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/*
* Copyright (C) 2009 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 "SineSource.h"
#include <binder/ProcessState.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/AudioPlayer.h>
#include <media/stagefright/CameraSource.h>
#include <media/stagefright/FileSource.h>
#include <media/stagefright/MediaBufferGroup.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MetaData.h>
#include <media/stagefright/MediaExtractor.h>
#include <media/stagefright/MPEG4Writer.h>
#include <media/stagefright/OMXClient.h>
#include <media/stagefright/OMXCodec.h>
#include <media/MediaPlayerInterface.h>
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 int64_t kDurationUs = 10000000LL; // 10 seconds
#if 0
class DummySource : public MediaSource {
public:
DummySource(int width, int height, int colorFormat)
: mWidth(width),
mHeight(height),
mColorFormat(colorFormat),
mSize((width * height * 3) / 2) {
mGroup.add_buffer(new MediaBuffer(mSize));
// Check the color format to make sure
// that the buffer size mSize it set correctly above.
CHECK(colorFormat == OMX_COLOR_FormatYUV420SemiPlanar ||
colorFormat == OMX_COLOR_FormatYUV420Planar);
}
virtual sp<MetaData> getFormat() {
sp<MetaData> meta = new MetaData;
meta->setInt32(kKeyWidth, mWidth);
meta->setInt32(kKeyHeight, mHeight);
meta->setInt32(kKeyColorFormat, mColorFormat);
meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
return meta;
}
virtual status_t start(MetaData *params) {
mNumFramesOutput = 0;
return OK;
}
virtual status_t stop() {
return OK;
}
virtual status_t read(
MediaBuffer **buffer, const MediaSource::ReadOptions *options) {
if (mNumFramesOutput == kFramerate * 10) {
// Stop returning data after 10 secs.
return ERROR_END_OF_STREAM;
}
// printf("DummySource::read\n");
status_t err = mGroup.acquire_buffer(buffer);
if (err != OK) {
return err;
}
char x = (char)((double)rand() / RAND_MAX * 255);
memset((*buffer)->data(), x, mSize);
(*buffer)->set_range(0, mSize);
(*buffer)->meta_data()->clear();
(*buffer)->meta_data()->setInt64(
kKeyTime, (mNumFramesOutput * 1000000) / kFramerate);
++mNumFramesOutput;
// printf("DummySource::read - returning buffer\n");
// ALOGI("DummySource::read - returning buffer");
return OK;
}
protected:
virtual ~DummySource() {}
private:
MediaBufferGroup mGroup;
int mWidth, mHeight;
int mColorFormat;
size_t mSize;
int64_t mNumFramesOutput;;
DummySource(const DummySource &);
DummySource &operator=(const DummySource &);
};
sp<MediaSource> createSource(const char *filename) {
sp<MediaSource> source;
sp<MediaExtractor> extractor =
MediaExtractor::Create(new FileSource(filename));
if (extractor == NULL) {
return NULL;
}
size_t num_tracks = extractor->countTracks();
sp<MetaData> meta;
for (size_t i = 0; i < num_tracks; ++i) {
meta = extractor->getTrackMetaData(i);
CHECK(meta.get() != NULL);
const char *mime;
if (!meta->findCString(kKeyMIMEType, &mime)) {
continue;
}
if (strncasecmp(mime, "video/", 6)) {
continue;
}
source = extractor->getTrack(i);
break;
}
return source;
}
enum {
kYUV420SP = 0,
kYUV420P = 1,
};
// returns -1 if mapping of the given color is unsuccessful
// returns an omx color enum value otherwise
static int translateColorToOmxEnumValue(int color) {
switch (color) {
case kYUV420SP:
return OMX_COLOR_FormatYUV420SemiPlanar;
case kYUV420P:
return OMX_COLOR_FormatYUV420Planar;
default:
fprintf(stderr, "Unsupported color: %d\n", color);
return -1;
}
}
int main(int argc, char **argv) {
android::ProcessState::self()->startThreadPool();
DataSource::RegisterDefaultSniffers();
#if 1
if (argc != 3) {
fprintf(stderr, "usage: %s <filename> <input_color_format>\n", argv[0]);
fprintf(stderr, " <input_color_format>: 0 (YUV420SP) or 1 (YUV420P)\n");
return 1;
}
int colorFormat = translateColorToOmxEnumValue(atoi(argv[2]));
if (colorFormat == -1) {
fprintf(stderr, "input color format must be 0 (YUV420SP) or 1 (YUV420P)\n");
return 1;
}
OMXClient client;
CHECK_EQ(client.connect(), (status_t)OK);
status_t err = OK;
#if 0
sp<MediaSource> source = createSource(argv[1]);
if (source == NULL) {
fprintf(stderr, "Unable to find a suitable video track.\n");
return 1;
}
sp<MetaData> meta = source->getFormat();
sp<MediaSource> decoder = OMXCodec::Create(
client.interface(), meta, false /* createEncoder */, source);
int width, height;
bool success = meta->findInt32(kKeyWidth, &width);
success = success && meta->findInt32(kKeyHeight, &height);
CHECK(success);
#else
int width = 720;
int height = 480;
sp<MediaSource> decoder = new DummySource(width, height, colorFormat);
#endif
sp<MetaData> enc_meta = new MetaData;
// enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
// enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
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, colorFormat);
sp<MediaSource> encoder =
OMXCodec::Create(
client.interface(), enc_meta, true /* createEncoder */, decoder);
#if 1
sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
writer->addSource(encoder);
writer->setMaxFileDuration(kDurationUs);
CHECK_EQ((status_t)OK, writer->start());
while (!writer->reachedEOS()) {
fprintf(stderr, ".");
usleep(100000);
}
err = writer->stop();
#else
CHECK_EQ((status_t)OK, encoder->start());
MediaBuffer *buffer;
while (encoder->read(&buffer) == OK) {
printf(".");
fflush(stdout);
int32_t isSync;
if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
isSync = false;
}
printf("got an output frame of size %d%s\n", buffer->range_length(),
isSync ? " (SYNC)" : "");
buffer->release();
buffer = NULL;
}
err = encoder->stop();
#endif
printf("$\n");
client.disconnect();
#endif
#if 0
CameraSource *source = CameraSource::Create(
String16(argv[0], strlen(argv[0])));
source->start();
printf("source = %p\n", source);
for (int i = 0; i < 100; ++i) {
MediaBuffer *buffer;
status_t err = source->read(&buffer);
CHECK_EQ(err, (status_t)OK);
printf("got a frame, data=%p, size=%d\n",
buffer->data(), buffer->range_length());
buffer->release();
buffer = NULL;
}
err = source->stop();
delete source;
source = NULL;
#endif
if (err != OK && err != ERROR_END_OF_STREAM) {
fprintf(stderr, "record failed: %d\n", err);
return 1;
}
return 0;
}
#else
int main(int /* argc */, char ** /* argv */) {
android::ProcessState::self()->startThreadPool();
OMXClient client;
CHECK_EQ(client.connect(), (status_t)OK);
const int32_t kSampleRate = 22050;
const int32_t kNumChannels = 2;
sp<MediaSource> audioSource = new SineSource(kSampleRate, kNumChannels);
#if 0
sp<MediaPlayerBase::AudioSink> audioSink;
AudioPlayer *player = new AudioPlayer(audioSink);
player->setSource(audioSource);
player->start();
sleep(10);
player->stop();
#endif
sp<MetaData> encMeta = new MetaData;
encMeta->setCString(kKeyMIMEType,
0 ? MEDIA_MIMETYPE_AUDIO_AMR_WB : MEDIA_MIMETYPE_AUDIO_AAC);
encMeta->setInt32(kKeySampleRate, kSampleRate);
encMeta->setInt32(kKeyChannelCount, kNumChannels);
encMeta->setInt32(kKeyMaxInputSize, 8192);
encMeta->setInt32(kKeyBitRate, kAudioBitRate);
sp<MediaSource> encoder =
OMXCodec::Create(client.interface(), encMeta, true, audioSource);
encoder->start();
int32_t n = 0;
status_t err;
MediaBuffer *buffer;
while ((err = encoder->read(&buffer)) == OK) {
printf(".");
fflush(stdout);
buffer->release();
buffer = NULL;
if (++n == 100) {
break;
}
}
printf("$\n");
encoder->stop();
client.disconnect();
return 0;
}
#endif