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Diffstat (limited to 'libavfilter/deshake_opencl.c')
-rw-r--r--libavfilter/deshake_opencl.c200
1 files changed, 200 insertions, 0 deletions
diff --git a/libavfilter/deshake_opencl.c b/libavfilter/deshake_opencl.c
new file mode 100644
index 0000000000..caf2bf2e2d
--- /dev/null
+++ b/libavfilter/deshake_opencl.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
+ * Copyright (C) 2013 Lenny Wang
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * transform input video
+ */
+
+#include "libavutil/common.h"
+#include "libavutil/dict.h"
+#include "libavutil/pixdesc.h"
+#include "deshake_opencl.h"
+#include "libavutil/opencl_internal.h"
+
+#define PLANE_NUM 3
+#define ROUND_TO_16(a) ((((a - 1)/16)+1)*16)
+
+int ff_opencl_transform(AVFilterContext *ctx,
+ int width, int height, int cw, int ch,
+ const float *matrix_y, const float *matrix_uv,
+ enum InterpolateMethod interpolate,
+ enum FillMethod fill, AVFrame *in, AVFrame *out)
+{
+ int ret = 0;
+ cl_int status;
+ DeshakeContext *deshake = ctx->priv;
+ float4 packed_matrix_lu = {matrix_y[0], matrix_y[1], matrix_y[2], matrix_y[5]};
+ float4 packed_matrix_ch = {matrix_uv[0], matrix_uv[1], matrix_uv[2], matrix_uv[5]};
+ size_t global_worksize_lu[2] = {(size_t)ROUND_TO_16(width), (size_t)ROUND_TO_16(height)};
+ size_t global_worksize_ch[2] = {(size_t)ROUND_TO_16(cw), (size_t)(2*ROUND_TO_16(ch))};
+ size_t local_worksize[2] = {16, 16};
+ FFOpenclParam param_lu = {0};
+ FFOpenclParam param_ch = {0};
+ param_lu.ctx = param_ch.ctx = ctx;
+ param_lu.kernel = deshake->opencl_ctx.kernel_luma;
+ param_ch.kernel = deshake->opencl_ctx.kernel_chroma;
+
+ if ((unsigned int)interpolate > INTERPOLATE_BIQUADRATIC) {
+ av_log(ctx, AV_LOG_ERROR, "Selected interpolate method is invalid\n");
+ return AVERROR(EINVAL);
+ }
+ ret = ff_opencl_set_parameter(&param_lu,
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
+ FF_OPENCL_PARAM_INFO(packed_matrix_lu),
+ FF_OPENCL_PARAM_INFO(interpolate),
+ FF_OPENCL_PARAM_INFO(fill),
+ FF_OPENCL_PARAM_INFO(in->linesize[0]),
+ FF_OPENCL_PARAM_INFO(out->linesize[0]),
+ FF_OPENCL_PARAM_INFO(height),
+ FF_OPENCL_PARAM_INFO(width),
+ NULL);
+ if (ret < 0)
+ return ret;
+ ret = ff_opencl_set_parameter(&param_ch,
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
+ FF_OPENCL_PARAM_INFO(packed_matrix_ch),
+ FF_OPENCL_PARAM_INFO(interpolate),
+ FF_OPENCL_PARAM_INFO(fill),
+ FF_OPENCL_PARAM_INFO(in->linesize[0]),
+ FF_OPENCL_PARAM_INFO(out->linesize[0]),
+ FF_OPENCL_PARAM_INFO(in->linesize[1]),
+ FF_OPENCL_PARAM_INFO(out->linesize[1]),
+ FF_OPENCL_PARAM_INFO(height),
+ FF_OPENCL_PARAM_INFO(width),
+ FF_OPENCL_PARAM_INFO(ch),
+ FF_OPENCL_PARAM_INFO(cw),
+ NULL);
+ if (ret < 0)
+ return ret;
+ status = clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
+ deshake->opencl_ctx.kernel_luma, 2, NULL,
+ global_worksize_lu, local_worksize, 0, NULL, NULL);
+ status |= clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
+ deshake->opencl_ctx.kernel_chroma, 2, NULL,
+ global_worksize_ch, local_worksize, 0, NULL, NULL);
+ if (status != CL_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
+ return AVERROR_EXTERNAL;
+ }
+ ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size,
+ deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf,
+ deshake->opencl_ctx.cl_outbuf_size);
+ if (ret < 0)
+ return ret;
+ return ret;
+}
+
+int ff_opencl_deshake_init(AVFilterContext *ctx)
+{
+ int ret = 0;
+ DeshakeContext *deshake = ctx->priv;
+ ret = av_opencl_init(NULL);
+ if (ret < 0)
+ return ret;
+ deshake->opencl_ctx.plane_num = PLANE_NUM;
+ deshake->opencl_ctx.command_queue = av_opencl_get_command_queue();
+ if (!deshake->opencl_ctx.command_queue) {
+ av_log(ctx, AV_LOG_ERROR, "Unable to get OpenCL command queue in filter 'deshake'\n");
+ return AVERROR(EINVAL);
+ }
+ deshake->opencl_ctx.program = av_opencl_compile("avfilter_transform", NULL);
+ if (!deshake->opencl_ctx.program) {
+ av_log(ctx, AV_LOG_ERROR, "OpenCL failed to compile program 'avfilter_transform'\n");
+ return AVERROR(EINVAL);
+ }
+ if (!deshake->opencl_ctx.kernel_luma) {
+ deshake->opencl_ctx.kernel_luma = clCreateKernel(deshake->opencl_ctx.program,
+ "avfilter_transform_luma", &ret);
+ if (ret != CL_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_luma'\n");
+ return AVERROR(EINVAL);
+ }
+ }
+ if (!deshake->opencl_ctx.kernel_chroma) {
+ deshake->opencl_ctx.kernel_chroma = clCreateKernel(deshake->opencl_ctx.program,
+ "avfilter_transform_chroma", &ret);
+ if (ret != CL_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_chroma'\n");
+ return AVERROR(EINVAL);
+ }
+ }
+ return ret;
+}
+
+void ff_opencl_deshake_uninit(AVFilterContext *ctx)
+{
+ DeshakeContext *deshake = ctx->priv;
+ av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf);
+ av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf);
+ clReleaseKernel(deshake->opencl_ctx.kernel_luma);
+ clReleaseKernel(deshake->opencl_ctx.kernel_chroma);
+ clReleaseProgram(deshake->opencl_ctx.program);
+ deshake->opencl_ctx.command_queue = NULL;
+ av_opencl_uninit();
+}
+
+int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
+{
+ int ret = 0;
+ AVFilterLink *link = ctx->inputs[0];
+ DeshakeContext *deshake = ctx->priv;
+ const int hshift = av_pix_fmt_desc_get(link->format)->log2_chroma_h;
+ int chroma_height = FF_CEIL_RSHIFT(link->h, hshift);
+
+ if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) {
+ deshake->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height);
+ deshake->opencl_ctx.in_plane_size[1] = (in->linesize[1] * chroma_height);
+ deshake->opencl_ctx.in_plane_size[2] = (in->linesize[2] * chroma_height);
+ deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
+ deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height);
+ deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height);
+ deshake->opencl_ctx.cl_inbuf_size = deshake->opencl_ctx.in_plane_size[0] +
+ deshake->opencl_ctx.in_plane_size[1] +
+ deshake->opencl_ctx.in_plane_size[2];
+ deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] +
+ deshake->opencl_ctx.out_plane_size[1] +
+ deshake->opencl_ctx.out_plane_size[2];
+ if (!deshake->opencl_ctx.cl_inbuf) {
+ ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf,
+ deshake->opencl_ctx.cl_inbuf_size,
+ CL_MEM_READ_ONLY, NULL);
+ if (ret < 0)
+ return ret;
+ }
+ if (!deshake->opencl_ctx.cl_outbuf) {
+ ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf,
+ deshake->opencl_ctx.cl_outbuf_size,
+ CL_MEM_READ_WRITE, NULL);
+ if (ret < 0)
+ return ret;
+ }
+ }
+ ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf,
+ deshake->opencl_ctx.cl_inbuf_size,
+ 0, in->data,deshake->opencl_ctx.in_plane_size,
+ deshake->opencl_ctx.plane_num);
+ if(ret < 0)
+ return ret;
+ return ret;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 20:36:14 +0000