diff options
Diffstat (limited to 'libavcodec/nvenc.c')
-rw-r--r-- | libavcodec/nvenc.c | 1360 |
1 files changed, 827 insertions, 533 deletions
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index 54f030b..984dd3b 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -1,62 +1,57 @@ /* - * NVIDIA NVENC Support - * Copyright (C) 2015 Luca Barbato + * H.264 hardware encoding using nvidia nvenc + * Copyright (c) 2014 Timo Rothenpieler <timo@rothenpieler.org> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" -#include <cuda.h> -#include <nvEncodeAPI.h> -#include <string.h> - -#define CUDA_LIBNAME "libcuda.so" - -#if HAVE_DLFCN_H -#include <dlfcn.h> - -#define NVENC_LIBNAME "libnvidia-encode.so" - -#elif HAVE_WINDOWS_H +#if defined(_WIN32) #include <windows.h> +#define CUDA_LIBNAME TEXT("nvcuda.dll") #if ARCH_X86_64 -#define NVENC_LIBNAME "nvEncodeAPI64.dll" +#define NVENC_LIBNAME TEXT("nvEncodeAPI64.dll") #else -#define NVENC_LIBNAME "nvEncodeAPI.dll" +#define NVENC_LIBNAME TEXT("nvEncodeAPI.dll") #endif #define dlopen(filename, flags) LoadLibrary((filename)) #define dlsym(handle, symbol) GetProcAddress(handle, symbol) #define dlclose(handle) FreeLibrary(handle) +#else +#include <dlfcn.h> + +#define CUDA_LIBNAME "libcuda.so" +#define NVENC_LIBNAME "libnvidia-encode.so" #endif -#include "libavutil/common.h" #include "libavutil/hwcontext.h" -#include "libavutil/hwcontext_cuda.h" #include "libavutil/imgutils.h" +#include "libavutil/avassert.h" #include "libavutil/mem.h" -#include "avcodec.h" #include "internal.h" #include "nvenc.h" #define NVENC_CAP 0x30 -#define BITSTREAM_BUFFER_SIZE 1024 * 1024 +#define IS_CBR(rc) (rc == NV_ENC_PARAMS_RC_CBR || \ + rc == NV_ENC_PARAMS_RC_2_PASS_QUALITY || \ + rc == NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP) #define LOAD_LIBRARY(l, path) \ do { \ @@ -79,10 +74,12 @@ } while (0) const enum AVPixelFormat ff_nvenc_pix_fmts[] = { - AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P, + AV_PIX_FMT_NV12, AV_PIX_FMT_YUV444P, +#if CONFIG_CUDA AV_PIX_FMT_CUDA, +#endif AV_PIX_FMT_NONE }; @@ -135,7 +132,7 @@ static int nvenc_map_error(NVENCSTATUS err, const char **desc) } static int nvenc_print_error(void *log_ctx, NVENCSTATUS err, - const char *error_string) + const char *error_string) { const char *desc; int ret; @@ -146,64 +143,66 @@ static int nvenc_print_error(void *log_ctx, NVENCSTATUS err, static av_cold int nvenc_load_libraries(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NVENCLibraryContext *nvel = &ctx->nvel; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; PNVENCODEAPICREATEINSTANCE nvenc_create_instance; NVENCSTATUS err; #if CONFIG_CUDA - nvel->cu_init = cuInit; - nvel->cu_device_get_count = cuDeviceGetCount; - nvel->cu_device_get = cuDeviceGet; - nvel->cu_device_get_name = cuDeviceGetName; - nvel->cu_device_compute_capability = cuDeviceComputeCapability; - nvel->cu_ctx_create = cuCtxCreate_v2; - nvel->cu_ctx_pop_current = cuCtxPopCurrent_v2; - nvel->cu_ctx_destroy = cuCtxDestroy_v2; + dl_fn->cu_init = cuInit; + dl_fn->cu_device_get_count = cuDeviceGetCount; + dl_fn->cu_device_get = cuDeviceGet; + dl_fn->cu_device_get_name = cuDeviceGetName; + dl_fn->cu_device_compute_capability = cuDeviceComputeCapability; + dl_fn->cu_ctx_create = cuCtxCreate_v2; + dl_fn->cu_ctx_pop_current = cuCtxPopCurrent_v2; + dl_fn->cu_ctx_destroy = cuCtxDestroy_v2; #else - LOAD_LIBRARY(nvel->cuda, CUDA_LIBNAME); + LOAD_LIBRARY(dl_fn->cuda, CUDA_LIBNAME); - LOAD_SYMBOL(nvel->cu_init, nvel->cuda, "cuInit"); - LOAD_SYMBOL(nvel->cu_device_get_count, nvel->cuda, "cuDeviceGetCount"); - LOAD_SYMBOL(nvel->cu_device_get, nvel->cuda, "cuDeviceGet"); - LOAD_SYMBOL(nvel->cu_device_get_name, nvel->cuda, "cuDeviceGetName"); - LOAD_SYMBOL(nvel->cu_device_compute_capability, nvel->cuda, + LOAD_SYMBOL(dl_fn->cu_init, dl_fn->cuda, "cuInit"); + LOAD_SYMBOL(dl_fn->cu_device_get_count, dl_fn->cuda, "cuDeviceGetCount"); + LOAD_SYMBOL(dl_fn->cu_device_get, dl_fn->cuda, "cuDeviceGet"); + LOAD_SYMBOL(dl_fn->cu_device_get_name, dl_fn->cuda, "cuDeviceGetName"); + LOAD_SYMBOL(dl_fn->cu_device_compute_capability, dl_fn->cuda, "cuDeviceComputeCapability"); - LOAD_SYMBOL(nvel->cu_ctx_create, nvel->cuda, "cuCtxCreate_v2"); - LOAD_SYMBOL(nvel->cu_ctx_pop_current, nvel->cuda, "cuCtxPopCurrent_v2"); - LOAD_SYMBOL(nvel->cu_ctx_destroy, nvel->cuda, "cuCtxDestroy_v2"); + LOAD_SYMBOL(dl_fn->cu_ctx_create, dl_fn->cuda, "cuCtxCreate_v2"); + LOAD_SYMBOL(dl_fn->cu_ctx_pop_current, dl_fn->cuda, "cuCtxPopCurrent_v2"); + LOAD_SYMBOL(dl_fn->cu_ctx_destroy, dl_fn->cuda, "cuCtxDestroy_v2"); #endif - LOAD_LIBRARY(nvel->nvenc, NVENC_LIBNAME); + LOAD_LIBRARY(dl_fn->nvenc, NVENC_LIBNAME); - LOAD_SYMBOL(nvenc_create_instance, nvel->nvenc, + LOAD_SYMBOL(nvenc_create_instance, dl_fn->nvenc, "NvEncodeAPICreateInstance"); - nvel->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER; + dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER; - err = nvenc_create_instance(&nvel->nvenc_funcs); + err = nvenc_create_instance(&dl_fn->nvenc_funcs); if (err != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, err, "Cannot create the NVENC instance"); + return nvenc_print_error(avctx, err, "Failed to create nvenc instance"); + + av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n"); return 0; } -static int nvenc_open_session(AVCodecContext *avctx) +static av_cold int nvenc_open_session(AVCodecContext *avctx) { NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params = { 0 }; - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; - int ret; + NvencContext *ctx = avctx->priv_data; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs; + NVENCSTATUS ret; params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER; params.apiVersion = NVENCAPI_VERSION; params.device = ctx->cu_context; params.deviceType = NV_ENC_DEVICE_TYPE_CUDA; - ret = nv->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvenc_ctx); + ret = p_nvenc->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvencoder); if (ret != NV_ENC_SUCCESS) { - ctx->nvenc_ctx = NULL; - return nvenc_print_error(avctx, ret, "Cannot open the NVENC Session"); + ctx->nvencoder = NULL; + return nvenc_print_error(avctx, ret, "OpenEncodeSessionEx failed"); } return 0; @@ -211,12 +210,12 @@ static int nvenc_open_session(AVCodecContext *avctx) static int nvenc_check_codec_support(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; + NvencContext *ctx = avctx->priv_data; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs; int i, ret, count = 0; GUID *guids = NULL; - ret = nv->nvEncGetEncodeGUIDCount(ctx->nvenc_ctx, &count); + ret = p_nvenc->nvEncGetEncodeGUIDCount(ctx->nvencoder, &count); if (ret != NV_ENC_SUCCESS || !count) return AVERROR(ENOSYS); @@ -225,7 +224,7 @@ static int nvenc_check_codec_support(AVCodecContext *avctx) if (!guids) return AVERROR(ENOMEM); - ret = nv->nvEncGetEncodeGUIDs(ctx->nvenc_ctx, guids, count, &count); + ret = p_nvenc->nvEncGetEncodeGUIDs(ctx->nvencoder, guids, count, &count); if (ret != NV_ENC_SUCCESS) { ret = AVERROR(ENOSYS); goto fail; @@ -233,7 +232,7 @@ static int nvenc_check_codec_support(AVCodecContext *avctx) ret = AVERROR(ENOSYS); for (i = 0; i < count; i++) { - if (!memcmp(&guids[i], &ctx->params.encodeGUID, sizeof(*guids))) { + if (!memcmp(&guids[i], &ctx->init_encode_params.encodeGUID, sizeof(*guids))) { ret = 0; break; } @@ -247,15 +246,15 @@ fail: static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; + NvencContext *ctx = avctx->priv_data; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs; NV_ENC_CAPS_PARAM params = { 0 }; int ret, val = 0; params.version = NV_ENC_CAPS_PARAM_VER; params.capsToQuery = cap; - ret = nv->nvEncGetEncodeCaps(ctx->nvenc_ctx, ctx->params.encodeGUID, ¶ms, &val); + ret = p_nvenc->nvEncGetEncodeCaps(ctx->nvencoder, ctx->init_encode_params.encodeGUID, ¶ms, &val); if (ret == NV_ENC_SUCCESS) return val; @@ -264,7 +263,7 @@ static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap) static int nvenc_check_capabilities(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; + NvencContext *ctx = avctx->priv_data; int ret; ret = nvenc_check_codec_support(avctx); @@ -279,6 +278,12 @@ static int nvenc_check_capabilities(AVCodecContext *avctx) return AVERROR(ENOSYS); } + ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_LOSSLESS_ENCODE); + if (ctx->preset >= PRESET_LOSSLESS_DEFAULT && ret <= 0) { + av_log(avctx, AV_LOG_VERBOSE, "Lossless encoding not supported\n"); + return AVERROR(ENOSYS); + } + ret = nvenc_check_cap(avctx, NV_ENC_CAPS_WIDTH_MAX); if (ret < avctx->width) { av_log(avctx, AV_LOG_VERBOSE, "Width %d exceeds %d\n", @@ -301,15 +306,25 @@ static int nvenc_check_capabilities(AVCodecContext *avctx) return AVERROR(ENOSYS); } + ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_FIELD_ENCODING); + if (ret < 1 && avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) { + av_log(avctx, AV_LOG_VERBOSE, + "Interlaced encoding is not supported. Supported level: %d\n", + ret); + return AVERROR(ENOSYS); + } + return 0; } -static int nvenc_check_device(AVCodecContext *avctx, int idx) +static av_cold int nvenc_check_device(AVCodecContext *avctx, int idx) { - NVENCContext *ctx = avctx->priv_data; - NVENCLibraryContext *nvel = &ctx->nvel; - char name[128] = { 0 }; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; + char name[128] = { 0}; int major, minor, ret; + CUresult cu_res; CUdevice cu_device; CUcontext dummy; int loglevel = AV_LOG_VERBOSE; @@ -317,36 +332,41 @@ static int nvenc_check_device(AVCodecContext *avctx, int idx) if (ctx->device == LIST_DEVICES) loglevel = AV_LOG_INFO; - ret = nvel->cu_device_get(&cu_device, idx); - if (ret != CUDA_SUCCESS) { + cu_res = dl_fn->cu_device_get(&cu_device, idx); + if (cu_res != CUDA_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Cannot access the CUDA device %d\n", idx); return -1; } - ret = nvel->cu_device_get_name(name, sizeof(name), cu_device); - if (ret != CUDA_SUCCESS) + cu_res = dl_fn->cu_device_get_name(name, sizeof(name), cu_device); + if (cu_res != CUDA_SUCCESS) return -1; - ret = nvel->cu_device_compute_capability(&major, &minor, cu_device); - if (ret != CUDA_SUCCESS) + cu_res = dl_fn->cu_device_compute_capability(&major, &minor, cu_device); + if (cu_res != CUDA_SUCCESS) return -1; - av_log(avctx, loglevel, "Device %d [%s] ", cu_device, name); - - if (((major << 4) | minor) < NVENC_CAP) + av_log(avctx, loglevel, "[ GPU #%d - < %s > has Compute SM %d.%d ]\n", idx, name, major, minor); + if (((major << 4) | minor) < NVENC_CAP) { + av_log(avctx, loglevel, "does not support NVENC\n"); goto fail; + } - ret = nvel->cu_ctx_create(&ctx->cu_context_internal, 0, cu_device); - if (ret != CUDA_SUCCESS) + cu_res = dl_fn->cu_ctx_create(&ctx->cu_context_internal, 0, cu_device); + if (cu_res != CUDA_SUCCESS) { + av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res); goto fail; + } ctx->cu_context = ctx->cu_context_internal; - ret = nvel->cu_ctx_pop_current(&dummy); - if (ret != CUDA_SUCCESS) + cu_res = dl_fn->cu_ctx_pop_current(&dummy); + if (cu_res != CUDA_SUCCESS) { + av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res); goto fail2; + } if ((ret = nvenc_open_session(avctx)) < 0) goto fail2; @@ -356,42 +376,41 @@ static int nvenc_check_device(AVCodecContext *avctx, int idx) av_log(avctx, loglevel, "supports NVENC\n"); - if (ctx->device == cu_device || ctx->device == ANY_DEVICE) + dl_fn->nvenc_device_count++; + + if (ctx->device == dl_fn->nvenc_device_count - 1 || ctx->device == ANY_DEVICE) return 0; fail3: - nvel->nvenc_funcs.nvEncDestroyEncoder(ctx->nvenc_ctx); - ctx->nvenc_ctx = NULL; + p_nvenc->nvEncDestroyEncoder(ctx->nvencoder); + ctx->nvencoder = NULL; fail2: - nvel->cu_ctx_destroy(ctx->cu_context_internal); + dl_fn->cu_ctx_destroy(ctx->cu_context_internal); ctx->cu_context_internal = NULL; fail: - if (ret != 0) - av_log(avctx, loglevel, "does not support NVENC (major %d minor %d)\n", - major, minor); - return AVERROR(ENOSYS); } -static int nvenc_setup_device(AVCodecContext *avctx) +static av_cold int nvenc_setup_device(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NVENCLibraryContext *nvel = &ctx->nvel; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; switch (avctx->codec->id) { case AV_CODEC_ID_H264: - ctx->params.encodeGUID = NV_ENC_CODEC_H264_GUID; + ctx->init_encode_params.encodeGUID = NV_ENC_CODEC_H264_GUID; break; case AV_CODEC_ID_HEVC: - ctx->params.encodeGUID = NV_ENC_CODEC_HEVC_GUID; + ctx->init_encode_params.encodeGUID = NV_ENC_CODEC_HEVC_GUID; break; default: return AVERROR_BUG; } if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { +#if CONFIG_CUDA AVHWFramesContext *frames_ctx; AVCUDADeviceContext *device_hwctx; int ret; @@ -409,24 +428,36 @@ static int nvenc_setup_device(AVCodecContext *avctx) return ret; ret = nvenc_check_capabilities(avctx); - if (ret < 0) + if (ret < 0) { + av_log(avctx, AV_LOG_FATAL, "Provided device doesn't support required NVENC features\n"); return ret; + } +#else + return AVERROR_BUG; +#endif } else { int i, nb_devices = 0; - if ((nvel->cu_init(0)) != CUDA_SUCCESS) { + if ((dl_fn->cu_init(0)) != CUDA_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Cannot init CUDA\n"); return AVERROR_UNKNOWN; } - if ((nvel->cu_device_get_count(&nb_devices)) != CUDA_SUCCESS) { + if ((dl_fn->cu_device_get_count(&nb_devices)) != CUDA_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Cannot enumerate the CUDA devices\n"); return AVERROR_UNKNOWN; } + if (!nb_devices) { + av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n"); + return AVERROR_EXTERNAL; + } + + av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", nb_devices); + dl_fn->nvenc_device_count = 0; for (i = 0; i < nb_devices; ++i) { if ((nvenc_check_device(avctx, i)) >= 0 && ctx->device != LIST_DEVICES) return 0; @@ -435,7 +466,13 @@ static int nvenc_setup_device(AVCodecContext *avctx) if (ctx->device == LIST_DEVICES) return AVERROR_EXIT; - return AVERROR(ENOSYS); + if (!dl_fn->nvenc_device_count) { + av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n"); + return AVERROR_EXTERNAL; + } + + av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->device, dl_fn->nvenc_device_count); + return AVERROR(EINVAL); } return 0; @@ -446,68 +483,116 @@ typedef struct GUIDTuple { int flags; } GUIDTuple; -static int nvec_map_preset(NVENCContext *ctx) +static void nvenc_map_preset(NvencContext *ctx) { GUIDTuple presets[] = { { NV_ENC_PRESET_DEFAULT_GUID }, + { NV_ENC_PRESET_HQ_GUID, NVENC_TWO_PASSES }, /* slow */ + { NV_ENC_PRESET_HQ_GUID, NVENC_ONE_PASS }, /* medium */ + { NV_ENC_PRESET_HP_GUID, NVENC_ONE_PASS }, /* fast */ { NV_ENC_PRESET_HP_GUID }, { NV_ENC_PRESET_HQ_GUID }, { NV_ENC_PRESET_BD_GUID }, { NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID, NVENC_LOWLATENCY }, - { NV_ENC_PRESET_LOW_LATENCY_HP_GUID, NVENC_LOWLATENCY }, { NV_ENC_PRESET_LOW_LATENCY_HQ_GUID, NVENC_LOWLATENCY }, + { NV_ENC_PRESET_LOW_LATENCY_HP_GUID, NVENC_LOWLATENCY }, { NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID, NVENC_LOSSLESS }, { NV_ENC_PRESET_LOSSLESS_HP_GUID, NVENC_LOSSLESS }, - { { 0 } } }; GUIDTuple *t = &presets[ctx->preset]; - ctx->params.presetGUID = t->guid; - ctx->flags = t->flags; - - return AVERROR(EINVAL); + ctx->init_encode_params.presetGUID = t->guid; + ctx->flags = t->flags; } -static void set_constqp(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc) +static av_cold void set_constqp(AVCodecContext *avctx) { + NvencContext *ctx = avctx->priv_data; + NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams; + rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP; rc->constQP.qpInterB = avctx->global_quality; rc->constQP.qpInterP = avctx->global_quality; - rc->constQP.qpIntra = avctx->global_quality; + rc->constQP.qpIntra = avctx->global_quality; + + avctx->qmin = -1; + avctx->qmax = -1; } -static void set_vbr(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc) +static av_cold void set_vbr(AVCodecContext *avctx) { - if (avctx->qmin >= 0) { - rc->enableMinQP = 1; + NvencContext *ctx = avctx->priv_data; + NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams; + int qp_inter_p; + + if (avctx->qmin >= 0 && avctx->qmax >= 0) { + rc->enableMinQP = 1; + rc->enableMaxQP = 1; + rc->minQP.qpInterB = avctx->qmin; rc->minQP.qpInterP = avctx->qmin; - rc->minQP.qpIntra = avctx->qmin; - } + rc->minQP.qpIntra = avctx->qmin; - if (avctx->qmax >= 0) { - rc->enableMaxQP = 1; rc->maxQP.qpInterB = avctx->qmax; rc->maxQP.qpInterP = avctx->qmax; - rc->maxQP.qpIntra = avctx->qmax; + rc->maxQP.qpIntra = avctx->qmax; + + qp_inter_p = (avctx->qmax + 3 * avctx->qmin) / 4; // biased towards Qmin + } else if (avctx->qmin >= 0) { + rc->enableMinQP = 1; + + rc->minQP.qpInterB = avctx->qmin; + rc->minQP.qpInterP = avctx->qmin; + rc->minQP.qpIntra = avctx->qmin; + + qp_inter_p = avctx->qmin; + } else { + qp_inter_p = 26; // default to 26 + } + + rc->enableInitialRCQP = 1; + rc->initialRCQP.qpInterP = qp_inter_p; + + if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) { + rc->initialRCQP.qpIntra = av_clip( + qp_inter_p * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51); + rc->initialRCQP.qpInterB = av_clip( + qp_inter_p * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51); + } else { + rc->initialRCQP.qpIntra = qp_inter_p; + rc->initialRCQP.qpInterB = qp_inter_p; } } -static void nvenc_override_rate_control(AVCodecContext *avctx, - NV_ENC_RC_PARAMS *rc) +static av_cold void set_lossless(AVCodecContext *avctx) +{ + NvencContext *ctx = avctx->priv_data; + NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams; + + rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP; + rc->constQP.qpInterB = 0; + rc->constQP.qpInterP = 0; + rc->constQP.qpIntra = 0; + + avctx->qmin = -1; + avctx->qmax = -1; +} + +static void nvenc_override_rate_control(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; + NvencContext *ctx = avctx->priv_data; + NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams; switch (ctx->rc) { case NV_ENC_PARAMS_RC_CONSTQP: - if (avctx->global_quality < 0) { + if (avctx->global_quality <= 0) { av_log(avctx, AV_LOG_WARNING, "The constant quality rate-control requires " "the 'global_quality' option set.\n"); return; } - set_constqp(avctx, rc); + set_constqp(avctx); return; case NV_ENC_PARAMS_RC_2_PASS_VBR: case NV_ENC_PARAMS_RC_VBR: @@ -515,6 +600,7 @@ static void nvenc_override_rate_control(AVCodecContext *avctx, av_log(avctx, AV_LOG_WARNING, "The variable bitrate rate-control requires " "the 'qmin' and/or 'qmax' option set.\n"); + set_vbr(avctx); return; } case NV_ENC_PARAMS_RC_VBR_MINQP: @@ -522,415 +608,555 @@ static void nvenc_override_rate_control(AVCodecContext *avctx, av_log(avctx, AV_LOG_WARNING, "The variable bitrate rate-control requires " "the 'qmin' option set.\n"); + set_vbr(avctx); return; } - set_vbr(avctx, rc); + set_vbr(avctx); break; case NV_ENC_PARAMS_RC_CBR: - break; case NV_ENC_PARAMS_RC_2_PASS_QUALITY: case NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP: - if (!(ctx->flags & NVENC_LOWLATENCY)) { - av_log(avctx, AV_LOG_WARNING, - "The multipass rate-control requires " - "a low-latency preset.\n"); - return; - } + break; } rc->rateControlMode = ctx->rc; } -static void nvenc_setup_rate_control(AVCodecContext *avctx) +static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENC_RC_PARAMS *rc = &ctx->config.rcParams; + NvencContext *ctx = avctx->priv_data; - if (avctx->bit_rate > 0) - rc->averageBitRate = avctx->bit_rate; + if (avctx->bit_rate > 0) { + ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate; + } else if (ctx->encode_config.rcParams.averageBitRate > 0) { + ctx->encode_config.rcParams.maxBitRate = ctx->encode_config.rcParams.averageBitRate; + } if (avctx->rc_max_rate > 0) - rc->maxBitRate = avctx->rc_max_rate; - - if (ctx->rc > 0) { - nvenc_override_rate_control(avctx, rc); - } else if (avctx->global_quality > 0) { - set_constqp(avctx, rc); - } else if (avctx->qmin >= 0 && avctx->qmax >= 0) { - rc->rateControlMode = NV_ENC_PARAMS_RC_VBR; - set_vbr(avctx, rc); + ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate; + + if (ctx->rc < 0) { + if (ctx->flags & NVENC_ONE_PASS) + ctx->twopass = 0; + if (ctx->flags & NVENC_TWO_PASSES) + ctx->twopass = 1; + + if (ctx->twopass < 0) + ctx->twopass = (ctx->flags & NVENC_LOWLATENCY) != 0; + + if (ctx->cbr) { + if (ctx->twopass) { + ctx->rc = NV_ENC_PARAMS_RC_2_PASS_QUALITY; + } else { + ctx->rc = NV_ENC_PARAMS_RC_CBR; + } + } else if (avctx->global_quality > 0) { + ctx->rc = NV_ENC_PARAMS_RC_CONSTQP; + } else if (ctx->twopass) { + ctx->rc = NV_ENC_PARAMS_RC_2_PASS_VBR; + } else if (avctx->qmin >= 0 && avctx->qmax >= 0) { + ctx->rc = NV_ENC_PARAMS_RC_VBR_MINQP; + } } - if (avctx->rc_buffer_size > 0) - rc->vbvBufferSize = avctx->rc_buffer_size; + if (ctx->flags & NVENC_LOSSLESS) { + set_lossless(avctx); + } else if (ctx->rc >= 0) { + nvenc_override_rate_control(avctx); + } else { + ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR; + set_vbr(avctx); + } - if (rc->averageBitRate > 0) - avctx->bit_rate = rc->averageBitRate; + if (avctx->rc_buffer_size > 0) { + ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size; + } else if (ctx->encode_config.rcParams.averageBitRate > 0) { + ctx->encode_config.rcParams.vbvBufferSize = 2 * ctx->encode_config.rcParams.averageBitRate; + } } -static int nvenc_setup_h264_config(AVCodecContext *avctx) +static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENC_CONFIG *cc = &ctx->config; + NvencContext *ctx = avctx->priv_data; + NV_ENC_CONFIG *cc = &ctx->encode_config; NV_ENC_CONFIG_H264 *h264 = &cc->encodeCodecConfig.h264Config; NV_ENC_CONFIG_H264_VUI_PARAMETERS *vui = &h264->h264VUIParameters; - vui->colourDescriptionPresentFlag = 1; - vui->videoSignalTypePresentFlag = 1; - - vui->colourMatrix = avctx->colorspace; - vui->colourPrimaries = avctx->color_primaries; + vui->colourMatrix = avctx->colorspace; + vui->colourPrimaries = avctx->color_primaries; vui->transferCharacteristics = avctx->color_trc; + vui->videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG + || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ420P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ422P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ444P); + + vui->colourDescriptionPresentFlag = + (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2); - vui->videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG; + vui->videoSignalTypePresentFlag = + (vui->colourDescriptionPresentFlag + || vui->videoFormat != 5 + || vui->videoFullRangeFlag != 0); + + h264->sliceMode = 3; + h264->sliceModeData = 1; h264->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0; h264->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1; + h264->outputAUD = 1; - h264->maxNumRefFrames = avctx->refs; - h264->idrPeriod = cc->gopLength; + if (avctx->refs >= 0) { + /* 0 means "let the hardware decide" */ + h264->maxNumRefFrames = avctx->refs; + } + if (avctx->gop_size >= 0) { + h264->idrPeriod = cc->gopLength; + } - if (ctx->profile) - avctx->profile = ctx->profile; + if (IS_CBR(cc->rcParams.rateControlMode)) { + h264->outputBufferingPeriodSEI = 1; + h264->outputPictureTimingSEI = 1; + } - if (ctx->data_pix_fmt == AV_PIX_FMT_YUV444P) - h264->chromaFormatIDC = 3; - else - h264->chromaFormatIDC = 1; + if (cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_2_PASS_QUALITY || + cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP || + cc->rcParams.rateControlMode == NV_ENC_PARAMS_RC_2_PASS_VBR) { + h264->adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE; + h264->fmoMode = NV_ENC_H264_FMO_DISABLE; + } - switch (ctx->profile) { - case NV_ENC_H264_PROFILE_BASELINE: - cc->profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID; - break; - case NV_ENC_H264_PROFILE_MAIN: - cc->profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID; - break; - case NV_ENC_H264_PROFILE_HIGH: - cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID; - break; - case NV_ENC_H264_PROFILE_HIGH_444: + if (ctx->flags & NVENC_LOSSLESS) { + h264->qpPrimeYZeroTransformBypassFlag = 1; + } else { + switch(ctx->profile) { + case NV_ENC_H264_PROFILE_BASELINE: + cc->profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID; + avctx->profile = FF_PROFILE_H264_BASELINE; + break; + case NV_ENC_H264_PROFILE_MAIN: + cc->profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID; + avctx->profile = FF_PROFILE_H264_MAIN; + break; + case NV_ENC_H264_PROFILE_HIGH: + cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID; + avctx->profile = FF_PROFILE_H264_HIGH; + break; + case NV_ENC_H264_PROFILE_HIGH_444P: + cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID; + avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE; + break; + } + } + + // force setting profile as high444p if input is AV_PIX_FMT_YUV444P + if (ctx->data_pix_fmt == AV_PIX_FMT_YUV444P) { cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID; - break; - case NV_ENC_H264_PROFILE_CONSTRAINED_HIGH: - cc->profileGUID = NV_ENC_H264_PROFILE_CONSTRAINED_HIGH_GUID; - break; + avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE; } + h264->chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1; + h264->level = ctx->level; return 0; } -static int nvenc_setup_hevc_config(AVCodecContext *avctx) +static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENC_CONFIG *cc = &ctx->config; + NvencContext *ctx = avctx->priv_data; + NV_ENC_CONFIG *cc = &ctx->encode_config; NV_ENC_CONFIG_HEVC *hevc = &cc->encodeCodecConfig.hevcConfig; + NV_ENC_CONFIG_HEVC_VUI_PARAMETERS *vui = &hevc->hevcVUIParameters; + + vui->colourMatrix = avctx->colorspace; + vui->colourPrimaries = avctx->color_primaries; + vui->transferCharacteristics = avctx->color_trc; + vui->videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG + || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ420P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ422P || ctx->data_pix_fmt == AV_PIX_FMT_YUVJ444P); + + vui->colourDescriptionPresentFlag = + (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2); + + vui->videoSignalTypePresentFlag = + (vui->colourDescriptionPresentFlag + || vui->videoFormat != 5 + || vui->videoFullRangeFlag != 0); + + hevc->sliceMode = 3; + hevc->sliceModeData = 1; hevc->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0; hevc->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1; + hevc->outputAUD = 1; - hevc->maxNumRefFramesInDPB = avctx->refs; - hevc->idrPeriod = cc->gopLength; + if (avctx->refs >= 0) { + /* 0 means "let the hardware decide" */ + hevc->maxNumRefFramesInDPB = avctx->refs; + } + if (avctx->gop_size >= 0) { + hevc->idrPeriod = cc->gopLength; + } + + if (IS_CBR(cc->rcParams.rateControlMode)) { + hevc->outputBufferingPeriodSEI = 1; + hevc->outputPictureTimingSEI = 1; + } /* No other profile is supported in the current SDK version 5 */ cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID; - avctx->profile = FF_PROFILE_HEVC_MAIN; + avctx->profile = FF_PROFILE_HEVC_MAIN; - if (ctx->level) { - hevc->level = ctx->level; - } else { - hevc->level = NV_ENC_LEVEL_AUTOSELECT; - } + hevc->level = ctx->level; - if (ctx->tier) { - hevc->tier = ctx->tier; - } + hevc->tier = ctx->tier; return 0; } -static int nvenc_setup_codec_config(AVCodecContext *avctx) + +static av_cold int nvenc_setup_codec_config(AVCodecContext *avctx) { switch (avctx->codec->id) { case AV_CODEC_ID_H264: return nvenc_setup_h264_config(avctx); case AV_CODEC_ID_HEVC: return nvenc_setup_hevc_config(avctx); + /* Earlier switch/case will return if unknown codec is passed. */ } + return 0; } -static int nvenc_setup_encoder(AVCodecContext *avctx) +static av_cold int nvenc_setup_encoder(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; - NV_ENC_PRESET_CONFIG preset_cfg = { 0 }; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; + + NV_ENC_PRESET_CONFIG preset_config = { 0 }; + NVENCSTATUS nv_status = NV_ENC_SUCCESS; AVCPBProperties *cpb_props; - int ret; + int res = 0; + int dw, dh; - ctx->params.version = NV_ENC_INITIALIZE_PARAMS_VER; + ctx->encode_config.version = NV_ENC_CONFIG_VER; + ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER; - ctx->params.encodeHeight = avctx->height; - ctx->params.encodeWidth = avctx->width; + ctx->init_encode_params.encodeHeight = avctx->height; + ctx->init_encode_params.encodeWidth = avctx->width; - if (avctx->sample_aspect_ratio.num && - avctx->sample_aspect_ratio.den && - (avctx->sample_aspect_ratio.num != 1 || - avctx->sample_aspect_ratio.den != 1)) { - av_reduce(&ctx->params.darWidth, - &ctx->params.darHeight, - avctx->width * avctx->sample_aspect_ratio.num, - avctx->height * avctx->sample_aspect_ratio.den, - INT_MAX / 8); - } else { - ctx->params.darHeight = avctx->height; - ctx->params.darWidth = avctx->width; - } + ctx->init_encode_params.encodeConfig = &ctx->encode_config; + + nvenc_map_preset(ctx); - ctx->params.frameRateNum = avctx->time_base.den; - ctx->params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame; + preset_config.version = NV_ENC_PRESET_CONFIG_VER; + preset_config.presetCfg.version = NV_ENC_CONFIG_VER; - ctx->params.enableEncodeAsync = 0; - ctx->params.enablePTD = 1; + nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, + ctx->init_encode_params.encodeGUID, + ctx->init_encode_params.presetGUID, + &preset_config); + if (nv_status != NV_ENC_SUCCESS) + return nvenc_print_error(avctx, nv_status, "Cannot get the preset configuration"); - ctx->params.encodeConfig = &ctx->config; + memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config)); - nvec_map_preset(ctx); + ctx->encode_config.version = NV_ENC_CONFIG_VER; - preset_cfg.version = NV_ENC_PRESET_CONFIG_VER; - preset_cfg.presetCfg.version = NV_ENC_CONFIG_VER; + if (avctx->sample_aspect_ratio.num && avctx->sample_aspect_ratio.den && + (avctx->sample_aspect_ratio.num != 1 || avctx->sample_aspect_ratio.num != 1)) { + av_reduce(&dw, &dh, + avctx->width * avctx->sample_aspect_ratio.num, + avctx->height * avctx->sample_aspect_ratio.den, + 1024 * 1024); + ctx->init_encode_params.darHeight = dh; + ctx->init_encode_params.darWidth = dw; + } else { + ctx->init_encode_params.darHeight = avctx->height; + ctx->init_encode_params.darWidth = avctx->width; + } - ret = nv->nvEncGetEncodePresetConfig(ctx->nvenc_ctx, - ctx->params.encodeGUID, - ctx->params.presetGUID, - &preset_cfg); - if (ret != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, ret, "Cannot get the preset configuration"); + // De-compensate for hardware, dubiously, trying to compensate for + // playback at 704 pixel width. + if (avctx->width == 720 && + (avctx->height == 480 || avctx->height == 576)) { + av_reduce(&dw, &dh, + ctx->init_encode_params.darWidth * 44, + ctx->init_encode_params.darHeight * 45, + 1024 * 1024); + ctx->init_encode_params.darHeight = dh; + ctx->init_encode_params.darWidth = dw; + } - memcpy(&ctx->config, &preset_cfg.presetCfg, sizeof(ctx->config)); + ctx->init_encode_params.frameRateNum = avctx->time_base.den; + ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame; - ctx->config.version = NV_ENC_CONFIG_VER; + ctx->init_encode_params.enableEncodeAsync = 0; + ctx->init_encode_params.enablePTD = 1; if (avctx->gop_size > 0) { - if (avctx->max_b_frames > 0) { - /* 0 is intra-only, - * 1 is I/P only, - * 2 is one B-Frame, - * 3 two B-frames, and so on. */ - ctx->config.frameIntervalP = avctx->max_b_frames + 1; - } else if (avctx->max_b_frames == 0) { - ctx->config.frameIntervalP = 1; + if (avctx->max_b_frames >= 0) { + /* 0 is intra-only, 1 is I/P only, 2 is one B-Frame, 3 two B-frames, and so on. */ + ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1; } - ctx->config.gopLength = avctx->gop_size; + + ctx->encode_config.gopLength = avctx->gop_size; } else if (avctx->gop_size == 0) { - ctx->config.frameIntervalP = 0; - ctx->config.gopLength = 1; + ctx->encode_config.frameIntervalP = 0; + ctx->encode_config.gopLength = 1; } - if (ctx->config.frameIntervalP > 1) - avctx->max_b_frames = ctx->config.frameIntervalP - 1; - ctx->initial_pts[0] = AV_NOPTS_VALUE; ctx->initial_pts[1] = AV_NOPTS_VALUE; nvenc_setup_rate_control(avctx); if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) { - ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD; + ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD; } else { - ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME; + ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME; } - if ((ret = nvenc_setup_codec_config(avctx)) < 0) - return ret; + res = nvenc_setup_codec_config(avctx); + if (res) + return res; - ret = nv->nvEncInitializeEncoder(ctx->nvenc_ctx, &ctx->params); - if (ret != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, ret, "Cannot initialize the decoder"); + nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params); + if (nv_status != NV_ENC_SUCCESS) { + return nvenc_print_error(avctx, nv_status, "InitializeEncoder failed"); + } + + if (ctx->encode_config.frameIntervalP > 1) + avctx->has_b_frames = 2; + + if (ctx->encode_config.rcParams.averageBitRate > 0) + avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate; cpb_props = ff_add_cpb_side_data(avctx); if (!cpb_props) return AVERROR(ENOMEM); - cpb_props->max_bitrate = avctx->rc_max_rate; - cpb_props->min_bitrate = avctx->rc_min_rate; + cpb_props->max_bitrate = ctx->encode_config.rcParams.maxBitRate; cpb_props->avg_bitrate = avctx->bit_rate; - cpb_props->buffer_size = avctx->rc_buffer_size; + cpb_props->buffer_size = ctx->encode_config.rcParams.vbvBufferSize; return 0; } -static int nvenc_alloc_surface(AVCodecContext *avctx, int idx) +static av_cold 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_BITSTREAM_BUFFER out_buffer = { 0 }; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; + + NVENCSTATUS nv_status; + NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 }; + allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER; switch (ctx->data_pix_fmt) { case AV_PIX_FMT_YUV420P: - ctx->frames[idx].format = NV_ENC_BUFFER_FORMAT_YV12_PL; + ctx->surfaces[idx].format = NV_ENC_BUFFER_FORMAT_YV12_PL; break; + case AV_PIX_FMT_NV12: - ctx->frames[idx].format = NV_ENC_BUFFER_FORMAT_NV12_PL; + ctx->surfaces[idx].format = NV_ENC_BUFFER_FORMAT_NV12_PL; break; + case AV_PIX_FMT_YUV444P: - ctx->frames[idx].format = NV_ENC_BUFFER_FORMAT_YUV444_PL; + ctx->surfaces[idx].format = NV_ENC_BUFFER_FORMAT_YUV444_PL; break; + default: - return AVERROR_BUG; + av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n"); + return AVERROR(EINVAL); } if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { - ctx->frames[idx].in_ref = av_frame_alloc(); - if (!ctx->frames[idx].in_ref) + ctx->surfaces[idx].in_ref = av_frame_alloc(); + if (!ctx->surfaces[idx].in_ref) return AVERROR(ENOMEM); } else { - NV_ENC_CREATE_INPUT_BUFFER in_buffer = { 0 }; - - in_buffer.version = NV_ENC_CREATE_INPUT_BUFFER_VER; - - in_buffer.width = avctx->width; - in_buffer.height = avctx->height; - - in_buffer.bufferFmt = ctx->frames[idx].format; - in_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED; - - ret = nv->nvEncCreateInputBuffer(ctx->nvenc_ctx, &in_buffer); - if (ret != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, ret, "CreateInputBuffer failed"); + NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 }; + allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER; + allocSurf.width = (avctx->width + 31) & ~31; + allocSurf.height = (avctx->height + 31) & ~31; + allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED; + allocSurf.bufferFmt = ctx->surfaces[idx].format; + + nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf); + if (nv_status != NV_ENC_SUCCESS) { + return nvenc_print_error(avctx, nv_status, "CreateInputBuffer failed"); + } - ctx->frames[idx].in = in_buffer.inputBuffer; + ctx->surfaces[idx].input_surface = allocSurf.inputBuffer; + ctx->surfaces[idx].width = allocSurf.width; + ctx->surfaces[idx].height = allocSurf.height; } - out_buffer.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER; - /* 1MB is large enough to hold most output frames. - * NVENC increases this automatically if it is not enough. */ - out_buffer.size = BITSTREAM_BUFFER_SIZE; - - out_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED; + ctx->surfaces[idx].lockCount = 0; - ret = nv->nvEncCreateBitstreamBuffer(ctx->nvenc_ctx, &out_buffer); - if (ret != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, ret, "CreateBitstreamBuffer failed"); + /* 1MB is large enough to hold most output frames. + * NVENC increases this automaticaly if it is not enough. */ + allocOut.size = 1024 * 1024; + + allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED; + + nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut); + if (nv_status != NV_ENC_SUCCESS) { + int err = nvenc_print_error(avctx, nv_status, "CreateBitstreamBuffer failed"); + if (avctx->pix_fmt != AV_PIX_FMT_CUDA) + p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->surfaces[idx].input_surface); + av_frame_free(&ctx->surfaces[idx].in_ref); + return err; + } - ctx->frames[idx].out = out_buffer.bitstreamBuffer; + ctx->surfaces[idx].output_surface = allocOut.bitstreamBuffer; + ctx->surfaces[idx].size = allocOut.size; return 0; } -static int nvenc_setup_surfaces(AVCodecContext *avctx) +static av_cold int nvenc_setup_surfaces(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - int i, ret; - - ctx->nb_surfaces = FFMAX(4 + avctx->max_b_frames, + NvencContext *ctx = avctx->priv_data; + int i, res; + int num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4); + ctx->nb_surfaces = FFMAX((num_mbs >= 8160) ? 32 : 48, ctx->nb_surfaces); + ctx->async_depth = FFMIN(ctx->async_depth, ctx->nb_surfaces - 1); - ctx->frames = av_mallocz_array(ctx->nb_surfaces, sizeof(*ctx->frames)); - if (!ctx->frames) + + ctx->surfaces = av_mallocz_array(ctx->nb_surfaces, sizeof(*ctx->surfaces)); + if (!ctx->surfaces) return AVERROR(ENOMEM); - ctx->timestamps = av_fifo_alloc(ctx->nb_surfaces * sizeof(int64_t)); - if (!ctx->timestamps) + ctx->timestamp_list = av_fifo_alloc(ctx->nb_surfaces * sizeof(int64_t)); + if (!ctx->timestamp_list) return AVERROR(ENOMEM); - ctx->pending = av_fifo_alloc(ctx->nb_surfaces * sizeof(*ctx->frames)); - if (!ctx->pending) + ctx->output_surface_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(NvencSurface*)); + if (!ctx->output_surface_queue) return AVERROR(ENOMEM); - ctx->ready = av_fifo_alloc(ctx->nb_surfaces * sizeof(*ctx->frames)); - if (!ctx->ready) + ctx->output_surface_ready_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(NvencSurface*)); + if (!ctx->output_surface_ready_queue) return AVERROR(ENOMEM); for (i = 0; i < ctx->nb_surfaces; i++) { - if ((ret = nvenc_alloc_surface(avctx, i)) < 0) - return ret; + if ((res = nvenc_alloc_surface(avctx, i)) < 0) + return res; } return 0; } -#define EXTRADATA_SIZE 512 - -static int nvenc_setup_extradata(AVCodecContext *avctx) +static av_cold int nvenc_setup_extradata(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; + + NVENCSTATUS nv_status; + uint32_t outSize = 0; + char tmpHeader[256]; NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 }; - int ret; + payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER; - avctx->extradata = av_mallocz(EXTRADATA_SIZE + AV_INPUT_BUFFER_PADDING_SIZE); - if (!avctx->extradata) - return AVERROR(ENOMEM); + payload.spsppsBuffer = tmpHeader; + payload.inBufferSize = sizeof(tmpHeader); + payload.outSPSPPSPayloadSize = &outSize; - payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER; - payload.spsppsBuffer = avctx->extradata; - payload.inBufferSize = EXTRADATA_SIZE; - payload.outSPSPPSPayloadSize = &avctx->extradata_size; + nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload); + if (nv_status != NV_ENC_SUCCESS) { + return nvenc_print_error(avctx, nv_status, "GetSequenceParams failed"); + } + + avctx->extradata_size = outSize; + avctx->extradata = av_mallocz(outSize + AV_INPUT_BUFFER_PADDING_SIZE); + + if (!avctx->extradata) { + return AVERROR(ENOMEM); + } - ret = nv->nvEncGetSequenceParams(ctx->nvenc_ctx, &payload); - if (ret != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, ret, "Cannot get the extradata"); + memcpy(avctx->extradata, tmpHeader, outSize); return 0; } av_cold int ff_nvenc_encode_close(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; int i; /* the encoder has to be flushed before it can be closed */ - if (ctx->nvenc_ctx) { + if (ctx->nvencoder) { NV_ENC_PIC_PARAMS params = { .version = NV_ENC_PIC_PARAMS_VER, .encodePicFlags = NV_ENC_PIC_FLAG_EOS }; - nv->nvEncEncodePicture(ctx->nvenc_ctx, ¶ms); + p_nvenc->nvEncEncodePicture(ctx->nvencoder, ¶ms); } - av_fifo_free(ctx->timestamps); - av_fifo_free(ctx->pending); - av_fifo_free(ctx->ready); + av_fifo_freep(&ctx->timestamp_list); + av_fifo_freep(&ctx->output_surface_ready_queue); + av_fifo_freep(&ctx->output_surface_queue); - if (ctx->frames) { + if (ctx->surfaces && avctx->pix_fmt == AV_PIX_FMT_CUDA) { for (i = 0; i < ctx->nb_surfaces; ++i) { - if (avctx->pix_fmt != AV_PIX_FMT_CUDA) { - nv->nvEncDestroyInputBuffer(ctx->nvenc_ctx, ctx->frames[i].in); - } else if (ctx->frames[i].in) { - nv->nvEncUnmapInputResource(ctx->nvenc_ctx, ctx->frames[i].in_map.mappedResource); + if (ctx->surfaces[i].input_surface) { + p_nvenc->nvEncUnmapInputResource(ctx->nvencoder, ctx->surfaces[i].in_map.mappedResource); } - - av_frame_free(&ctx->frames[i].in_ref); - nv->nvEncDestroyBitstreamBuffer(ctx->nvenc_ctx, ctx->frames[i].out); } + for (i = 0; i < ctx->nb_registered_frames; i++) { + if (ctx->registered_frames[i].regptr) + p_nvenc->nvEncUnregisterResource(ctx->nvencoder, ctx->registered_frames[i].regptr); + } + ctx->nb_registered_frames = 0; } - for (i = 0; i < ctx->nb_registered_frames; i++) { - if (ctx->registered_frames[i].regptr) - nv->nvEncUnregisterResource(ctx->nvenc_ctx, ctx->registered_frames[i].regptr); - } - ctx->nb_registered_frames = 0; - av_freep(&ctx->frames); + if (ctx->surfaces) { + for (i = 0; i < ctx->nb_surfaces; ++i) { + if (avctx->pix_fmt != AV_PIX_FMT_CUDA) + p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->surfaces[i].input_surface); + av_frame_free(&ctx->surfaces[i].in_ref); + p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->surfaces[i].output_surface); + } + } + av_freep(&ctx->surfaces); + ctx->nb_surfaces = 0; - if (ctx->nvenc_ctx) - nv->nvEncDestroyEncoder(ctx->nvenc_ctx); + if (ctx->nvencoder) + p_nvenc->nvEncDestroyEncoder(ctx->nvencoder); + ctx->nvencoder = NULL; if (ctx->cu_context_internal) - ctx->nvel.cu_ctx_destroy(ctx->cu_context_internal); + dl_fn->cu_ctx_destroy(ctx->cu_context_internal); + ctx->cu_context = ctx->cu_context_internal = NULL; + + if (dl_fn->nvenc) + dlclose(dl_fn->nvenc); + dl_fn->nvenc = NULL; - if (ctx->nvel.nvenc) - dlclose(ctx->nvel.nvenc); + dl_fn->nvenc_device_count = 0; #if !CONFIG_CUDA - if (ctx->nvel.cuda) - dlclose(ctx->nvel.cuda); + if (dl_fn->cuda) + dlclose(dl_fn->cuda); + dl_fn->cuda = NULL; #endif + dl_fn->cu_init = NULL; + dl_fn->cu_device_get_count = NULL; + dl_fn->cu_device_get = NULL; + dl_fn->cu_device_get_name = NULL; + dl_fn->cu_device_compute_capability = NULL; + dl_fn->cu_ctx_create = NULL; + dl_fn->cu_ctx_pop_current = NULL; + dl_fn->cu_ctx_destroy = NULL; + + av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n"); + return 0; } av_cold int ff_nvenc_encode_init(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; + NvencContext *ctx = avctx->priv_data; int ret; if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { @@ -966,69 +1192,71 @@ av_cold int ff_nvenc_encode_init(AVCodecContext *avctx) return 0; } -static NVENCFrame *get_free_frame(NVENCContext *ctx) +static NvencSurface *get_free_frame(NvencContext *ctx) { int i; - for (i = 0; i < ctx->nb_surfaces; i++) { - if (!ctx->frames[i].locked) { - ctx->frames[i].locked = 1; - return &ctx->frames[i]; + for (i = 0; i < ctx->nb_surfaces; ++i) { + if (!ctx->surfaces[i].lockCount) { + ctx->surfaces[i].lockCount = 1; + return &ctx->surfaces[i]; } } return NULL; } -static int nvenc_copy_frame(NV_ENC_LOCK_INPUT_BUFFER *in, const AVFrame *frame) +static int nvenc_copy_frame(AVCodecContext *avctx, NvencSurface *inSurf, + NV_ENC_LOCK_INPUT_BUFFER *lockBufferParams, const AVFrame *frame) { - uint8_t *buf = in->bufferDataPtr; - int off = frame->height * in->pitch; + uint8_t *buf = lockBufferParams->bufferDataPtr; + int off = inSurf->height * lockBufferParams->pitch; + + if (frame->format == AV_PIX_FMT_YUV420P) { + av_image_copy_plane(buf, lockBufferParams->pitch, + frame->data[0], frame->linesize[0], + avctx->width, avctx->height); - switch (frame->format) { - case AV_PIX_FMT_YUV420P: - av_image_copy_plane(buf, in->pitch, - frame->data[0], frame->linesize[0], - frame->width, frame->height); buf += off; - av_image_copy_plane(buf, in->pitch >> 1, - frame->data[2], frame->linesize[2], - frame->width >> 1, frame->height >> 1); + av_image_copy_plane(buf, lockBufferParams->pitch >> 1, + frame->data[2], frame->linesize[2], + avctx->width >> 1, avctx->height >> 1); buf += off >> 2; - av_image_copy_plane(buf, in->pitch >> 1, - frame->data[1], frame->linesize[1], - frame->width >> 1, frame->height >> 1); - break; - case AV_PIX_FMT_NV12: - av_image_copy_plane(buf, in->pitch, - frame->data[0], frame->linesize[0], - frame->width, frame->height); + av_image_copy_plane(buf, lockBufferParams->pitch >> 1, + frame->data[1], frame->linesize[1], + avctx->width >> 1, avctx->height >> 1); + } else if (frame->format == AV_PIX_FMT_NV12) { + av_image_copy_plane(buf, lockBufferParams->pitch, + frame->data[0], frame->linesize[0], + avctx->width, avctx->height); + buf += off; - av_image_copy_plane(buf, in->pitch, - frame->data[1], frame->linesize[1], - frame->width, frame->height >> 1); - break; - case AV_PIX_FMT_YUV444P: - av_image_copy_plane(buf, in->pitch, - frame->data[0], frame->linesize[0], - frame->width, frame->height); + av_image_copy_plane(buf, lockBufferParams->pitch, + frame->data[1], frame->linesize[1], + avctx->width, avctx->height >> 1); + } else if (frame->format == AV_PIX_FMT_YUV444P) { + av_image_copy_plane(buf, lockBufferParams->pitch, + frame->data[0], frame->linesize[0], + avctx->width, avctx->height); + buf += off; - av_image_copy_plane(buf, in->pitch, - frame->data[1], frame->linesize[1], - frame->width, frame->height); + av_image_copy_plane(buf, lockBufferParams->pitch, + frame->data[1], frame->linesize[1], + avctx->width, avctx->height); + buf += off; - av_image_copy_plane(buf, in->pitch, - frame->data[2], frame->linesize[2], - frame->width, frame->height); - break; - default: - return AVERROR_BUG; + av_image_copy_plane(buf, lockBufferParams->pitch, + frame->data[2], frame->linesize[2], + avctx->width, avctx->height); + } else { + av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n"); + return AVERROR(EINVAL); } return 0; @@ -1036,15 +1264,17 @@ static int nvenc_copy_frame(NV_ENC_LOCK_INPUT_BUFFER *in, const AVFrame *frame) static int nvenc_find_free_reg_resource(AVCodecContext *avctx) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; + int i; if (ctx->nb_registered_frames == FF_ARRAY_ELEMS(ctx->registered_frames)) { for (i = 0; i < ctx->nb_registered_frames; i++) { if (!ctx->registered_frames[i].mapped) { if (ctx->registered_frames[i].regptr) { - nv->nvEncUnregisterResource(ctx->nvenc_ctx, + p_nvenc->nvEncUnregisterResource(ctx->nvencoder, ctx->registered_frames[i].regptr); ctx->registered_frames[i].regptr = NULL; } @@ -1061,9 +1291,11 @@ static int nvenc_find_free_reg_resource(AVCodecContext *avctx) static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; - AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; + + AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; NV_ENC_REGISTER_RESOURCE reg; int i, idx, ret; @@ -1080,11 +1312,11 @@ static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame) reg.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_CUDADEVICEPTR; reg.width = frames_ctx->width; reg.height = frames_ctx->height; - reg.bufferFormat = ctx->frames[0].format; + reg.bufferFormat = ctx->surfaces[0].format; reg.pitch = frame->linesize[0]; reg.resourceToRegister = frame->data[0]; - ret = nv->nvEncRegisterResource(ctx->nvenc_ctx, ®); + ret = p_nvenc->nvEncRegisterResource(ctx->nvencoder, ®); if (ret != NV_ENC_SUCCESS) { nvenc_print_error(avctx, ret, "Error registering an input resource"); return AVERROR_UNKNOWN; @@ -1096,101 +1328,102 @@ static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame) } static int nvenc_upload_frame(AVCodecContext *avctx, const AVFrame *frame, - NVENCFrame *nvenc_frame) + NvencSurface *nvenc_frame) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; - int ret; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; - if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { - int reg_idx; + int res; + NVENCSTATUS nv_status; - ret = nvenc_register_frame(avctx, frame); - if (ret < 0) { + if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { + int reg_idx = nvenc_register_frame(avctx, frame); + if (reg_idx < 0) { av_log(avctx, AV_LOG_ERROR, "Could not register an input CUDA frame\n"); - return ret; + return reg_idx; } - reg_idx = ret; - ret = av_frame_ref(nvenc_frame->in_ref, frame); - if (ret < 0) - return ret; + res = av_frame_ref(nvenc_frame->in_ref, frame); + if (res < 0) + return res; - nvenc_frame->in_map.version = NV_ENC_MAP_INPUT_RESOURCE_VER; + nvenc_frame->in_map.version = NV_ENC_MAP_INPUT_RESOURCE_VER; nvenc_frame->in_map.registeredResource = ctx->registered_frames[reg_idx].regptr; - - ret = nv->nvEncMapInputResource(ctx->nvenc_ctx, &nvenc_frame->in_map); - if (ret != NV_ENC_SUCCESS) { + nv_status = p_nvenc->nvEncMapInputResource(ctx->nvencoder, &nvenc_frame->in_map); + if (nv_status != NV_ENC_SUCCESS) { av_frame_unref(nvenc_frame->in_ref); - return nvenc_print_error(avctx, ret, "Error mapping an input resource"); + return nvenc_print_error(avctx, nv_status, "Error mapping an input resource"); } ctx->registered_frames[reg_idx].mapped = 1; nvenc_frame->reg_idx = reg_idx; - nvenc_frame->in = nvenc_frame->in_map.mappedResource; + nvenc_frame->input_surface = nvenc_frame->in_map.mappedResource; + return 0; } else { - NV_ENC_LOCK_INPUT_BUFFER params = { 0 }; + NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 }; - params.version = NV_ENC_LOCK_INPUT_BUFFER_VER; - params.inputBuffer = nvenc_frame->in; + lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER; + lockBufferParams.inputBuffer = nvenc_frame->input_surface; - ret = nv->nvEncLockInputBuffer(ctx->nvenc_ctx, ¶ms); - if (ret != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, ret, "Cannot lock the buffer"); + nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams); + if (nv_status != NV_ENC_SUCCESS) { + return nvenc_print_error(avctx, nv_status, "Failed locking nvenc input buffer"); + } - ret = nvenc_copy_frame(¶ms, frame); - if (ret < 0) { - nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, nvenc_frame->in); - return ret; + res = nvenc_copy_frame(avctx, nvenc_frame, &lockBufferParams, frame); + + nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, nvenc_frame->input_surface); + if (nv_status != NV_ENC_SUCCESS) { + return nvenc_print_error(avctx, nv_status, "Failed unlocking input buffer!"); } - ret = nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, nvenc_frame->in); - if (ret != NV_ENC_SUCCESS) - return nvenc_print_error(avctx, ret, "Cannot unlock the buffer"); + return res; } - - return 0; } static void nvenc_codec_specific_pic_params(AVCodecContext *avctx, NV_ENC_PIC_PARAMS *params) { - NVENCContext *ctx = avctx->priv_data; + NvencContext *ctx = avctx->priv_data; switch (avctx->codec->id) { case AV_CODEC_ID_H264: params->codecPicParams.h264PicParams.sliceMode = - ctx->config.encodeCodecConfig.h264Config.sliceMode; + ctx->encode_config.encodeCodecConfig.h264Config.sliceMode; params->codecPicParams.h264PicParams.sliceModeData = - ctx->config.encodeCodecConfig.h264Config.sliceModeData; - break; + ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData; + break; case AV_CODEC_ID_HEVC: params->codecPicParams.hevcPicParams.sliceMode = - ctx->config.encodeCodecConfig.hevcConfig.sliceMode; + ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode; params->codecPicParams.hevcPicParams.sliceModeData = - ctx->config.encodeCodecConfig.hevcConfig.sliceModeData; + ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData; break; } } -static inline int nvenc_enqueue_timestamp(AVFifoBuffer *f, int64_t pts) +static inline void timestamp_queue_enqueue(AVFifoBuffer* queue, int64_t timestamp) { - return av_fifo_generic_write(f, &pts, sizeof(pts), NULL); + av_fifo_generic_write(queue, ×tamp, sizeof(timestamp), NULL); } -static inline int nvenc_dequeue_timestamp(AVFifoBuffer *f, int64_t *pts) +static inline int64_t timestamp_queue_dequeue(AVFifoBuffer* queue) { - return av_fifo_generic_read(f, pts, sizeof(*pts), NULL); + int64_t timestamp = AV_NOPTS_VALUE; + if (av_fifo_size(queue) > 0) + av_fifo_generic_read(queue, ×tamp, sizeof(timestamp), NULL); + + return timestamp; } static int nvenc_set_timestamp(AVCodecContext *avctx, NV_ENC_LOCK_BITSTREAM *params, AVPacket *pkt) { - NVENCContext *ctx = avctx->priv_data; + NvencContext *ctx = avctx->priv_data; - pkt->pts = params->outputTimeStamp; - pkt->duration = params->outputDuration; + pkt->pts = params->outputTimeStamp; /* generate the first dts by linearly extrapolating the * first two pts values to the past */ @@ -1212,164 +1445,225 @@ static int nvenc_set_timestamp(AVCodecContext *avctx, ctx->first_packet_output = 1; return 0; } - return nvenc_dequeue_timestamp(ctx->timestamps, &pkt->dts); + + pkt->dts = timestamp_queue_dequeue(ctx->timestamp_list); + + return 0; } -static int nvenc_get_output(AVCodecContext *avctx, AVPacket *pkt) +static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSurface *tmpoutsurf) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; - NV_ENC_LOCK_BITSTREAM params = { 0 }; - NVENCFrame *frame; - int ret; + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; - ret = av_fifo_generic_read(ctx->ready, &frame, sizeof(frame), NULL); - if (ret) - return ret; + uint32_t slice_mode_data; + uint32_t *slice_offsets; + NV_ENC_LOCK_BITSTREAM lock_params = { 0 }; + NVENCSTATUS nv_status; + int res = 0; - params.version = NV_ENC_LOCK_BITSTREAM_VER; - params.outputBitstream = frame->out; + enum AVPictureType pict_type; - ret = nv->nvEncLockBitstream(ctx->nvenc_ctx, ¶ms); - if (ret < 0) - return nvenc_print_error(avctx, ret, "Cannot lock the bitstream"); + switch (avctx->codec->id) { + case AV_CODEC_ID_H264: + slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData; + break; + case AV_CODEC_ID_H265: + slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData; + break; + default: + av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n"); + res = AVERROR(EINVAL); + goto error; + } + slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets)); - ret = ff_alloc_packet(pkt, params.bitstreamSizeInBytes); - if (ret < 0) - return ret; + if (!slice_offsets) + goto error; - memcpy(pkt->data, params.bitstreamBufferPtr, pkt->size); + lock_params.version = NV_ENC_LOCK_BITSTREAM_VER; - ret = nv->nvEncUnlockBitstream(ctx->nvenc_ctx, frame->out); - if (ret < 0) - return nvenc_print_error(avctx, ret, "Cannot unlock the bitstream"); + lock_params.doNotWait = 0; + lock_params.outputBitstream = tmpoutsurf->output_surface; + lock_params.sliceOffsets = slice_offsets; - if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { - nv->nvEncUnmapInputResource(ctx->nvenc_ctx, frame->in_map.mappedResource); - av_frame_unref(frame->in_ref); - ctx->registered_frames[frame->reg_idx].mapped = 0; + nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params); + if (nv_status != NV_ENC_SUCCESS) { + res = nvenc_print_error(avctx, nv_status, "Failed locking bitstream buffer"); + goto error; + } - frame->in = NULL; + if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes,0)) { + p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface); + goto error; } - frame->locked = 0; + memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes); - ret = nvenc_set_timestamp(avctx, ¶ms, pkt); - if (ret < 0) - return ret; + nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface); + if (nv_status != NV_ENC_SUCCESS) + nvenc_print_error(avctx, nv_status, "Failed unlocking bitstream buffer, expect the gates of mordor to open"); + + + if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { + p_nvenc->nvEncUnmapInputResource(ctx->nvencoder, tmpoutsurf->in_map.mappedResource); + av_frame_unref(tmpoutsurf->in_ref); + ctx->registered_frames[tmpoutsurf->reg_idx].mapped = 0; - switch (params.pictureType) { + tmpoutsurf->input_surface = NULL; + } + + switch (lock_params.pictureType) { case NV_ENC_PIC_TYPE_IDR: pkt->flags |= AV_PKT_FLAG_KEY; -#if FF_API_CODED_FRAME -FF_DISABLE_DEPRECATION_WARNINGS - case NV_ENC_PIC_TYPE_INTRA_REFRESH: case NV_ENC_PIC_TYPE_I: - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; + pict_type = AV_PICTURE_TYPE_I; break; case NV_ENC_PIC_TYPE_P: - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P; + pict_type = AV_PICTURE_TYPE_P; break; case NV_ENC_PIC_TYPE_B: - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B; + pict_type = AV_PICTURE_TYPE_B; break; case NV_ENC_PIC_TYPE_BI: - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_BI; + pict_type = AV_PICTURE_TYPE_BI; break; + default: + av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n"); + av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n"); + res = AVERROR_EXTERNAL; + goto error; + } + +#if FF_API_CODED_FRAME +FF_DISABLE_DEPRECATION_WARNINGS + avctx->coded_frame->pict_type = pict_type; FF_ENABLE_DEPRECATION_WARNINGS #endif - } + + ff_side_data_set_encoder_stats(pkt, + (lock_params.frameAvgQP - 1) * FF_QP2LAMBDA, NULL, 0, pict_type); + + res = nvenc_set_timestamp(avctx, &lock_params, pkt); + if (res < 0) + goto error2; + + av_free(slice_offsets); return 0; + +error: + timestamp_queue_dequeue(ctx->timestamp_list); + +error2: + av_free(slice_offsets); + + return res; } static int output_ready(AVCodecContext *avctx, int flush) { - NVENCContext *ctx = avctx->priv_data; + NvencContext *ctx = avctx->priv_data; + int nb_ready, nb_pending; /* when B-frames are enabled, we wait for two initial timestamps to * calculate the first dts */ if (!flush && avctx->max_b_frames > 0 && (ctx->initial_pts[0] == AV_NOPTS_VALUE || ctx->initial_pts[1] == AV_NOPTS_VALUE)) return 0; - return av_fifo_size(ctx->ready) > 0; + + nb_ready = av_fifo_size(ctx->output_surface_ready_queue) / sizeof(NvencSurface*); + nb_pending = av_fifo_size(ctx->output_surface_queue) / sizeof(NvencSurface*); + if (flush) + return nb_ready > 0; + return (nb_ready > 0) && (nb_ready + nb_pending >= ctx->async_depth); } int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { - NVENCContext *ctx = avctx->priv_data; - NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs; - NV_ENC_PIC_PARAMS params = { 0 }; - NVENCFrame *nvenc_frame = NULL; - int enc_ret, ret; + NVENCSTATUS nv_status; + NvencSurface *tmpoutsurf, *inSurf; + int res; + + NvencContext *ctx = avctx->priv_data; + NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs; + NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs; - params.version = NV_ENC_PIC_PARAMS_VER; + NV_ENC_PIC_PARAMS pic_params = { 0 }; + pic_params.version = NV_ENC_PIC_PARAMS_VER; if (frame) { - nvenc_frame = get_free_frame(ctx); - if (!nvenc_frame) { + inSurf = get_free_frame(ctx); + if (!inSurf) { av_log(avctx, AV_LOG_ERROR, "No free surfaces\n"); return AVERROR_BUG; } - ret = nvenc_upload_frame(avctx, frame, nvenc_frame); - if (ret < 0) - return ret; + res = nvenc_upload_frame(avctx, frame, inSurf); + if (res) { + inSurf->lockCount = 0; + return res; + } - params.inputBuffer = nvenc_frame->in; - params.bufferFmt = nvenc_frame->format; - params.inputWidth = frame->width; - params.inputHeight = frame->height; - params.outputBitstream = nvenc_frame->out; - params.inputTimeStamp = frame->pts; + pic_params.inputBuffer = inSurf->input_surface; + pic_params.bufferFmt = inSurf->format; + pic_params.inputWidth = avctx->width; + pic_params.inputHeight = avctx->height; + pic_params.outputBitstream = inSurf->output_surface; if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) { if (frame->top_field_first) - params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM; + pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM; else - params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP; + pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP; } else { - params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME; + pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME; } - nvenc_codec_specific_pic_params(avctx, ¶ms); + pic_params.encodePicFlags = 0; + pic_params.inputTimeStamp = frame->pts; - ret = nvenc_enqueue_timestamp(ctx->timestamps, frame->pts); - if (ret < 0) - return ret; + nvenc_codec_specific_pic_params(avctx, &pic_params); + } else { + pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS; + } + + nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params); + if (nv_status != NV_ENC_SUCCESS && + nv_status != NV_ENC_ERR_NEED_MORE_INPUT) + return nvenc_print_error(avctx, nv_status, "EncodePicture failed!"); + + if (frame) { + av_fifo_generic_write(ctx->output_surface_queue, &inSurf, sizeof(inSurf), NULL); + timestamp_queue_enqueue(ctx->timestamp_list, frame->pts); if (ctx->initial_pts[0] == AV_NOPTS_VALUE) ctx->initial_pts[0] = frame->pts; else if (ctx->initial_pts[1] == AV_NOPTS_VALUE) ctx->initial_pts[1] = frame->pts; - } else { - params.encodePicFlags = NV_ENC_PIC_FLAG_EOS; - } - - enc_ret = nv->nvEncEncodePicture(ctx->nvenc_ctx, ¶ms); - if (enc_ret != NV_ENC_SUCCESS && - enc_ret != NV_ENC_ERR_NEED_MORE_INPUT) - return nvenc_print_error(avctx, enc_ret, "Error encoding the frame"); - - if (nvenc_frame) { - ret = av_fifo_generic_write(ctx->pending, &nvenc_frame, sizeof(nvenc_frame), NULL); - if (ret < 0) - return ret; } /* all the pending buffers are now ready for output */ - if (enc_ret == NV_ENC_SUCCESS) { - while (av_fifo_size(ctx->pending) > 0) { - av_fifo_generic_read(ctx->pending, &nvenc_frame, sizeof(nvenc_frame), NULL); - av_fifo_generic_write(ctx->ready, &nvenc_frame, sizeof(nvenc_frame), NULL); + if (nv_status == NV_ENC_SUCCESS) { + while (av_fifo_size(ctx->output_surface_queue) > 0) { + av_fifo_generic_read(ctx->output_surface_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL); + av_fifo_generic_write(ctx->output_surface_ready_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL); } } if (output_ready(avctx, !frame)) { - ret = nvenc_get_output(avctx, pkt); - if (ret < 0) - return ret; + av_fifo_generic_read(ctx->output_surface_ready_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL); + + res = process_output_surface(avctx, pkt, tmpoutsurf); + + if (res) + return res; + + av_assert0(tmpoutsurf->lockCount); + tmpoutsurf->lockCount--; + *got_packet = 1; } else { *got_packet = 0; |