1 /* 2 * Copyright (C) 2014 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 0 18 #define LOG_TAG "NdkMediaFormat" 19 20 #include <inttypes.h> 21 22 #include "NdkMediaFormat.h" 23 24 #include <utils/Log.h> 25 #include <utils/StrongPointer.h> 26 #include <media/stagefright/foundation/ABuffer.h> 27 #include <media/stagefright/foundation/AMessage.h> 28 #include <media/stagefright/MetaData.h> 29 #include <android_runtime/AndroidRuntime.h> 30 #include <android_util_Binder.h> 31 32 #include <jni.h> 33 34 using namespace android; 35 36 struct AMediaFormat { 37 sp<AMessage> mFormat; 38 String8 mDebug; 39 KeyedVector<String8, String8> mStringCache; 40 }; 41 42 extern "C" { 43 44 // private functions for conversion to/from AMessage 45 AMediaFormat* AMediaFormat_fromMsg(const void* data) { 46 ALOGV("private ctor"); 47 AMediaFormat* mData = new AMediaFormat(); 48 mData->mFormat = *((sp<AMessage>*)data); 49 return mData; 50 } 51 52 void AMediaFormat_getFormat(const AMediaFormat* mData, void* dest) { 53 *((sp<AMessage>*)dest) = mData->mFormat; 54 } 55 56 57 /* 58 * public function follow 59 */ 60 EXPORT 61 AMediaFormat *AMediaFormat_new() { 62 ALOGV("ctor"); 63 sp<AMessage> msg = new AMessage(); 64 return AMediaFormat_fromMsg(&msg); 65 } 66 67 EXPORT 68 media_status_t AMediaFormat_delete(AMediaFormat *mData) { 69 ALOGV("dtor"); 70 delete mData; 71 return AMEDIA_OK; 72 } 73 74 75 EXPORT 76 const char* AMediaFormat_toString(AMediaFormat *mData) { 77 sp<AMessage> f = mData->mFormat; 78 String8 ret; 79 int num = f->countEntries(); 80 for (int i = 0; i < num; i++) { 81 if (i != 0) { 82 ret.append(", "); 83 } 84 AMessage::Type t; 85 const char *name = f->getEntryNameAt(i, &t); 86 ret.append(name); 87 ret.append(": "); 88 switch (t) { 89 case AMessage::kTypeInt32: 90 { 91 int32_t val; 92 f->findInt32(name, &val); 93 ret.appendFormat("int32(%" PRId32 ")", val); 94 break; 95 } 96 case AMessage::kTypeInt64: 97 { 98 int64_t val; 99 f->findInt64(name, &val); 100 ret.appendFormat("int64(%" PRId64 ")", val); 101 break; 102 } 103 case AMessage::kTypeSize: 104 { 105 size_t val; 106 f->findSize(name, &val); 107 ret.appendFormat("size_t(%zu)", val); 108 break; 109 } 110 case AMessage::kTypeFloat: 111 { 112 float val; 113 f->findFloat(name, &val); 114 ret.appendFormat("float(%f)", val); 115 break; 116 } 117 case AMessage::kTypeDouble: 118 { 119 double val; 120 f->findDouble(name, &val); 121 ret.appendFormat("double(%f)", val); 122 break; 123 } 124 case AMessage::kTypeString: 125 { 126 AString val; 127 f->findString(name, &val); 128 ret.appendFormat("string(%s)", val.c_str()); 129 break; 130 } 131 case AMessage::kTypeBuffer: 132 { 133 ret.appendFormat("data"); 134 break; 135 } 136 default: 137 { 138 ret.appendFormat("unknown(%d)", t); 139 break; 140 } 141 } 142 } 143 ret.append("}"); 144 mData->mDebug = ret; 145 return mData->mDebug.string(); 146 } 147 148 EXPORT 149 bool AMediaFormat_getInt32(AMediaFormat* format, const char *name, int32_t *out) { 150 return format->mFormat->findInt32(name, out); 151 } 152 153 EXPORT 154 bool AMediaFormat_getInt64(AMediaFormat* format, const char *name, int64_t *out) { 155 return format->mFormat->findInt64(name, out); 156 } 157 158 EXPORT 159 bool AMediaFormat_getFloat(AMediaFormat* format, const char *name, float *out) { 160 return format->mFormat->findFloat(name, out); 161 } 162 163 EXPORT 164 bool AMediaFormat_getSize(AMediaFormat* format, const char *name, size_t *out) { 165 return format->mFormat->findSize(name, out); 166 } 167 168 EXPORT 169 bool AMediaFormat_getBuffer(AMediaFormat* format, const char *name, void** data, size_t *outsize) { 170 sp<ABuffer> buf; 171 if (format->mFormat->findBuffer(name, &buf)) { 172 *data = buf->data() + buf->offset(); 173 *outsize = buf->size(); 174 return true; 175 } 176 return false; 177 } 178 179 EXPORT 180 bool AMediaFormat_getString(AMediaFormat* mData, const char *name, const char **out) { 181 182 for (size_t i = 0; i < mData->mStringCache.size(); i++) { 183 if (strcmp(mData->mStringCache.keyAt(i).string(), name) == 0) { 184 mData->mStringCache.removeItemsAt(i, 1); 185 break; 186 } 187 } 188 189 AString tmp; 190 if (mData->mFormat->findString(name, &tmp)) { 191 String8 ret(tmp.c_str()); 192 mData->mStringCache.add(String8(name), ret); 193 *out = ret.string(); 194 return true; 195 } 196 return false; 197 } 198 199 EXPORT 200 void AMediaFormat_setInt32(AMediaFormat* format, const char *name, int32_t value) { 201 format->mFormat->setInt32(name, value); 202 } 203 204 EXPORT 205 void AMediaFormat_setInt64(AMediaFormat* format, const char *name, int64_t value) { 206 format->mFormat->setInt64(name, value); 207 } 208 209 EXPORT 210 void AMediaFormat_setFloat(AMediaFormat* format, const char* name, float value) { 211 format->mFormat->setFloat(name, value); 212 } 213 214 EXPORT 215 void AMediaFormat_setString(AMediaFormat* format, const char* name, const char* value) { 216 // AMessage::setString() makes a copy of the string 217 format->mFormat->setString(name, value, strlen(value)); 218 } 219 220 EXPORT 221 void AMediaFormat_setBuffer(AMediaFormat* format, const char* name, void* data, size_t size) { 222 // the ABuffer(void*, size_t) constructor doesn't take ownership of the data, so create 223 // a new buffer and copy the data into it 224 sp<ABuffer> buf = new ABuffer(size); 225 memcpy(buf->data(), data, size); 226 buf->setRange(0, size); 227 // AMessage::setBuffer() increases the refcount of the buffer 228 format->mFormat->setBuffer(name, buf); 229 } 230 231 232 EXPORT const char* AMEDIAFORMAT_KEY_AAC_PROFILE = "aac-profile"; 233 EXPORT const char* AMEDIAFORMAT_KEY_BIT_RATE = "bitrate"; 234 EXPORT const char* AMEDIAFORMAT_KEY_CHANNEL_COUNT = "channel-count"; 235 EXPORT const char* AMEDIAFORMAT_KEY_CHANNEL_MASK = "channel-mask"; 236 EXPORT const char* AMEDIAFORMAT_KEY_COLOR_FORMAT = "color-format"; 237 EXPORT const char* AMEDIAFORMAT_KEY_DURATION = "durationUs"; 238 EXPORT const char* AMEDIAFORMAT_KEY_FLAC_COMPRESSION_LEVEL = "flac-compression-level"; 239 EXPORT const char* AMEDIAFORMAT_KEY_FRAME_RATE = "frame-rate"; 240 EXPORT const char* AMEDIAFORMAT_KEY_HEIGHT = "height"; 241 EXPORT const char* AMEDIAFORMAT_KEY_IS_ADTS = "is-adts"; 242 EXPORT const char* AMEDIAFORMAT_KEY_IS_AUTOSELECT = "is-autoselect"; 243 EXPORT const char* AMEDIAFORMAT_KEY_IS_DEFAULT = "is-default"; 244 EXPORT const char* AMEDIAFORMAT_KEY_IS_FORCED_SUBTITLE = "is-forced-subtitle"; 245 EXPORT const char* AMEDIAFORMAT_KEY_I_FRAME_INTERVAL = "i-frame-interval"; 246 EXPORT const char* AMEDIAFORMAT_KEY_LANGUAGE = "language"; 247 EXPORT const char* AMEDIAFORMAT_KEY_MAX_HEIGHT = "max-height"; 248 EXPORT const char* AMEDIAFORMAT_KEY_MAX_INPUT_SIZE = "max-input-size"; 249 EXPORT const char* AMEDIAFORMAT_KEY_MAX_WIDTH = "max-width"; 250 EXPORT const char* AMEDIAFORMAT_KEY_MIME = "mime"; 251 EXPORT const char* AMEDIAFORMAT_KEY_PUSH_BLANK_BUFFERS_ON_STOP = "push-blank-buffers-on-shutdown"; 252 EXPORT const char* AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER = "repeat-previous-frame-after"; 253 EXPORT const char* AMEDIAFORMAT_KEY_SAMPLE_RATE = "sample-rate"; 254 EXPORT const char* AMEDIAFORMAT_KEY_WIDTH = "width"; 255 EXPORT const char* AMEDIAFORMAT_KEY_STRIDE = "stride"; 256 257 258 } // extern "C" 259 260 261
