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/*
* Copyright (C) 2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "GameClientStreamAudio.h"
#include "cores/RetroPlayer/streams/RetroPlayerAudio.h"
#include "games/addons/GameClientTranslator.h"
#include "utils/log.h"
using namespace KODI;
using namespace GAME;
CGameClientStreamAudio::CGameClientStreamAudio(double sampleRate) : m_sampleRate(sampleRate)
{
}
bool CGameClientStreamAudio::OpenStream(RETRO::IRetroPlayerStream* stream,
const game_stream_properties& properties)
{
RETRO::CRetroPlayerAudio* audioStream = dynamic_cast<RETRO::CRetroPlayerAudio*>(stream);
if (audioStream == nullptr)
{
CLog::Log(LOGERROR, "GAME: RetroPlayer stream is not an audio stream");
return false;
}
std::unique_ptr<RETRO::AudioStreamProperties> audioProperties(
TranslateProperties(properties.audio, m_sampleRate));
if (audioProperties)
{
if (audioStream->OpenStream(static_cast<const RETRO::StreamProperties&>(*audioProperties)))
m_stream = stream;
}
return m_stream != nullptr;
}
void CGameClientStreamAudio::CloseStream()
{
if (m_stream != nullptr)
{
m_stream->CloseStream();
m_stream = nullptr;
}
}
void CGameClientStreamAudio::AddData(const game_stream_packet& packet)
{
if (packet.type != GAME_STREAM_AUDIO)
return;
if (m_stream != nullptr)
{
const game_stream_audio_packet& audio = packet.audio;
RETRO::AudioStreamPacket audioPacket{audio.data, audio.size};
m_stream->AddStreamData(static_cast<RETRO::StreamPacket&>(audioPacket));
}
}
RETRO::AudioStreamProperties* CGameClientStreamAudio::TranslateProperties(
const game_stream_audio_properties& properties, double sampleRate)
{
const RETRO::PCMFormat pcmFormat = CGameClientTranslator::TranslatePCMFormat(properties.format);
if (pcmFormat == RETRO::PCMFormat::FMT_UNKNOWN)
{
CLog::Log(LOGERROR, "GAME: Unknown PCM format: {}", static_cast<int>(properties.format));
return nullptr;
}
RETRO::AudioChannelMap channelMap = {{RETRO::AudioChannel::CH_NULL}};
unsigned int i = 0;
if (properties.channel_map != nullptr)
{
for (const GAME_AUDIO_CHANNEL* channelPtr = properties.channel_map; *channelPtr != GAME_CH_NULL;
channelPtr++)
{
RETRO::AudioChannel channel = CGameClientTranslator::TranslateAudioChannel(*channelPtr);
if (channel == RETRO::AudioChannel::CH_NULL)
{
CLog::Log(LOGERROR, "GAME: Unknown channel ID: {}", static_cast<int>(*channelPtr));
return nullptr;
}
channelMap[i++] = channel;
if (i + 1 >= channelMap.size())
break;
}
}
channelMap[i] = RETRO::AudioChannel::CH_NULL;
if (channelMap[0] == RETRO::AudioChannel::CH_NULL)
{
CLog::Log(LOGERROR, "GAME: Empty channel layout");
return nullptr;
}
return new RETRO::AudioStreamProperties{pcmFormat, sampleRate, channelMap};
}
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