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am e365edde: am 4b6c5155: am 5ff76cb5: am 793a854e: Fix remote submix crash on null sink

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* commit 'e365eddee20f047d21c4ceedf11ce43c3628cd8e':
  Fix remote submix crash on null sink
This commit is contained in:
Jean-Michel Trivi 2014-10-16 07:05:44 +00:00 committed by Android Git Automerger
commit 3a6dc89b0f
1 changed files with 30 additions and 12 deletions
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42
modules/audio_remote_submix/audio_hw.cpp
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@ -95,6 +95,8 @@ namespace android {
// File permissions for stream log files.
#define LOG_STREAM_FILE_PERMISSIONS (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
#endif // LOG_STREAMS_TO_FILES
// limit for number of read error log entries to avoid spamming the logs
#define MAX_READ_ERROR_LOGS 5
// Common limits macros.
#ifndef min
@ -194,6 +196,8 @@ struct submix_stream_in {
#if LOG_STREAMS_TO_FILES
int log_fd;
#endif // LOG_STREAMS_TO_FILES
volatile int16_t read_error_count;
};
// Determine whether the specified sample rate is supported by the submix module.
@ -350,7 +354,7 @@ static void submix_audio_device_create_pipe(struct submix_audio_device * const r
struct submix_stream_out * const out)
{
ALOG_ASSERT(in || out);
ALOGV("submix_audio_device_create_pipe()");
ALOGD("submix_audio_device_create_pipe()");
pthread_mutex_lock(&rsxadev->lock);
// Save a reference to the specified input or output stream and the associated channel
// mask.
@ -435,7 +439,7 @@ static void submix_audio_device_create_pipe(struct submix_audio_device * const r
// before they shutdown.
static void submix_audio_device_release_pipe(struct submix_audio_device * const rsxadev)
{
ALOGV("submix_audio_device_release_pipe()");
ALOGD("submix_audio_device_release_pipe()");
rsxadev->rsxSink.clear();
rsxadev->rsxSource.clear();
}
@ -463,9 +467,9 @@ static void submix_audio_device_destroy_pipe(struct submix_audio_device * const
#endif // ENABLE_LEGACY_INPUT_OPEN
}
if (out != NULL) rsxadev->output = NULL;
if (rsxadev->input != NULL && rsxadev->output != NULL) {
if (rsxadev->input == NULL && rsxadev->output == NULL) {
submix_audio_device_release_pipe(rsxadev);
ALOGV("submix_audio_device_destroy_pipe(): pipe destroyed");
ALOGD("submix_audio_device_destroy_pipe(): pipe destroyed");
}
pthread_mutex_unlock(&rsxadev->lock);
}
@ -655,7 +659,7 @@ static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
return 0;
}
ALOGI("out_set_parameters(): shutdown");
ALOGD("out_set_parameters(): shutting down MonoPipe sink");
sink->shutdown(true);
} // done using the sink
pthread_mutex_unlock(&rsxadev->lock);
@ -975,7 +979,9 @@ static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
// about to read from audio source
sp<MonoPipeReader> source = rsxadev->rsxSource;
if (source == NULL) {
ALOGE("no audio pipe yet we're trying to read!");
in->read_error_count++;// ok if it rolls over
ALOGE_IF(in->read_error_count < MAX_READ_ERROR_LOGS,
"no audio pipe yet we're trying to read! (not all errors will be logged)");
pthread_mutex_unlock(&rsxadev->lock);
usleep(frames_to_read * 1000000 / in_get_sample_rate(&stream->common));
memset(buffer, 0, bytes);
@ -1192,7 +1198,7 @@ static int adev_open_output_stream(struct audio_hw_device *dev,
const char *address __unused)
{
struct submix_audio_device * const rsxadev = audio_hw_device_get_submix_audio_device(dev);
ALOGV("adev_open_output_stream()");
ALOGD("adev_open_output_stream()");
struct submix_stream_out *out;
bool force_pipe_creation = false;
(void)handle;
@ -1247,7 +1253,7 @@ static int adev_open_output_stream(struct audio_hw_device *dev,
// Store a pointer to the device from the output stream.
out->dev = rsxadev;
// Initialize the pipe.
ALOGV("adev_open_output_stream(): Initializing pipe");
ALOGV("adev_open_output_stream(): about to create pipe");
submix_audio_device_create_pipe(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES,
DEFAULT_PIPE_PERIOD_COUNT, NULL, out);
#if LOG_STREAMS_TO_FILES
@ -1267,7 +1273,7 @@ static void adev_close_output_stream(struct audio_hw_device *dev,
struct audio_stream_out *stream)
{
struct submix_stream_out * const out = audio_stream_out_get_submix_stream_out(stream);
ALOGV("adev_close_output_stream()");
ALOGD("adev_close_output_stream()");
submix_audio_device_destroy_pipe(audio_hw_device_get_submix_audio_device(dev), NULL, out);
#if LOG_STREAMS_TO_FILES
if (out->log_fd >= 0) close(out->log_fd);
@ -1381,7 +1387,7 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
{
struct submix_audio_device *rsxadev = audio_hw_device_get_submix_audio_device(dev);
struct submix_stream_in *in;
ALOGI("adev_open_input_stream()");
ALOGD("adev_open_input_stream()");
(void)handle;
(void)devices;
@ -1402,7 +1408,17 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
sp<MonoPipe> sink = rsxadev->rsxSink;
ALOG_ASSERT(sink != NULL);
// If the sink has been shutdown, delete the pipe.
if (sink->isShutdown()) submix_audio_device_release_pipe(rsxadev);
if (sink != NULL) {
if (sink->isShutdown()) {
ALOGD(" Non-NULL shut down sink when opening input stream, releasing, refcount=%d",
in->ref_count);
submix_audio_device_release_pipe(rsxadev);
} else {
ALOGD(" Non-NULL sink when opening input stream, refcount=%d", in->ref_count);
}
} else {
ALOGE("NULL sink when opening input stream, refcount=%d", in->ref_count);
}
}
pthread_mutex_unlock(&rsxadev->lock);
#else
@ -1436,7 +1452,9 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
in->read_counter_frames = 0;
in->output_standby = rsxadev->output_standby;
in->dev = rsxadev;
in->read_error_count = 0;
// Initialize the pipe.
ALOGV("adev_open_input_stream(): about to create pipe");
submix_audio_device_create_pipe(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES,
DEFAULT_PIPE_PERIOD_COUNT, in, NULL);
#if LOG_STREAMS_TO_FILES
@ -1456,7 +1474,7 @@ static void adev_close_input_stream(struct audio_hw_device *dev,
struct audio_stream_in *stream)
{
struct submix_stream_in * const in = audio_stream_in_get_submix_stream_in(stream);
ALOGV("adev_close_input_stream()");
ALOGD("adev_close_input_stream()");
submix_audio_device_destroy_pipe(audio_hw_device_get_submix_audio_device(dev), in, NULL);
#if LOG_STREAMS_TO_FILES
if (in->log_fd >= 0) close(in->log_fd);