static int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
{
NVENCContext *ctx = avctx->priv_data;
NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
int ret;
NV_ENC_CREATE_INPUT_BUFFER in_buffer = { 0 };
NV_ENC_CREATE_BITSTREAM_BUFFER out_buffer = { 0 };
in_buffer.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
out_buffer.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
in_buffer.width = avctx->width;
in_buffer.height = avctx->height;
in_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED;
switch (avctx->pix_fmt) {
case AV_PIX_FMT_YUV420P:
in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
break;
case AV_PIX_FMT_NV12:
in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
break;
case AV_PIX_FMT_YUV444P:
in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
break;
default:
return AVERROR_BUG;
}
ret = nv->nvEncCreateInputBuffer(ctx->nvenc_ctx, &in_buffer);
if (ret != NV_ENC_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "CreateInputBuffer failed\n");
return AVERROR_UNKNOWN;
}
ctx->in[idx].in = in_buffer.inputBuffer;
ctx->in[idx].format = in_buffer.bufferFmt;
/* 1MB is large enough to hold most output frames.
* NVENC increases this automaticaly if it's not enough. */
out_buffer.size = BITSTREAM_BUFFER_SIZE;
out_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED;
ret = nv->nvEncCreateBitstreamBuffer(ctx->nvenc_ctx, &out_buffer);
if (ret != NV_ENC_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "CreateBitstreamBuffer failed\n");
return AVERROR_UNKNOWN;
}
ctx->out[idx].out = out_buffer.bitstreamBuffer;
ctx->out[idx].busy = 0;
return 0;
}
fcH264EncoderNVIDIA::fcH264EncoderNVIDIA(const fcH264EncoderConfig& conf, void *device, fcHWEncoderDeviceType type)
: m_conf(conf)
{
if (!LoadNVENCModule()) { return; }
NVENCSTATUS stat;
{
NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params;
memset(¶ms, 0, sizeof(params));
params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
params.apiVersion = NVENCAPI_VERSION;
params.device = device;
switch (type) {
case fcHWEncoderDeviceType::D3D9:
case fcHWEncoderDeviceType::D3D10:
case fcHWEncoderDeviceType::D3D11:
case fcHWEncoderDeviceType::D3D12:
params.deviceType = NV_ENC_DEVICE_TYPE_DIRECTX;
break;
case fcHWEncoderDeviceType::CUDA:
params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
break;
}
stat = nvenc.nvEncOpenEncodeSessionEx(¶ms, &m_encoder);
if (!m_encoder) {
return;
}
}
std::vector<GUID> encode_guilds;
std::vector<GUID> profile_guilds;
std::vector<GUID> preset_guilds;
{
uint32_t num_encode_guilds = 0;
uint32_t num_profile_guilds = 0;
uint32_t num_preset_guilds = 0;
nvenc.nvEncGetEncodeGUIDCount(m_encoder, &num_encode_guilds);
encode_guilds.resize(num_encode_guilds);
nvenc.nvEncGetEncodeGUIDs(m_encoder, encode_guilds.data(), num_encode_guilds, &num_encode_guilds);
nvenc.nvEncGetEncodeProfileGUIDCount(m_encoder, NV_ENC_CODEC_H264_GUID, &num_profile_guilds);
profile_guilds.resize(num_profile_guilds);
nvenc.nvEncGetEncodeProfileGUIDs(m_encoder, NV_ENC_CODEC_H264_GUID, profile_guilds.data(), num_profile_guilds, &num_profile_guilds);
nvenc.nvEncGetEncodePresetCount(m_encoder, NV_ENC_CODEC_H264_GUID, &num_preset_guilds);
preset_guilds.resize(num_preset_guilds);
nvenc.nvEncGetEncodePresetGUIDs(m_encoder, NV_ENC_CODEC_H264_GUID, preset_guilds.data(), num_preset_guilds, &num_preset_guilds);
}
{
NV_ENC_INITIALIZE_PARAMS params = { 0 };
params.version = NV_ENC_INITIALIZE_PARAMS_VER;
params.encodeGUID = NV_ENC_CODEC_H264_GUID;
params.presetGUID = NV_ENC_PRESET_DEFAULT_GUID;
params.encodeWidth = conf.width;
params.encodeHeight = conf.height;
params.darWidth = conf.width;
params.darHeight = conf.height;
params.frameRateNum = m_conf.target_framerate;
params.frameRateDen = 1;
params.enablePTD = 1;
NV_ENC_PRESET_CONFIG preset_config = { 0 };
preset_config.version = NV_ENC_PRESET_CONFIG_VER;
preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
stat = nvenc.nvEncGetEncodePresetConfig(m_encoder, params.encodeGUID, params.presetGUID, &preset_config);
NV_ENC_CONFIG encode_config = { 0 };
encode_config.version = NV_ENC_CONFIG_VER;
memcpy(&encode_config, &preset_config.presetCfg, sizeof(NV_ENC_CONFIG));
encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
params.encodeConfig = &encode_config;
stat = nvenc.nvEncInitializeEncoder(m_encoder, ¶ms);
}
{
memset(&m_input, 0, sizeof(m_input));
m_input.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
m_input.width = m_conf.width;
m_input.height = m_conf.height;
m_input.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12;
stat = nvenc.nvEncCreateInputBuffer(m_encoder, &m_input);
}
{
memset(&m_output, 0, sizeof(m_output));
m_output.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
m_output.size = roundup<16>(conf.width) * roundup<16>(conf.height) * 2;
stat = nvenc.nvEncCreateBitstreamBuffer(m_encoder, &m_output);
}
}
