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Merge pull request #8066 from ameerj/gpu-decode-fixes

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codec: Fix GPU decoder detection on Windows and a memory leak
This commit is contained in:
Fernando S 2022-04-01 01:37:22 +02:00 committed by GitHub
commit b1fdc02465
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 14 deletions
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35
src/video_core/command_classes/codecs/codec.cpp
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@ -56,6 +56,18 @@ AVPixelFormat GetGpuFormat(AVCodecContext* av_codec_ctx, const AVPixelFormat* pi
av_codec_ctx->pix_fmt = PREFERRED_CPU_FMT; av_codec_ctx->pix_fmt = PREFERRED_CPU_FMT;
return 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 } // namespace
void AVFrameDeleter(AVFrame* ptr) { void AVFrameDeleter(AVFrame* ptr) {
@ -76,17 +88,6 @@ Codec::~Codec() {
av_buffer_unref(&av_gpu_decoder); 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() { bool Codec::CreateGpuAvDevice() {
static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX; static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX;
static const auto supported_contexts = ListSupportedContexts(); static const auto supported_contexts = ListSupportedContexts();
@ -96,6 +97,8 @@ bool Codec::CreateGpuAvDevice() {
LOG_DEBUG(Service_NVDRV, "{} explicitly unsupported", av_hwdevice_get_type_name(type)); LOG_DEBUG(Service_NVDRV, "{} explicitly unsupported", av_hwdevice_get_type_name(type));
continue; continue;
} }
// Avoid memory leak from not cleaning up after av_hwdevice_ctx_create
av_buffer_unref(&av_gpu_decoder);
const int hwdevice_res = av_hwdevice_ctx_create(&av_gpu_decoder, type, nullptr, nullptr, 0); const int hwdevice_res = av_hwdevice_ctx_create(&av_gpu_decoder, type, nullptr, nullptr, 0);
if (hwdevice_res < 0) { if (hwdevice_res < 0) {
LOG_DEBUG(Service_NVDRV, "{} av_hwdevice_ctx_create failed {}", LOG_DEBUG(Service_NVDRV, "{} av_hwdevice_ctx_create failed {}",
@ -127,15 +130,19 @@ bool Codec::CreateGpuAvDevice() {
av_codec->name, av_hwdevice_get_type_name(type)); av_codec->name, av_hwdevice_get_type_name(type));
break; break;
} }
if (config->methods & HW_CONFIG_METHOD && config->device_type == type) { if ((config->methods & HW_CONFIG_METHOD) != 0 && config->device_type == type) {
av_codec_ctx->pix_fmt = config->pix_fmt; #if defined(__unix__)
if (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX) { // 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 // skip zero-copy decoders, we don't currently support them
LOG_DEBUG(Service_NVDRV, "Skipping decoder {} with unsupported capability {}.", LOG_DEBUG(Service_NVDRV, "Skipping decoder {} with unsupported capability {}.",
av_hwdevice_get_type_name(type), config->methods); av_hwdevice_get_type_name(type), config->methods);
continue; continue;
} }
#endif
LOG_INFO(Service_NVDRV, "Using {} GPU decoder", av_hwdevice_get_type_name(type)); LOG_INFO(Service_NVDRV, "Using {} GPU decoder", av_hwdevice_get_type_name(type));
av_codec_ctx->pix_fmt = config->pix_fmt;
return true; return true;
} }
} }