[FFmpeg-devel] [PATCH 2/2] nvenc: support d3d11 surface input
Hendrik Leppkes
h.leppkes at gmail.com
Sun Nov 12 11:30:21 EET 2017
---
libavcodec/nvenc.c | 106 ++++++++++++++++++++++++++++++++++++++++++-----------
libavcodec/nvenc.h | 11 +++++-
2 files changed, 95 insertions(+), 22 deletions(-)
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index c685d973c1..eba59634f6 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -45,6 +45,9 @@ const enum AVPixelFormat ff_nvenc_pix_fmts[] = {
AV_PIX_FMT_0RGB32,
AV_PIX_FMT_0BGR32,
AV_PIX_FMT_CUDA,
+#if CONFIG_D3D11VA
+ AV_PIX_FMT_D3D11,
+#endif
AV_PIX_FMT_NONE
};
@@ -172,6 +175,9 @@ static int nvenc_push_context(AVCodecContext *avctx)
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
CUresult cu_res;
+ if (ctx->d3d11_device)
+ return 0;
+
cu_res = dl_fn->cuda_dl->cuCtxPushCurrent(ctx->cu_context);
if (cu_res != CUDA_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "cuCtxPushCurrent failed\n");
@@ -188,6 +194,9 @@ static int nvenc_pop_context(AVCodecContext *avctx)
CUresult cu_res;
CUcontext dummy;
+ if (ctx->d3d11_device)
+ return 0;
+
cu_res = dl_fn->cuda_dl->cuCtxPopCurrent(&dummy);
if (cu_res != CUDA_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "cuCtxPopCurrent failed\n");
@@ -206,8 +215,16 @@ static av_cold int nvenc_open_session(AVCodecContext *avctx)
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;
+ if (ctx->d3d11_device)
+ {
+ params.device = ctx->d3d11_device;
+ params.deviceType = NV_ENC_DEVICE_TYPE_DIRECTX;
+ }
+ else
+ {
+ params.device = ctx->cu_context;
+ params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
+ }
ret = p_nvenc->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvencoder);
if (ret != NV_ENC_SUCCESS) {
@@ -458,23 +475,48 @@ static av_cold int nvenc_setup_device(AVCodecContext *avctx)
return AVERROR_BUG;
}
- if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->hw_frames_ctx || avctx->hw_device_ctx) {
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11 || avctx->hw_frames_ctx || avctx->hw_device_ctx) {
AVHWFramesContext *frames_ctx;
AVHWDeviceContext *hwdev_ctx;
- AVCUDADeviceContext *device_hwctx;
+ AVCUDADeviceContext *cuda_device_hwctx = NULL;
+#if CONFIG_D3D11VA
+ AVD3D11VADeviceContext *d3d11_device_hwctx = NULL;
+#endif
int ret;
if (avctx->hw_frames_ctx) {
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
- device_hwctx = frames_ctx->device_ctx->hwctx;
+ if (frames_ctx->format == AV_PIX_FMT_CUDA)
+ cuda_device_hwctx = frames_ctx->device_ctx->hwctx;
+#if CONFIG_D3D11VA
+ else if (frames_ctx->format == AV_PIX_FMT_D3D11)
+ d3d11_device_hwctx = frames_ctx->device_ctx->hwctx;
+#endif
+ else
+ return AVERROR(EINVAL);
} else if (avctx->hw_device_ctx) {
hwdev_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
- device_hwctx = hwdev_ctx->hwctx;
+ if (hwdev_ctx->type == AV_HWDEVICE_TYPE_CUDA)
+ cuda_device_hwctx = hwdev_ctx->hwctx;
+#if CONFIG_D3D11VA
+ else if (hwdev_ctx->type == AV_HWDEVICE_TYPE_D3D11VA)
+ d3d11_device_hwctx = hwdev_ctx->hwctx;
+#endif
+ else
+ return AVERROR(EINVAL);
} else {
return AVERROR(EINVAL);
}
- ctx->cu_context = device_hwctx->cuda_ctx;
+ if (cuda_device_hwctx) {
+ ctx->cu_context = cuda_device_hwctx->cuda_ctx;
+ }
+#if CONFIG_D3D11VA
+ else if (d3d11_device_hwctx) {
+ ctx->d3d11_device = d3d11_device_hwctx->device;
+ ID3D11Device_AddRef(ctx->d3d11_device);
+ }
+#endif
ret = nvenc_open_session(avctx);
if (ret < 0)
@@ -1205,7 +1247,7 @@ static av_cold int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
- if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
ctx->surfaces[idx].in_ref = av_frame_alloc();
if (!ctx->surfaces[idx].in_ref)
return AVERROR(ENOMEM);
@@ -1237,7 +1279,7 @@ static av_cold int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
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)
+ if (avctx->pix_fmt != AV_PIX_FMT_CUDA && avctx->pix_fmt != AV_PIX_FMT_D3D11)
p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->surfaces[idx].input_surface);
av_frame_free(&ctx->surfaces[idx].in_ref);
return err;
@@ -1351,7 +1393,7 @@ av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
av_fifo_freep(&ctx->output_surface_queue);
av_fifo_freep(&ctx->unused_surface_queue);
- if (ctx->surfaces && avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ if (ctx->surfaces && (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11)) {
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);
@@ -1366,7 +1408,7 @@ av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
if (ctx->surfaces) {
for (i = 0; i < ctx->nb_surfaces; ++i) {
- if (avctx->pix_fmt != AV_PIX_FMT_CUDA)
+ if (avctx->pix_fmt != AV_PIX_FMT_CUDA && avctx->pix_fmt != AV_PIX_FMT_D3D11)
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);
@@ -1388,6 +1430,13 @@ av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
dl_fn->cuda_dl->cuCtxDestroy(ctx->cu_context_internal);
ctx->cu_context = ctx->cu_context_internal = NULL;
+#if CONFIG_D3D11VA
+ if (ctx->d3d11_device) {
+ ID3D11Device_Release(ctx->d3d11_device);
+ ctx->d3d11_device = NULL;
+ }
+#endif
+
nvenc_free_functions(&dl_fn->nvenc_dl);
cuda_free_functions(&dl_fn->cuda_dl);
@@ -1403,7 +1452,7 @@ av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
NvencContext *ctx = avctx->priv_data;
int ret;
- if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
AVHWFramesContext *frames_ctx;
if (!avctx->hw_frames_ctx) {
av_log(avctx, AV_LOG_ERROR,
@@ -1411,6 +1460,11 @@ av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
return AVERROR(EINVAL);
}
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ if (frames_ctx->format != avctx->pix_fmt) {
+ av_log(avctx, AV_LOG_ERROR,
+ "hw_frames_ctx must match the GPU frame type\n");
+ return AVERROR(EINVAL);
+ }
ctx->data_pix_fmt = frames_ctx->sw_format;
} else {
ctx->data_pix_fmt = avctx->pix_fmt;
@@ -1516,7 +1570,9 @@ static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame)
int i, idx, ret;
for (i = 0; i < ctx->nb_registered_frames; i++) {
- if (ctx->registered_frames[i].ptr == (CUdeviceptr)frame->data[0])
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA && ctx->registered_frames[i].ptr == frame->data[0])
+ return i;
+ else if (avctx->pix_fmt == AV_PIX_FMT_D3D11 && ctx->registered_frames[i].ptr == frame->data[0] && ctx->registered_frames[i].ptr_index == (intptr_t)frame->data[1])
return i;
}
@@ -1525,12 +1581,19 @@ static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame)
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.pitch = frame->linesize[0];
reg.resourceToRegister = frame->data[0];
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ reg.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_CUDADEVICEPTR;
+ }
+ else if (avctx->pix_fmt == AV_PIX_FMT_D3D11) {
+ reg.resourceType = NV_ENC_INPUT_RESOURCE_TYPE_DIRECTX;
+ reg.subResourceIndex = (intptr_t)frame->data[1];
+ }
+
reg.bufferFormat = nvenc_map_buffer_format(frames_ctx->sw_format);
if (reg.bufferFormat == NV_ENC_BUFFER_FORMAT_UNDEFINED) {
av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format: %s\n",
@@ -1544,8 +1607,9 @@ static int nvenc_register_frame(AVCodecContext *avctx, const AVFrame *frame)
return AVERROR_UNKNOWN;
}
- ctx->registered_frames[idx].ptr = (CUdeviceptr)frame->data[0];
- ctx->registered_frames[idx].regptr = reg.registeredResource;
+ ctx->registered_frames[idx].ptr = frame->data[0];
+ ctx->registered_frames[idx].ptr_index = reg.subResourceIndex;
+ ctx->registered_frames[idx].regptr = reg.registeredResource;
return idx;
}
@@ -1559,10 +1623,10 @@ static int nvenc_upload_frame(AVCodecContext *avctx, const AVFrame *frame,
int res;
NVENCSTATUS nv_status;
- if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
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");
+ av_log(avctx, AV_LOG_ERROR, "Could not register an input HW frame\n");
return reg_idx;
}
@@ -1731,7 +1795,7 @@ static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencSur
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) {
+ if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->pix_fmt == AV_PIX_FMT_D3D11) {
p_nvenc->nvEncUnmapInputResource(ctx->nvencoder, tmpoutsurf->in_map.mappedResource);
av_frame_unref(tmpoutsurf->in_ref);
ctx->registered_frames[tmpoutsurf->reg_idx].mapped = 0;
@@ -1818,7 +1882,7 @@ int ff_nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
NV_ENC_PIC_PARAMS pic_params = { 0 };
pic_params.version = NV_ENC_PIC_PARAMS_VER;
- if (!ctx->cu_context || !ctx->nvencoder)
+ if ((!ctx->cu_context && !ctx->d3d11_device) || !ctx->nvencoder)
return AVERROR(EINVAL);
if (ctx->encoder_flushing)
@@ -1915,7 +1979,7 @@ int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
NvencContext *ctx = avctx->priv_data;
- if (!ctx->cu_context || !ctx->nvencoder)
+ if ((!ctx->cu_context && !ctx->d3d11_device) || !ctx->nvencoder)
return AVERROR(EINVAL);
if (output_ready(avctx, ctx->encoder_flushing)) {
diff --git a/libavcodec/nvenc.h b/libavcodec/nvenc.h
index afb93cc22c..55ac5f220d 100644
--- a/libavcodec/nvenc.h
+++ b/libavcodec/nvenc.h
@@ -27,6 +27,13 @@
#include "libavutil/fifo.h"
#include "libavutil/opt.h"
+#if CONFIG_D3D11VA
+#define COBJMACROS
+#include "libavutil/hwcontext_d3d11va.h"
+#else
+typedef void ID3D11Device;
+#endif
+
#include "avcodec.h"
#define MAX_REGISTERED_FRAMES 64
@@ -107,6 +114,7 @@ typedef struct NvencContext
NV_ENC_CONFIG encode_config;
CUcontext cu_context;
CUcontext cu_context_internal;
+ ID3D11Device *d3d11_device;
int nb_surfaces;
NvencSurface *surfaces;
@@ -119,7 +127,8 @@ typedef struct NvencContext
int encoder_flushing;
struct {
- CUdeviceptr ptr;
+ void *ptr;
+ int ptr_index;
NV_ENC_REGISTERED_PTR regptr;
int mapped;
} registered_frames[MAX_REGISTERED_FRAMES];
--
2.13.2.windows.1
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