Add a video record utility

Change-Id: I3aa7cadf399aa319ee9ca3f391fd8599742bfb7e

1 files changed, 309 insertions, 0 deletions

diff --git a/cmds/stagefright/recordvideo.cpp b/cmds/stagefright/recordvideo.cpp
new file mode 100644
index 0000000..330fbc2
--- /dev/null
+++ b/cmds/stagefright/recordvideo.cpp
@@ -0,0 +1,309 @@
+/*
+ * 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 "SineSource.h"
+
+#include <binder/ProcessState.h>
+#include <media/stagefright/AudioPlayer.h>
+#include <media/stagefright/FileSource.h>
+#include <media/stagefright/MediaBufferGroup.h>
+#include <media/stagefright/MediaDebug.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;
+
+// print usage showing how to use this utility to record videos
+static void usage(const char *me) {
+    fprintf(stderr, "usage: %s\n", me);
+    fprintf(stderr, "       -h(elp)\n");
+    fprintf(stderr, "       -b bit rate in bits per second (default 300000)\n");
+    fprintf(stderr, "       -c YUV420 color format: [0] semi planar or [1] planar (default 1)\n");
+    fprintf(stderr, "       -f frame rate in frames per second (default 30)\n");
+    fprintf(stderr, "       -i I frame interval in seconds (default 1)\n");
+    fprintf(stderr, "       -n number of frames to be recorded (default 300)\n");
+    fprintf(stderr, "       -w width in pixels (default 176)\n");
+    fprintf(stderr, "       -t height in pixels (default 144)\n");
+    fprintf(stderr, "       -v video codec: [0] AVC [1] M4V [2] H263 (default 0)\n");
+    exit(1);
+}
+
+class DummySource : public MediaSource {
+
+public:
+    DummySource(int width, int height, int nFrames, int fps, int colorFormat)
+        : mWidth(width),
+          mHeight(height),
+          mMaxNumFrames(nFrames),
+          mFrameRate(fps),
+          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 % 10 == 0) {
+            fprintf(stderr, ".");
+        }
+        if (mNumFramesOutput == mMaxNumFrames) {
+            return ERROR_END_OF_STREAM;
+        }
+
+        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) / mFrameRate);
+        ++mNumFramesOutput;
+
+        return OK;
+    }
+
+protected:
+    virtual ~DummySource() {}
+
+private:
+    MediaBufferGroup mGroup;
+    int mWidth, mHeight;
+    int mMaxNumFrames;
+    int mFrameRate;
+    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) {
+
+    // Default values for the program if not overwritten
+    int frameRateFps = 30;
+    int width = 176;
+    int height = 144;
+    int bitRateBps = 300000;
+    int iFramesIntervalSeconds = 1;
+    int colorFormat = OMX_COLOR_FormatYUV420Planar;
+    int nFrames = 300;
+    int codec = 0;
+    const char *fileName = "/sdcard/output.mp4";
+
+    android::ProcessState::self()->startThreadPool();
+    int res;
+    while ((res = getopt(argc, argv, "b:c:f:i:n:w:t:v:o:h")) >= 0) {
+        switch (res) {
+            case 'b':
+            {
+                bitRateBps = atoi(optarg);
+                break;
+            }
+
+            case 'c':
+            {
+                colorFormat = translateColorToOmxEnumValue(atoi(optarg));
+                if (colorFormat == -1) {
+                    usage(argv[0]);
+                }
+                break;
+            }
+
+            case 'f':
+            {
+                frameRateFps = atoi(optarg);
+                break;
+            }
+
+            case 'i':
+            {
+                iFramesIntervalSeconds = atoi(optarg);
+                break;
+            }
+
+            case 'n':
+            {
+                nFrames = atoi(optarg);
+                break;
+            }
+
+            case 'w':
+            {
+                width = atoi(optarg);
+                break;
+            }
+
+            case 't':
+            {
+                height = atoi(optarg);
+                break;
+            }
+
+            case 'v':
+            {
+                codec = atoi(optarg);
+                if (codec < 0 || codec > 2) {
+                    usage(argv[0]);
+                }
+                break;
+            }
+
+            case 'h':
+            default:
+            {
+                usage(argv[0]);
+                break;
+            }
+        }
+    }
+
+    OMXClient client;
+    CHECK_EQ(client.connect(), OK);
+
+    status_t err = OK;
+    sp<MediaSource> decoder = new DummySource(width, height, nFrames, frameRateFps, colorFormat);
+
+    sp<MetaData> enc_meta = new MetaData;
+    switch (codec) {
+        case 1:
+            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
+            break;
+        case 2:
+            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
+            break;
+        default:
+            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
+            break;
+    }
+    enc_meta->setInt32(kKeyWidth, width);
+    enc_meta->setInt32(kKeyHeight, height);
+    enc_meta->setInt32(kKeySampleRate, frameRateFps);
+    enc_meta->setInt32(kKeyBitRate, bitRateBps);
+    enc_meta->setInt32(kKeyStride, width);
+    enc_meta->setInt32(kKeySliceHeight, height);
+    enc_meta->setInt32(kKeyIFramesInterval, iFramesIntervalSeconds);
+    enc_meta->setInt32(kKeyColorFormat, colorFormat);
+
+    sp<MediaSource> encoder =
+        OMXCodec::Create(
+                client.interface(), enc_meta, true /* createEncoder */, decoder);
+
+    sp<MPEG4Writer> writer = new MPEG4Writer(fileName);
+    writer->addSource(encoder);
+    int64_t start = systemTime();
+    CHECK_EQ(OK, writer->start());
+    while (!writer->reachedEOS()) {
+    }
+    err = writer->stop();
+    int64_t end = systemTime();
+
+    printf("$\n");
+    client.disconnect();
+
+    if (err != OK && err != ERROR_END_OF_STREAM) {
+        fprintf(stderr, "record failed: %d\n", err);
+        return 1;
+    }
+    fprintf(stderr, "encoding %d frames in %lld us\n", nFrames, (end-start)/1000);
+    fprintf(stderr, "encoding speed is: %.2f fps\n", (nFrames * 1E9) / (end-start));
+    return 0;
+}