[FFmpeg-devel] [PATCH] Add GPU accelerated video crop filter
UsingtcNower
nowerzt at gmail.com
Sat Mar 23 14:15:33 EET 2019
Signed-off-by: UsingtcNower <nowerzt at gmail.com>
---
Changelog | 1 +
configure | 1 +
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/version.h | 2 +-
libavfilter/vf_crop_cuda.c | 638 ++++++++++++++++++++++++++++++++++++++++++++
libavfilter/vf_crop_cuda.cu | 109 ++++++++
7 files changed, 752 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/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
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