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/*
* Copyright (c) 2012 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 "modules/video_coding/encoded_frame.h"
#include <string.h>
#include <cstdint>
#include <optional>
#include "api/video/encoded_image.h"
#include "api/video/video_codec_type.h"
#include "api/video/video_content_type.h"
#include "api/video/video_frame_type.h"
#include "api/video/video_rotation.h"
#include "api/video/video_timing.h"
#include "modules/rtp_rtcp/source/rtp_video_header.h"
#include "modules/video_coding/codecs/interface/common_constants.h"
#include "modules/video_coding/codecs/vp8/include/vp8_globals.h"
#include "modules/video_coding/codecs/vp9/include/vp9_globals.h"
namespace webrtc {
VCMEncodedFrame::VCMEncodedFrame()
: webrtc::EncodedImage(),
_renderTimeMs(-1),
_payloadType(0),
_missingFrame(false),
_codec(kVideoCodecGeneric) {
_codecSpecificInfo.codecType = kVideoCodecGeneric;
}
VCMEncodedFrame::VCMEncodedFrame(const VCMEncodedFrame&) = default;
VCMEncodedFrame::~VCMEncodedFrame() {
Reset();
}
void VCMEncodedFrame::Reset() {
SetRtpTimestamp(0);
SetSpatialIndex(std::nullopt);
_renderTimeMs = -1;
_payloadType = 0;
_frameType = VideoFrameType::kVideoFrameDelta;
_encodedWidth = 0;
_encodedHeight = 0;
_missingFrame = false;
set_size(0);
_codecSpecificInfo.codecType = kVideoCodecGeneric;
_codec = kVideoCodecGeneric;
rotation_ = kVideoRotation_0;
content_type_ = VideoContentType::UNSPECIFIED;
timing_.flags = VideoSendTiming::kInvalid;
}
void VCMEncodedFrame::CopyCodecSpecific(const RTPVideoHeader* header) {
if (header) {
switch (header->codec) {
case kVideoCodecVP8: {
const auto& vp8_header =
std::get<RTPVideoHeaderVP8>(header->video_type_header);
if (_codecSpecificInfo.codecType != kVideoCodecVP8) {
// This is the first packet for this frame.
_codecSpecificInfo.codecSpecific.VP8.temporalIdx = 0;
_codecSpecificInfo.codecSpecific.VP8.layerSync = false;
_codecSpecificInfo.codecSpecific.VP8.keyIdx = -1;
_codecSpecificInfo.codecType = kVideoCodecVP8;
}
_codecSpecificInfo.codecSpecific.VP8.nonReference =
vp8_header.nonReference;
if (vp8_header.temporalIdx != kNoTemporalIdx) {
_codecSpecificInfo.codecSpecific.VP8.temporalIdx =
vp8_header.temporalIdx;
_codecSpecificInfo.codecSpecific.VP8.layerSync = vp8_header.layerSync;
}
if (vp8_header.keyIdx != kNoKeyIdx) {
_codecSpecificInfo.codecSpecific.VP8.keyIdx = vp8_header.keyIdx;
}
break;
}
case kVideoCodecVP9: {
const auto& vp9_header =
std::get<RTPVideoHeaderVP9>(header->video_type_header);
if (_codecSpecificInfo.codecType != kVideoCodecVP9) {
// This is the first packet for this frame.
_codecSpecificInfo.codecSpecific.VP9.temporal_idx = 0;
_codecSpecificInfo.codecSpecific.VP9.gof_idx = 0;
_codecSpecificInfo.codecSpecific.VP9.inter_layer_predicted = false;
_codecSpecificInfo.codecType = kVideoCodecVP9;
}
_codecSpecificInfo.codecSpecific.VP9.inter_pic_predicted =
vp9_header.inter_pic_predicted;
_codecSpecificInfo.codecSpecific.VP9.flexible_mode =
vp9_header.flexible_mode;
_codecSpecificInfo.codecSpecific.VP9.num_ref_pics =
vp9_header.num_ref_pics;
for (uint8_t r = 0; r < vp9_header.num_ref_pics; ++r) {
_codecSpecificInfo.codecSpecific.VP9.p_diff[r] =
vp9_header.pid_diff[r];
}
_codecSpecificInfo.codecSpecific.VP9.ss_data_available =
vp9_header.ss_data_available;
if (vp9_header.temporal_idx != kNoTemporalIdx) {
_codecSpecificInfo.codecSpecific.VP9.temporal_idx =
vp9_header.temporal_idx;
_codecSpecificInfo.codecSpecific.VP9.temporal_up_switch =
vp9_header.temporal_up_switch;
}
if (vp9_header.spatial_idx != kNoSpatialIdx) {
_codecSpecificInfo.codecSpecific.VP9.inter_layer_predicted =
vp9_header.inter_layer_predicted;
SetSpatialIndex(vp9_header.spatial_idx);
}
if (vp9_header.gof_idx != kNoGofIdx) {
_codecSpecificInfo.codecSpecific.VP9.gof_idx = vp9_header.gof_idx;
}
if (vp9_header.ss_data_available) {
_codecSpecificInfo.codecSpecific.VP9.num_spatial_layers =
vp9_header.num_spatial_layers;
_codecSpecificInfo.codecSpecific.VP9
.spatial_layer_resolution_present =
vp9_header.spatial_layer_resolution_present;
if (vp9_header.spatial_layer_resolution_present) {
for (size_t i = 0; i < vp9_header.num_spatial_layers; ++i) {
_codecSpecificInfo.codecSpecific.VP9.width[i] =
vp9_header.width[i];
_codecSpecificInfo.codecSpecific.VP9.height[i] =
vp9_header.height[i];
}
}
_codecSpecificInfo.codecSpecific.VP9.gof.CopyGofInfoVP9(
vp9_header.gof);
}
break;
}
case kVideoCodecH264: {
_codecSpecificInfo.codecType = kVideoCodecH264;
break;
}
case kVideoCodecAV1: {
_codecSpecificInfo.codecType = kVideoCodecAV1;
break;
}
case kVideoCodecH265: {
_codecSpecificInfo.codecType = kVideoCodecH265;
break;
}
default: {
_codecSpecificInfo.codecType = kVideoCodecGeneric;
break;
}
}
}
}
} // namespace webrtc
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