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 "CCodecConfig"
19 #include <cutils/properties.h>
20 #include <log/log.h>
21 
22 #include <C2Component.h>
23 #include <C2Param.h>
24 #include <util/C2InterfaceHelper.h>
25 
26 #include <media/stagefright/MediaCodecConstants.h>
27 
28 #include "CCodecConfig.h"
29 #include "Codec2Mapper.h"
30 
31 #define DRC_DEFAULT_MOBILE_REF_LEVEL 64  /* 64*-0.25dB = -16 dB below full scale for mobile conf */
32 #define DRC_DEFAULT_MOBILE_DRC_CUT   127 /* maximum compression of dynamic range for mobile conf */
33 #define DRC_DEFAULT_MOBILE_DRC_BOOST 127 /* maximum compression of dynamic range for mobile conf */
34 #define DRC_DEFAULT_MOBILE_DRC_HEAVY 1   /* switch for heavy compression for mobile conf */
35 #define DRC_DEFAULT_MOBILE_DRC_EFFECT 3  /* MPEG-D DRC effect type; 3 => Limited playback range */
36 #define DRC_DEFAULT_MOBILE_DRC_ALBUM 0   /* MPEG-D DRC album mode; 0 => album mode is disabled, 1 => album mode is enabled */
37 #define DRC_DEFAULT_MOBILE_OUTPUT_LOUDNESS -1 /* decoder output loudness; -1 => the value is unknown, otherwise dB step value (e.g. 64 for -16 dB) */
38 #define DRC_DEFAULT_MOBILE_ENC_LEVEL (-1) /* encoder target level; -1 => the value is unknown, otherwise dB step value (e.g. 64 for -16 dB) */
39 // names of properties that can be used to override the default DRC settings
40 #define PROP_DRC_OVERRIDE_REF_LEVEL  "aac_drc_reference_level"
41 #define PROP_DRC_OVERRIDE_CUT        "aac_drc_cut"
42 #define PROP_DRC_OVERRIDE_BOOST      "aac_drc_boost"
43 #define PROP_DRC_OVERRIDE_HEAVY      "aac_drc_heavy"
44 #define PROP_DRC_OVERRIDE_ENC_LEVEL  "aac_drc_enc_target_level"
45 #define PROP_DRC_OVERRIDE_EFFECT     "ro.aac_drc_effect_type"
46 
47 namespace android {
48 
49 // CCodecConfig
50 
51 namespace {
52 
C2ValueToMessageItem(const C2Value & value,AMessage::ItemData & item)53 void C2ValueToMessageItem(const C2Value &value, AMessage::ItemData &item) {
54     int32_t int32Value;
55     uint32_t uint32Value;
56     int64_t int64Value;
57     uint64_t uint64Value;
58     float floatValue;
59     if (value.get(&int32Value)) {
60         item.set(int32Value);
61     } else if (value.get(&uint32Value) && uint32Value <= uint32_t(INT32_MAX)) {
62         // SDK does not support unsigned values
63         item.set((int32_t)uint32Value);
64     } else if (value.get(&int64Value)) {
65         item.set(int64Value);
66     } else if (value.get(&uint64Value) && uint64Value <= uint64_t(INT64_MAX)) {
67         // SDK does not support unsigned values
68         item.set((int64_t)uint64Value);
69     } else if (value.get(&floatValue)) {
70         item.set(floatValue);
71     }
72 }
73 
74 /**
75  * mapping between SDK and Codec 2.0 configurations.
76  */
77 struct ConfigMapper {
78     /**
79      * Value mapper (C2Value => C2Value)
80      */
81     typedef std::function<C2Value(C2Value)> Mapper;
82 
83     /// shorthand
84     typedef CCodecConfig::Domain Domain;
85 
ConfigMapperandroid::__anon5f9fd7420111::ConfigMapper86     ConfigMapper(std::string mediaKey, C2String c2struct, C2String c2field)
87         : mDomain(Domain::ALL), mMediaKey(mediaKey), mStruct(c2struct), mField(c2field) { }
88 
89     /// Limits this parameter to the given domain
limitToandroid::__anon5f9fd7420111::ConfigMapper90     ConfigMapper &limitTo(uint32_t domain) {
91         C2_CHECK(domain & Domain::GUARD_BIT);
92         mDomain = Domain(mDomain & domain);
93         return *this;
94     }
95 
96     /// Adds SDK => Codec 2.0 mapper (should not be in the SDK format)
withMapperandroid::__anon5f9fd7420111::ConfigMapper97     ConfigMapper &withMapper(Mapper mapper) {
98         C2_CHECK(!mMapper);
99         C2_CHECK(!mReverse);
100         mMapper = mapper;
101         return *this;
102     }
103 
104     /// Adds SDK <=> Codec 2.0 value mappers
withMappersandroid::__anon5f9fd7420111::ConfigMapper105     ConfigMapper &withMappers(Mapper mapper, Mapper reverse) {
106         C2_CHECK(!mMapper);
107         C2_CHECK(!mReverse);
108         mMapper = mapper;
109         mReverse = reverse;
110         return *this;
111     }
112 
113     /// Adds SDK <=> Codec 2.0 value mappers based on C2Mapper
114     template<typename C2Type, typename SdkType=int32_t>
withC2Mappersandroid::__anon5f9fd7420111::ConfigMapper115     ConfigMapper &withC2Mappers() {
116         C2_CHECK(!mMapper);
117         C2_CHECK(!mReverse);
118         mMapper = [](C2Value v) -> C2Value {
119             SdkType sdkValue;
120             C2Type c2Value;
121             if (v.get(&sdkValue) && C2Mapper::map(sdkValue, &c2Value)) {
122                 return c2Value;
123             }
124             return C2Value();
125         };
126         mReverse = [](C2Value v) -> C2Value {
127             SdkType sdkValue;
128             C2Type c2Value;
129             using C2ValueType=typename _c2_reduce_enum_to_underlying_type<C2Type>::type;
130             if (v.get((C2ValueType*)&c2Value) && C2Mapper::map(c2Value, &sdkValue)) {
131                 return sdkValue;
132             }
133             return C2Value();
134         };
135         return *this;
136     }
137 
138     /// Maps from SDK values in an AMessage to a suitable C2Value.
mapFromMessageandroid::__anon5f9fd7420111::ConfigMapper139     C2Value mapFromMessage(const AMessage::ItemData &item) const {
140         C2Value value;
141         int32_t int32Value;
142         int64_t int64Value;
143         float floatValue;
144         double doubleValue;
145         if (item.find(&int32Value)) {
146             value = int32Value;
147         } else if (item.find(&int64Value)) {
148             value = int64Value;
149         } else if (item.find(&floatValue)) {
150             value = floatValue;
151         } else if (item.find(&doubleValue)) {
152             value = (float)doubleValue;
153         }
154         if (value.type() != C2Value::NO_INIT && mMapper) {
155             value = mMapper(value);
156         }
157         return value;
158     }
159 
160     /// Maps from a C2Value to an SDK value in an AMessage.
mapToMessageandroid::__anon5f9fd7420111::ConfigMapper161     AMessage::ItemData mapToMessage(C2Value value) const {
162         AMessage::ItemData item;
163         if (value.type() != C2Value::NO_INIT && mReverse) {
164             value = mReverse(value);
165         }
166         C2ValueToMessageItem(value, item);
167         return item;
168     }
169 
domainandroid::__anon5f9fd7420111::ConfigMapper170     Domain domain() const { return mDomain; }
mediaKeyandroid::__anon5f9fd7420111::ConfigMapper171     std::string mediaKey() const { return mMediaKey; }
pathandroid::__anon5f9fd7420111::ConfigMapper172     std::string path() const { return mField.size() ? mStruct + '.' + mField : mStruct; }
mapperandroid::__anon5f9fd7420111::ConfigMapper173     Mapper mapper() const { return mMapper; }
reverseandroid::__anon5f9fd7420111::ConfigMapper174     Mapper reverse() const { return mReverse; }
175 
176 private:
177     Domain mDomain;         ///< parameter domain (mask) containing port, kind and config domains
178     std::string mMediaKey;  ///< SDK key
179     C2String mStruct;       ///< Codec 2.0 struct name
180     C2String mField;        ///< Codec 2.0 field name
181     Mapper mMapper;         ///< optional SDK => Codec 2.0 value mapper
182     Mapper mReverse;        ///< optional Codec 2.0 => SDK value mapper
183 };
184 
185 template <typename PORT, typename STREAM>
QueryMediaTypeImpl(const std::shared_ptr<Codec2Client::Configurable> & configurable)186 AString QueryMediaTypeImpl(
187         const std::shared_ptr<Codec2Client::Configurable> &configurable) {
188     AString mediaType;
189     std::vector<std::unique_ptr<C2Param>> queried;
190     c2_status_t c2err = configurable->query(
191             {}, { PORT::PARAM_TYPE, STREAM::PARAM_TYPE }, C2_DONT_BLOCK, &queried);
192     if (c2err != C2_OK && queried.size() == 0) {
193         ALOGD("Query media type failed => %s", asString(c2err));
194     } else {
195         PORT *portMediaType =
196             PORT::From(queried[0].get());
197         if (portMediaType) {
198             mediaType = AString(
199                     portMediaType->m.value,
200                     strnlen(portMediaType->m.value, portMediaType->flexCount()));
201         } else {
202             STREAM *streamMediaType = STREAM::From(queried[0].get());
203             if (streamMediaType) {
204                 mediaType = AString(
205                         streamMediaType->m.value,
206                         strnlen(streamMediaType->m.value, streamMediaType->flexCount()));
207             }
208         }
209         ALOGD("read media type: %s", mediaType.c_str());
210     }
211     return mediaType;
212 }
213 
QueryMediaType(bool input,const std::shared_ptr<Codec2Client::Configurable> & configurable)214 AString QueryMediaType(
215         bool input, const std::shared_ptr<Codec2Client::Configurable> &configurable) {
216     typedef C2PortMediaTypeSetting P;
217     typedef C2StreamMediaTypeSetting S;
218     if (input) {
219         return QueryMediaTypeImpl<P::input, S::input>(configurable);
220     } else {
221         return QueryMediaTypeImpl<P::output, S::output>(configurable);
222     }
223 }
224 
225 }  // namespace
226 
227 /**
228  * Set of standard parameters used by CCodec that are exposed to MediaCodec.
229  */
230 struct StandardParams {
231     typedef CCodecConfig::Domain Domain;
232 
233     // standard (MediaCodec) params are keyed by media format key
234     typedef std::string SdkKey;
235 
236     /// used to return reference to no config mappers in getConfigMappersForSdkKey
237     static const std::vector<ConfigMapper> NO_MAPPERS;
238 
239     /// Returns Codec 2.0 equivalent parameters for an SDK format key.
getConfigMappersForSdkKeyandroid::StandardParams240     const std::vector<ConfigMapper> &getConfigMappersForSdkKey(std::string key) const {
241         auto it = mConfigMappers.find(key);
242         if (it == mConfigMappers.end()) {
243             if (mComplained.count(key) == 0) {
244                 ALOGD("no c2 equivalents for %s", key.c_str());
245                 mComplained.insert(key);
246             }
247             return NO_MAPPERS;
248         }
249         ALOGV("found %zu eqs for %s", it->second.size(), key.c_str());
250         return it->second;
251     }
252 
253     /**
254      * Adds a SDK <=> Codec 2.0 parameter mapping. Multiple Codec 2.0 parameters may map to a
255      * single SDK key, in which case they shall be ordered from least authoritative to most
256      * authoritative. When constructing SDK formats, the last mapped Codec 2.0 parameter that
257      * is supported by the component will determine the exposed value. (TODO: perhaps restrict this
258      * by domain.)
259      */
addandroid::StandardParams260     void add(const ConfigMapper &cm) {
261         auto it = mConfigMappers.find(cm.mediaKey());
262         ALOGV("%c%c%c%c %c%c%c %04x %9s %s => %s",
263               ((cm.domain() & Domain::IS_INPUT) ? 'I' : ' '),
264               ((cm.domain() & Domain::IS_OUTPUT) ? 'O' : ' '),
265               ((cm.domain() & Domain::IS_CODED) ? 'C' : ' '),
266               ((cm.domain() & Domain::IS_RAW) ? 'R' : ' '),
267               ((cm.domain() & Domain::IS_CONFIG) ? 'c' : ' '),
268               ((cm.domain() & Domain::IS_PARAM) ? 'p' : ' '),
269               ((cm.domain() & Domain::IS_READ) ? 'r' : ' '),
270               cm.domain(),
271               it == mConfigMappers.end() ? "adding" : "extending",
272               cm.mediaKey().c_str(), cm.path().c_str());
273         if (it == mConfigMappers.end()) {
274             std::vector<ConfigMapper> eqs = { cm };
275             mConfigMappers.emplace(cm.mediaKey(), eqs);
276         } else {
277             it->second.push_back(cm);
278         }
279     }
280 
281     /**
282      * Returns all paths for a specific domain.
283      *
284      * \param any maximum domain mask. Returned parameters must match at least one of the domains
285      *            in the mask.
286      * \param all minimum domain mask. Returned parameters must match all of the domains in the
287      *            mask. This is restricted to the bits of the maximum mask.
288      */
getPathsForDomainandroid::StandardParams289     std::vector<std::string> getPathsForDomain(
290             Domain any, Domain all = Domain::ALL) const {
291         std::vector<std::string> res;
292         for (const std::pair<std::string, std::vector<ConfigMapper>> &el : mConfigMappers) {
293             for (const ConfigMapper &cm : el.second) {
294                 ALOGV("filtering %s %x %x %x %x", cm.path().c_str(), cm.domain(), any,
295                         (cm.domain() & any), (cm.domain() & any & all));
296                 if ((cm.domain() & any) && ((cm.domain() & any & all) == (any & all))) {
297                     res.push_back(cm.path());
298                 }
299             }
300         }
301         return res;
302     }
303 
304     /**
305      * Returns SDK <=> Codec 2.0 mappings.
306      *
307      * TODO: replace these with better methods as this exposes the inner structure.
308      */
getKeysandroid::StandardParams309     const std::map<SdkKey, std::vector<ConfigMapper>> getKeys() const {
310         return mConfigMappers;
311     }
312 
313 private:
314     std::map<SdkKey, std::vector<ConfigMapper>> mConfigMappers;
315     mutable std::set<std::string> mComplained;
316 };
317 
318 const std::vector<ConfigMapper> StandardParams::NO_MAPPERS;
319 
320 
CCodecConfig()321 CCodecConfig::CCodecConfig()
322     : mInputFormat(new AMessage),
323       mOutputFormat(new AMessage),
324       mUsingSurface(false) { }
325 
initializeStandardParams()326 void CCodecConfig::initializeStandardParams() {
327     typedef Domain D;
328     mStandardParams = std::make_shared<StandardParams>();
329     std::function<void(const ConfigMapper &)> add =
330         [params = mStandardParams](const ConfigMapper &cm) {
331             params->add(cm);
332     };
333     std::function<void(const ConfigMapper &)> deprecated = add;
334 
335     // allow int32 or float SDK values and represent them as float
336     ConfigMapper::Mapper makeFloat = [](C2Value v) -> C2Value {
337         // convert from i32 to float
338         int32_t i32Value;
339         float fpValue;
340         if (v.get(&i32Value)) {
341             return (float)i32Value;
342         } else if (v.get(&fpValue)) {
343             return fpValue;
344         }
345         return C2Value();
346     };
347 
348     ConfigMapper::Mapper negate = [](C2Value v) -> C2Value {
349         int32_t value;
350         if (v.get(&value)) {
351             return -value;
352         }
353         return C2Value();
354     };
355 
356     add(ConfigMapper(KEY_MIME,     C2_PARAMKEY_INPUT_MEDIA_TYPE,    "value")
357         .limitTo(D::INPUT & D::READ));
358     add(ConfigMapper(KEY_MIME,     C2_PARAMKEY_OUTPUT_MEDIA_TYPE,   "value")
359         .limitTo(D::OUTPUT & D::READ));
360 
361     add(ConfigMapper(KEY_BIT_RATE, C2_PARAMKEY_BITRATE, "value")
362         .limitTo(D::ENCODER & D::OUTPUT));
363     // we also need to put the bitrate in the max bitrate field
364     add(ConfigMapper(KEY_MAX_BIT_RATE, C2_PARAMKEY_BITRATE, "value")
365         .limitTo(D::ENCODER & D::READ & D::OUTPUT));
366     add(ConfigMapper(PARAMETER_KEY_VIDEO_BITRATE, C2_PARAMKEY_BITRATE, "value")
367         .limitTo(D::ENCODER & D::VIDEO & D::PARAM));
368     add(ConfigMapper(KEY_BITRATE_MODE, C2_PARAMKEY_BITRATE_MODE, "value")
369         .limitTo(D::ENCODER & D::CODED)
370         .withC2Mappers<C2Config::bitrate_mode_t>());
371     // remove when codecs switch to PARAMKEY and new modes
372     deprecated(ConfigMapper(KEY_BITRATE_MODE, "coded.bitrate-mode", "value")
373                .limitTo(D::ENCODER));
374     add(ConfigMapper(KEY_FRAME_RATE, C2_PARAMKEY_FRAME_RATE, "value")
375         .limitTo(D::VIDEO)
376         .withMappers(makeFloat, [](C2Value v) -> C2Value {
377             // read back always as int
378             float value;
379             if (v.get(&value)) {
380                 return (int32_t)value;
381             }
382             return C2Value();
383         }));
384 
385     add(ConfigMapper(KEY_MAX_INPUT_SIZE, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE, "value")
386         .limitTo(D::INPUT));
387     // remove when codecs switch to PARAMKEY
388     deprecated(ConfigMapper(KEY_MAX_INPUT_SIZE, "coded.max-frame-size", "value")
389                .limitTo(D::INPUT));
390 
391     // Rotation
392     // Note: SDK rotation is clock-wise, while C2 rotation is counter-clock-wise
393     add(ConfigMapper(KEY_ROTATION, C2_PARAMKEY_VUI_ROTATION, "value")
394         .limitTo(D::VIDEO & D::CODED)
395         .withMappers(negate, negate));
396     add(ConfigMapper(KEY_ROTATION, C2_PARAMKEY_ROTATION, "value")
397         .limitTo(D::VIDEO & D::RAW)
398         .withMappers(negate, negate));
399 
400     // android 'video-scaling'
401     add(ConfigMapper("android._video-scaling", C2_PARAMKEY_SURFACE_SCALING_MODE, "value")
402         .limitTo(D::VIDEO & D::DECODER & D::RAW));
403 
404     // Color Aspects
405     //
406     // configure default for decoders
407     add(ConfigMapper(KEY_COLOR_RANGE,       C2_PARAMKEY_DEFAULT_COLOR_ASPECTS,   "range")
408         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::CODED & (D::CONFIG | D::PARAM))
409         .withC2Mappers<C2Color::range_t>());
410     add(ConfigMapper(KEY_COLOR_TRANSFER,    C2_PARAMKEY_DEFAULT_COLOR_ASPECTS,   "transfer")
411         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::CODED & (D::CONFIG | D::PARAM))
412         .withC2Mappers<C2Color::transfer_t>());
413     add(ConfigMapper("color-primaries",     C2_PARAMKEY_DEFAULT_COLOR_ASPECTS,   "primaries")
414         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::CODED & (D::CONFIG | D::PARAM)));
415     add(ConfigMapper("color-matrix",        C2_PARAMKEY_DEFAULT_COLOR_ASPECTS,   "matrix")
416         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::CODED & (D::CONFIG | D::PARAM)));
417 
418     // read back final for decoder output (also, configure final aspects as well. This should be
419     // overwritten based on coded/default values if component supports color aspects, but is used
420     // as final values if component does not support aspects at all)
421     add(ConfigMapper(KEY_COLOR_RANGE,       C2_PARAMKEY_COLOR_ASPECTS,   "range")
422         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::RAW)
423         .withC2Mappers<C2Color::range_t>());
424     add(ConfigMapper(KEY_COLOR_TRANSFER,    C2_PARAMKEY_COLOR_ASPECTS,   "transfer")
425         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::RAW)
426         .withC2Mappers<C2Color::transfer_t>());
427     add(ConfigMapper("color-primaries",     C2_PARAMKEY_COLOR_ASPECTS,   "primaries")
428         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::RAW));
429     add(ConfigMapper("color-matrix",        C2_PARAMKEY_COLOR_ASPECTS,   "matrix")
430         .limitTo((D::VIDEO | D::IMAGE) & D::DECODER  & D::RAW));
431 
432     // configure source aspects for encoders and read them back on the coded(!) port.
433     // This is to ensure muxing the desired aspects into the container.
434     add(ConfigMapper(KEY_COLOR_RANGE,       C2_PARAMKEY_COLOR_ASPECTS,   "range")
435         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::CODED)
436         .withC2Mappers<C2Color::range_t>());
437     add(ConfigMapper(KEY_COLOR_TRANSFER,    C2_PARAMKEY_COLOR_ASPECTS,   "transfer")
438         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::CODED)
439         .withC2Mappers<C2Color::transfer_t>());
440     add(ConfigMapper("color-primaries",     C2_PARAMKEY_COLOR_ASPECTS,   "primaries")
441         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::CODED));
442     add(ConfigMapper("color-matrix",        C2_PARAMKEY_COLOR_ASPECTS,   "matrix")
443         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::CODED));
444 
445     // read back coded aspects for encoders (on the raw port), but also configure
446     // desired aspects here.
447     add(ConfigMapper(KEY_COLOR_RANGE,       C2_PARAMKEY_VUI_COLOR_ASPECTS,   "range")
448         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::RAW)
449         .withC2Mappers<C2Color::range_t>());
450     add(ConfigMapper(KEY_COLOR_TRANSFER,    C2_PARAMKEY_VUI_COLOR_ASPECTS,   "transfer")
451         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::RAW)
452         .withC2Mappers<C2Color::transfer_t>());
453     add(ConfigMapper("color-primaries",     C2_PARAMKEY_VUI_COLOR_ASPECTS,   "primaries")
454         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::RAW));
455     add(ConfigMapper("color-matrix",        C2_PARAMKEY_VUI_COLOR_ASPECTS,   "matrix")
456         .limitTo((D::VIDEO | D::IMAGE) & D::ENCODER  & D::RAW));
457 
458     // Dataspace
459     add(ConfigMapper("android._dataspace", C2_PARAMKEY_DATA_SPACE, "value")
460         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
461 
462     // HDR
463     add(ConfigMapper("smpte2086.red.x", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.red.x")
464         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
465     add(ConfigMapper("smpte2086.red.y", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.red.y")
466         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
467     add(ConfigMapper("smpte2086.green.x", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.green.x")
468         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
469     add(ConfigMapper("smpte2086.green.y", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.green.y")
470         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
471     add(ConfigMapper("smpte2086.blue.x", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.blue.x")
472         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
473     add(ConfigMapper("smpte2086.blue.y", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.blue.y")
474         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
475     add(ConfigMapper("smpte2086.white.x", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.white.x")
476         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
477     add(ConfigMapper("smpte2086.white.y", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.white.y")
478         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
479     add(ConfigMapper("smpte2086.max-luminance", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.max-luminance")
480         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
481     add(ConfigMapper("smpte2086.min-luminance", C2_PARAMKEY_HDR_STATIC_INFO, "mastering.min-luminance")
482         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
483     add(ConfigMapper("cta861.max-cll", C2_PARAMKEY_HDR_STATIC_INFO, "max-cll")
484         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
485     add(ConfigMapper("cta861.max-fall", C2_PARAMKEY_HDR_STATIC_INFO, "max-fall")
486         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
487 
488     add(ConfigMapper(std::string(KEY_FEATURE_) + FEATURE_SecurePlayback,
489                      C2_PARAMKEY_SECURE_MODE, "value"));
490 
491     add(ConfigMapper(KEY_PREPEND_HEADERS_TO_SYNC_FRAMES,
492                      C2_PARAMKEY_PREPEND_HEADER_MODE, "value")
493         .limitTo(D::ENCODER & D::VIDEO)
494         .withMappers([](C2Value v) -> C2Value {
495             int32_t value;
496             if (v.get(&value)) {
497                 return value ? C2Value(C2Config::PREPEND_HEADER_TO_ALL_SYNC)
498                              : C2Value(C2Config::PREPEND_HEADER_TO_NONE);
499             }
500             return C2Value();
501         }, [](C2Value v) -> C2Value {
502             C2Config::prepend_header_mode_t value;
503             using C2ValueType=typename _c2_reduce_enum_to_underlying_type<decltype(value)>::type;
504             if (v.get((C2ValueType *)&value)) {
505                 switch (value) {
506                     case C2Config::PREPEND_HEADER_TO_NONE:      return 0;
507                     case C2Config::PREPEND_HEADER_TO_ALL_SYNC:  return 1;
508                     case C2Config::PREPEND_HEADER_ON_CHANGE:    [[fallthrough]];
509                     default:                                    return C2Value();
510                 }
511             }
512             return C2Value();
513         }));
514     // remove when codecs switch to PARAMKEY
515     deprecated(ConfigMapper(KEY_PREPEND_HEADERS_TO_SYNC_FRAMES,
516                             "coding.add-csd-to-sync-frames", "value")
517                .limitTo(D::ENCODER & D::VIDEO));
518     // convert to timestamp base
519     add(ConfigMapper(KEY_I_FRAME_INTERVAL, C2_PARAMKEY_SYNC_FRAME_INTERVAL, "value")
520         .limitTo(D::VIDEO & D::ENCODER & D::CONFIG)
521         .withMapper([](C2Value v) -> C2Value {
522             // convert from i32 to float
523             int32_t i32Value;
524             float fpValue;
525             if (v.get(&i32Value)) {
526                 return int64_t(1000000) * i32Value;
527             } else if (v.get(&fpValue)) {
528                 return int64_t(c2_min(1000000 * fpValue + 0.5, (double)INT64_MAX));
529             }
530             return C2Value();
531         }));
532     // remove when codecs switch to proper coding.gop (add support for calculating gop)
533     deprecated(ConfigMapper("i-frame-period", "coding.gop", "intra-period")
534                .limitTo(D::ENCODER & D::VIDEO));
535     add(ConfigMapper(KEY_INTRA_REFRESH_PERIOD, C2_PARAMKEY_INTRA_REFRESH, "period")
536         .limitTo(D::VIDEO & D::ENCODER)
537         .withMappers(makeFloat, [](C2Value v) -> C2Value {
538             // read back always as int
539             float value;
540             if (v.get(&value)) {
541                 return (int32_t)value;
542             }
543             return C2Value();
544         }));
545     deprecated(ConfigMapper(PARAMETER_KEY_REQUEST_SYNC_FRAME,
546                      "coding.request-sync", "value")
547         .limitTo(D::PARAM & D::ENCODER)
548         .withMapper([](C2Value) -> C2Value { return uint32_t(1); }));
549     add(ConfigMapper(PARAMETER_KEY_REQUEST_SYNC_FRAME,
550                      C2_PARAMKEY_REQUEST_SYNC_FRAME, "value")
551         .limitTo(D::PARAM & D::ENCODER)
552         .withMapper([](C2Value) -> C2Value { return uint32_t(1); }));
553 
554     add(ConfigMapper(KEY_OPERATING_RATE,   C2_PARAMKEY_OPERATING_RATE,     "value")
555         .limitTo(D::PARAM | D::CONFIG) // write-only
556         .withMapper(makeFloat));
557     // C2 priorities are inverted
558     add(ConfigMapper(KEY_PRIORITY,         C2_PARAMKEY_PRIORITY,           "value")
559         .withMappers(negate, negate));
560     // remove when codecs switch to PARAMKEY
561     deprecated(ConfigMapper(KEY_OPERATING_RATE,   "ctrl.operating-rate",     "value")
562                .withMapper(makeFloat));
563     deprecated(ConfigMapper(KEY_PRIORITY,         "ctrl.priority",           "value"));
564 
565     add(ConfigMapper(KEY_WIDTH,         C2_PARAMKEY_PICTURE_SIZE,       "width")
566         .limitTo(D::VIDEO | D::IMAGE));
567     add(ConfigMapper(KEY_HEIGHT,        C2_PARAMKEY_PICTURE_SIZE,       "height")
568         .limitTo(D::VIDEO | D::IMAGE));
569 
570     add(ConfigMapper("crop-left",       C2_PARAMKEY_CROP_RECT,       "left")
571         .limitTo(D::VIDEO | D::IMAGE));
572     add(ConfigMapper("crop-top",        C2_PARAMKEY_CROP_RECT,       "top")
573         .limitTo(D::VIDEO | D::IMAGE));
574     add(ConfigMapper("crop-width",      C2_PARAMKEY_CROP_RECT,       "width")
575         .limitTo(D::VIDEO | D::IMAGE));
576     add(ConfigMapper("crop-height",     C2_PARAMKEY_CROP_RECT,       "height")
577         .limitTo(D::VIDEO | D::IMAGE));
578 
579     add(ConfigMapper(KEY_MAX_WIDTH,     C2_PARAMKEY_MAX_PICTURE_SIZE,    "width")
580         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
581     add(ConfigMapper(KEY_MAX_HEIGHT,    C2_PARAMKEY_MAX_PICTURE_SIZE,    "height")
582         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
583 
584     add(ConfigMapper("csd-0",           C2_PARAMKEY_INIT_DATA,       "value")
585         .limitTo(D::OUTPUT & D::READ));
586 
587     add(ConfigMapper(KEY_HDR10_PLUS_INFO, C2_PARAMKEY_INPUT_HDR10_PLUS_INFO, "value")
588         .limitTo(D::VIDEO & D::PARAM & D::INPUT));
589 
590     add(ConfigMapper(KEY_HDR10_PLUS_INFO, C2_PARAMKEY_OUTPUT_HDR10_PLUS_INFO, "value")
591         .limitTo(D::VIDEO & D::OUTPUT));
592 
593     add(ConfigMapper(C2_PARAMKEY_TEMPORAL_LAYERING, C2_PARAMKEY_TEMPORAL_LAYERING, "")
594         .limitTo(D::ENCODER & D::VIDEO & D::OUTPUT));
595 
596     // Pixel Format (use local key for actual pixel format as we don't distinguish between
597     // SDK layouts for flexible format and we need the actual SDK color format in the media format)
598     add(ConfigMapper("android._color-format",  C2_PARAMKEY_PIXEL_FORMAT, "value")
599         .limitTo((D::VIDEO | D::IMAGE) & D::RAW)
600         .withMappers([](C2Value v) -> C2Value {
601             int32_t value;
602             if (v.get(&value)) {
603                 uint32_t result;
604                 if (C2Mapper::mapPixelFormatFrameworkToCodec(value, &result)) {
605                     return result;
606                 }
607             }
608             return C2Value();
609         }, [](C2Value v) -> C2Value {
610             uint32_t value;
611             if (v.get(&value)) {
612                 int32_t result;
613                 if (C2Mapper::mapPixelFormatCodecToFramework(value, &result)) {
614                     return result;
615                 }
616             }
617             return C2Value();
618         }));
619 
620     add(ConfigMapper(KEY_PIXEL_ASPECT_RATIO_WIDTH,  C2_PARAMKEY_PIXEL_ASPECT_RATIO, "width")
621         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
622     add(ConfigMapper(KEY_PIXEL_ASPECT_RATIO_HEIGHT, C2_PARAMKEY_PIXEL_ASPECT_RATIO, "height")
623         .limitTo((D::VIDEO | D::IMAGE) & D::RAW));
624 
625     add(ConfigMapper(KEY_CHANNEL_COUNT, C2_PARAMKEY_CHANNEL_COUNT,       "value")
626         .limitTo(D::AUDIO)); // read back to both formats
627     add(ConfigMapper(KEY_CHANNEL_COUNT, C2_PARAMKEY_CODED_CHANNEL_COUNT, "value")
628         .limitTo(D::AUDIO & D::CODED));
629 
630     add(ConfigMapper(KEY_SAMPLE_RATE,   C2_PARAMKEY_SAMPLE_RATE,        "value")
631         .limitTo(D::AUDIO)); // read back to both port formats
632     add(ConfigMapper(KEY_SAMPLE_RATE,   C2_PARAMKEY_CODED_SAMPLE_RATE,  "value")
633         .limitTo(D::AUDIO & D::CODED));
634 
635     add(ConfigMapper(KEY_PCM_ENCODING,  C2_PARAMKEY_PCM_ENCODING,       "value")
636         .limitTo(D::AUDIO)
637         .withMappers([](C2Value v) -> C2Value {
638             int32_t value;
639             C2Config::pcm_encoding_t to;
640             if (v.get(&value) && C2Mapper::map(value, &to)) {
641                 return to;
642             }
643             return C2Value();
644         }, [](C2Value v) -> C2Value {
645             C2Config::pcm_encoding_t value;
646             int32_t to;
647             using C2ValueType=typename _c2_reduce_enum_to_underlying_type<decltype(value)>::type;
648             if (v.get((C2ValueType*)&value) && C2Mapper::map(value, &to)) {
649                 return to;
650             }
651             return C2Value();
652         }));
653 
654     add(ConfigMapper(KEY_IS_ADTS, C2_PARAMKEY_AAC_PACKAGING, "value")
655         .limitTo(D::AUDIO & D::CODED)
656         .withMappers([](C2Value v) -> C2Value {
657             int32_t value;
658             if (v.get(&value) && value) {
659                 return C2Config::AAC_PACKAGING_ADTS;
660             }
661             return C2Value();
662         }, [](C2Value v) -> C2Value {
663             uint32_t value;
664             if (v.get(&value) && value == C2Config::AAC_PACKAGING_ADTS) {
665                 return (int32_t)1;
666             }
667             return C2Value();
668         }));
669 
670     std::shared_ptr<C2Mapper::ProfileLevelMapper> mapper =
671         C2Mapper::GetProfileLevelMapper(mCodingMediaType);
672 
673     add(ConfigMapper(KEY_PROFILE, C2_PARAMKEY_PROFILE_LEVEL, "profile")
674         .limitTo(D::CODED)
675         .withMappers([mapper](C2Value v) -> C2Value {
676             C2Config::profile_t c2 = PROFILE_UNUSED;
677             int32_t sdk;
678             if (mapper && v.get(&sdk) && mapper->mapProfile(sdk, &c2)) {
679                 return c2;
680             }
681             return PROFILE_UNUSED;
682         }, [mapper](C2Value v) -> C2Value {
683             C2Config::profile_t c2;
684             int32_t sdk;
685             using C2ValueType=typename _c2_reduce_enum_to_underlying_type<decltype(c2)>::type;
686             if (mapper && v.get((C2ValueType*)&c2) && mapper->mapProfile(c2, &sdk)) {
687                 return sdk;
688             }
689             return C2Value();
690         }));
691 
692     add(ConfigMapper(KEY_LEVEL, C2_PARAMKEY_PROFILE_LEVEL, "level")
693         .limitTo(D::CODED)
694         .withMappers([mapper](C2Value v) -> C2Value {
695             C2Config::level_t c2 = LEVEL_UNUSED;
696             int32_t sdk;
697             if (mapper && v.get(&sdk) && mapper->mapLevel(sdk, &c2)) {
698                 return c2;
699             }
700             return LEVEL_UNUSED;
701         }, [mapper](C2Value v) -> C2Value {
702             C2Config::level_t c2;
703             int32_t sdk;
704             using C2ValueType=typename _c2_reduce_enum_to_underlying_type<decltype(c2)>::type;
705             if (mapper && v.get((C2ValueType*)&c2) && mapper->mapLevel(c2, &sdk)) {
706                 return sdk;
707             }
708             return C2Value();
709         }));
710 
711     // convert to dBFS and add default
712     add(ConfigMapper(KEY_AAC_DRC_TARGET_REFERENCE_LEVEL, C2_PARAMKEY_DRC_TARGET_REFERENCE_LEVEL, "value")
713         .limitTo(D::AUDIO & D::DECODER & (D::CONFIG | D::PARAM | D::READ))
714         .withMappers([](C2Value v) -> C2Value {
715             int32_t value;
716             if (!v.get(&value) || value < -1) {
717                 value = property_get_int32(PROP_DRC_OVERRIDE_REF_LEVEL, DRC_DEFAULT_MOBILE_REF_LEVEL);
718             }
719             return float(-0.25 * c2_min(value, 127));
720         },[](C2Value v) -> C2Value {
721             float value;
722             if (v.get(&value)) {
723                 return (int32_t) (-4. * value);
724             }
725             return C2Value();
726         }));
727 
728     // convert to 0-1 (%) and add default
729     add(ConfigMapper(KEY_AAC_DRC_ATTENUATION_FACTOR, C2_PARAMKEY_DRC_ATTENUATION_FACTOR, "value")
730         .limitTo(D::AUDIO & D::DECODER & (D::CONFIG | D::PARAM | D::READ))
731         .withMappers([](C2Value v) -> C2Value {
732             int32_t value;
733             if (!v.get(&value) || value < 0) {
734                 value = property_get_int32(PROP_DRC_OVERRIDE_CUT, DRC_DEFAULT_MOBILE_DRC_CUT);
735             }
736             return float(c2_min(value, 127) / 127.);
737         },[](C2Value v) -> C2Value {
738             float value;
739             if (v.get(&value)) {
740               return (int32_t) (value * 127. + 0.5);
741             }
742             else {
743               return C2Value();
744             }
745         }));
746 
747     // convert to 0-1 (%) and add default
748     add(ConfigMapper(KEY_AAC_DRC_BOOST_FACTOR, C2_PARAMKEY_DRC_BOOST_FACTOR, "value")
749         .limitTo(D::AUDIO & D::DECODER & (D::CONFIG | D::PARAM | D::READ))
750         .withMappers([](C2Value v) -> C2Value {
751             int32_t value;
752             if (!v.get(&value) || value < 0) {
753                 value = property_get_int32(PROP_DRC_OVERRIDE_BOOST, DRC_DEFAULT_MOBILE_DRC_BOOST);
754             }
755             return float(c2_min(value, 127) / 127.);
756         },[](C2Value v) -> C2Value {
757             float value;
758             if (v.get(&value)) {
759               return (int32_t) (value * 127. + 0.5);
760             }
761             else {
762               return C2Value();
763             }
764         }));
765 
766     // convert to compression type and add default
767     add(ConfigMapper(KEY_AAC_DRC_HEAVY_COMPRESSION, C2_PARAMKEY_DRC_COMPRESSION_MODE, "value")
768         .limitTo(D::AUDIO & D::DECODER & (D::CONFIG | D::PARAM | D::READ))
769         .withMappers([](C2Value v) -> C2Value {
770             int32_t value;
771             if (!v.get(&value) || value < 0) {
772                 value = property_get_int32(PROP_DRC_OVERRIDE_HEAVY, DRC_DEFAULT_MOBILE_DRC_HEAVY);
773             }
774             return value == 1 ? C2Config::DRC_COMPRESSION_HEAVY : C2Config::DRC_COMPRESSION_LIGHT;
775         },[](C2Value v) -> C2Value {
776             int32_t value;
777             if (v.get(&value)) {
778               return value;
779             }
780             else {
781               return C2Value();
782             }
783         }));
784 
785     // convert to dBFS and add default
786     add(ConfigMapper(KEY_AAC_ENCODED_TARGET_LEVEL, C2_PARAMKEY_DRC_ENCODED_TARGET_LEVEL, "value")
787         .limitTo(D::AUDIO & D::DECODER & (D::CONFIG | D::PARAM | D::READ))
788         .withMappers([](C2Value v) -> C2Value {
789             int32_t value;
790             if (!v.get(&value) || value < 0) {
791                 value = property_get_int32(PROP_DRC_OVERRIDE_ENC_LEVEL, DRC_DEFAULT_MOBILE_ENC_LEVEL);
792             }
793             return float(-0.25 * c2_min(value, 127));
794         },[](C2Value v) -> C2Value {
795             float value;
796             if (v.get(&value)) {
797               return (int32_t) (-4. * value);
798             }
799             else {
800               return C2Value();
801             }
802         }));
803 
804     // convert to effect type (these map to SDK values) and add default
805     add(ConfigMapper(KEY_AAC_DRC_EFFECT_TYPE, C2_PARAMKEY_DRC_EFFECT_TYPE, "value")
806         .limitTo(D::AUDIO & D::DECODER & (D::CONFIG | D::PARAM | D::READ))
807         .withMappers([](C2Value v) -> C2Value {
808             int32_t value;
809             if (!v.get(&value) || value < -1 || value > 8) {
810                 value = property_get_int32(PROP_DRC_OVERRIDE_EFFECT, DRC_DEFAULT_MOBILE_DRC_EFFECT);
811                 // ensure value is within range
812                 if (value < -1 || value > 8) {
813                     value = DRC_DEFAULT_MOBILE_DRC_EFFECT;
814                 }
815             }
816             return value;
817         },[](C2Value v) -> C2Value {
818             int32_t value;
819             if (v.get(&value)) {
820               return  value;
821             }
822             else {
823               return C2Value();
824             }
825         }));
826 
827     // convert to album mode and add default
828     add(ConfigMapper(KEY_AAC_DRC_ALBUM_MODE, C2_PARAMKEY_DRC_ALBUM_MODE, "value")
829         .limitTo(D::AUDIO & D::DECODER & (D::CONFIG | D::PARAM | D::READ))
830         .withMappers([](C2Value v) -> C2Value {
831             int32_t value;
832             if (!v.get(&value) || value < 0 || value > 1) {
833                 value = DRC_DEFAULT_MOBILE_DRC_ALBUM;
834                 // ensure value is within range
835                 if (value < 0 || value > 1) {
836                     value = DRC_DEFAULT_MOBILE_DRC_ALBUM;
837                 }
838             }
839             return value;
840         },[](C2Value v) -> C2Value {
841             int32_t value;
842             if (v.get(&value)) {
843               return value;
844             }
845             else {
846               return C2Value();
847             }
848         }));
849 
850     add(ConfigMapper(KEY_AAC_DRC_OUTPUT_LOUDNESS, C2_PARAMKEY_DRC_OUTPUT_LOUDNESS, "value")
851         .limitTo(D::OUTPUT & D::DECODER & D::READ)
852         .withMappers([](C2Value v) -> C2Value {
853             int32_t value;
854             if (!v.get(&value) || value < -1) {
855                 value = DRC_DEFAULT_MOBILE_OUTPUT_LOUDNESS;
856             }
857             return float(-0.25 * c2_min(value, 127));
858         },[](C2Value v) -> C2Value {
859             float value;
860             if (v.get(&value)) {
861                 return (int32_t) (-4. * value);
862             }
863             return C2Value();
864         }));
865 
866     add(ConfigMapper(KEY_AAC_MAX_OUTPUT_CHANNEL_COUNT, C2_PARAMKEY_MAX_CHANNEL_COUNT, "value")
867         .limitTo(D::AUDIO & (D::CONFIG | D::PARAM | D::READ)));
868 
869     add(ConfigMapper(KEY_AAC_SBR_MODE, C2_PARAMKEY_AAC_SBR_MODE, "value")
870         .limitTo(D::AUDIO & D::ENCODER & (D::CONFIG | D::PARAM | D::READ))
871         .withMapper([](C2Value v) -> C2Value {
872             int32_t value;
873             if (!v.get(&value) || value < 0) {
874                 return C2Config::AAC_SBR_AUTO;
875             }
876             switch (value) {
877                 case 0: return C2Config::AAC_SBR_OFF;
878                 case 1: return C2Config::AAC_SBR_SINGLE_RATE;
879                 case 2: return C2Config::AAC_SBR_DUAL_RATE;
880                 default: return C2Config::AAC_SBR_AUTO + 1; // invalid value
881             }
882         }));
883 
884     add(ConfigMapper(KEY_QUALITY, C2_PARAMKEY_QUALITY, "value")
885         .limitTo(D::ENCODER & (D::CONFIG | D::PARAM)));
886     add(ConfigMapper(KEY_FLAC_COMPRESSION_LEVEL, C2_PARAMKEY_COMPLEXITY, "value")
887         .limitTo(D::AUDIO & D::ENCODER));
888     add(ConfigMapper("complexity", C2_PARAMKEY_COMPLEXITY, "value")
889         .limitTo(D::ENCODER & (D::CONFIG | D::PARAM)));
890 
891     add(ConfigMapper(KEY_GRID_COLUMNS, C2_PARAMKEY_TILE_LAYOUT, "columns")
892         .limitTo(D::IMAGE));
893     add(ConfigMapper(KEY_GRID_ROWS, C2_PARAMKEY_TILE_LAYOUT, "rows")
894         .limitTo(D::IMAGE));
895     add(ConfigMapper(KEY_TILE_WIDTH, C2_PARAMKEY_TILE_LAYOUT, "tile.width")
896         .limitTo(D::IMAGE));
897     add(ConfigMapper(KEY_TILE_HEIGHT, C2_PARAMKEY_TILE_LAYOUT, "tile.height")
898         .limitTo(D::IMAGE));
899 
900     add(ConfigMapper(KEY_LATENCY, C2_PARAMKEY_PIPELINE_DELAY_REQUEST, "value")
901         .limitTo(D::VIDEO & D::ENCODER));
902 
903     add(ConfigMapper(C2_PARAMKEY_INPUT_TIME_STRETCH, C2_PARAMKEY_INPUT_TIME_STRETCH, "value"));
904 
905     add(ConfigMapper(KEY_LOW_LATENCY, C2_PARAMKEY_LOW_LATENCY_MODE, "value")
906         .limitTo(D::DECODER & (D::CONFIG | D::PARAM))
907         .withMapper([](C2Value v) -> C2Value {
908             int32_t value = 0;
909             (void)v.get(&value);
910             return value == 0 ? C2_FALSE : C2_TRUE;
911         }));
912 
913     /* still to do
914     constexpr char KEY_PUSH_BLANK_BUFFERS_ON_STOP[] = "push-blank-buffers-on-shutdown";
915 
916        not yet used by MediaCodec, but defined as MediaFormat
917     KEY_AUDIO_SESSION_ID // we use "audio-hw-sync"
918     KEY_OUTPUT_REORDER_DEPTH
919     */
920 }
921 
initialize(const std::shared_ptr<C2ParamReflector> & reflector,const std::shared_ptr<Codec2Client::Configurable> & configurable)922 status_t CCodecConfig::initialize(
923         const std::shared_ptr<C2ParamReflector> &reflector,
924         const std::shared_ptr<Codec2Client::Configurable> &configurable) {
925     C2ComponentDomainSetting domain(C2Component::DOMAIN_OTHER);
926     C2ComponentKindSetting kind(C2Component::KIND_OTHER);
927 
928     std::vector<std::unique_ptr<C2Param>> queried;
929     c2_status_t c2err = configurable->query({ &domain, &kind }, {}, C2_DONT_BLOCK, &queried);
930     if (c2err != C2_OK) {
931         ALOGD("Query domain & kind failed => %s", asString(c2err));
932         // TEMP: determine kind from component name
933         if (kind.value == C2Component::KIND_OTHER) {
934             if (configurable->getName().find("encoder") != std::string::npos) {
935                 kind.value = C2Component::KIND_ENCODER;
936             } else if (configurable->getName().find("decoder") != std::string::npos) {
937                 kind.value = C2Component::KIND_DECODER;
938             }
939         }
940 
941         // TEMP: determine domain from media type (port (preferred) or stream #0)
942         if (domain.value == C2Component::DOMAIN_OTHER) {
943             AString mediaType = QueryMediaType(true /* input */, configurable);
944             if (mediaType.startsWith("audio/")) {
945                 domain.value = C2Component::DOMAIN_AUDIO;
946             } else if (mediaType.startsWith("video/")) {
947                 domain.value = C2Component::DOMAIN_VIDEO;
948             } else if (mediaType.startsWith("image/")) {
949                 domain.value = C2Component::DOMAIN_IMAGE;
950             }
951         }
952     }
953 
954     mDomain = (domain.value == C2Component::DOMAIN_VIDEO ? Domain::IS_VIDEO :
955                domain.value == C2Component::DOMAIN_IMAGE ? Domain::IS_IMAGE :
956                domain.value == C2Component::DOMAIN_AUDIO ? Domain::IS_AUDIO : Domain::OTHER_DOMAIN)
957             | (kind.value == C2Component::KIND_DECODER ? Domain::IS_DECODER :
958                kind.value == C2Component::KIND_ENCODER ? Domain::IS_ENCODER : Domain::OTHER_KIND);
959 
960     mInputDomain = Domain(((mDomain & IS_DECODER) ? IS_CODED : IS_RAW) | IS_INPUT);
961     mOutputDomain = Domain(((mDomain & IS_ENCODER) ? IS_CODED : IS_RAW) | IS_OUTPUT);
962 
963     ALOGV("domain is %#x (%u %u)", mDomain, domain.value, kind.value);
964 
965     std::vector<C2Param::Index> paramIndices;
966     switch (kind.value) {
967     case C2Component::KIND_DECODER:
968         mCodingMediaType = QueryMediaType(true /* input */, configurable).c_str();
969         break;
970     case C2Component::KIND_ENCODER:
971         mCodingMediaType = QueryMediaType(false /* input */, configurable).c_str();
972         break;
973     default:
974         mCodingMediaType = "";
975     }
976 
977     c2err = configurable->querySupportedParams(&mParamDescs);
978     if (c2err != C2_OK) {
979         ALOGD("Query supported params failed after returning %zu values => %s",
980                 mParamDescs.size(), asString(c2err));
981         return UNKNOWN_ERROR;
982     }
983     for (const std::shared_ptr<C2ParamDescriptor> &desc : mParamDescs) {
984         mSupportedIndices.emplace(desc->index());
985     }
986 
987     mReflector = reflector;
988     if (mReflector == nullptr) {
989         ALOGE("Null param reflector");
990         return UNKNOWN_ERROR;
991     }
992 
993     // enumerate all fields
994     mParamUpdater = std::make_shared<ReflectedParamUpdater>();
995     mParamUpdater->clear();
996     mParamUpdater->supportWholeParam(
997             C2_PARAMKEY_TEMPORAL_LAYERING, C2StreamTemporalLayeringTuning::CORE_INDEX);
998     mParamUpdater->addParamDesc(mReflector, mParamDescs);
999 
1000     // TEMP: add some standard fields even if not reflected
1001     if (kind.value == C2Component::KIND_ENCODER) {
1002         mParamUpdater->addStandardParam<C2StreamInitDataInfo::output>(C2_PARAMKEY_INIT_DATA);
1003     }
1004     if (domain.value == C2Component::DOMAIN_IMAGE || domain.value == C2Component::DOMAIN_VIDEO) {
1005         if (kind.value != C2Component::KIND_ENCODER) {
1006             addLocalParam<C2StreamPictureSizeInfo::output>(C2_PARAMKEY_PICTURE_SIZE);
1007             addLocalParam<C2StreamCropRectInfo::output>(C2_PARAMKEY_CROP_RECT);
1008             addLocalParam(
1009                     new C2StreamPixelAspectRatioInfo::output(0u, 1u, 1u),
1010                     C2_PARAMKEY_PIXEL_ASPECT_RATIO);
1011             addLocalParam(new C2StreamRotationInfo::output(0u, 0), C2_PARAMKEY_ROTATION);
1012             addLocalParam(new C2StreamColorAspectsInfo::output(0u), C2_PARAMKEY_COLOR_ASPECTS);
1013             addLocalParam<C2StreamDataSpaceInfo::output>(C2_PARAMKEY_DATA_SPACE);
1014             addLocalParam<C2StreamHdrStaticInfo::output>(C2_PARAMKEY_HDR_STATIC_INFO);
1015             addLocalParam(new C2StreamSurfaceScalingInfo::output(0u, VIDEO_SCALING_MODE_SCALE_TO_FIT),
1016                           C2_PARAMKEY_SURFACE_SCALING_MODE);
1017         } else {
1018             addLocalParam(new C2StreamColorAspectsInfo::input(0u), C2_PARAMKEY_COLOR_ASPECTS);
1019         }
1020     }
1021 
1022     initializeStandardParams();
1023 
1024     // subscribe to all supported standard (exposed) params
1025     // TODO: limit this to params that are actually in the domain
1026     std::vector<std::string> formatKeys = mStandardParams->getPathsForDomain(Domain(1 << 30));
1027     std::vector<C2Param::Index> indices;
1028     mParamUpdater->getParamIndicesForKeys(formatKeys, &indices);
1029     mSubscribedIndices.insert(indices.begin(), indices.end());
1030 
1031     // also subscribe to some non-SDK standard parameters
1032     // for number of input/output buffers
1033     mSubscribedIndices.emplace(C2PortSuggestedBufferCountTuning::input::PARAM_TYPE);
1034     mSubscribedIndices.emplace(C2PortSuggestedBufferCountTuning::output::PARAM_TYPE);
1035     mSubscribedIndices.emplace(C2ActualPipelineDelayTuning::PARAM_TYPE);
1036     mSubscribedIndices.emplace(C2PortActualDelayTuning::input::PARAM_TYPE);
1037     mSubscribedIndices.emplace(C2PortActualDelayTuning::output::PARAM_TYPE);
1038     // for output buffer array allocation
1039     mSubscribedIndices.emplace(C2StreamMaxBufferSizeInfo::output::PARAM_TYPE);
1040     // init data (CSD)
1041     mSubscribedIndices.emplace(C2StreamInitDataInfo::output::PARAM_TYPE);
1042 
1043     for (const std::shared_ptr<C2ParamDescriptor> &desc : mParamDescs) {
1044         if (desc->index().isVendor()) {
1045             std::vector<std::string> keys;
1046             mParamUpdater->getKeysForParamIndex(desc->index(), &keys);
1047             for (const std::string &key : keys) {
1048                 mVendorParamIndices.insert_or_assign(key, desc->index());
1049             }
1050         }
1051     }
1052 
1053     return OK;
1054 }
1055 
subscribeToConfigUpdate(const std::shared_ptr<Codec2Client::Configurable> & configurable,const std::vector<C2Param::Index> & indices,c2_blocking_t blocking)1056 status_t CCodecConfig::subscribeToConfigUpdate(
1057         const std::shared_ptr<Codec2Client::Configurable> &configurable,
1058         const std::vector<C2Param::Index> &indices,
1059         c2_blocking_t blocking) {
1060     mSubscribedIndices.insert(indices.begin(), indices.end());
1061     // TODO: enable this when components no longer crash on this config
1062     if (mSubscribedIndices.size() != mSubscribedIndicesSize && false) {
1063         std::vector<uint32_t> indices;
1064         for (C2Param::Index ix : mSubscribedIndices) {
1065             indices.push_back(ix);
1066         }
1067         std::unique_ptr<C2SubscribedParamIndicesTuning> subscribeTuning =
1068             C2SubscribedParamIndicesTuning::AllocUnique(indices);
1069         std::vector<std::unique_ptr<C2SettingResult>> results;
1070         c2_status_t c2Err = configurable->config({ subscribeTuning.get() }, blocking, &results);
1071         if (c2Err != C2_OK && c2Err != C2_BAD_INDEX) {
1072             ALOGD("Failed to subscribe to parameters => %s", asString(c2Err));
1073             // TODO: error
1074         }
1075         ALOGV("Subscribed to %zu params", mSubscribedIndices.size());
1076         mSubscribedIndicesSize = mSubscribedIndices.size();
1077     }
1078     return OK;
1079 }
1080 
queryConfiguration(const std::shared_ptr<Codec2Client::Configurable> & configurable)1081 status_t CCodecConfig::queryConfiguration(
1082         const std::shared_ptr<Codec2Client::Configurable> &configurable) {
1083     // query all subscribed parameters
1084     std::vector<C2Param::Index> indices(mSubscribedIndices.begin(), mSubscribedIndices.end());
1085     std::vector<std::unique_ptr<C2Param>> queried;
1086     c2_status_t c2Err = configurable->query({}, indices, C2_MAY_BLOCK, &queried);
1087     if (c2Err != OK) {
1088         ALOGI("query failed after returning %zu values (%s)", queried.size(), asString(c2Err));
1089         // TODO: error
1090     }
1091 
1092     updateConfiguration(queried, ALL);
1093     return OK;
1094 }
1095 
updateConfiguration(std::vector<std::unique_ptr<C2Param>> & configUpdate,Domain domain)1096 bool CCodecConfig::updateConfiguration(
1097         std::vector<std::unique_ptr<C2Param>> &configUpdate, Domain domain) {
1098     ALOGV("updating configuration with %zu params", configUpdate.size());
1099     bool changed = false;
1100     for (std::unique_ptr<C2Param> &p : configUpdate) {
1101         if (p && *p) {
1102             auto insertion = mCurrentConfig.emplace(p->index(), nullptr);
1103             if (insertion.second || *insertion.first->second != *p) {
1104                 if (mSupportedIndices.count(p->index()) || mLocalParams.count(p->index())) {
1105                     // only track changes in supported (reflected or local) indices
1106                     changed = true;
1107                 } else {
1108                     ALOGV("an unlisted config was %s: %#x",
1109                             insertion.second ? "added" : "updated", p->index());
1110                 }
1111             }
1112             insertion.first->second = std::move(p);
1113         }
1114     }
1115 
1116     ALOGV("updated configuration has %zu params (%s)", mCurrentConfig.size(),
1117             changed ? "CHANGED" : "no change");
1118     if (changed) {
1119         return updateFormats(domain);
1120     }
1121     return false;
1122 }
1123 
updateFormats(Domain domain)1124 bool CCodecConfig::updateFormats(Domain domain) {
1125     // get addresses of params in the current config
1126     std::vector<C2Param*> paramPointers;
1127     for (const auto &it : mCurrentConfig) {
1128         paramPointers.push_back(it.second.get());
1129     }
1130 
1131     ReflectedParamUpdater::Dict reflected = mParamUpdater->getParams(paramPointers);
1132     std::string config = reflected.debugString();
1133     std::set<std::string> configLines;
1134     std::string diff;
1135     for (size_t start = 0; start != std::string::npos; ) {
1136         size_t end = config.find('\n', start);
1137         size_t count = (end == std::string::npos)
1138                 ? std::string::npos
1139                 : end - start + 1;
1140         std::string line = config.substr(start, count);
1141         configLines.insert(line);
1142         if (mLastConfig.count(line) == 0) {
1143             diff.append(line);
1144         }
1145         start = (end == std::string::npos) ? std::string::npos : end + 1;
1146     }
1147     if (!diff.empty()) {
1148         ALOGD("c2 config diff is %s", diff.c_str());
1149     }
1150     mLastConfig.swap(configLines);
1151 
1152     bool changed = false;
1153     if (domain & mInputDomain) {
1154         sp<AMessage> oldFormat = mInputFormat;
1155         mInputFormat = mInputFormat->dup(); // trigger format changed
1156         mInputFormat->extend(getFormatForDomain(reflected, mInputDomain));
1157         if (mInputFormat->countEntries() != oldFormat->countEntries()
1158                 || mInputFormat->changesFrom(oldFormat)->countEntries() > 0) {
1159             changed = true;
1160         } else {
1161             mInputFormat = oldFormat; // no change
1162         }
1163     }
1164     if (domain & mOutputDomain) {
1165         sp<AMessage> oldFormat = mOutputFormat;
1166         mOutputFormat = mOutputFormat->dup(); // trigger output format changed
1167         mOutputFormat->extend(getFormatForDomain(reflected, mOutputDomain));
1168         if (mOutputFormat->countEntries() != oldFormat->countEntries()
1169                 || mOutputFormat->changesFrom(oldFormat)->countEntries() > 0) {
1170             changed = true;
1171         } else {
1172             mOutputFormat = oldFormat; // no change
1173         }
1174     }
1175     ALOGV_IF(changed, "format(s) changed");
1176     return changed;
1177 }
1178 
getFormatForDomain(const ReflectedParamUpdater::Dict & reflected,Domain portDomain) const1179 sp<AMessage> CCodecConfig::getFormatForDomain(
1180         const ReflectedParamUpdater::Dict &reflected,
1181         Domain portDomain) const {
1182     sp<AMessage> msg = new AMessage;
1183     for (const std::pair<std::string, std::vector<ConfigMapper>> &el : mStandardParams->getKeys()) {
1184         for (const ConfigMapper &cm : el.second) {
1185             if ((cm.domain() & portDomain) == 0 // input-output-coded-raw
1186                 || (cm.domain() & mDomain) != mDomain // component domain + kind (these must match)
1187                 || (cm.domain() & IS_READ) == 0) {
1188                 continue;
1189             }
1190             auto it = reflected.find(cm.path());
1191             if (it == reflected.end()) {
1192                 continue;
1193             }
1194             C2Value c2Value;
1195             sp<ABuffer> bufValue;
1196             AString strValue;
1197             AMessage::ItemData item;
1198             if (it->second.find(&c2Value)) {
1199                 item = cm.mapToMessage(c2Value);
1200             } else if (it->second.find(&bufValue)) {
1201                 item.set(bufValue);
1202             } else if (it->second.find(&strValue)) {
1203                 item.set(strValue);
1204             } else {
1205                 ALOGD("unexpected untyped query value for key: %s", cm.path().c_str());
1206                 continue;
1207             }
1208             msg->setItem(el.first.c_str(), item);
1209         }
1210     }
1211 
1212     bool input = (portDomain & Domain::IS_INPUT);
1213     std::vector<std::string> vendorKeys;
1214     for (const std::pair<std::string, ReflectedParamUpdater::Value> &entry : reflected) {
1215         auto it = mVendorParamIndices.find(entry.first);
1216         if (it == mVendorParamIndices.end()) {
1217             continue;
1218         }
1219         if (mSubscribedIndices.count(it->second) == 0) {
1220             continue;
1221         }
1222         // For vendor parameters, we only care about direction
1223         if ((input && !it->second.forInput())
1224                 || (!input && !it->second.forOutput())) {
1225             continue;
1226         }
1227         const ReflectedParamUpdater::Value &value = entry.second;
1228         C2Value c2Value;
1229         sp<ABuffer> bufValue;
1230         AString strValue;
1231         AMessage::ItemData item;
1232         if (value.find(&c2Value)) {
1233             C2ValueToMessageItem(c2Value, item);
1234         } else if (value.find(&bufValue)) {
1235             item.set(bufValue);
1236         } else if (value.find(&strValue)) {
1237             item.set(strValue);
1238         } else {
1239             ALOGD("unexpected untyped query value for key: %s", entry.first.c_str());
1240             continue;
1241         }
1242         msg->setItem(entry.first.c_str(), item);
1243     }
1244 
1245     { // convert from Codec 2.0 rect to MediaFormat rect and add crop rect if not present
1246         int32_t left, top, width, height;
1247         if (msg->findInt32("crop-left", &left) && msg->findInt32("crop-width", &width)
1248                 && msg->findInt32("crop-top", &top) && msg->findInt32("crop-height", &height)
1249                 && left >= 0 && width >=0 && width <= INT32_MAX - left
1250                 && top >= 0 && height >=0 && height <= INT32_MAX - top) {
1251             msg->removeEntryAt(msg->findEntryByName("crop-left"));
1252             msg->removeEntryAt(msg->findEntryByName("crop-top"));
1253             msg->removeEntryAt(msg->findEntryByName("crop-width"));
1254             msg->removeEntryAt(msg->findEntryByName("crop-height"));
1255             msg->setRect("crop", left, top, left + width - 1, top + height - 1);
1256         } else if (msg->findInt32("width", &width) && msg->findInt32("height", &height)) {
1257             msg->setRect("crop", 0, 0, width - 1, height - 1);
1258         }
1259     }
1260 
1261     { // convert temporal layering to schema
1262         sp<ABuffer> tmp;
1263         if (msg->findBuffer(C2_PARAMKEY_TEMPORAL_LAYERING, &tmp) && tmp != nullptr) {
1264             C2StreamTemporalLayeringTuning *layering =
1265                 C2StreamTemporalLayeringTuning::From(C2Param::From(tmp->data(), tmp->size()));
1266             if (layering && layering->m.layerCount > 0
1267                     && layering->m.bLayerCount < layering->m.layerCount) {
1268                 // check if this is webrtc compatible
1269                 AString mime;
1270                 if (msg->findString(KEY_MIME, &mime) &&
1271                         mime.equalsIgnoreCase(MIMETYPE_VIDEO_VP8) &&
1272                         layering->m.bLayerCount == 0 &&
1273                         (layering->m.layerCount == 1
1274                                 || (layering->m.layerCount == 2
1275                                         && layering->flexCount() >= 1
1276                                         && layering->m.bitrateRatios[0] == .6f)
1277                                 || (layering->m.layerCount == 3
1278                                         && layering->flexCount() >= 2
1279                                         && layering->m.bitrateRatios[0] == .4f
1280                                         && layering->m.bitrateRatios[1] == .6f)
1281                                 || (layering->m.layerCount == 4
1282                                         && layering->flexCount() >= 3
1283                                         && layering->m.bitrateRatios[0] == .25f
1284                                         && layering->m.bitrateRatios[1] == .4f
1285                                         && layering->m.bitrateRatios[2] == .6f))) {
1286                     msg->setString(KEY_TEMPORAL_LAYERING, AStringPrintf(
1287                             "webrtc.vp8.%u-layer", layering->m.layerCount));
1288                 } else if (layering->m.bLayerCount) {
1289                     msg->setString(KEY_TEMPORAL_LAYERING, AStringPrintf(
1290                             "android.generic.%u+%u",
1291                             layering->m.layerCount - layering->m.bLayerCount,
1292                             layering->m.bLayerCount));
1293                 } else if (layering->m.bLayerCount) {
1294                     msg->setString(KEY_TEMPORAL_LAYERING, AStringPrintf(
1295                             "android.generic.%u", layering->m.layerCount));
1296                 }
1297             }
1298             msg->removeEntryAt(msg->findEntryByName(C2_PARAMKEY_TEMPORAL_LAYERING));
1299         }
1300     }
1301 
1302     { // convert color info
1303         C2Color::primaries_t primaries;
1304         C2Color::matrix_t matrix;
1305         if (msg->findInt32("color-primaries", (int32_t*)&primaries)
1306                 && msg->findInt32("color-matrix", (int32_t*)&matrix)) {
1307             int32_t standard;
1308 
1309             if (C2Mapper::map(primaries, matrix, &standard)) {
1310                 msg->setInt32(KEY_COLOR_STANDARD, standard);
1311             }
1312 
1313             msg->removeEntryAt(msg->findEntryByName("color-primaries"));
1314             msg->removeEntryAt(msg->findEntryByName("color-matrix"));
1315         }
1316 
1317 
1318         // calculate dataspace for raw graphic buffers if not specified by component, or if
1319         // using surface with unspecified aspects (as those must be defaulted which may change
1320         // the dataspace)
1321         if ((portDomain & IS_RAW) && (mDomain & (IS_IMAGE | IS_VIDEO))) {
1322             android_dataspace dataspace;
1323             ColorAspects aspects = {
1324                 ColorAspects::RangeUnspecified, ColorAspects::PrimariesUnspecified,
1325                 ColorAspects::TransferUnspecified, ColorAspects::MatrixUnspecified
1326             };
1327             ColorUtils::getColorAspectsFromFormat(msg, aspects);
1328             ColorAspects origAspects = aspects;
1329             if (mUsingSurface) {
1330                 // get image size (default to HD)
1331                 int32_t width = 1280;
1332                 int32_t height = 720;
1333                 int32_t left, top, right, bottom;
1334                 if (msg->findRect("crop", &left, &top, &right, &bottom)) {
1335                     width = right - left + 1;
1336                     height = bottom - top + 1;
1337                 } else {
1338                     (void)msg->findInt32(KEY_WIDTH, &width);
1339                     (void)msg->findInt32(KEY_HEIGHT, &height);
1340                 }
1341                 ColorUtils::setDefaultCodecColorAspectsIfNeeded(aspects, width, height);
1342                 ColorUtils::setColorAspectsIntoFormat(aspects, msg);
1343             }
1344 
1345             if (!msg->findInt32("android._dataspace", (int32_t*)&dataspace)
1346                     || aspects.mRange != origAspects.mRange
1347                     || aspects.mPrimaries != origAspects.mPrimaries
1348                     || aspects.mTransfer != origAspects.mTransfer
1349                     || aspects.mMatrixCoeffs != origAspects.mMatrixCoeffs) {
1350                 dataspace = ColorUtils::getDataSpaceForColorAspects(aspects, true /* mayExpand */);
1351                 msg->setInt32("android._dataspace", dataspace);
1352             }
1353         }
1354 
1355         // HDR static info
1356 
1357         C2HdrStaticMetadataStruct hdr;
1358         if (msg->findFloat("smpte2086.red.x", &hdr.mastering.red.x)
1359                 && msg->findFloat("smpte2086.red.y", &hdr.mastering.red.y)
1360                 && msg->findFloat("smpte2086.green.x", &hdr.mastering.green.x)
1361                 && msg->findFloat("smpte2086.green.y", &hdr.mastering.green.y)
1362                 && msg->findFloat("smpte2086.blue.x", &hdr.mastering.blue.x)
1363                 && msg->findFloat("smpte2086.blue.y", &hdr.mastering.blue.y)
1364                 && msg->findFloat("smpte2086.white.x", &hdr.mastering.white.x)
1365                 && msg->findFloat("smpte2086.white.y", &hdr.mastering.white.y)
1366                 && msg->findFloat("smpte2086.max-luminance", &hdr.mastering.maxLuminance)
1367                 && msg->findFloat("smpte2086.min-luminance", &hdr.mastering.minLuminance)
1368                 && msg->findFloat("cta861.max-cll", &hdr.maxCll)
1369                 && msg->findFloat("cta861.max-fall", &hdr.maxFall)) {
1370             if (hdr.mastering.red.x >= 0                && hdr.mastering.red.x <= 1
1371                     && hdr.mastering.red.y >= 0         && hdr.mastering.red.y <= 1
1372                     && hdr.mastering.green.x >= 0       && hdr.mastering.green.x <= 1
1373                     && hdr.mastering.green.y >= 0       && hdr.mastering.green.y <= 1
1374                     && hdr.mastering.blue.x >= 0        && hdr.mastering.blue.x <= 1
1375                     && hdr.mastering.blue.y >= 0        && hdr.mastering.blue.y <= 1
1376                     && hdr.mastering.white.x >= 0       && hdr.mastering.white.x <= 1
1377                     && hdr.mastering.white.y >= 0       && hdr.mastering.white.y <= 1
1378                     && hdr.mastering.maxLuminance >= 0  && hdr.mastering.maxLuminance <= 65535
1379                     && hdr.mastering.minLuminance >= 0  && hdr.mastering.minLuminance <= 6.5535
1380                     && hdr.maxCll >= 0                  && hdr.maxCll <= 65535
1381                     && hdr.maxFall >= 0                 && hdr.maxFall <= 65535) {
1382                 HDRStaticInfo meta;
1383                 meta.mID = meta.kType1;
1384                 meta.sType1.mR.x = hdr.mastering.red.x / 0.00002 + 0.5;
1385                 meta.sType1.mR.y = hdr.mastering.red.y / 0.00002 + 0.5;
1386                 meta.sType1.mG.x = hdr.mastering.green.x / 0.00002 + 0.5;
1387                 meta.sType1.mG.y = hdr.mastering.green.y / 0.00002 + 0.5;
1388                 meta.sType1.mB.x = hdr.mastering.blue.x / 0.00002 + 0.5;
1389                 meta.sType1.mB.y = hdr.mastering.blue.y / 0.00002 + 0.5;
1390                 meta.sType1.mW.x = hdr.mastering.white.x / 0.00002 + 0.5;
1391                 meta.sType1.mW.y = hdr.mastering.white.y / 0.00002 + 0.5;
1392                 meta.sType1.mMaxDisplayLuminance = hdr.mastering.maxLuminance + 0.5;
1393                 meta.sType1.mMinDisplayLuminance = hdr.mastering.minLuminance / 0.0001 + 0.5;
1394                 meta.sType1.mMaxContentLightLevel = hdr.maxCll + 0.5;
1395                 meta.sType1.mMaxFrameAverageLightLevel = hdr.maxFall + 0.5;
1396                 msg->removeEntryAt(msg->findEntryByName("smpte2086.red.x"));
1397                 msg->removeEntryAt(msg->findEntryByName("smpte2086.red.y"));
1398                 msg->removeEntryAt(msg->findEntryByName("smpte2086.green.x"));
1399                 msg->removeEntryAt(msg->findEntryByName("smpte2086.green.y"));
1400                 msg->removeEntryAt(msg->findEntryByName("smpte2086.blue.x"));
1401                 msg->removeEntryAt(msg->findEntryByName("smpte2086.blue.y"));
1402                 msg->removeEntryAt(msg->findEntryByName("smpte2086.white.x"));
1403                 msg->removeEntryAt(msg->findEntryByName("smpte2086.white.y"));
1404                 msg->removeEntryAt(msg->findEntryByName("smpte2086.max-luminance"));
1405                 msg->removeEntryAt(msg->findEntryByName("smpte2086.min-luminance"));
1406                 msg->removeEntryAt(msg->findEntryByName("cta861.max-cll"));
1407                 msg->removeEntryAt(msg->findEntryByName("cta861.max-fall"));
1408                 msg->setBuffer(KEY_HDR_STATIC_INFO, ABuffer::CreateAsCopy(&meta, sizeof(meta)));
1409             } else {
1410                 ALOGD("found invalid HDR static metadata %s", msg->debugString(8).c_str());
1411             }
1412         }
1413     }
1414 
1415     ALOGV("converted to SDK values as %s", msg->debugString().c_str());
1416     return msg;
1417 }
1418 
1419 /// converts an AMessage value to a ParamUpdater value
convert(const AMessage::ItemData & from,ReflectedParamUpdater::Value * to)1420 static void convert(const AMessage::ItemData &from, ReflectedParamUpdater::Value *to) {
1421     int32_t int32Value;
1422     int64_t int64Value;
1423     sp<ABuffer> bufValue;
1424     AString strValue;
1425     float floatValue;
1426     double doubleValue;
1427 
1428     if (from.find(&int32Value)) {
1429         to->set(int32Value);
1430     } else if (from.find(&int64Value)) {
1431         to->set(int64Value);
1432     } else if (from.find(&bufValue)) {
1433         to->set(bufValue);
1434     } else if (from.find(&strValue)) {
1435         to->set(strValue);
1436     } else if (from.find(&floatValue)) {
1437         to->set(C2Value(floatValue));
1438     } else if (from.find(&doubleValue)) {
1439         // convert double to float
1440         to->set(C2Value((float)doubleValue));
1441     }
1442     // ignore all other AMessage types
1443 }
1444 
1445 /// relaxes Codec 2.0 specific value types to SDK types (mainly removes signedness and counterness
1446 /// from 32/64-bit values.)
relaxValues(ReflectedParamUpdater::Value & item)1447 static void relaxValues(ReflectedParamUpdater::Value &item) {
1448     C2Value c2Value;
1449     int32_t int32Value;
1450     int64_t int64Value;
1451     (void)item.find(&c2Value);
1452     if (c2Value.get(&int32Value) || c2Value.get((uint32_t*)&int32Value)
1453             || c2Value.get((c2_cntr32_t*)&int32Value)) {
1454         item.set(int32Value);
1455     } else if (c2Value.get(&int64Value)
1456             || c2Value.get((uint64_t*)&int64Value)
1457             || c2Value.get((c2_cntr64_t*)&int64Value)) {
1458         item.set(int64Value);
1459     }
1460 }
1461 
getReflectedFormat(const sp<AMessage> & params_,Domain configDomain) const1462 ReflectedParamUpdater::Dict CCodecConfig::getReflectedFormat(
1463         const sp<AMessage> &params_, Domain configDomain) const {
1464     // create a modifiable copy of params
1465     sp<AMessage> params = params_->dup();
1466     ALOGV("filtering with config domain %x", configDomain);
1467 
1468     // convert some macro parameters to Codec 2.0 specific expressions
1469 
1470     { // make i-frame-interval frame based
1471         float iFrameInterval;
1472         if (params->findAsFloat(KEY_I_FRAME_INTERVAL, &iFrameInterval)) {
1473             float frameRate;
1474             if (params->findAsFloat(KEY_FRAME_RATE, &frameRate)) {
1475                 params->setInt32("i-frame-period",
1476                         (frameRate <= 0 || iFrameInterval < 0)
1477                                  ? -1 /* no sync frames */
1478                                  : (int32_t)c2_min(iFrameInterval * frameRate + 0.5,
1479                                                    (float)INT32_MAX));
1480             }
1481         }
1482     }
1483 
1484     if (mDomain == (IS_VIDEO | IS_ENCODER)) {
1485         // convert capture-rate into input-time-stretch
1486         float frameRate, captureRate;
1487         if (params->findAsFloat(KEY_FRAME_RATE, &frameRate)) {
1488             if (!params->findAsFloat("time-lapse-fps", &captureRate)
1489                     && !params->findAsFloat(KEY_CAPTURE_RATE, &captureRate)) {
1490                 captureRate = frameRate;
1491             }
1492             if (captureRate > 0 && frameRate > 0) {
1493                 params->setFloat(C2_PARAMKEY_INPUT_TIME_STRETCH, captureRate / frameRate);
1494             }
1495         }
1496     }
1497 
1498     {   // reflect temporal layering into a binary blob
1499         AString schema;
1500         if (params->findString(KEY_TEMPORAL_LAYERING, &schema)) {
1501             unsigned int numLayers = 0;
1502             unsigned int numBLayers = 0;
1503             int tags;
1504             char dummy;
1505             std::unique_ptr<C2StreamTemporalLayeringTuning::output> layering;
1506             if (sscanf(schema.c_str(), "webrtc.vp8.%u-layer%c", &numLayers, &dummy) == 1
1507                 && numLayers > 0) {
1508                 switch (numLayers) {
1509                     case 1:
1510                         layering = C2StreamTemporalLayeringTuning::output::AllocUnique(
1511                                 {}, 0u, 1u, 0u);
1512                         break;
1513                     case 2:
1514                         layering = C2StreamTemporalLayeringTuning::output::AllocUnique(
1515                                 { .6f }, 0u, 2u, 0u);
1516                         break;
1517                     case 3:
1518                         layering = C2StreamTemporalLayeringTuning::output::AllocUnique(
1519                                 { .4f, .6f }, 0u, 3u, 0u);
1520                         break;
1521                     default:
1522                         layering = C2StreamTemporalLayeringTuning::output::AllocUnique(
1523                                 { .25f, .4f, .6f }, 0u, 4u, 0u);
1524                         break;
1525                 }
1526             } else if ((tags = sscanf(schema.c_str(), "android.generic.%u%c%u%c",
1527                         &numLayers, &dummy, &numBLayers, &dummy))
1528                 && (tags == 1 || (tags == 3 && dummy == '+'))
1529                 && numLayers > 0 && numLayers < UINT32_MAX - numBLayers) {
1530                 layering = C2StreamTemporalLayeringTuning::output::AllocUnique(
1531                         {}, 0u, numLayers + numBLayers, numBLayers);
1532             } else {
1533                 ALOGD("Ignoring unsupported ts-schema [%s]", schema.c_str());
1534             }
1535             if (layering) {
1536                 params->setBuffer(C2_PARAMKEY_TEMPORAL_LAYERING,
1537                                   ABuffer::CreateAsCopy(layering.get(), layering->size()));
1538             }
1539         }
1540     }
1541 
1542     { // convert from MediaFormat rect to Codec 2.0 rect
1543         int32_t offset;
1544         int32_t end;
1545         AMessage::ItemData item;
1546         if (params->findInt32("crop-left", &offset) && params->findInt32("crop-right", &end)
1547                 && offset >= 0 && end >= offset - 1) {
1548             size_t ix = params->findEntryByName("crop-right");
1549             params->setEntryNameAt(ix, "crop-width");
1550             item.set(end - offset + 1);
1551             params->setEntryAt(ix, item);
1552         }
1553         if (params->findInt32("crop-top", &offset) && params->findInt32("crop-bottom", &end)
1554                 && offset >= 0 && end >= offset - 1) {
1555             size_t ix = params->findEntryByName("crop-bottom");
1556             params->setEntryNameAt(ix, "crop-height");
1557             item.set(end - offset + 1);
1558             params->setEntryAt(ix, item);
1559         }
1560     }
1561 
1562     { // convert color info
1563         int32_t standard;
1564         if (params->findInt32(KEY_COLOR_STANDARD, &standard)) {
1565             C2Color::primaries_t primaries;
1566             C2Color::matrix_t matrix;
1567 
1568             if (C2Mapper::map(standard, &primaries, &matrix)) {
1569                 params->setInt32("color-primaries", primaries);
1570                 params->setInt32("color-matrix", matrix);
1571             }
1572         }
1573 
1574         sp<ABuffer> hdrMeta;
1575         if (params->findBuffer(KEY_HDR_STATIC_INFO, &hdrMeta)
1576                 && hdrMeta->size() == sizeof(HDRStaticInfo)) {
1577             HDRStaticInfo *meta = (HDRStaticInfo*)hdrMeta->data();
1578             if (meta->mID == meta->kType1) {
1579                 params->setFloat("smpte2086.red.x", meta->sType1.mR.x * 0.00002);
1580                 params->setFloat("smpte2086.red.y", meta->sType1.mR.y * 0.00002);
1581                 params->setFloat("smpte2086.green.x", meta->sType1.mG.x * 0.00002);
1582                 params->setFloat("smpte2086.green.y", meta->sType1.mG.y * 0.00002);
1583                 params->setFloat("smpte2086.blue.x", meta->sType1.mB.x * 0.00002);
1584                 params->setFloat("smpte2086.blue.y", meta->sType1.mB.y * 0.00002);
1585                 params->setFloat("smpte2086.white.x", meta->sType1.mW.x * 0.00002);
1586                 params->setFloat("smpte2086.white.y", meta->sType1.mW.y * 0.00002);
1587                 params->setFloat("smpte2086.max-luminance", meta->sType1.mMaxDisplayLuminance);
1588                 params->setFloat("smpte2086.min-luminance", meta->sType1.mMinDisplayLuminance * 0.0001);
1589                 params->setFloat("cta861.max-cll", meta->sType1.mMaxContentLightLevel);
1590                 params->setFloat("cta861.max-fall", meta->sType1.mMaxFrameAverageLightLevel);
1591             }
1592         }
1593     }
1594 
1595     // this is to verify that we set proper signedness for standard parameters
1596     bool beVeryStrict = property_get_bool("debug.stagefright.ccodec_strict_type", false);
1597     // this is to allow vendors to use the wrong signedness for standard parameters
1598     bool beVeryLax = property_get_bool("debug.stagefright.ccodec_lax_type", false);
1599 
1600     ReflectedParamUpdater::Dict filtered;
1601     for (size_t ix = 0; ix < params->countEntries(); ++ix) {
1602         AMessage::Type type;
1603         AString name = params->getEntryNameAt(ix, &type);
1604         AMessage::ItemData msgItem = params->getEntryAt(ix);
1605         ReflectedParamUpdater::Value item;
1606         convert(msgItem, &item); // convert item to param updater item
1607 
1608         if (name.startsWith("vendor.")) {
1609             // vendor params pass through as is
1610             filtered.emplace(name.c_str(), item);
1611             continue;
1612         }
1613         // standard parameters may get modified, filtered or duplicated
1614         for (const ConfigMapper &cm : mStandardParams->getConfigMappersForSdkKey(name.c_str())) {
1615             // note: we ignore port domain for configuration
1616             if ((cm.domain() & configDomain)
1617                     // component domain + kind (these must match)
1618                     && (cm.domain() & mDomain) == mDomain) {
1619                 // map arithmetic values, pass through string or buffer
1620                 switch (type) {
1621                     case AMessage::kTypeBuffer:
1622                     case AMessage::kTypeString:
1623                         break;
1624                     case AMessage::kTypeInt32:
1625                     case AMessage::kTypeInt64:
1626                     case AMessage::kTypeFloat:
1627                     case AMessage::kTypeDouble:
1628                         // for now only map settings with mappers as we are not creating
1629                         // signed <=> unsigned mappers
1630                         // TODO: be precise about signed unsigned
1631                         if (beVeryStrict || cm.mapper()) {
1632                             item.set(cm.mapFromMessage(params->getEntryAt(ix)));
1633                             // also allow to relax type strictness
1634                             if (beVeryLax) {
1635                                 relaxValues(item);
1636                             }
1637                         }
1638                         break;
1639                     default:
1640                         continue;
1641                 }
1642                 filtered.emplace(cm.path(), item);
1643             }
1644         }
1645     }
1646     ALOGV("filtered %s to %s", params->debugString(4).c_str(),
1647             filtered.debugString(4).c_str());
1648     return filtered;
1649 }
1650 
getConfigUpdateFromSdkParams(std::shared_ptr<Codec2Client::Configurable> configurable,const sp<AMessage> & sdkParams,Domain configDomain,c2_blocking_t blocking,std::vector<std::unique_ptr<C2Param>> * configUpdate) const1651 status_t CCodecConfig::getConfigUpdateFromSdkParams(
1652         std::shared_ptr<Codec2Client::Configurable> configurable,
1653         const sp<AMessage> &sdkParams, Domain configDomain,
1654         c2_blocking_t blocking,
1655         std::vector<std::unique_ptr<C2Param>> *configUpdate) const {
1656     ReflectedParamUpdater::Dict params = getReflectedFormat(sdkParams, configDomain);
1657 
1658     std::vector<C2Param::Index> indices;
1659     mParamUpdater->getParamIndicesFromMessage(params, &indices);
1660     if (indices.empty()) {
1661         ALOGD("no recognized params in: %s", params.debugString().c_str());
1662         return OK;
1663     }
1664 
1665     configUpdate->clear();
1666     std::vector<C2Param::Index> supportedIndices;
1667     for (C2Param::Index ix : indices) {
1668         if (mSupportedIndices.count(ix)) {
1669             supportedIndices.push_back(ix);
1670         } else if (mLocalParams.count(ix)) {
1671             // query local parameter here
1672             auto it = mCurrentConfig.find(ix);
1673             if (it != mCurrentConfig.end()) {
1674                 configUpdate->emplace_back(C2Param::Copy(*it->second));
1675             }
1676         }
1677     }
1678 
1679     c2_status_t err = configurable->query({ }, supportedIndices, blocking, configUpdate);
1680     if (err != C2_OK) {
1681         ALOGD("query failed after returning %zu params => %s", configUpdate->size(), asString(err));
1682     }
1683 
1684     if (configUpdate->size()) {
1685         mParamUpdater->updateParamsFromMessage(params, configUpdate);
1686     }
1687     return OK;
1688 }
1689 
setParameters(std::shared_ptr<Codec2Client::Configurable> configurable,std::vector<std::unique_ptr<C2Param>> & configUpdate,c2_blocking_t blocking)1690 status_t CCodecConfig::setParameters(
1691         std::shared_ptr<Codec2Client::Configurable> configurable,
1692         std::vector<std::unique_ptr<C2Param>> &configUpdate,
1693         c2_blocking_t blocking) {
1694     status_t result = OK;
1695     if (configUpdate.empty()) {
1696         return OK;
1697     }
1698 
1699     std::vector<C2Param::Index> indices;
1700     std::vector<C2Param *> paramVector;
1701     for (const std::unique_ptr<C2Param> &param : configUpdate) {
1702         if (mSupportedIndices.count(param->index())) {
1703             // component parameter
1704             paramVector.push_back(param.get());
1705             indices.push_back(param->index());
1706         } else if (mLocalParams.count(param->index())) {
1707             // handle local parameter here
1708             LocalParamValidator validator = mLocalParams.find(param->index())->second;
1709             c2_status_t err = C2_OK;
1710             std::unique_ptr<C2Param> copy = C2Param::Copy(*param);
1711             if (validator) {
1712                 err = validator(copy);
1713             }
1714             if (err == C2_OK) {
1715                 ALOGV("updated local parameter value for %s",
1716                         mParamUpdater->getParamName(param->index()).c_str());
1717 
1718                 mCurrentConfig[param->index()] = std::move(copy);
1719             } else {
1720                 ALOGD("failed to set parameter value for %s => %s",
1721                         mParamUpdater->getParamName(param->index()).c_str(), asString(err));
1722                 result = BAD_VALUE;
1723             }
1724         }
1725     }
1726     // update subscribed param indices
1727     subscribeToConfigUpdate(configurable, indices, blocking);
1728 
1729     std::vector<std::unique_ptr<C2SettingResult>> failures;
1730     c2_status_t err = configurable->config(paramVector, blocking, &failures);
1731     if (err != C2_OK) {
1732         ALOGD("config failed => %s", asString(err));
1733         // This is non-fatal.
1734     }
1735     for (const std::unique_ptr<C2SettingResult> &failure : failures) {
1736         switch (failure->failure) {
1737             case C2SettingResult::BAD_VALUE:
1738                 ALOGD("Bad parameter value");
1739                 result = BAD_VALUE;
1740                 break;
1741             default:
1742                 ALOGV("failure = %d", int(failure->failure));
1743                 break;
1744         }
1745     }
1746 
1747     // Re-query parameter values in case config could not update them and update the current
1748     // configuration.
1749     configUpdate.clear();
1750     err = configurable->query({}, indices, blocking, &configUpdate);
1751     if (err != C2_OK) {
1752         ALOGD("query failed after returning %zu params => %s", configUpdate.size(), asString(err));
1753     }
1754     (void)updateConfiguration(configUpdate, ALL);
1755 
1756     // TODO: error value
1757     return result;
1758 }
1759 
getConfigParameterValue(C2Param::Index index) const1760 const C2Param *CCodecConfig::getConfigParameterValue(C2Param::Index index) const {
1761     auto it = mCurrentConfig.find(index);
1762     if (it == mCurrentConfig.end()) {
1763         return nullptr;
1764     } else {
1765         return it->second.get();
1766     }
1767 }
1768 
subscribeToAllVendorParams(const std::shared_ptr<Codec2Client::Configurable> & configurable,c2_blocking_t blocking)1769 status_t CCodecConfig::subscribeToAllVendorParams(
1770         const std::shared_ptr<Codec2Client::Configurable> &configurable,
1771         c2_blocking_t blocking) {
1772     for (const std::pair<std::string, C2Param::Index> &entry : mVendorParamIndices) {
1773         mSubscribedIndices.insert(entry.second);
1774     }
1775     return subscribeToConfigUpdate(configurable, {}, blocking);
1776 }
1777 
1778 }  // namespace android
1779