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376 lines
14 KiB
376 lines
14 KiB
/* |
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* Copyright (c) Lynne |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/random_seed.h" |
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#include "libavutil/csp.h" |
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#include "libavutil/opt.h" |
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#include "vulkan_filter.h" |
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#include "vulkan_spirv.h" |
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#include "filters.h" |
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#include "colorspace.h" |
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#include "video.h" |
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enum TestSrcVulkanMode { |
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TESTSRC_COLOR, |
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}; |
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typedef struct TestSrcVulkanPushData { |
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float color_comp[4]; |
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} TestSrcVulkanPushData; |
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typedef struct TestSrcVulkanContext { |
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FFVulkanContext vkctx; |
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int initialized; |
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FFVulkanPipeline pl; |
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FFVkExecPool e; |
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FFVkQueueFamilyCtx qf; |
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FFVkSPIRVShader shd; |
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/* Only used by color_vulkan */ |
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uint8_t color_rgba[4]; |
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TestSrcVulkanPushData opts; |
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int w, h; |
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int pw, ph; |
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char *out_format_string; |
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enum AVColorRange out_range; |
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unsigned int nb_frame; |
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AVRational time_base, frame_rate; |
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int64_t pts; |
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int64_t duration; ///< duration expressed in microseconds |
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AVRational sar; ///< sample aspect ratio |
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int draw_once; ///< draw only the first frame, always put out the same picture |
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int draw_once_reset; ///< draw only the first frame or in case of reset |
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AVFrame *picref; ///< cached reference containing the painted picture |
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} TestSrcVulkanContext; |
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static av_cold int init_filter(AVFilterContext *ctx, enum TestSrcVulkanMode mode) |
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{ |
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int err; |
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uint8_t *spv_data; |
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size_t spv_len; |
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void *spv_opaque = NULL; |
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TestSrcVulkanContext *s = ctx->priv; |
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FFVulkanContext *vkctx = &s->vkctx; |
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const int planes = av_pix_fmt_count_planes(s->vkctx.output_format); |
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FFVkSPIRVShader *shd = &s->shd; |
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FFVkSPIRVCompiler *spv; |
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FFVulkanDescriptorSetBinding *desc_set; |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->vkctx.output_format); |
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spv = ff_vk_spirv_init(); |
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if (!spv) { |
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av_log(ctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n"); |
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return AVERROR_EXTERNAL; |
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} |
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ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT); |
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RET(ff_vk_exec_pool_init(vkctx, &s->qf, &s->e, s->qf.nb_queues*4, 0, 0, 0, NULL)); |
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RET(ff_vk_shader_init(&s->pl, &s->shd, "testsrc_compute", |
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VK_SHADER_STAGE_COMPUTE_BIT, 0)); |
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ff_vk_shader_set_compute_sizes(&s->shd, 32, 32, 1); |
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GLSLC(0, layout(push_constant, std430) uniform pushConstants { ); |
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GLSLC(1, vec4 color_comp; ); |
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GLSLC(0, }; ); |
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GLSLC(0, ); |
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ff_vk_add_push_constant(&s->pl, 0, sizeof(s->opts), |
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VK_SHADER_STAGE_COMPUTE_BIT); |
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desc_set = (FFVulkanDescriptorSetBinding []) { |
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{ |
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.name = "output_img", |
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.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, |
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.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format), |
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.mem_quali = "writeonly", |
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.dimensions = 2, |
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.elems = planes, |
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.stages = VK_SHADER_STAGE_COMPUTE_BIT, |
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}, |
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}; |
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RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl, shd, desc_set, 1, 0, 0)); |
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GLSLC(0, void main() ); |
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GLSLC(0, { ); |
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GLSLC(1, ivec2 pos = ivec2(gl_GlobalInvocationID.xy); ); |
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if (mode == TESTSRC_COLOR) { |
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double rgb2yuv[3][3]; |
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double rgbad[4]; |
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double yuvad[4]; |
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enum AVColorSpace csp; |
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const AVLumaCoefficients *luma = NULL; |
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s->draw_once = 1; |
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if (desc->flags & AV_PIX_FMT_FLAG_RGB) |
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csp = AVCOL_SPC_RGB; |
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else |
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csp = AVCOL_SPC_SMPTE170M; |
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if (!(desc->flags & AV_PIX_FMT_FLAG_RGB) && !(luma = av_csp_luma_coeffs_from_avcsp(csp))) |
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return AVERROR(EINVAL); |
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else if (!(desc->flags & AV_PIX_FMT_FLAG_RGB)) |
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ff_fill_rgb2yuv_table(luma, rgb2yuv); |
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for (int i = 0; i < 4; i++) |
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rgbad[i] = s->color_rgba[i] / 255.0; |
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if (!(desc->flags & AV_PIX_FMT_FLAG_RGB)) |
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ff_matrix_mul_3x3_vec(yuvad, rgbad, rgb2yuv); |
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else |
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memcpy(yuvad, rgbad, sizeof(rgbad)); |
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yuvad[3] = rgbad[3]; |
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if (!(desc->flags & AV_PIX_FMT_FLAG_RGB)) { |
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for (int i = 0; i < 3; i++) { |
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int chroma = (!(desc->flags & AV_PIX_FMT_FLAG_RGB) && i > 0); |
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if (s->out_range == AVCOL_RANGE_MPEG) { |
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yuvad[i] *= (chroma ? 224.0 : 219.0) / 255.0; |
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yuvad[i] += (chroma ? 128.0 : 16.0) / 255.0; |
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} else if (chroma) { |
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yuvad[i] += 0.5; |
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} |
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} |
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} |
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/* Ensure we place the alpha appropriately for gray formats */ |
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if (desc->nb_components <= 2) |
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yuvad[1] = yuvad[3]; |
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for (int i = 0; i < 4; i++) |
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s->opts.color_comp[i] = yuvad[i]; |
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GLSLC(1, vec4 r; ); |
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GLSLC(0, ); |
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for (int i = 0, c_off = 0; i < planes; i++) { |
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for (int c = 0; c < desc->nb_components; c++) { |
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if (desc->comp[c].plane == i) { |
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int off = desc->comp[c].offset / (FFALIGN(desc->comp[c].depth, 8)/8); |
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GLSLF(1, r[%i] = color_comp[%i]; ,off, c_off++); |
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} |
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} |
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GLSLF(1, imageStore(output_img[%i], pos, r); ,i); |
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GLSLC(0, ); |
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} |
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} |
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GLSLC(0, } ); |
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RET(spv->compile_shader(spv, ctx, shd, &spv_data, &spv_len, "main", |
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&spv_opaque)); |
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RET(ff_vk_shader_create(vkctx, shd, spv_data, spv_len, "main")); |
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RET(ff_vk_init_compute_pipeline(vkctx, &s->pl, shd)); |
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RET(ff_vk_exec_pipeline_register(vkctx, &s->e, &s->pl)); |
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s->initialized = 1; |
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fail: |
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if (spv_opaque) |
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spv->free_shader(spv, &spv_opaque); |
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if (spv) |
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spv->uninit(&spv); |
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return err; |
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} |
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static int testsrc_vulkan_activate(AVFilterContext *ctx) |
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{ |
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int err; |
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AVFilterLink *outlink = ctx->outputs[0]; |
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TestSrcVulkanContext *s = ctx->priv; |
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AVFrame *frame; |
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if (!s->initialized) { |
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enum TestSrcVulkanMode mode = TESTSRC_COLOR; |
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err = init_filter(ctx, mode); |
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if (err < 0) |
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return err; |
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} |
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if (!ff_outlink_frame_wanted(outlink)) |
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return FFERROR_NOT_READY; |
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if (s->duration >= 0 && |
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av_rescale_q(s->pts, s->time_base, AV_TIME_BASE_Q) >= s->duration) { |
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ff_outlink_set_status(outlink, AVERROR_EOF, s->pts); |
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return 0; |
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} |
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if (s->draw_once) { |
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if (s->draw_once_reset) { |
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av_frame_free(&s->picref); |
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s->draw_once_reset = 0; |
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} |
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if (!s->picref) { |
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s->picref = ff_get_video_buffer(outlink, s->w, s->h); |
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if (!s->picref) |
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return AVERROR(ENOMEM); |
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err = ff_vk_filter_process_simple(&s->vkctx, &s->e, &s->pl, s->picref, NULL, |
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VK_NULL_HANDLE, &s->opts, sizeof(s->opts)); |
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if (err < 0) |
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return err; |
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} |
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frame = av_frame_clone(s->picref); |
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} else { |
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frame = ff_get_video_buffer(outlink, s->w, s->h); |
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} |
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if (!frame) |
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return AVERROR(ENOMEM); |
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frame->pts = s->pts; |
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frame->duration = 1; |
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frame->flags = AV_FRAME_FLAG_KEY; |
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frame->pict_type = AV_PICTURE_TYPE_I; |
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frame->sample_aspect_ratio = s->sar; |
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if (!s->draw_once) { |
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err = ff_vk_filter_process_simple(&s->vkctx, &s->e, &s->pl, frame, NULL, |
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VK_NULL_HANDLE, &s->opts, sizeof(s->opts)); |
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if (err < 0) { |
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av_frame_free(&frame); |
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return err; |
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} |
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} |
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s->pts++; |
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s->nb_frame++; |
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return ff_filter_frame(outlink, frame); |
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} |
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static int testsrc_vulkan_config_props(AVFilterLink *outlink) |
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{ |
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int err; |
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FilterLink *l = ff_filter_link(outlink); |
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TestSrcVulkanContext *s = outlink->src->priv; |
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FFVulkanContext *vkctx = &s->vkctx; |
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if (!s->out_format_string) { |
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vkctx->output_format = AV_PIX_FMT_YUV444P; |
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} else { |
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vkctx->output_format = av_get_pix_fmt(s->out_format_string); |
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if (vkctx->output_format == AV_PIX_FMT_NONE) { |
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av_log(vkctx, AV_LOG_ERROR, "Invalid output format.\n"); |
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return AVERROR(EINVAL); |
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} |
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} |
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err = ff_vk_filter_init_context(outlink->src, vkctx, NULL, |
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s->w, s->h, vkctx->output_format); |
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if (err < 0) |
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return err; |
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l->hw_frames_ctx = av_buffer_ref(vkctx->frames_ref); |
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if (!l->hw_frames_ctx) |
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return AVERROR(ENOMEM); |
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s->time_base = av_inv_q(s->frame_rate); |
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s->nb_frame = 0; |
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s->pts = 0; |
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s->vkctx.output_width = s->w; |
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s->vkctx.output_height = s->h; |
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outlink->w = s->w; |
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outlink->h = s->h; |
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outlink->sample_aspect_ratio = s->sar; |
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l->frame_rate = s->frame_rate; |
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outlink->time_base = s->time_base; |
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return 0; |
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} |
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static void testsrc_vulkan_uninit(AVFilterContext *avctx) |
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{ |
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TestSrcVulkanContext *s = avctx->priv; |
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FFVulkanContext *vkctx = &s->vkctx; |
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av_frame_free(&s->picref); |
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ff_vk_exec_pool_free(vkctx, &s->e); |
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ff_vk_pipeline_free(vkctx, &s->pl); |
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ff_vk_shader_free(vkctx, &s->shd); |
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ff_vk_uninit(&s->vkctx); |
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s->initialized = 0; |
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} |
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#define OFFSET(x) offsetof(TestSrcVulkanContext, x) |
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#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) |
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#define COMMON_OPTS \ |
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{ "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str = "1920x1080" }, 0, 0, FLAGS }, \ |
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{ "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str = "1920x1080" }, 0, 0, FLAGS }, \ |
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\ |
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{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, { .str = "60" }, 0, INT_MAX, FLAGS }, \ |
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{ "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, { .str = "60" }, 0, INT_MAX, FLAGS }, \ |
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\ |
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{ "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT64_MAX, FLAGS }, \ |
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{ "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT64_MAX, FLAGS }, \ |
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\ |
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{ "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, { .dbl = 1 }, 0, INT_MAX, FLAGS }, \ |
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\ |
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{ "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS }, |
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static const AVOption color_vulkan_options[] = { |
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{ "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGS }, |
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{ "c", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGS }, |
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COMMON_OPTS |
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{ "out_range", "Output colour range (from 0 to 2) (default 0)", OFFSET(out_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED}, AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, .flags = FLAGS, .unit = "range" }, |
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{ "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" }, |
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{ "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" }, |
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{ "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" }, |
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{ "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" }, |
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{ "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" }, |
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{ "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" }, |
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{ NULL }, |
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}; |
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AVFILTER_DEFINE_CLASS(color_vulkan); |
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static const AVFilterPad testsrc_vulkan_outputs[] = { |
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{ |
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.name = "default", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.config_props = testsrc_vulkan_config_props, |
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}, |
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}; |
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const AVFilter ff_vsrc_color_vulkan = { |
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.name = "color_vulkan", |
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.description = NULL_IF_CONFIG_SMALL("Generate a constant color (Vulkan)"), |
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.priv_size = sizeof(TestSrcVulkanContext), |
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.init = &ff_vk_filter_init, |
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.uninit = &testsrc_vulkan_uninit, |
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.inputs = NULL, |
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.flags = AVFILTER_FLAG_HWDEVICE, |
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.activate = testsrc_vulkan_activate, |
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FILTER_OUTPUTS(testsrc_vulkan_outputs), |
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FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN), |
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.priv_class = &color_vulkan_class, |
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.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
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};
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