Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 "C2SoftGsmDec" |
| 19 | #include <log/log.h> |
| 20 | |
| 21 | #include <media/stagefright/foundation/MediaDefs.h> |
| 22 | |
| 23 | #include <C2PlatformSupport.h> |
| 24 | #include <SimpleC2Interface.h> |
| 25 | |
| 26 | #include "C2SoftGsmDec.h" |
| 27 | |
| 28 | namespace android { |
| 29 | |
Rakesh Kumar | ed13464 | 2019-03-12 14:18:42 +0530 | [diff] [blame] | 30 | namespace { |
| 31 | |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 32 | constexpr char COMPONENT_NAME[] = "c2.android.gsm.decoder"; |
| 33 | |
Rakesh Kumar | ed13464 | 2019-03-12 14:18:42 +0530 | [diff] [blame] | 34 | } // namespace |
| 35 | |
| 36 | class C2SoftGsmDec::IntfImpl : public SimpleInterface<void>::BaseParams { |
| 37 | public: |
| 38 | explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper) |
| 39 | : SimpleInterface<void>::BaseParams( |
| 40 | helper, |
| 41 | COMPONENT_NAME, |
| 42 | C2Component::KIND_DECODER, |
| 43 | C2Component::DOMAIN_AUDIO, |
| 44 | MEDIA_MIMETYPE_AUDIO_MSGSM) { |
| 45 | noPrivateBuffers(); |
| 46 | noInputReferences(); |
| 47 | noOutputReferences(); |
| 48 | noInputLatency(); |
| 49 | noTimeStretch(); |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 50 | setDerivedInstance(this); |
| 51 | |
| 52 | addParameter( |
Rakesh Kumar | ed13464 | 2019-03-12 14:18:42 +0530 | [diff] [blame] | 53 | DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES) |
| 54 | .withConstValue(new C2ComponentAttributesSetting( |
| 55 | C2Component::ATTRIB_IS_TEMPORAL)) |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 56 | .build()); |
| 57 | |
| 58 | addParameter( |
Lajos Molnar | 3bb81cd | 2019-02-20 15:10:30 -0800 | [diff] [blame] | 59 | DefineParam(mSampleRate, C2_PARAMKEY_SAMPLE_RATE) |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 60 | .withDefault(new C2StreamSampleRateInfo::output(0u, 8000)) |
| 61 | .withFields({C2F(mSampleRate, value).equalTo(8000)}) |
| 62 | .withSetter((Setter<decltype(*mSampleRate)>::StrictValueWithNoDeps)) |
| 63 | .build()); |
| 64 | |
| 65 | addParameter( |
Lajos Molnar | 3bb81cd | 2019-02-20 15:10:30 -0800 | [diff] [blame] | 66 | DefineParam(mChannelCount, C2_PARAMKEY_CHANNEL_COUNT) |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 67 | .withDefault(new C2StreamChannelCountInfo::output(0u, 1)) |
| 68 | .withFields({C2F(mChannelCount, value).equalTo(1)}) |
| 69 | .withSetter(Setter<decltype(*mChannelCount)>::StrictValueWithNoDeps) |
| 70 | .build()); |
| 71 | |
| 72 | addParameter( |
Lajos Molnar | 3bb81cd | 2019-02-20 15:10:30 -0800 | [diff] [blame] | 73 | DefineParam(mBitrate, C2_PARAMKEY_BITRATE) |
| 74 | .withDefault(new C2StreamBitrateInfo::input(0u, 13200)) |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 75 | .withFields({C2F(mBitrate, value).equalTo(13200)}) |
| 76 | .withSetter(Setter<decltype(*mBitrate)>::NonStrictValueWithNoDeps) |
| 77 | .build()); |
| 78 | |
| 79 | addParameter( |
| 80 | DefineParam(mInputMaxBufSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE) |
| 81 | .withConstValue(new C2StreamMaxBufferSizeInfo::input(0u, 1024 / MSGSM_IN_FRM_SZ * MSGSM_IN_FRM_SZ)) |
| 82 | .build()); |
| 83 | } |
| 84 | |
| 85 | private: |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 86 | std::shared_ptr<C2StreamSampleRateInfo::output> mSampleRate; |
| 87 | std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount; |
Lajos Molnar | 3bb81cd | 2019-02-20 15:10:30 -0800 | [diff] [blame] | 88 | std::shared_ptr<C2StreamBitrateInfo::input> mBitrate; |
Pawin Vongmasa | 3665390 | 2018-11-15 00:10:25 -0800 | [diff] [blame] | 89 | std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mInputMaxBufSize; |
| 90 | }; |
| 91 | |
| 92 | C2SoftGsmDec::C2SoftGsmDec(const char *name, c2_node_id_t id, |
| 93 | const std::shared_ptr<IntfImpl>& intfImpl) |
| 94 | : SimpleC2Component( |
| 95 | std::make_shared<SimpleInterface<IntfImpl>>(name, id, intfImpl)), |
| 96 | mIntf(intfImpl), |
| 97 | mGsm(nullptr) { |
| 98 | } |
| 99 | |
| 100 | C2SoftGsmDec::~C2SoftGsmDec() { |
| 101 | onRelease(); |
| 102 | } |
| 103 | |
| 104 | c2_status_t C2SoftGsmDec::onInit() { |
| 105 | if (!mGsm) mGsm = gsm_create(); |
| 106 | if (!mGsm) return C2_NO_MEMORY; |
| 107 | int msopt = 1; |
| 108 | (void)gsm_option(mGsm, GSM_OPT_WAV49, &msopt); |
| 109 | mSignalledError = false; |
| 110 | mSignalledEos = false; |
| 111 | return C2_OK; |
| 112 | } |
| 113 | |
| 114 | c2_status_t C2SoftGsmDec::onStop() { |
| 115 | if (mGsm) { |
| 116 | gsm_destroy(mGsm); |
| 117 | mGsm = nullptr; |
| 118 | } |
| 119 | if (!mGsm) mGsm = gsm_create(); |
| 120 | if (!mGsm) return C2_NO_MEMORY; |
| 121 | int msopt = 1; |
| 122 | (void)gsm_option(mGsm, GSM_OPT_WAV49, &msopt); |
| 123 | mSignalledError = false; |
| 124 | mSignalledEos = false; |
| 125 | return C2_OK; |
| 126 | } |
| 127 | |
| 128 | void C2SoftGsmDec::onReset() { |
| 129 | (void)onStop(); |
| 130 | } |
| 131 | |
| 132 | void C2SoftGsmDec::onRelease() { |
| 133 | if (mGsm) { |
| 134 | gsm_destroy(mGsm); |
| 135 | mGsm = nullptr; |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | c2_status_t C2SoftGsmDec::onFlush_sm() { |
| 140 | return onStop(); |
| 141 | } |
| 142 | |
| 143 | static size_t decodeGSM(gsm handle, int16_t *out, size_t outCapacity, |
| 144 | uint8_t *in, size_t inSize) { |
| 145 | size_t outSize = 0; |
| 146 | |
| 147 | if (inSize % MSGSM_IN_FRM_SZ == 0 |
| 148 | && (inSize / MSGSM_IN_FRM_SZ * MSGSM_OUT_FRM_SZ * sizeof(*out) |
| 149 | <= outCapacity)) { |
| 150 | while (inSize > 0) { |
| 151 | gsm_decode(handle, in, out); |
| 152 | in += FRGSM_IN_FRM_SZ; |
| 153 | inSize -= FRGSM_IN_FRM_SZ; |
| 154 | out += FRGSM_OUT_FRM_SZ; |
| 155 | outSize += FRGSM_OUT_FRM_SZ; |
| 156 | |
| 157 | gsm_decode(handle, in, out); |
| 158 | in += FRGSM_IN_FRM_SZ_MINUS_1; |
| 159 | inSize -= FRGSM_IN_FRM_SZ_MINUS_1; |
| 160 | out += FRGSM_OUT_FRM_SZ; |
| 161 | outSize += FRGSM_OUT_FRM_SZ; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | return outSize * sizeof(int16_t); |
| 166 | } |
| 167 | |
| 168 | void C2SoftGsmDec::process( |
| 169 | const std::unique_ptr<C2Work> &work, |
| 170 | const std::shared_ptr<C2BlockPool> &pool) { |
| 171 | // Initialize output work |
| 172 | work->result = C2_OK; |
| 173 | work->workletsProcessed = 1u; |
| 174 | work->worklets.front()->output.flags = work->input.flags; |
| 175 | |
| 176 | if (mSignalledError || mSignalledEos) { |
| 177 | work->result = C2_BAD_VALUE; |
| 178 | return; |
| 179 | } |
| 180 | |
| 181 | bool eos = ((work->input.flags & C2FrameData::FLAG_END_OF_STREAM) != 0); |
| 182 | C2ReadView rView = mDummyReadView; |
| 183 | size_t inOffset = 0u; |
| 184 | size_t inSize = 0u; |
| 185 | if (!work->input.buffers.empty()) { |
| 186 | rView = work->input.buffers[0]->data().linearBlocks().front().map().get(); |
| 187 | inSize = rView.capacity(); |
| 188 | if (inSize && rView.error()) { |
| 189 | ALOGE("read view map failed %d", rView.error()); |
| 190 | work->result = rView.error(); |
| 191 | return; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | if (inSize == 0) { |
| 196 | work->worklets.front()->output.flags = work->input.flags; |
| 197 | work->worklets.front()->output.buffers.clear(); |
| 198 | work->worklets.front()->output.ordinal = work->input.ordinal; |
| 199 | if (eos) { |
| 200 | mSignalledEos = true; |
| 201 | ALOGV("signalled EOS"); |
| 202 | } |
| 203 | return; |
| 204 | } |
| 205 | ALOGV("in buffer attr. size %zu timestamp %d frameindex %d", inSize, |
| 206 | (int)work->input.ordinal.timestamp.peeku(), (int)work->input.ordinal.frameIndex.peeku()); |
| 207 | |
| 208 | size_t outCapacity = (inSize / MSGSM_IN_FRM_SZ ) * MSGSM_OUT_FRM_SZ * sizeof(int16_t); |
| 209 | std::shared_ptr<C2LinearBlock> block; |
| 210 | C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE }; |
| 211 | c2_status_t err = pool->fetchLinearBlock(outCapacity, usage, &block); |
| 212 | if (err != C2_OK) { |
| 213 | ALOGE("fetchLinearBlock for Output failed with status %d", err); |
| 214 | work->result = C2_NO_MEMORY; |
| 215 | return; |
| 216 | } |
| 217 | C2WriteView wView = block->map().get(); |
| 218 | if (wView.error()) { |
| 219 | ALOGE("write view map failed %d", wView.error()); |
| 220 | work->result = wView.error(); |
| 221 | return; |
| 222 | } |
| 223 | |
| 224 | int16_t *output = reinterpret_cast<int16_t *>(wView.data()); |
| 225 | uint8_t *input = const_cast<uint8_t *>(rView.data() + inOffset); |
| 226 | size_t outSize = decodeGSM(mGsm, output, outCapacity, input, inSize); |
| 227 | if (!outSize) { |
| 228 | ALOGE("encountered improper insize or outsize"); |
| 229 | mSignalledError = true; |
| 230 | work->result = C2_CORRUPTED; |
| 231 | return; |
| 232 | } |
| 233 | ALOGV("out buffer attr. size %zu", outSize); |
| 234 | work->worklets.front()->output.flags = work->input.flags; |
| 235 | work->worklets.front()->output.buffers.clear(); |
| 236 | work->worklets.front()->output.buffers.push_back(createLinearBuffer(block, 0, outSize)); |
| 237 | work->worklets.front()->output.ordinal = work->input.ordinal; |
| 238 | if (eos) { |
| 239 | mSignalledEos = true; |
| 240 | ALOGV("signalled EOS"); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | c2_status_t C2SoftGsmDec::drain( |
| 245 | uint32_t drainMode, |
| 246 | const std::shared_ptr<C2BlockPool> &pool) { |
| 247 | (void) pool; |
| 248 | if (drainMode == NO_DRAIN) { |
| 249 | ALOGW("drain with NO_DRAIN: no-op"); |
| 250 | return C2_OK; |
| 251 | } |
| 252 | if (drainMode == DRAIN_CHAIN) { |
| 253 | ALOGW("DRAIN_CHAIN not supported"); |
| 254 | return C2_OMITTED; |
| 255 | } |
| 256 | |
| 257 | return C2_OK; |
| 258 | } |
| 259 | |
| 260 | class C2SoftGSMDecFactory : public C2ComponentFactory { |
| 261 | public: |
| 262 | C2SoftGSMDecFactory() : mHelper(std::static_pointer_cast<C2ReflectorHelper>( |
| 263 | GetCodec2PlatformComponentStore()->getParamReflector())) { |
| 264 | } |
| 265 | |
| 266 | virtual c2_status_t createComponent( |
| 267 | c2_node_id_t id, |
| 268 | std::shared_ptr<C2Component>* const component, |
| 269 | std::function<void(C2Component*)> deleter) override { |
| 270 | *component = std::shared_ptr<C2Component>( |
| 271 | new C2SoftGsmDec(COMPONENT_NAME, |
| 272 | id, |
| 273 | std::make_shared<C2SoftGsmDec::IntfImpl>(mHelper)), |
| 274 | deleter); |
| 275 | return C2_OK; |
| 276 | } |
| 277 | |
| 278 | virtual c2_status_t createInterface( |
| 279 | c2_node_id_t id, |
| 280 | std::shared_ptr<C2ComponentInterface>* const interface, |
| 281 | std::function<void(C2ComponentInterface*)> deleter) override { |
| 282 | *interface = std::shared_ptr<C2ComponentInterface>( |
| 283 | new SimpleInterface<C2SoftGsmDec::IntfImpl>( |
| 284 | COMPONENT_NAME, id, std::make_shared<C2SoftGsmDec::IntfImpl>(mHelper)), |
| 285 | deleter); |
| 286 | return C2_OK; |
| 287 | } |
| 288 | |
| 289 | virtual ~C2SoftGSMDecFactory() override = default; |
| 290 | |
| 291 | private: |
| 292 | std::shared_ptr<C2ReflectorHelper> mHelper; |
| 293 | }; |
| 294 | |
| 295 | } // namespace android |
| 296 | |
| 297 | extern "C" ::C2ComponentFactory* CreateCodec2Factory() { |
| 298 | ALOGV("in %s", __func__); |
| 299 | return new ::android::C2SoftGSMDecFactory(); |
| 300 | } |
| 301 | |
| 302 | extern "C" void DestroyCodec2Factory(::C2ComponentFactory* factory) { |
| 303 | ALOGV("in %s", __func__); |
| 304 | delete factory; |
| 305 | } |