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avfilter/scale_cuda: combine separate CUDA sources

Timo Rothenpieler committed 5 years ago

Commit b0e2e931 parent 91a41a34 files · +138 −240Browse files

Showing the changes to libavfilter (4 of 4 files). Show all

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4 files
  1. libavfilter/Makefile +1 −2
  2. libavfilter/vf_scale_cuda.c +2 −13
  3. libavfilter/vf_scale_cuda.cu +135 −1
  4. libavfilter/vf_scale_cuda_bicubic.cu +0 −224
libavfilter/Makefile+1−2
@@ -395,8 +395,7 @@ OBJS-$(CONFIG_ROTATE_FILTER) += vf_rotate.o · 394 unmodified lines
395395 OBJS-$(CONFIG_SAB_FILTER) += vf_sab.o
396396 OBJS-$(CONFIG_SCALE_FILTER) += vf_scale.o scale_eval.o
397397 OBJS-$(CONFIG_SCALE_CUDA_FILTER) += vf_scale_cuda.o scale_eval.o \
398− vf_scale_cuda.ptx.o vf_scale_cuda_bicubic.ptx.o \
399− cuda/load_helper.o
398+ vf_scale_cuda.ptx.o cuda/load_helper.o
400399 OBJS-$(CONFIG_SCALE_NPP_FILTER) += vf_scale_npp.o scale_eval.o
401400 OBJS-$(CONFIG_SCALE_QSV_FILTER) += vf_scale_qsv.o
402401 OBJS-$(CONFIG_SCALE_VAAPI_FILTER) += vf_scale_vaapi.o scale_eval.o vaapi_vpp.o
libavfilter/vf_scale_cuda.c+2−13
@@ -276,41 +276,29 @@ static av_cold int cudascale_config_props(AVFilterLink *outlink) · 275 unmodified lines
276276 int w, h;
277277 int ret;
278278
279− const unsigned char *scaler_ptx;
280− unsigned int scaler_ptx_len;
281279 const char *function_infix = "";
282280
283281 extern const unsigned char ff_vf_scale_cuda_ptx_data[];
284282 extern const unsigned int ff_vf_scale_cuda_ptx_len;
285− extern const unsigned char ff_vf_scale_cuda_bicubic_ptx_data[];
286− extern const unsigned int ff_vf_scale_cuda_bicubic_ptx_len;
287283
288284 switch(s->interp_algo) {
289285 case INTERP_ALGO_NEAREST:
290− scaler_ptx = ff_vf_scale_cuda_ptx_data;
291− scaler_ptx_len = ff_vf_scale_cuda_ptx_len;
292286 function_infix = "_Nearest";
293287 s->interp_use_linear = 0;
294288 s->interp_as_integer = 1;
295289 break;
296290 case INTERP_ALGO_BILINEAR:
297− scaler_ptx = ff_vf_scale_cuda_ptx_data;
298− scaler_ptx_len = ff_vf_scale_cuda_ptx_len;
299291 function_infix = "_Bilinear";
300292 s->interp_use_linear = 1;
301293 s->interp_as_integer = 1;
302294 break;
303295 case INTERP_ALGO_DEFAULT:
304296 case INTERP_ALGO_BICUBIC:
305− scaler_ptx = ff_vf_scale_cuda_bicubic_ptx_data;
306− scaler_ptx_len = ff_vf_scale_cuda_bicubic_ptx_len;
307297 function_infix = "_Bicubic";
308298 s->interp_use_linear = 0;
309299 s->interp_as_integer = 0;
310300 break;
311301 case INTERP_ALGO_LANCZOS:
312− scaler_ptx = ff_vf_scale_cuda_bicubic_ptx_data;
313− scaler_ptx_len = ff_vf_scale_cuda_bicubic_ptx_len;
314302 function_infix = "_Lanczos";
315303 s->interp_use_linear = 0;
316304 s->interp_as_integer = 0;
@@ -327,7 +315,8 @@ static av_cold int cudascale_config_props(AVFilterLink *outlink) · 10 unmodified lines
327315 if (ret < 0)
328316 goto fail;
329317
330− ret = ff_cuda_load_module(ctx, device_hwctx, &s->cu_module, scaler_ptx, scaler_ptx_len);
318+ ret = ff_cuda_load_module(ctx, device_hwctx, &s->cu_module,
319+ ff_vf_scale_cuda_ptx_data, ff_vf_scale_cuda_ptx_len);
331320 if (ret < 0)
332321 goto fail;
333322
libavfilter/vf_scale_cuda.cu+135−1
@@ -1,5 +1,5 @@
11 /*
2− * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
2+ * This file is part of FFmpeg.
33 *
44 * Permission is hereby granted, free of charge, to any person obtaining a
55 * copy of this software and associated documentation files (the "Software"),
@@ -21,6 +21,55 @@ · 15 unmodified lines
2121 */
2222
2323 #include "cuda/vector_helpers.cuh"
24+#include "vf_scale_cuda.h"
25+
26+typedef float4 (*coeffs_function_t)(float, float);
27+
28+__device__ inline float4 lanczos_coeffs(float x, float param)
29+{
30+ const float pi = 3.141592654f;
31+
32+ float4 res = make_float4(
33+ pi * (x + 1),
34+ pi * x,
35+ pi * (x - 1),
36+ pi * (x - 2));
37+
38+ res.x = res.x == 0.0f ? 1.0f :
39+ __sinf(res.x) * __sinf(res.x / 2.0f) / (res.x * res.x / 2.0f);
40+ res.y = res.y == 0.0f ? 1.0f :
41+ __sinf(res.y) * __sinf(res.y / 2.0f) / (res.y * res.y / 2.0f);
42+ res.z = res.z == 0.0f ? 1.0f :
43+ __sinf(res.z) * __sinf(res.z / 2.0f) / (res.z * res.z / 2.0f);
44+ res.w = res.w == 0.0f ? 1.0f :
45+ __sinf(res.w) * __sinf(res.w / 2.0f) / (res.w * res.w / 2.0f);
46+
47+ return res / (res.x + res.y + res.z + res.w);
48+}
49+
50+__device__ inline float4 bicubic_coeffs(float x, float param)
51+{
52+ const float A = param == SCALE_CUDA_PARAM_DEFAULT ? 0.0f : -param;
53+
54+ float4 res;
55+ res.x = ((A * (x + 1) - 5 * A) * (x + 1) + 8 * A) * (x + 1) - 4 * A;
56+ res.y = ((A + 2) * x - (A + 3)) * x * x + 1;
57+ res.z = ((A + 2) * (1 - x) - (A + 3)) * (1 - x) * (1 - x) + 1;
58+ res.w = 1.0f - res.x - res.y - res.z;
59+
60+ return res;
61+}
62+
63+template<typename V>
64+__device__ inline V apply_coeffs(float4 coeffs, V c0, V c1, V c2, V c3)
65+{
66+ V res = c0 * coeffs.x;
67+ res += c1 * coeffs.y;
68+ res += c2 * coeffs.z;
69+ res += c3 * coeffs.w;
70+
71+ return res;
72+}
2473
2574 template<typename T>
2675 __device__ inline void Subsample_Nearest(cudaTextureObject_t tex,
@@ -76,6 +125,48 @@ __device__ inline void Subsample_Bilinear(cudaTextureObject_t tex, · 49 unmodified lines
76125 }
77126 }
78127
128+template<typename T>
129+__device__ inline void Subsample_Bicubic(coeffs_function_t coeffs_function,
130+ cudaTextureObject_t tex,
131+ T *dst,
132+ int dst_width, int dst_height, int dst_pitch,
133+ int src_width, int src_height,
134+ int bit_depth, float param)
135+{
136+ int xo = blockIdx.x * blockDim.x + threadIdx.x;
137+ int yo = blockIdx.y * blockDim.y + threadIdx.y;
138+
139+ if (yo < dst_height && xo < dst_width)
140+ {
141+ float hscale = (float)src_width / (float)dst_width;
142+ float vscale = (float)src_height / (float)dst_height;
143+ float xi = (xo + 0.5f) * hscale - 0.5f;
144+ float yi = (yo + 0.5f) * vscale - 0.5f;
145+ float px = floor(xi);
146+ float py = floor(yi);
147+ float fx = xi - px;
148+ float fy = yi - py;
149+
150+ float factor = bit_depth > 8 ? 0xFFFF : 0xFF;
151+
152+ float4 coeffsX = coeffs_function(fx, param);
153+ float4 coeffsY = coeffs_function(fy, param);
154+
155+#define PIX(x, y) tex2D<floatT>(tex, (x), (y))
156+
157+ dst[yo * dst_pitch + xo] = from_floatN<T, floatT>(
158+ apply_coeffs<floatT>(coeffsY,
159+ apply_coeffs<floatT>(coeffsX, PIX(px - 1, py - 1), PIX(px, py - 1), PIX(px + 1, py - 1), PIX(px + 2, py - 1)),
160+ apply_coeffs<floatT>(coeffsX, PIX(px - 1, py ), PIX(px, py ), PIX(px + 1, py ), PIX(px + 2, py )),
161+ apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 1), PIX(px, py + 1), PIX(px + 1, py + 1), PIX(px + 2, py + 1)),
162+ apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 2), PIX(px, py + 2), PIX(px + 1, py + 2), PIX(px + 2, py + 2))
163+ ) * factor
164+ );
165+
166+#undef PIX
167+ }
168+}
169+
79170 extern "C" {
80171
81172 #define NEAREST_KERNEL(T) \
@@ -120,4 +211,47 @@ BILINEAR_KERNEL(ushort) · 38 unmodified lines
120211 BILINEAR_KERNEL(ushort2)
121212 BILINEAR_KERNEL(ushort4)
122213
214+#define BICUBIC_KERNEL(T) \
215+ __global__ void Subsample_Bicubic_ ## T(cudaTextureObject_t src_tex, \
216+ T *dst, \
217+ int dst_width, int dst_height, int dst_pitch, \
218+ int src_width, int src_height, \
219+ int bit_depth, float param) \
220+ { \
221+ Subsample_Bicubic<T>(&bicubic_coeffs, src_tex, dst, \
222+ dst_width, dst_height, dst_pitch, \
223+ src_width, src_height, \
224+ bit_depth, param); \
225+ }
226+
227+BICUBIC_KERNEL(uchar)
228+BICUBIC_KERNEL(uchar2)
229+BICUBIC_KERNEL(uchar4)
230+
231+BICUBIC_KERNEL(ushort)
232+BICUBIC_KERNEL(ushort2)
233+BICUBIC_KERNEL(ushort4)
234+
235+
236+#define LANCZOS_KERNEL(T) \
237+ __global__ void Subsample_Lanczos_ ## T(cudaTextureObject_t src_tex, \
238+ T *dst, \
239+ int dst_width, int dst_height, int dst_pitch, \
240+ int src_width, int src_height, \
241+ int bit_depth, float param) \
242+ { \
243+ Subsample_Bicubic<T>(&lanczos_coeffs, src_tex, dst, \
244+ dst_width, dst_height, dst_pitch, \
245+ src_width, src_height, \
246+ bit_depth, param); \
247+ }
248+
249+LANCZOS_KERNEL(uchar)
250+LANCZOS_KERNEL(uchar2)
251+LANCZOS_KERNEL(uchar4)
252+
253+LANCZOS_KERNEL(ushort)
254+LANCZOS_KERNEL(ushort2)
255+LANCZOS_KERNEL(ushort4)
256+
123257 }
libavfilter/vf_scale_cuda_bicubic.cu+0−224
@@ -1,224 +0,0 @@
1−/*
2− * This file is part of FFmpeg.
3− *
4− * Permission is hereby granted, free of charge, to any person obtaining a
5− * copy of this software and associated documentation files (the "Software"),
6− * to deal in the Software without restriction, including without limitation
7− * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8− * and/or sell copies of the Software, and to permit persons to whom the
9− * Software is furnished to do so, subject to the following conditions:
10− *
11− * The above copyright notice and this permission notice shall be included in
12− * all copies or substantial portions of the Software.
13− *
14− * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15− * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16− * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17− * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18− * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19− * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20− * DEALINGS IN THE SOFTWARE.
21− */
22−
23−#include "cuda/vector_helpers.cuh"
24−#include "vf_scale_cuda.h"
25−
26−typedef float4 (*coeffs_function_t)(float, float);
27−
28−__device__ inline float4 lanczos_coeffs(float x, float param)
29−{
30− const float pi = 3.141592654f;
31−
32− float4 res = make_float4(
33− pi * (x + 1),
34− pi * x,
35− pi * (x - 1),
36− pi * (x - 2));
37−
38− res.x = res.x == 0.0f ? 1.0f :
39− __sinf(res.x) * __sinf(res.x / 2.0f) / (res.x * res.x / 2.0f);
40− res.y = res.y == 0.0f ? 1.0f :
41− __sinf(res.y) * __sinf(res.y / 2.0f) / (res.y * res.y / 2.0f);
42− res.z = res.z == 0.0f ? 1.0f :
43− __sinf(res.z) * __sinf(res.z / 2.0f) / (res.z * res.z / 2.0f);
44− res.w = res.w == 0.0f ? 1.0f :
45− __sinf(res.w) * __sinf(res.w / 2.0f) / (res.w * res.w / 2.0f);
46−
47− return res / (res.x + res.y + res.z + res.w);
48−}
49−
50−__device__ inline float4 bicubic_coeffs(float x, float param)
51−{
52− const float A = param == SCALE_CUDA_PARAM_DEFAULT ? 0.0f : -param;
53−
54− float4 res;
55− res.x = ((A * (x + 1) - 5 * A) * (x + 1) + 8 * A) * (x + 1) - 4 * A;
56− res.y = ((A + 2) * x - (A + 3)) * x * x + 1;
57− res.z = ((A + 2) * (1 - x) - (A + 3)) * (1 - x) * (1 - x) + 1;
58− res.w = 1.0f - res.x - res.y - res.z;
59−
60− return res;
61−}
62−
63−__device__ inline void derived_fast_coeffs(float4 coeffs, float x, float *h0, float *h1, float *s)
64−{
65− float g0 = coeffs.x + coeffs.y;
66− float g1 = coeffs.z + coeffs.w;
67−
68− *h0 = coeffs.y / g0 - 0.5f;
69− *h1 = coeffs.w / g1 + 1.5f;
70− *s = g0 / (g0 + g1);
71−}
72−
73−template<typename V>
74−__device__ inline V apply_coeffs(float4 coeffs, V c0, V c1, V c2, V c3)
75−{
76− V res = c0 * coeffs.x;
77− res += c1 * coeffs.y;
78− res += c2 * coeffs.z;
79− res += c3 * coeffs.w;
80−
81− return res;
82−}
83−
84−template<typename T>
85−__device__ inline void Subsample_Bicubic(coeffs_function_t coeffs_function,
86− cudaTextureObject_t src_tex,
87− T *dst,
88− int dst_width, int dst_height, int dst_pitch,
89− int src_width, int src_height,
90− int bit_depth, float param)
91−{
92− int xo = blockIdx.x * blockDim.x + threadIdx.x;
93− int yo = blockIdx.y * blockDim.y + threadIdx.y;
94−
95− if (yo < dst_height && xo < dst_width)
96− {
97− float hscale = (float)src_width / (float)dst_width;
98− float vscale = (float)src_height / (float)dst_height;
99− float xi = (xo + 0.5f) * hscale - 0.5f;
100− float yi = (yo + 0.5f) * vscale - 0.5f;
101− float px = floor(xi);
102− float py = floor(yi);
103− float fx = xi - px;
104− float fy = yi - py;
105−
106− float factor = bit_depth > 8 ? 0xFFFF : 0xFF;
107−
108− float4 coeffsX = coeffs_function(fx, param);
109− float4 coeffsY = coeffs_function(fy, param);
110−
111−#define PIX(x, y) tex2D<floatT>(src_tex, (x), (y))
112−
113− dst[yo * dst_pitch + xo] = from_floatN<T, floatT>(
114− apply_coeffs<floatT>(coeffsY,
115− apply_coeffs<floatT>(coeffsX, PIX(px - 1, py - 1), PIX(px, py - 1), PIX(px + 1, py - 1), PIX(px + 2, py - 1)),
116− apply_coeffs<floatT>(coeffsX, PIX(px - 1, py ), PIX(px, py ), PIX(px + 1, py ), PIX(px + 2, py )),
117− apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 1), PIX(px, py + 1), PIX(px + 1, py + 1), PIX(px + 2, py + 1)),
118− apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 2), PIX(px, py + 2), PIX(px + 1, py + 2), PIX(px + 2, py + 2))
119− ) * factor
120− );
121−
122−#undef PIX
123− }
124−}
125−
126−/* This does not yield correct results. Most likely because of low internal precision in tex2D linear interpolation */
127−template<typename T>
128−__device__ inline void Subsample_FastBicubic(coeffs_function_t coeffs_function,
129− cudaTextureObject_t src_tex,
130− T *dst,
131− int dst_width, int dst_height, int dst_pitch,
132− int src_width, int src_height,
133− int bit_depth, float param)
134−{
135− int xo = blockIdx.x * blockDim.x + threadIdx.x;
136− int yo = blockIdx.y * blockDim.y + threadIdx.y;
137−
138− if (yo < dst_height && xo < dst_width)
139− {
140− float hscale = (float)src_width / (float)dst_width;
141− float vscale = (float)src_height / (float)dst_height;
142− float xi = (xo + 0.5f) * hscale - 0.5f;
143− float yi = (yo + 0.5f) * vscale - 0.5f;
144− float px = floor(xi);
145− float py = floor(yi);
146− float fx = xi - px;
147− float fy = yi - py;
148−
149− float factor = bit_depth > 8 ? 0xFFFF : 0xFF;
150−
151− float4 coeffsX = coeffs_function(fx, param);
152− float4 coeffsY = coeffs_function(fy, param);
153−
154− float h0x, h1x, sx;
155− float h0y, h1y, sy;
156− derived_fast_coeffs(coeffsX, fx, &h0x, &h1x, &sx);
157− derived_fast_coeffs(coeffsY, fy, &h0y, &h1y, &sy);
158−
159−#define PIX(x, y) tex2D<floatT>(src_tex, (x), (y))
160−
161− floatT pix[4] = {
162− PIX(px + h0x, py + h0y),
163− PIX(px + h1x, py + h0y),
164− PIX(px + h0x, py + h1y),
165− PIX(px + h1x, py + h1y)
166− };
167−
168−#undef PIX
169−
170− dst[yo * dst_pitch + xo] = from_floatN<T, floatT>(
171− lerp_scalar(
172− lerp_scalar(pix[3], pix[2], sx),
173− lerp_scalar(pix[1], pix[0], sx),
174− sy) * factor
175− );
176− }
177−}
178−
179−extern "C" {
180−
181−#define BICUBIC_KERNEL(T) \
182− __global__ void Subsample_Bicubic_ ## T(cudaTextureObject_t src_tex, \
183− T *dst, \
184− int dst_width, int dst_height, int dst_pitch, \
185− int src_width, int src_height, \
186− int bit_depth, float param) \
187− { \
188− Subsample_Bicubic<T>(&bicubic_coeffs, src_tex, dst, \
189− dst_width, dst_height, dst_pitch, \
190− src_width, src_height, \
191− bit_depth, param); \
192− }
193−
194−BICUBIC_KERNEL(uchar)
195−BICUBIC_KERNEL(uchar2)
196−BICUBIC_KERNEL(uchar4)
197−
198−BICUBIC_KERNEL(ushort)
199−BICUBIC_KERNEL(ushort2)
200−BICUBIC_KERNEL(ushort4)
201−
202−
203−#define LANCZOS_KERNEL(T) \
204− __global__ void Subsample_Lanczos_ ## T(cudaTextureObject_t src_tex, \
205− T *dst, \
206− int dst_width, int dst_height, int dst_pitch, \
207− int src_width, int src_height, \
208− int bit_depth, float param) \
209− { \
210− Subsample_Bicubic<T>(&lanczos_coeffs, src_tex, dst, \
211− dst_width, dst_height, dst_pitch, \
212− src_width, src_height, \
213− bit_depth, param); \
214− }
215−
216−LANCZOS_KERNEL(uchar)
217−LANCZOS_KERNEL(uchar2)
218−LANCZOS_KERNEL(uchar4)
219−
220−LANCZOS_KERNEL(ushort)
221−LANCZOS_KERNEL(ushort2)
222−LANCZOS_KERNEL(ushort4)
223−
224−}

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