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-rw-r--r--libavfilter/deshake_opencl.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/libavfilter/deshake_opencl.c b/libavfilter/deshake_opencl.c
new file mode 100644
index 0000000000..eea873ea4a
--- /dev/null
+++ b/libavfilter/deshake_opencl.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
+ *
+ * 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 MATRIX_SIZE 6
+#define PLANE_NUM 3
+
+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;
+ const size_t global_work_size = width * height + 2 * ch * cw;
+ cl_int status;
+ DeshakeContext *deshake = ctx->priv;
+ FFOpenclParam opencl_param = {0};
+
+ opencl_param.ctx = ctx;
+ opencl_param.kernel = deshake->opencl_ctx.kernel_env.kernel;
+ ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_y, (uint8_t *)matrix_y, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
+ if (ret < 0)
+ return ret;
+ ret = av_opencl_buffer_write(deshake->opencl_ctx.cl_matrix_uv, (uint8_t *)matrix_uv, deshake->opencl_ctx.matrix_size * sizeof(cl_float));
+ if (ret < 0)
+ return ret;
+
+ 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(&opencl_param,
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_matrix_y),
+ FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_matrix_uv),
+ 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.kernel_env.command_queue,
+ deshake->opencl_ctx.kernel_env.kernel, 1, NULL,
+ &global_work_size, NULL, 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;
+ }
+ clFinish(deshake->opencl_ctx.kernel_env.command_queue);
+ 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.matrix_size = MATRIX_SIZE;
+ deshake->opencl_ctx.plane_num = PLANE_NUM;
+ ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_y,
+ deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
+ if (ret < 0)
+ return ret;
+ ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_matrix_uv,
+ deshake->opencl_ctx.matrix_size*sizeof(cl_float), CL_MEM_READ_ONLY, NULL);
+ if (ret < 0)
+ return ret;
+ if (!deshake->opencl_ctx.kernel_env.kernel) {
+ ret = av_opencl_create_kernel(&deshake->opencl_ctx.kernel_env, "avfilter_transform");
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel for name 'avfilter_transform'\n");
+ return ret;
+ }
+ }
+ 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);
+ av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_y);
+ av_opencl_buffer_release(&deshake->opencl_ctx.cl_matrix_uv);
+ av_opencl_release_kernel(&deshake->opencl_ctx.kernel_env);
+ 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 2024-07-10 04:31:24 +0000