/* * Copyright (C) 2012 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * 3. Neither the name of Google Inc. nor the names of its contributors * may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "third_party/blink/renderer/modules/mediastream/media_constraints_impl.h" #include "build/build_config.h" #include "third_party/blink/public/platform/web_string.h" #include "third_party/blink/renderer/bindings/core/v8/dictionary.h" #include "third_party/blink/renderer/bindings/core/v8/v8_union_string_stringsequence.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_constrain_boolean_parameters.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_constrain_dom_string_parameters.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_constrain_double_range.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_constrain_long_range.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_media_track_constraints.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_typedefs.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_union_boolean_constrainbooleanparameters.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_union_boolean_constraindoublerange_double.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_union_constraindomstringparameters_string_stringsequence.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_union_constraindoublerange_double.h" #include "third_party/blink/renderer/bindings/modules/v8/v8_union_constrainlongrange_long.h" #include "third_party/blink/renderer/core/execution_context/execution_context.h" #include "third_party/blink/renderer/core/frame/deprecation/deprecation.h" #include "third_party/blink/renderer/core/frame/web_feature.h" #include "third_party/blink/renderer/core/inspector/console_message.h" #include "third_party/blink/renderer/platform/bindings/exception_state.h" #include "third_party/blink/renderer/platform/heap/garbage_collected.h" #include "third_party/blink/renderer/platform/instrumentation/use_counter.h" #include "third_party/blink/renderer/platform/runtime_enabled_features.h" #include "third_party/blink/renderer/platform/wtf/hash_map.h" #include "third_party/blink/renderer/platform/wtf/text/string_hash.h" #include "third_party/blink/renderer/platform/wtf/vector.h" namespace blink { namespace media_constraints_impl { namespace { // A naked value is treated as an "ideal" value in the basic constraints, // but as an exact value in "advanced" constraints. // https://w3c.github.io/mediacapture-main/#constrainable-interface enum class NakedValueDisposition { … }; // Old type/value form of constraint. Used in parsing old-style constraints. struct NameValueStringConstraint { … }; // Legal constraint names. // Legacy getUserMedia() constraints. Sadly still in use. const char kMinAspectRatio[] = …; const char kMaxAspectRatio[] = …; const char kMaxWidth[] = …; const char kMinWidth[] = …; const char kMaxHeight[] = …; const char kMinHeight[] = …; const char kMaxFrameRate[] = …; const char kMinFrameRate[] = …; const char kMediaStreamSource[] = …; const char kMediaStreamSourceId[] = …; // mapped to deviceId const char kMediaStreamSourceInfoId[] = …; // mapped to deviceId const char kMediaStreamRenderToAssociatedSink[] = …; // RenderToAssociatedSink will be going away some time. const char kEchoCancellation[] = …; const char kDisableLocalEcho[] = …; const char kGoogEchoCancellation[] = …; const char kGoogExperimentalEchoCancellation[] = …; const char kGoogAutoGainControl[] = …; const char kGoogNoiseSuppression[] = …; const char kGoogExperimentalNoiseSuppression[] = …; const char kGoogHighpassFilter[] = …; const char kGoogAudioMirroring[] = …; // Audio constraints. const char kDAEchoCancellation[] = …; // Google-specific constraint keys for a local video source (getUserMedia). const char kNoiseReduction[] = …; static bool ParseMandatoryConstraintsDictionary( const Dictionary& mandatory_constraints_dictionary, Vector<NameValueStringConstraint>& mandatory) { … } static bool ParseOptionalConstraintsVectorElement( const Dictionary& constraint, Vector<NameValueStringConstraint>& optional_constraints_vector) { … } static bool Parse(const MediaTrackConstraints* constraints_in, Vector<NameValueStringConstraint>& optional, Vector<NameValueStringConstraint>& mandatory) { … } static bool ToBoolean(const String& as_string) { … } static void ParseOldStyleNames( ExecutionContext* context, const Vector<NameValueStringConstraint>& old_names, MediaTrackConstraintSetPlatform& result) { … } static MediaConstraints CreateFromNamedConstraints( ExecutionContext* context, Vector<NameValueStringConstraint>& mandatory, const Vector<NameValueStringConstraint>& optional) { … } void CopyLongConstraint(const V8ConstrainLong* blink_union_form, NakedValueDisposition naked_treatment, LongConstraint& web_form) { … } void CopyDoubleConstraint(const V8ConstrainDouble* blink_union_form, NakedValueDisposition naked_treatment, DoubleConstraint& web_form) { … } void CopyBooleanOrDoubleConstraint( const V8UnionBooleanOrConstrainDouble* blink_union_form, NakedValueDisposition naked_treatment, DoubleConstraint& web_form) { … } bool ValidateString(const String& str, String& error_message) { … } bool ValidateStringSeq(const Vector<String>& strs, String& error_message) { … } bool ValidateStringConstraint( V8UnionStringOrStringSequence* string_or_string_seq, String& error_message) { … } bool ValidateStringConstraint(const V8ConstrainDOMString* blink_union_form, String& error_message) { … } [[nodiscard]] bool ValidateAndCopyStringConstraint( const V8ConstrainDOMString* blink_union_form, NakedValueDisposition naked_treatment, StringConstraint& web_form, String& error_message) { … } void CopyBooleanConstraint(const V8ConstrainBoolean* blink_union_form, NakedValueDisposition naked_treatment, BooleanConstraint& web_form) { … } bool ValidateAndCopyConstraintSet( const MediaTrackConstraintSet* constraints_in, NakedValueDisposition naked_treatment, MediaTrackConstraintSetPlatform& constraint_buffer, String& error_message) { … } template <class T> bool UseNakedNumeric(const T& input, NakedValueDisposition which) { … } template <class T> bool UseNakedNonNumeric(const T& input, NakedValueDisposition which) { … } template <typename U, class T> U GetNakedValue(const T& input, NakedValueDisposition which) { … } V8ConstrainLong* ConvertLong(const LongConstraint& input, NakedValueDisposition naked_treatment) { … } V8ConstrainDouble* ConvertDouble(const DoubleConstraint& input, NakedValueDisposition naked_treatment) { … } V8UnionBooleanOrConstrainDouble* ConvertBooleanOrDouble( const DoubleConstraint& input, NakedValueDisposition naked_treatment) { … } V8UnionStringOrStringSequence* ConvertStringSequence( const Vector<String>& input) { … } V8ConstrainDOMString* ConvertString(const StringConstraint& input, NakedValueDisposition naked_treatment) { … } V8ConstrainBoolean* ConvertBoolean(const BooleanConstraint& input, NakedValueDisposition naked_treatment) { … } void ConvertConstraintSet(const MediaTrackConstraintSetPlatform& input, NakedValueDisposition naked_treatment, MediaTrackConstraintSet* output) { … } } // namespace MediaConstraints ConvertTrackConstraintsToMediaConstraints( const MediaTrackConstraints* constraints_in, String& error_message) { … } MediaConstraints Create(ExecutionContext* context, const MediaTrackConstraints* constraints_in, String& error_message) { … } MediaConstraints Create() { … } MediaTrackConstraints* ConvertConstraints(const MediaConstraints& input) { … } } // namespace media_constraints_impl } // namespace blink
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