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351 lines
9.5 KiB
351 lines
9.5 KiB
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "SineSource.h"
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#include <binder/ProcessState.h>
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#include <datasource/FileSource.h>
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#include <media/stagefright/foundation/ADebug.h>
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#include <media/stagefright/foundation/ALooper.h>
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#include <media/stagefright/foundation/AMessage.h>
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#include <media/stagefright/CameraSource.h>
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#include <media/stagefright/MediaBufferGroup.h>
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#include <media/stagefright/MediaDefs.h>
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#include <media/stagefright/MediaCodecSource.h>
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#include <media/stagefright/MetaData.h>
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#include <media/stagefright/MediaExtractor.h>
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#include <media/stagefright/MediaExtractorFactory.h>
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#include <media/stagefright/MPEG4Writer.h>
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#include <media/stagefright/SimpleDecodingSource.h>
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#include <media/MediaPlayerInterface.h>
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#include "AudioPlayer.h"
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using namespace android;
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static const int32_t kAudioBitRate = 12200;
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#if 0
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static const int32_t kFramerate = 24; // fps
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static const int32_t kIFramesIntervalSec = 1;
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static const int32_t kVideoBitRate = 512 * 1024;
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static const int64_t kDurationUs = 10000000LL; // 10 seconds
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class DummySource : public MediaSource {
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public:
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DummySource(int width, int height, int colorFormat)
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: mWidth(width),
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mHeight(height),
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mColorFormat(colorFormat),
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mSize((width * height * 3) / 2) {
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mGroup.add_buffer(new MediaBuffer(mSize));
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// Check the color format to make sure
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// that the buffer size mSize it set correctly above.
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CHECK(colorFormat == OMX_COLOR_FormatYUV420SemiPlanar ||
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colorFormat == OMX_COLOR_FormatYUV420Planar);
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}
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virtual sp<MetaData> getFormat() {
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sp<MetaData> meta = new MetaData;
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meta->setInt32(kKeyWidth, mWidth);
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meta->setInt32(kKeyHeight, mHeight);
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meta->setInt32(kKeyColorFormat, mColorFormat);
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meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
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return meta;
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}
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virtual status_t start(MetaData *params) {
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mNumFramesOutput = 0;
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return OK;
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}
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virtual status_t stop() {
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return OK;
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}
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virtual status_t read(
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MediaBuffer **buffer, const MediaSource::ReadOptions *options) {
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if (mNumFramesOutput == kFramerate * 10) {
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// Stop returning data after 10 secs.
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return ERROR_END_OF_STREAM;
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}
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// printf("DummySource::read\n");
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status_t err = mGroup.acquire_buffer(buffer);
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if (err != OK) {
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return err;
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}
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char x = (char)((double)rand() / RAND_MAX * 255);
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memset((*buffer)->data(), x, mSize);
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(*buffer)->set_range(0, mSize);
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(*buffer)->meta_data()->clear();
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(*buffer)->meta_data()->setInt64(
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kKeyTime, (mNumFramesOutput * 1000000) / kFramerate);
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++mNumFramesOutput;
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// printf("DummySource::read - returning buffer\n");
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// ALOGI("DummySource::read - returning buffer");
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return OK;
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}
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protected:
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virtual ~DummySource() {}
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private:
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MediaBufferGroup mGroup;
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int mWidth, mHeight;
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int mColorFormat;
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size_t mSize;
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int64_t mNumFramesOutput;;
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DummySource(const DummySource &);
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DummySource &operator=(const DummySource &);
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};
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sp<MediaSource> createSource(const char *filename) {
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sp<MediaSource> source;
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sp<MediaExtractor> extractor =
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MediaExtractorFactory::Create(new FileSource(filename));
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if (extractor == NULL) {
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return NULL;
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}
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size_t num_tracks = extractor->countTracks();
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sp<MetaData> meta;
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for (size_t i = 0; i < num_tracks; ++i) {
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meta = extractor->getTrackMetaData(i);
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CHECK(meta.get() != NULL);
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const char *mime;
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if (!meta->findCString(kKeyMIMEType, &mime)) {
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continue;
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}
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if (strncasecmp(mime, "video/", 6)) {
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continue;
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}
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source = extractor->getTrack(i);
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break;
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}
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return source;
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}
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enum {
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kYUV420SP = 0,
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kYUV420P = 1,
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};
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// returns -1 if mapping of the given color is unsuccessful
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// returns an omx color enum value otherwise
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static int translateColorToOmxEnumValue(int color) {
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switch (color) {
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case kYUV420SP:
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return OMX_COLOR_FormatYUV420SemiPlanar;
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case kYUV420P:
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return OMX_COLOR_FormatYUV420Planar;
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default:
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fprintf(stderr, "Unsupported color: %d\n", color);
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return -1;
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}
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}
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int main(int argc, char **argv) {
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android::ProcessState::self()->startThreadPool();
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#if 1
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if (argc != 3) {
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fprintf(stderr, "usage: %s <filename> <input_color_format>\n", argv[0]);
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fprintf(stderr, " <input_color_format>: 0 (YUV420SP) or 1 (YUV420P)\n");
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return 1;
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}
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int colorFormat = translateColorToOmxEnumValue(atoi(argv[2]));
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if (colorFormat == -1) {
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fprintf(stderr, "input color format must be 0 (YUV420SP) or 1 (YUV420P)\n");
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return 1;
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}
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status_t err = OK;
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#if 0
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sp<MediaSource> source = createSource(argv[1]);
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if (source == NULL) {
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fprintf(stderr, "Unable to find a suitable video track.\n");
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return 1;
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}
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sp<MetaData> meta = source->getFormat();
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sp<MediaSource> decoder = SimpleDecodingSource::Create(source);
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int width, height;
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bool success = meta->findInt32(kKeyWidth, &width);
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success = success && meta->findInt32(kKeyHeight, &height);
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CHECK(success);
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#else
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int width = 720;
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int height = 480;
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sp<MediaSource> decoder = new DummySource(width, height, colorFormat);
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#endif
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sp<AMessage> enc_meta = new AMessage;
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// enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
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// enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
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enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
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enc_meta->setInt32("width", width);
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enc_meta->setInt32("height", height);
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enc_meta->setInt32("sample-rate", kFramerate);
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enc_meta->setInt32("bitrate", kVideoBitRate);
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// enc_meta->setInt32("stride", width);
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// enc_meta->setInt32("slice-height", height);
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enc_meta->setInt32("i-frame-interval", kIFramesIntervalSec);
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enc_meta->setInt32("color-format", colorFormat);
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sp<MediaSource> encoder =
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MediaCodecSource::Create(looper, format, decoder);
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#if 1
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sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
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writer->addSource(encoder);
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writer->setMaxFileDuration(kDurationUs);
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CHECK_EQ((status_t)OK, writer->start());
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while (!writer->reachedEOS()) {
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fprintf(stderr, ".");
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usleep(100000);
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}
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err = writer->stop();
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#else
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CHECK_EQ((status_t)OK, encoder->start());
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MediaBuffer *buffer;
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while (encoder->read(&buffer) == OK) {
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printf(".");
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fflush(stdout);
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int32_t isSync;
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if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
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isSync = false;
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}
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printf("got an output frame of size %d%s\n", buffer->range_length(),
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isSync ? " (SYNC)" : "");
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buffer->release();
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buffer = NULL;
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}
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err = encoder->stop();
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#endif
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printf("$\n");
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#endif
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#if 0
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CameraSource *source = CameraSource::Create(
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String16(argv[0], strlen(argv[0])));
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source->start();
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printf("source = %p\n", source);
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for (int i = 0; i < 100; ++i) {
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MediaBuffer *buffer;
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status_t err = source->read(&buffer);
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CHECK_EQ(err, (status_t)OK);
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printf("got a frame, data=%p, size=%d\n",
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buffer->data(), buffer->range_length());
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buffer->release();
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buffer = NULL;
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}
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err = source->stop();
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delete source;
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source = NULL;
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#endif
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if (err != OK && err != ERROR_END_OF_STREAM) {
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fprintf(stderr, "record failed: %d\n", err);
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return 1;
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}
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return 0;
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}
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#else
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int main(int /* argc */, char ** /* argv */) {
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android::ProcessState::self()->startThreadPool();
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const int32_t kSampleRate = 22050;
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const int32_t kNumChannels = 2;
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sp<MediaSource> audioSource = new SineSource(kSampleRate, kNumChannels);
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#if 0
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sp<MediaPlayerBase::AudioSink> audioSink;
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AudioPlayer *player = new AudioPlayer(audioSink);
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player->setSource(audioSource);
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player->start();
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sleep(10);
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player->stop();
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#endif
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sp<AMessage> encMeta = new AMessage;
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encMeta->setString("mime",
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0 ? MEDIA_MIMETYPE_AUDIO_AMR_WB : MEDIA_MIMETYPE_AUDIO_AAC);
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encMeta->setInt32("sample-rate", kSampleRate);
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encMeta->setInt32("channel-count", kNumChannels);
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encMeta->setInt32("max-input-size", 8192);
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encMeta->setInt32("bitrate", kAudioBitRate);
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sp<ALooper> looper = new ALooper;
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looper->setName("record");
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looper->start();
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sp<MediaSource> encoder =
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MediaCodecSource::Create(looper, encMeta, audioSource);
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encoder->start();
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int32_t n = 0;
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status_t err;
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MediaBufferBase *buffer;
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while ((err = encoder->read(&buffer)) == OK) {
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printf(".");
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fflush(stdout);
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buffer->release();
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buffer = NULL;
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if (++n == 100) {
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break;
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}
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}
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printf("$\n");
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encoder->stop();
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return 0;
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}
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#endif
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