Merge "Creating audio.stub.default for default HAL audio output"
diff --git a/modules/audio/Android.mk b/modules/audio/Android.mk
index a31c85f..ef4b8f5 100644
--- a/modules/audio/Android.mk
+++ b/modules/audio/Android.mk
@@ -31,6 +31,23 @@
include $(BUILD_SHARED_LIBRARY)
+# The stub audio HAL module, identical to the default audio hal, but with
+# different name to be loaded concurrently with other audio HALs if necessary.
+# This can also be used as skeleton for new implementations
+#
+# The format of the name is audio.<type>.<hardware/etc>.so where the only
+# required type is 'primary'. Other possibilites are 'a2dp', 'usb', etc.
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := audio.stub.default
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_SRC_FILES := audio_hw.c
+LOCAL_SHARED_LIBRARIES := liblog libcutils
+LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS := -Wno-unused-parameter
+
+include $(BUILD_SHARED_LIBRARY)
+
# The stub audio policy HAL module that can be used as a skeleton for
# new implementations.
include $(CLEAR_VARS)
diff --git a/modules/audio/audio_hw.c b/modules/audio/audio_hw.c
index 637e3f4..de8685d 100644
--- a/modules/audio/audio_hw.c
+++ b/modules/audio/audio_hw.c
@@ -48,65 +48,78 @@
static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate)
{
- return 0;
+ ALOGV("out_set_sample_rate: %d", 0);
+ return -ENOSYS;
}
static size_t out_get_buffer_size(const struct audio_stream *stream)
{
+ ALOGV("out_get_buffer_size: %d", 4096);
return 4096;
}
static audio_channel_mask_t out_get_channels(const struct audio_stream *stream)
{
+ ALOGV("out_get_channels");
return AUDIO_CHANNEL_OUT_STEREO;
}
static audio_format_t out_get_format(const struct audio_stream *stream)
{
+ ALOGV("out_get_format");
return AUDIO_FORMAT_PCM_16_BIT;
}
static int out_set_format(struct audio_stream *stream, audio_format_t format)
{
- return 0;
+ ALOGV("out_set_format: %d",format);
+ return -ENOSYS;
}
static int out_standby(struct audio_stream *stream)
{
+ ALOGV("out_standby");
+
return 0;
}
static int out_dump(const struct audio_stream *stream, int fd)
{
+ ALOGV("out_dump");
return 0;
}
static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
{
+ ALOGV("out_set_parameters");
return 0;
}
static char * out_get_parameters(const struct audio_stream *stream, const char *keys)
{
+ ALOGV("out_get_parameters");
return strdup("");
}
static uint32_t out_get_latency(const struct audio_stream_out *stream)
{
+ ALOGV("out_get_latency");
return 0;
}
static int out_set_volume(struct audio_stream_out *stream, float left,
float right)
{
+ ALOGV("out_set_volume: Left:%f Right:%f", left, right);
return 0;
}
static ssize_t out_write(struct audio_stream_out *stream, const void* buffer,
size_t bytes)
{
+ ALOGV("out_write: bytes: %d", bytes);
/* XXX: fake timing for audio output */
- usleep(bytes * 1000000 / audio_stream_out_frame_size(stream) /
+ usleep((int64_t)bytes * 1000000 / audio_stream_out_frame_size(stream) /
out_get_sample_rate(&stream->common));
return bytes;
}
@@ -114,43 +127,53 @@
static int out_get_render_position(const struct audio_stream_out *stream,
uint32_t *dsp_frames)
{
+ *dsp_frames = 0;
+ ALOGV("out_get_render_position: dsp_frames: %d", (int)dsp_frames);
return -EINVAL;
}
static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
+ ALOGV("out_add_audio_effect: %d", (int)effect);
return 0;
}
static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
+ ALOGV("out_remove_audio_effect: %d", (int)effect);
return 0;
}
static int out_get_next_write_timestamp(const struct audio_stream_out *stream,
int64_t *timestamp)
{
+ *timestamp = 0;
+ ALOGV("out_get_next_write_timestamp: %ld", (long int)(*timestamp));
return -EINVAL;
}
/** audio_stream_in implementation **/
static uint32_t in_get_sample_rate(const struct audio_stream *stream)
{
+ ALOGV("in_get_sample_rate");
return 8000;
}
static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate)
{
- return 0;
+ ALOGV("in_set_sample_rate: %d", rate);
+ return -ENOSYS;
}
static size_t in_get_buffer_size(const struct audio_stream *stream)
{
+ ALOGV("in_get_buffer_size: %d", 320);
return 320;
}
static audio_channel_mask_t in_get_channels(const struct audio_stream *stream)
{
+ ALOGV("in_get_channels: %d", AUDIO_CHANNEL_IN_MONO);
return AUDIO_CHANNEL_IN_MONO;
}
@@ -161,7 +184,7 @@
static int in_set_format(struct audio_stream *stream, audio_format_t format)
{
- return 0;
+ return -ENOSYS;
}
static int in_standby(struct audio_stream *stream)
@@ -193,9 +216,11 @@
static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
size_t bytes)
{
+ ALOGV("in_read: bytes %d", bytes);
/* XXX: fake timing for audio input */
- usleep(bytes * 1000000 / audio_stream_in_frame_size(stream) /
+ usleep((int64_t)bytes * 1000000 / audio_stream_in_frame_size(stream) /
in_get_sample_rate(&stream->common));
+ memset(buffer, 0, bytes);
return bytes;
}
@@ -222,6 +247,8 @@
struct audio_stream_out **stream_out,
const char *address __unused)
{
+ ALOGV("adev_open_output_stream...");
+
struct stub_audio_device *ladev = (struct stub_audio_device *)dev;
struct stub_stream_out *out;
int ret;
@@ -260,68 +287,81 @@
static void adev_close_output_stream(struct audio_hw_device *dev,
struct audio_stream_out *stream)
{
+ ALOGV("adev_close_output_stream...");
free(stream);
}
static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
{
+ ALOGV("adev_set_parameters");
return -ENOSYS;
}
static char * adev_get_parameters(const struct audio_hw_device *dev,
const char *keys)
{
- return NULL;
+ ALOGV("adev_get_parameters");
+ return strdup("");
}
static int adev_init_check(const struct audio_hw_device *dev)
{
+ ALOGV("adev_init_check");
return 0;
}
static int adev_set_voice_volume(struct audio_hw_device *dev, float volume)
{
+ ALOGV("adev_set_voice_volume: %f", volume);
return -ENOSYS;
}
static int adev_set_master_volume(struct audio_hw_device *dev, float volume)
{
+ ALOGV("adev_set_master_volume: %f", volume);
return -ENOSYS;
}
static int adev_get_master_volume(struct audio_hw_device *dev, float *volume)
{
+ ALOGV("adev_get_master_volume: %f", *volume);
return -ENOSYS;
}
static int adev_set_master_mute(struct audio_hw_device *dev, bool muted)
{
+ ALOGV("adev_set_master_mute: %d", muted);
return -ENOSYS;
}
static int adev_get_master_mute(struct audio_hw_device *dev, bool *muted)
{
+ ALOGV("adev_get_master_mute: %d", *muted);
return -ENOSYS;
}
static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode)
{
+ ALOGV("adev_set_mode: %d", mode);
return 0;
}
static int adev_set_mic_mute(struct audio_hw_device *dev, bool state)
{
+ ALOGV("adev_set_mic_mute: %d",state);
return -ENOSYS;
}
static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state)
{
+ ALOGV("adev_get_mic_mute");
return -ENOSYS;
}
static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev,
const struct audio_config *config)
{
+ ALOGV("adev_get_input_buffer_size: %d", 320);
return 320;
}
@@ -334,6 +374,8 @@
const char *address __unused,
audio_source_t source __unused)
{
+ ALOGV("adev_open_input_stream...");
+
struct stub_audio_device *ladev = (struct stub_audio_device *)dev;
struct stub_stream_in *in;
int ret;
@@ -370,16 +412,19 @@
static void adev_close_input_stream(struct audio_hw_device *dev,
struct audio_stream_in *in)
{
+ ALOGV("adev_close_input_stream...");
return;
}
static int adev_dump(const audio_hw_device_t *device, int fd)
{
+ ALOGV("adev_dump");
return 0;
}
static int adev_close(hw_device_t *device)
{
+ ALOGV("adev_close");
free(device);
return 0;
}
@@ -387,6 +432,8 @@
static int adev_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
+ ALOGV("adev_open: %s", name);
+
struct stub_audio_device *adev;
int ret;