0,0 → 1,283 |
/* |
* 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 |
* unsharp input video |
*/ |
|
#include "unsharp_opencl.h" |
#include "libavutil/common.h" |
#include "libavutil/opencl_internal.h" |
|
#define PLANE_NUM 3 |
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static inline void add_mask_counter(uint32_t *dst, uint32_t *counter1, uint32_t *counter2, int len) |
{ |
int i; |
for (i = 0; i < len; i++) { |
dst[i] = counter1[i] + counter2[i]; |
} |
} |
|
static int compute_mask(int step, uint32_t *mask) |
{ |
int i, z, ret = 0; |
int counter_size = sizeof(uint32_t) * (2 * step + 1); |
uint32_t *temp1_counter, *temp2_counter, **counter; |
temp1_counter = av_mallocz(counter_size); |
if (!temp1_counter) { |
ret = AVERROR(ENOMEM); |
goto end; |
} |
temp2_counter = av_mallocz(counter_size); |
if (!temp2_counter) { |
ret = AVERROR(ENOMEM); |
goto end; |
} |
counter = av_mallocz(sizeof(uint32_t *) * (2 * step + 1)); |
if (!counter) { |
ret = AVERROR(ENOMEM); |
goto end; |
} |
for (i = 0; i < 2 * step + 1; i++) { |
counter[i] = av_mallocz(counter_size); |
if (!counter[i]) { |
ret = AVERROR(ENOMEM); |
goto end; |
} |
} |
for (i = 0; i < 2 * step + 1; i++) { |
memset(temp1_counter, 0, counter_size); |
temp1_counter[i] = 1; |
for (z = 0; z < step * 2; z += 2) { |
add_mask_counter(temp2_counter, counter[z], temp1_counter, step * 2); |
memcpy(counter[z], temp1_counter, counter_size); |
add_mask_counter(temp1_counter, counter[z + 1], temp2_counter, step * 2); |
memcpy(counter[z + 1], temp2_counter, counter_size); |
} |
} |
memcpy(mask, temp1_counter, counter_size); |
end: |
av_freep(&temp1_counter); |
av_freep(&temp2_counter); |
for (i = 0; i < 2 * step + 1; i++) { |
av_freep(&counter[i]); |
} |
av_freep(&counter); |
return ret; |
} |
|
static int compute_mask_matrix(cl_mem cl_mask_matrix, int step_x, int step_y) |
{ |
int i, j, ret = 0; |
uint32_t *mask_matrix, *mask_x, *mask_y; |
size_t size_matrix = sizeof(uint32_t) * (2 * step_x + 1) * (2 * step_y + 1); |
mask_x = av_mallocz(sizeof(uint32_t) * (2 * step_x + 1)); |
if (!mask_x) { |
ret = AVERROR(ENOMEM); |
goto end; |
} |
mask_y = av_mallocz(sizeof(uint32_t) * (2 * step_y + 1)); |
if (!mask_y) { |
ret = AVERROR(ENOMEM); |
goto end; |
} |
mask_matrix = av_mallocz(size_matrix); |
if (!mask_matrix) { |
ret = AVERROR(ENOMEM); |
goto end; |
} |
ret = compute_mask(step_x, mask_x); |
if (ret < 0) |
goto end; |
ret = compute_mask(step_y, mask_y); |
if (ret < 0) |
goto end; |
for (j = 0; j < 2 * step_y + 1; j++) { |
for (i = 0; i < 2 * step_x + 1; i++) { |
mask_matrix[i + j * (2 * step_x + 1)] = mask_y[j] * mask_x[i]; |
} |
} |
ret = av_opencl_buffer_write(cl_mask_matrix, (uint8_t *)mask_matrix, size_matrix); |
end: |
av_freep(&mask_x); |
av_freep(&mask_y); |
av_freep(&mask_matrix); |
return ret; |
} |
|
static int generate_mask(AVFilterContext *ctx) |
{ |
UnsharpContext *unsharp = ctx->priv; |
int i, ret = 0, step_x[2], step_y[2]; |
cl_mem mask_matrix[2]; |
mask_matrix[0] = unsharp->opencl_ctx.cl_luma_mask; |
mask_matrix[1] = unsharp->opencl_ctx.cl_chroma_mask; |
step_x[0] = unsharp->luma.steps_x; |
step_x[1] = unsharp->chroma.steps_x; |
step_y[0] = unsharp->luma.steps_y; |
step_y[1] = unsharp->chroma.steps_y; |
if (!mask_matrix[0] || !mask_matrix[1]) { |
av_log(ctx, AV_LOG_ERROR, "Luma mask and chroma mask should not be NULL\n"); |
return AVERROR(EINVAL); |
} |
for (i = 0; i < 2; i++) { |
ret = compute_mask_matrix(mask_matrix[i], step_x[i], step_y[i]); |
if (ret < 0) |
return ret; |
} |
return ret; |
} |
|
int ff_opencl_apply_unsharp(AVFilterContext *ctx, AVFrame *in, AVFrame *out) |
{ |
int ret; |
AVFilterLink *link = ctx->inputs[0]; |
UnsharpContext *unsharp = ctx->priv; |
cl_int status; |
int cw = FF_CEIL_RSHIFT(link->w, unsharp->hsub); |
int ch = FF_CEIL_RSHIFT(link->h, unsharp->vsub); |
const size_t global_work_size = link->w * link->h + 2 * ch * cw; |
FFOpenclParam opencl_param = {0}; |
|
opencl_param.ctx = ctx; |
opencl_param.kernel = unsharp->opencl_ctx.kernel_env.kernel; |
ret = ff_opencl_set_parameter(&opencl_param, |
FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf), |
FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf), |
FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask), |
FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask), |
FF_OPENCL_PARAM_INFO(unsharp->luma.amount), |
FF_OPENCL_PARAM_INFO(unsharp->chroma.amount), |
FF_OPENCL_PARAM_INFO(unsharp->luma.steps_x), |
FF_OPENCL_PARAM_INFO(unsharp->luma.steps_y), |
FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_x), |
FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_y), |
FF_OPENCL_PARAM_INFO(unsharp->luma.scalebits), |
FF_OPENCL_PARAM_INFO(unsharp->chroma.scalebits), |
FF_OPENCL_PARAM_INFO(unsharp->luma.halfscale), |
FF_OPENCL_PARAM_INFO(unsharp->chroma.halfscale), |
FF_OPENCL_PARAM_INFO(in->linesize[0]), |
FF_OPENCL_PARAM_INFO(in->linesize[1]), |
FF_OPENCL_PARAM_INFO(out->linesize[0]), |
FF_OPENCL_PARAM_INFO(out->linesize[1]), |
FF_OPENCL_PARAM_INFO(link->h), |
FF_OPENCL_PARAM_INFO(link->w), |
FF_OPENCL_PARAM_INFO(ch), |
FF_OPENCL_PARAM_INFO(cw), |
NULL); |
if (ret < 0) |
return ret; |
status = clEnqueueNDRangeKernel(unsharp->opencl_ctx.kernel_env.command_queue, |
unsharp->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(unsharp->opencl_ctx.kernel_env.command_queue); |
return av_opencl_buffer_read_image(out->data, unsharp->opencl_ctx.out_plane_size, |
unsharp->opencl_ctx.plane_num, unsharp->opencl_ctx.cl_outbuf, |
unsharp->opencl_ctx.cl_outbuf_size); |
} |
|
int ff_opencl_unsharp_init(AVFilterContext *ctx) |
{ |
int ret = 0; |
UnsharpContext *unsharp = ctx->priv; |
ret = av_opencl_init(NULL); |
if (ret < 0) |
return ret; |
ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask, |
sizeof(uint32_t) * (2 * unsharp->luma.steps_x + 1) * (2 * unsharp->luma.steps_y + 1), |
CL_MEM_READ_ONLY, NULL); |
if (ret < 0) |
return ret; |
ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask, |
sizeof(uint32_t) * (2 * unsharp->chroma.steps_x + 1) * (2 * unsharp->chroma.steps_y + 1), |
CL_MEM_READ_ONLY, NULL); |
if (ret < 0) |
return ret; |
ret = generate_mask(ctx); |
if (ret < 0) |
return ret; |
unsharp->opencl_ctx.plane_num = PLANE_NUM; |
if (!unsharp->opencl_ctx.kernel_env.kernel) { |
ret = av_opencl_create_kernel(&unsharp->opencl_ctx.kernel_env, "unsharp"); |
if (ret < 0) { |
av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel with name 'unsharp'\n"); |
return ret; |
} |
} |
return ret; |
} |
|
void ff_opencl_unsharp_uninit(AVFilterContext *ctx) |
{ |
UnsharpContext *unsharp = ctx->priv; |
av_opencl_buffer_release(&unsharp->opencl_ctx.cl_inbuf); |
av_opencl_buffer_release(&unsharp->opencl_ctx.cl_outbuf); |
av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask); |
av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask); |
av_opencl_release_kernel(&unsharp->opencl_ctx.kernel_env); |
av_opencl_uninit(); |
} |
|
int ff_opencl_unsharp_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out) |
{ |
int ret = 0; |
AVFilterLink *link = ctx->inputs[0]; |
UnsharpContext *unsharp = ctx->priv; |
int ch = FF_CEIL_RSHIFT(link->h, unsharp->vsub); |
|
if ((!unsharp->opencl_ctx.cl_inbuf) || (!unsharp->opencl_ctx.cl_outbuf)) { |
unsharp->opencl_ctx.in_plane_size[0] = (in->linesize[0] * in->height); |
unsharp->opencl_ctx.in_plane_size[1] = (in->linesize[1] * ch); |
unsharp->opencl_ctx.in_plane_size[2] = (in->linesize[2] * ch); |
unsharp->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height); |
unsharp->opencl_ctx.out_plane_size[1] = (out->linesize[1] * ch); |
unsharp->opencl_ctx.out_plane_size[2] = (out->linesize[2] * ch); |
unsharp->opencl_ctx.cl_inbuf_size = unsharp->opencl_ctx.in_plane_size[0] + |
unsharp->opencl_ctx.in_plane_size[1] + |
unsharp->opencl_ctx.in_plane_size[2]; |
unsharp->opencl_ctx.cl_outbuf_size = unsharp->opencl_ctx.out_plane_size[0] + |
unsharp->opencl_ctx.out_plane_size[1] + |
unsharp->opencl_ctx.out_plane_size[2]; |
if (!unsharp->opencl_ctx.cl_inbuf) { |
ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_inbuf, |
unsharp->opencl_ctx.cl_inbuf_size, |
CL_MEM_READ_ONLY, NULL); |
if (ret < 0) |
return ret; |
} |
if (!unsharp->opencl_ctx.cl_outbuf) { |
ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_outbuf, |
unsharp->opencl_ctx.cl_outbuf_size, |
CL_MEM_READ_WRITE, NULL); |
if (ret < 0) |
return ret; |
} |
} |
return av_opencl_buffer_write_image(unsharp->opencl_ctx.cl_inbuf, |
unsharp->opencl_ctx.cl_inbuf_size, |
0, in->data, unsharp->opencl_ctx.in_plane_size, |
unsharp->opencl_ctx.plane_num); |
} |