Got it. Thanks Steven
Steven Liu <l...@chinaffmpeg.org> 于2019年3月24日周日 上午9:00写道：
>
>
> > 在 2019年3月24日，07:26，Tao Zhang <nowe...@gmail.com> 写道：
> >
> > The corrected version. If there are no other comments or objections,
> could
> > this be pushed?
> Of course, maybe this need waiting for other reviewer, about 24 hours
> after maybe better than push it now.
> Because other reviewer maybe busy or not online weekend.
>
> >
> > UsingtcNower <nowe...@gmail.com> 于2019年3月23日周六 下午11:51写道：
> >
> >> Signed-off-by: UsingtcNower <nowe...@gmail.com>
> >> ---
> >> Changelog | 1 +
> >> configure | 1 +
> >> doc/filters.texi | 31 +++
> >> libavfilter/Makefile | 1 +
> >> libavfilter/allfilters.c | 1 +
> >> libavfilter/version.h | 2 +-
> >> libavfilter/vf_crop_cuda.c | 638
> >> ++++++++++++++++++++++++++++++++++++++++++++
> >> libavfilter/vf_crop_cuda.cu | 109 ++++++++
> >> 8 files changed, 783 insertions(+), 1 deletion(-)
> >> create mode 100644 libavfilter/vf_crop_cuda.c
> >> create mode 100644 libavfilter/vf_crop_cuda.cu
> >>
> >> diff --git a/Changelog b/Changelog
> >> index ad7e82f..f224fc8 100644
> >> --- a/Changelog
> >> +++ b/Changelog
> >> @@ -20,6 +20,7 @@ version <next>:
> >> - libaribb24 based ARIB STD-B24 caption support (profiles A and C)
> >> - Support decoding of HEVC 4:4:4 content in nvdec and cuviddec
> >> - removed libndi-newtek
> >> +- crop_cuda GPU accelerated video crop filter
> >>
> >>
> >> version 4.1:
> >> diff --git a/configure b/configure
> >> index 331393f..3f3ac2f 100755
> >> --- a/configure
> >> +++ b/configure
> >> @@ -2973,6 +2973,7 @@ qsvvpp_select="qsv"
> >> vaapi_encode_deps="vaapi"
> >> v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
> >>
> >> +crop_cuda_filter_deps="ffnvcodec cuda_nvcc"
> >> hwupload_cuda_filter_deps="ffnvcodec"
> >> scale_npp_filter_deps="ffnvcodec libnpp"
> >> scale_cuda_filter_deps="ffnvcodec cuda_nvcc"
> >> diff --git a/doc/filters.texi b/doc/filters.texi
> >> index 4ffb392..ee16a2d 100644
> >> --- a/doc/filters.texi
> >> +++ b/doc/filters.texi
> >> @@ -7415,6 +7415,37 @@ If the specified expression is not valid, it is
> >> kept at its current
> >> value.
> >> @end table
> >>
> >> +@section crop_cuda
> >> +
> >> +Crop the input video to given dimensions, implemented in CUDA.
> >> +
> >> +It accepts the following parameters:
> >> +
> >> +@table @option
> >> +
> >> +@item w
> >> +The width of the output video. It defaults to @code{iw}.
> >> +This expression is evaluated only once during the filter
> >> +configuration.
> >> +
> >> +@item h
> >> +The height of the output video. It defaults to @code{ih}.
> >> +This expression is evaluated only once during the filter
> >> +configuration.
> >> +
> >> +@item x
> >> +The horizontal position, in the input video, of the left edge of the
> >> output
> >> +video. It defaults to @code{(in_w-out_w)/2}.
> >> +This expression is evaluated only once during the filter
> >> +configuration.
> >> +
> >> +@item y
> >> +The vertical position, in the input video, of the top edge of the
> output
> >> video.
> >> +It defaults to @code{(in_h-out_h)/2}.
> >> +This expression is evaluated only once during the filter
> >> +configuration.
> >> +@end table
> >> +
> >> @section cropdetect
> >>
> >> Auto-detect the crop size.
> >> diff --git a/libavfilter/Makefile b/libavfilter/Makefile
> >> index fef6ec5..84df037 100644
> >> --- a/libavfilter/Makefile
> >> +++ b/libavfilter/Makefile
> >> @@ -187,6 +187,7 @@ OBJS-$(CONFIG_COPY_FILTER) +=
> >> vf_copy.o
> >> OBJS-$(CONFIG_COREIMAGE_FILTER) += vf_coreimage.o
> >> OBJS-$(CONFIG_COVER_RECT_FILTER) += vf_cover_rect.o
> >> lavfutils.o
> >> OBJS-$(CONFIG_CROP_FILTER) += vf_crop.o
> >> +OBJS-$(CONFIG_CROP_CUDA_FILTER) += vf_crop_cuda.o
> >> vf_crop_cuda.ptx.o
> >> OBJS-$(CONFIG_CROPDETECT_FILTER) += vf_cropdetect.o
> >> OBJS-$(CONFIG_CUE_FILTER) += f_cue.o
> >> OBJS-$(CONFIG_CURVES_FILTER) += vf_curves.o
> >> diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
> >> index c51ae0f..550e545 100644
> >> --- a/libavfilter/allfilters.c
> >> +++ b/libavfilter/allfilters.c
> >> @@ -175,6 +175,7 @@ extern AVFilter ff_vf_copy;
> >> extern AVFilter ff_vf_coreimage;
> >> extern AVFilter ff_vf_cover_rect;
> >> extern AVFilter ff_vf_crop;
> >> +extern AVFilter ff_vf_crop_cuda;
> >> extern AVFilter ff_vf_cropdetect;
> >> extern AVFilter ff_vf_cue;
> >> extern AVFilter ff_vf_curves;
> >> diff --git a/libavfilter/version.h b/libavfilter/version.h
> >> index c71282c..5aa95f4 100644
> >> --- a/libavfilter/version.h
> >> +++ b/libavfilter/version.h
> >> @@ -31,7 +31,7 @@
> >>
> >> #define LIBAVFILTER_VERSION_MAJOR 7
> >> #define LIBAVFILTER_VERSION_MINOR 48
> >> -#define LIBAVFILTER_VERSION_MICRO 100
> >> +#define LIBAVFILTER_VERSION_MICRO 101
> >>
> >> #define LIBAVFILTER_VERSION_INT
> AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR,
> >> \
> >>
> LIBAVFILTER_VERSION_MINOR,
> >> \
> >> diff --git a/libavfilter/vf_crop_cuda.c b/libavfilter/vf_crop_cuda.c
> >> new file mode 100644
> >> index 0000000..fc6a2a6
> >> --- /dev/null
> >> +++ b/libavfilter/vf_crop_cuda.c
> >> @@ -0,0 +1,638 @@
> >> +/*
> >> +* Copyright (c) 2019, iQIYI CORPORATION. All rights reserved.
> >> +*
> >> +* Permission is hereby granted, free of charge, to any person
> obtaining a
> >> +* copy of this software and associated documentation files (the
> >> "Software"),
> >> +* to deal in the Software without restriction, including without
> >> limitation
> >> +* the rights to use, copy, modify, merge, publish, distribute,
> sublicense,
> >> +* and/or sell copies of the Software, and to permit persons to whom the
> >> +* Software is furnished to do so, subject to the following conditions:
> >> +*
> >> +* The above copyright notice and this permission notice shall be
> included
> >> in
> >> +* all copies or substantial portions of the Software.
> >> +*
> >> +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS
> >> OR
> >> +* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY,
> >> +* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
> SHALL
> >> +* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
> >> OTHER
> >> +* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> ARISING
> >> +* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> >> +* DEALINGS IN THE SOFTWARE.
> >> +*/
> >> +
> >> +#include <stdio.h>
> >> +#include <string.h>
> >> +
> >> +#include "libavutil/avstring.h"
> >> +#include "libavutil/common.h"
> >> +#include "libavutil/hwcontext.h"
> >> +#include "libavutil/hwcontext_cuda_internal.h"
> >> +#include "libavutil/cuda_check.h"
> >> +#include "libavutil/internal.h"
> >> +#include "libavutil/opt.h"
> >> +#include "libavutil/pixdesc.h"
> >> +#include "libavutil/eval.h"
> >> +
> >> +#include "avfilter.h"
> >> +#include "formats.h"
> >> +#include "internal.h"
> >> +#include "video.h"
> >> +
> >> +static const char *const var_names[] = {
> >> + "in_w", "iw", ///< width of the input video
> >> + "in_h", "ih", ///< height of the input video
> >> + "out_w", "ow", ///< width of the cropped video
> >> + "out_h", "oh", ///< height of the cropped video
> >> + "x",
> >> + "y",
> >> + NULL
> >> +};
> >> +
> >> +enum var_name {
> >> + VAR_IN_W, VAR_IW,
> >> + VAR_IN_H, VAR_IH,
> >> + VAR_OUT_W, VAR_OW,
> >> + VAR_OUT_H, VAR_OH,
> >> + VAR_X,
> >> + VAR_Y,
> >> + VAR_VARS_NB
> >> +};
> >> +
> >> +static const enum AVPixelFormat supported_formats[] = {
> >> + AV_PIX_FMT_YUV420P,
> >> + AV_PIX_FMT_NV12,
> >> + AV_PIX_FMT_YUV444P,
> >> + AV_PIX_FMT_P010,
> >> + AV_PIX_FMT_P016
> >> +};
> >> +
> >> +#define DIV_UP(a, b) ( ((a) + (b) - 1) / (b) )
> >> +#define ALIGN_UP(a, b) (((a) + (b) - 1) & ~((b) - 1))
> >> +#define NUM_BUFFERS 2
> >> +#define BLOCKX 32
> >> +#define BLOCKY 16
> >> +
> >> +#define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, s->hwctx->internal->cuda_dl,
> x)
> >> +
> >> +typedef struct CUDACropContext {
> >> + const AVClass *class;
> >> + AVCUDADeviceContext *hwctx;
> >> + enum AVPixelFormat in_fmt;
> >> + enum AVPixelFormat out_fmt;
> >> +
> >> + struct {
> >> + int width;
> >> + int height;
> >> + int left;
> >> + int top;
> >> + } planes_in[3], planes_out[3];
> >> +
> >> + AVBufferRef *frames_ctx;
> >> + AVFrame *frame;
> >> +
> >> + AVFrame *tmp_frame;
> >> + int passthrough;
> >> +
> >> + /**
> >> + * Output sw format. AV_PIX_FMT_NONE for no conversion.
> >> + */
> >> + enum AVPixelFormat format;
> >> +
> >> + int w,h,x,y;
> >> + char *w_expr, *h_expr, *x_expr, *y_expr;
> >> + double var_values[VAR_VARS_NB];
> >> +
> >> + CUcontext cu_ctx;
> >> + CUmodule cu_module;
> >> + CUfunction cu_func_uchar;
> >> + CUfunction cu_func_uchar2;
> >> + CUfunction cu_func_uchar4;
> >> + CUfunction cu_func_ushort;
> >> + CUfunction cu_func_ushort2;
> >> + CUfunction cu_func_ushort4;
> >> + CUstream cu_stream;
> >> +
> >> + CUdeviceptr srcBuffer;
> >> + CUdeviceptr dstBuffer;
> >> + int tex_alignment;
> >> +} CUDACropContext;
> >> +
> >> +static av_cold int cudacrop_init(AVFilterContext *ctx)
> >> +{
> >> + CUDACropContext *s = ctx->priv;
> >> +
> >> + s->format = AV_PIX_FMT_NONE;
> >> + s->frame = av_frame_alloc();
> >> + if (!s->frame)
> >> + return AVERROR(ENOMEM);
> >> +
> >> + s->tmp_frame = av_frame_alloc();
> >> + if (!s->tmp_frame)
> >> + return AVERROR(ENOMEM);
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static av_cold void cudacrop_uninit(AVFilterContext *ctx)
> >> +{
> >> + CUDACropContext *s = ctx->priv;
> >> +
> >> + av_frame_free(&s->frame);
> >> + av_buffer_unref(&s->frames_ctx);
> >> + av_frame_free(&s->tmp_frame);
> >> +}
> >> +
> >> +static int cudacrop_query_formats(AVFilterContext *ctx)
> >> +{
> >> + 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(ctx, pix_fmts);
> >> +}
> >> +
> >> +static av_cold int init_stage(CUDACropContext *s, AVBufferRef
> *device_ctx)
> >> +{
> >> + AVBufferRef *out_ref = NULL;
> >> + AVHWFramesContext *out_ctx;
> >> + int in_sw, in_sh, out_sw, out_sh;
> >> + int ret, i;
> >> +
> >> + av_pix_fmt_get_chroma_sub_sample(s->in_fmt, &in_sw, &in_sh);
> >> + av_pix_fmt_get_chroma_sub_sample(s->out_fmt, &out_sw, &out_sh);
> >> + if (!s->planes_out[0].width) {
> >> + s->planes_out[0].width = s->planes_in[0].width;
> >> + s->planes_out[0].height = s->planes_in[0].height;
> >> + s->planes_out[0].left = s->planes_in[0].left;
> >> + s->planes_out[0].top = s->planes_in[0].top;
> >> + }
> >> +
> >> + for (i = 1; i < FF_ARRAY_ELEMS(s->planes_in); i++) {
> >> + s->planes_in[i].width = s->planes_in[0].width >> in_sw;
> >> + s->planes_in[i].height = s->planes_in[0].height >> in_sh;
> >> + s->planes_in[i].left = s->planes_in[0].left >> in_sw;
> >> + s->planes_in[i].top = s->planes_in[0].top >> in_sh;
> >> + s->planes_out[i].width = s->planes_out[0].width >> out_sw;
> >> + s->planes_out[i].height = s->planes_out[0].height >> out_sh;
> >> + s->planes_out[i].left = 0;
> >> + s->planes_out[i].top = 0;
> >> +
> >> + }
> >> +
> >> + out_ref = av_hwframe_ctx_alloc(device_ctx);
> >> + if (!out_ref)
> >> + return AVERROR(ENOMEM);
> >> + out_ctx = (AVHWFramesContext*)out_ref->data;
> >> +
> >> + out_ctx->format = AV_PIX_FMT_CUDA;
> >> + out_ctx->sw_format = s->out_fmt;
> >> + out_ctx->width = FFALIGN(s->planes_out[0].width, 32);
> >> + out_ctx->height = FFALIGN(s->planes_out[0].height, 32);
> >> +
> >> + ret = av_hwframe_ctx_init(out_ref);
> >> + if (ret < 0)
> >> + goto fail;
> >> +
> >> + av_frame_unref(s->frame);
> >> + ret = av_hwframe_get_buffer(out_ref, s->frame, 0);
> >> + if (ret < 0)
> >> + goto fail;
> >> +
> >> + s->frame->width = s->planes_out[0].width;
> >> + s->frame->height = s->planes_out[0].height;
> >> +
> >> + av_buffer_unref(&s->frames_ctx);
> >> + s->frames_ctx = out_ref;
> >> +
> >> + return 0;
> >> +fail:
> >> + av_buffer_unref(&out_ref);
> >> + return ret;
> >> +}
> >> +
> >> +static int format_is_supported(enum AVPixelFormat fmt)
> >> +{
> >> + int i;
> >> +
> >> + for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++)
> >> + if (supported_formats[i] == fmt)
> >> + return 1;
> >> + return 0;
> >> +}
> >> +
> >> +static av_cold int init_processing_chain(AVFilterContext *ctx, int
> >> in_width, int in_height,
> >> + int out_width, int out_height,
> >> + int left, int top)
> >> +{
> >> + CUDACropContext *s = ctx->priv;
> >> +
> >> + AVHWFramesContext *in_frames_ctx;
> >> +
> >> + enum AVPixelFormat in_format;
> >> + enum AVPixelFormat out_format;
> >> + int ret;
> >> +
> >> + /* check that we have a hw context */
> >> + if (!ctx->inputs[0]->hw_frames_ctx) {
> >> + av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
> >> + return AVERROR(EINVAL);
> >> + }
> >> + in_frames_ctx =
> >> (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
> >> + in_format = in_frames_ctx->sw_format;
> >> + out_format = (s->format == AV_PIX_FMT_NONE) ? in_format :
> >> s->format;
> >> +
> >> + if (!format_is_supported(in_format)) {
> >> + av_log(ctx, AV_LOG_ERROR, "Unsupported input format: %s\n",
> >> + av_get_pix_fmt_name(in_format));
> >> + return AVERROR(ENOSYS);
> >> + }
> >> + if (!format_is_supported(out_format)) {
> >> + av_log(ctx, AV_LOG_ERROR, "Unsupported output format: %s\n",
> >> + av_get_pix_fmt_name(out_format));
> >> + return AVERROR(ENOSYS);
> >> + }
> >> +
> >> + if (in_width == out_width && in_height == out_height)
> >> + s->passthrough = 1;
> >> +
> >> + s->in_fmt = in_format;
> >> + s->out_fmt = out_format;
> >> +
> >> + s->planes_in[0].width = in_width;
> >> + s->planes_in[0].height = in_height;
> >> + s->planes_in[0].left = left;
> >> + s->planes_in[0].top = top;
> >> + s->planes_out[0].width = out_width;
> >> + s->planes_out[0].height = out_height;
> >> + s->planes_out[0].left = 0;
> >> + s->planes_out[0].top = 0;
> >> +
> >> + ret = init_stage(s, in_frames_ctx->device_ref);
> >> + if (ret < 0)
> >> + return ret;
> >> +
> >> + ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->frames_ctx);
> >> + if (!ctx->outputs[0]->hw_frames_ctx)
> >> + return AVERROR(ENOMEM);
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static inline int normalize_double(int *n, double d)
> >> +{
> >> + int ret = 0;
> >> +
> >> + if (isnan(d))
> >> + ret = AVERROR(EINVAL);
> >> + else if (d > INT_MAX || d < INT_MIN) {
> >> + *n = d > INT_MAX ? INT_MAX : INT_MIN;
> >> + ret = AVERROR(EINVAL);
> >> + } else
> >> + *n = lrint(d);
> >> +
> >> + return ret;
> >> +}
> >> +
> >> +static av_cold int cudacrop_config_input(AVFilterLink *inlink)
> >> +{
> >> + AVFilterContext *ctx = inlink->dst;
> >> + CUDACropContext *s = ctx->priv;
> >> + double res;
> >> + int ret;
> >> +
> >> + s->var_values[VAR_IN_W] = s->var_values[VAR_IW] = inlink->w;
> >> + s->var_values[VAR_IN_H] = s->var_values[VAR_IH] = inlink->h;
> >> + s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = NAN;
> >> + s->var_values[VAR_OUT_H] = s->var_values[VAR_OH] = NAN;
> >> + s->var_values[VAR_X] = NAN;
> >> + s->var_values[VAR_Y] = NAN;
> >> + if ((ret = av_expr_parse_and_eval(&res, s->w_expr,
> >> + var_names, s->var_values,
> >> + NULL, NULL, NULL, NULL, NULL, 0,
> >> ctx)) < 0)
> >> + goto fail;
> >> + s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = res;
> >> + if ((ret = av_expr_parse_and_eval(&res, s->h_expr,
> >> + var_names, s->var_values,
> >> + NULL, NULL, NULL, NULL, NULL, 0,
> >> ctx)) < 0)
> >> + goto fail;
> >> + s->var_values[VAR_OUT_H] = s->var_values[VAR_OH] = res;
> >> + if ((ret = av_expr_parse_and_eval(&res, s->x_expr,
> >> + var_names, s->var_values,
> >> + NULL, NULL, NULL, NULL, NULL, 0,
> >> ctx)) < 0)
> >> + goto fail;
> >> + s->var_values[VAR_X] = res;
> >> + if ((ret = av_expr_parse_and_eval(&res, s->y_expr,
> >> + var_names, s->var_values,
> >> + NULL, NULL, NULL, NULL, NULL, 0,
> >> ctx)) < 0)
> >> + goto fail;
> >> + s->var_values[VAR_Y] = res;
> >> + if (normalize_double(&s->w, s->var_values[VAR_OW]) < 0 ||
> >> + normalize_double(&s->h, s->var_values[VAR_OH]) < 0 ||
> >> + normalize_double(&s->x, s->var_values[VAR_X]) < 0 ||
> >> + normalize_double(&s->y, s->var_values[VAR_Y]) < 0) {
> >> + av_log(ctx, AV_LOG_ERROR,
> >> + "Too big value or invalid expression for out_w/ow or
> >> out_h/oh or x or y");
> >> + return AVERROR(EINVAL);
> >> + }
> >> +
> >> +fail:
> >> + return ret;
> >> +}
> >> +
> >> +static av_cold int cudacrop_config_output(AVFilterLink *outlink)
> >> +{
> >> + AVFilterContext *ctx = outlink->src;
> >> + AVFilterLink *inlink = outlink->src->inputs[0];
> >> + CUDACropContext *s = ctx->priv;
> >> + AVHWFramesContext *frames_ctx =
> >> (AVHWFramesContext*)inlink->hw_frames_ctx->data;
> >> + AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
> >> + CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
> >> + CudaFunctions *cu = device_hwctx->internal->cuda_dl;
> >> + int ret;
> >> +
> >> + extern char vf_crop_cuda_ptx[];
> >> +
> >> + s->hwctx = device_hwctx;
> >> + s->cu_stream = s->hwctx->stream;
> >> +
> >> + ret = CHECK_CU(cu->cuCtxPushCurrent(cuda_ctx));
> >> + if (ret < 0)
> >> + goto fail;
> >> +
> >> + ret = CHECK_CU(cu->cuModuleLoadData(&s->cu_module,
> vf_crop_cuda_ptx));
> >> + if (ret < 0)
> >> + goto fail;
> >> +
> >> + CHECK_CU(cu->cuModuleGetFunction(&s->cu_func_uchar, s->cu_module,
> >> "Crop_uchar"));
> >> + if (ret < 0)
> >> + goto fail;
> >> + CHECK_CU(cu->cuModuleGetFunction(&s->cu_func_uchar2, s->cu_module,
> >> "Crop_uchar2"));
> >> + if (ret < 0)
> >> + goto fail;
> >> + CHECK_CU(cu->cuModuleGetFunction(&s->cu_func_uchar4, s->cu_module,
> >> "Crop_uchar4"));
> >> + if (ret < 0)
> >> + goto fail;
> >> + CHECK_CU(cu->cuModuleGetFunction(&s->cu_func_ushort, s->cu_module,
> >> "Crop_ushort"));
> >> + if (ret < 0)
> >> + goto fail;
> >> + CHECK_CU(cu->cuModuleGetFunction(&s->cu_func_ushort2, s->cu_module,
> >> "Crop_ushort2"));
> >> + if (ret < 0)
> >> + goto fail;
> >> + CHECK_CU(cu->cuModuleGetFunction(&s->cu_func_ushort4, s->cu_module,
> >> "Crop_ushort4"));
> >> + if (ret < 0)
> >> + goto fail;
> >> +
> >> + CHECK_CU(cu->cuCtxPopCurrent(&dummy));
> >> +
> >> + outlink->w = s->w;
> >> + outlink->h = s->h;
> >> +
> >> + ret = init_processing_chain(ctx, inlink->w, inlink->h, s->w, s->h,
> >> s->x, s->y);
> >> + if (ret < 0)
> >> + return ret;
> >> +
> >> + if (inlink->sample_aspect_ratio.num) {
> >> + outlink->sample_aspect_ratio =
> >> av_mul_q((AVRational){outlink->h*inlink->w,
> >> +
> >> outlink->w*inlink->h},
> >> +
> >> inlink->sample_aspect_ratio);
> >> + } else {
> >> + outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
> >> + }
> >> +
> >> + return 0;
> >> +
> >> +fail:
> >> + return ret;
> >> +}
> >> +
> >> +static int call_crop_kernel(AVFilterContext *ctx, CUfunction func, int
> >> channels,
> >> + uint8_t *src_dptr, int src_width, int
> >> src_height, int src_pitch,
> >> + uint8_t *dst_dptr, int dst_width, int
> >> dst_height, int dst_pitch,
> >> + int left, int top, int pixel_size)
> >> +{
> >> + CUDACropContext *s = ctx->priv;
> >> + CudaFunctions *cu = s->hwctx->internal->cuda_dl;
> >> + CUdeviceptr dst_devptr = (CUdeviceptr)dst_dptr;
> >> + CUtexObject tex = 0;
> >> + void *args_uchar[] = { &tex, &dst_devptr, &dst_width, &dst_height,
> >> &dst_pitch, &left, &top };
> >> + int ret;
> >> +
> >> + CUDA_TEXTURE_DESC tex_desc = {
> >> + .filterMode = CU_TR_FILTER_MODE_LINEAR,
> >> + .flags = CU_TRSF_READ_AS_INTEGER,
> >> + };
> >> +
> >> + CUDA_RESOURCE_DESC res_desc = {
> >> + .resType = CU_RESOURCE_TYPE_PITCH2D,
> >> + .res.pitch2D.format = pixel_size == 1 ?
> >> + CU_AD_FORMAT_UNSIGNED_INT8 :
> >> + CU_AD_FORMAT_UNSIGNED_INT16,
> >> + .res.pitch2D.numChannels = channels,
> >> + .res.pitch2D.width = src_width,
> >> + .res.pitch2D.height = src_height,
> >> + .res.pitch2D.pitchInBytes = src_pitch,
> >> + .res.pitch2D.devPtr = (CUdeviceptr)src_dptr,
> >> + };
> >> +
> >> + ret = CHECK_CU(cu->cuTexObjectCreate(&tex, &res_desc, &tex_desc,
> >> NULL));
> >> + if (ret < 0)
> >> + goto exit;
> >> +
> >> + ret = CHECK_CU(cu->cuLaunchKernel(func, DIV_UP(dst_width, BLOCKX),
> >> DIV_UP(dst_height, BLOCKY), 1, BLOCKX, BLOCKY, 1, 0, s->cu_stream,
> >> args_uchar, NULL));
> >> +
> >> +exit:
> >> + if (tex)
> >> + CHECK_CU(cu->cuTexObjectDestroy(tex));
> >> + return ret;
> >> +}
> >> +
> >> +static int cropcuda_crop_internal(AVFilterContext *ctx,
> >> + AVFrame *out, AVFrame *in)
> >> +{
> >> + AVHWFramesContext *in_frames_ctx =
> >> (AVHWFramesContext*)in->hw_frames_ctx->data;
> >> + CUDACropContext *s = ctx->priv;
> >> +
> >> + switch (in_frames_ctx->sw_format) {
> >> + case AV_PIX_FMT_YUV420P:
> >> + call_crop_kernel(ctx, s->cu_func_uchar, 1,
> >> + in->data[0], in->width, in->height,
> >> in->linesize[0],
> >> + out->data[0], out->width, out->height,
> >> out->linesize[0],
> >> + s->planes_in[0].left, s->planes_in[0].top,
> 1);
> >> + call_crop_kernel(ctx, s->cu_func_uchar, 1,
> >> + in->data[0]+in->linesize[0]*in->height,
> >> in->width/2, in->height/2, in->linesize[0]/2,
> >> + out->data[0]+out->linesize[0]*out->height,
> >> out->width/2, out->height/2, out->linesize[0]/2,
> >> + s->planes_in[1].left, s->planes_in[1].top,
> 1);
> >> + call_crop_kernel(ctx, s->cu_func_uchar, 1,
> >> + in->data[0]+
> >> ALIGN_UP((in->linesize[0]*in->height*5)/4, s->tex_alignment),
> in->width/2,
> >> in->height/2, in->linesize[0]/2,
> >> +
> >> out->data[0]+(out->linesize[0]*out->height*5)/4, out->width/2,
> >> out->height/2, out->linesize[0]/2,
> >> + s->planes_in[2].left, s->planes_in[2].top,
> 1);
> >> + break;
> >> + case AV_PIX_FMT_YUV444P:
> >> + call_crop_kernel(ctx, s->cu_func_uchar, 1,
> >> + in->data[0], in->width, in->height,
> >> in->linesize[0],
> >> + out->data[0], out->width, out->height,
> >> out->linesize[0],
> >> + s->planes_in[0].left, s->planes_in[0].top,
> 1);
> >> + call_crop_kernel(ctx, s->cu_func_uchar, 1,
> >> + in->data[0]+in->linesize[0]*in->height,
> >> in->width, in->height, in->linesize[0],
> >> + out->data[0]+out->linesize[0]*out->height,
> >> out->width, out->height, out->linesize[0],
> >> + s->planes_in[1].left, s->planes_in[1].top,
> 1);
> >> + call_crop_kernel(ctx, s->cu_func_uchar, 1,
> >> + in->data[0]+in->linesize[0]*in->height*2,
> >> in->width, in->height, in->linesize[0],
> >> + out->data[0]+out->linesize[0]*out->height*2,
> >> out->width, out->height, out->linesize[0],
> >> + s->planes_in[2].left, s->planes_in[2].top,
> 1);
> >> + break;
> >> + case AV_PIX_FMT_NV12:
> >> + call_crop_kernel(ctx, s->cu_func_uchar, 1,
> >> + in->data[0], in->width, in->height,
> >> in->linesize[0],
> >> + out->data[0], out->width, out->height,
> >> out->linesize[0],
> >> + s->planes_in[0].left, s->planes_in[0].top,
> 1);
> >> + call_crop_kernel(ctx, s->cu_func_uchar2, 2,
> >> + in->data[1], in->width/2, in->height/2,
> >> in->linesize[1],
> >> + out->data[0] + out->linesize[0] *
> >> ((out->height + 31) & ~0x1f), out->width/2, out->height/2,
> >> out->linesize[1]/2,
> >> + s->planes_in[1].left, s->planes_in[1].top,
> 1);
> >> + break;
> >> + case AV_PIX_FMT_P010LE:
> >> + call_crop_kernel(ctx, s->cu_func_ushort, 1,
> >> + in->data[0], in->width, in->height,
> >> in->linesize[0]/2,
> >> + out->data[0], out->width, out->height,
> >> out->linesize[0]/2,
> >> + s->planes_in[0].left, s->planes_in[0].top,
> 2);
> >> + call_crop_kernel(ctx, s->cu_func_ushort2, 2,
> >> + in->data[1], in->width / 2, in->height / 2,
> >> in->linesize[1]/2,
> >> + out->data[0] + out->linesize[0] *
> >> ((out->height + 31) & ~0x1f), out->width / 2, out->height / 2,
> >> out->linesize[1] / 4,
> >> + s->planes_in[1].left, s->planes_in[1].top,
> 2);
> >> + break;
> >> + case AV_PIX_FMT_P016LE:
> >> + call_crop_kernel(ctx, s->cu_func_ushort, 1,
> >> + in->data[0], in->width, in->height,
> >> in->linesize[0] / 2,
> >> + out->data[0], out->width, out->height,
> >> out->linesize[0] / 2,
> >> + s->planes_in[0].left, s->planes_in[0].top,
> 2);
> >> + call_crop_kernel(ctx, s->cu_func_ushort2, 2,
> >> + in->data[1], in->width / 2, in->height / 2,
> >> in->linesize[1] / 2,
> >> + out->data[0] + out->linesize[0] *
> >> ((out->height + 31) & ~0x1f), out->width / 2, out->height / 2,
> >> out->linesize[1] / 4,
> >> + s->planes_in[1].left, s->planes_in[1].top,
> 2);
> >> + break;
> >> + default:
> >> + return AVERROR_BUG;
> >> + }
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static int cudacrop_crop(AVFilterContext *ctx, AVFrame *out, AVFrame
> *in)
> >> +{
> >> + CUDACropContext *s = ctx->priv;
> >> + AVFrame *src = in;
> >> + int ret;
> >> +
> >> + ret = cropcuda_crop_internal(ctx, s->frame, src);
> >> + if (ret < 0)
> >> + return ret;
> >> +
> >> + src = s->frame;
> >> + ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0);
> >> + if (ret < 0)
> >> + return ret;
> >> +
> >> + av_frame_move_ref(out, s->frame);
> >> + av_frame_move_ref(s->frame, s->tmp_frame);
> >> +
> >> + ret = av_frame_copy_props(out, in);
> >> + if (ret < 0)
> >> + return ret;
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static int cudacrop_filter_frame(AVFilterLink *link, AVFrame *in)
> >> +{
> >> + AVFilterContext *ctx = link->dst;
> >> + CUDACropContext *s = ctx->priv;
> >> + AVFilterLink *outlink = ctx->outputs[0];
> >> + CudaFunctions *cu = s->hwctx->internal->cuda_dl;
> >> +
> >> + AVFrame *out = NULL;
> >> + CUcontext dummy;
> >> + int ret = 0;
> >> +
> >> + out = av_frame_alloc();
> >> + if (!out) {
> >> + ret = AVERROR(ENOMEM);
> >> + goto fail;
> >> + }
> >> +
> >> + ret = CHECK_CU(cu->cuCtxPushCurrent(s->hwctx->cuda_ctx));
> >> + if (ret < 0)
> >> + goto fail;
> >> +
> >> + ret = cudacrop_crop(ctx, out, in);
> >> +
> >> + CHECK_CU(cu->cuCtxPopCurrent(&dummy));
> >> + if (ret < 0)
> >> + goto fail;
> >> +
> >> + av_reduce(&out->sample_aspect_ratio.num,
> >> &out->sample_aspect_ratio.den,
> >> + (int64_t)in->sample_aspect_ratio.num * outlink->h *
> link->w,
> >> + (int64_t)in->sample_aspect_ratio.den * outlink->w *
> link->h,
> >> + INT_MAX);
> >> +
> >> + av_frame_free(&in);
> >> + return ff_filter_frame(outlink, out);
> >> +fail:
> >> + av_frame_free(&in);
> >> + av_frame_free(&out);
> >> + return ret;
> >> +}
> >> +
> >> +#define OFFSET(x) offsetof(CUDACropContext, x)
> >> +#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
> >> +static const AVOption options[] = {
> >> + { "w", "set the width crop area expression", OFFSET(w_expr),
> >> AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
> >> + { "h", "set the height crop area expression", OFFSET(h_expr),
> >> AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
> >> + { "x", "set the x crop area expression", OFFSET(x_expr),
> >> AV_OPT_TYPE_STRING, { .str = "(in_w-out_w)/2"}, .flags = FLAGS },
> >> + { "y", "set the y crop area expression", OFFSET(y_expr),
> >> AV_OPT_TYPE_STRING, { .str = "(in_h-out_h)/2"}, .flags = FLAGS },
> >> + { NULL },
> >> +};
> >> +
> >> +static const AVClass cudacrop_class = {
> >> + .class_name = "cudacrop",
> >> + .item_name = av_default_item_name,
> >> + .option = options,
> >> + .version = LIBAVUTIL_VERSION_INT,
> >> +};
> >> +
> >> +static const AVFilterPad cudacrop_inputs[] = {
> >> + {
> >> + .name = "default",
> >> + .type = AVMEDIA_TYPE_VIDEO,
> >> + .filter_frame = cudacrop_filter_frame,
> >> + .config_props = cudacrop_config_input,
> >> + },
> >> + { NULL }
> >> +};
> >> +
> >> +static const AVFilterPad cudacrop_outputs[] = {
> >> + {
> >> + .name = "default",
> >> + .type = AVMEDIA_TYPE_VIDEO,
> >> + .config_props = cudacrop_config_output,
> >> + },
> >> + { NULL }
> >> +};
> >> +
> >> +AVFilter ff_vf_crop_cuda = {
> >> + .name = "crop_cuda",
> >> + .description = NULL_IF_CONFIG_SMALL("GPU accelerated video crop"),
> >> +
> >> + .init = cudacrop_init,
> >> + .uninit = cudacrop_uninit,
> >> + .query_formats = cudacrop_query_formats,
> >> +
> >> + .priv_size = sizeof(CUDACropContext),
> >> + .priv_class = &cudacrop_class,
> >> +
> >> + .inputs = cudacrop_inputs,
> >> + .outputs = cudacrop_outputs,
> >> +
> >> + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
> >> +};
> >> diff --git a/libavfilter/vf_crop_cuda.cu b/libavfilter/vf_crop_cuda.cu
> >> new file mode 100644
> >> index 0000000..4b94b73
> >> --- /dev/null
> >> +++ b/libavfilter/vf_crop_cuda.cu
> >> @@ -0,0 +1,109 @@
> >> +/*
> >> + * Copyright (c) 2019, iQIYI CORPORATION. All rights reserved.
> >> + *
> >> + * Permission is hereby granted, free of charge, to any person
> obtaining a
> >> + * copy of this software and associated documentation files (the
> >> "Software"),
> >> + * to deal in the Software without restriction, including without
> >> limitation
> >> + * the rights to use, copy, modify, merge, publish, distribute,
> >> sublicense,
> >> + * and/or sell copies of the Software, and to permit persons to whom
> the
> >> + * Software is furnished to do so, subject to the following conditions:
> >> + *
> >> + * The above copyright notice and this permission notice shall be
> >> included in
> >> + * all copies or substantial portions of the Software.
> >> + *
> >> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> >> EXPRESS OR
> >> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> >> MERCHANTABILITY,
> >> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
> >> SHALL
> >> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
> >> OTHER
> >> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> ARISING
> >> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> >> + * DEALINGS IN THE SOFTWARE.
> >> + */
> >> +
> >> +extern "C" {
> >> +
> >> +__global__ void Crop_uchar(cudaTextureObject_t uchar_tex,
> >> + unsigned char *dst,
> >> + int dst_width, int dst_height, int
> dst_pitch,
> >> + int left, int top)
> >> +{
> >> + int xo = blockIdx.x * blockDim.x + threadIdx.x;
> >> + int yo = blockIdx.y * blockDim.y + threadIdx.y;
> >> + int xi = xo + left;
> >> + int yi = yo + top;
> >> +
> >> + if (yo < dst_height && xo < dst_width)
> >> + dst[yo*dst_pitch+xo] = (unsigned char) tex2D<unsigned
> >> char>(uchar_tex, xi, yi);
> >> +}
> >> +
> >> +__global__ void Crop_uchar2(cudaTextureObject_t uchar2_tex,
> >> + uchar2 *dst,
> >> + int dst_width, int dst_height, int
> dst_pitch,
> >> + int left, int top)
> >> +{
> >> + int xo = blockIdx.x * blockDim.x + threadIdx.x;
> >> + int yo = blockIdx.y * blockDim.y + threadIdx.y;
> >> + int xi = xo + left;
> >> + int yi = yo + top;
> >> +
> >> + if (yo < dst_height && xo < dst_width)
> >> + dst[yo*dst_pitch+xo] = (uchar2) tex2D<uchar2>(uchar2_tex, xi,
> yi);
> >> +}
> >> +
> >> +__global__ void Crop_uchar4(cudaTextureObject_t uchar4_tex,
> >> + uchar4 *dst,
> >> + int dst_width, int dst_height, int
> dst_pitch,
> >> + int left, int top)
> >> +{
> >> + int xo = blockIdx.x * blockDim.x + threadIdx.x;
> >> + int yo = blockIdx.y * blockDim.y + threadIdx.y;
> >> + int xi = xo + left;
> >> + int yi = yo + top;
> >> +
> >> + if (yo < dst_height && xo < dst_width)
> >> + dst[yo*dst_pitch+xo] = (uchar4) tex2D<uchar4>(uchar4_tex, xi,
> yi);
> >> +}
> >> +
> >> +__global__ void Crop_ushort(cudaTextureObject_t ushort_tex,
> >> + unsigned short *dst,
> >> + int dst_width, int dst_height, int
> dst_pitch,
> >> + int left, int top)
> >> +{
> >> + int xo = blockIdx.x * blockDim.x + threadIdx.x;
> >> + int yo = blockIdx.y * blockDim.y + threadIdx.y;
> >> + int xi = xo + left;
> >> + int yi = yo + top;
> >> +
> >> + if (yo < dst_height && xo < dst_width)
> >> + dst[yo*dst_pitch+xo] = (unsigned short) tex2D<unsigned
> >> short>(ushort_tex, xi, yi);
> >> +}
> >> +
> >> +__global__ void Crop_ushort2(cudaTextureObject_t ushort2_tex,
> >> + ushort2 *dst,
> >> + int dst_width, int dst_height, int
> dst_pitch,
> >> + int left, int top)
> >> +{
> >> + int xo = blockIdx.x * blockDim.x + threadIdx.x;
> >> + int yo = blockIdx.y * blockDim.y + threadIdx.y;
> >> + int xi = xo + left;
> >> + int yi = yo + top;
> >> +
> >> + if (yo < dst_height && xo < dst_width)
> >> + dst[yo*dst_pitch+xo] = (ushort2) tex2D<ushort2>(ushort2_tex,
> xi,
> >> yi);
> >> +}
> >> +
> >> +__global__ void Crop_ushort4(cudaTextureObject_t ushort4_tex,
> >> + ushort4 *dst,
> >> + int dst_width, int dst_height, int
> dst_pitch,
> >> + int left, int top)
> >> +{
> >> + int xo = blockIdx.x * blockDim.x + threadIdx.x;
> >> + int yo = blockIdx.y * blockDim.y + threadIdx.y;
> >> + int xi = xo + left;
> >> + int yi = yo + top;
> >> +
> >> + if (yo < dst_height && xo < dst_width)
> >> + dst[yo*dst_pitch+xo] = (ushort4) tex2D<ushort4>(ushort4_tex,
> xi,
> >> yi);
> >> +}
> >> +
> >> +}
> >> --
> >> 1.8.3.1
> >>
> >>
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel@ffmpeg.org
> > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> >
> > To unsubscribe, visit link above, or email
> > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
>
> Thanks
> Steven
>
>
>
>
>
> _______________________________________________
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>
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