tests/mimeUri/slesTestPlayStreamType.cpp - platform/frameworks/wilhelm - Git at Google

 /*
  * Copyright (C) 2010 The Android Open Source Project
  *
  * 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.
  */

 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/time.h>

 #include <SLES/OpenSLES.h>
 #ifdef ANDROID
 #include <SLES/OpenSLES_Android.h>
 #endif


 #define MAX_NUMBER_INTERFACES 2


 //-----------------------------------------------------------------
 /* Exits the application if an error is encountered */
 #define ExitOnError(x) ExitOnErrorFunc(x,__LINE__)

 void ExitOnErrorFunc( SLresult result , int line)
 {
     if (SL_RESULT_SUCCESS != result) {
         fprintf(stdout, "%u error code encountered at line %d, exiting\n", result, line);
         exit(EXIT_FAILURE);
     }
 }


 //-----------------------------------------------------------------

 /* Play an audio URIs on the given stream type  */
 void TestStreamTypeConfiguration( SLObjectItf sl, const char* path, const SLint32 type)
 {
     SLresult  result;
     SLEngineItf EngineItf;

     /* Objects this application uses: one player and an ouput mix */
     SLObjectItf  player, outputMix;

     /* Source of audio data to play */
     SLDataSource      audioSource;
     SLDataLocator_URI uri;
     SLDataFormat_MIME mime;

     /* Data sinks for the audio player */
     SLDataSink               audioSink;
     SLDataLocator_OutputMix  locator_outputmix;

     /* Play, Volume and AndroidStreamType interfaces for the audio player */
     SLPlayItf              playItf;
     SLPrefetchStatusItf    prefetchItf;
 #ifdef ANDROID
     SLAndroidConfigurationItf configItf;
 #endif

     SLboolean required[MAX_NUMBER_INTERFACES];
     SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];

     /* Get the SL Engine Interface which is implicit */
     result = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf);
     ExitOnError(result);

     /* Initialize arrays required[] and iidArray[] */
     for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) {
         required[i] = SL_BOOLEAN_FALSE;
         iidArray[i] = SL_IID_NULL;
     }

     /* ------------------------------------------------------ */
     /* Configuration of the output mix  */

     /* Create Output Mix object to be used by the player */
      result = (*EngineItf)->CreateOutputMix(EngineItf, &outputMix, 0, iidArray, required);
      ExitOnError(result);

     /* Realize the Output Mix object in synchronous mode */
     result = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE);
     ExitOnError(result);

     /* Setup the data sink structure */
     locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
     locator_outputmix.outputMix   = outputMix;
     audioSink.pLocator            = (void*)&locator_outputmix;
     audioSink.pFormat             = NULL;

     /* ------------------------------------------------------ */
     /* Configuration of the player  */

     /* Set arrays required[] and iidArray[] for SLAndroidConfigurationItf interfaces */
     /*  (SLPlayItf is implicit) */
     required[0] = SL_BOOLEAN_TRUE;
     iidArray[0] = SL_IID_PREFETCHSTATUS;
 #ifdef ANDROID
     required[1] = SL_BOOLEAN_TRUE;
     iidArray[1] = SL_IID_ANDROIDCONFIGURATION;
 #endif


     /* Setup the data source structure for the URI */
     uri.locatorType = SL_DATALOCATOR_URI;
     uri.URI         =  (SLchar*) path;
     mime.formatType = SL_DATAFORMAT_MIME;
     /*     this is how ignored mime information is specified, according to OpenSL ES spec
      *     in 9.1.6 SLDataFormat_MIME and 8.23 SLMetadataTraversalItf GetChildInfo */
     mime.mimeType      = (SLchar*)NULL;
     mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED;

     audioSource.pFormat  = (void*)&mime;
     audioSource.pLocator = (void*)&uri;

     /* Create the audio player */
     result = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink,
             MAX_NUMBER_INTERFACES, iidArray, required);
     ExitOnError(result);

     /* Retrieve the configuration interface before the player is realized so its resources
      * can be configured.
      */
 #ifdef ANDROID
     result = (*player)->GetInterface(player, SL_IID_ANDROIDCONFIGURATION, (void*)&configItf);
     ExitOnError(result);

     /* Set the Android audio stream type on the player */
     result = (*configItf)->SetConfiguration(configItf,
             SL_ANDROID_KEY_STREAM_TYPE, &type, sizeof(SLint32));
     if (SL_RESULT_PARAMETER_INVALID == result) {
         fprintf(stderr, "invalid stream type %d\n", type);
     } else {
         ExitOnError(result);
     }
 #endif

     /* Realize the player in synchronous mode. */
     result = (*player)->Realize(player, SL_BOOLEAN_FALSE); ExitOnError(result);
     fprintf(stdout, "URI example: after Realize\n");

     /* Get the SLPlayItf, SLPrefetchStatusItf and SLAndroidConfigurationItf interfaces for player */
     result = (*player)->GetInterface(player, SL_IID_PLAY, (void*)&playItf);
     ExitOnError(result);

     result = (*player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf);
     ExitOnError(result);

     fprintf(stdout, "Player configured\n");

     /* ------------------------------------------------------ */
     /* Playback and test */

     /* Start the data prefetching by setting the player to the paused state */
     result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED );
     ExitOnError(result);

     /* Wait until there's data to play */
     SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
     while (prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) {
         usleep(100 * 1000);
         (*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus);
         ExitOnError(result);
     }

     /* Get duration */
     SLmillisecond durationInMsec = SL_TIME_UNKNOWN;
     result = (*playItf)->GetDuration(playItf, &durationInMsec);
     ExitOnError(result);
     if (durationInMsec == SL_TIME_UNKNOWN) {
         durationInMsec = 5000;
     }

     /* Start playback */
     result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING );
     ExitOnError(result);

     usleep((durationInMsec/2) * 1000);

 #ifdef ANDROID
     /* Get the stream type during playback  */
     SLint32 currentType = -1;
     SLuint32 valueSize = sizeof(SLint32) * 2; // trying too big on purpose
     result = (*configItf)->GetConfiguration(configItf,
             SL_ANDROID_KEY_STREAM_TYPE, &valueSize, NULL);
     ExitOnError(result);
     if (valueSize != sizeof(SLint32)) {
         fprintf(stderr, "ERROR: size for stream type is %u, should be %zu\n",
                 valueSize, sizeof(SLint32));
     }
     result = (*configItf)->GetConfiguration(configItf,
                 SL_ANDROID_KEY_STREAM_TYPE, &valueSize, &currentType);
     ExitOnError(result);
     if (currentType != type) {
         fprintf(stderr, "ERROR: stream type is %u, should be %u\n", currentType, type);
     }
 #endif

     usleep((durationInMsec/2) * 1000);

     /* Make sure player is stopped */
     fprintf(stdout, "Stopping playback\n");
     result = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED);
     ExitOnError(result);

 #ifdef ANDROID
     /* Try again to get the stream type, just in case it changed behind our back */
     result = (*configItf)->GetConfiguration(configItf,
             SL_ANDROID_KEY_STREAM_TYPE, &valueSize, &currentType);
     ExitOnError(result);
     if (currentType != type) {
         fprintf(stderr, "ERROR: stream type is %u, should be %u\n", currentType, type);
     }
 #endif

     /* Destroy the player */
     (*player)->Destroy(player);

     /* Destroy Output Mix object */
     (*outputMix)->Destroy(outputMix);
 }

 //-----------------------------------------------------------------
 int main(int argc, char* const argv[])
 {
     SLresult    result;
     SLObjectItf sl;

     fprintf(stdout, "OpenSL ES test %s: exercises SLPlayItf, SLAndroidConfigurationItf\n",
             argv[0]);
     fprintf(stdout, "and AudioPlayer with SLDataLocator_URI source / OutputMix sink\n");
     fprintf(stdout, "Plays a sound on the specified android stream type\n");

     if (argc < 3) {
         fprintf(stdout, "Usage: \t%s url stream_type\n", argv[0]);
         fprintf(stdout, " where stream_type is one of the SL_ANDROID_STREAM_ constants.\n");
         fprintf(stdout, "Example: \"%s /sdcard/my.mp3 5\" \n", argv[0]);
         fprintf(stdout, "Stream type %d is the default (media or music), %d is notifications\n",
             SL_ANDROID_STREAM_MEDIA, SL_ANDROID_STREAM_NOTIFICATION);
         return EXIT_FAILURE;
     }

     SLEngineOption EngineOption[] = {
             {(SLuint32) SL_ENGINEOPTION_THREADSAFE, (SLuint32) SL_BOOLEAN_TRUE}
     };

     result = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL);
     ExitOnError(result);

     /* Realizing the SL Engine in synchronous mode. */
     result = (*sl)->Realize(sl, SL_BOOLEAN_FALSE);
     ExitOnError(result);

     TestStreamTypeConfiguration(sl, argv[1], (SLint32)atoi(argv[2]));

     /* Shutdown OpenSL ES */
     (*sl)->Destroy(sl);

     return EXIT_SUCCESS;
 }
	/*
	* Copyright (C) 2010 The Android Open Source Project
	*
	* 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.
	*/

	#include <stdlib.h>
	#include <stdio.h>
	#include <string.h>
	#include <unistd.h>
	#include <sys/time.h>

	#include <SLES/OpenSLES.h>
	#ifdef ANDROID
	#include <SLES/OpenSLES_Android.h>
	#endif


	#define MAX_NUMBER_INTERFACES 2


	//-----------------------------------------------------------------
	/* Exits the application if an error is encountered */
	#define ExitOnError(x) ExitOnErrorFunc(x,__LINE__)

	void ExitOnErrorFunc( SLresult result , int line)
	{
	if (SL_RESULT_SUCCESS != result) {
	fprintf(stdout, "%u error code encountered at line %d, exiting\n", result, line);
	exit(EXIT_FAILURE);
	}
	}


	//-----------------------------------------------------------------

	/* Play an audio URIs on the given stream type */
	void TestStreamTypeConfiguration( SLObjectItf sl, const char* path, const SLint32 type)
	{
	SLresult result;
	SLEngineItf EngineItf;

	/* Objects this application uses: one player and an ouput mix */
	SLObjectItf player, outputMix;

	/* Source of audio data to play */
	SLDataSource audioSource;
	SLDataLocator_URI uri;
	SLDataFormat_MIME mime;

	/* Data sinks for the audio player */
	SLDataSink audioSink;
	SLDataLocator_OutputMix locator_outputmix;

	/* Play, Volume and AndroidStreamType interfaces for the audio player */
	SLPlayItf playItf;
	SLPrefetchStatusItf prefetchItf;
	#ifdef ANDROID
	SLAndroidConfigurationItf configItf;
	#endif

	SLboolean required[MAX_NUMBER_INTERFACES];
	SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];

	/* Get the SL Engine Interface which is implicit */
	result = (sl)->GetInterface(sl, SL_IID_ENGINE, (void)&EngineItf);
	ExitOnError(result);

	/* Initialize arrays required[] and iidArray[] */
	for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) {
	required[i] = SL_BOOLEAN_FALSE;
	iidArray[i] = SL_IID_NULL;
	}

	/* ------------------------------------------------------ */
	/* Configuration of the output mix */

	/* Create Output Mix object to be used by the player */
	result = (*EngineItf)->CreateOutputMix(EngineItf, &outputMix, 0, iidArray, required);
	ExitOnError(result);

	/* Realize the Output Mix object in synchronous mode */
	result = (*outputMix)->Realize(outputMix, SL_BOOLEAN_FALSE);
	ExitOnError(result);

	/* Setup the data sink structure */
	locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
	locator_outputmix.outputMix = outputMix;
	audioSink.pLocator = (void*)&locator_outputmix;
	audioSink.pFormat = NULL;

	/* ------------------------------------------------------ */
	/* Configuration of the player */

	/* Set arrays required[] and iidArray[] for SLAndroidConfigurationItf interfaces */
	/* (SLPlayItf is implicit) */
	required[0] = SL_BOOLEAN_TRUE;
	iidArray[0] = SL_IID_PREFETCHSTATUS;
	#ifdef ANDROID
	required[1] = SL_BOOLEAN_TRUE;
	iidArray[1] = SL_IID_ANDROIDCONFIGURATION;
	#endif


	/* Setup the data source structure for the URI */
	uri.locatorType = SL_DATALOCATOR_URI;
	uri.URI = (SLchar*) path;
	mime.formatType = SL_DATAFORMAT_MIME;
	/* this is how ignored mime information is specified, according to OpenSL ES spec
	* in 9.1.6 SLDataFormat_MIME and 8.23 SLMetadataTraversalItf GetChildInfo */
	mime.mimeType = (SLchar*)NULL;
	mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED;

	audioSource.pFormat = (void*)&mime;
	audioSource.pLocator = (void*)&uri;

	/* Create the audio player */
	result = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink,
	MAX_NUMBER_INTERFACES, iidArray, required);
	ExitOnError(result);

	/* Retrieve the configuration interface before the player is realized so its resources
	* can be configured.
	*/
	#ifdef ANDROID
	result = (player)->GetInterface(player, SL_IID_ANDROIDCONFIGURATION, (void)&configItf);
	ExitOnError(result);

	/* Set the Android audio stream type on the player */
	result = (*configItf)->SetConfiguration(configItf,
	SL_ANDROID_KEY_STREAM_TYPE, &type, sizeof(SLint32));
	if (SL_RESULT_PARAMETER_INVALID == result) {
	fprintf(stderr, "invalid stream type %d\n", type);
	} else {
	ExitOnError(result);
	}
	#endif

	/* Realize the player in synchronous mode. */
	result = (*player)->Realize(player, SL_BOOLEAN_FALSE); ExitOnError(result);
	fprintf(stdout, "URI example: after Realize\n");

	/* Get the SLPlayItf, SLPrefetchStatusItf and SLAndroidConfigurationItf interfaces for player */
	result = (player)->GetInterface(player, SL_IID_PLAY, (void)&playItf);
	ExitOnError(result);

	result = (player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void)&prefetchItf);
	ExitOnError(result);

	fprintf(stdout, "Player configured\n");

	/* ------------------------------------------------------ */
	/* Playback and test */

	/* Start the data prefetching by setting the player to the paused state */
	result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED );
	ExitOnError(result);

	/* Wait until there's data to play */
	SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
	while (prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) {
	usleep(100 * 1000);
	(*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus);
	ExitOnError(result);
	}

	/* Get duration */
	SLmillisecond durationInMsec = SL_TIME_UNKNOWN;
	result = (*playItf)->GetDuration(playItf, &durationInMsec);
	ExitOnError(result);
	if (durationInMsec == SL_TIME_UNKNOWN) {
	durationInMsec = 5000;
	}

	/* Start playback */
	result = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING );
	ExitOnError(result);

	usleep((durationInMsec/2) * 1000);

	#ifdef ANDROID
	/* Get the stream type during playback */
	SLint32 currentType = -1;
	SLuint32 valueSize = sizeof(SLint32) * 2; // trying too big on purpose
	result = (*configItf)->GetConfiguration(configItf,
	SL_ANDROID_KEY_STREAM_TYPE, &valueSize, NULL);
	ExitOnError(result);
	if (valueSize != sizeof(SLint32)) {
	fprintf(stderr, "ERROR: size for stream type is %u, should be %zu\n",
	valueSize, sizeof(SLint32));
	}
	result = (*configItf)->GetConfiguration(configItf,
	SL_ANDROID_KEY_STREAM_TYPE, &valueSize, &currentType);
	ExitOnError(result);
	if (currentType != type) {
	fprintf(stderr, "ERROR: stream type is %u, should be %u\n", currentType, type);
	}
	#endif

	usleep((durationInMsec/2) * 1000);

	/* Make sure player is stopped */
	fprintf(stdout, "Stopping playback\n");
	result = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED);
	ExitOnError(result);

	#ifdef ANDROID
	/* Try again to get the stream type, just in case it changed behind our back */
	result = (*configItf)->GetConfiguration(configItf,
	SL_ANDROID_KEY_STREAM_TYPE, &valueSize, &currentType);
	ExitOnError(result);
	if (currentType != type) {
	fprintf(stderr, "ERROR: stream type is %u, should be %u\n", currentType, type);
	}
	#endif

	/* Destroy the player */
	(*player)->Destroy(player);

	/* Destroy Output Mix object */
	(*outputMix)->Destroy(outputMix);
	}

	//-----------------------------------------------------------------
	int main(int argc, char* const argv[])
	{
	SLresult result;
	SLObjectItf sl;

	fprintf(stdout, "OpenSL ES test %s: exercises SLPlayItf, SLAndroidConfigurationItf\n",
	argv[0]);
	fprintf(stdout, "and AudioPlayer with SLDataLocator_URI source / OutputMix sink\n");
	fprintf(stdout, "Plays a sound on the specified android stream type\n");

	if (argc < 3) {
	fprintf(stdout, "Usage: \t%s url stream_type\n", argv[0]);
	fprintf(stdout, " where stream_type is one of the SL_ANDROID_STREAM_ constants.\n");
	fprintf(stdout, "Example: \"%s /sdcard/my.mp3 5\" \n", argv[0]);
	fprintf(stdout, "Stream type %d is the default (media or music), %d is notifications\n",
	SL_ANDROID_STREAM_MEDIA, SL_ANDROID_STREAM_NOTIFICATION);
	return EXIT_FAILURE;
	}

	SLEngineOption EngineOption[] = {
	{(SLuint32) SL_ENGINEOPTION_THREADSAFE, (SLuint32) SL_BOOLEAN_TRUE}
	};

	result = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL);
	ExitOnError(result);

	/* Realizing the SL Engine in synchronous mode. */
	result = (*sl)->Realize(sl, SL_BOOLEAN_FALSE);
	ExitOnError(result);

	TestStreamTypeConfiguration(sl, argv[1], (SLint32)atoi(argv[2]));

	/* Shutdown OpenSL ES */
	(*sl)->Destroy(sl);

	return EXIT_SUCCESS;
	}