@@ -41,6 +41,7 @@ version <next>:
- decoding S12M timecode in h264
- xstack filter
- pcm vidc decoder and encoder
+- yadif_cuda filter
version 4.0:
@@ -3481,6 +3481,7 @@ zscale_filter_deps="libzimg const_nan"
scale_vaapi_filter_deps="vaapi"
vpp_qsv_filter_deps="libmfx"
vpp_qsv_filter_select="qsvvpp"
+yadif_cuda_filter_deps="cuda_sdk"
# examples
avio_dir_cmd_deps="avformat avutil"
@@ -17862,6 +17862,64 @@ filter").
It accepts the following parameters:
+@table @option
+
+@item mode
+The interlacing mode to adopt. It accepts one of the following values:
+
+@table @option
+@item 0, send_frame
+Output one frame for each frame.
+@item 1, send_field
+Output one frame for each field.
+@item 2, send_frame_nospatial
+Like @code{send_frame}, but it skips the spatial interlacing check.
+@item 3, send_field_nospatial
+Like @code{send_field}, but it skips the spatial interlacing check.
+@end table
+
+The default value is @code{send_frame}.
+
+@item parity
+The picture field parity assumed for the input interlaced video. It accepts one
+of the following values:
+
+@table @option
+@item 0, tff
+Assume the top field is first.
+@item 1, bff
+Assume the bottom field is first.
+@item -1, auto
+Enable automatic detection of field parity.
+@end table
+
+The default value is @code{auto}.
+If the interlacing is unknown or the decoder does not export this information,
+top field first will be assumed.
+
+@item deint
+Specify which frames to deinterlace. Accept one of the following
+values:
+
+@table @option
+@item 0, all
+Deinterlace all frames.
+@item 1, interlaced
+Only deinterlace frames marked as interlaced.
+@end table
+
+The default value is @code{all}.
+@end table
+
+@section yadif_cuda
+
+Deinterlace the input video using the @ref{yadif} algorithm, but implemented
+in CUDA so that it can work as part of a GPU accelerated pipeline with nvdec
+and/or nvenc.
+
+It accepts the following parameters:
+
+
@table @option
@item mode
@@ -407,6 +407,7 @@ OBJS-$(CONFIG_WEAVE_FILTER) += vf_weave.o
OBJS-$(CONFIG_XBR_FILTER) += vf_xbr.o
OBJS-$(CONFIG_XSTACK_FILTER) += vf_stack.o framesync.o
OBJS-$(CONFIG_YADIF_FILTER) += vf_yadif.o yadif_common.o
+OBJS-$(CONFIG_YADIF_CUDA_FILTER) += vf_yadif_cuda.o vf_yadif_cuda.ptx.o yadif_common.o
OBJS-$(CONFIG_ZMQ_FILTER) += f_zmq.o
OBJS-$(CONFIG_ZOOMPAN_FILTER) += vf_zoompan.o
OBJS-$(CONFIG_ZSCALE_FILTER) += vf_zscale.o
@@ -388,6 +388,7 @@ extern AVFilter ff_vf_weave;
extern AVFilter ff_vf_xbr;
extern AVFilter ff_vf_xstack;
extern AVFilter ff_vf_yadif;
+extern AVFilter ff_vf_yadif_cuda;
extern AVFilter ff_vf_zmq;
extern AVFilter ff_vf_zoompan;
extern AVFilter ff_vf_zscale;
@@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFILTER_VERSION_MAJOR 7
-#define LIBAVFILTER_VERSION_MINOR 38
+#define LIBAVFILTER_VERSION_MINOR 39
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
new file mode 100644
@@ -0,0 +1,426 @@
+/*
+ * Copyright (C) 2018 Philip Langdale <philipl@overt.org>
+ *
+ * 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
+ */
+
+#include <cuda.h>
+#include "libavutil/avassert.h"
+#include "libavutil/hwcontext_cuda.h"
+#include "internal.h"
+#include "yadif.h"
+
+extern char vf_yadif_cuda_ptx[];
+
+typedef struct DeintCUDAContext {
+ YADIFContext yadif;
+
+ AVCUDADeviceContext *hwctx;
+ AVBufferRef *device_ref;
+ AVBufferRef *input_frames_ref;
+ AVHWFramesContext *input_frames;
+
+ CUcontext cu_ctx;
+ CUstream stream;
+ CUmodule cu_module;
+ CUfunction cu_func_uchar;
+ CUfunction cu_func_uchar2;
+ CUfunction cu_func_ushort;
+ CUfunction cu_func_ushort2;
+} DeintCUDAContext;
+
+#define DIV_UP(a, b) ( ((a) + (b) - 1) / (b) )
+#define ALIGN_UP(a, b) (((a) + (b) - 1) & ~((b) - 1))
+#define BLOCKX 32
+#define BLOCKY 16
+
+static int check_cu(AVFilterContext *avctx, CUresult err, const char *func)
+{
+ const char *err_name;
+ const char *err_string;
+
+ av_log(avctx, AV_LOG_TRACE, "Calling %s\n", func);
+
+ if (err == CUDA_SUCCESS)
+ return 0;
+
+ cuGetErrorName(err, &err_name);
+ cuGetErrorString(err, &err_string);
+
+ av_log(avctx, AV_LOG_ERROR, "%s failed", func);
+ if (err_name && err_string)
+ av_log(avctx, AV_LOG_ERROR, " -> %s: %s", err_name, err_string);
+ av_log(avctx, AV_LOG_ERROR, "\n");
+
+ return AVERROR_EXTERNAL;
+}
+
+#define CHECK_CU(x) check_cu(ctx, (x), #x)
+
+static CUresult call_kernel(AVFilterContext *ctx, CUfunction func,
+ CUdeviceptr prev, CUdeviceptr cur, CUdeviceptr next,
+ CUarray_format format, int channels,
+ int src_width, // Width is pixels per channel
+ int src_height, // Height is pixels per channel
+ int src_pitch, // Pitch is bytes
+ CUdeviceptr dst,
+ int dst_width, // Width is pixels per channel
+ int dst_height, // Height is pixels per channel
+ int dst_pitch, // Pitch is pixels per channel
+ int parity, int tff)
+{
+ DeintCUDAContext *s = ctx->priv;
+ CUtexObject tex_prev = 0, tex_cur = 0, tex_next = 0;
+ CUresult err;
+ int skip_spatial_check = s->yadif.mode&2;
+
+ void *args[] = { &dst, &tex_prev, &tex_cur, &tex_next,
+ &dst_width, &dst_height, &dst_pitch,
+ &src_width, &src_height, &parity, &tff,
+ &skip_spatial_check };
+
+ CUDA_TEXTURE_DESC tex_desc = {
+ .filterMode = CU_TR_FILTER_MODE_POINT,
+ .flags = CU_TRSF_READ_AS_INTEGER,
+ };
+
+ CUDA_RESOURCE_DESC res_desc = {
+ .resType = CU_RESOURCE_TYPE_PITCH2D,
+ .res.pitch2D.format = format,
+ .res.pitch2D.numChannels = channels,
+ .res.pitch2D.width = src_width,
+ .res.pitch2D.height = src_height,
+ .res.pitch2D.pitchInBytes = src_pitch,
+ };
+
+ res_desc.res.pitch2D.devPtr = (CUdeviceptr)prev;
+ err = CHECK_CU(cuTexObjectCreate(&tex_prev, &res_desc, &tex_desc, NULL));
+ if (err != CUDA_SUCCESS) {
+ goto exit;
+ }
+
+ res_desc.res.pitch2D.devPtr = (CUdeviceptr)cur;
+ err = CHECK_CU(cuTexObjectCreate(&tex_cur, &res_desc, &tex_desc, NULL));
+ if (err != CUDA_SUCCESS) {
+ goto exit;
+ }
+
+ res_desc.res.pitch2D.devPtr = (CUdeviceptr)next;
+ err = CHECK_CU(cuTexObjectCreate(&tex_next, &res_desc, &tex_desc, NULL));
+ if (err != CUDA_SUCCESS) {
+ goto exit;
+ }
+
+ err = CHECK_CU(cuLaunchKernel(func,
+ DIV_UP(dst_width, BLOCKX), DIV_UP(dst_height, BLOCKY), 1,
+ BLOCKX, BLOCKY, 1,
+ 0, s->stream, args, NULL));
+
+exit:
+ if (tex_prev)
+ CHECK_CU(cuTexObjectDestroy(tex_prev));
+ if (tex_cur)
+ CHECK_CU(cuTexObjectDestroy(tex_cur));
+ if (tex_next)
+ CHECK_CU(cuTexObjectDestroy(tex_next));
+
+ return err;
+}
+
+static void filter(AVFilterContext *ctx, AVFrame *dst,
+ int parity, int tff)
+{
+ DeintCUDAContext *s = ctx->priv;
+ YADIFContext *y = &s->yadif;
+ CUcontext dummy;
+ CUresult err;
+ int i;
+
+ err = CHECK_CU(cuCtxPushCurrent(s->cu_ctx));
+ if (err != CUDA_SUCCESS) {
+ goto exit;
+ }
+
+ for (i = 0; i < y->csp->nb_components; i++) {
+ CUfunction func;
+ CUarray_format format;
+ int pixel_size, channels;
+ const AVComponentDescriptor *comp = &y->csp->comp[i];
+
+ if (comp->plane < i) {
+ // We process planes as a whole, so don't reprocess
+ // them for additional components
+ continue;
+ }
+
+ pixel_size = (comp->depth + comp->shift) / 8;
+ channels = comp->step / pixel_size;
+ if (pixel_size > 2 || channels > 2) {
+ av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format: %s\n", y->csp->name);
+ goto exit;
+ }
+ switch (pixel_size) {
+ case 1:
+ func = channels == 1 ? s->cu_func_uchar : s->cu_func_uchar2;
+ format = CU_AD_FORMAT_UNSIGNED_INT8;
+ break;
+ case 2:
+ func = channels == 1 ? s->cu_func_ushort : s->cu_func_ushort2;
+ format = CU_AD_FORMAT_UNSIGNED_INT16;
+ break;
+ default:
+ av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format: %s\n", y->csp->name);
+ goto exit;
+ }
+ av_log(ctx, AV_LOG_TRACE,
+ "Deinterlacing plane %d: pixel_size: %d channels: %d\n",
+ comp->plane, pixel_size, channels);
+ call_kernel(ctx, func,
+ (CUdeviceptr)y->prev->data[i],
+ (CUdeviceptr)y->cur->data[i],
+ (CUdeviceptr)y->next->data[i],
+ format, channels,
+ AV_CEIL_RSHIFT(y->cur->width, i ? y->csp->log2_chroma_w : 0),
+ AV_CEIL_RSHIFT(y->cur->height, i ? y->csp->log2_chroma_h : 0),
+ y->cur->linesize[i],
+ (CUdeviceptr)dst->data[i],
+ AV_CEIL_RSHIFT(dst->width, i ? y->csp->log2_chroma_w : 0),
+ AV_CEIL_RSHIFT(dst->height, i ? y->csp->log2_chroma_h : 0),
+ dst->linesize[i] / comp->step,
+ parity, tff);
+ }
+
+ err = CHECK_CU(cuStreamSynchronize(s->stream));
+ if (err != CUDA_SUCCESS) {
+ goto exit;
+ }
+
+exit:
+ CHECK_CU(cuCtxPopCurrent(&dummy));
+ return;
+}
+
+static av_cold void deint_cuda_uninit(AVFilterContext *ctx)
+{
+ CUcontext dummy;
+ DeintCUDAContext *s = ctx->priv;
+ YADIFContext *y = &s->yadif;
+
+ if (s->cu_module) {
+ CHECK_CU(cuCtxPushCurrent(s->cu_ctx));
+ CHECK_CU(cuModuleUnload(s->cu_module));
+ CHECK_CU(cuCtxPopCurrent(&dummy));
+ }
+
+ av_frame_free(&y->prev);
+ av_frame_free(&y->cur);
+ av_frame_free(&y->next);
+
+ av_buffer_unref(&s->device_ref);
+ s->hwctx = NULL;
+ av_buffer_unref(&s->input_frames_ref);
+ s->input_frames = NULL;
+}
+
+static int deint_cuda_query_formats(AVFilterContext *ctx)
+{
+ enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_CUDA, AV_PIX_FMT_NONE,
+ };
+ int ret;
+
+ if ((ret = ff_formats_ref(ff_make_format_list(pix_fmts),
+ &ctx->inputs[0]->out_formats)) < 0)
+ return ret;
+ if ((ret = ff_formats_ref(ff_make_format_list(pix_fmts),
+ &ctx->outputs[0]->in_formats)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static int config_input(AVFilterLink *inlink)
+{
+ AVFilterContext *ctx = inlink->dst;
+ DeintCUDAContext *s = ctx->priv;
+
+ if (!inlink->hw_frames_ctx) {
+ av_log(ctx, AV_LOG_ERROR, "A hardware frames reference is "
+ "required to associate the processing device.\n");
+ return AVERROR(EINVAL);
+ }
+
+ s->input_frames_ref = av_buffer_ref(inlink->hw_frames_ctx);
+ if (!s->input_frames_ref) {
+ av_log(ctx, AV_LOG_ERROR, "A input frames reference create "
+ "failed.\n");
+ return AVERROR(ENOMEM);
+ }
+ s->input_frames = (AVHWFramesContext*)s->input_frames_ref->data;
+
+ return 0;
+}
+
+static int config_output(AVFilterLink *link)
+{
+ AVHWFramesContext *output_frames;
+ AVFilterContext *ctx = link->src;
+ DeintCUDAContext *s = ctx->priv;
+ YADIFContext *y = &s->yadif;
+ int ret = 0;
+ CUcontext dummy;
+ CUresult err;
+
+ av_assert0(s->input_frames);
+ s->device_ref = av_buffer_ref(s->input_frames->device_ref);
+ if (!s->device_ref) {
+ av_log(ctx, AV_LOG_ERROR, "A device reference create "
+ "failed.\n");
+ return AVERROR(ENOMEM);
+ }
+ s->hwctx = ((AVHWDeviceContext*)s->device_ref->data)->hwctx;
+ s->cu_ctx = s->hwctx->cuda_ctx;
+ s->stream = s->hwctx->stream;
+
+ link->hw_frames_ctx = av_hwframe_ctx_alloc(s->device_ref);
+ if (!link->hw_frames_ctx) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to create HW frame context "
+ "for output.\n");
+ ret = AVERROR(ENOMEM);
+ goto exit;
+ }
+
+ output_frames = (AVHWFramesContext*)link->hw_frames_ctx->data;
+
+ output_frames->format = AV_PIX_FMT_CUDA;
+ output_frames->sw_format = s->input_frames->sw_format;
+ output_frames->width = ctx->inputs[0]->w;
+ output_frames->height = ctx->inputs[0]->h;
+
+ output_frames->initial_pool_size = 4;
+
+ ret = ff_filter_init_hw_frames(ctx, link, 10);
+ if (ret < 0)
+ goto exit;
+
+ ret = av_hwframe_ctx_init(link->hw_frames_ctx);
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to initialise CUDA frame "
+ "context for output: %d\n", ret);
+ goto exit;
+ }
+
+ link->time_base.num = ctx->inputs[0]->time_base.num;
+ link->time_base.den = ctx->inputs[0]->time_base.den * 2;
+ link->w = ctx->inputs[0]->w;
+ link->h = ctx->inputs[0]->h;
+
+ if(y->mode & 1)
+ link->frame_rate = av_mul_q(ctx->inputs[0]->frame_rate,
+ (AVRational){2, 1});
+
+ if (link->w < 3 || link->h < 3) {
+ av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n");
+ ret = AVERROR(EINVAL);
+ goto exit;
+ }
+
+ y->csp = av_pix_fmt_desc_get(output_frames->sw_format);
+ y->filter = filter;
+
+ err = CHECK_CU(cuCtxPushCurrent(s->cu_ctx));
+ if (err != CUDA_SUCCESS) {
+ ret = AVERROR_EXTERNAL;
+ goto exit;
+ }
+
+ err = CHECK_CU(cuModuleLoadData(&s->cu_module, vf_yadif_cuda_ptx));
+ if (err != CUDA_SUCCESS) {
+ ret = AVERROR_INVALIDDATA;
+ goto exit;
+ }
+
+ err = CHECK_CU(cuModuleGetFunction(&s->cu_func_uchar, s->cu_module, "yadif_uchar"));
+ if (err != CUDA_SUCCESS) {
+ ret = AVERROR_INVALIDDATA;
+ goto exit;
+ }
+
+ err = CHECK_CU(cuModuleGetFunction(&s->cu_func_uchar2, s->cu_module, "yadif_uchar2"));
+ if (err != CUDA_SUCCESS) {
+ ret = AVERROR_INVALIDDATA;
+ goto exit;
+ }
+
+ err= CHECK_CU(cuModuleGetFunction(&s->cu_func_ushort, s->cu_module, "yadif_ushort"));
+ if (err != CUDA_SUCCESS) {
+ ret = AVERROR_INVALIDDATA;
+ goto exit;
+ }
+
+ err = CHECK_CU(cuModuleGetFunction(&s->cu_func_ushort2, s->cu_module, "yadif_ushort2"));
+ if (err != CUDA_SUCCESS) {
+ ret = AVERROR_INVALIDDATA;
+ goto exit;
+ }
+
+exit:
+ CHECK_CU(cuCtxPopCurrent(&dummy));
+
+ return ret;
+}
+
+static const AVClass yadif_cuda_class = {
+ .class_name = "yadif_cuda",
+ .item_name = av_default_item_name,
+ .option = yadif_options,
+ .version = LIBAVUTIL_VERSION_INT,
+ .category = AV_CLASS_CATEGORY_FILTER,
+};
+
+static const AVFilterPad deint_cuda_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = ff_yadif_filter_frame,
+ .config_props = config_input,
+ },
+ { NULL }
+};
+
+static const AVFilterPad deint_cuda_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = ff_yadif_request_frame,
+ .config_props = config_output,
+ },
+ { NULL }
+};
+
+AVFilter ff_vf_yadif_cuda = {
+ .name = "yadif_cuda",
+ .description = NULL_IF_CONFIG_SMALL("Deinterlace CUDA frames"),
+ .priv_size = sizeof(DeintCUDAContext),
+ .priv_class = &yadif_cuda_class,
+ .uninit = deint_cuda_uninit,
+ .query_formats = deint_cuda_query_formats,
+ .inputs = deint_cuda_inputs,
+ .outputs = deint_cuda_outputs,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
+ .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
new file mode 100644
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2018 Philip Langdale <philipl@overt.org>
+ *
+ * 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
+ */
+
+template<typename T>
+__inline__ __device__ T spatial_predictor(T a, T b, T c, T d, T e, T f, T g,
+ T h, T i, T j, T k, T l, T m, T n)
+{
+ int spatial_pred = (d + k)/2;
+ int spatial_score = abs(c - j) + abs(d - k) + abs(e - l);
+
+ int score = abs(b - k) + abs(c - l) + abs(d - m);
+ if (score < spatial_score) {
+ spatial_pred = (c + l)/2;
+ spatial_score = score;
+ score = abs(a - l) + abs(b - m) + abs(c - n);
+ if (score < spatial_score) {
+ spatial_pred = (b + m)/2;
+ spatial_score = score;
+ }
+ }
+ score = abs(d - i) + abs(e - j) + abs(f - k);
+ if (score < spatial_score) {
+ spatial_pred = (e + j)/2;
+ spatial_score = score;
+ score = abs(e - h) + abs(f - i) + abs(g - j);
+ if (score < spatial_score) {
+ spatial_pred = (f + i)/2;
+ spatial_score = score;
+ }
+ }
+ return spatial_pred;
+}
+
+__inline__ __device__ int max3(int a, int b, int c)
+{
+ int x = max(a, b);
+ return max(x, c);
+}
+
+__inline__ __device__ int min3(int a, int b, int c)
+{
+ int x = min(a, b);
+ return min(x, c);
+}
+
+template<typename T>
+__inline__ __device__ T temporal_predictor(T A, T B, T C, T D, T E, T F,
+ T G, T H, T I, T J, T K, T L,
+ T spatial_pred, bool skip_check)
+{
+ int p0 = (C + H) / 2;
+ int p1 = F;
+ int p2 = (D + I) / 2;
+ int p3 = G;
+ int p4 = (E + J) / 2;
+
+ int tdiff0 = abs(D - I);
+ int tdiff1 = (abs(A - F) + abs(B - G)) / 2;
+ int tdiff2 = (abs(K - F) + abs(G - L)) / 2;
+
+ int diff = max3(tdiff0, tdiff1, tdiff2);
+
+ if (!skip_check) {
+ int maxi = max3(p2 - p3, p2 - p1, min(p0 - p1, p4 - p3));
+ int mini = min3(p2 - p3, p2 - p1, max(p0 - p1, p4 - p3));
+ diff = max3(diff, mini, -maxi);
+ }
+
+ if (spatial_pred > p2 + diff) {
+ spatial_pred = p2 + diff;
+ }
+ if (spatial_pred < p2 - diff) {
+ spatial_pred = p2 - diff;
+ }
+
+ return spatial_pred;
+}
+
+template<typename T>
+__inline__ __device__ void yadif_single(T *dst,
+ cudaTextureObject_t prev,
+ cudaTextureObject_t cur,
+ cudaTextureObject_t next,
+ int dst_width, int dst_height, int dst_pitch,
+ int src_width, int src_height,
+ int parity, int tff, bool skip_spatial_check)
+{
+ // Identify location
+ int xo = blockIdx.x * blockDim.x + threadIdx.x;
+ int yo = blockIdx.y * blockDim.y + threadIdx.y;
+
+ if (xo >= dst_width || yo >= dst_height) {
+ return;
+ }
+
+ // Don't modify the primary field
+ if (yo % 2 == parity) {
+ dst[yo*dst_pitch+xo] = tex2D<T>(cur, xo, yo);
+ return;
+ }
+
+ // Calculate spatial prediction
+ T a = tex2D<T>(cur, xo - 3, yo - 1);
+ T b = tex2D<T>(cur, xo - 2, yo - 1);
+ T c = tex2D<T>(cur, xo - 1, yo - 1);
+ T d = tex2D<T>(cur, xo - 0, yo - 1);
+ T e = tex2D<T>(cur, xo + 1, yo - 1);
+ T f = tex2D<T>(cur, xo + 2, yo - 1);
+ T g = tex2D<T>(cur, xo + 3, yo - 1);
+
+ T h = tex2D<T>(cur, xo - 3, yo + 1);
+ T i = tex2D<T>(cur, xo - 2, yo + 1);
+ T j = tex2D<T>(cur, xo - 1, yo + 1);
+ T k = tex2D<T>(cur, xo - 0, yo + 1);
+ T l = tex2D<T>(cur, xo + 1, yo + 1);
+ T m = tex2D<T>(cur, xo + 2, yo + 1);
+ T n = tex2D<T>(cur, xo + 3, yo + 1);
+
+ T spatial_pred =
+ spatial_predictor(a, b, c, d, e, f, g, h, i, j, k, l, m, n);
+
+ // Calculate temporal prediction
+ int is_second_field = !(parity ^ tff);
+
+ cudaTextureObject_t prev2 = prev;
+ cudaTextureObject_t prev1 = is_second_field ? cur : prev;
+ cudaTextureObject_t next1 = is_second_field ? next : cur;
+ cudaTextureObject_t next2 = next;
+
+ T A = tex2D<T>(prev2, xo, yo - 1);
+ T B = tex2D<T>(prev2, xo, yo + 1);
+ T C = tex2D<T>(prev1, xo, yo - 2);
+ T D = tex2D<T>(prev1, xo, yo + 0);
+ T E = tex2D<T>(prev1, xo, yo + 2);
+ T F = tex2D<T>(cur, xo, yo - 1);
+ T G = tex2D<T>(cur, xo, yo + 1);
+ T H = tex2D<T>(next1, xo, yo - 2);
+ T I = tex2D<T>(next1, xo, yo + 0);
+ T J = tex2D<T>(next1, xo, yo + 2);
+ T K = tex2D<T>(next2, xo, yo - 1);
+ T L = tex2D<T>(next2, xo, yo + 1);
+
+ spatial_pred = temporal_predictor(A, B, C, D, E, F, G, H, I, J, K, L,
+ spatial_pred, skip_spatial_check);
+
+ dst[yo*dst_pitch+xo] = spatial_pred;
+}
+
+template <typename T>
+__inline__ __device__ void yadif_double(T *dst,
+ cudaTextureObject_t prev,
+ cudaTextureObject_t cur,
+ cudaTextureObject_t next,
+ int dst_width, int dst_height, int dst_pitch,
+ int src_width, int src_height,
+ int parity, int tff, bool skip_spatial_check)
+{
+ int xo = blockIdx.x * blockDim.x + threadIdx.x;
+ int yo = blockIdx.y * blockDim.y + threadIdx.y;
+
+ if (xo >= dst_width || yo >= dst_height) {
+ return;
+ }
+
+ if (yo % 2 == parity) {
+ // Don't modify the primary field
+ dst[yo*dst_pitch+xo] = tex2D<T>(cur, xo, yo);
+ return;
+ }
+
+ T a = tex2D<T>(cur, xo - 3, yo - 1);
+ T b = tex2D<T>(cur, xo - 2, yo - 1);
+ T c = tex2D<T>(cur, xo - 1, yo - 1);
+ T d = tex2D<T>(cur, xo - 0, yo - 1);
+ T e = tex2D<T>(cur, xo + 1, yo - 1);
+ T f = tex2D<T>(cur, xo + 2, yo - 1);
+ T g = tex2D<T>(cur, xo + 3, yo - 1);
+
+ T h = tex2D<T>(cur, xo - 3, yo + 1);
+ T i = tex2D<T>(cur, xo - 2, yo + 1);
+ T j = tex2D<T>(cur, xo - 1, yo + 1);
+ T k = tex2D<T>(cur, xo - 0, yo + 1);
+ T l = tex2D<T>(cur, xo + 1, yo + 1);
+ T m = tex2D<T>(cur, xo + 2, yo + 1);
+ T n = tex2D<T>(cur, xo + 3, yo + 1);
+
+ T spatial_pred = {
+ spatial_predictor(a.x, b.x, c.x, d.x, e.x, f.x, g.x, h.x, i.x, j.x, k.x, l.x, m.x, n.x),
+ spatial_predictor(a.y, b.y, c.y, d.y, e.y, f.y, g.y, h.y, i.y, j.y, k.y, l.y, m.y, n.y) };
+
+ // Calculate temporal prediction
+ int is_second_field = !(parity ^ tff);
+
+ cudaTextureObject_t prev2 = prev;
+ cudaTextureObject_t prev1 = is_second_field ? cur : prev;
+ cudaTextureObject_t next1 = is_second_field ? next : cur;
+ cudaTextureObject_t next2 = next;
+
+ T A = tex2D<T>(prev2, xo, yo - 1);
+ T B = tex2D<T>(prev2, xo, yo + 1);
+ T C = tex2D<T>(prev1, xo, yo - 2);
+ T D = tex2D<T>(prev1, xo, yo + 0);
+ T E = tex2D<T>(prev1, xo, yo + 2);
+ T F = tex2D<T>(cur, xo, yo - 1);
+ T G = tex2D<T>(cur, xo, yo + 1);
+ T H = tex2D<T>(next1, xo, yo - 2);
+ T I = tex2D<T>(next1, xo, yo + 0);
+ T J = tex2D<T>(next1, xo, yo + 2);
+ T K = tex2D<T>(next2, xo, yo - 1);
+ T L = tex2D<T>(next2, xo, yo + 1);
+
+ spatial_pred = {
+ temporal_predictor(A.x, B.x, C.x, D.x, E.x, F.x, G.x, H.x, I.x, J.x, K.x, L.x,
+ spatial_pred.x, skip_spatial_check),
+ temporal_predictor(A.y, B.y, C.y, D.y, E.y, F.y, G.y, H.y, I.y, J.y, K.y, L.y,
+ spatial_pred.y, skip_spatial_check) };
+
+ dst[yo*dst_pitch+xo] = spatial_pred;
+}
+
+extern "C" {
+
+__global__ void yadif_uchar(unsigned char *dst,
+ cudaTextureObject_t prev,
+ cudaTextureObject_t cur,
+ cudaTextureObject_t next,
+ int dst_width, int dst_height, int dst_pitch,
+ int src_width, int src_height,
+ int parity, int tff, bool skip_spatial_check)
+{
+ yadif_single(dst, prev, cur, next,
+ dst_width, dst_height, dst_pitch,
+ src_width, src_height,
+ parity, tff, skip_spatial_check);
+}
+
+__global__ void yadif_ushort(unsigned short *dst,
+ cudaTextureObject_t prev,
+ cudaTextureObject_t cur,
+ cudaTextureObject_t next,
+ int dst_width, int dst_height, int dst_pitch,
+ int src_width, int src_height,
+ int parity, int tff, bool skip_spatial_check)
+{
+ yadif_single(dst, prev, cur, next,
+ dst_width, dst_height, dst_pitch,
+ src_width, src_height,
+ parity, tff, skip_spatial_check);
+}
+
+__global__ void yadif_uchar2(uchar2 *dst,
+ cudaTextureObject_t prev,
+ cudaTextureObject_t cur,
+ cudaTextureObject_t next,
+ int dst_width, int dst_height, int dst_pitch,
+ int src_width, int src_height,
+ int parity, int tff, bool skip_spatial_check)
+{
+ yadif_double(dst, prev, cur, next,
+ dst_width, dst_height, dst_pitch,
+ src_width, src_height,
+ parity, tff, skip_spatial_check);
+}
+
+__global__ void yadif_ushort2(ushort2 *dst,
+ cudaTextureObject_t prev,
+ cudaTextureObject_t cur,
+ cudaTextureObject_t next,
+ int dst_width, int dst_height, int dst_pitch,
+ int src_width, int src_height,
+ int parity, int tff, bool skip_spatial_check)
+{
+ yadif_double(dst, prev, cur, next,
+ dst_width, dst_height, dst_pitch,
+ src_width, src_height,
+ parity, tff, skip_spatial_check);
+}
+
+} /* extern "C" */
Signed-off-by: Philip Langdale <philipl@overt.org> --- Changelog | 1 + configure | 1 + doc/filters.texi | 58 +++++ libavfilter/Makefile | 1 + libavfilter/allfilters.c | 1 + libavfilter/version.h | 2 +- libavfilter/vf_yadif_cuda.c | 426 +++++++++++++++++++++++++++++++++++ libavfilter/vf_yadif_cuda.cu | 296 ++++++++++++++++++++++++ 8 files changed, 785 insertions(+), 1 deletion(-) create mode 100644 libavfilter/vf_yadif_cuda.c create mode 100644 libavfilter/vf_yadif_cuda.cu