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authorJames Dong <jdong@google.com>2010-09-30 21:34:12 -0700
committerJames Dong <jdong@google.com>2010-09-30 21:40:14 -0700
commitb5742452e07d608c0570ba0e1f453796bc30bd50 (patch)
tree2e3eb000d2b6c1a53afd733bb41940983e6efd16 /cmds
parent4e2affec16d53bd5943c5738233384526a25f915 (diff)
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Add a video record utility
Change-Id: I3aa7cadf399aa319ee9ca3f391fd8599742bfb7e
Diffstat (limited to 'cmds')
-rw-r--r--cmds/stagefright/Android.mk25
-rw-r--r--cmds/stagefright/recordvideo.cpp309
2 files changed, 334 insertions, 0 deletions
diff --git a/cmds/stagefright/Android.mk b/cmds/stagefright/Android.mk
index 9a97284..cbdf119 100644
--- a/cmds/stagefright/Android.mk
+++ b/cmds/stagefright/Android.mk
@@ -53,6 +53,31 @@ include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
SineSource.cpp \
+ recordvideo.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libstagefright liblog libutils libbinder
+
+LOCAL_C_INCLUDES:= \
+ $(JNI_H_INCLUDE) \
+ frameworks/base/media/libstagefright \
+ $(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include
+
+LOCAL_CFLAGS += -Wno-multichar
+
+LOCAL_MODULE_TAGS := debug
+
+LOCAL_MODULE:= recordvideo
+
+include $(BUILD_EXECUTABLE)
+
+
+################################################################################
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ SineSource.cpp \
audioloop.cpp
LOCAL_SHARED_LIBRARIES := \
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;
+}