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 #ifndef OMXJPEGIMAGEDECODER 18 #define OMXJPEGIMAGEDECODER 19 20 #include <stdlib.h> 21 #include <string.h> 22 #include <unistd.h> 23 24 #include <media/stagefright/JPEGSource.h> 25 #include <media/stagefright/MediaSource.h> 26 #include <media/stagefright/OMXClient.h> 27 #include <media/stagefright/OMXCodec.h> 28 #include <SkImageDecoder.h> 29 #include <SkStream.h> 30 31 using namespace android; 32 33 extern int storeBitmapToFile(SkBitmap* bitmap, const char* filename); 34 35 class OmxJpegImageDecoder : public SkImageDecoder { 36 public: 37 OmxJpegImageDecoder(); 38 ~OmxJpegImageDecoder(); 39 getFormat()40 virtual Format getFormat() const { 41 return kJPEG_Format; 42 } 43 44 protected: 45 virtual bool onDecode(SkStream* stream, SkBitmap* bm, Mode mode); 46 47 private: 48 JPEGSource* prepareMediaSource(SkStream* stream); 49 sp<MediaSource> getDecoder(OMXClient* client, const sp<MediaSource>& source); 50 bool decodeSource(sp<MediaSource> decoder, const sp<MediaSource>& source, 51 SkBitmap* bm); 52 void installPixelRef(MediaBuffer* buffer, sp<MediaSource> decoder, 53 SkBitmap* bm); 54 void configBitmapSize(SkBitmap* bm, SkBitmap::Config pref, int width, 55 int height); 56 SkBitmap::Config getColorSpaceConfig(SkBitmap::Config pref); 57 58 OMXClient mClient; 59 }; 60 61 #endif 62