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Initial work on AV1 support

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This commit is contained in:
Cameron Gutman
2023-07-03 00:45:36 -05:00
parent 53a572a4a4
commit a81c6a1c5e
6 changed files with 127 additions and 37 deletions
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48
app/streaming/video/ffmpeg.cpp
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@@ -78,6 +78,9 @@ static const QList<codec_info_t> k_NonHwaccelHEVCCodecs = {
{"hevc_omx", 0},
};
static const QList<codec_info_t> k_NonHwaccelAV1Codecs = {
};
bool FFmpegVideoDecoder::isHardwareAccelerated()
{
return m_HwDecodeCfg != nullptr ||
@@ -633,6 +636,19 @@ void FFmpegVideoDecoder::stringifyVideoStats(VIDEO_STATS& stats, char* output)
}
break;
case VIDEO_FORMAT_AV1_MAIN8:
codecString = "AV1";
break;
case VIDEO_FORMAT_AV1_MAIN10:
if (LiGetCurrentHostDisplayHdrMode()) {
codecString = "AV1 10-bit HDR";
}
else {
codecString = "AV1 10-bit SDR";
}
break;
default:
SDL_assert(false);
codecString = "UNKNOWN";
@@ -996,6 +1012,23 @@ bool FFmpegVideoDecoder::initialize(PDECODER_PARAMETERS params)
}
}
}
{
QString av1DecoderHint = qgetenv("AV1_DECODER_HINT");
if (!av1DecoderHint.isEmpty() && (params->videoFormat & VIDEO_FORMAT_MASK_AV1)) {
QByteArray decoderString = av1DecoderHint.toLocal8Bit();
if (tryInitializeRendererForDecoderByName(decoderString.constData(), params)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using custom AV1 decoder (AV1_DECODER_HINT): %s",
decoderString.constData());
return true;
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Custom AV1 decoder (AV1_DECODER_HINT) failed to load: %s",
decoderString.constData());
}
}
}
const AVCodec* decoder;
@@ -1005,6 +1038,9 @@ bool FFmpegVideoDecoder::initialize(PDECODER_PARAMETERS params)
else if (params->videoFormat & VIDEO_FORMAT_MASK_H265) {
decoder = avcodec_find_decoder(AV_CODEC_ID_HEVC);
}
else if (params->videoFormat & VIDEO_FORMAT_MASK_AV1) {
decoder = avcodec_find_decoder(AV_CODEC_ID_AV1);
}
else {
Q_ASSERT(false);
decoder = nullptr;
@@ -1042,13 +1078,23 @@ bool FFmpegVideoDecoder::initialize(PDECODER_PARAMETERS params)
}
}
}
else {
else if (params->videoFormat & VIDEO_FORMAT_MASK_H265) {
for (const codec_info_t& codecInfo : k_NonHwaccelHEVCCodecs) {
if (tryInitializeRendererForDecoderByName(codecInfo.codec, params)) {
return true;
}
}
}
else if (params->videoFormat & VIDEO_FORMAT_MASK_AV1) {
for (const codec_info_t& codecInfo : k_NonHwaccelAV1Codecs) {
if (tryInitializeRendererForDecoderByName(codecInfo.codec, params)) {
return true;
}
}
}
else {
Q_ASSERT(false);
}
// Look for the first matching hwaccel hardware decoder (pass 1)
// This picks up "second-tier" hwaccels like CUDA.