1 #include "SineSource.h" 2 3 #include <binder/ProcessState.h> 4 #include <media/mediarecorder.h> 5 #include <media/stagefright/foundation/ADebug.h> 6 #include <media/stagefright/AMRWriter.h> 7 #include <media/stagefright/AudioPlayer.h> 8 #include <media/stagefright/AudioSource.h> 9 #include <media/stagefright/MediaDefs.h> 10 #include <media/stagefright/MetaData.h> 11 #include <media/stagefright/OMXClient.h> 12 #include <media/stagefright/OMXCodec.h> 13 14 #include <system/audio.h> 15 16 using namespace android; 17 18 int main() { 19 // We only have an AMR-WB encoder on sholes... 20 static bool outputWBAMR = false; 21 static const int32_t kSampleRate = outputWBAMR ? 16000 : 8000; 22 static const int32_t kNumChannels = 1; 23 24 android::ProcessState::self()->startThreadPool(); 25 26 OMXClient client; 27 CHECK_EQ(client.connect(), (status_t)OK); 28 29 #if 0 30 sp<MediaSource> source = new SineSource(kSampleRate, kNumChannels); 31 #else 32 sp<MediaSource> source = new AudioSource( 33 AUDIO_SOURCE_DEFAULT, 34 kSampleRate, 35 audio_channel_in_mask_from_count(kNumChannels)); 36 #endif 37 38 sp<MetaData> meta = new MetaData; 39 40 meta->setCString( 41 kKeyMIMEType, 42 outputWBAMR ? MEDIA_MIMETYPE_AUDIO_AMR_WB 43 : MEDIA_MIMETYPE_AUDIO_AMR_NB); 44 45 meta->setInt32(kKeyChannelCount, kNumChannels); 46 meta->setInt32(kKeySampleRate, kSampleRate); 47 48 int32_t maxInputSize; 49 if (source->getFormat()->findInt32(kKeyMaxInputSize, &maxInputSize)) { 50 meta->setInt32(kKeyMaxInputSize, maxInputSize); 51 } 52 53 sp<MediaSource> encoder = OMXCodec::Create( 54 client.interface(), 55 meta, true /* createEncoder */, 56 source); 57 58 #if 1 59 sp<AMRWriter> writer = new AMRWriter("/sdcard/out.amr"); 60 writer->addSource(encoder); 61 writer->start(); 62 sleep(10); 63 writer->stop(); 64 #else 65 sp<MediaSource> decoder = OMXCodec::Create( 66 client.interface(), 67 meta, false /* createEncoder */, 68 encoder); 69 70 #if 0 71 AudioPlayer *player = new AudioPlayer(NULL); 72 player->setSource(decoder); 73 74 player->start(); 75 76 sleep(10); 77 78 player->stop(); 79 80 delete player; 81 player = NULL; 82 #elif 0 83 CHECK_EQ(decoder->start(), (status_t)OK); 84 85 MediaBuffer *buffer; 86 while (decoder->read(&buffer) == OK) { 87 // do something with buffer 88 89 putchar('.'); 90 fflush(stdout); 91 92 buffer->release(); 93 buffer = NULL; 94 } 95 96 CHECK_EQ(decoder->stop(), (status_t)OK); 97 #endif 98 #endif 99 100 return 0; 101 } 102