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media / cast / openscreen / config_conversions.cc [blame]
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/cast/openscreen/config_conversions.h"
#include "base/check.h"
#include "base/notreached.h"
#include "media/base/media_util.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
namespace media::cast {
namespace {
media::VideoCodecProfile ToVideoDecoderConfigCodecProfile(
openscreen::cast::VideoCodec codec) {
switch (codec) {
// TODO(b/186875732): Determine values for Hevc, Vp9, Av1 experimentally.
case openscreen::cast::VideoCodec::kH264:
return media::VideoCodecProfile::H264PROFILE_BASELINE;
case openscreen::cast::VideoCodec::kHevc:
return media::VideoCodecProfile::HEVCPROFILE_MAIN;
case openscreen::cast::VideoCodec::kVp8:
return media::VideoCodecProfile::VP8PROFILE_MIN;
case openscreen::cast::VideoCodec::kVp9:
return media::VideoCodecProfile::VP9PROFILE_PROFILE0;
case openscreen::cast::VideoCodec::kAv1:
return media::VideoCodecProfile::AV1PROFILE_PROFILE_MAIN;
case openscreen::cast::VideoCodec::kNotSpecified:
break;
}
NOTREACHED();
}
media::AudioCodec ToAudioDecoderConfigCodec(
openscreen::cast::AudioCodec codec) {
switch (codec) {
case openscreen::cast::AudioCodec::kAac:
return media::AudioCodec::kAAC;
case openscreen::cast::AudioCodec::kOpus:
return media::AudioCodec::kOpus;
case openscreen::cast::AudioCodec::kNotSpecified:
break;
}
NOTREACHED();
}
media::VideoCodec ToVideoDecoderConfigCodec(
openscreen::cast::VideoCodec codec) {
switch (codec) {
case openscreen::cast::VideoCodec::kH264:
return media::VideoCodec::kH264;
case openscreen::cast::VideoCodec::kVp8:
return media::VideoCodec::kVP8;
case openscreen::cast::VideoCodec::kHevc:
return media::VideoCodec::kHEVC;
case openscreen::cast::VideoCodec::kVp9:
return media::VideoCodec::kVP9;
case openscreen::cast::VideoCodec::kAv1:
return media::VideoCodec::kAV1;
case openscreen::cast::VideoCodec::kNotSpecified:
break;
}
NOTREACHED();
}
} // namespace
openscreen::cast::AudioCodec ToAudioCaptureConfigCodec(
media::AudioCodec codec) {
switch (codec) {
case media::AudioCodec::kAAC:
return openscreen::cast::AudioCodec::kAac;
case media::AudioCodec::kOpus:
return openscreen::cast::AudioCodec::kOpus;
default:
break;
}
NOTREACHED();
}
openscreen::cast::VideoCodec ToVideoCaptureConfigCodec(
media::VideoCodec codec) {
switch (codec) {
case media::VideoCodec::kH264:
return openscreen::cast::VideoCodec::kH264;
case media::VideoCodec::kVP8:
return openscreen::cast::VideoCodec::kVp8;
case media::VideoCodec::kHEVC:
return openscreen::cast::VideoCodec::kHevc;
case media::VideoCodec::kVP9:
return openscreen::cast::VideoCodec::kVp9;
case media::VideoCodec::kAV1:
return openscreen::cast::VideoCodec::kAv1;
default:
break;
}
NOTREACHED();
}
openscreen::cast::AudioCaptureConfig ToAudioCaptureConfig(
const media::AudioDecoderConfig& audio_config) {
DCHECK(!audio_config.is_encrypted());
openscreen::cast::AudioCaptureConfig audio_capture_config;
audio_capture_config.codec = ToAudioCaptureConfigCodec(audio_config.codec());
audio_capture_config.channels =
media::ChannelLayoutToChannelCount(audio_config.channel_layout());
audio_capture_config.sample_rate = audio_config.samples_per_second();
audio_capture_config.bit_rate = 0; // Selected by the sender.
return audio_capture_config;
}
openscreen::cast::VideoCaptureConfig ToVideoCaptureConfig(
const media::VideoDecoderConfig& video_config) {
DCHECK(!video_config.is_encrypted());
openscreen::cast::VideoCaptureConfig video_capture_config;
video_capture_config.codec = ToVideoCaptureConfigCodec(video_config.codec());
video_capture_config.resolutions.push_back(
{video_config.visible_rect().width(),
video_config.visible_rect().height()});
video_capture_config.max_bit_rate = 0; // Selected by the sender.
return video_capture_config;
}
media::AudioDecoderConfig ToAudioDecoderConfig(
const openscreen::cast::AudioCaptureConfig& audio_capture_config) {
media::AudioCodec media_audio_codec =
ToAudioDecoderConfigCodec(audio_capture_config.codec);
return media::AudioDecoderConfig(
media_audio_codec, media::SampleFormat::kSampleFormatF32,
media::GuessChannelLayout(audio_capture_config.channels),
audio_capture_config.sample_rate /* samples_per_second */,
media::EmptyExtraData(), media::EncryptionScheme::kUnencrypted);
}
media::VideoDecoderConfig ToVideoDecoderConfig(
const openscreen::cast::VideoCaptureConfig& video_capture_config) {
// Gather data for the video decoder config.
DCHECK(video_capture_config.resolutions.size());
uint32_t video_width = video_capture_config.resolutions[0].width;
uint32_t video_height = video_capture_config.resolutions[0].height;
gfx::Size video_size(video_width, video_height);
gfx::Rect video_rect(video_width, video_height);
media::VideoCodec media_video_codec =
ToVideoDecoderConfigCodec(video_capture_config.codec);
media::VideoCodecProfile video_codec_profile =
ToVideoDecoderConfigCodecProfile(video_capture_config.codec);
return media::VideoDecoderConfig(
media_video_codec, video_codec_profile,
media::VideoDecoderConfig::AlphaMode::kIsOpaque, media::VideoColorSpace(),
media::VideoTransformation(), video_size, video_rect, video_size,
media::EmptyExtraData(), media::EncryptionScheme::kUnencrypted);
}
} // namespace media::cast