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r_submix: Implement get_capture_position

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IStream.getCapturePosition becomes mandatory in
audio HAL V7. The legacy implementation must
provide it for the default HAL implementation.

Bug: 161253754
Test: atest VtsHalAudioV7_0TargetTest
Change-Id: I2f2094f0499ba85f53f291e0a269211981b4c9d8
This commit is contained in:
Mikhail Naganov 2021-03-11 13:24:35 -08:00
parent e92e08a8a4
commit 8c97d24e3a
1 changed files with 40 additions and 5 deletions
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45
modules/audio_remote_submix/audio_hw.cpp
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@ -196,6 +196,7 @@ struct submix_stream_in {
struct timespec record_start_time;
// how many frames have been requested to be read
uint64_t read_counter_frames;
uint64_t read_counter_frames_since_standby;
#if ENABLE_LEGACY_INPUT_OPEN
// Number of references to this input stream.
@ -836,7 +837,7 @@ static ssize_t out_write(struct audio_stream_out *stream, const void* buffer,
sp<MonoPipeReader> source = rsxadev->routes[out->route_handle].rsxSource;
const struct submix_stream_in *in = rsxadev->routes[out->route_handle].input;
const bool dont_block = (in == NULL)
|| (in->input_standby && (in->read_counter_frames != 0));
|| (in->input_standby && (in->read_counter_frames_since_standby != 0));
if (dont_block && availableToWrite < frames) {
static uint8_t flush_buffer[64];
const size_t flushBufferSizeFrames = sizeof(flush_buffer) / frame_size;
@ -1141,11 +1142,12 @@ static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
// or when we start recording silence, and reset projected time
int rc = clock_gettime(CLOCK_MONOTONIC, &in->record_start_time);
if (rc == 0) {
in->read_counter_frames = 0;
in->read_counter_frames_since_standby = 0;
}
}
in->read_counter_frames += frames_to_read;
in->read_counter_frames_since_standby += frames_to_read;
size_t remaining_frames = frames_to_read;
{
@ -1324,12 +1326,12 @@ static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
record_duration.tv_nsec += 1000000000;
}
// read_counter_frames contains the number of frames that have been read since the
// beginning of recording (including this call): it's converted to usec and compared to
// read_counter_frames_since_standby contains the number of frames that have been read since
// the beginning of recording (including this call): it's converted to usec and compared to
// how long we've been recording for, which gives us how long we must wait to sync the
// projected recording time, and the observed recording time.
long projected_vs_observed_offset_us =
((int64_t)(in->read_counter_frames
((int64_t)(in->read_counter_frames_since_standby
- (record_duration.tv_sec*sample_rate)))
* 1000000 / sample_rate
- (record_duration.tv_nsec / 1000);
@ -1353,6 +1355,37 @@ static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream)
return 0;
}
static int in_get_capture_position(const struct audio_stream_in *stream,
int64_t *frames, int64_t *time)
{
if (stream == NULL || frames == NULL || time == NULL) {
return -EINVAL;
}
struct submix_stream_in * const in = audio_stream_in_get_submix_stream_in(
(struct audio_stream_in*)stream);
struct submix_audio_device * const rsxadev = in->dev;
pthread_mutex_lock(&rsxadev->lock);
sp<MonoPipeReader> source = rsxadev->routes[in->route_handle].rsxSource;
if (source == NULL) {
ALOGW("%s called on released input", __FUNCTION__);
pthread_mutex_unlock(&rsxadev->lock);
return -ENODEV;
}
*frames = in->read_counter_frames;
const ssize_t frames_in_pipe = source->availableToRead();
pthread_mutex_unlock(&rsxadev->lock);
if (frames_in_pipe > 0) {
*frames += frames_in_pipe;
}
struct timespec timestamp;
clock_gettime(CLOCK_MONOTONIC, &timestamp);
*time = timestamp.tv_sec * 1000000000LL + timestamp.tv_nsec;
return 0;
}
static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
(void)stream;
@ -1671,6 +1704,7 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
in->stream.set_gain = in_set_gain;
in->stream.read = in_read;
in->stream.get_input_frames_lost = in_get_input_frames_lost;
in->stream.get_capture_position = in_get_capture_position;
in->dev = rsxadev;
#if LOG_STREAMS_TO_FILES
@ -1680,6 +1714,7 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
// Initialize the input stream.
in->read_counter_frames = 0;
in->read_counter_frames_since_standby = 0;
in->input_standby = true;
if (rsxadev->routes[route_idx].output != NULL) {
in->output_standby_rec_thr = rsxadev->routes[route_idx].output->output_standby;