1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "SineSource.h"
18
19#include <inttypes.h>
20#include <binder/ProcessState.h>
21#include <media/stagefright/foundation/ADebug.h>
22#include <media/stagefright/AudioPlayer.h>
23#include <media/stagefright/MediaBufferGroup.h>
24#include <media/stagefright/MediaDefs.h>
25#include <media/stagefright/MetaData.h>
26#include <media/stagefright/MPEG4Writer.h>
27#include <media/stagefright/OMXClient.h>
28#include <media/stagefright/OMXCodec.h>
29#include <media/MediaPlayerInterface.h>
30
31using namespace android;
32
33// Print usage showing how to use this utility to record videos
34static void usage(const char *me) {
35    fprintf(stderr, "usage: %s\n", me);
36    fprintf(stderr, "       -h(elp)\n");
37    fprintf(stderr, "       -b bit rate in bits per second (default: 300000)\n");
38    fprintf(stderr, "       -c YUV420 color format: [0] semi planar or [1] planar or other omx YUV420 color format (default: 1)\n");
39    fprintf(stderr, "       -f frame rate in frames per second (default: 30)\n");
40    fprintf(stderr, "       -i I frame interval in seconds (default: 1)\n");
41    fprintf(stderr, "       -n number of frames to be recorded (default: 300)\n");
42    fprintf(stderr, "       -w width in pixels (default: 176)\n");
43    fprintf(stderr, "       -t height in pixels (default: 144)\n");
44    fprintf(stderr, "       -l encoder level. see omx il header (default: encoder specific)\n");
45    fprintf(stderr, "       -p encoder profile. see omx il header (default: encoder specific)\n");
46    fprintf(stderr, "       -v video codec: [0] AVC [1] M4V [2] H263 (default: 0)\n");
47    fprintf(stderr, "       -s(oftware) prefer software codec\n");
48    fprintf(stderr, "       -o filename: output file (default: /sdcard/output.mp4)\n");
49    exit(1);
50}
51
52class DummySource : public MediaSource {
53
54public:
55    DummySource(int width, int height, int nFrames, int fps, int colorFormat)
56        : mWidth(width),
57          mHeight(height),
58          mMaxNumFrames(nFrames),
59          mFrameRate(fps),
60          mColorFormat(colorFormat),
61          mSize((width * height * 3) / 2) {
62
63        mGroup.add_buffer(new MediaBuffer(mSize));
64    }
65
66    virtual sp<MetaData> getFormat() {
67        sp<MetaData> meta = new MetaData;
68        meta->setInt32(kKeyWidth, mWidth);
69        meta->setInt32(kKeyHeight, mHeight);
70        meta->setInt32(kKeyColorFormat, mColorFormat);
71        meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
72
73        return meta;
74    }
75
76    virtual status_t start(MetaData *params __unused) {
77        mNumFramesOutput = 0;
78        return OK;
79    }
80
81    virtual status_t stop() {
82        return OK;
83    }
84
85    virtual status_t read(
86            MediaBuffer **buffer, const MediaSource::ReadOptions *options __unused) {
87
88        if (mNumFramesOutput % 10 == 0) {
89            fprintf(stderr, ".");
90        }
91        if (mNumFramesOutput == mMaxNumFrames) {
92            return ERROR_END_OF_STREAM;
93        }
94
95        status_t err = mGroup.acquire_buffer(buffer);
96        if (err != OK) {
97            return err;
98        }
99
100        // We don't care about the contents. we just test video encoder
101        // Also, by skipping the content generation, we can return from
102        // read() much faster.
103#if 0
104        // iterate through solid planes of color.
105        static unsigned char x = 0x60;
106        memset((*buffer)->data(), x, mSize);
107        x = x >= 0xa0 ? 0x60 : x + 1;
108#endif
109        (*buffer)->set_range(0, mSize);
110        (*buffer)->meta_data()->clear();
111        (*buffer)->meta_data()->setInt64(
112                kKeyTime, (mNumFramesOutput * 1000000) / mFrameRate);
113        ++mNumFramesOutput;
114
115        return OK;
116    }
117
118protected:
119    virtual ~DummySource() {}
120
121private:
122    MediaBufferGroup mGroup;
123    int mWidth, mHeight;
124    int mMaxNumFrames;
125    int mFrameRate;
126    int mColorFormat;
127    size_t mSize;
128    int64_t mNumFramesOutput;;
129
130    DummySource(const DummySource &);
131    DummySource &operator=(const DummySource &);
132};
133
134enum {
135    kYUV420SP = 0,
136    kYUV420P  = 1,
137};
138
139// returns -1 if mapping of the given color is unsuccessful
140// returns an omx color enum value otherwise
141static int translateColorToOmxEnumValue(int color) {
142    switch (color) {
143        case kYUV420SP:
144            return OMX_COLOR_FormatYUV420SemiPlanar;
145        case kYUV420P:
146            return OMX_COLOR_FormatYUV420Planar;
147        default:
148            fprintf(stderr, "Custom OMX color format: %d\n", color);
149            if (color == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar ||
150                color == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
151                return color;
152            }
153    }
154    return -1;
155}
156
157int main(int argc, char **argv) {
158
159    // Default values for the program if not overwritten
160    int frameRateFps = 30;
161    int width = 176;
162    int height = 144;
163    int bitRateBps = 300000;
164    int iFramesIntervalSeconds = 1;
165    int colorFormat = OMX_COLOR_FormatYUV420Planar;
166    int nFrames = 300;
167    int level = -1;        // Encoder specific default
168    int profile = -1;      // Encoder specific default
169    int codec = 0;
170    const char *fileName = "/sdcard/output.mp4";
171    bool preferSoftwareCodec = false;
172
173    android::ProcessState::self()->startThreadPool();
174    int res;
175    while ((res = getopt(argc, argv, "b:c:f:i:n:w:t:l:p:v:o:hs")) >= 0) {
176        switch (res) {
177            case 'b':
178            {
179                bitRateBps = atoi(optarg);
180                break;
181            }
182
183            case 'c':
184            {
185                colorFormat = translateColorToOmxEnumValue(atoi(optarg));
186                if (colorFormat == -1) {
187                    usage(argv[0]);
188                }
189                break;
190            }
191
192            case 'f':
193            {
194                frameRateFps = atoi(optarg);
195                break;
196            }
197
198            case 'i':
199            {
200                iFramesIntervalSeconds = atoi(optarg);
201                break;
202            }
203
204            case 'n':
205            {
206                nFrames = atoi(optarg);
207                break;
208            }
209
210            case 'w':
211            {
212                width = atoi(optarg);
213                break;
214            }
215
216            case 't':
217            {
218                height = atoi(optarg);
219                break;
220            }
221
222            case 'l':
223            {
224                level = atoi(optarg);
225                break;
226            }
227
228            case 'p':
229            {
230                profile = atoi(optarg);
231                break;
232            }
233
234            case 'v':
235            {
236                codec = atoi(optarg);
237                if (codec < 0 || codec > 2) {
238                    usage(argv[0]);
239                }
240                break;
241            }
242
243            case 'o':
244            {
245                fileName = optarg;
246                break;
247            }
248
249            case 's':
250            {
251                preferSoftwareCodec = true;
252                break;
253            }
254
255            case 'h':
256            default:
257            {
258                usage(argv[0]);
259                break;
260            }
261        }
262    }
263
264    OMXClient client;
265    CHECK_EQ(client.connect(), (status_t)OK);
266
267    status_t err = OK;
268    sp<MediaSource> source =
269        new DummySource(width, height, nFrames, frameRateFps, colorFormat);
270
271    sp<MetaData> enc_meta = new MetaData;
272    switch (codec) {
273        case 1:
274            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
275            break;
276        case 2:
277            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
278            break;
279        default:
280            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
281            break;
282    }
283    enc_meta->setInt32(kKeyWidth, width);
284    enc_meta->setInt32(kKeyHeight, height);
285    enc_meta->setInt32(kKeyFrameRate, frameRateFps);
286    enc_meta->setInt32(kKeyBitRate, bitRateBps);
287    enc_meta->setInt32(kKeyStride, width);
288    enc_meta->setInt32(kKeySliceHeight, height);
289    enc_meta->setInt32(kKeyIFramesInterval, iFramesIntervalSeconds);
290    enc_meta->setInt32(kKeyColorFormat, colorFormat);
291    if (level != -1) {
292        enc_meta->setInt32(kKeyVideoLevel, level);
293    }
294    if (profile != -1) {
295        enc_meta->setInt32(kKeyVideoProfile, profile);
296    }
297
298    sp<MediaSource> encoder =
299        OMXCodec::Create(
300                client.interface(), enc_meta, true /* createEncoder */, source,
301                0, preferSoftwareCodec ? OMXCodec::kPreferSoftwareCodecs : 0);
302
303    sp<MPEG4Writer> writer = new MPEG4Writer(fileName);
304    writer->addSource(encoder);
305    int64_t start = systemTime();
306    CHECK_EQ((status_t)OK, writer->start());
307    while (!writer->reachedEOS()) {
308        usleep(100000);
309    }
310    err = writer->stop();
311    int64_t end = systemTime();
312
313    fprintf(stderr, "$\n");
314    client.disconnect();
315
316    if (err != OK && err != ERROR_END_OF_STREAM) {
317        fprintf(stderr, "record failed: %d\n", err);
318        return 1;
319    }
320    fprintf(stderr, "encoding %d frames in %" PRId64 " us\n", nFrames, (end-start)/1000);
321    fprintf(stderr, "encoding speed is: %.2f fps\n", (nFrames * 1E9) / (end-start));
322    return 0;
323}
324