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intra refresh

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This commit is contained in:
pigeatgarlic 2026-04-15 17:15:12 +07:00
parent fb8579081c
commit 7170d1b6c8
2 changed files with 17 additions and 1 deletions
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17
src/nvenc/nvenc_base.cpp
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@ -106,6 +106,7 @@ bool nvenc_base::create_encoder(const nvenc_config &config, const video::config_
encoder_params.height = client_config.height;
encoder_params.buffer_format = buffer_format;
encoder_params.rfi = true;
encoder_params.intra_refresh = client_config.enableIntraRefresh;
NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS session_params = {
min_struct_version(NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER)};
@ -266,6 +267,12 @@ bool nvenc_base::create_encoder(const nvenc_config &config, const video::config_
format_config.chromaFormatIDC = 3;
}
format_config.enableFillerDataInsertion = config.insert_filler_data;
if (client_config.enableIntraRefresh) {
format_config.enableIntraRefresh = 1;
format_config.intraRefreshPeriod = client_config.framerate;
format_config.intraRefreshCnt = format_config.intraRefreshPeriod - 1;
}
};
auto set_ref_frames = [&](uint32_t &ref_frames_option, NV_ENC_NUM_REF_FRAMES &L0_option,
@ -344,6 +351,13 @@ bool nvenc_base::create_encoder(const nvenc_config &config, const video::config_
format_config.idrPeriod = NVENC_INFINITE_GOPLENGTH;
format_config.chromaFormatIDC = 1; // YUV444 not supported by NVENC yet
format_config.enableBitstreamPadding = config.insert_filler_data;
if (client_config.enableIntraRefresh) {
format_config.enableIntraRefresh = 1;
format_config.intraRefreshPeriod = client_config.framerate;
format_config.intraRefreshCnt = format_config.intraRefreshPeriod - 1;
}
if (buffer_is_10bit()) {
format_config.inputPixelBitDepthMinus8 = 2;
format_config.pixelBitDepthMinus8 = 2;
@ -471,7 +485,8 @@ nvenc_encoded_frame nvenc_base::encode_frame(uint64_t frame_index, bool force_id
NV_ENC_PIC_PARAMS pic_params = {min_struct_version(NV_ENC_PIC_PARAMS_VER, 4, 6)};
pic_params.inputWidth = encoder_params.width;
pic_params.inputHeight = encoder_params.height;
pic_params.encodePicFlags = force_idr ? NV_ENC_PIC_FLAG_FORCEIDR : 0;
pic_params.encodePicFlags =
(force_idr && !encoder_params.intra_refresh) ? NV_ENC_PIC_FLAG_FORCEIDR : 0;
pic_params.inputTimeStamp = frame_index;
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
pic_params.inputBuffer = mapped_input_buffer.mappedResource;

1
src/nvenc/nvenc_base.h
View File

@ -66,6 +66,7 @@ protected:
NV_ENC_BUFFER_FORMAT buffer_format = NV_ENC_BUFFER_FORMAT_UNDEFINED;
uint32_t ref_frames_in_dpb = 0;
bool rfi = false;
bool intra_refresh = false;
} encoder_params;
// Derived classes set these variables