android/author/PVMediaRecorder.cpp - platform/external/opencore - Git at Google

 /*
  * Copyright 2008, HTC Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 //#define LOG_NDEBUG 0
 #define LOG_TAG "PVMediaRecorder"
 #include <utils/Log.h>

 #include <media/PVMediaRecorder.h>
 #include <ui/ICamera.h>
 #include "authordriver.h"

 namespace android {

 PVMediaRecorder::PVMediaRecorder()
 {
     LOGV("constructor");
     mAuthorDriverWrapper = new AuthorDriverWrapper();
 }

 PVMediaRecorder::~PVMediaRecorder()
 {
     LOGV("destructor");
     delete mAuthorDriverWrapper;
 }

 status_t PVMediaRecorder::init()
 {
     LOGV("init");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     author_command *ac = new author_command(AUTHOR_INIT);
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setAudioSource(audio_source as)
 {
     LOGV("setAudioSource(%d)", as);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_audio_source_command *ac = new set_audio_source_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->as = as;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setVideoSource(video_source vs)
 {
     LOGV("setVideoSource(%d)", vs);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_video_source_command *ac = new set_video_source_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->vs = vs;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setOutputFormat(output_format of)
 {
     LOGV("setOutputFormat(%d)", of);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_output_format_command *ac = new set_output_format_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->of = of;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setOutputFile(const char *path)
 {
     LOGV("setOutputFile(%s)", path);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return NO_INIT;
     }

     // use file descriptor interface
     int fd = open(path, O_RDWR | O_CREAT, S_IWUSR);
     if (-1 == fd) {
         LOGE("Ln %d open() error %d", __LINE__, fd);
         return -errno;
     }
     return setOutputFile(fd, 0, 0);
 }

 status_t PVMediaRecorder::setOutputFile(int fd, int64_t offset, int64_t length)
 {
     LOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length);
     set_output_file_command *ac = new set_output_file_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return NO_MEMORY;
     }

     ac->fd = fd;
     ac->offset = offset;
     ac->length = length;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setParameters(const String8& params) {
     LOGV("setParameters(%s)", params.string());
     set_parameters_command *command = new set_parameters_command(params);
     if (command == NULL) {
         LOGE("failed to construct an author command");

         return NO_MEMORY;
     }

     return mAuthorDriverWrapper->enqueueCommand(
             command, NULL /* completion_func */, NULL /* completion_cookie */);
 }

 status_t PVMediaRecorder::setAudioEncoder(audio_encoder ae)
 {
     LOGV("setAudioEncoder(%d)", ae);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_audio_encoder_command *ac = new set_audio_encoder_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->ae = ae;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setVideoEncoder(video_encoder ve)
 {
     LOGV("setVideoEncoder(%d)", ve);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_video_encoder_command *ac = new set_video_encoder_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->ve = ve;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setVideoFrameRate(int frames_per_second)
 {
     LOGV("setVideoFrameRate(%d)", frames_per_second);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_video_frame_rate_command *ac = new set_video_frame_rate_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->rate = frames_per_second;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setVideoSize(int width, int height)
 {
     LOGV("setVideoSize(%d, %d)", width, height);
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_video_size_command *ac = new set_video_size_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->width = width;
     ac->height = height;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setCamera(const sp<ICamera>& camera)
 {
     LOGV("setCamera(%p)", camera.get());
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_camera_command *ac = new set_camera_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->camera = camera;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setPreviewSurface(const sp<ISurface>& surface)
 {
     LOGV("setPreviewSurface(%p)", surface.get());
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     set_preview_surface_command *ac = new set_preview_surface_command();
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     ac->surface = surface;
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::getMaxAmplitude(int *max)
 {
     LOGV("getMaxAmplitude");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     return mAuthorDriverWrapper->getMaxAmplitude(max);
 }

 status_t PVMediaRecorder::prepare()
 {
     LOGV("prepare");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     author_command *ac = new author_command(AUTHOR_PREPARE);
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::start()
 {
     LOGV("start");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     author_command *ac = new author_command(AUTHOR_START);
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 // Make sure that stop also calls PV author engine's Reset()
 // and Close() so that its internal state is maintained correctly
 status_t PVMediaRecorder::stop()
 {
     LOGV("stop");
     status_t ret = doStop();
     if (OK != ret)
     LOGE("stop failed");
     ret = reset();
     if (OK != ret)
     LOGE("reset failed");
     ret = close();
     if (OK != ret)
     LOGE("close failed");

     return ret;
 }

 status_t PVMediaRecorder::doStop()
 {
     LOGV("doStop");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     author_command *ac = new author_command(AUTHOR_STOP);
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::reset()
 {
     LOGV("reset");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     author_command *ac = new author_command(AUTHOR_RESET);
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     status_t ret = mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
     if (ret != OK) {
         LOGE("failed to do reset(%d)", ret);
         return UNKNOWN_ERROR;
     }
     ret = mAuthorDriverWrapper->enqueueCommand(new author_command(AUTHOR_REMOVE_VIDEO_SOURCE), 0, 0);
     if (ret != OK) {
         LOGE("failed to remove video source(%d)", ret);
         return UNKNOWN_ERROR;
     }
     ret = mAuthorDriverWrapper->enqueueCommand(new author_command(AUTHOR_REMOVE_AUDIO_SOURCE), 0, 0);
     if (ret != OK) {
         LOGE("failed to remove audio source(%d)", ret);
         return UNKNOWN_ERROR;
     }
     return ret;
 }

 status_t PVMediaRecorder::close()
 {
     LOGV("close");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }

     author_command *ac = new author_command(AUTHOR_CLOSE);
     if (ac == NULL) {
         LOGE("failed to construct an author command");
         return UNKNOWN_ERROR;
     }
     return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
 }

 status_t PVMediaRecorder::setListener(const sp<IMediaPlayerClient>& listener) {
     LOGV("setListener");
     if (mAuthorDriverWrapper == NULL) {
         LOGE("author driver wrapper is not initialized yet");
         return UNKNOWN_ERROR;
     }
     return mAuthorDriverWrapper->setListener(listener);
 }

 }; // namespace android
	/*
	* Copyright 2008, HTC Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	//#define LOG_NDEBUG 0
	#define LOG_TAG "PVMediaRecorder"
	#include <utils/Log.h>

	#include <media/PVMediaRecorder.h>
	#include <ui/ICamera.h>
	#include "authordriver.h"

	namespace android {

	PVMediaRecorder::PVMediaRecorder()
	{
	LOGV("constructor");
	mAuthorDriverWrapper = new AuthorDriverWrapper();
	}

	PVMediaRecorder::~PVMediaRecorder()
	{
	LOGV("destructor");
	delete mAuthorDriverWrapper;
	}

	status_t PVMediaRecorder::init()
	{
	LOGV("init");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	author_command *ac = new author_command(AUTHOR_INIT);
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setAudioSource(audio_source as)
	{
	LOGV("setAudioSource(%d)", as);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_audio_source_command *ac = new set_audio_source_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->as = as;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setVideoSource(video_source vs)
	{
	LOGV("setVideoSource(%d)", vs);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_video_source_command *ac = new set_video_source_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->vs = vs;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setOutputFormat(output_format of)
	{
	LOGV("setOutputFormat(%d)", of);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_output_format_command *ac = new set_output_format_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->of = of;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setOutputFile(const char *path)
	{
	LOGV("setOutputFile(%s)", path);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return NO_INIT;
	}

	// use file descriptor interface
	int fd = open(path, O_RDWR \| O_CREAT, S_IWUSR);
	if (-1 == fd) {
	LOGE("Ln %d open() error %d", __LINE__, fd);
	return -errno;
	}
	return setOutputFile(fd, 0, 0);
	}

	status_t PVMediaRecorder::setOutputFile(int fd, int64_t offset, int64_t length)
	{
	LOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length);
	set_output_file_command *ac = new set_output_file_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return NO_MEMORY;
	}

	ac->fd = fd;
	ac->offset = offset;
	ac->length = length;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setParameters(const String8& params) {
	LOGV("setParameters(%s)", params.string());
	set_parameters_command *command = new set_parameters_command(params);
	if (command == NULL) {
	LOGE("failed to construct an author command");

	return NO_MEMORY;
	}

	return mAuthorDriverWrapper->enqueueCommand(
	command, NULL /* completion_func /, NULL / completion_cookie */);
	}

	status_t PVMediaRecorder::setAudioEncoder(audio_encoder ae)
	{
	LOGV("setAudioEncoder(%d)", ae);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_audio_encoder_command *ac = new set_audio_encoder_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->ae = ae;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setVideoEncoder(video_encoder ve)
	{
	LOGV("setVideoEncoder(%d)", ve);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_video_encoder_command *ac = new set_video_encoder_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->ve = ve;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setVideoFrameRate(int frames_per_second)
	{
	LOGV("setVideoFrameRate(%d)", frames_per_second);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_video_frame_rate_command *ac = new set_video_frame_rate_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->rate = frames_per_second;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setVideoSize(int width, int height)
	{
	LOGV("setVideoSize(%d, %d)", width, height);
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_video_size_command *ac = new set_video_size_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->width = width;
	ac->height = height;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setCamera(const sp<ICamera>& camera)
	{
	LOGV("setCamera(%p)", camera.get());
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_camera_command *ac = new set_camera_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->camera = camera;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setPreviewSurface(const sp<ISurface>& surface)
	{
	LOGV("setPreviewSurface(%p)", surface.get());
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	set_preview_surface_command *ac = new set_preview_surface_command();
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	ac->surface = surface;
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::getMaxAmplitude(int *max)
	{
	LOGV("getMaxAmplitude");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	return mAuthorDriverWrapper->getMaxAmplitude(max);
	}

	status_t PVMediaRecorder::prepare()
	{
	LOGV("prepare");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	author_command *ac = new author_command(AUTHOR_PREPARE);
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::start()
	{
	LOGV("start");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	author_command *ac = new author_command(AUTHOR_START);
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	// Make sure that stop also calls PV author engine's Reset()
	// and Close() so that its internal state is maintained correctly
	status_t PVMediaRecorder::stop()
	{
	LOGV("stop");
	status_t ret = doStop();
	if (OK != ret)
	LOGE("stop failed");
	ret = reset();
	if (OK != ret)
	LOGE("reset failed");
	ret = close();
	if (OK != ret)
	LOGE("close failed");

	return ret;
	}

	status_t PVMediaRecorder::doStop()
	{
	LOGV("doStop");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	author_command *ac = new author_command(AUTHOR_STOP);
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::reset()
	{
	LOGV("reset");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	author_command *ac = new author_command(AUTHOR_RESET);
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	status_t ret = mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	if (ret != OK) {
	LOGE("failed to do reset(%d)", ret);
	return UNKNOWN_ERROR;
	}
	ret = mAuthorDriverWrapper->enqueueCommand(new author_command(AUTHOR_REMOVE_VIDEO_SOURCE), 0, 0);
	if (ret != OK) {
	LOGE("failed to remove video source(%d)", ret);
	return UNKNOWN_ERROR;
	}
	ret = mAuthorDriverWrapper->enqueueCommand(new author_command(AUTHOR_REMOVE_AUDIO_SOURCE), 0, 0);
	if (ret != OK) {
	LOGE("failed to remove audio source(%d)", ret);
	return UNKNOWN_ERROR;
	}
	return ret;
	}

	status_t PVMediaRecorder::close()
	{
	LOGV("close");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}

	author_command *ac = new author_command(AUTHOR_CLOSE);
	if (ac == NULL) {
	LOGE("failed to construct an author command");
	return UNKNOWN_ERROR;
	}
	return mAuthorDriverWrapper->enqueueCommand(ac, 0, 0);
	}

	status_t PVMediaRecorder::setListener(const sp<IMediaPlayerClient>& listener) {
	LOGV("setListener");
	if (mAuthorDriverWrapper == NULL) {
	LOGE("author driver wrapper is not initialized yet");
	return UNKNOWN_ERROR;
	}
	return mAuthorDriverWrapper->setListener(listener);
	}

	}; // namespace android