* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "config.h"
+
#if defined(_WIN32)
#include <windows.h>
+
+#define CUDA_LIBNAME TEXT("nvcuda.dll")
+#if ARCH_X86_64
+#define NVENC_LIBNAME TEXT("nvEncodeAPI64.dll")
#else
-#include <dlfcn.h>
+#define NVENC_LIBNAME TEXT("nvEncodeAPI.dll")
#endif
-#include <nvEncodeAPI.h>
+#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/internal.h"
+#include "libavutil/hwcontext.h"
#include "libavutil/imgutils.h"
#include "libavutil/avassert.h"
-#include "libavutil/opt.h"
#include "libavutil/mem.h"
-#include "avcodec.h"
#include "internal.h"
-#include "thread.h"
-
-#if defined(_WIN32)
-#define CUDAAPI __stdcall
-#else
-#define CUDAAPI
-#endif
-
-#if defined(_WIN32)
-#define LOAD_FUNC(l, s) GetProcAddress(l, s)
-#define DL_CLOSE_FUNC(l) FreeLibrary(l)
-#else
-#define LOAD_FUNC(l, s) dlsym(l, s)
-#define DL_CLOSE_FUNC(l) dlclose(l)
+#include "nvenc.h"
+
+#define NVENC_CAP 0x30
+#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 { \
+ if (!((l) = dlopen(path, RTLD_LAZY))) { \
+ av_log(avctx, AV_LOG_ERROR, \
+ "Cannot load %s\n", \
+ path); \
+ return AVERROR_UNKNOWN; \
+ } \
+ } while (0)
+
+#define LOAD_SYMBOL(fun, lib, symbol) \
+ do { \
+ if (!((fun) = dlsym(lib, symbol))) { \
+ av_log(avctx, AV_LOG_ERROR, \
+ "Cannot load %s\n", \
+ symbol); \
+ return AVERROR_UNKNOWN; \
+ } \
+ } while (0)
+
+const enum AVPixelFormat ff_nvenc_pix_fmts[] = {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NV12,
+ AV_PIX_FMT_YUV444P,
+#if CONFIG_CUDA
+ AV_PIX_FMT_CUDA,
#endif
+ AV_PIX_FMT_NONE
+};
-typedef enum cudaError_enum {
- CUDA_SUCCESS = 0
-} CUresult;
-typedef int CUdevice;
-typedef void* CUcontext;
-
-typedef CUresult(CUDAAPI *PCUINIT)(unsigned int Flags);
-typedef CUresult(CUDAAPI *PCUDEVICEGETCOUNT)(int *count);
-typedef CUresult(CUDAAPI *PCUDEVICEGET)(CUdevice *device, int ordinal);
-typedef CUresult(CUDAAPI *PCUDEVICEGETNAME)(char *name, int len, CUdevice dev);
-typedef CUresult(CUDAAPI *PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev);
-typedef CUresult(CUDAAPI *PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev);
-typedef CUresult(CUDAAPI *PCUCTXPOPCURRENT)(CUcontext *pctx);
-typedef CUresult(CUDAAPI *PCUCTXDESTROY)(CUcontext ctx);
-
-typedef NVENCSTATUS (NVENCAPI* PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList);
-
-typedef struct NvencInputSurface
-{
- NV_ENC_INPUT_PTR input_surface;
- int width;
- int height;
-
- int lockCount;
-
- NV_ENC_BUFFER_FORMAT format;
-} NvencInputSurface;
-
-typedef struct NvencOutputSurface
-{
- NV_ENC_OUTPUT_PTR output_surface;
- int size;
-
- NvencInputSurface* input_surface;
-
- int busy;
-} NvencOutputSurface;
+static const struct {
+ NVENCSTATUS nverr;
+ int averr;
+ const char *desc;
+} nvenc_errors[] = {
+ { NV_ENC_SUCCESS, 0, "success" },
+ { NV_ENC_ERR_NO_ENCODE_DEVICE, AVERROR(ENOENT), "no encode device" },
+ { NV_ENC_ERR_UNSUPPORTED_DEVICE, AVERROR(ENOSYS), "unsupported device" },
+ { NV_ENC_ERR_INVALID_ENCODERDEVICE, AVERROR(EINVAL), "invalid encoder device" },
+ { NV_ENC_ERR_INVALID_DEVICE, AVERROR(EINVAL), "invalid device" },
+ { NV_ENC_ERR_DEVICE_NOT_EXIST, AVERROR(EIO), "device does not exist" },
+ { NV_ENC_ERR_INVALID_PTR, AVERROR(EFAULT), "invalid ptr" },
+ { NV_ENC_ERR_INVALID_EVENT, AVERROR(EINVAL), "invalid event" },
+ { NV_ENC_ERR_INVALID_PARAM, AVERROR(EINVAL), "invalid param" },
+ { NV_ENC_ERR_INVALID_CALL, AVERROR(EINVAL), "invalid call" },
+ { NV_ENC_ERR_OUT_OF_MEMORY, AVERROR(ENOMEM), "out of memory" },
+ { NV_ENC_ERR_ENCODER_NOT_INITIALIZED, AVERROR(EINVAL), "encoder not initialized" },
+ { NV_ENC_ERR_UNSUPPORTED_PARAM, AVERROR(ENOSYS), "unsupported param" },
+ { NV_ENC_ERR_LOCK_BUSY, AVERROR(EAGAIN), "lock busy" },
+ { NV_ENC_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOBUFS), "not enough buffer" },
+ { NV_ENC_ERR_INVALID_VERSION, AVERROR(EINVAL), "invalid version" },
+ { NV_ENC_ERR_MAP_FAILED, AVERROR(EIO), "map failed" },
+ { NV_ENC_ERR_NEED_MORE_INPUT, AVERROR(EAGAIN), "need more input" },
+ { NV_ENC_ERR_ENCODER_BUSY, AVERROR(EAGAIN), "encoder busy" },
+ { NV_ENC_ERR_EVENT_NOT_REGISTERD, AVERROR(EBADF), "event not registered" },
+ { NV_ENC_ERR_GENERIC, AVERROR_UNKNOWN, "generic error" },
+ { NV_ENC_ERR_INCOMPATIBLE_CLIENT_KEY, AVERROR(EINVAL), "incompatible client key" },
+ { NV_ENC_ERR_UNIMPLEMENTED, AVERROR(ENOSYS), "unimplemented" },
+ { NV_ENC_ERR_RESOURCE_REGISTER_FAILED, AVERROR(EIO), "resource register failed" },
+ { NV_ENC_ERR_RESOURCE_NOT_REGISTERED, AVERROR(EBADF), "resource not registered" },
+ { NV_ENC_ERR_RESOURCE_NOT_MAPPED, AVERROR(EBADF), "resource not mapped" },
+};
-typedef struct NvencData
+static int nvenc_map_error(NVENCSTATUS err, const char **desc)
{
- union {
- int64_t timestamp;
- NvencOutputSurface *surface;
- } u;
-} NvencData;
+ int i;
+ for (i = 0; i < FF_ARRAY_ELEMS(nvenc_errors); i++) {
+ if (nvenc_errors[i].nverr == err) {
+ if (desc)
+ *desc = nvenc_errors[i].desc;
+ return nvenc_errors[i].averr;
+ }
+ }
+ if (desc)
+ *desc = "unknown error";
+ return AVERROR_UNKNOWN;
+}
-typedef struct NvencDataList
+static int nvenc_print_error(void *log_ctx, NVENCSTATUS err,
+ const char *error_string)
{
- NvencData* data;
-
- uint32_t pos;
- uint32_t count;
- uint32_t size;
-} NvencDataList;
+ const char *desc;
+ int ret;
+ ret = nvenc_map_error(err, &desc);
+ av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
+ return ret;
+}
-typedef struct NvencDynLoadFunctions
+static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
{
- PCUINIT cu_init;
- PCUDEVICEGETCOUNT cu_device_get_count;
- PCUDEVICEGET cu_device_get;
- PCUDEVICEGETNAME cu_device_get_name;
- PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability;
- PCUCTXCREATE cu_ctx_create;
- PCUCTXPOPCURRENT cu_ctx_pop_current;
- PCUCTXDESTROY cu_ctx_destroy;
-
- NV_ENCODE_API_FUNCTION_LIST nvenc_funcs;
- int nvenc_device_count;
- CUdevice nvenc_devices[16];
-
-#if defined(_WIN32)
- HMODULE cuda_lib;
- HMODULE nvenc_lib;
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ PNVENCODEAPICREATEINSTANCE nvenc_create_instance;
+ NVENCSTATUS err;
+
+#if CONFIG_CUDA
+ 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
- void* cuda_lib;
- void* nvenc_lib;
+ LOAD_LIBRARY(dl_fn->cuda, CUDA_LIBNAME);
+
+ 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(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
-} NvencDynLoadFunctions;
-typedef struct NvencValuePair
-{
- const char *str;
- uint32_t num;
-} NvencValuePair;
+ LOAD_LIBRARY(dl_fn->nvenc, NVENC_LIBNAME);
-typedef struct NvencContext
-{
- AVClass *avclass;
-
- NvencDynLoadFunctions nvenc_dload_funcs;
-
- NV_ENC_INITIALIZE_PARAMS init_encode_params;
- NV_ENC_CONFIG encode_config;
- CUcontext cu_context;
-
- int max_surface_count;
- NvencInputSurface *input_surfaces;
- NvencOutputSurface *output_surfaces;
-
- NvencDataList output_surface_queue;
- NvencDataList output_surface_ready_queue;
- NvencDataList timestamp_list;
- int64_t last_dts;
-
- void *nvencoder;
-
- char *preset;
- char *profile;
- char *level;
- char *tier;
- int cbr;
- int twopass;
- int gpu;
- int buffer_delay;
-} NvencContext;
-
-static const NvencValuePair nvenc_h264_level_pairs[] = {
- { "auto", NV_ENC_LEVEL_AUTOSELECT },
- { "1" , NV_ENC_LEVEL_H264_1 },
- { "1.0" , NV_ENC_LEVEL_H264_1 },
- { "1b" , NV_ENC_LEVEL_H264_1b },
- { "1.0b", NV_ENC_LEVEL_H264_1b },
- { "1.1" , NV_ENC_LEVEL_H264_11 },
- { "1.2" , NV_ENC_LEVEL_H264_12 },
- { "1.3" , NV_ENC_LEVEL_H264_13 },
- { "2" , NV_ENC_LEVEL_H264_2 },
- { "2.0" , NV_ENC_LEVEL_H264_2 },
- { "2.1" , NV_ENC_LEVEL_H264_21 },
- { "2.2" , NV_ENC_LEVEL_H264_22 },
- { "3" , NV_ENC_LEVEL_H264_3 },
- { "3.0" , NV_ENC_LEVEL_H264_3 },
- { "3.1" , NV_ENC_LEVEL_H264_31 },
- { "3.2" , NV_ENC_LEVEL_H264_32 },
- { "4" , NV_ENC_LEVEL_H264_4 },
- { "4.0" , NV_ENC_LEVEL_H264_4 },
- { "4.1" , NV_ENC_LEVEL_H264_41 },
- { "4.2" , NV_ENC_LEVEL_H264_42 },
- { "5" , NV_ENC_LEVEL_H264_5 },
- { "5.0" , NV_ENC_LEVEL_H264_5 },
- { "5.1" , NV_ENC_LEVEL_H264_51 },
- { NULL }
-};
+ LOAD_SYMBOL(nvenc_create_instance, dl_fn->nvenc,
+ "NvEncodeAPICreateInstance");
-static const NvencValuePair nvenc_hevc_level_pairs[] = {
- { "auto", NV_ENC_LEVEL_AUTOSELECT },
- { "1" , NV_ENC_LEVEL_HEVC_1 },
- { "1.0" , NV_ENC_LEVEL_HEVC_1 },
- { "2" , NV_ENC_LEVEL_HEVC_2 },
- { "2.0" , NV_ENC_LEVEL_HEVC_2 },
- { "2.1" , NV_ENC_LEVEL_HEVC_21 },
- { "3" , NV_ENC_LEVEL_HEVC_3 },
- { "3.0" , NV_ENC_LEVEL_HEVC_3 },
- { "3.1" , NV_ENC_LEVEL_HEVC_31 },
- { "4" , NV_ENC_LEVEL_HEVC_4 },
- { "4.0" , NV_ENC_LEVEL_HEVC_4 },
- { "4.1" , NV_ENC_LEVEL_HEVC_41 },
- { "5" , NV_ENC_LEVEL_HEVC_5 },
- { "5.0" , NV_ENC_LEVEL_HEVC_5 },
- { "5.1" , NV_ENC_LEVEL_HEVC_51 },
- { "5.2" , NV_ENC_LEVEL_HEVC_52 },
- { "6" , NV_ENC_LEVEL_HEVC_6 },
- { "6.0" , NV_ENC_LEVEL_HEVC_6 },
- { "6.1" , NV_ENC_LEVEL_HEVC_61 },
- { "6.2" , NV_ENC_LEVEL_HEVC_62 },
- { NULL }
-};
+ dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
-static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output)
-{
- for (; pair->str; ++pair) {
- if (!strcmp(input, pair->str)) {
- *output = pair->num;
- return 0;
- }
- }
+ err = nvenc_create_instance(&dl_fn->nvenc_funcs);
+ if (err != NV_ENC_SUCCESS)
+ return nvenc_print_error(avctx, err, "Failed to create nvenc instance");
- return AVERROR(EINVAL);
+ av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
+
+ return 0;
}
-static NvencData* data_queue_dequeue(NvencDataList* queue)
+static av_cold int nvenc_open_session(AVCodecContext *avctx)
{
- uint32_t mask;
- uint32_t read_pos;
-
- av_assert0(queue);
- av_assert0(queue->size);
- av_assert0(queue->data);
+ NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params = { 0 };
+ NvencContext *ctx = avctx->priv_data;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &ctx->nvenc_dload_funcs.nvenc_funcs;
+ NVENCSTATUS ret;
- if (!queue->count)
- return NULL;
+ 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;
- /* Size always is a multiple of two */
- mask = queue->size - 1;
- read_pos = (queue->pos - queue->count) & mask;
- queue->count--;
+ ret = p_nvenc->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvencoder);
+ if (ret != NV_ENC_SUCCESS) {
+ ctx->nvencoder = NULL;
+ return nvenc_print_error(avctx, ret, "OpenEncodeSessionEx failed");
+ }
- return &queue->data[read_pos];
+ return 0;
}
-static int data_queue_enqueue(NvencDataList* queue, NvencData *data)
+static int nvenc_check_codec_support(AVCodecContext *avctx)
{
- NvencDataList new_queue;
- NvencData* tmp_data;
- uint32_t mask;
+ 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;
- if (!queue->size) {
- /* size always has to be a multiple of two */
- queue->size = 4;
- queue->pos = 0;
- queue->count = 0;
+ ret = p_nvenc->nvEncGetEncodeGUIDCount(ctx->nvencoder, &count);
- queue->data = av_malloc(queue->size * sizeof(*(queue->data)));
+ if (ret != NV_ENC_SUCCESS || !count)
+ return AVERROR(ENOSYS);
- if (!queue->data) {
- queue->size = 0;
- return AVERROR(ENOMEM);
- }
+ guids = av_malloc(count * sizeof(GUID));
+ if (!guids)
+ return AVERROR(ENOMEM);
+
+ ret = p_nvenc->nvEncGetEncodeGUIDs(ctx->nvencoder, guids, count, &count);
+ if (ret != NV_ENC_SUCCESS) {
+ ret = AVERROR(ENOSYS);
+ goto fail;
}
- if (queue->count == queue->size) {
- new_queue.size = queue->size << 1;
- new_queue.pos = 0;
- new_queue.count = 0;
- new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data)));
+ ret = AVERROR(ENOSYS);
+ for (i = 0; i < count; i++) {
+ if (!memcmp(&guids[i], &ctx->init_encode_params.encodeGUID, sizeof(*guids))) {
+ ret = 0;
+ break;
+ }
+ }
- if (!new_queue.data)
- return AVERROR(ENOMEM);
+fail:
+ av_free(guids);
- while (tmp_data = data_queue_dequeue(queue))
- data_queue_enqueue(&new_queue, tmp_data);
+ return ret;
+}
- av_free(queue->data);
- *queue = new_queue;
- }
+static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap)
+{
+ 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;
- mask = queue->size - 1;
+ params.version = NV_ENC_CAPS_PARAM_VER;
+ params.capsToQuery = cap;
- queue->data[queue->pos] = *data;
- queue->pos = (queue->pos + 1) & mask;
- queue->count++;
+ ret = p_nvenc->nvEncGetEncodeCaps(ctx->nvencoder, ctx->init_encode_params.encodeGUID, ¶ms, &val);
+ if (ret == NV_ENC_SUCCESS)
+ return val;
return 0;
}
-static int out_surf_queue_enqueue(NvencDataList* queue, NvencOutputSurface* surface)
+static int nvenc_check_capabilities(AVCodecContext *avctx)
{
- NvencData data;
- data.u.surface = surface;
+ NvencContext *ctx = avctx->priv_data;
+ int ret;
- return data_queue_enqueue(queue, &data);
-}
+ ret = nvenc_check_codec_support(avctx);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_VERBOSE, "Codec not supported\n");
+ return ret;
+ }
-static NvencOutputSurface* out_surf_queue_dequeue(NvencDataList* queue)
-{
- NvencData* res = data_queue_dequeue(queue);
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_YUV444_ENCODE);
+ if (ctx->data_pix_fmt == AV_PIX_FMT_YUV444P && ret <= 0) {
+ av_log(avctx, AV_LOG_VERBOSE, "YUV444P not supported\n");
+ return AVERROR(ENOSYS);
+ }
- if (!res)
- return NULL;
+ 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);
+ }
- return res->u.surface;
-}
+ 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",
+ avctx->width, ret);
+ return AVERROR(ENOSYS);
+ }
-static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp)
-{
- NvencData data;
- data.u.timestamp = timestamp;
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_HEIGHT_MAX);
+ if (ret < avctx->height) {
+ av_log(avctx, AV_LOG_VERBOSE, "Height %d exceeds %d\n",
+ avctx->height, ret);
+ return AVERROR(ENOSYS);
+ }
- return data_queue_enqueue(queue, &data);
-}
+ ret = nvenc_check_cap(avctx, NV_ENC_CAPS_NUM_MAX_BFRAMES);
+ if (ret < avctx->max_b_frames) {
+ av_log(avctx, AV_LOG_VERBOSE, "Max b-frames %d exceed %d\n",
+ avctx->max_b_frames, ret);
-static int64_t timestamp_queue_dequeue(NvencDataList* queue)
-{
- NvencData* res = data_queue_dequeue(queue);
+ return AVERROR(ENOSYS);
+ }
- if (!res)
- return AV_NOPTS_VALUE;
+ 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 res->u.timestamp;
+ return 0;
}
-#define CHECK_LOAD_FUNC(t, f, s) \
-do { \
- (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \
- if (!(f)) { \
- av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \
- goto error; \
- } \
-} while (0)
-
-static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx)
+static av_cold int nvenc_check_device(AVCodecContext *avctx, int idx)
{
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;
- if (dl_fn->cuda_lib)
- return 1;
+ if (ctx->device == LIST_DEVICES)
+ loglevel = AV_LOG_INFO;
-#if defined(_WIN32)
- dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll"));
-#else
- dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY);
-#endif
+ 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;
+ }
- if (!dl_fn->cuda_lib) {
- av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n");
- goto error;
+ cu_res = dl_fn->cu_device_get_name(name, sizeof(name), cu_device);
+ if (cu_res != CUDA_SUCCESS)
+ return -1;
+
+ cu_res = dl_fn->cu_device_compute_capability(&major, &minor, cu_device);
+ if (cu_res != CUDA_SUCCESS)
+ return -1;
+
+ 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;
}
- CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit");
- CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount");
- CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet");
- CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName");
- CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability");
- CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2");
- CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2");
- CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2");
+ 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;
+ }
- return 1;
+ ctx->cu_context = ctx->cu_context_internal;
-error:
+ 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 (dl_fn->cuda_lib)
- DL_CLOSE_FUNC(dl_fn->cuda_lib);
+ if ((ret = nvenc_open_session(avctx)) < 0)
+ goto fail2;
- dl_fn->cuda_lib = NULL;
+ if ((ret = nvenc_check_capabilities(avctx)) < 0)
+ goto fail3;
- return 0;
-}
+ av_log(avctx, loglevel, "supports NVENC\n");
-static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func)
-{
- if (err != CUDA_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, ">> %s - failed with error code 0x%x\n", func, err);
+ dl_fn->nvenc_device_count++;
+
+ if (ctx->device == dl_fn->nvenc_device_count - 1 || ctx->device == ANY_DEVICE)
return 0;
- }
- return 1;
+
+fail3:
+ p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
+ ctx->nvencoder = NULL;
+
+fail2:
+ dl_fn->cu_ctx_destroy(ctx->cu_context_internal);
+ ctx->cu_context_internal = NULL;
+
+fail:
+ return AVERROR(ENOSYS);
}
-#define check_cuda_errors(f) if (!check_cuda_errors(avctx, f, #f)) goto error
-static av_cold int nvenc_check_cuda(AVCodecContext *avctx)
+static av_cold int nvenc_setup_device(AVCodecContext *avctx)
{
- int device_count = 0;
- CUdevice cu_device = 0;
- char gpu_name[128];
- int smminor = 0, smmajor = 0;
- int i, smver, target_smver;
-
NvencContext *ctx = avctx->priv_data;
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
switch (avctx->codec->id) {
case AV_CODEC_ID_H264:
- target_smver = avctx->pix_fmt == AV_PIX_FMT_YUV444P ? 0x52 : 0x30;
+ ctx->init_encode_params.encodeGUID = NV_ENC_CODEC_H264_GUID;
break;
- case AV_CODEC_ID_H265:
- target_smver = 0x52;
+ case AV_CODEC_ID_HEVC:
+ ctx->init_encode_params.encodeGUID = NV_ENC_CODEC_HEVC_GUID;
break;
default:
- av_log(avctx, AV_LOG_FATAL, "Unknown codec name\n");
- goto error;
+ return AVERROR_BUG;
}
- if (!nvenc_dyload_cuda(avctx))
- return 0;
-
- if (dl_fn->nvenc_device_count > 0)
- return 1;
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+#if CONFIG_CUDA
+ AVHWFramesContext *frames_ctx;
+ AVCUDADeviceContext *device_hwctx;
+ int ret;
- check_cuda_errors(dl_fn->cu_init(0));
+ if (!avctx->hw_frames_ctx)
+ return AVERROR(EINVAL);
- check_cuda_errors(dl_fn->cu_device_get_count(&device_count));
+ frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ device_hwctx = frames_ctx->device_ctx->hwctx;
- if (!device_count) {
- av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
- goto error;
- }
+ ctx->cu_context = device_hwctx->cuda_ctx;
- av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", device_count);
+ ret = nvenc_open_session(avctx);
+ if (ret < 0)
+ return ret;
- dl_fn->nvenc_device_count = 0;
+ ret = nvenc_check_capabilities(avctx);
+ 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;
- for (i = 0; i < device_count; ++i) {
- check_cuda_errors(dl_fn->cu_device_get(&cu_device, i));
- check_cuda_errors(dl_fn->cu_device_get_name(gpu_name, sizeof(gpu_name), cu_device));
- check_cuda_errors(dl_fn->cu_device_compute_capability(&smmajor, &smminor, cu_device));
+ if ((dl_fn->cu_init(0)) != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Cannot init CUDA\n");
+ return AVERROR_UNKNOWN;
+ }
- smver = (smmajor << 4) | smminor;
+ 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;
+ }
- av_log(avctx, AV_LOG_VERBOSE, "[ GPU #%d - < %s > has Compute SM %d.%d, NVENC %s ]\n", i, gpu_name, smmajor, smminor, (smver >= target_smver) ? "Available" : "Not Available");
+ if (!nb_devices) {
+ av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
+ return AVERROR_EXTERNAL;
+ }
- if (smver >= target_smver)
- dl_fn->nvenc_devices[dl_fn->nvenc_device_count++] = cu_device;
- }
+ av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", nb_devices);
- if (!dl_fn->nvenc_device_count) {
- av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
- goto error;
- }
+ 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;
+ }
- return 1;
+ if (ctx->device == LIST_DEVICES)
+ return AVERROR_EXIT;
-error:
+ if (!dl_fn->nvenc_device_count) {
+ av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
+ return AVERROR_EXTERNAL;
+ }
- dl_fn->nvenc_device_count = 0;
+ 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;
}
-static av_cold int nvenc_dyload_nvenc(AVCodecContext *avctx)
+typedef struct GUIDTuple {
+ const GUID guid;
+ int flags;
+} GUIDTuple;
+
+static void nvenc_map_preset(NvencContext *ctx)
{
- PNVENCODEAPICREATEINSTANCE nvEncodeAPICreateInstance = 0;
- NVENCSTATUS nvstatus;
+ 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_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 },
+ };
+
+ GUIDTuple *t = &presets[ctx->preset];
+
+ ctx->init_encode_params.presetGUID = t->guid;
+ ctx->flags = t->flags;
+}
+static av_cold void set_constqp(AVCodecContext *avctx)
+{
NvencContext *ctx = avctx->priv_data;
- NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams;
- if (!nvenc_check_cuda(avctx))
- return 0;
+ 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;
- if (dl_fn->nvenc_lib)
- return 1;
+ avctx->qmin = -1;
+ avctx->qmax = -1;
+}
-#if defined(_WIN32)
- if (sizeof(void*) == 8) {
- dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI64.dll"));
- } else {
- dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI.dll"));
- }
-#else
- dl_fn->nvenc_lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
-#endif
+static av_cold void set_vbr(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams;
+ int qp_inter_p;
- if (!dl_fn->nvenc_lib) {
- av_log(avctx, AV_LOG_FATAL, "Failed loading the nvenc library\n");
- goto error;
- }
+ if (avctx->qmin >= 0 && avctx->qmax >= 0) {
+ rc->enableMinQP = 1;
+ rc->enableMaxQP = 1;
- nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance");
+ rc->minQP.qpInterB = avctx->qmin;
+ rc->minQP.qpInterP = avctx->qmin;
+ rc->minQP.qpIntra = avctx->qmin;
- if (!nvEncodeAPICreateInstance) {
- av_log(avctx, AV_LOG_FATAL, "Failed to load nvenc entrypoint\n");
- goto error;
- }
+ rc->maxQP.qpInterB = avctx->qmax;
+ rc->maxQP.qpInterP = avctx->qmax;
+ rc->maxQP.qpIntra = avctx->qmax;
- dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
+ qp_inter_p = (avctx->qmax + 3 * avctx->qmin) / 4; // biased towards Qmin
+ } else if (avctx->qmin >= 0) {
+ rc->enableMinQP = 1;
- nvstatus = nvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
+ rc->minQP.qpInterB = avctx->qmin;
+ rc->minQP.qpInterP = avctx->qmin;
+ rc->minQP.qpIntra = avctx->qmin;
- if (nvstatus != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "Failed to create nvenc instance\n");
- goto error;
+ qp_inter_p = avctx->qmin;
+ } else {
+ qp_inter_p = 26; // default to 26
}
- av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
+ rc->enableInitialRCQP = 1;
+ rc->initialRCQP.qpInterP = qp_inter_p;
- return 1;
+ 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;
+ }
+}
-error:
- if (dl_fn->nvenc_lib)
- DL_CLOSE_FUNC(dl_fn->nvenc_lib);
+static av_cold void set_lossless(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NV_ENC_RC_PARAMS *rc = &ctx->encode_config.rcParams;
- dl_fn->nvenc_lib = NULL;
+ rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
+ rc->constQP.qpInterB = 0;
+ rc->constQP.qpInterP = 0;
+ rc->constQP.qpIntra = 0;
- return 0;
+ avctx->qmin = -1;
+ avctx->qmax = -1;
+}
+
+static void nvenc_override_rate_control(AVCodecContext *avctx)
+{
+ 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) {
+ av_log(avctx, AV_LOG_WARNING,
+ "The constant quality rate-control requires "
+ "the 'global_quality' option set.\n");
+ return;
+ }
+ set_constqp(avctx);
+ return;
+ case NV_ENC_PARAMS_RC_2_PASS_VBR:
+ case NV_ENC_PARAMS_RC_VBR:
+ if (avctx->qmin < 0 && avctx->qmax < 0) {
+ 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:
+ if (avctx->qmin < 0) {
+ av_log(avctx, AV_LOG_WARNING,
+ "The variable bitrate rate-control requires "
+ "the 'qmin' option set.\n");
+ set_vbr(avctx);
+ return;
+ }
+ set_vbr(avctx);
+ break;
+ case NV_ENC_PARAMS_RC_CBR:
+ case NV_ENC_PARAMS_RC_2_PASS_QUALITY:
+ case NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP:
+ break;
+ }
+
+ rc->rateControlMode = ctx->rc;
}
-static av_cold void nvenc_unload_nvenc(AVCodecContext *avctx)
+static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx)
{
NvencContext *ctx = avctx->priv_data;
- NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
- DL_CLOSE_FUNC(dl_fn->nvenc_lib);
- dl_fn->nvenc_lib = NULL;
+ 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;
+ }
- dl_fn->nvenc_device_count = 0;
+ if (avctx->rc_max_rate > 0)
+ ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
- DL_CLOSE_FUNC(dl_fn->cuda_lib);
- dl_fn->cuda_lib = NULL;
+ if (ctx->rc < 0) {
+ if (ctx->flags & NVENC_ONE_PASS)
+ ctx->twopass = 0;
+ if (ctx->flags & NVENC_TWO_PASSES)
+ ctx->twopass = 1;
- 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;
+ if (ctx->twopass < 0)
+ ctx->twopass = (ctx->flags & NVENC_LOWLATENCY) != 0;
- av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
+ 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 (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 (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 av_cold int nvenc_encode_init(AVCodecContext *avctx)
+static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
{
- NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS encode_session_params = { 0 };
- NV_ENC_PRESET_CONFIG preset_config = { 0 };
- CUcontext cu_context_curr;
- CUresult cu_res;
- GUID encoder_preset = NV_ENC_PRESET_HQ_GUID;
- GUID codec;
- NVENCSTATUS nv_status = NV_ENC_SUCCESS;
- AVCPBProperties *cpb_props;
- int surfaceCount = 0;
- int i, num_mbs;
- int isLL = 0;
- int lossless = 0;
- int res = 0;
- int dw, dh;
- int qp_inter_p;
+ 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;
- NvencContext *ctx = avctx->priv_data;
- NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
- NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+ 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);
- if (!nvenc_dyload_nvenc(avctx))
- return AVERROR_EXTERNAL;
+ vui->colourDescriptionPresentFlag =
+ (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2);
- ctx->last_dts = AV_NOPTS_VALUE;
+ vui->videoSignalTypePresentFlag =
+ (vui->colourDescriptionPresentFlag
+ || vui->videoFormat != 5
+ || vui->videoFullRangeFlag != 0);
- ctx->encode_config.version = NV_ENC_CONFIG_VER;
- ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
- preset_config.version = NV_ENC_PRESET_CONFIG_VER;
- preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
- encode_session_params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
- encode_session_params.apiVersion = NVENCAPI_VERSION;
+ h264->sliceMode = 3;
+ h264->sliceModeData = 1;
- if (ctx->gpu >= dl_fn->nvenc_device_count) {
- av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->gpu, dl_fn->nvenc_device_count);
- res = AVERROR(EINVAL);
- goto error;
+ 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;
+
+ if (avctx->refs >= 0) {
+ /* 0 means "let the hardware decide" */
+ h264->maxNumRefFrames = avctx->refs;
+ }
+ if (avctx->gop_size >= 0) {
+ h264->idrPeriod = cc->gopLength;
}
- ctx->cu_context = NULL;
- cu_res = dl_fn->cu_ctx_create(&ctx->cu_context, 4, dl_fn->nvenc_devices[ctx->gpu]); // CU_CTX_SCHED_BLOCKING_SYNC=4, avoid CPU spins
+ if (IS_CBR(cc->rcParams.rateControlMode)) {
+ h264->outputBufferingPeriodSEI = 1;
+ h264->outputPictureTimingSEI = 1;
+ }
- if (cu_res != CUDA_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res);
- res = AVERROR_EXTERNAL;
- goto error;
+ 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;
}
- cu_res = dl_fn->cu_ctx_pop_current(&cu_context_curr);
+ 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;
+ }
+ }
- if (cu_res != CUDA_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res);
- res = AVERROR_EXTERNAL;
- goto error;
+ // 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;
+ avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE;
}
- encode_session_params.device = ctx->cu_context;
- encode_session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
+ h264->chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1;
- nv_status = p_nvenc->nvEncOpenEncodeSessionEx(&encode_session_params, &ctx->nvencoder);
- if (nv_status != NV_ENC_SUCCESS) {
- ctx->nvencoder = NULL;
- av_log(avctx, AV_LOG_FATAL, "OpenEncodeSessionEx failed: 0x%x\n", (int)nv_status);
- res = AVERROR_EXTERNAL;
- goto error;
- }
+ h264->level = ctx->level;
- if (ctx->preset) {
- if (!strcmp(ctx->preset, "slow")) {
- encoder_preset = NV_ENC_PRESET_HQ_GUID;
- ctx->twopass = 1;
- } else if (!strcmp(ctx->preset, "medium")) {
- encoder_preset = NV_ENC_PRESET_HQ_GUID;
- ctx->twopass = 0;
- } else if (!strcmp(ctx->preset, "fast")) {
- encoder_preset = NV_ENC_PRESET_HP_GUID;
- ctx->twopass = 0;
- } else if (!strcmp(ctx->preset, "hq")) {
- encoder_preset = NV_ENC_PRESET_HQ_GUID;
- } else if (!strcmp(ctx->preset, "hp")) {
- encoder_preset = NV_ENC_PRESET_HP_GUID;
- } else if (!strcmp(ctx->preset, "bd")) {
- encoder_preset = NV_ENC_PRESET_BD_GUID;
- } else if (!strcmp(ctx->preset, "ll")) {
- encoder_preset = NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID;
- isLL = 1;
- } else if (!strcmp(ctx->preset, "llhp")) {
- encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HP_GUID;
- isLL = 1;
- } else if (!strcmp(ctx->preset, "llhq")) {
- encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HQ_GUID;
- isLL = 1;
- } else if (!strcmp(ctx->preset, "lossless")) {
- encoder_preset = NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID;
- lossless = 1;
- } else if (!strcmp(ctx->preset, "losslesshp")) {
- encoder_preset = NV_ENC_PRESET_LOSSLESS_HP_GUID;
- lossless = 1;
- } else if (!strcmp(ctx->preset, "default")) {
- encoder_preset = NV_ENC_PRESET_DEFAULT_GUID;
- } else {
- av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: slow, medium, fast, hp, hq, bd, ll, llhp, llhq, lossless, losslesshp, default\n", ctx->preset);
- res = AVERROR(EINVAL);
- goto error;
- }
+ return 0;
+}
+
+static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx)
+{
+ 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;
+
+ if (avctx->refs >= 0) {
+ /* 0 means "let the hardware decide" */
+ hevc->maxNumRefFramesInDPB = avctx->refs;
+ }
+ if (avctx->gop_size >= 0) {
+ hevc->idrPeriod = cc->gopLength;
}
- if (ctx->twopass < 0) {
- ctx->twopass = isLL;
+ 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;
+
+ hevc->level = ctx->level;
+
+ hevc->tier = ctx->tier;
+
+ return 0;
+}
+
+static av_cold int nvenc_setup_codec_config(AVCodecContext *avctx)
+{
switch (avctx->codec->id) {
case AV_CODEC_ID_H264:
- codec = NV_ENC_CODEC_H264_GUID;
- break;
- case AV_CODEC_ID_H265:
- codec = NV_ENC_CODEC_HEVC_GUID;
- break;
- default:
- av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n");
- res = AVERROR(EINVAL);
- goto error;
+ 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. */
}
- nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, codec, encoder_preset, &preset_config);
- if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "GetEncodePresetConfig failed: 0x%x\n", (int)nv_status);
- res = AVERROR_EXTERNAL;
- goto error;
- }
+ return 0;
+}
+
+static av_cold int nvenc_setup_encoder(AVCodecContext *avctx)
+{
+ 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 res = 0;
+ int dw, dh;
+
+ ctx->encode_config.version = NV_ENC_CONFIG_VER;
+ ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
- ctx->init_encode_params.encodeGUID = codec;
ctx->init_encode_params.encodeHeight = avctx->height;
ctx->init_encode_params.encodeWidth = avctx->width;
+ ctx->init_encode_params.encodeConfig = &ctx->encode_config;
+
+ nvenc_map_preset(ctx);
+
+ preset_config.version = NV_ENC_PRESET_CONFIG_VER;
+ preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
+
+ 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");
+
+ memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
+
+ ctx->encode_config.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,
ctx->init_encode_params.frameRateNum = avctx->time_base.den;
ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
- num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4);
- ctx->max_surface_count = (num_mbs >= 8160) ? 32 : 48;
-
- if (ctx->buffer_delay >= ctx->max_surface_count)
- ctx->buffer_delay = ctx->max_surface_count - 1;
-
ctx->init_encode_params.enableEncodeAsync = 0;
ctx->init_encode_params.enablePTD = 1;
- ctx->init_encode_params.presetGUID = encoder_preset;
-
- ctx->init_encode_params.encodeConfig = &ctx->encode_config;
- memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
- ctx->encode_config.version = NV_ENC_CONFIG_VER;
-
- if (avctx->refs >= 0) {
- /* 0 means "let the hardware decide" */
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- ctx->encode_config.encodeCodecConfig.h264Config.maxNumRefFrames = avctx->refs;
- break;
- case AV_CODEC_ID_H265:
- ctx->encode_config.encodeCodecConfig.hevcConfig.maxNumRefFramesInDPB = avctx->refs;
- break;
- /* Earlier switch/case will return if unknown codec is passed. */
- }
- }
-
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->encode_config.gopLength = avctx->gop_size;
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size;
- break;
- case AV_CODEC_ID_H265:
- ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = avctx->gop_size;
- break;
- /* Earlier switch/case will return if unknown codec is passed. */
- }
} else if (avctx->gop_size == 0) {
ctx->encode_config.frameIntervalP = 0;
ctx->encode_config.gopLength = 1;
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = 1;
- break;
- case AV_CODEC_ID_H265:
- ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = 1;
- break;
- /* Earlier switch/case will return if unknown codec is passed. */
+ }
+
+ 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->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
+ } else {
+ ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
+ }
+
+ res = nvenc_setup_codec_config(avctx);
+ if (res)
+ return res;
+
+ 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 = ctx->encode_config.rcParams.maxBitRate;
+ cpb_props->avg_bitrate = avctx->bit_rate;
+ cpb_props->buffer_size = ctx->encode_config.rcParams.vbvBufferSize;
+
+ return 0;
+}
+
+static av_cold int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
+{
+ 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->surfaces[idx].format = NV_ENC_BUFFER_FORMAT_YV12_PL;
+ break;
+
+ case AV_PIX_FMT_NV12:
+ ctx->surfaces[idx].format = NV_ENC_BUFFER_FORMAT_NV12_PL;
+ break;
+
+ case AV_PIX_FMT_YUV444P:
+ ctx->surfaces[idx].format = NV_ENC_BUFFER_FORMAT_YUV444_PL;
+ break;
+
+ default:
+ av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ ctx->surfaces[idx].in_ref = av_frame_alloc();
+ if (!ctx->surfaces[idx].in_ref)
+ return AVERROR(ENOMEM);
+ } else {
+ 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->surfaces[idx].input_surface = allocSurf.inputBuffer;
+ ctx->surfaces[idx].width = allocSurf.width;
+ ctx->surfaces[idx].height = allocSurf.height;
}
- /* when there're b frames, set dts offset */
- if (ctx->encode_config.frameIntervalP >= 2)
- ctx->last_dts = -2;
+ ctx->surfaces[idx].lockCount = 0;
- 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;
+ /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's 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;
}
- if (avctx->rc_max_rate > 0)
- ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
+ ctx->surfaces[idx].output_surface = allocOut.bitstreamBuffer;
+ ctx->surfaces[idx].size = allocOut.size;
+
+ return 0;
+}
+
+static av_cold int nvenc_setup_surfaces(AVCodecContext *avctx)
+{
+ 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->surfaces = av_mallocz_array(ctx->nb_surfaces, sizeof(*ctx->surfaces));
+ if (!ctx->surfaces)
+ return AVERROR(ENOMEM);
+
+ ctx->timestamp_list = av_fifo_alloc(ctx->nb_surfaces * sizeof(int64_t));
+ if (!ctx->timestamp_list)
+ return AVERROR(ENOMEM);
+ ctx->output_surface_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(NvencSurface*));
+ if (!ctx->output_surface_queue)
+ return AVERROR(ENOMEM);
+ ctx->output_surface_ready_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(NvencSurface*));
+ if (!ctx->output_surface_ready_queue)
+ return AVERROR(ENOMEM);
- if (lossless) {
- if (avctx->codec->id == AV_CODEC_ID_H264)
- ctx->encode_config.encodeCodecConfig.h264Config.qpPrimeYZeroTransformBypassFlag = 1;
+ for (i = 0; i < ctx->nb_surfaces; i++) {
+ if ((res = nvenc_alloc_surface(avctx, i)) < 0)
+ return res;
+ }
+
+ return 0;
+}
+
+static av_cold int nvenc_setup_extradata(AVCodecContext *avctx)
+{
+ 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 };
+ payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
+
+ payload.spsppsBuffer = tmpHeader;
+ payload.inBufferSize = sizeof(tmpHeader);
+ payload.outSPSPPSPayloadSize = &outSize;
+
+ 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);
+ }
+
+ memcpy(avctx->extradata, tmpHeader, outSize);
+
+ return 0;
+}
+
+av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
+{
+ 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->nvencoder) {
+ NV_ENC_PIC_PARAMS params = { .version = NV_ENC_PIC_PARAMS_VER,
+ .encodePicFlags = NV_ENC_PIC_FLAG_EOS };
+
+ p_nvenc->nvEncEncodePicture(ctx->nvencoder, ¶ms);
+ }
+
+ av_fifo_freep(&ctx->timestamp_list);
+ av_fifo_freep(&ctx->output_surface_ready_queue);
+ av_fifo_freep(&ctx->output_surface_queue);
+
+ if (ctx->surfaces && avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ for (i = 0; i < ctx->nb_surfaces; ++i) {
+ if (ctx->surfaces[i].input_surface) {
+ p_nvenc->nvEncUnmapInputResource(ctx->nvencoder, ctx->surfaces[i].in_map.mappedResource);
+ }
+ }
+ 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;
+ }
+
+ 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->nvencoder)
+ p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
+ ctx->nvencoder = NULL;
+
+ if (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;
+
+ dl_fn->nvenc_device_count = 0;
+
+#if !CONFIG_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;
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
- ctx->encode_config.rcParams.constQP.qpInterB = 0;
- ctx->encode_config.rcParams.constQP.qpInterP = 0;
- ctx->encode_config.rcParams.constQP.qpIntra = 0;
+ av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
- avctx->qmin = -1;
- avctx->qmax = -1;
- } else if (ctx->cbr) {
- if (!ctx->twopass) {
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
- } else {
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_QUALITY;
+ return 0;
+}
- if (avctx->codec->id == AV_CODEC_ID_H264) {
- ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
- ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
- }
- }
+av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ int ret;
- if (avctx->codec->id == AV_CODEC_ID_H264) {
- ctx->encode_config.encodeCodecConfig.h264Config.outputBufferingPeriodSEI = 1;
- ctx->encode_config.encodeCodecConfig.h264Config.outputPictureTimingSEI = 1;
- } else if(avctx->codec->id == AV_CODEC_ID_H265) {
- ctx->encode_config.encodeCodecConfig.hevcConfig.outputBufferingPeriodSEI = 1;
- ctx->encode_config.encodeCodecConfig.hevcConfig.outputPictureTimingSEI = 1;
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ AVHWFramesContext *frames_ctx;
+ if (!avctx->hw_frames_ctx) {
+ av_log(avctx, AV_LOG_ERROR,
+ "hw_frames_ctx must be set when using GPU frames as input\n");
+ return AVERROR(EINVAL);
}
- } else if (avctx->global_quality > 0) {
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
- ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality;
- ctx->encode_config.rcParams.constQP.qpInterP = avctx->global_quality;
- ctx->encode_config.rcParams.constQP.qpIntra = avctx->global_quality;
-
- avctx->qmin = -1;
- avctx->qmax = -1;
+ frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ ctx->data_pix_fmt = frames_ctx->sw_format;
} else {
- if (avctx->qmin >= 0 && avctx->qmax >= 0) {
- ctx->encode_config.rcParams.enableMinQP = 1;
- ctx->encode_config.rcParams.enableMaxQP = 1;
+ ctx->data_pix_fmt = avctx->pix_fmt;
+ }
- ctx->encode_config.rcParams.minQP.qpInterB = avctx->qmin;
- ctx->encode_config.rcParams.minQP.qpInterP = avctx->qmin;
- ctx->encode_config.rcParams.minQP.qpIntra = avctx->qmin;
+ if ((ret = nvenc_load_libraries(avctx)) < 0)
+ return ret;
- ctx->encode_config.rcParams.maxQP.qpInterB = avctx->qmax;
- ctx->encode_config.rcParams.maxQP.qpInterP = avctx->qmax;
- ctx->encode_config.rcParams.maxQP.qpIntra = avctx->qmax;
+ if ((ret = nvenc_setup_device(avctx)) < 0)
+ return ret;
- qp_inter_p = (avctx->qmax + 3 * avctx->qmin) / 4; // biased towards Qmin
+ if ((ret = nvenc_setup_encoder(avctx)) < 0)
+ return ret;
- if (ctx->twopass) {
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR;
- if (avctx->codec->id == AV_CODEC_ID_H264) {
- ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
- ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
- }
- } else {
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR_MINQP;
- }
- } else {
- qp_inter_p = 26; // default to 26
+ if ((ret = nvenc_setup_surfaces(avctx)) < 0)
+ return ret;
- if (ctx->twopass) {
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR;
- } else {
- ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
- }
- }
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
+ if ((ret = nvenc_setup_extradata(avctx)) < 0)
+ return ret;
+ }
+
+ return 0;
+}
- ctx->encode_config.rcParams.enableInitialRCQP = 1;
- ctx->encode_config.rcParams.initialRCQP.qpInterP = qp_inter_p;
+static NvencSurface *get_free_frame(NvencContext *ctx)
+{
+ int i;
- if(avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
- ctx->encode_config.rcParams.initialRCQP.qpIntra = av_clip(
- qp_inter_p * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
- ctx->encode_config.rcParams.initialRCQP.qpInterB = av_clip(
- qp_inter_p * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
- } else {
- ctx->encode_config.rcParams.initialRCQP.qpIntra = qp_inter_p;
- ctx->encode_config.rcParams.initialRCQP.qpInterB = qp_inter_p;
+ for (i = 0; i < ctx->nb_surfaces; ++i) {
+ if (!ctx->surfaces[i].lockCount) {
+ ctx->surfaces[i].lockCount = 1;
+ return &ctx->surfaces[i];
}
}
- 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;
- }
+ return NULL;
+}
- if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
- ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
- } else {
- ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
- }
+static int nvenc_copy_frame(AVCodecContext *avctx, NvencSurface *inSurf,
+ NV_ENC_LOCK_INPUT_BUFFER *lockBufferParams, const AVFrame *frame)
+{
+ uint8_t *buf = lockBufferParams->bufferDataPtr;
+ int off = inSurf->height * lockBufferParams->pitch;
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourMatrix = avctx->colorspace;
- ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourPrimaries = avctx->color_primaries;
- ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.transferCharacteristics = avctx->color_trc;
- ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG
- || avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || avctx->pix_fmt == AV_PIX_FMT_YUVJ444P);
-
- ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag =
- (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2);
-
- ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag =
- (ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag
- || ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFormat != 5
- || ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag != 0);
-
- ctx->encode_config.encodeCodecConfig.h264Config.sliceMode = 3;
- ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData = 1;
-
- ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
- ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
-
- ctx->encode_config.encodeCodecConfig.h264Config.outputAUD = 1;
-
- if (!ctx->profile && !lossless) {
- switch (avctx->profile) {
- case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
- break;
- case FF_PROFILE_H264_BASELINE:
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
- break;
- case FF_PROFILE_H264_MAIN:
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
- break;
- case FF_PROFILE_H264_HIGH:
- case FF_PROFILE_UNKNOWN:
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
- break;
- default:
- av_log(avctx, AV_LOG_WARNING, "Unsupported profile requested, falling back to high\n");
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
- break;
- }
- } else if(!lossless) {
- if (!strcmp(ctx->profile, "high")) {
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
- avctx->profile = FF_PROFILE_H264_HIGH;
- } else if (!strcmp(ctx->profile, "main")) {
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
- avctx->profile = FF_PROFILE_H264_MAIN;
- } else if (!strcmp(ctx->profile, "baseline")) {
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
- avctx->profile = FF_PROFILE_H264_BASELINE;
- } else if (!strcmp(ctx->profile, "high444p")) {
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
- avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE;
- } else {
- av_log(avctx, AV_LOG_FATAL, "Profile \"%s\" is unknown! Supported profiles: high, main, baseline\n", ctx->profile);
- res = AVERROR(EINVAL);
- goto error;
- }
- }
+ if (frame->format == AV_PIX_FMT_YUV420P) {
+ av_image_copy_plane(buf, lockBufferParams->pitch,
+ frame->data[0], frame->linesize[0],
+ avctx->width, avctx->height);
- // force setting profile as high444p if input is AV_PIX_FMT_YUV444P
- if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
- ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
- avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE;
- }
+ buf += off;
- ctx->encode_config.encodeCodecConfig.h264Config.chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1;
+ av_image_copy_plane(buf, lockBufferParams->pitch >> 1,
+ frame->data[2], frame->linesize[2],
+ avctx->width >> 1, avctx->height >> 1);
- if (ctx->level) {
- res = input_string_to_uint32(avctx, nvenc_h264_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.h264Config.level);
+ buf += off >> 2;
- if (res) {
- av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 1b, 1.1, 1.2, 1.3, 2, 2.1, 2.2, 3, 3.1, 3.2, 4, 4.1, 4.2, 5, 5.1\n", ctx->level);
- goto error;
- }
- } else {
- ctx->encode_config.encodeCodecConfig.h264Config.level = NV_ENC_LEVEL_AUTOSELECT;
- }
+ 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);
- break;
- case AV_CODEC_ID_H265:
- ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourMatrix = avctx->colorspace;
- ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourPrimaries = avctx->color_primaries;
- ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.transferCharacteristics = avctx->color_trc;
- ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoFullRangeFlag = (avctx->color_range == AVCOL_RANGE_JPEG
- || avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || avctx->pix_fmt == AV_PIX_FMT_YUVJ444P);
+ buf += off;
- ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourDescriptionPresentFlag =
- (avctx->colorspace != 2 || avctx->color_primaries != 2 || avctx->color_trc != 2);
+ 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);
- ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoSignalTypePresentFlag =
- (ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.colourDescriptionPresentFlag
- || ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoFormat != 5
- || ctx->encode_config.encodeCodecConfig.hevcConfig.hevcVUIParameters.videoFullRangeFlag != 0);
+ buf += off;
- ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode = 3;
- ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData = 1;
+ av_image_copy_plane(buf, lockBufferParams->pitch,
+ frame->data[1], frame->linesize[1],
+ avctx->width, avctx->height);
- ctx->encode_config.encodeCodecConfig.hevcConfig.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
- ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+ buf += off;
- ctx->encode_config.encodeCodecConfig.hevcConfig.outputAUD = 1;
+ 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);
+ }
- /* No other profile is supported in the current SDK version 5 */
- ctx->encode_config.profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
- avctx->profile = FF_PROFILE_HEVC_MAIN;
+ return 0;
+}
- if (ctx->level) {
- res = input_string_to_uint32(avctx, nvenc_hevc_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.hevcConfig.level);
+static int nvenc_find_free_reg_resource(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
- if (res) {
- av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 2, 2.1, 3, 3.1, 4, 4.1, 5, 5.1, 5.2, 6, 6.1, 6.2\n", ctx->level);
- goto error;
- }
- } else {
- ctx->encode_config.encodeCodecConfig.hevcConfig.level = NV_ENC_LEVEL_AUTOSELECT;
- }
+ int i;
- if (ctx->tier) {
- if (!strcmp(ctx->tier, "main")) {
- ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_MAIN;
- } else if (!strcmp(ctx->tier, "high")) {
- ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_HIGH;
- } else {
- av_log(avctx, AV_LOG_FATAL, "Tier \"%s\" is unknown! Supported tiers: main, high\n", ctx->tier);
- res = AVERROR(EINVAL);
- goto error;
+ 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) {
+ p_nvenc->nvEncUnregisterResource(ctx->nvencoder,
+ ctx->registered_frames[i].regptr);
+ ctx->registered_frames[i].regptr = NULL;
+ }
+ return i;
}
}
-
- break;
- /* Earlier switch/case will return if unknown codec is passed. */
- }
-
- nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
- if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "InitializeEncoder failed: 0x%x\n", (int)nv_status);
- res = AVERROR_EXTERNAL;
- goto error;
+ } else {
+ return ctx->nb_registered_frames++;
}
- ctx->input_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->input_surfaces));
+ av_log(avctx, AV_LOG_ERROR, "Too many registered CUDA frames\n");
+ return AVERROR(ENOMEM);
+}
- if (!ctx->input_surfaces) {
- res = AVERROR(ENOMEM);
- goto error;
- }
+static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
- ctx->output_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->output_surfaces));
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ NV_ENC_REGISTER_RESOURCE reg;
+ int i, idx, ret;
- if (!ctx->output_surfaces) {
- res = AVERROR(ENOMEM);
- goto error;
+ for (i = 0; i < ctx->nb_registered_frames; i++) {
+ if (ctx->registered_frames[i].ptr == (CUdeviceptr)frame->data[0])
+ return i;
}
- for (surfaceCount = 0; surfaceCount < ctx->max_surface_count; ++surfaceCount) {
- NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
- NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
- allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
- allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
-
- allocSurf.width = (avctx->width + 31) & ~31;
- allocSurf.height = (avctx->height + 31) & ~31;
-
- allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
-
- switch (avctx->pix_fmt) {
- case AV_PIX_FMT_YUV420P:
- allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
- break;
+ idx = nvenc_find_free_reg_resource(avctx);
+ if (idx < 0)
+ return idx;
+
+ reg.version = NV_ENC_REGISTER_RESOURCE_VER;
+ reg.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_CUDADEVICEPTR;
+ reg.width = frames_ctx->width;
+ reg.height = frames_ctx->height;
+ reg.bufferFormat = ctx->surfaces[0].format;
+ reg.pitch = frame->linesize[0];
+ reg.resourceToRegister = frame->data[0];
+
+ ret = p_nvenc->nvEncRegisterResource(ctx->nvencoder, ®);
+ if (ret != NV_ENC_SUCCESS) {
+ nvenc_print_error(avctx, ret, "Error registering an input resource");
+ return AVERROR_UNKNOWN;
+ }
- case AV_PIX_FMT_NV12:
- allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
- break;
+ ctx->registered_frames[idx].ptr = (CUdeviceptr)frame->data[0];
+ ctx->registered_frames[idx].regptr = reg.registeredResource;
+ return idx;
+}
- case AV_PIX_FMT_YUV444P:
- allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
- break;
+static int nvenc_upload_frame(AVCodecContext *avctx, const AVFrame *frame,
+ NvencSurface *nvenc_frame)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
- default:
- av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n");
- res = AVERROR(EINVAL);
- goto error;
- }
+ int res;
+ NVENCSTATUS nv_status;
- nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
- if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "CreateInputBuffer failed\n");
- res = AVERROR_EXTERNAL;
- goto error;
+ 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 reg_idx;
}
- ctx->input_surfaces[surfaceCount].lockCount = 0;
- ctx->input_surfaces[surfaceCount].input_surface = allocSurf.inputBuffer;
- ctx->input_surfaces[surfaceCount].format = allocSurf.bufferFmt;
- ctx->input_surfaces[surfaceCount].width = allocSurf.width;
- ctx->input_surfaces[surfaceCount].height = allocSurf.height;
-
- /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's not enough. */
- allocOut.size = 1024 * 1024;
-
- allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
+ res = av_frame_ref(nvenc_frame->in_ref, frame);
+ if (res < 0)
+ return res;
- nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
+ nvenc_frame->in_map.version = NV_ENC_MAP_INPUT_RESOURCE_VER;
+ nvenc_frame->in_map.registeredResource = ctx->registered_frames[reg_idx].regptr;
+ nv_status = p_nvenc->nvEncMapInputResource(ctx->nvencoder, &nvenc_frame->in_map);
if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "CreateBitstreamBuffer failed\n");
- ctx->output_surfaces[surfaceCount++].output_surface = NULL;
- res = AVERROR_EXTERNAL;
- goto error;
+ av_frame_unref(nvenc_frame->in_ref);
+ return nvenc_print_error(avctx, nv_status, "Error mapping an input resource");
}
- ctx->output_surfaces[surfaceCount].output_surface = allocOut.bitstreamBuffer;
- ctx->output_surfaces[surfaceCount].size = allocOut.size;
- ctx->output_surfaces[surfaceCount].busy = 0;
- }
-
- if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
- uint32_t outSize = 0;
- char tmpHeader[256];
- NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
- payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
+ ctx->registered_frames[reg_idx].mapped = 1;
+ nvenc_frame->reg_idx = reg_idx;
+ nvenc_frame->input_surface = nvenc_frame->in_map.mappedResource;
+ return 0;
+ } else {
+ NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
- payload.spsppsBuffer = tmpHeader;
- payload.inBufferSize = sizeof(tmpHeader);
- payload.outSPSPPSPayloadSize = &outSize;
+ lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
+ lockBufferParams.inputBuffer = nvenc_frame->input_surface;
- nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload);
+ nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "GetSequenceParams failed\n");
- goto error;
+ return nvenc_print_error(avctx, nv_status, "Failed locking nvenc input buffer");
}
- avctx->extradata_size = outSize;
- avctx->extradata = av_mallocz(outSize + AV_INPUT_BUFFER_PADDING_SIZE);
+ res = nvenc_copy_frame(avctx, nvenc_frame, &lockBufferParams, frame);
- if (!avctx->extradata) {
- res = AVERROR(ENOMEM);
- goto error;
+ 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!");
}
- memcpy(avctx->extradata, tmpHeader, outSize);
+ return res;
}
+}
- 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 = ctx->encode_config.rcParams.maxBitRate;
- cpb_props->avg_bitrate = avctx->bit_rate;
- cpb_props->buffer_size = ctx->encode_config.rcParams.vbvBufferSize;
-
- return 0;
-
-error:
+static void nvenc_codec_specific_pic_params(AVCodecContext *avctx,
+ NV_ENC_PIC_PARAMS *params)
+{
+ NvencContext *ctx = avctx->priv_data;
- for (i = 0; i < surfaceCount; ++i) {
- p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
- if (ctx->output_surfaces[i].output_surface)
- p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ params->codecPicParams.h264PicParams.sliceMode =
+ ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
+ params->codecPicParams.h264PicParams.sliceModeData =
+ ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
+ break;
+ case AV_CODEC_ID_HEVC:
+ params->codecPicParams.hevcPicParams.sliceMode =
+ ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
+ params->codecPicParams.hevcPicParams.sliceModeData =
+ ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
+ break;
}
+}
- if (ctx->nvencoder)
- p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
-
- if (ctx->cu_context)
- dl_fn->cu_ctx_destroy(ctx->cu_context);
-
- nvenc_unload_nvenc(avctx);
+static inline void timestamp_queue_enqueue(AVFifoBuffer* queue, int64_t timestamp)
+{
+ av_fifo_generic_write(queue, ×tamp, sizeof(timestamp), NULL);
+}
- ctx->nvencoder = NULL;
- ctx->cu_context = NULL;
+static inline int64_t timestamp_queue_dequeue(AVFifoBuffer* queue)
+{
+ int64_t timestamp = AV_NOPTS_VALUE;
+ if (av_fifo_size(queue) > 0)
+ av_fifo_generic_read(queue, ×tamp, sizeof(timestamp), NULL);
- return res;
+ return timestamp;
}
-static av_cold int nvenc_encode_close(AVCodecContext *avctx)
+static int nvenc_set_timestamp(AVCodecContext *avctx,
+ NV_ENC_LOCK_BITSTREAM *params,
+ AVPacket *pkt)
{
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;
- av_freep(&ctx->timestamp_list.data);
- av_freep(&ctx->output_surface_ready_queue.data);
- av_freep(&ctx->output_surface_queue.data);
+ pkt->pts = params->outputTimeStamp;
- for (i = 0; i < ctx->max_surface_count; ++i) {
- p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
- p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
- }
- ctx->max_surface_count = 0;
+ /* generate the first dts by linearly extrapolating the
+ * first two pts values to the past */
+ if (avctx->max_b_frames > 0 && !ctx->first_packet_output &&
+ ctx->initial_pts[1] != AV_NOPTS_VALUE) {
+ int64_t ts0 = ctx->initial_pts[0], ts1 = ctx->initial_pts[1];
+ int64_t delta;
- p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
- ctx->nvencoder = NULL;
+ if ((ts0 < 0 && ts1 > INT64_MAX + ts0) ||
+ (ts0 > 0 && ts1 < INT64_MIN + ts0))
+ return AVERROR(ERANGE);
+ delta = ts1 - ts0;
+
+ if ((delta < 0 && ts0 > INT64_MAX + delta) ||
+ (delta > 0 && ts0 < INT64_MIN + delta))
+ return AVERROR(ERANGE);
+ pkt->dts = ts0 - delta;
- dl_fn->cu_ctx_destroy(ctx->cu_context);
- ctx->cu_context = NULL;
+ ctx->first_packet_output = 1;
+ return 0;
+ }
- nvenc_unload_nvenc(avctx);
+ pkt->dts = timestamp_queue_dequeue(ctx->timestamp_list);
return 0;
}
-static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencOutputSurface *tmpoutsurf)
+static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSurface *tmpoutsurf)
{
NvencContext *ctx = avctx->priv_data;
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
if (!slice_offsets)
- return AVERROR(ENOMEM);
+ goto error;
lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Failed locking bitstream buffer\n");
- res = AVERROR_EXTERNAL;
+ res = nvenc_print_error(avctx, nv_status, "Failed locking bitstream buffer");
goto error;
}
nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
if (nv_status != NV_ENC_SUCCESS)
- av_log(avctx, AV_LOG_ERROR, "Failed unlocking bitstream buffer, expect the gates of mordor to open\n");
+ 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;
+
+ tmpoutsurf->input_surface = NULL;
+ }
switch (lock_params.pictureType) {
case NV_ENC_PIC_TYPE_IDR:
ff_side_data_set_encoder_stats(pkt,
(lock_params.frameAvgQP - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
- pkt->pts = lock_params.outputTimeStamp;
- pkt->dts = timestamp_queue_dequeue(&ctx->timestamp_list);
-
- /* when there're b frame(s), set dts offset */
- if (ctx->encode_config.frameIntervalP >= 2)
- pkt->dts -= 1;
-
- if (pkt->dts > pkt->pts)
- pkt->dts = pkt->pts;
-
- if (ctx->last_dts != AV_NOPTS_VALUE && pkt->dts <= ctx->last_dts)
- pkt->dts = ctx->last_dts + 1;
-
- ctx->last_dts = pkt->dts;
+ 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);
- timestamp_queue_dequeue(&ctx->timestamp_list);
return res;
}
-static int nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *frame, int *got_packet)
+static int output_ready(AVCodecContext *avctx, int flush)
+{
+ 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;
+
+ 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)
{
NVENCSTATUS nv_status;
- NvencOutputSurface *tmpoutsurf;
- int res, i = 0;
+ NvencSurface *tmpoutsurf, *inSurf;
+ int res;
NvencContext *ctx = avctx->priv_data;
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
pic_params.version = NV_ENC_PIC_PARAMS_VER;
if (frame) {
- NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
- NvencInputSurface *inSurf = NULL;
-
- for (i = 0; i < ctx->max_surface_count; ++i) {
- if (!ctx->input_surfaces[i].lockCount) {
- inSurf = &ctx->input_surfaces[i];
- break;
- }
- }
-
- av_assert0(inSurf);
-
- inSurf->lockCount = 1;
-
- lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
- lockBufferParams.inputBuffer = inSurf->input_surface;
-
- nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
- if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n");
- return 0;
- }
-
- if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
- uint8_t *buf = lockBufferParams.bufferDataPtr;
-
- av_image_copy_plane(buf, lockBufferParams.pitch,
- frame->data[0], frame->linesize[0],
- avctx->width, avctx->height);
-
- buf += inSurf->height * lockBufferParams.pitch;
-
- av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
- frame->data[2], frame->linesize[2],
- avctx->width >> 1, avctx->height >> 1);
-
- buf += (inSurf->height * lockBufferParams.pitch) >> 2;
-
- av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
- frame->data[1], frame->linesize[1],
- avctx->width >> 1, avctx->height >> 1);
- } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
- uint8_t *buf = lockBufferParams.bufferDataPtr;
-
- av_image_copy_plane(buf, lockBufferParams.pitch,
- frame->data[0], frame->linesize[0],
- avctx->width, avctx->height);
-
- buf += inSurf->height * lockBufferParams.pitch;
-
- av_image_copy_plane(buf, lockBufferParams.pitch,
- frame->data[1], frame->linesize[1],
- avctx->width, avctx->height >> 1);
- } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
- uint8_t *buf = lockBufferParams.bufferDataPtr;
-
- av_image_copy_plane(buf, lockBufferParams.pitch,
- frame->data[0], frame->linesize[0],
- avctx->width, avctx->height);
-
- buf += inSurf->height * lockBufferParams.pitch;
-
- av_image_copy_plane(buf, lockBufferParams.pitch,
- frame->data[1], frame->linesize[1],
- avctx->width, avctx->height);
-
- buf += inSurf->height * lockBufferParams.pitch;
-
- 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);
- }
-
- nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface);
- if (nv_status != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n");
- return AVERROR_EXTERNAL;
+ inSurf = get_free_frame(ctx);
+ if (!inSurf) {
+ av_log(avctx, AV_LOG_ERROR, "No free surfaces\n");
+ return AVERROR_BUG;
}
- for (i = 0; i < ctx->max_surface_count; ++i)
- if (!ctx->output_surfaces[i].busy)
- break;
-
- if (i == ctx->max_surface_count) {
+ res = nvenc_upload_frame(avctx, frame, inSurf);
+ if (res) {
inSurf->lockCount = 0;
- av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n");
- return AVERROR_EXTERNAL;
+ return res;
}
- ctx->output_surfaces[i].input_surface = inSurf;
-
pic_params.inputBuffer = inSurf->input_surface;
pic_params.bufferFmt = inSurf->format;
pic_params.inputWidth = avctx->width;
pic_params.inputHeight = avctx->height;
- pic_params.outputBitstream = ctx->output_surfaces[i].output_surface;
- pic_params.completionEvent = 0;
+ pic_params.outputBitstream = inSurf->output_surface;
if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
- if (frame->top_field_first) {
+ if (frame->top_field_first)
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
- } else {
+ else
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
- }
} else {
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
}
pic_params.encodePicFlags = 0;
pic_params.inputTimeStamp = frame->pts;
- pic_params.inputDuration = 0;
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
- pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
- break;
- case AV_CODEC_ID_H265:
- pic_params.codecPicParams.hevcPicParams.sliceMode = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
- pic_params.codecPicParams.hevcPicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
- break;
- default:
- av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n");
- return AVERROR(EINVAL);
- }
-
- res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts);
- if (res)
- return res;
+ 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 && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) {
- res = out_surf_queue_enqueue(&ctx->output_surface_queue, &ctx->output_surfaces[i]);
-
- if (res)
- return res;
-
- ctx->output_surfaces[i].busy = 1;
- }
+ if (frame) {
+ av_fifo_generic_write(ctx->output_surface_queue, &inSurf, sizeof(inSurf), NULL);
+ timestamp_queue_enqueue(ctx->timestamp_list, frame->pts);
- if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
- av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n");
- return AVERROR_EXTERNAL;
+ 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;
}
- if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
- while (ctx->output_surface_queue.count) {
- tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue);
- res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf);
-
- if (res)
- return res;
- }
-
- if (frame) {
- res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, &ctx->output_surfaces[i]);
-
- if (res)
- return res;
-
- ctx->output_surfaces[i].busy = 1;
+ /* all the pending buffers are now ready for output */
+ 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 (ctx->output_surface_ready_queue.count && (!frame || ctx->output_surface_ready_queue.count + ctx->output_surface_queue.count >= ctx->buffer_delay)) {
- tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_ready_queue);
+ if (output_ready(avctx, !frame)) {
+ av_fifo_generic_read(ctx->output_surface_ready_queue, &tmpoutsurf, sizeof(tmpoutsurf), NULL);
res = process_output_surface(avctx, pkt, tmpoutsurf);
if (res)
return res;
- tmpoutsurf->busy = 0;
- av_assert0(tmpoutsurf->input_surface->lockCount);
- tmpoutsurf->input_surface->lockCount--;
+ av_assert0(tmpoutsurf->lockCount);
+ tmpoutsurf->lockCount--;
*got_packet = 1;
} else {
return 0;
}
-
-static const enum AVPixelFormat pix_fmts_nvenc[] = {
- AV_PIX_FMT_YUV420P,
- AV_PIX_FMT_NV12,
- AV_PIX_FMT_YUV444P,
- AV_PIX_FMT_NONE
-};
-
-#define OFFSET(x) offsetof(NvencContext, x)
-#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-static const AVOption options[] = {
- { "preset", "Set the encoding preset (one of slow = hq 2pass, medium = hq, fast = hp, hq, hp, bd, ll, llhq, llhp, lossless, losslesshp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE },
- { "profile", "Set the encoding profile (high, main, baseline or high444p)", OFFSET(profile), AV_OPT_TYPE_STRING, { .str = "main" }, 0, 0, VE },
- { "level", "Set the encoding level restriction (auto, 1.0, 1.0b, 1.1, 1.2, ..., 4.2, 5.0, 5.1)", OFFSET(level), AV_OPT_TYPE_STRING, { .str = "auto" }, 0, 0, VE },
- { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { .str = "main" }, 0, 0, VE },
- { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
- { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
- { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(gpu), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
- { "delay", "Delays frame output by the given amount of frames.", OFFSET(buffer_delay), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
- { NULL }
-};
-
-static const AVCodecDefault nvenc_defaults[] = {
- { "b", "2M" },
- { "qmin", "-1" },
- { "qmax", "-1" },
- { "qdiff", "-1" },
- { "qblur", "-1" },
- { "qcomp", "-1" },
- { "g", "250" },
- { "bf", "0" },
- { NULL },
-};
-
-#if CONFIG_NVENC_ENCODER
-static const AVClass nvenc_class = {
- .class_name = "nvenc",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVCodec ff_nvenc_encoder = {
- .name = "nvenc",
- .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC h264 encoder"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H264,
- .priv_data_size = sizeof(NvencContext),
- .init = nvenc_encode_init,
- .encode2 = nvenc_encode_frame,
- .close = nvenc_encode_close,
- .capabilities = AV_CODEC_CAP_DELAY,
- .priv_class = &nvenc_class,
- .defaults = nvenc_defaults,
- .pix_fmts = pix_fmts_nvenc,
-};
-#endif
-
-/* Add an alias for nvenc_h264 */
-#if CONFIG_NVENC_H264_ENCODER
-static const AVClass nvenc_h264_class = {
- .class_name = "nvenc_h264",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVCodec ff_nvenc_h264_encoder = {
- .name = "nvenc_h264",
- .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC h264 encoder"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H264,
- .priv_data_size = sizeof(NvencContext),
- .init = nvenc_encode_init,
- .encode2 = nvenc_encode_frame,
- .close = nvenc_encode_close,
- .capabilities = AV_CODEC_CAP_DELAY,
- .priv_class = &nvenc_h264_class,
- .defaults = nvenc_defaults,
- .pix_fmts = pix_fmts_nvenc,
-};
-#endif
-
-#if CONFIG_NVENC_HEVC_ENCODER
-static const AVClass nvenc_hevc_class = {
- .class_name = "nvenc_hevc",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVCodec ff_nvenc_hevc_encoder = {
- .name = "nvenc_hevc",
- .long_name = NULL_IF_CONFIG_SMALL("NVIDIA NVENC hevc encoder"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H265,
- .priv_data_size = sizeof(NvencContext),
- .init = nvenc_encode_init,
- .encode2 = nvenc_encode_frame,
- .close = nvenc_encode_close,
- .capabilities = AV_CODEC_CAP_DELAY,
- .priv_class = &nvenc_hevc_class,
- .defaults = nvenc_defaults,
- .pix_fmts = pix_fmts_nvenc,
-};
-#endif