huffyuvdec: swap code blocks
[ffmpeg.git] / libavfilter / deshake_opencl.c
1 /*
2  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
3  * Copyright (C) 2013 Lenny Wang
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21
22 /**
23  * @file
24  * transform input video
25  */
26
27 #include "libavutil/common.h"
28 #include "libavutil/dict.h"
29 #include "libavutil/pixdesc.h"
30 #include "deshake_opencl.h"
31 #include "libavutil/opencl_internal.h"
32
33 #define PLANE_NUM 3
34 #define ROUND_TO_16(a) ((((a - 1)/16)+1)*16)
35
36 int ff_opencl_transform(AVFilterContext *ctx,
37                         int width, int height, int cw, int ch,
38                         const float *matrix_y, const float *matrix_uv,
39                         enum InterpolateMethod interpolate,
40                         enum FillMethod fill, AVFrame *in, AVFrame *out)
41 {
42     int ret = 0;
43     cl_int status;
44     DeshakeContext *deshake = ctx->priv;
45     float4 packed_matrix_lu = {matrix_y[0], matrix_y[1], matrix_y[2], matrix_y[5]};
46     float4 packed_matrix_ch = {matrix_uv[0], matrix_uv[1], matrix_uv[2], matrix_uv[5]};
47     size_t global_worksize_lu[2] = {(size_t)ROUND_TO_16(width), (size_t)ROUND_TO_16(height)};
48     size_t global_worksize_ch[2] = {(size_t)ROUND_TO_16(cw), (size_t)(2*ROUND_TO_16(ch))};
49     size_t local_worksize[2] = {16, 16};
50     FFOpenclParam param_lu = {0};
51     FFOpenclParam param_ch = {0};
52     param_lu.ctx = param_ch.ctx = ctx;
53     param_lu.kernel = deshake->opencl_ctx.kernel_luma;
54     param_ch.kernel = deshake->opencl_ctx.kernel_chroma;
55
56     if ((unsigned int)interpolate > INTERPOLATE_BIQUADRATIC) {
57         av_log(ctx, AV_LOG_ERROR, "Selected interpolate method is invalid\n");
58         return AVERROR(EINVAL);
59     }
60     ret = ff_opencl_set_parameter(&param_lu,
61                                   FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
62                                   FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
63                                   FF_OPENCL_PARAM_INFO(packed_matrix_lu),
64                                   FF_OPENCL_PARAM_INFO(interpolate),
65                                   FF_OPENCL_PARAM_INFO(fill),
66                                   FF_OPENCL_PARAM_INFO(in->linesize[0]),
67                                   FF_OPENCL_PARAM_INFO(out->linesize[0]),
68                                   FF_OPENCL_PARAM_INFO(height),
69                                   FF_OPENCL_PARAM_INFO(width),
70                                   NULL);
71     if (ret < 0)
72         return ret;
73     ret = ff_opencl_set_parameter(&param_ch,
74                                   FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
75                                   FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
76                                   FF_OPENCL_PARAM_INFO(packed_matrix_ch),
77                                   FF_OPENCL_PARAM_INFO(interpolate),
78                                   FF_OPENCL_PARAM_INFO(fill),
79                                   FF_OPENCL_PARAM_INFO(in->linesize[0]),
80                                   FF_OPENCL_PARAM_INFO(out->linesize[0]),
81                                   FF_OPENCL_PARAM_INFO(in->linesize[1]),
82                                   FF_OPENCL_PARAM_INFO(out->linesize[1]),
83                                   FF_OPENCL_PARAM_INFO(height),
84                                   FF_OPENCL_PARAM_INFO(width),
85                                   FF_OPENCL_PARAM_INFO(ch),
86                                   FF_OPENCL_PARAM_INFO(cw),
87                                   NULL);
88     if (ret < 0)
89         return ret;
90     status = clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
91                                     deshake->opencl_ctx.kernel_luma, 2, NULL,
92                                     global_worksize_lu, local_worksize, 0, NULL, NULL);
93     status |= clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
94                                     deshake->opencl_ctx.kernel_chroma, 2, NULL,
95                                     global_worksize_ch, local_worksize, 0, NULL, NULL);
96     if (status != CL_SUCCESS) {
97         av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
98         return AVERROR_EXTERNAL;
99     }
100     ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size,
101                                       deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf,
102                                       deshake->opencl_ctx.cl_outbuf_size);
103     if (ret < 0)
104         return ret;
105     return ret;
106 }
107
108 int ff_opencl_deshake_init(AVFilterContext *ctx)
109 {
110     int ret = 0;
111     DeshakeContext *deshake = ctx->priv;
112     ret = av_opencl_init(NULL);
113     if (ret < 0)
114         return ret;
115     deshake->opencl_ctx.plane_num = PLANE_NUM;
116     deshake->opencl_ctx.command_queue = av_opencl_get_command_queue();
117     if (!deshake->opencl_ctx.command_queue) {
118         av_log(ctx, AV_LOG_ERROR, "Unable to get OpenCL command queue in filter 'deshake'\n");
119         return AVERROR(EINVAL);
120     }
121     deshake->opencl_ctx.program = av_opencl_compile("avfilter_transform", NULL);
122     if (!deshake->opencl_ctx.program) {
123         av_log(ctx, AV_LOG_ERROR, "OpenCL failed to compile program 'avfilter_transform'\n");
124         return AVERROR(EINVAL);
125     }
126     if (!deshake->opencl_ctx.kernel_luma) {
127         deshake->opencl_ctx.kernel_luma = clCreateKernel(deshake->opencl_ctx.program,
128                                                          "avfilter_transform_luma", &ret);
129         if (ret != CL_SUCCESS) {
130             av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_luma'\n");
131             return AVERROR(EINVAL);
132         }
133     }
134     if (!deshake->opencl_ctx.kernel_chroma) {
135         deshake->opencl_ctx.kernel_chroma = clCreateKernel(deshake->opencl_ctx.program,
136                                                            "avfilter_transform_chroma", &ret);
137         if (ret != CL_SUCCESS) {
138             av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_chroma'\n");
139             return AVERROR(EINVAL);
140         }
141     }
142     return ret;
143 }
144
145 void ff_opencl_deshake_uninit(AVFilterContext *ctx)
146 {
147     DeshakeContext *deshake = ctx->priv;
148     av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf);
149     av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf);
150     clReleaseKernel(deshake->opencl_ctx.kernel_luma);
151     clReleaseKernel(deshake->opencl_ctx.kernel_chroma);
152     clReleaseProgram(deshake->opencl_ctx.program);
153     deshake->opencl_ctx.command_queue = NULL;
154     av_opencl_uninit();
155 }
156
157 int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
158 {
159     int ret = 0;
160     AVFilterLink *link = ctx->inputs[0];
161     DeshakeContext *deshake = ctx->priv;
162     const int hshift = av_pix_fmt_desc_get(link->format)->log2_chroma_h;
163     int chroma_height = FF_CEIL_RSHIFT(link->h, hshift);
164
165     if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) {
166         deshake->opencl_ctx.in_plane_size[0]  = (in->linesize[0] * in->height);
167         deshake->opencl_ctx.in_plane_size[1]  = (in->linesize[1] * chroma_height);
168         deshake->opencl_ctx.in_plane_size[2]  = (in->linesize[2] * chroma_height);
169         deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
170         deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height);
171         deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height);
172         deshake->opencl_ctx.cl_inbuf_size  = deshake->opencl_ctx.in_plane_size[0] +
173                                              deshake->opencl_ctx.in_plane_size[1] +
174                                              deshake->opencl_ctx.in_plane_size[2];
175         deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] +
176                                              deshake->opencl_ctx.out_plane_size[1] +
177                                              deshake->opencl_ctx.out_plane_size[2];
178         if (!deshake->opencl_ctx.cl_inbuf) {
179             ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf,
180                                             deshake->opencl_ctx.cl_inbuf_size,
181                                             CL_MEM_READ_ONLY, NULL);
182             if (ret < 0)
183                 return ret;
184         }
185         if (!deshake->opencl_ctx.cl_outbuf) {
186             ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf,
187                                             deshake->opencl_ctx.cl_outbuf_size,
188                                             CL_MEM_READ_WRITE, NULL);
189             if (ret < 0)
190                 return ret;
191         }
192     }
193     ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf,
194                                  deshake->opencl_ctx.cl_inbuf_size,
195                                  0, in->data,deshake->opencl_ctx.in_plane_size,
196                                  deshake->opencl_ctx.plane_num);
197     if(ret < 0)
198         return ret;
199     return ret;
200 }