From 4976b102d89787d59a3aaa438b76c62aec86ad5a Mon Sep 17 00:00:00 2001 From: Yaroslav Pogrebnyak Date: Thu, 19 Mar 2020 17:45:48 +0100 Subject: [PATCH] avfilter: add vf_overlay_cuda Signed-off-by: Timo Rothenpieler --- Changelog | 1 + configure | 2 + doc/filters.texi | 32 +++ libavfilter/Makefile | 1 + libavfilter/allfilters.c | 1 + libavfilter/version.h | 2 +- libavfilter/vf_overlay_cuda.c | 438 +++++++++++++++++++++++++++++++++ libavfilter/vf_overlay_cuda.cu | 54 ++++ 8 files changed, 530 insertions(+), 1 deletion(-) create mode 100644 libavfilter/vf_overlay_cuda.c create mode 100644 libavfilter/vf_overlay_cuda.cu diff --git a/Changelog b/Changelog index 711861bda9..05b9a84562 100644 --- a/Changelog +++ b/Changelog @@ -54,6 +54,7 @@ version : - DERF demuxer - CRI HCA decoder - CRI HCA demuxer +- overlay_cuda filter version 4.2: diff --git a/configure b/configure index aae9818d70..21827eeb45 100755 --- a/configure +++ b/configure @@ -3026,6 +3026,8 @@ scale_cuda_filter_deps_any="cuda_nvcc cuda_llvm" thumbnail_cuda_filter_deps="ffnvcodec" thumbnail_cuda_filter_deps_any="cuda_nvcc cuda_llvm" transpose_npp_filter_deps="ffnvcodec libnpp" +overlay_cuda_filter_deps="ffnvcodec" +overlay_cuda_filter_deps_any="cuda_nvcc cuda_llvm" amf_deps_any="libdl LoadLibrary" nvenc_deps="ffnvcodec" diff --git a/doc/filters.texi b/doc/filters.texi index 328e984e92..9c9f9a8ac3 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -14387,6 +14387,38 @@ testsrc=s=100x100, split=4 [in0][in1][in2][in3]; @end itemize +@anchor{overlay_cuda} +@section overlay_cuda + +Overlay one video on top of another. + +This is the CUDA cariant of the @ref{overlay} filter. +It only accepts CUDA frames. The underlying input pixel formats have to match. + +It takes two inputs and has one output. The first input is the "main" +video on which the second input is overlaid. + +It accepts the following parameters: + +@table @option +@item x +@item y +Set the x and y coordinates of the overlaid video on the main video. +Default value is "0" for both expressions. + +@item eof_action +See @ref{framesync}. + +@item shortest +See @ref{framesync}. + +@item repeatlast +See @ref{framesync}. + +@end table + +This filter also supports the @ref{framesync} options. + @section owdenoise Apply Overcomplete Wavelet denoiser. diff --git a/libavfilter/Makefile b/libavfilter/Makefile index 750412da6b..ecbc628868 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -324,6 +324,7 @@ OBJS-$(CONFIG_OCR_FILTER) += vf_ocr.o OBJS-$(CONFIG_OCV_FILTER) += vf_libopencv.o OBJS-$(CONFIG_OSCILLOSCOPE_FILTER) += vf_datascope.o OBJS-$(CONFIG_OVERLAY_FILTER) += vf_overlay.o framesync.o +OBJS-$(CONFIG_OVERLAY_CUDA_FILTER) += vf_overlay_cuda.o framesync.o vf_overlay_cuda.ptx.o OBJS-$(CONFIG_OVERLAY_OPENCL_FILTER) += vf_overlay_opencl.o opencl.o \ opencl/overlay.o framesync.o OBJS-$(CONFIG_OVERLAY_QSV_FILTER) += vf_overlay_qsv.o framesync.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 501e5d041b..fb32bef788 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -312,6 +312,7 @@ extern AVFilter ff_vf_overlay; extern AVFilter ff_vf_overlay_opencl; extern AVFilter ff_vf_overlay_qsv; extern AVFilter ff_vf_overlay_vulkan; +extern AVFilter ff_vf_overlay_cuda; extern AVFilter ff_vf_owdenoise; extern AVFilter ff_vf_pad; extern AVFilter ff_vf_pad_opencl; diff --git a/libavfilter/version.h b/libavfilter/version.h index 7b41018be7..3618d35905 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -31,7 +31,7 @@ #define LIBAVFILTER_VERSION_MAJOR 7 #define LIBAVFILTER_VERSION_MINOR 77 -#define LIBAVFILTER_VERSION_MICRO 100 +#define LIBAVFILTER_VERSION_MICRO 101 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ diff --git a/libavfilter/vf_overlay_cuda.c b/libavfilter/vf_overlay_cuda.c new file mode 100644 index 0000000000..2f0f860e50 --- /dev/null +++ b/libavfilter/vf_overlay_cuda.c @@ -0,0 +1,438 @@ +/* + * Copyright (c) 2020 Yaroslav Pogrebnyak + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Overlay one video on top of another using cuda hardware acceleration + */ + +#include "libavutil/log.h" +#include "libavutil/mem.h" +#include "libavutil/opt.h" +#include "libavutil/pixdesc.h" +#include "libavutil/hwcontext.h" +#include "libavutil/hwcontext_cuda_internal.h" +#include "libavutil/cuda_check.h" + +#include "avfilter.h" +#include "framesync.h" +#include "internal.h" + +#define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, ctx->hwctx->internal->cuda_dl, x) +#define DIV_UP(a, b) ( ((a) + (b) - 1) / (b) ) + +#define BLOCK_X 32 +#define BLOCK_Y 16 + +static const enum AVPixelFormat supported_main_formats[] = { + AV_PIX_FMT_NV12, + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_NONE, +}; + +static const enum AVPixelFormat supported_overlay_formats[] = { + AV_PIX_FMT_NV12, + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUVA420P, + AV_PIX_FMT_NONE, +}; + +/** + * OverlayCUDAContext + */ +typedef struct OverlayCUDAContext { + const AVClass *class; + + enum AVPixelFormat in_format_overlay; + enum AVPixelFormat in_format_main; + + AVCUDADeviceContext *hwctx; + + CUcontext cu_ctx; + CUmodule cu_module; + CUfunction cu_func; + CUstream cu_stream; + + FFFrameSync fs; + + int x_position; + int y_position; + +} OverlayCUDAContext; + +/** + * Helper to find out if provided format is supported by filter + */ +static int format_is_supported(const enum AVPixelFormat formats[], enum AVPixelFormat fmt) +{ + for (int i = 0; formats[i] != AV_PIX_FMT_NONE; i++) + if (formats[i] == fmt) + return 1; + return 0; +} + +/** + * Helper checks if we can process main and overlay pixel formats + */ +static int formats_match(const enum AVPixelFormat format_main, const enum AVPixelFormat format_overlay) { + switch(format_main) { + case AV_PIX_FMT_NV12: + return format_overlay == AV_PIX_FMT_NV12; + case AV_PIX_FMT_YUV420P: + return format_overlay == AV_PIX_FMT_YUV420P || + format_overlay == AV_PIX_FMT_YUVA420P; + default: + return 0; + } +} + +/** + * Call overlay kernell for a plane + */ +static int overlay_cuda_call_kernel( + OverlayCUDAContext *ctx, + int x_position, int y_position, + uint8_t* main_data, int main_linesize, + int main_width, int main_height, + uint8_t* overlay_data, int overlay_linesize, + int overlay_width, int overlay_height, + uint8_t* alpha_data, int alpha_linesize, + int alpha_adj_x, int alpha_adj_y) { + + CudaFunctions *cu = ctx->hwctx->internal->cuda_dl; + + void* kernel_args[] = { + &x_position, &y_position, + &main_data, &main_linesize, + &overlay_data, &overlay_linesize, + &overlay_width, &overlay_height, + &alpha_data, &alpha_linesize, + &alpha_adj_x, &alpha_adj_y, + }; + + return CHECK_CU(cu->cuLaunchKernel( + ctx->cu_func, + DIV_UP(main_width, BLOCK_X), DIV_UP(main_height, BLOCK_Y), 1, + BLOCK_X, BLOCK_Y, 1, + 0, ctx->cu_stream, kernel_args, NULL)); +} + +/** + * Perform blend overlay picture over main picture + */ +static int overlay_cuda_blend(FFFrameSync *fs) +{ + int ret; + + AVFilterContext *avctx = fs->parent; + OverlayCUDAContext *ctx = avctx->priv; + AVFilterLink *outlink = avctx->outputs[0]; + + CudaFunctions *cu = ctx->hwctx->internal->cuda_dl; + CUcontext dummy, cuda_ctx = ctx->hwctx->cuda_ctx; + + AVFrame *input_main, *input_overlay; + + ctx->cu_ctx = cuda_ctx; + + // read main and overlay frames from inputs + ret = ff_framesync_dualinput_get(fs, &input_main, &input_overlay); + if (ret < 0) + return ret; + + if (!input_main || !input_overlay) + return AVERROR_BUG; + + ret = av_frame_make_writable(input_main); + if (ret < 0) { + av_frame_free(&input_main); + return ret; + } + + // push cuda context + + ret = CHECK_CU(cu->cuCtxPushCurrent(cuda_ctx)); + if (ret < 0) { + av_frame_free(&input_main); + return ret; + } + + // overlay first plane + + overlay_cuda_call_kernel(ctx, + ctx->x_position, ctx->y_position, + input_main->data[0], input_main->linesize[0], + input_main->width, input_main->height, + input_overlay->data[0], input_overlay->linesize[0], + input_overlay->width, input_overlay->height, + input_overlay->data[3], input_overlay->linesize[3], 1, 1); + + // overlay rest planes depending on pixel format + + switch(ctx->in_format_overlay) { + case AV_PIX_FMT_NV12: + overlay_cuda_call_kernel(ctx, + ctx->x_position, ctx->y_position / 2, + input_main->data[1], input_main->linesize[1], + input_main->width, input_main->height / 2, + input_overlay->data[1], input_overlay->linesize[1], + input_overlay->width, input_overlay->height / 2, + 0, 0, 0, 0); + break; + case AV_PIX_FMT_YUV420P: + case AV_PIX_FMT_YUVA420P: + overlay_cuda_call_kernel(ctx, + ctx->x_position / 2 , ctx->y_position / 2, + input_main->data[1], input_main->linesize[1], + input_main->width / 2, input_main->height / 2, + input_overlay->data[1], input_overlay->linesize[1], + input_overlay->width / 2, input_overlay->height / 2, + input_overlay->data[3], input_overlay->linesize[3], 2, 2); + + overlay_cuda_call_kernel(ctx, + ctx->x_position / 2 , ctx->y_position / 2, + input_main->data[2], input_main->linesize[2], + input_main->width / 2, input_main->height / 2, + input_overlay->data[2], input_overlay->linesize[2], + input_overlay->width / 2, input_overlay->height / 2, + input_overlay->data[3], input_overlay->linesize[3], 2, 2); + break; + default: + av_log(ctx, AV_LOG_ERROR, "Passed unsupported overlay pixel format\n"); + av_frame_free(&input_main); + CHECK_CU(cu->cuCtxPopCurrent(&dummy)); + return AVERROR_BUG; + } + + CHECK_CU(cu->cuCtxPopCurrent(&dummy)); + + return ff_filter_frame(outlink, input_main); +} + +/** + * Initialize overlay_cuda + */ +static av_cold int overlay_cuda_init(AVFilterContext *avctx) +{ + OverlayCUDAContext* ctx = avctx->priv; + ctx->fs.on_event = &overlay_cuda_blend; + + return 0; +} + +/** + * Uninitialize overlay_cuda + */ +static av_cold void overlay_cuda_uninit(AVFilterContext *avctx) +{ + OverlayCUDAContext* ctx = avctx->priv; + + ff_framesync_uninit(&ctx->fs); + + if (ctx->hwctx && ctx->cu_module) { + CUcontext dummy; + CudaFunctions *cu = ctx->hwctx->internal->cuda_dl; + CHECK_CU(cu->cuCtxPushCurrent(ctx->cu_ctx)); + CHECK_CU(cu->cuModuleUnload(ctx->cu_module)); + CHECK_CU(cu->cuCtxPopCurrent(&dummy)); + } +} + +/** + * Activate overlay_cuda + */ +static int overlay_cuda_activate(AVFilterContext *avctx) +{ + OverlayCUDAContext *ctx = avctx->priv; + + return ff_framesync_activate(&ctx->fs); +} + +/** + * Query formats + */ +static int overlay_cuda_query_formats(AVFilterContext *avctx) +{ + static const enum AVPixelFormat pixel_formats[] = { + AV_PIX_FMT_CUDA, AV_PIX_FMT_NONE, + }; + + AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats); + + return ff_set_common_formats(avctx, pix_fmts); +} + +/** + * Configure output + */ +static int overlay_cuda_config_output(AVFilterLink *outlink) +{ + + extern char vf_overlay_cuda_ptx[]; + + int err; + AVFilterContext* avctx = outlink->src; + OverlayCUDAContext* ctx = avctx->priv; + + AVFilterLink *inlink = avctx->inputs[0]; + AVHWFramesContext *frames_ctx = (AVHWFramesContext*)inlink->hw_frames_ctx->data; + + AVFilterLink *inlink_overlay = avctx->inputs[1]; + AVHWFramesContext *frames_ctx_overlay = (AVHWFramesContext*)inlink_overlay->hw_frames_ctx->data; + + CUcontext dummy, cuda_ctx; + CudaFunctions *cu; + + // check main input formats + + if (!frames_ctx) { + av_log(ctx, AV_LOG_ERROR, "No hw context provided on main input\n"); + return AVERROR(EINVAL); + } + + ctx->in_format_main = frames_ctx->sw_format; + if (!format_is_supported(supported_main_formats, ctx->in_format_main)) { + av_log(ctx, AV_LOG_ERROR, "Unsupported main input format: %s\n", + av_get_pix_fmt_name(ctx->in_format_main)); + return AVERROR(ENOSYS); + } + + // check overlay input formats + + if (!frames_ctx_overlay) { + av_log(ctx, AV_LOG_ERROR, "No hw context provided on overlay input\n"); + return AVERROR(EINVAL); + } + + ctx->in_format_overlay = frames_ctx_overlay->sw_format; + if (!format_is_supported(supported_overlay_formats, ctx->in_format_overlay)) { + av_log(ctx, AV_LOG_ERROR, "Unsupported overlay input format: %s\n", + av_get_pix_fmt_name(ctx->in_format_overlay)); + return AVERROR(ENOSYS); + } + + // check we can overlay pictures with those pixel formats + + if (!formats_match(ctx->in_format_main, ctx->in_format_overlay)) { + av_log(ctx, AV_LOG_ERROR, "Can't overlay %s on %s \n", + av_get_pix_fmt_name(ctx->in_format_overlay), av_get_pix_fmt_name(ctx->in_format_main)); + return AVERROR(EINVAL); + } + + // initialize + + ctx->hwctx = frames_ctx->device_ctx->hwctx; + cuda_ctx = ctx->hwctx->cuda_ctx; + ctx->fs.time_base = inlink->time_base; + + ctx->cu_stream = ctx->hwctx->stream; + + outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx); + + // load functions + + cu = ctx->hwctx->internal->cuda_dl; + + err = CHECK_CU(cu->cuCtxPushCurrent(cuda_ctx)); + if (err < 0) { + return err; + } + + err = CHECK_CU(cu->cuModuleLoadData(&ctx->cu_module, vf_overlay_cuda_ptx)); + if (err < 0) { + CHECK_CU(cu->cuCtxPopCurrent(&dummy)); + return err; + } + + err = CHECK_CU(cu->cuModuleGetFunction(&ctx->cu_func, ctx->cu_module, "Overlay_Cuda")); + if (err < 0) { + CHECK_CU(cu->cuCtxPopCurrent(&dummy)); + return err; + } + + CHECK_CU(cu->cuCtxPopCurrent(&dummy)); + + // init dual input + + err = ff_framesync_init_dualinput(&ctx->fs, avctx); + if (err < 0) { + return err; + } + + return ff_framesync_configure(&ctx->fs); +} + + +#define OFFSET(x) offsetof(OverlayCUDAContext, x) +#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) + +static const AVOption overlay_cuda_options[] = { + { "x", "Overlay x position", + OFFSET(x_position), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, .flags = FLAGS }, + { "y", "Overlay y position", + OFFSET(y_position), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, .flags = FLAGS }, + { "eof_action", "Action to take when encountering EOF from secondary input ", + OFFSET(fs.opt_eof_action), AV_OPT_TYPE_INT, { .i64 = EOF_ACTION_REPEAT }, + EOF_ACTION_REPEAT, EOF_ACTION_PASS, .flags = FLAGS, "eof_action" }, + { "repeat", "Repeat the previous frame.", 0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_REPEAT }, .flags = FLAGS, "eof_action" }, + { "endall", "End both streams.", 0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_ENDALL }, .flags = FLAGS, "eof_action" }, + { "pass", "Pass through the main input.", 0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_PASS }, .flags = FLAGS, "eof_action" }, + { "shortest", "force termination when the shortest input terminates", OFFSET(fs.opt_shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, + { "repeatlast", "repeat overlay of the last overlay frame", OFFSET(fs.opt_repeatlast), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS }, + { NULL }, +}; + +FRAMESYNC_DEFINE_CLASS(overlay_cuda, OverlayCUDAContext, fs); + +static const AVFilterPad overlay_cuda_inputs[] = { + { + .name = "main", + .type = AVMEDIA_TYPE_VIDEO, + }, + { + .name = "overlay", + .type = AVMEDIA_TYPE_VIDEO, + }, + { NULL } +}; + +static const AVFilterPad overlay_cuda_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = &overlay_cuda_config_output, + }, + { NULL } +}; + +AVFilter ff_vf_overlay_cuda = { + .name = "overlay_cuda", + .description = NULL_IF_CONFIG_SMALL("Overlay one video on top of another using CUDA"), + .priv_size = sizeof(OverlayCUDAContext), + .priv_class = &overlay_cuda_class, + .init = &overlay_cuda_init, + .uninit = &overlay_cuda_uninit, + .activate = &overlay_cuda_activate, + .query_formats = &overlay_cuda_query_formats, + .inputs = overlay_cuda_inputs, + .outputs = overlay_cuda_outputs, + .preinit = overlay_cuda_framesync_preinit, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, +}; diff --git a/libavfilter/vf_overlay_cuda.cu b/libavfilter/vf_overlay_cuda.cu new file mode 100644 index 0000000000..43ec36c2ed --- /dev/null +++ b/libavfilter/vf_overlay_cuda.cu @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2020 Yaroslav Pogrebnyak + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +extern "C" { + +__global__ void Overlay_Cuda( + int x_position, int y_position, + unsigned char* main, int main_linesize, + unsigned char* overlay, int overlay_linesize, + int overlay_w, int overlay_h, + unsigned char* overlay_alpha, int alpha_linesize, + int alpha_adj_x, int alpha_adj_y) +{ + int x = blockIdx.x * blockDim.x + threadIdx.x; + int y = blockIdx.y * blockDim.y + threadIdx.y; + + if (x >= overlay_w + x_position || + y >= overlay_h + y_position || + x < x_position || + y < y_position ) { + + return; + } + + int overlay_x = x - x_position; + int overlay_y = y - y_position; + + float alpha = 1.0; + if (alpha_linesize) { + alpha = overlay_alpha[alpha_adj_x * overlay_x + alpha_adj_y * overlay_y * alpha_linesize] / 255.0f; + } + + main[x + y*main_linesize] = alpha * overlay[overlay_x + overlay_y * overlay_linesize] + (1.0f - alpha) * main[x + y*main_linesize]; +} + +} +