Nagram/TMessagesProj/jni/webrtc/api/video_codecs/vp8_frame_config.cc
2020-08-14 19:58:22 +03:00

79 lines
2.5 KiB
C++

/*
* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "api/video_codecs/vp8_frame_config.h"
#include "modules/video_coding/codecs/interface/common_constants.h"
#include "rtc_base/checks.h"
namespace webrtc {
Vp8FrameConfig::Vp8FrameConfig() : Vp8FrameConfig(kNone, kNone, kNone, false) {}
Vp8FrameConfig::Vp8FrameConfig(BufferFlags last,
BufferFlags golden,
BufferFlags arf)
: Vp8FrameConfig(last, golden, arf, false) {}
Vp8FrameConfig::Vp8FrameConfig(BufferFlags last,
BufferFlags golden,
BufferFlags arf,
FreezeEntropy)
: Vp8FrameConfig(last, golden, arf, true) {}
Vp8FrameConfig::Vp8FrameConfig(BufferFlags last,
BufferFlags golden,
BufferFlags arf,
bool freeze_entropy)
: drop_frame(last == BufferFlags::kNone && golden == BufferFlags::kNone &&
arf == BufferFlags::kNone),
last_buffer_flags(last),
golden_buffer_flags(golden),
arf_buffer_flags(arf),
encoder_layer_id(0),
packetizer_temporal_idx(kNoTemporalIdx),
layer_sync(false),
freeze_entropy(freeze_entropy),
first_reference(Vp8BufferReference::kNone),
second_reference(Vp8BufferReference::kNone),
retransmission_allowed(true) {}
bool Vp8FrameConfig::References(Buffer buffer) const {
switch (buffer) {
case Buffer::kLast:
return (last_buffer_flags & kReference) != 0;
case Buffer::kGolden:
return (golden_buffer_flags & kReference) != 0;
case Buffer::kArf:
return (arf_buffer_flags & kReference) != 0;
case Buffer::kCount:
break;
}
RTC_NOTREACHED();
return false;
}
bool Vp8FrameConfig::Updates(Buffer buffer) const {
switch (buffer) {
case Buffer::kLast:
return (last_buffer_flags & kUpdate) != 0;
case Buffer::kGolden:
return (golden_buffer_flags & kUpdate) != 0;
case Buffer::kArf:
return (arf_buffer_flags & kUpdate) != 0;
case Buffer::kCount:
break;
}
RTC_NOTREACHED();
return false;
}
} // namespace webrtc