mirror of
https://github.com/moonlight-stream/moonlight-qt
synced 2024-12-15 05:42:28 +00:00
106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
#include "sl.h"
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SLVideoDecoder::SLVideoDecoder()
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: m_VideoContext(nullptr),
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m_VideoStream(nullptr)
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{
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}
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SLVideoDecoder::~SLVideoDecoder()
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{
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if (m_VideoStream != nullptr) {
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SLVideo_FreeStream(m_VideoStream);
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}
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if (m_VideoContext != nullptr) {
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SLVideo_FreeContext(m_VideoContext);
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}
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}
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bool
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SLVideoDecoder::isHardwareAccelerated()
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{
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// SLVideo is always hardware accelerated
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return true;
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}
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bool
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SLVideoDecoder::initialize(StreamingPreferences::VideoDecoderSelection vds,
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SDL_Window*,
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int videoFormat, int, int, int frameRate, bool)
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{
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// SLVideo only supports hardware decoding
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if (vds == StreamingPreferences::VDS_FORCE_SOFTWARE) {
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return false;
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}
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// SLVideo only supports H.264
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if (videoFormat != VIDEO_FORMAT_H264) {
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return false;
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}
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m_VideoContext = SLVideo_CreateContext();
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if (!m_VideoContext) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"SLVideo_CreateContext() failed");
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return false;
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}
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// Create a low latency H.264 stream
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m_VideoStream = SLVideo_CreateStream(m_VideoContext, k_ESLVideoFormatH264, 1);
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if (!m_VideoStream) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"SLVideo_CreateStream() failed");
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return false;
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}
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SLVideo_SetStreamTargetFramerate(m_VideoStream, frameRate, 1);
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return true;
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}
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int
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SLVideoDecoder::submitDecodeUnit(PDECODE_UNIT du)
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{
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int err;
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err = SLVideo_BeginFrame(m_VideoStream, du->fullLength);
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if (err < 0) {
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
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"SLVideo_BeginFrame() failed: %d",
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err);
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// Need an IDR frame to resync
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return DR_NEED_IDR;
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}
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PLENTRY entry = du->bufferList;
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while (entry != nullptr) {
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err = SLVideo_WriteFrameData(m_VideoStream,
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entry->data,
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entry->length);
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if (err < 0) {
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
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"SLVideo_WriteFrameData() failed: %d",
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err);
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// Need an IDR frame to resync
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return DR_NEED_IDR;
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}
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entry = entry->next;
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}
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err = SLVideo_SubmitFrame(m_VideoStream);
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if (err < 0) {
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
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"SLVideo_SubmitFrame() failed: %d",
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err);
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// Need an IDR frame to resync
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return DR_NEED_IDR;
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}
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return DR_OK;
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}
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