) {
+ performanceMode = SL_ANDROID_PERFORMANCE_POWER_SAVING;
+ }
-#if defined(__ANDROID__)
- SLuint32 stream_type = convert_stream_type_to_sl_stream(output_stream_params->stream_type);
- if (stream_type != 0xFFFFFFFF) {
- SLAndroidConfigurationItf playerConfig;
- res = (*stm->playerObj)->GetInterface(stm->playerObj,
- ctx->SL_IID_ANDROIDCONFIGURATION, &playerConfig);
res = (*playerConfig)->SetConfiguration(playerConfig,
- SL_ANDROID_KEY_STREAM_TYPE, &stream_type, sizeof(SLint32));
+ SL_ANDROID_KEY_PERFORMANCE_MODE,
+ &performanceMode,
+ sizeof(performanceMode));
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
- return CUBEB_ERROR;
+ LOG("Failed to set Android performance mode to %d Error code: %lu. This is"
+ " not fatal", performanceMode, res);
}
}
-#endif
res = (*stm->playerObj)->Realize(stm->playerObj, SL_BOOLEAN_FALSE);
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to realize player object. Error code: %lu", res);
return CUBEB_ERROR;
}
- res = (*stm->playerObj)->GetInterface(stm->playerObj, ctx->SL_IID_PLAY, &stm->play);
+ // There are two ways of getting the audio output latency:
+ // - a configuration value, only available on some devices (notably devices
+ // running FireOS)
+ // - A Java method, that we call using JNI.
+ //
+ // The first method is prefered, if available, because it can account for more
+ // latency causes, and is more precise.
+
+ // Latency has to be queried after the realization of the interface, when
+ // using SL_IID_ANDROIDCONFIGURATION.
+ SLuint32 audioLatency = 0;
+ SLuint32 paramSize = sizeof(SLuint32);
+ // The reported latency is in milliseconds.
+ if (playerConfig) {
+ res = (*playerConfig)->GetConfiguration(playerConfig,
+ (const SLchar *)"androidGetAudioLatency",
+ &paramSize,
+ &audioLatency);
+ if (res == SL_RESULT_SUCCESS) {
+ LOG("Got playback latency using android configuration extension");
+ stm->output_latency_ms = audioLatency;
+ }
+ }
+ // `playerConfig` is available, but the above failed, or `playerConfig` is not
+ // available. In both cases, we need to acquire the output latency by an other
+ // mean.
+ if ((playerConfig && res != SL_RESULT_SUCCESS) ||
+ !playerConfig) {
+ if (cubeb_output_latency_method_is_loaded(stm->context->p_output_latency_function)) {
+ LOG("Got playback latency using JNI");
+ stm->output_latency_ms = cubeb_get_output_latency(stm->context->p_output_latency_function);
+ } else {
+ LOG("No alternate latency querying method loaded, A/V sync will be off.");
+ stm->output_latency_ms = 0;
+ }
+ }
+
+ LOG("Audio output latency: %dms", stm->output_latency_ms);
+
+ res = (*stm->playerObj)->GetInterface(stm->playerObj,
+ stm->context->SL_IID_PLAY,
+ &stm->play);
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to get play interface. Error code: %lu", res);
return CUBEB_ERROR;
}
- res = (*stm->playerObj)->GetInterface(stm->playerObj, ctx->SL_IID_BUFFERQUEUE,
+ res = (*stm->playerObj)->GetInterface(stm->playerObj,
+ stm->context->SL_IID_BUFFERQUEUE,
&stm->bufq);
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to get bufferqueue interface. Error code: %lu", res);
return CUBEB_ERROR;
}
- res = (*stm->playerObj)->GetInterface(stm->playerObj, ctx->SL_IID_VOLUME,
+ res = (*stm->playerObj)->GetInterface(stm->playerObj,
+ stm->context->SL_IID_VOLUME,
&stm->volume);
-
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to get volume interface. Error code: %lu", res);
return CUBEB_ERROR;
}
res = (*stm->play)->RegisterCallback(stm->play, play_callback, stm);
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to register play callback. Error code: %lu", res);
return CUBEB_ERROR;
}
@@ -696,13 +1224,17 @@ opensl_stream_init(cubeb * ctx, cubeb_stream ** stream, char const * stream_name
res = (*stm->play)->SetCallbackEventsMask(stm->play, (SLuint32)SL_PLAYEVENT_HEADATMARKER);
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to set headatmarker event mask. Error code: %lu", res);
return CUBEB_ERROR;
}
- res = (*stm->bufq)->RegisterCallback(stm->bufq, bufferqueue_callback, stm);
+ slBufferQueueCallback player_callback = bufferqueue_callback;
+ if (stm->input_enabled) {
+ player_callback = player_fullduplex_callback;
+ }
+ res = (*stm->bufq)->RegisterCallback(stm->bufq, player_callback, stm);
if (res != SL_RESULT_SUCCESS) {
- opensl_stream_destroy(stm);
+ LOG("Failed to register bufferqueue callback. Error code: %lu", res);
return CUBEB_ERROR;
}
@@ -717,55 +1249,340 @@ opensl_stream_init(cubeb * ctx, cubeb_stream ** stream, char const * stream_name
assert(res == SL_RESULT_SUCCESS);
}
- *stream = stm;
+ LOG("Cubeb stream init playback success");
return CUBEB_OK;
}
-static void
-opensl_stream_destroy(cubeb_stream * stm)
+static int
+opensl_validate_stream_param(cubeb_stream_params * stream_params)
{
- if (stm->playerObj)
- (*stm->playerObj)->Destroy(stm->playerObj);
- int i;
- for (i = 0; i < NBUFS; i++) {
- free(stm->queuebuf[i]);
+ if ((stream_params &&
+ (stream_params->channels < 1 || stream_params->channels > 32))) {
+ return CUBEB_ERROR_INVALID_FORMAT;
}
- pthread_mutex_destroy(&stm->mutex);
+ if ((stream_params &&
+ (stream_params->prefs & CUBEB_STREAM_PREF_LOOPBACK))) {
+ LOG("Loopback is not supported");
+ return CUBEB_ERROR_NOT_SUPPORTED;
+ }
+ return CUBEB_OK;
+}
- cubeb_resampler_destroy(stm->resampler);
+int has_pref_set(cubeb_stream_params* input_params,
+ cubeb_stream_params* output_params,
+ cubeb_stream_prefs pref)
+{
+ return (input_params && input_params->prefs & pref) ||
+ (output_params && output_params->prefs & pref);
+}
- free(stm);
+static int
+opensl_stream_init(cubeb * ctx, 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_frames,
+ cubeb_data_callback data_callback, cubeb_state_callback state_callback,
+ void * user_ptr)
+{
+ cubeb_stream * stm;
+
+ assert(ctx);
+ if (input_device || output_device) {
+ LOG("Device selection is not supported in Android. The default will be used");
+ }
+
+ *stream = NULL;
+
+ int r = opensl_validate_stream_param(output_stream_params);
+ if(r != CUBEB_OK) {
+ LOG("Output stream params not valid");
+ return r;
+ }
+ r = opensl_validate_stream_param(input_stream_params);
+ if(r != CUBEB_OK) {
+ LOG("Input stream params not valid");
+ return r;
+ }
+
+ stm = calloc(1, sizeof(*stm));
+ assert(stm);
+
+ stm->context = ctx;
+ stm->data_callback = data_callback;
+ stm->state_callback = state_callback;
+ stm->user_ptr = user_ptr;
+ stm->buffer_size_frames = latency_frames ? latency_frames : DEFAULT_NUM_OF_FRAMES;
+ stm->input_enabled = (input_stream_params) ? 1 : 0;
+ stm->output_enabled = (output_stream_params) ? 1 : 0;
+ stm->shutdown = 1;
+ stm->voice = has_pref_set(input_stream_params, output_stream_params, CUBEB_STREAM_PREF_VOICE);
+
+ LOG("cubeb stream prefs: voice: %s", stm->voice ? "true" : "false");
+
+
+#ifdef DEBUG
+ pthread_mutexattr_t attr;
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK);
+ r = pthread_mutex_init(&stm->mutex, &attr);
+#else
+ r = pthread_mutex_init(&stm->mutex, NULL);
+#endif
+ assert(r == 0);
+
+ if (output_stream_params) {
+ LOG("Playback params: Rate %d, channels %d, format %d, latency in frames %d.",
+ output_stream_params->rate, output_stream_params->channels,
+ output_stream_params->format, stm->buffer_size_frames);
+ r = opensl_configure_playback(stm, output_stream_params);
+ if (r != CUBEB_OK) {
+ opensl_stream_destroy(stm);
+ return r;
+ }
+ }
+
+ if (input_stream_params) {
+ LOG("Capture params: Rate %d, channels %d, format %d, latency in frames %d.",
+ input_stream_params->rate, input_stream_params->channels,
+ input_stream_params->format, stm->buffer_size_frames);
+ r = opensl_configure_capture(stm, input_stream_params);
+ if (r != CUBEB_OK) {
+ opensl_stream_destroy(stm);
+ return r;
+ }
+ }
+
+ /* Configure resampler*/
+ uint32_t target_sample_rate;
+ if (input_stream_params) {
+ target_sample_rate = input_stream_params->rate;
+ } else {
+ assert(output_stream_params);
+ target_sample_rate = output_stream_params->rate;
+ }
+
+ // Use the actual configured rates for input
+ // and output.
+ cubeb_stream_params input_params;
+ if (input_stream_params) {
+ input_params = *input_stream_params;
+ input_params.rate = stm->input_device_rate;
+ }
+ cubeb_stream_params output_params;
+ if (output_stream_params) {
+ output_params = *output_stream_params;
+ output_params.rate = stm->output_configured_rate;
+ }
+
+ stm->resampler = cubeb_resampler_create(stm,
+ input_stream_params ? &input_params : NULL,
+ output_stream_params ? &output_params : NULL,
+ target_sample_rate,
+ data_callback,
+ user_ptr,
+ CUBEB_RESAMPLER_QUALITY_DEFAULT);
+ if (!stm->resampler) {
+ LOG("Failed to create resampler");
+ opensl_stream_destroy(stm);
+ return CUBEB_ERROR;
+ }
+
+ *stream = stm;
+ LOG("Cubeb stream (%p) init success", stm);
+ return CUBEB_OK;
+}
+
+static int
+opensl_start_player(cubeb_stream * stm)
+{
+ assert(stm->playerObj);
+ SLuint32 playerState;
+ (*stm->playerObj)->GetState(stm->playerObj, &playerState);
+ if (playerState == SL_OBJECT_STATE_REALIZED) {
+ SLresult res = (*stm->play)->SetPlayState(stm->play, SL_PLAYSTATE_PLAYING);
+ if(res != SL_RESULT_SUCCESS) {
+ LOG("Failed to start player. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
+ }
+ return CUBEB_OK;
+}
+
+static int
+opensl_start_recorder(cubeb_stream * stm)
+{
+ assert(stm->recorderObj);
+ SLuint32 recorderState;
+ (*stm->recorderObj)->GetState(stm->recorderObj, &recorderState);
+ if (recorderState == SL_OBJECT_STATE_REALIZED) {
+ SLresult res = (*stm->recorderItf)->SetRecordState(stm->recorderItf, SL_RECORDSTATE_RECORDING);
+ if(res != SL_RESULT_SUCCESS) {
+ LOG("Failed to start recorder. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
+ }
+ return CUBEB_OK;
}
static int
opensl_stream_start(cubeb_stream * stm)
{
- SLresult res = (*stm->play)->SetPlayState(stm->play, SL_PLAYSTATE_PLAYING);
- if (res != SL_RESULT_SUCCESS)
- return CUBEB_ERROR;
+ assert(stm);
+
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ opensl_set_shutdown(stm, 0);
+ opensl_set_draining(stm, 0);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ if (stm->playerObj) {
+ r = opensl_start_player(stm);
+ if (r != CUBEB_OK) {
+ return r;
+ }
+ }
+
+ if (stm->recorderObj) {
+ int r = opensl_start_recorder(stm);
+ if (r != CUBEB_OK) {
+ return r;
+ }
+ }
+
stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_STARTED);
+ LOG("Cubeb stream (%p) started", stm);
return CUBEB_OK;
}
static int
-opensl_stream_stop(cubeb_stream * stm)
+opensl_stop_player(cubeb_stream * stm)
{
+ assert(stm->playerObj);
+ assert(stm->shutdown || stm->draining);
+
SLresult res = (*stm->play)->SetPlayState(stm->play, SL_PLAYSTATE_PAUSED);
- if (res != SL_RESULT_SUCCESS)
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to stop player. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
+
+ return CUBEB_OK;
+}
+
+static int
+opensl_stop_recorder(cubeb_stream * stm)
+{
+ assert(stm->recorderObj);
+ assert(stm->shutdown || stm->draining);
+
+ SLresult res = (*stm->recorderItf)->SetRecordState(stm->recorderItf, SL_RECORDSTATE_PAUSED);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to stop recorder. Error code: %lu", res);
return CUBEB_ERROR;
+ }
+
+ return CUBEB_OK;
+}
+
+static int
+opensl_stream_stop(cubeb_stream * stm)
+{
+ assert(stm);
+
+ int r = pthread_mutex_lock(&stm->mutex);
+ assert(r == 0);
+ opensl_set_shutdown(stm, 1);
+ r = pthread_mutex_unlock(&stm->mutex);
+ assert(r == 0);
+
+ if (stm->playerObj) {
+ r = opensl_stop_player(stm);
+ if (r != CUBEB_OK) {
+ return r;
+ }
+ }
+
+ if (stm->recorderObj) {
+ int r = opensl_stop_recorder(stm);
+ if (r != CUBEB_OK) {
+ return r;
+ }
+ }
+
stm->state_callback(stm, stm->user_ptr, CUBEB_STATE_STOPPED);
+ LOG("Cubeb stream (%p) stopped", stm);
return CUBEB_OK;
}
static int
+opensl_destroy_recorder(cubeb_stream * stm)
+{
+ assert(stm);
+ assert(stm->recorderObj);
+
+ if (stm->recorderBufferQueueItf) {
+ SLresult res = (*stm->recorderBufferQueueItf)->Clear(stm->recorderBufferQueueItf);
+ if (res != SL_RESULT_SUCCESS) {
+ LOG("Failed to clear recorder buffer queue. Error code: %lu", res);
+ return CUBEB_ERROR;
+ }
+ stm->recorderBufferQueueItf = NULL;
+ for (uint32_t i = 0; i < stm->input_array_capacity; ++i) {
+ free(stm->input_buffer_array[i]);
+ }
+ }
+
+ (*stm->recorderObj)->Destroy(stm->recorderObj);
+ stm->recorderObj = NULL;
+ stm->recorderItf = NULL;
+
+ if (stm->input_queue) {
+ array_queue_destroy(stm->input_queue);
+ }
+ free(stm->input_silent_buffer);
+
+ return CUBEB_OK;
+}
+
+static void
+opensl_stream_destroy(cubeb_stream * stm)
+{
+ assert(stm->draining || stm->shutdown);
+
+ if (stm->playerObj) {
+ (*stm->playerObj)->Destroy(stm->playerObj);
+ stm->playerObj = NULL;
+ stm->play = NULL;
+ stm->bufq = NULL;
+ for (uint32_t i = 0; i < stm->queuebuf_capacity; ++i) {
+ free(stm->queuebuf[i]);
+ }
+ }
+
+ if (stm->recorderObj) {
+ int r = opensl_destroy_recorder(stm);
+ assert(r == CUBEB_OK);
+ }
+
+ if (stm->resampler) {
+ cubeb_resampler_destroy(stm->resampler);
+ }
+
+ pthread_mutex_destroy(&stm->mutex);
+
+ LOG("Cubeb stream (%p) destroyed", stm);
+ free(stm);
+}
+
+static int
opensl_stream_get_position(cubeb_stream * stm, uint64_t * position)
{
SLmillisecond msec;
- uint64_t samplerate;
- SLresult res;
- int r;
- uint32_t mixer_latency;
uint32_t compensation_msec = 0;
+ SLresult res;
res = (*stm->play)->GetPosition(stm->play, &msec);
if (res != SL_RESULT_SUCCESS)
@@ -781,27 +1598,23 @@ opensl_stream_get_position(cubeb_stream * stm, uint64_t * position)
stm->lastPosition = msec;
}
- samplerate = stm->inputrate;
-
- r = stm->context->get_output_latency(&mixer_latency, stm->stream_type);
- if (r) {
- return CUBEB_ERROR;
- }
+ uint64_t samplerate = stm->user_output_rate;
+ uint32_t output_latency = stm->output_latency_ms;
pthread_mutex_lock(&stm->mutex);
- int64_t maximum_position = stm->written * (int64_t)stm->inputrate / stm->outputrate;
+ int64_t maximum_position = stm->written * (int64_t)stm->user_output_rate / stm->output_configured_rate;
pthread_mutex_unlock(&stm->mutex);
assert(maximum_position >= 0);
- if (msec > mixer_latency) {
+ if (msec > output_latency) {
int64_t unadjusted_position;
if (stm->lastCompensativePosition > msec + compensation_msec) {
// Over compensation, use lastCompensativePosition.
unadjusted_position =
- samplerate * (stm->lastCompensativePosition - mixer_latency) / 1000;
+ samplerate * (stm->lastCompensativePosition - output_latency) / 1000;
} else {
unadjusted_position =
- samplerate * (msec - mixer_latency + compensation_msec) / 1000;
+ samplerate * (msec - output_latency + compensation_msec) / 1000;
stm->lastCompensativePosition = msec + compensation_msec;
}
*position = unadjusted_position < maximum_position ?
@@ -813,24 +1626,6 @@ opensl_stream_get_position(cubeb_stream * stm, uint64_t * position)
}
int
-opensl_stream_get_latency(cubeb_stream * stm, uint32_t * latency)
-{
- int r;
- uint32_t mixer_latency; // The latency returned by AudioFlinger is in ms.
-
- /* audio_stream_type_t is an int, so this is okay. */
- r = stm->context->get_output_latency(&mixer_latency, stm->stream_type);
- if (r) {
- return CUBEB_ERROR;
- }
-
- *latency = stm->latency * stm->inputrate / 1000 + // OpenSL latency
- mixer_latency * stm->inputrate / 1000; // AudioFlinger latency
-
- return CUBEB_OK;
-}
-
-int
opensl_stream_set_volume(cubeb_stream * stm, float volume)
{
SLresult res;
@@ -865,18 +1660,19 @@ static struct cubeb_ops const opensl_ops = {
.init = opensl_init,
.get_backend_id = opensl_get_backend_id,
.get_max_channel_count = opensl_get_max_channel_count,
- .get_min_latency = opensl_get_min_latency,
- .get_preferred_sample_rate = opensl_get_preferred_sample_rate,
+ .get_min_latency = NULL,
+ .get_preferred_sample_rate = NULL,
.enumerate_devices = NULL,
+ .device_collection_destroy = NULL,
.destroy = opensl_destroy,
.stream_init = opensl_stream_init,
.stream_destroy = opensl_stream_destroy,
.stream_start = opensl_stream_start,
.stream_stop = opensl_stream_stop,
+ .stream_reset_default_device = NULL,
.stream_get_position = opensl_stream_get_position,
- .stream_get_latency = opensl_stream_get_latency,
+ .stream_get_latency = NULL,
.stream_set_volume = opensl_stream_set_volume,
- .stream_set_panning = NULL,
.stream_get_current_device = NULL,
.stream_device_destroy = NULL,
.stream_register_device_changed_callback = NULL,