mirror of
https://github.com/obsproject/obs-studio.git
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4fbbae59e3
To avoid a compiler error, this commit also bumps the configured NVENC version to match the updated version in the deps package. Notable changes: * deps.ffmpeg: Update zlib to 1.3 * deps.ffmpeg: Update SVT-AV1 to 1.8.0 * deps.ffmpeg: Update aom to 3.8.0 * deps.ffmpeg: Update libsrt to 1.5.3 * deps.ffmpeg: Update nv-codec-headers to 12.1.14.0 * deps.ffmpeg: Update AMF to 1.4.32 * deps.ffmpeg: Update FFmpeg to 6.1 * deps.macos: Update LuaJIT to 2.1 c525bcb902 * deps.macos: Update FreeType to 2.13.2 * deps.macos: Update Asio to 1.29.0 * deps.macos: Update nlohmann JSON to 3.11.3 * deps.macos: Update Sparkle to 2.5.2 * deps.macos: Update Syphon Framework to 5.0 39e31383ff * deps.windows: Update FreeType to 2.13.2 * deps.windows: Update curl to 8.5.0 * deps.windows: Update LuaJIT to 2.1 c525bcb902 * deps.windows: Update Asio to 1.29.0 * deps.windows: Update nlohmann JSON to 3.11.3 * deps.windows: Update VPL to v2.10.1 * deps.qt: Update Qt6 to 6.6.1 for Windows * deps.qt: Update Qt6 to 6.6.1 for macOS
1687 lines
45 KiB
C
1687 lines
45 KiB
C
#include "obs-nvenc.h"
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#include <util/deque.h>
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#include <util/darray.h>
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#include <util/dstr.h>
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#include <obs-avc.h>
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#include <libavutil/rational.h>
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#define INITGUID
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#include <dxgi.h>
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#include <d3d11.h>
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#include <d3d11_1.h>
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#include <obs-hevc.h>
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/* ========================================================================= */
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/* a hack of the ages: nvenc backward compatibility */
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#define CONFIGURED_NVENC_MAJOR 12
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#define CONFIGURED_NVENC_MINOR 1
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#define CONFIGURED_NVENC_VER \
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(CONFIGURED_NVENC_MAJOR | (CONFIGURED_NVENC_MINOR << 24))
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/* we cannot guarantee structures haven't changed, so purposely break on
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* version change to force the programmer to update or remove backward
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* compatibility NVENC code. */
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#if CONFIGURED_NVENC_VER != NVENCAPI_VERSION
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#error NVENC version changed, update or remove NVENC compatibility code
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#endif
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#undef NVENCAPI_STRUCT_VERSION
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#define NVENCAPI_STRUCT_VERSION(ver) \
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((uint32_t)(enc->needs_compat_ver ? NVENC_COMPAT_VER \
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: NVENCAPI_VERSION) | \
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((ver) << 16) | (0x7 << 28))
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#define NV_ENC_CONFIG_COMPAT_VER (NVENCAPI_STRUCT_VERSION(7) | (1 << 31))
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#define NV_ENC_PIC_PARAMS_COMPAT_VER (NVENCAPI_STRUCT_VERSION(4) | (1 << 31))
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#define NV_ENC_LOCK_BITSTREAM_COMPAT_VER NVENCAPI_STRUCT_VERSION(1)
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#define NV_ENC_REGISTER_RESOURCE_COMPAT_VER NVENCAPI_STRUCT_VERSION(3)
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#define COMPATIBILITY_VERSION \
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(NVENC_COMPAT_MAJOR_VER << 4 | NVENC_COMPAT_MINOR_VER)
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/* ========================================================================= */
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#define EXTRA_BUFFERS 5
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#define do_log(level, format, ...) \
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blog(level, "[obs-nvenc: '%s'] " format, \
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obs_encoder_get_name(enc->encoder), ##__VA_ARGS__)
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#define error(format, ...) do_log(LOG_ERROR, format, ##__VA_ARGS__)
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#define warn(format, ...) do_log(LOG_WARNING, format, ##__VA_ARGS__)
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#define info(format, ...) do_log(LOG_INFO, format, ##__VA_ARGS__)
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#define debug(format, ...) do_log(LOG_DEBUG, format, ##__VA_ARGS__)
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#define error_hr(msg) error("%s: %s: 0x%08lX", __FUNCTION__, msg, (uint32_t)hr);
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struct nv_bitstream;
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struct nv_texture;
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struct handle_tex {
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uint32_t handle;
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ID3D11Texture2D *tex;
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IDXGIKeyedMutex *km;
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};
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/* ------------------------------------------------------------------------- */
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/* Main Implementation Structure */
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enum codec_type {
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CODEC_H264,
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CODEC_HEVC,
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CODEC_AV1,
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};
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static const char *get_codec_name(enum codec_type type)
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{
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switch (type) {
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case CODEC_H264:
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return "H264";
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case CODEC_HEVC:
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return "HEVC";
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case CODEC_AV1:
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return "AV1";
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}
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return "Unknown";
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}
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struct nvenc_data {
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obs_encoder_t *encoder;
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enum codec_type codec;
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GUID codec_guid;
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void *session;
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NV_ENC_INITIALIZE_PARAMS params;
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NV_ENC_CONFIG config;
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int rc_lookahead;
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int buf_count;
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int output_delay;
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int buffers_queued;
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size_t next_bitstream;
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size_t cur_bitstream;
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bool encode_started;
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bool first_packet;
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bool can_change_bitrate;
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bool needs_compat_ver;
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int32_t bframes;
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DARRAY(struct nv_bitstream) bitstreams;
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DARRAY(struct nv_texture) textures;
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DARRAY(struct handle_tex) input_textures;
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struct deque dts_list;
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DARRAY(uint8_t) packet_data;
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int64_t packet_pts;
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bool packet_keyframe;
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ID3D11Device *device;
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ID3D11DeviceContext *context;
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uint32_t cx;
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uint32_t cy;
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uint8_t *header;
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size_t header_size;
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uint8_t *sei;
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size_t sei_size;
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int8_t *roi_map;
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size_t roi_map_size;
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uint32_t roi_increment;
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};
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/* ------------------------------------------------------------------------- */
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/* Bitstream Buffer */
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struct nv_bitstream {
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void *ptr;
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};
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#define NV_FAIL(format, ...) nv_fail(enc->encoder, format, ##__VA_ARGS__)
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#define NV_FAILED(x) nv_failed(enc->encoder, x, __FUNCTION__, #x)
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static bool nv_bitstream_init(struct nvenc_data *enc, struct nv_bitstream *bs)
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{
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NV_ENC_CREATE_BITSTREAM_BUFFER buf = {
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NV_ENC_CREATE_BITSTREAM_BUFFER_VER};
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if (NV_FAILED(nv.nvEncCreateBitstreamBuffer(enc->session, &buf))) {
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return false;
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}
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bs->ptr = buf.bitstreamBuffer;
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return true;
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}
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static void nv_bitstream_free(struct nvenc_data *enc, struct nv_bitstream *bs)
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{
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if (bs->ptr) {
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nv.nvEncDestroyBitstreamBuffer(enc->session, bs->ptr);
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}
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}
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/* ------------------------------------------------------------------------- */
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/* Texture Resource */
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struct nv_texture {
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void *res;
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ID3D11Texture2D *tex;
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void *mapped_res;
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};
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static bool nv_texture_init(struct nvenc_data *enc, struct nv_texture *nvtex)
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{
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const bool p010 = obs_p010_tex_active();
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D3D11_TEXTURE2D_DESC desc = {0};
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desc.Width = enc->cx;
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desc.Height = enc->cy;
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desc.MipLevels = 1;
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desc.ArraySize = 1;
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desc.Format = p010 ? DXGI_FORMAT_P010 : DXGI_FORMAT_NV12;
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desc.SampleDesc.Count = 1;
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desc.BindFlags = D3D11_BIND_RENDER_TARGET;
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ID3D11Device *const device = enc->device;
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ID3D11Texture2D *tex;
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HRESULT hr = device->lpVtbl->CreateTexture2D(device, &desc, NULL, &tex);
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if (FAILED(hr)) {
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error_hr("Failed to create texture");
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return false;
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}
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tex->lpVtbl->SetEvictionPriority(tex, DXGI_RESOURCE_PRIORITY_MAXIMUM);
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uint32_t struct_ver = enc->needs_compat_ver
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? NV_ENC_REGISTER_RESOURCE_COMPAT_VER
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: NV_ENC_REGISTER_RESOURCE_VER;
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NV_ENC_REGISTER_RESOURCE res = {struct_ver};
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res.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_DIRECTX;
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res.resourceToRegister = tex;
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res.width = enc->cx;
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res.height = enc->cy;
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res.bufferFormat = p010 ? NV_ENC_BUFFER_FORMAT_YUV420_10BIT
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: NV_ENC_BUFFER_FORMAT_NV12;
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if (NV_FAILED(nv.nvEncRegisterResource(enc->session, &res))) {
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tex->lpVtbl->Release(tex);
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return false;
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}
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nvtex->res = res.registeredResource;
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nvtex->tex = tex;
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nvtex->mapped_res = NULL;
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return true;
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}
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static void nv_texture_free(struct nvenc_data *enc, struct nv_texture *nvtex)
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{
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if (nvtex->res) {
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if (nvtex->mapped_res) {
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nv.nvEncUnmapInputResource(enc->session,
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nvtex->mapped_res);
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}
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nv.nvEncUnregisterResource(enc->session, nvtex->res);
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nvtex->tex->lpVtbl->Release(nvtex->tex);
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}
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}
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/* ------------------------------------------------------------------------- */
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/* Implementation */
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static const char *h264_nvenc_get_name(void *type_data)
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{
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UNUSED_PARAMETER(type_data);
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return "NVIDIA NVENC H.264";
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}
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#ifdef ENABLE_HEVC
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static const char *hevc_nvenc_get_name(void *type_data)
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{
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UNUSED_PARAMETER(type_data);
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return "NVIDIA NVENC HEVC";
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}
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#endif
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static const char *av1_nvenc_get_name(void *type_data)
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{
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UNUSED_PARAMETER(type_data);
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return "NVIDIA NVENC AV1";
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}
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static inline int nv_get_cap(struct nvenc_data *enc, NV_ENC_CAPS cap)
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{
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if (!enc->session)
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return 0;
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NV_ENC_CAPS_PARAM param = {NV_ENC_CAPS_PARAM_VER};
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int v;
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param.capsToQuery = cap;
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nv.nvEncGetEncodeCaps(enc->session, enc->codec_guid, ¶m, &v);
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return v;
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}
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static bool nvenc_update(void *data, obs_data_t *settings)
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{
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struct nvenc_data *enc = data;
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/* Only support reconfiguration of CBR bitrate */
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if (enc->can_change_bitrate) {
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int bitrate = (int)obs_data_get_int(settings, "bitrate");
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int max_bitrate =
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(int)obs_data_get_int(settings, "max_bitrate");
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bool vbr = (enc->config.rcParams.rateControlMode ==
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NV_ENC_PARAMS_RC_VBR);
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enc->config.rcParams.averageBitRate = bitrate * 1000;
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enc->config.rcParams.maxBitRate = vbr ? max_bitrate * 1000
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: bitrate * 1000;
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NV_ENC_RECONFIGURE_PARAMS params = {0};
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params.version = NV_ENC_RECONFIGURE_PARAMS_VER;
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params.reInitEncodeParams = enc->params;
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params.resetEncoder = 1;
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params.forceIDR = 1;
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if (NV_FAILED(nv.nvEncReconfigureEncoder(enc->session,
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¶ms))) {
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return false;
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}
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}
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return true;
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}
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static HANDLE get_lib(struct nvenc_data *enc, const char *lib)
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{
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HMODULE mod = GetModuleHandleA(lib);
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if (mod)
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return mod;
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mod = LoadLibraryA(lib);
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if (!mod)
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error("Failed to load %s", lib);
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return mod;
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}
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typedef HRESULT(WINAPI *CREATEDXGIFACTORY1PROC)(REFIID, void **);
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static bool init_d3d11(struct nvenc_data *enc, obs_data_t *settings)
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{
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HMODULE dxgi = get_lib(enc, "DXGI.dll");
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HMODULE d3d11 = get_lib(enc, "D3D11.dll");
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CREATEDXGIFACTORY1PROC create_dxgi;
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PFN_D3D11_CREATE_DEVICE create_device;
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IDXGIFactory1 *factory;
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IDXGIAdapter *adapter;
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ID3D11Device *device;
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ID3D11DeviceContext *context;
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HRESULT hr;
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if (!dxgi || !d3d11) {
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return false;
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}
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create_dxgi = (CREATEDXGIFACTORY1PROC)GetProcAddress(
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dxgi, "CreateDXGIFactory1");
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create_device = (PFN_D3D11_CREATE_DEVICE)GetProcAddress(
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d3d11, "D3D11CreateDevice");
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if (!create_dxgi || !create_device) {
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error("Failed to load D3D11/DXGI procedures");
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return false;
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}
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hr = create_dxgi(&IID_IDXGIFactory1, &factory);
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if (FAILED(hr)) {
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error_hr("CreateDXGIFactory1 failed");
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return false;
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}
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hr = factory->lpVtbl->EnumAdapters(factory, 0, &adapter);
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factory->lpVtbl->Release(factory);
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if (FAILED(hr)) {
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error_hr("EnumAdapters failed");
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return false;
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}
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hr = create_device(adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, 0, NULL, 0,
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D3D11_SDK_VERSION, &device, NULL, &context);
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adapter->lpVtbl->Release(adapter);
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if (FAILED(hr)) {
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error_hr("D3D11CreateDevice failed");
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return false;
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}
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enc->device = device;
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enc->context = context;
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return true;
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}
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static bool init_session(struct nvenc_data *enc)
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{
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NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params = {
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NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER};
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params.device = enc->device;
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params.deviceType = NV_ENC_DEVICE_TYPE_DIRECTX;
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params.apiVersion = enc->needs_compat_ver ? NVENC_COMPAT_VER
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: NVENCAPI_VERSION;
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if (NV_FAILED(nv.nvEncOpenEncodeSessionEx(¶ms, &enc->session))) {
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return false;
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}
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return true;
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}
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static void initialize_params(struct nvenc_data *enc, const GUID *nv_preset,
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NV_ENC_TUNING_INFO nv_tuning, uint32_t width,
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uint32_t height, uint32_t fps_num,
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uint32_t fps_den)
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{
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int darWidth, darHeight;
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av_reduce(&darWidth, &darHeight, width, height, 1024 * 1024);
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NV_ENC_INITIALIZE_PARAMS *params = &enc->params;
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memset(params, 0, sizeof(*params));
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params->version = NV_ENC_INITIALIZE_PARAMS_VER;
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params->encodeGUID = enc->codec_guid;
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params->presetGUID = *nv_preset;
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params->encodeWidth = width;
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params->encodeHeight = height;
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params->darWidth = enc->codec == CODEC_AV1 ? width : darWidth;
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params->darHeight = enc->codec == CODEC_AV1 ? height : darHeight;
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params->frameRateNum = fps_num;
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params->frameRateDen = fps_den;
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params->enableEncodeAsync = 0;
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params->enablePTD = 1;
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params->encodeConfig = &enc->config;
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params->tuningInfo = nv_tuning;
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}
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static inline GUID get_nv_preset2(const char *preset2)
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{
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if (astrcmpi(preset2, "p1") == 0) {
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return NV_ENC_PRESET_P1_GUID;
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} else if (astrcmpi(preset2, "p2") == 0) {
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return NV_ENC_PRESET_P2_GUID;
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} else if (astrcmpi(preset2, "p3") == 0) {
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return NV_ENC_PRESET_P3_GUID;
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} else if (astrcmpi(preset2, "p4") == 0) {
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return NV_ENC_PRESET_P4_GUID;
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} else if (astrcmpi(preset2, "p6") == 0) {
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return NV_ENC_PRESET_P6_GUID;
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} else if (astrcmpi(preset2, "p7") == 0) {
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return NV_ENC_PRESET_P7_GUID;
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} else {
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return NV_ENC_PRESET_P5_GUID;
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}
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}
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static inline NV_ENC_TUNING_INFO get_nv_tuning(const char *tuning)
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{
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if (astrcmpi(tuning, "ll") == 0) {
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return NV_ENC_TUNING_INFO_LOW_LATENCY;
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} else if (astrcmpi(tuning, "ull") == 0) {
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return NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY;
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} else {
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return NV_ENC_TUNING_INFO_HIGH_QUALITY;
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}
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}
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static inline NV_ENC_MULTI_PASS get_nv_multipass(const char *multipass)
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{
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if (astrcmpi(multipass, "qres") == 0) {
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return NV_ENC_TWO_PASS_QUARTER_RESOLUTION;
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} else if (astrcmpi(multipass, "fullres") == 0) {
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return NV_ENC_TWO_PASS_FULL_RESOLUTION;
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} else {
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return NV_ENC_MULTI_PASS_DISABLED;
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}
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}
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static bool init_encoder_base(struct nvenc_data *enc, obs_data_t *settings,
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int bf, bool compatibility, bool *lossless)
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{
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const char *rc = obs_data_get_string(settings, "rate_control");
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int bitrate = (int)obs_data_get_int(settings, "bitrate");
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int max_bitrate = (int)obs_data_get_int(settings, "max_bitrate");
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int cqp = (int)obs_data_get_int(settings, "cqp");
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int keyint_sec = (int)obs_data_get_int(settings, "keyint_sec");
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const char *preset = obs_data_get_string(settings, "preset");
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const char *preset2 = obs_data_get_string(settings, "preset2");
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const char *tuning = obs_data_get_string(settings, "tune");
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const char *multipass = obs_data_get_string(settings, "multipass");
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const char *profile = obs_data_get_string(settings, "profile");
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bool lookahead = obs_data_get_bool(settings, "lookahead");
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bool vbr = astrcmpi(rc, "VBR") == 0;
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bool psycho_aq = !compatibility &&
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obs_data_get_bool(settings, "psycho_aq");
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bool disable_scenecut = obs_data_get_bool(settings, "disable_scenecut");
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NVENCSTATUS err;
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|
|
video_t *video = obs_encoder_video(enc->encoder);
|
|
const struct video_output_info *voi = video_output_get_info(video);
|
|
|
|
enc->cx = obs_encoder_get_width(enc->encoder);
|
|
enc->cy = obs_encoder_get_height(enc->encoder);
|
|
|
|
/* -------------------------- */
|
|
/* get preset */
|
|
|
|
GUID nv_preset = get_nv_preset2(preset2);
|
|
NV_ENC_TUNING_INFO nv_tuning = get_nv_tuning(tuning);
|
|
NV_ENC_MULTI_PASS nv_multipass = compatibility
|
|
? NV_ENC_MULTI_PASS_DISABLED
|
|
: get_nv_multipass(multipass);
|
|
|
|
if (obs_data_has_user_value(settings, "preset") &&
|
|
!obs_data_has_user_value(settings, "preset2") &&
|
|
enc->codec == CODEC_H264) {
|
|
if (astrcmpi(preset, "mq") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P5_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_TWO_PASS_QUARTER_RESOLUTION;
|
|
|
|
} else if (astrcmpi(preset, "hq") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P5_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "default") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P3_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "hp") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P1_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "ll") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P3_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_LOW_LATENCY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "llhq") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P4_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_LOW_LATENCY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "llhp") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P2_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_LOW_LATENCY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
}
|
|
} else if (obs_data_has_user_value(settings, "preset") &&
|
|
!obs_data_has_user_value(settings, "preset2") &&
|
|
enc->codec == CODEC_HEVC) {
|
|
if (astrcmpi(preset, "mq") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P6_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_TWO_PASS_QUARTER_RESOLUTION;
|
|
|
|
} else if (astrcmpi(preset, "hq") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P6_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "default") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P5_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "hp") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P1_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "ll") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P3_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_LOW_LATENCY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "llhq") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P4_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_LOW_LATENCY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
|
|
} else if (astrcmpi(preset, "llhp") == 0) {
|
|
nv_preset = NV_ENC_PRESET_P2_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_LOW_LATENCY;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
}
|
|
}
|
|
|
|
const bool rc_lossless = astrcmpi(rc, "lossless") == 0;
|
|
*lossless = rc_lossless;
|
|
if (rc_lossless) {
|
|
*lossless =
|
|
nv_get_cap(enc, NV_ENC_CAPS_SUPPORT_LOSSLESS_ENCODE);
|
|
if (*lossless) {
|
|
nv_tuning = NV_ENC_TUNING_INFO_LOSSLESS;
|
|
nv_multipass = NV_ENC_MULTI_PASS_DISABLED;
|
|
} else {
|
|
warn("lossless encode is not supported, ignoring");
|
|
nv_preset = NV_ENC_PRESET_P5_GUID;
|
|
nv_tuning = NV_ENC_TUNING_INFO_HIGH_QUALITY;
|
|
nv_multipass = NV_ENC_TWO_PASS_QUARTER_RESOLUTION;
|
|
}
|
|
}
|
|
|
|
/* -------------------------- */
|
|
/* get preset default config */
|
|
|
|
uint32_t config_ver = enc->needs_compat_ver ? NV_ENC_CONFIG_COMPAT_VER
|
|
: NV_ENC_CONFIG_VER;
|
|
|
|
NV_ENC_PRESET_CONFIG preset_config = {NV_ENC_PRESET_CONFIG_VER,
|
|
{config_ver}};
|
|
|
|
err = nv.nvEncGetEncodePresetConfigEx(enc->session, enc->codec_guid,
|
|
nv_preset, nv_tuning,
|
|
&preset_config);
|
|
if (nv_failed(enc->encoder, err, __FUNCTION__,
|
|
"nvEncGetEncodePresetConfig")) {
|
|
return false;
|
|
}
|
|
|
|
/* -------------------------- */
|
|
/* main configuration */
|
|
|
|
enc->config = preset_config.presetCfg;
|
|
|
|
uint32_t gop_size =
|
|
(keyint_sec) ? keyint_sec * voi->fps_num / voi->fps_den : 250;
|
|
|
|
NV_ENC_CONFIG *config = &enc->config;
|
|
|
|
initialize_params(enc, &nv_preset, nv_tuning, voi->width, voi->height,
|
|
voi->fps_num, voi->fps_den);
|
|
|
|
config->gopLength = gop_size;
|
|
config->frameIntervalP = 1 + bf;
|
|
|
|
enc->bframes = bf;
|
|
|
|
/* lookahead */
|
|
const bool use_profile_lookahead = config->rcParams.enableLookahead;
|
|
lookahead = nv_get_cap(enc, NV_ENC_CAPS_SUPPORT_LOOKAHEAD) &&
|
|
(lookahead || use_profile_lookahead);
|
|
if (lookahead) {
|
|
enc->rc_lookahead = use_profile_lookahead
|
|
? config->rcParams.lookaheadDepth
|
|
: 8;
|
|
}
|
|
|
|
int buf_count = max(4, config->frameIntervalP * 2 * 2);
|
|
if (lookahead) {
|
|
buf_count = max(buf_count, config->frameIntervalP +
|
|
enc->rc_lookahead +
|
|
EXTRA_BUFFERS);
|
|
}
|
|
|
|
buf_count = min(64, buf_count);
|
|
enc->buf_count = buf_count;
|
|
|
|
const int output_delay = buf_count - 1;
|
|
enc->output_delay = output_delay;
|
|
|
|
if (lookahead) {
|
|
const int lkd_bound = output_delay - config->frameIntervalP - 4;
|
|
if (lkd_bound >= 0) {
|
|
config->rcParams.enableLookahead = 1;
|
|
config->rcParams.lookaheadDepth =
|
|
max(enc->rc_lookahead, lkd_bound);
|
|
config->rcParams.disableIadapt = 0;
|
|
config->rcParams.disableBadapt = 0;
|
|
} else {
|
|
lookahead = false;
|
|
}
|
|
}
|
|
|
|
enc->config.rcParams.disableIadapt = disable_scenecut;
|
|
|
|
/* psycho aq */
|
|
if (!compatibility) {
|
|
if (nv_get_cap(enc, NV_ENC_CAPS_SUPPORT_TEMPORAL_AQ)) {
|
|
config->rcParams.enableAQ = psycho_aq;
|
|
config->rcParams.aqStrength = 8;
|
|
config->rcParams.enableTemporalAQ = psycho_aq;
|
|
} else {
|
|
warn("Ignoring Psycho Visual Tuning request since GPU is not capable");
|
|
}
|
|
}
|
|
|
|
/* -------------------------- */
|
|
/* rate control */
|
|
|
|
enc->can_change_bitrate =
|
|
nv_get_cap(enc, NV_ENC_CAPS_SUPPORT_DYN_BITRATE_CHANGE);
|
|
|
|
config->rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
|
|
|
|
if (astrcmpi(rc, "cqp") == 0 || rc_lossless) {
|
|
if (*lossless)
|
|
cqp = 0;
|
|
|
|
int cqp_val = enc->codec == CODEC_AV1 ? cqp * 4 : cqp;
|
|
|
|
config->rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
|
|
config->rcParams.constQP.qpInterP = cqp_val;
|
|
config->rcParams.constQP.qpInterB = cqp_val;
|
|
config->rcParams.constQP.qpIntra = cqp_val;
|
|
enc->can_change_bitrate = false;
|
|
|
|
bitrate = 0;
|
|
max_bitrate = 0;
|
|
|
|
} else if (astrcmpi(rc, "vbr") != 0) { /* CBR by default */
|
|
config->rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
|
|
}
|
|
|
|
config->rcParams.averageBitRate = bitrate * 1000;
|
|
config->rcParams.maxBitRate = vbr ? max_bitrate * 1000 : bitrate * 1000;
|
|
config->rcParams.vbvBufferSize = bitrate * 1000;
|
|
config->rcParams.multiPass = nv_multipass;
|
|
config->rcParams.qpMapMode = NV_ENC_QP_MAP_DELTA;
|
|
|
|
/* -------------------------- */
|
|
/* initialize */
|
|
|
|
info("settings:\n"
|
|
"\tcodec: %s\n"
|
|
"\trate_control: %s\n"
|
|
"\tbitrate: %d\n"
|
|
"\tcqp: %d\n"
|
|
"\tkeyint: %d\n"
|
|
"\tpreset: %s\n"
|
|
"\ttuning: %s\n"
|
|
"\tmultipass: %s\n"
|
|
"\tprofile: %s\n"
|
|
"\twidth: %d\n"
|
|
"\theight: %d\n"
|
|
"\tb-frames: %d\n"
|
|
"\tlookahead: %s\n"
|
|
"\tpsycho_aq: %s\n",
|
|
get_codec_name(enc->codec), rc, bitrate, cqp, gop_size, preset2,
|
|
tuning, multipass, profile, enc->cx, enc->cy, bf,
|
|
lookahead ? "true" : "false", psycho_aq ? "true" : "false");
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool init_encoder_h264(struct nvenc_data *enc, obs_data_t *settings,
|
|
int bf, bool compatibility)
|
|
{
|
|
const char *rc = obs_data_get_string(settings, "rate_control");
|
|
int keyint_sec = (int)obs_data_get_int(settings, "keyint_sec");
|
|
const char *profile = obs_data_get_string(settings, "profile");
|
|
bool lossless;
|
|
|
|
if (!init_encoder_base(enc, settings, bf, compatibility, &lossless)) {
|
|
return false;
|
|
}
|
|
|
|
NV_ENC_CONFIG *config = &enc->config;
|
|
NV_ENC_CONFIG_H264 *h264_config = &config->encodeCodecConfig.h264Config;
|
|
NV_ENC_CONFIG_H264_VUI_PARAMETERS *vui_params =
|
|
&h264_config->h264VUIParameters;
|
|
|
|
video_t *video = obs_encoder_video(enc->encoder);
|
|
const struct video_output_info *voi = video_output_get_info(video);
|
|
uint32_t gop_size =
|
|
(keyint_sec) ? keyint_sec * voi->fps_num / voi->fps_den : 250;
|
|
|
|
h264_config->idrPeriod = gop_size;
|
|
|
|
bool repeat_headers = obs_data_get_bool(settings, "repeat_headers");
|
|
if (repeat_headers) {
|
|
h264_config->repeatSPSPPS = 1;
|
|
h264_config->disableSPSPPS = 0;
|
|
h264_config->outputAUD = 1;
|
|
}
|
|
|
|
h264_config->sliceMode = 3;
|
|
h264_config->sliceModeData = 1;
|
|
|
|
h264_config->useBFramesAsRef = NV_ENC_BFRAME_REF_MODE_DISABLED;
|
|
|
|
/* Enable CBR padding */
|
|
if (config->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR)
|
|
h264_config->enableFillerDataInsertion = 1;
|
|
|
|
vui_params->videoSignalTypePresentFlag = 1;
|
|
vui_params->videoFullRangeFlag = (voi->range == VIDEO_RANGE_FULL);
|
|
vui_params->colourDescriptionPresentFlag = 1;
|
|
|
|
switch (voi->colorspace) {
|
|
case VIDEO_CS_601:
|
|
vui_params->colourPrimaries = 6;
|
|
vui_params->transferCharacteristics = 6;
|
|
vui_params->colourMatrix = 6;
|
|
break;
|
|
case VIDEO_CS_DEFAULT:
|
|
case VIDEO_CS_709:
|
|
vui_params->colourPrimaries = 1;
|
|
vui_params->transferCharacteristics = 1;
|
|
vui_params->colourMatrix = 1;
|
|
break;
|
|
case VIDEO_CS_SRGB:
|
|
vui_params->colourPrimaries = 1;
|
|
vui_params->transferCharacteristics = 13;
|
|
vui_params->colourMatrix = 1;
|
|
break;
|
|
}
|
|
|
|
if (astrcmpi(rc, "lossless") == 0) {
|
|
h264_config->qpPrimeYZeroTransformBypassFlag = 1;
|
|
} else if (astrcmpi(rc, "vbr") != 0) { /* CBR */
|
|
h264_config->outputBufferingPeriodSEI = 1;
|
|
}
|
|
|
|
h264_config->outputPictureTimingSEI = 1;
|
|
|
|
/* -------------------------- */
|
|
/* profile */
|
|
|
|
if (astrcmpi(profile, "main") == 0) {
|
|
config->profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
|
|
} else if (astrcmpi(profile, "baseline") == 0) {
|
|
config->profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
|
|
} else if (!lossless) {
|
|
config->profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
|
|
}
|
|
|
|
if (NV_FAILED(nv.nvEncInitializeEncoder(enc->session, &enc->params))) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool init_encoder_hevc(struct nvenc_data *enc, obs_data_t *settings,
|
|
int bf, bool compatibility)
|
|
{
|
|
const char *rc = obs_data_get_string(settings, "rate_control");
|
|
int keyint_sec = (int)obs_data_get_int(settings, "keyint_sec");
|
|
const char *profile = obs_data_get_string(settings, "profile");
|
|
bool lossless;
|
|
|
|
if (!init_encoder_base(enc, settings, bf, compatibility, &lossless)) {
|
|
return false;
|
|
}
|
|
|
|
NV_ENC_CONFIG *config = &enc->config;
|
|
NV_ENC_CONFIG_HEVC *hevc_config = &config->encodeCodecConfig.hevcConfig;
|
|
NV_ENC_CONFIG_HEVC_VUI_PARAMETERS *vui_params =
|
|
&hevc_config->hevcVUIParameters;
|
|
|
|
video_t *video = obs_encoder_video(enc->encoder);
|
|
const struct video_output_info *voi = video_output_get_info(video);
|
|
uint32_t gop_size =
|
|
(keyint_sec) ? keyint_sec * voi->fps_num / voi->fps_den : 250;
|
|
|
|
hevc_config->idrPeriod = gop_size;
|
|
|
|
bool repeat_headers = obs_data_get_bool(settings, "repeat_headers");
|
|
if (repeat_headers) {
|
|
hevc_config->repeatSPSPPS = 1;
|
|
hevc_config->disableSPSPPS = 0;
|
|
hevc_config->outputAUD = 1;
|
|
}
|
|
|
|
hevc_config->sliceMode = 3;
|
|
hevc_config->sliceModeData = 1;
|
|
|
|
hevc_config->useBFramesAsRef = NV_ENC_BFRAME_REF_MODE_DISABLED;
|
|
|
|
/* Enable CBR padding */
|
|
if (config->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR)
|
|
hevc_config->enableFillerDataInsertion = 1;
|
|
|
|
vui_params->videoSignalTypePresentFlag = 1;
|
|
vui_params->videoFullRangeFlag = (voi->range == VIDEO_RANGE_FULL);
|
|
vui_params->colourDescriptionPresentFlag = 1;
|
|
|
|
switch (voi->colorspace) {
|
|
case VIDEO_CS_601:
|
|
vui_params->colourPrimaries = 6;
|
|
vui_params->transferCharacteristics = 6;
|
|
vui_params->colourMatrix = 6;
|
|
break;
|
|
case VIDEO_CS_DEFAULT:
|
|
case VIDEO_CS_709:
|
|
vui_params->colourPrimaries = 1;
|
|
vui_params->transferCharacteristics = 1;
|
|
vui_params->colourMatrix = 1;
|
|
break;
|
|
case VIDEO_CS_SRGB:
|
|
vui_params->colourPrimaries = 1;
|
|
vui_params->transferCharacteristics = 13;
|
|
vui_params->colourMatrix = 1;
|
|
break;
|
|
case VIDEO_CS_2100_PQ:
|
|
vui_params->colourPrimaries = 9;
|
|
vui_params->transferCharacteristics = 16;
|
|
vui_params->colourMatrix = 9;
|
|
vui_params->chromaSampleLocationFlag = 1;
|
|
vui_params->chromaSampleLocationTop = 2;
|
|
vui_params->chromaSampleLocationBot = 2;
|
|
break;
|
|
case VIDEO_CS_2100_HLG:
|
|
vui_params->colourPrimaries = 9;
|
|
vui_params->transferCharacteristics = 18;
|
|
vui_params->colourMatrix = 9;
|
|
vui_params->chromaSampleLocationFlag = 1;
|
|
vui_params->chromaSampleLocationTop = 2;
|
|
vui_params->chromaSampleLocationBot = 2;
|
|
}
|
|
|
|
hevc_config->pixelBitDepthMinus8 = obs_p010_tex_active() ? 2 : 0;
|
|
|
|
if (astrcmpi(rc, "cbr") == 0) {
|
|
hevc_config->outputBufferingPeriodSEI = 1;
|
|
}
|
|
|
|
hevc_config->outputPictureTimingSEI = 1;
|
|
|
|
/* -------------------------- */
|
|
/* profile */
|
|
|
|
if (astrcmpi(profile, "main10") == 0) {
|
|
config->profileGUID = NV_ENC_HEVC_PROFILE_MAIN10_GUID;
|
|
} else if (obs_p010_tex_active()) {
|
|
blog(LOG_WARNING, "[obs-nvenc] Forcing main10 for P010");
|
|
config->profileGUID = NV_ENC_HEVC_PROFILE_MAIN10_GUID;
|
|
} else {
|
|
config->profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
|
|
}
|
|
|
|
if (NV_FAILED(nv.nvEncInitializeEncoder(enc->session, &enc->params))) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool init_encoder_av1(struct nvenc_data *enc, obs_data_t *settings,
|
|
int bf, bool compatibility)
|
|
{
|
|
const char *rc = obs_data_get_string(settings, "rate_control");
|
|
int keyint_sec = (int)obs_data_get_int(settings, "keyint_sec");
|
|
bool lossless;
|
|
|
|
if (!init_encoder_base(enc, settings, bf, compatibility, &lossless)) {
|
|
return false;
|
|
}
|
|
|
|
NV_ENC_INITIALIZE_PARAMS *params = &enc->params;
|
|
NV_ENC_CONFIG *config = &enc->config;
|
|
NV_ENC_CONFIG_AV1 *av1_config = &config->encodeCodecConfig.av1Config;
|
|
|
|
video_t *video = obs_encoder_video(enc->encoder);
|
|
const struct video_output_info *voi = video_output_get_info(video);
|
|
uint32_t gop_size =
|
|
(keyint_sec) ? keyint_sec * voi->fps_num / voi->fps_den : 250;
|
|
|
|
av1_config->idrPeriod = gop_size;
|
|
|
|
av1_config->useBFramesAsRef = NV_ENC_BFRAME_REF_MODE_DISABLED;
|
|
|
|
av1_config->colorRange = (voi->range == VIDEO_RANGE_FULL);
|
|
|
|
/* Enable CBR padding */
|
|
if (config->rcParams.rateControlMode == NV_ENC_PARAMS_RC_CBR)
|
|
av1_config->enableBitstreamPadding = 1;
|
|
|
|
switch (voi->colorspace) {
|
|
case VIDEO_CS_601:
|
|
av1_config->colorPrimaries = 6;
|
|
av1_config->transferCharacteristics = 6;
|
|
av1_config->matrixCoefficients = 6;
|
|
break;
|
|
case VIDEO_CS_DEFAULT:
|
|
case VIDEO_CS_709:
|
|
av1_config->colorPrimaries = 1;
|
|
av1_config->transferCharacteristics = 1;
|
|
av1_config->matrixCoefficients = 1;
|
|
break;
|
|
case VIDEO_CS_SRGB:
|
|
av1_config->colorPrimaries = 1;
|
|
av1_config->transferCharacteristics = 13;
|
|
av1_config->matrixCoefficients = 1;
|
|
break;
|
|
case VIDEO_CS_2100_PQ:
|
|
av1_config->colorPrimaries = 9;
|
|
av1_config->transferCharacteristics = 16;
|
|
av1_config->matrixCoefficients = 9;
|
|
break;
|
|
case VIDEO_CS_2100_HLG:
|
|
av1_config->colorPrimaries = 9;
|
|
av1_config->transferCharacteristics = 18;
|
|
av1_config->matrixCoefficients = 9;
|
|
}
|
|
|
|
/* -------------------------- */
|
|
/* profile */
|
|
|
|
config->profileGUID = NV_ENC_AV1_PROFILE_MAIN_GUID;
|
|
av1_config->tier = NV_ENC_TIER_AV1_0;
|
|
|
|
av1_config->level = NV_ENC_LEVEL_AV1_AUTOSELECT;
|
|
av1_config->chromaFormatIDC = 1;
|
|
av1_config->pixelBitDepthMinus8 = obs_p010_tex_active() ? 2 : 0;
|
|
av1_config->inputPixelBitDepthMinus8 = av1_config->pixelBitDepthMinus8;
|
|
av1_config->numFwdRefs = 1;
|
|
av1_config->numBwdRefs = 1;
|
|
av1_config->repeatSeqHdr = 1;
|
|
|
|
if (NV_FAILED(nv.nvEncInitializeEncoder(enc->session, &enc->params))) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool init_bitstreams(struct nvenc_data *enc)
|
|
{
|
|
da_reserve(enc->bitstreams, enc->buf_count);
|
|
for (int i = 0; i < enc->buf_count; i++) {
|
|
struct nv_bitstream bitstream;
|
|
if (!nv_bitstream_init(enc, &bitstream)) {
|
|
return false;
|
|
}
|
|
|
|
da_push_back(enc->bitstreams, &bitstream);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool init_textures(struct nvenc_data *enc)
|
|
{
|
|
da_reserve(enc->textures, enc->buf_count);
|
|
for (int i = 0; i < enc->buf_count; i++) {
|
|
struct nv_texture texture;
|
|
if (!nv_texture_init(enc, &texture)) {
|
|
return false;
|
|
}
|
|
|
|
da_push_back(enc->textures, &texture);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void nvenc_destroy(void *data);
|
|
|
|
static bool init_specific_encoder(struct nvenc_data *enc, obs_data_t *settings,
|
|
int bf, bool compatibility)
|
|
{
|
|
switch (enc->codec) {
|
|
case CODEC_HEVC:
|
|
return init_encoder_hevc(enc, settings, bf, compatibility);
|
|
case CODEC_H264:
|
|
return init_encoder_h264(enc, settings, bf, compatibility);
|
|
case CODEC_AV1:
|
|
return init_encoder_av1(enc, settings, bf, compatibility);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool init_encoder(struct nvenc_data *enc, enum codec_type codec,
|
|
obs_data_t *settings, obs_encoder_t *encoder)
|
|
{
|
|
int bf = (int)obs_data_get_int(settings, "bf");
|
|
const bool support_10bit =
|
|
nv_get_cap(enc, NV_ENC_CAPS_SUPPORT_10BIT_ENCODE);
|
|
const int bf_max = nv_get_cap(enc, NV_ENC_CAPS_NUM_MAX_BFRAMES);
|
|
|
|
if (obs_p010_tex_active() && !support_10bit) {
|
|
NV_FAIL(obs_module_text("NVENC.10bitUnsupported"));
|
|
return false;
|
|
}
|
|
|
|
video_t *video = obs_encoder_video(enc->encoder);
|
|
const struct video_output_info *voi = video_output_get_info(video);
|
|
switch (voi->format) {
|
|
case VIDEO_FORMAT_I010:
|
|
case VIDEO_FORMAT_P010:
|
|
break;
|
|
default:
|
|
switch (voi->colorspace) {
|
|
case VIDEO_CS_2100_PQ:
|
|
case VIDEO_CS_2100_HLG:
|
|
NV_FAIL(obs_module_text("NVENC.8bitUnsupportedHdr"));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (bf > bf_max) {
|
|
blog(LOG_WARNING,
|
|
"[obs-nvenc] Max B-frames setting (%d) is more than encoder supports (%d).\n"
|
|
"Setting B-frames to %d",
|
|
bf, bf_max, bf_max);
|
|
bf = bf_max;
|
|
}
|
|
|
|
if (!init_specific_encoder(enc, settings, bf, false)) {
|
|
blog(LOG_WARNING, "[obs-nvenc] init_specific_encoder failed, "
|
|
"trying again with compatibility options");
|
|
|
|
nv.nvEncDestroyEncoder(enc->session);
|
|
enc->session = NULL;
|
|
|
|
if (!init_session(enc)) {
|
|
return false;
|
|
}
|
|
/* try without multipass and psycho aq */
|
|
if (!init_specific_encoder(enc, settings, bf, true)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void *nvenc_create_internal(enum codec_type codec, obs_data_t *settings,
|
|
obs_encoder_t *encoder)
|
|
{
|
|
struct nvenc_data *enc = bzalloc(sizeof(*enc));
|
|
enc->encoder = encoder;
|
|
enc->codec = codec;
|
|
enc->first_packet = true;
|
|
|
|
NV_ENCODE_API_FUNCTION_LIST init = {NV_ENCODE_API_FUNCTION_LIST_VER};
|
|
|
|
switch (enc->codec) {
|
|
case CODEC_H264:
|
|
enc->codec_guid = NV_ENC_CODEC_H264_GUID;
|
|
break;
|
|
case CODEC_HEVC:
|
|
enc->codec_guid = NV_ENC_CODEC_HEVC_GUID;
|
|
break;
|
|
case CODEC_AV1:
|
|
enc->codec_guid = NV_ENC_CODEC_AV1_GUID;
|
|
break;
|
|
}
|
|
|
|
if (!init_nvenc(encoder)) {
|
|
goto fail;
|
|
}
|
|
if (NV_FAILED(nv_create_instance(&init))) {
|
|
goto fail;
|
|
}
|
|
if (!init_d3d11(enc, settings)) {
|
|
goto fail;
|
|
}
|
|
if (get_nvenc_ver() == COMPATIBILITY_VERSION) {
|
|
enc->needs_compat_ver = true;
|
|
}
|
|
if (!init_session(enc)) {
|
|
goto fail;
|
|
}
|
|
if (!init_encoder(enc, codec, settings, encoder)) {
|
|
goto fail;
|
|
}
|
|
if (!init_bitstreams(enc)) {
|
|
goto fail;
|
|
}
|
|
if (!init_textures(enc)) {
|
|
goto fail;
|
|
}
|
|
|
|
#ifdef ENABLE_HEVC
|
|
enc->codec = codec;
|
|
#endif
|
|
return enc;
|
|
|
|
fail:
|
|
nvenc_destroy(enc);
|
|
return NULL;
|
|
}
|
|
|
|
static void *nvenc_create_base(enum codec_type codec, obs_data_t *settings,
|
|
obs_encoder_t *encoder)
|
|
{
|
|
/* this encoder requires shared textures, this cannot be used on a
|
|
* gpu other than the one OBS is currently running on. */
|
|
const int gpu = (int)obs_data_get_int(settings, "gpu");
|
|
if (gpu != 0) {
|
|
blog(LOG_INFO,
|
|
"[obs-nvenc] different GPU selected by user, falling back to ffmpeg");
|
|
goto reroute;
|
|
}
|
|
|
|
if (obs_encoder_scaling_enabled(encoder)) {
|
|
if (!obs_encoder_gpu_scaling_enabled(encoder)) {
|
|
blog(LOG_INFO,
|
|
"[obs-nvenc] CPU scaling enabled, falling back to ffmpeg");
|
|
goto reroute;
|
|
}
|
|
blog(LOG_INFO, "[obs-nvenc] GPU scaling enabled");
|
|
}
|
|
|
|
if (!obs_p010_tex_active() && !obs_nv12_tex_active()) {
|
|
blog(LOG_INFO,
|
|
"[obs-nvenc] nv12/p010 not active, falling back to ffmpeg");
|
|
goto reroute;
|
|
}
|
|
|
|
struct nvenc_data *enc =
|
|
nvenc_create_internal(codec, settings, encoder);
|
|
|
|
if (enc) {
|
|
return enc;
|
|
}
|
|
|
|
reroute:
|
|
switch (codec) {
|
|
case CODEC_H264:
|
|
return obs_encoder_create_rerouted(encoder, "ffmpeg_nvenc");
|
|
case CODEC_HEVC:
|
|
return obs_encoder_create_rerouted(encoder,
|
|
"ffmpeg_hevc_nvenc");
|
|
case CODEC_AV1:
|
|
obs_encoder_set_last_error(
|
|
encoder,
|
|
obs_module_text("NVENC.NoAV1FallbackPossible"));
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void *h264_nvenc_create(obs_data_t *settings, obs_encoder_t *encoder)
|
|
{
|
|
return nvenc_create_base(CODEC_H264, settings, encoder);
|
|
}
|
|
|
|
#ifdef ENABLE_HEVC
|
|
static void *hevc_nvenc_create(obs_data_t *settings, obs_encoder_t *encoder)
|
|
{
|
|
return nvenc_create_base(CODEC_HEVC, settings, encoder);
|
|
}
|
|
#endif
|
|
|
|
static void *av1_nvenc_create(obs_data_t *settings, obs_encoder_t *encoder)
|
|
{
|
|
return nvenc_create_base(CODEC_AV1, settings, encoder);
|
|
}
|
|
|
|
static bool get_encoded_packet(struct nvenc_data *enc, bool finalize);
|
|
|
|
static void nvenc_destroy(void *data)
|
|
{
|
|
struct nvenc_data *enc = data;
|
|
|
|
if (enc->encode_started) {
|
|
uint32_t struct_ver = enc->needs_compat_ver
|
|
? NV_ENC_PIC_PARAMS_COMPAT_VER
|
|
: NV_ENC_PIC_PARAMS_VER;
|
|
NV_ENC_PIC_PARAMS params = {struct_ver};
|
|
params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
|
|
nv.nvEncEncodePicture(enc->session, ¶ms);
|
|
get_encoded_packet(enc, true);
|
|
}
|
|
for (size_t i = 0; i < enc->textures.num; i++) {
|
|
nv_texture_free(enc, &enc->textures.array[i]);
|
|
}
|
|
for (size_t i = 0; i < enc->bitstreams.num; i++) {
|
|
nv_bitstream_free(enc, &enc->bitstreams.array[i]);
|
|
}
|
|
if (enc->session) {
|
|
nv.nvEncDestroyEncoder(enc->session);
|
|
}
|
|
for (size_t i = 0; i < enc->input_textures.num; i++) {
|
|
ID3D11Texture2D *tex = enc->input_textures.array[i].tex;
|
|
IDXGIKeyedMutex *km = enc->input_textures.array[i].km;
|
|
tex->lpVtbl->Release(tex);
|
|
km->lpVtbl->Release(km);
|
|
}
|
|
if (enc->context) {
|
|
enc->context->lpVtbl->Release(enc->context);
|
|
}
|
|
if (enc->device) {
|
|
enc->device->lpVtbl->Release(enc->device);
|
|
}
|
|
|
|
bfree(enc->header);
|
|
bfree(enc->sei);
|
|
deque_free(&enc->dts_list);
|
|
da_free(enc->textures);
|
|
da_free(enc->bitstreams);
|
|
da_free(enc->input_textures);
|
|
da_free(enc->packet_data);
|
|
bfree(enc->roi_map);
|
|
bfree(enc);
|
|
}
|
|
|
|
static ID3D11Texture2D *get_tex_from_handle(struct nvenc_data *enc,
|
|
uint32_t handle,
|
|
IDXGIKeyedMutex **km_out)
|
|
{
|
|
ID3D11Device *device = enc->device;
|
|
IDXGIKeyedMutex *km;
|
|
ID3D11Texture2D *input_tex;
|
|
HRESULT hr;
|
|
|
|
for (size_t i = 0; i < enc->input_textures.num; i++) {
|
|
struct handle_tex *ht = &enc->input_textures.array[i];
|
|
if (ht->handle == handle) {
|
|
*km_out = ht->km;
|
|
return ht->tex;
|
|
}
|
|
}
|
|
|
|
hr = device->lpVtbl->OpenSharedResource(device,
|
|
(HANDLE)(uintptr_t)handle,
|
|
&IID_ID3D11Texture2D,
|
|
&input_tex);
|
|
if (FAILED(hr)) {
|
|
error_hr("OpenSharedResource failed");
|
|
return NULL;
|
|
}
|
|
|
|
hr = input_tex->lpVtbl->QueryInterface(input_tex, &IID_IDXGIKeyedMutex,
|
|
&km);
|
|
if (FAILED(hr)) {
|
|
error_hr("QueryInterface(IDXGIKeyedMutex) failed");
|
|
input_tex->lpVtbl->Release(input_tex);
|
|
return NULL;
|
|
}
|
|
|
|
input_tex->lpVtbl->SetEvictionPriority(input_tex,
|
|
DXGI_RESOURCE_PRIORITY_MAXIMUM);
|
|
|
|
*km_out = km;
|
|
|
|
struct handle_tex new_ht = {handle, input_tex, km};
|
|
da_push_back(enc->input_textures, &new_ht);
|
|
return input_tex;
|
|
}
|
|
|
|
static bool get_encoded_packet(struct nvenc_data *enc, bool finalize)
|
|
{
|
|
void *s = enc->session;
|
|
|
|
da_resize(enc->packet_data, 0);
|
|
|
|
if (!enc->buffers_queued)
|
|
return true;
|
|
if (!finalize && enc->buffers_queued < enc->output_delay)
|
|
return true;
|
|
|
|
size_t count = finalize ? enc->buffers_queued : 1;
|
|
|
|
for (size_t i = 0; i < count; i++) {
|
|
size_t cur_bs_idx = enc->cur_bitstream;
|
|
struct nv_bitstream *bs = &enc->bitstreams.array[cur_bs_idx];
|
|
struct nv_texture *nvtex = &enc->textures.array[cur_bs_idx];
|
|
|
|
/* ---------------- */
|
|
|
|
uint32_t struct_ver = enc->needs_compat_ver
|
|
? NV_ENC_LOCK_BITSTREAM_COMPAT_VER
|
|
: NV_ENC_LOCK_BITSTREAM_VER;
|
|
|
|
NV_ENC_LOCK_BITSTREAM lock = {struct_ver};
|
|
lock.outputBitstream = bs->ptr;
|
|
lock.doNotWait = false;
|
|
|
|
if (NV_FAILED(nv.nvEncLockBitstream(s, &lock))) {
|
|
return false;
|
|
}
|
|
|
|
if (enc->first_packet) {
|
|
NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = {0};
|
|
uint8_t buf[256];
|
|
uint32_t size = 0;
|
|
|
|
payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
|
|
payload.spsppsBuffer = buf;
|
|
payload.inBufferSize = sizeof(buf);
|
|
payload.outSPSPPSPayloadSize = &size;
|
|
|
|
nv.nvEncGetSequenceParams(s, &payload);
|
|
enc->header = bmemdup(buf, size);
|
|
enc->header_size = size;
|
|
enc->first_packet = false;
|
|
}
|
|
|
|
da_copy_array(enc->packet_data, lock.bitstreamBufferPtr,
|
|
lock.bitstreamSizeInBytes);
|
|
|
|
enc->packet_pts = (int64_t)lock.outputTimeStamp;
|
|
enc->packet_keyframe = lock.pictureType == NV_ENC_PIC_TYPE_IDR;
|
|
|
|
if (NV_FAILED(nv.nvEncUnlockBitstream(s, bs->ptr))) {
|
|
return false;
|
|
}
|
|
|
|
/* ---------------- */
|
|
|
|
if (nvtex->mapped_res) {
|
|
NVENCSTATUS err;
|
|
err = nv.nvEncUnmapInputResource(s, nvtex->mapped_res);
|
|
if (nv_failed(enc->encoder, err, __FUNCTION__,
|
|
"unmap")) {
|
|
return false;
|
|
}
|
|
nvtex->mapped_res = NULL;
|
|
}
|
|
|
|
/* ---------------- */
|
|
|
|
if (++enc->cur_bitstream == enc->buf_count)
|
|
enc->cur_bitstream = 0;
|
|
|
|
enc->buffers_queued--;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
struct roi_params {
|
|
uint32_t mb_width;
|
|
uint32_t mb_height;
|
|
uint32_t mb_size;
|
|
bool av1;
|
|
int8_t *map;
|
|
};
|
|
|
|
static void roi_cb(void *param, struct obs_encoder_roi *roi)
|
|
{
|
|
const struct roi_params *rp = param;
|
|
|
|
int8_t qp_val;
|
|
/* AV1 has a larger QP range than HEVC/H.264 */
|
|
if (rp->av1) {
|
|
qp_val = (int8_t)(-128.0f * roi->priority);
|
|
} else {
|
|
qp_val = (int8_t)(-51.0f * roi->priority);
|
|
}
|
|
|
|
const uint32_t roi_left = roi->left / rp->mb_size;
|
|
const uint32_t roi_top = roi->top / rp->mb_size;
|
|
const uint32_t roi_right = (roi->right - 1) / rp->mb_size;
|
|
const uint32_t roi_bottom = (roi->bottom - 1) / rp->mb_size;
|
|
|
|
for (uint32_t mb_y = 0; mb_y < rp->mb_height; mb_y++) {
|
|
if (mb_y < roi_top || mb_y > roi_bottom)
|
|
continue;
|
|
|
|
for (uint32_t mb_x = 0; mb_x < rp->mb_width; mb_x++) {
|
|
if (mb_x < roi_left || mb_x > roi_right)
|
|
continue;
|
|
|
|
rp->map[mb_y * rp->mb_width + mb_x] = qp_val;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void add_roi(struct nvenc_data *enc, NV_ENC_PIC_PARAMS *params)
|
|
{
|
|
const uint32_t increment = obs_encoder_get_roi_increment(enc->encoder);
|
|
|
|
if (enc->roi_map && enc->roi_increment == increment) {
|
|
params->qpDeltaMap = enc->roi_map;
|
|
params->qpDeltaMapSize = (uint32_t)enc->roi_map_size;
|
|
return;
|
|
}
|
|
|
|
uint32_t mb_size;
|
|
switch (enc->codec) {
|
|
case CODEC_H264:
|
|
/* H.264 is always 16x16 */
|
|
mb_size = 16;
|
|
break;
|
|
case CODEC_HEVC:
|
|
/* HEVC can be 16x16, 32x32, or 64x64, but NVENC is always 32x32 */
|
|
mb_size = 32;
|
|
break;
|
|
case CODEC_AV1:
|
|
/* AV1 can be 64x64 or 128x128, but NVENC is always 64x64 */
|
|
mb_size = 64;
|
|
break;
|
|
}
|
|
|
|
const uint32_t mb_width = (enc->cx + mb_size - 1) / mb_size;
|
|
const uint32_t mb_height = (enc->cy + mb_size - 1) / mb_size;
|
|
const size_t map_size = mb_width * mb_height * sizeof(int8_t);
|
|
|
|
if (map_size != enc->roi_map_size) {
|
|
enc->roi_map = brealloc(enc->roi_map, map_size);
|
|
enc->roi_map_size = map_size;
|
|
}
|
|
|
|
memset(enc->roi_map, 0, enc->roi_map_size);
|
|
|
|
struct roi_params par = {
|
|
.mb_width = mb_width,
|
|
.mb_height = mb_height,
|
|
.mb_size = mb_size,
|
|
.av1 = enc->codec == CODEC_AV1,
|
|
.map = enc->roi_map,
|
|
};
|
|
|
|
obs_encoder_enum_roi(enc->encoder, roi_cb, &par);
|
|
|
|
enc->roi_increment = increment;
|
|
params->qpDeltaMap = enc->roi_map;
|
|
params->qpDeltaMapSize = (uint32_t)map_size;
|
|
}
|
|
|
|
static bool nvenc_encode_tex(void *data, uint32_t handle, int64_t pts,
|
|
uint64_t lock_key, uint64_t *next_key,
|
|
struct encoder_packet *packet,
|
|
bool *received_packet)
|
|
{
|
|
struct nvenc_data *enc = data;
|
|
ID3D11Device *device = enc->device;
|
|
ID3D11DeviceContext *context = enc->context;
|
|
ID3D11Texture2D *input_tex;
|
|
ID3D11Texture2D *output_tex;
|
|
IDXGIKeyedMutex *km;
|
|
struct nv_texture *nvtex;
|
|
struct nv_bitstream *bs;
|
|
NVENCSTATUS err;
|
|
|
|
if (handle == GS_INVALID_HANDLE) {
|
|
error("Encode failed: bad texture handle");
|
|
*next_key = lock_key;
|
|
return false;
|
|
}
|
|
|
|
bs = &enc->bitstreams.array[enc->next_bitstream];
|
|
nvtex = &enc->textures.array[enc->next_bitstream];
|
|
|
|
input_tex = get_tex_from_handle(enc, handle, &km);
|
|
output_tex = nvtex->tex;
|
|
|
|
if (!input_tex) {
|
|
*next_key = lock_key;
|
|
return false;
|
|
}
|
|
|
|
deque_push_back(&enc->dts_list, &pts, sizeof(pts));
|
|
|
|
/* ------------------------------------ */
|
|
/* copy to output tex */
|
|
|
|
km->lpVtbl->AcquireSync(km, lock_key, INFINITE);
|
|
|
|
context->lpVtbl->CopyResource(context, (ID3D11Resource *)output_tex,
|
|
(ID3D11Resource *)input_tex);
|
|
|
|
km->lpVtbl->ReleaseSync(km, *next_key);
|
|
|
|
/* ------------------------------------ */
|
|
/* map output tex so nvenc can use it */
|
|
|
|
NV_ENC_MAP_INPUT_RESOURCE map = {NV_ENC_MAP_INPUT_RESOURCE_VER};
|
|
map.registeredResource = nvtex->res;
|
|
if (NV_FAILED(nv.nvEncMapInputResource(enc->session, &map))) {
|
|
return false;
|
|
}
|
|
|
|
nvtex->mapped_res = map.mappedResource;
|
|
|
|
/* ------------------------------------ */
|
|
/* do actual encode call */
|
|
|
|
NV_ENC_PIC_PARAMS params = {0};
|
|
params.version = enc->needs_compat_ver ? NV_ENC_PIC_PARAMS_COMPAT_VER
|
|
: NV_ENC_PIC_PARAMS_VER;
|
|
params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
|
|
params.inputBuffer = nvtex->mapped_res;
|
|
params.bufferFmt = obs_p010_tex_active()
|
|
? NV_ENC_BUFFER_FORMAT_YUV420_10BIT
|
|
: NV_ENC_BUFFER_FORMAT_NV12;
|
|
params.inputTimeStamp = (uint64_t)pts;
|
|
params.inputWidth = enc->cx;
|
|
params.inputHeight = enc->cy;
|
|
params.inputPitch = enc->cx;
|
|
params.outputBitstream = bs->ptr;
|
|
|
|
/* Add ROI map if enabled */
|
|
if (obs_encoder_has_roi(enc->encoder))
|
|
add_roi(enc, ¶ms);
|
|
|
|
err = nv.nvEncEncodePicture(enc->session, ¶ms);
|
|
if (err != NV_ENC_SUCCESS && err != NV_ENC_ERR_NEED_MORE_INPUT) {
|
|
nv_failed(enc->encoder, err, __FUNCTION__,
|
|
"nvEncEncodePicture");
|
|
return false;
|
|
}
|
|
|
|
enc->encode_started = true;
|
|
enc->buffers_queued++;
|
|
|
|
if (++enc->next_bitstream == enc->buf_count) {
|
|
enc->next_bitstream = 0;
|
|
}
|
|
|
|
/* ------------------------------------ */
|
|
/* check for encoded packet and parse */
|
|
|
|
if (!get_encoded_packet(enc, false)) {
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------ */
|
|
/* output encoded packet */
|
|
|
|
if (enc->packet_data.num) {
|
|
int64_t dts;
|
|
deque_pop_front(&enc->dts_list, &dts, sizeof(dts));
|
|
|
|
/* subtract bframe delay from dts */
|
|
dts -= (int64_t)enc->bframes * packet->timebase_num;
|
|
|
|
*received_packet = true;
|
|
packet->data = enc->packet_data.array;
|
|
packet->size = enc->packet_data.num;
|
|
packet->type = OBS_ENCODER_VIDEO;
|
|
packet->pts = enc->packet_pts;
|
|
packet->dts = dts;
|
|
packet->keyframe = enc->packet_keyframe;
|
|
} else {
|
|
*received_packet = false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
extern void h264_nvenc_defaults(obs_data_t *settings);
|
|
extern obs_properties_t *h264_nvenc_properties(void *unused);
|
|
#ifdef ENABLE_HEVC
|
|
extern void hevc_nvenc_defaults(obs_data_t *settings);
|
|
extern obs_properties_t *hevc_nvenc_properties(void *unused);
|
|
#endif
|
|
extern obs_properties_t *av1_nvenc_properties(void *unused);
|
|
extern void av1_nvenc_defaults(obs_data_t *settings);
|
|
|
|
static bool nvenc_extra_data(void *data, uint8_t **header, size_t *size)
|
|
{
|
|
struct nvenc_data *enc = data;
|
|
|
|
if (!enc->header) {
|
|
return false;
|
|
}
|
|
|
|
*header = enc->header;
|
|
*size = enc->header_size;
|
|
return true;
|
|
}
|
|
|
|
static bool nvenc_sei_data(void *data, uint8_t **sei, size_t *size)
|
|
{
|
|
struct nvenc_data *enc = data;
|
|
|
|
if (!enc->sei) {
|
|
return false;
|
|
}
|
|
|
|
*sei = enc->sei;
|
|
*size = enc->sei_size;
|
|
return true;
|
|
}
|
|
|
|
struct obs_encoder_info h264_nvenc_info = {
|
|
.id = "jim_nvenc",
|
|
.codec = "h264",
|
|
.type = OBS_ENCODER_VIDEO,
|
|
.caps = OBS_ENCODER_CAP_PASS_TEXTURE | OBS_ENCODER_CAP_DYN_BITRATE |
|
|
OBS_ENCODER_CAP_ROI,
|
|
.get_name = h264_nvenc_get_name,
|
|
.create = h264_nvenc_create,
|
|
.destroy = nvenc_destroy,
|
|
.update = nvenc_update,
|
|
.encode_texture = nvenc_encode_tex,
|
|
.get_defaults = h264_nvenc_defaults,
|
|
.get_properties = h264_nvenc_properties,
|
|
.get_extra_data = nvenc_extra_data,
|
|
.get_sei_data = nvenc_sei_data,
|
|
};
|
|
|
|
#ifdef ENABLE_HEVC
|
|
struct obs_encoder_info hevc_nvenc_info = {
|
|
.id = "jim_hevc_nvenc",
|
|
.codec = "hevc",
|
|
.type = OBS_ENCODER_VIDEO,
|
|
.caps = OBS_ENCODER_CAP_PASS_TEXTURE | OBS_ENCODER_CAP_DYN_BITRATE |
|
|
OBS_ENCODER_CAP_ROI,
|
|
.get_name = hevc_nvenc_get_name,
|
|
.create = hevc_nvenc_create,
|
|
.destroy = nvenc_destroy,
|
|
.update = nvenc_update,
|
|
.encode_texture = nvenc_encode_tex,
|
|
.get_defaults = hevc_nvenc_defaults,
|
|
.get_properties = hevc_nvenc_properties,
|
|
.get_extra_data = nvenc_extra_data,
|
|
.get_sei_data = nvenc_sei_data,
|
|
};
|
|
#endif
|
|
|
|
struct obs_encoder_info av1_nvenc_info = {
|
|
.id = "jim_av1_nvenc",
|
|
.codec = "av1",
|
|
.type = OBS_ENCODER_VIDEO,
|
|
.caps = OBS_ENCODER_CAP_PASS_TEXTURE | OBS_ENCODER_CAP_DYN_BITRATE |
|
|
OBS_ENCODER_CAP_ROI,
|
|
.get_name = av1_nvenc_get_name,
|
|
.create = av1_nvenc_create,
|
|
.destroy = nvenc_destroy,
|
|
.update = nvenc_update,
|
|
.encode_texture = nvenc_encode_tex,
|
|
.get_defaults = av1_nvenc_defaults,
|
|
.get_properties = av1_nvenc_properties,
|
|
.get_extra_data = nvenc_extra_data,
|
|
};
|