1/*
2 * Copyright (C) 2009 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_TAG "OmxJpegDecoder"
18#include <sys/time.h>
19#include <utils/Log.h>
20
21#include <binder/ProcessState.h>
22
23#include "SkBitmap.h"
24#include "SkImageDecoder.h"
25#include "SkStream.h"
26#include "omx_jpeg_decoder.h"
27
28class SkJPEGImageDecoder : public SkImageDecoder {
29public:
30    virtual Format getFormat() const {
31        return kJPEG_Format;
32    }
33
34protected:
35    virtual bool onDecode(SkStream* stream, SkBitmap* bm, Mode);
36};
37
38int nullObjectReturn(const char msg[]) {
39    if (msg) {
40        SkDebugf("--- %s\n", msg);
41    }
42    return -1;
43}
44
45static int64_t getNowUs() {
46    struct timeval tv;
47    gettimeofday(&tv, NULL);
48
49    return tv.tv_usec + (int64_t) tv.tv_sec * 1000000;
50}
51
52int testDecodeBounds(SkImageDecoder* decoder, SkStream* stream,
53        SkBitmap* bitmap) {
54    int64_t startTime = getNowUs();
55    SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config;
56    SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodeBounds_Mode;
57
58    // Decode the input stream and then use the bitmap.
59    if (!decoder->decode(stream, bitmap, prefConfig, decodeMode)) {
60        return nullObjectReturn("decoder->decode returned false");
61    } else {
62        int64_t delay = getNowUs() - startTime;
63        printf("WidthxHeight: %dx%d\n", bitmap->width(), bitmap->height());
64        printf("Decoding Time in BoundsMode %.1f msec.\n", delay / 1000.0f);
65        return 0;
66    }
67}
68
69int testDecodePixels(SkImageDecoder* decoder, SkStream* stream,
70        SkBitmap* bitmap) {
71    int64_t startTime = getNowUs();
72    SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config;
73    SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodePixels_Mode;
74
75    // Decode the input stream and then use the bitmap.
76    if (!decoder->decode(stream, bitmap, prefConfig, decodeMode)) {
77        return nullObjectReturn("decoder->decode returned false");
78    } else {
79        int64_t delay = getNowUs() - startTime;
80        printf("Decoding Time in PixelsMode %.1f msec.\n", delay / 1000.0f);
81        const char* filename = "/sdcard/omxJpegDecodedBitmap.rgba";
82        return storeBitmapToFile(bitmap, filename);
83    }
84}
85
86int testDecoder(SkImageDecoder* decoder, char* filename) {
87    // test DecodeMode == Pixels
88    SkStream* stream = new SkFILEStream(filename);
89    SkBitmap* bitmap = new SkBitmap;
90    testDecodePixels(decoder, stream, bitmap);
91    delete bitmap;
92
93    // test DecodeMode == Bounds
94    stream = new SkFILEStream(filename);
95    bitmap = new SkBitmap;
96    testDecodeBounds(decoder, stream, bitmap);
97    delete bitmap;
98
99    delete decoder;
100    return 0;
101}
102
103int main(int argc, char** argv) {
104    android::ProcessState::self()->startThreadPool();
105
106    printf("Decoding jpeg with libjpeg...\n");
107    SkJPEGImageDecoder* libjpeg = new SkJPEGImageDecoder;
108    testDecoder(libjpeg, argv[1]);
109
110    printf("\nDecoding jpeg with OMX...\n");
111    OmxJpegImageDecoder* omx = new OmxJpegImageDecoder;
112    testDecoder(omx, argv[1]);
113    return 0;
114}
115