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Commit d31c89f4 authored by James Dong's avatar James Dong
Browse files

Add some encoding parameters for the "record" utility 

- TODO: remove some of the hard coded values

Change-Id: Ib58bbb8af45fd102176ac49da0a71613a12fa5fc
parent 6eb5ac9c

cmds/stagefright/record.cpp

+19 −1
Original line number Diff line number Diff line
@@ -32,9 +32,15 @@ 


using namespace android;



static const int32_t kFramerate = 24;  // fps

static const int32_t kIFramesIntervalSec = 1;

static const int32_t kVideoBitRate = 512 * 1024;

static const int32_t kAudioBitRate = 12200;

static const int32_t kColorFormat = OMX_COLOR_FormatYUV420SemiPlanar;

static const int64_t kDurationUs = 10000000LL;  // 10 seconds



#if 1

class DummySource : public MediaSource {

    static const int32_t kFramerate = 24;  // fps



public:

    DummySource(int width, int height)
@@ -176,6 +182,12 @@ int main(int argc, char **argv) { 
    enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);

    enc_meta->setInt32(kKeyWidth, width);

    enc_meta->setInt32(kKeyHeight, height);

    enc_meta->setInt32(kKeySampleRate, kFramerate);

    enc_meta->setInt32(kKeyBitRate, kVideoBitRate);

    enc_meta->setInt32(kKeyStride, width);

    enc_meta->setInt32(kKeySliceHeight, height);

    enc_meta->setInt32(kKeyIFramesInterval, kIFramesIntervalSec);

    enc_meta->setInt32(kKeyColorFormat, kColorFormat);



    sp<MediaSource> encoder =

        OMXCodec::Create(
@@ -184,8 +196,10 @@ int main(int argc, char **argv) { 
#if 1

    sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");

    writer->addSource(encoder);

    writer->setMaxFileDuration(kDurationUs);

    writer->start();

    while (!writer->reachedEOS()) {

        fprintf(stderr, ".");

        usleep(100000);

    }

    writer->stop();
@@ -194,6 +208,8 @@ int main(int argc, char **argv) { 


    MediaBuffer *buffer;

    while (encoder->read(&buffer) == OK) {

        printf(".");

        fflush(stdout);

        int32_t isSync;

        if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {

            isSync = false;
@@ -209,6 +225,7 @@ int main(int argc, char **argv) { 
    encoder->stop();

#endif



    printf("$\n");

    client.disconnect();

#endif
@@ -267,6 +284,7 @@ int main(int argc, char **argv) { 
    encMeta->setInt32(kKeySampleRate, kSampleRate);

    encMeta->setInt32(kKeyChannelCount, kNumChannels);

    encMeta->setInt32(kKeyMaxInputSize, 8192);

    encMeta->setInt32(kKeyBitRate, kAudioBitRate);



    sp<MediaSource> encoder =

        OMXCodec::Create(client.interface(), encMeta, true, audioSource);