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codec: Disable HW_FRAMES method check on Windows 

It was reported that this method causes crashes on certain Linux decoding backends, hence the check to avoid it.

This subsequently caused Windows GPU decoders to never be selected and always fall back to CPU decoding, disable the check on Windows for now.
This commit is contained in:
ameerj 2022-03-21 20:21:09 -04:00
parent ff2e891022
commit 109566fc8f
1 changed files with 19 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/video_core/command_classes/codecs/codec.cpp
View File

@ -57,6 +57,18 @@ AVPixelFormat GetGpuFormat(AVCodecContext* av_codec_ctx, const AVPixelFormat* pi
av_codec_ctx->pix_fmt = PREFERRED_CPU_FMT;
return PREFERRED_CPU_FMT;
}
// List all the currently available hwcontext in ffmpeg
std::vector<AVHWDeviceType> ListSupportedContexts() {
std::vector<AVHWDeviceType> contexts{};
AVHWDeviceType current_device_type = AV_HWDEVICE_TYPE_NONE;
do {
current_device_type = av_hwdevice_iterate_types(current_device_type);
contexts.push_back(current_device_type);
} while (current_device_type != AV_HWDEVICE_TYPE_NONE);
return contexts;
}
} // namespace
void AVFrameDeleter(AVFrame* ptr) {
@ -77,17 +89,6 @@ Codec::~Codec() {
av_buffer_unref(&av_gpu_decoder);
}
// List all the currently available hwcontext in ffmpeg
static std::vector<AVHWDeviceType> ListSupportedContexts() {
std::vector<AVHWDeviceType> contexts{};
AVHWDeviceType current_device_type = AV_HWDEVICE_TYPE_NONE;
do {
current_device_type = av_hwdevice_iterate_types(current_device_type);
contexts.push_back(current_device_type);
} while (current_device_type != AV_HWDEVICE_TYPE_NONE);
return contexts;
}
bool Codec::CreateGpuAvDevice() {
static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX;
static const auto supported_contexts = ListSupportedContexts();
@ -128,15 +129,19 @@ bool Codec::CreateGpuAvDevice() {
av_codec->name, av_hwdevice_get_type_name(type));
break;
}
if (config->methods & HW_CONFIG_METHOD && config->device_type == type) {
av_codec_ctx->pix_fmt = config->pix_fmt;
if (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX) {
if ((config->methods & HW_CONFIG_METHOD) != 0 && config->device_type == type) {
#if defined(__unix__)
// Some linux decoding backends are reported to crash with this config method
// TODO(ameerj): Properly support this method
if ((config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX) != 0) {
// skip zero-copy decoders, we don't currently support them
LOG_DEBUG(Service_NVDRV, "Skipping decoder {} with unsupported capability {}.",
av_hwdevice_get_type_name(type), config->methods);
continue;
}
#endif
LOG_INFO(Service_NVDRV, "Using {} GPU decoder", av_hwdevice_get_type_name(type));
av_codec_ctx->pix_fmt = config->pix_fmt;
return true;
}
}