1/*
2 * Copyright (C) 2011 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#define LOG_NDEBUG 1
18#define LOG_TAG "DummyVideoSource"
19#include "utils/Log.h"
20
21#include <media/stagefright/MediaErrors.h>
22#include <media/stagefright/MediaDebug.h>
23#include <media/stagefright/MediaDefs.h>
24#include <media/stagefright/MediaBuffer.h>
25#include <media/stagefright/MediaBufferGroup.h>
26#include <media/stagefright/MetaData.h>
27
28#include "DummyVideoSource.h"
29
30/* Android includes*/
31#include <utils/Log.h>
32#include <memory.h>
33
34
35#define LOG1 LOGE    /*ERRORS Logging*/
36#define LOG2 LOGV    /*WARNING Logging*/
37#define LOG3 //LOGV    /*COMMENTS Logging*/
38
39
40namespace android {
41
42
43sp<DummyVideoSource> DummyVideoSource::Create (
44            uint32_t width, uint32_t height,
45            uint64_t clipDuration, const char *imageUri) {
46    LOG2("DummyVideoSource::Create ");
47    sp<DummyVideoSource> vSource = new DummyVideoSource (
48                         width, height, clipDuration, imageUri);
49    return vSource;
50}
51
52
53DummyVideoSource::DummyVideoSource (
54            uint32_t width, uint32_t height,
55            uint64_t clipDuration, const char *imageUri) {
56
57    LOG2("DummyVideoSource::DummyVideoSource constructor START");
58    mFrameWidth = width;
59    mFrameHeight = height;
60    mImageClipDuration = clipDuration;
61    mUri = imageUri;
62    mImageBuffer = NULL;
63
64    LOG2("DummyVideoSource::DummyVideoSource constructor END");
65}
66
67
68DummyVideoSource::~DummyVideoSource () {
69    /* Do nothing here? */
70    LOG2("DummyVideoSource::~DummyVideoSource");
71}
72
73
74
75status_t DummyVideoSource::start(MetaData *params) {
76    status_t err = OK;
77    LOG2("DummyVideoSource::start START, %s", mUri);
78    //get the frame buffer from the rgb file and store into a MediaBuffer
79    err = LvGetImageThumbNail((const char *)mUri,
80                          mFrameHeight , mFrameWidth ,
81                          (M4OSA_Void **)&mImageBuffer);
82
83    mIsFirstImageFrame = true;
84    mImageSeekTime = 0;
85    mImagePlayStartTime = 0;
86    mFrameTimeUs = 0;
87    LOG2("DummyVideoSource::start END");
88
89    return err;
90}
91
92
93status_t DummyVideoSource::stop() {
94    status_t err = OK;
95
96    LOG2("DummyVideoSource::stop START");
97    if (mImageBuffer != NULL) {
98        free(mImageBuffer);
99        mImageBuffer = NULL;
100    }
101    LOG2("DummyVideoSource::stop END");
102
103    return err;
104}
105
106
107sp<MetaData> DummyVideoSource::getFormat() {
108    LOG2("DummyVideoSource::getFormat");
109
110    sp<MetaData> meta = new MetaData;
111
112    meta->setInt32(kKeyColorFormat, OMX_COLOR_FormatYUV420Planar);
113    meta->setInt32(kKeyWidth, mFrameWidth);
114    meta->setInt32(kKeyHeight, mFrameHeight);
115    meta->setInt64(kKeyDuration, mImageClipDuration);
116    meta->setCString(kKeyDecoderComponent, "DummyVideoSource");
117
118    return meta;
119}
120
121status_t DummyVideoSource::read(
122                        MediaBuffer **out,
123                        const MediaSource::ReadOptions *options) {
124    status_t err = OK;
125    MediaBuffer *buffer;
126    LOG2("DummyVideoSource::read START");
127
128    bool seeking = false;
129    int64_t seekTimeUs;
130    ReadOptions::SeekMode seekMode;
131
132    if (options && options->getSeekTo(&seekTimeUs, &seekMode)) {
133        seeking = true;
134        mImageSeekTime = seekTimeUs;
135        M4OSA_clockGetTime(&mImagePlayStartTime, 1000); //1000 time scale for time in ms
136    }
137
138    if ((mImageSeekTime == mImageClipDuration) || (mFrameTimeUs == (int64_t)mImageClipDuration)) {
139        LOG2("DummyVideoSource::read() End of stream reached; return NULL buffer");
140        *out = NULL;
141        return ERROR_END_OF_STREAM;
142    }
143
144    buffer = new MediaBuffer(mImageBuffer, (mFrameWidth*mFrameHeight*1.5));
145
146    //set timestamp of buffer
147    if (mIsFirstImageFrame) {
148        M4OSA_clockGetTime(&mImagePlayStartTime, 1000); //1000 time scale for time in ms
149        mFrameTimeUs =  (mImageSeekTime + 1);
150        LOG2("DummyVideoSource::read() jpg 1st frame timeUs = %lld, begin cut time = %ld", mFrameTimeUs, mImageSeekTime);
151        mIsFirstImageFrame = false;
152    } else {
153        M4OSA_Time  currentTimeMs;
154        M4OSA_clockGetTime(&currentTimeMs, 1000);
155
156        mFrameTimeUs = mImageSeekTime + (currentTimeMs - mImagePlayStartTime)*1000;
157        LOG2("DummyVideoSource::read() jpg frame timeUs = %lld", mFrameTimeUs);
158    }
159    buffer->meta_data()->setInt64(kKeyTime, mFrameTimeUs);
160    buffer->set_range(buffer->range_offset(), mFrameWidth*mFrameHeight*1.5);
161    *out = buffer;
162    return err;
163}
164
165}// namespace android
166