| /* |
| * Copyright (c) Lynne |
| * |
| * 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 |
| */ |
| |
| #include "libavutil/random_seed.h" |
| #include "libavutil/opt.h" |
| #include "vulkan_filter.h" |
| #include "vulkan_spirv.h" |
| #include "scale_eval.h" |
| #include "internal.h" |
| #include "colorspace.h" |
| #include "video.h" |
| |
| enum ScalerFunc { |
| F_BILINEAR = 0, |
| F_NEAREST, |
| |
| F_NB, |
| }; |
| |
| typedef struct ScaleVulkanContext { |
| FFVulkanContext vkctx; |
| |
| int initialized; |
| FFVulkanPipeline pl; |
| FFVkExecPool e; |
| FFVkQueueFamilyCtx qf; |
| FFVkSPIRVShader shd; |
| VkSampler sampler; |
| |
| /* Push constants / options */ |
| struct { |
| float yuv_matrix[4][4]; |
| } opts; |
| |
| char *out_format_string; |
| char *w_expr; |
| char *h_expr; |
| |
| enum ScalerFunc scaler; |
| enum AVColorRange out_range; |
| } ScaleVulkanContext; |
| |
| static const char scale_bilinear[] = { |
| C(0, vec4 scale_bilinear(int idx, ivec2 pos, vec2 crop_range, vec2 crop_off)) |
| C(0, { ) |
| C(1, vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]); ) |
| C(1, npos *= crop_range; /* Reduce the range */ ) |
| C(1, npos += crop_off; /* Offset the start */ ) |
| C(1, return texture(input_img[idx], npos); ) |
| C(0, } ) |
| }; |
| |
| static const char rgb2yuv[] = { |
| C(0, vec4 rgb2yuv(vec4 src, int fullrange) ) |
| C(0, { ) |
| C(1, src *= yuv_matrix; ) |
| C(1, if (fullrange == 1) { ) |
| C(2, src += vec4(0.0, 0.5, 0.5, 0.0); ) |
| C(1, } else { ) |
| C(2, src *= vec4(219.0 / 255.0, 224.0 / 255.0, 224.0 / 255.0, 1.0); ) |
| C(2, src += vec4(16.0 / 255.0, 128.0 / 255.0, 128.0 / 255.0, 0.0); ) |
| C(1, } ) |
| C(1, return src; ) |
| C(0, } ) |
| }; |
| |
| static const char write_nv12[] = { |
| C(0, void write_nv12(vec4 src, ivec2 pos) ) |
| C(0, { ) |
| C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); ) |
| C(1, pos /= ivec2(2); ) |
| C(1, imageStore(output_img[1], pos, vec4(src.g, src.b, 0.0, 0.0)); ) |
| C(0, } ) |
| }; |
| |
| static const char write_420[] = { |
| C(0, void write_420(vec4 src, ivec2 pos) ) |
| C(0, { ) |
| C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); ) |
| C(1, pos /= ivec2(2); ) |
| C(1, imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0)); ) |
| C(1, imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0)); ) |
| C(0, } ) |
| }; |
| |
| static const char write_444[] = { |
| C(0, void write_444(vec4 src, ivec2 pos) ) |
| C(0, { ) |
| C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); ) |
| C(1, imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0)); ) |
| C(1, imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0)); ) |
| C(0, } ) |
| }; |
| |
| static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in) |
| { |
| int err; |
| uint8_t *spv_data; |
| size_t spv_len; |
| void *spv_opaque = NULL; |
| VkFilter sampler_mode; |
| ScaleVulkanContext *s = ctx->priv; |
| FFVulkanContext *vkctx = &s->vkctx; |
| FFVkSPIRVShader *shd = &s->shd; |
| FFVkSPIRVCompiler *spv; |
| FFVulkanDescriptorSetBinding *desc; |
| |
| int crop_x = in->crop_left; |
| int crop_y = in->crop_top; |
| int crop_w = in->width - (in->crop_left + in->crop_right); |
| int crop_h = in->height - (in->crop_top + in->crop_bottom); |
| int in_planes = av_pix_fmt_count_planes(s->vkctx.input_format); |
| |
| switch (s->scaler) { |
| case F_NEAREST: |
| sampler_mode = VK_FILTER_NEAREST; |
| break; |
| case F_BILINEAR: |
| sampler_mode = VK_FILTER_LINEAR; |
| break; |
| }; |
| |
| spv = ff_vk_spirv_init(); |
| if (!spv) { |
| av_log(ctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n"); |
| return AVERROR_EXTERNAL; |
| } |
| |
| ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT); |
| RET(ff_vk_exec_pool_init(vkctx, &s->qf, &s->e, s->qf.nb_queues*4, 0, 0, 0, NULL)); |
| RET(ff_vk_init_sampler(vkctx, &s->sampler, 0, sampler_mode)); |
| RET(ff_vk_shader_init(&s->pl, &s->shd, "scale_compute", |
| VK_SHADER_STAGE_COMPUTE_BIT, 0)); |
| |
| ff_vk_shader_set_compute_sizes(&s->shd, 32, 32, 1); |
| |
| GLSLC(0, layout(push_constant, std430) uniform pushConstants { ); |
| GLSLC(1, mat4 yuv_matrix; ); |
| GLSLC(0, }; ); |
| GLSLC(0, ); |
| |
| ff_vk_add_push_constant(&s->pl, 0, sizeof(s->opts), |
| VK_SHADER_STAGE_COMPUTE_BIT); |
| |
| desc = (FFVulkanDescriptorSetBinding []) { |
| { |
| .name = "input_img", |
| .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
| .dimensions = 2, |
| .elems = in_planes, |
| .stages = VK_SHADER_STAGE_COMPUTE_BIT, |
| .samplers = DUP_SAMPLER(s->sampler), |
| }, |
| { |
| .name = "output_img", |
| .type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, |
| .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format), |
| .mem_quali = "writeonly", |
| .dimensions = 2, |
| .elems = av_pix_fmt_count_planes(s->vkctx.output_format), |
| .stages = VK_SHADER_STAGE_COMPUTE_BIT, |
| }, |
| }; |
| |
| RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl, shd, desc, 2, 0, 0)); |
| |
| GLSLD( scale_bilinear ); |
| |
| if (s->vkctx.output_format != s->vkctx.input_format) { |
| GLSLD( rgb2yuv ); |
| } |
| |
| switch (s->vkctx.output_format) { |
| case AV_PIX_FMT_NV12: GLSLD(write_nv12); break; |
| case AV_PIX_FMT_YUV420P: GLSLD( write_420); break; |
| case AV_PIX_FMT_YUV444P: GLSLD( write_444); break; |
| default: break; |
| } |
| |
| GLSLC(0, void main() ); |
| GLSLC(0, { ); |
| GLSLC(1, ivec2 size; ); |
| GLSLC(1, ivec2 pos = ivec2(gl_GlobalInvocationID.xy); ); |
| GLSLF(1, vec2 in_d = vec2(%i, %i); ,in->width, in->height); |
| GLSLF(1, vec2 c_r = vec2(%i, %i) / in_d; ,crop_w, crop_h); |
| GLSLF(1, vec2 c_o = vec2(%i, %i) / in_d; ,crop_x,crop_y); |
| GLSLC(0, ); |
| |
| if (s->vkctx.output_format == s->vkctx.input_format) { |
| for (int i = 0; i < desc[1].elems; i++) { |
| GLSLF(1, size = imageSize(output_img[%i]); ,i); |
| GLSLC(1, if (IS_WITHIN(pos, size)) { ); |
| switch (s->scaler) { |
| case F_NEAREST: |
| case F_BILINEAR: |
| GLSLF(2, vec4 res = scale_bilinear(%i, pos, c_r, c_o); ,i); |
| GLSLF(2, imageStore(output_img[%i], pos, res); ,i); |
| break; |
| }; |
| GLSLC(1, } ); |
| } |
| } else { |
| GLSLC(1, vec4 res = scale_bilinear(0, pos, c_r, c_o); ); |
| GLSLF(1, res = rgb2yuv(res, %i); ,s->out_range == AVCOL_RANGE_JPEG); |
| switch (s->vkctx.output_format) { |
| case AV_PIX_FMT_NV12: GLSLC(1, write_nv12(res, pos); ); break; |
| case AV_PIX_FMT_YUV420P: GLSLC(1, write_420(res, pos); ); break; |
| case AV_PIX_FMT_YUV444P: GLSLC(1, write_444(res, pos); ); break; |
| default: return AVERROR(EINVAL); |
| } |
| } |
| |
| GLSLC(0, } ); |
| |
| if (s->vkctx.output_format != s->vkctx.input_format) { |
| const AVLumaCoefficients *lcoeffs; |
| double tmp_mat[3][3]; |
| |
| lcoeffs = av_csp_luma_coeffs_from_avcsp(in->colorspace); |
| if (!lcoeffs) { |
| av_log(ctx, AV_LOG_ERROR, "Unsupported colorspace\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| ff_fill_rgb2yuv_table(lcoeffs, tmp_mat); |
| |
| for (int y = 0; y < 3; y++) |
| for (int x = 0; x < 3; x++) |
| s->opts.yuv_matrix[x][y] = tmp_mat[x][y]; |
| s->opts.yuv_matrix[3][3] = 1.0; |
| } |
| |
| RET(spv->compile_shader(spv, ctx, shd, &spv_data, &spv_len, "main", |
| &spv_opaque)); |
| RET(ff_vk_shader_create(vkctx, shd, spv_data, spv_len, "main")); |
| |
| RET(ff_vk_init_compute_pipeline(vkctx, &s->pl, shd)); |
| RET(ff_vk_exec_pipeline_register(vkctx, &s->e, &s->pl)); |
| |
| s->initialized = 1; |
| |
| fail: |
| if (spv_opaque) |
| spv->free_shader(spv, &spv_opaque); |
| if (spv) |
| spv->uninit(&spv); |
| |
| return err; |
| } |
| |
| static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in) |
| { |
| int err; |
| AVFilterContext *ctx = link->dst; |
| ScaleVulkanContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| |
| AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| if (!out) { |
| err = AVERROR(ENOMEM); |
| goto fail; |
| } |
| |
| if (!s->initialized) |
| RET(init_filter(ctx, in)); |
| |
| RET(ff_vk_filter_process_simple(&s->vkctx, &s->e, &s->pl, out, in, |
| s->sampler, &s->opts, sizeof(s->opts))); |
| |
| err = av_frame_copy_props(out, in); |
| if (err < 0) |
| goto fail; |
| |
| if (s->out_range != AVCOL_RANGE_UNSPECIFIED) |
| out->color_range = s->out_range; |
| if (s->vkctx.output_format != s->vkctx.input_format) |
| out->chroma_location = AVCHROMA_LOC_TOPLEFT; |
| |
| av_frame_free(&in); |
| |
| return ff_filter_frame(outlink, out); |
| |
| fail: |
| av_frame_free(&in); |
| av_frame_free(&out); |
| return err; |
| } |
| |
| static int scale_vulkan_config_output(AVFilterLink *outlink) |
| { |
| int err; |
| AVFilterContext *avctx = outlink->src; |
| ScaleVulkanContext *s = avctx->priv; |
| FFVulkanContext *vkctx = &s->vkctx; |
| AVFilterLink *inlink = outlink->src->inputs[0]; |
| |
| err = ff_scale_eval_dimensions(s, s->w_expr, s->h_expr, inlink, outlink, |
| &vkctx->output_width, |
| &vkctx->output_height); |
| if (err < 0) |
| return err; |
| |
| if (s->out_format_string) { |
| s->vkctx.output_format = av_get_pix_fmt(s->out_format_string); |
| if (s->vkctx.output_format == AV_PIX_FMT_NONE) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n"); |
| return AVERROR(EINVAL); |
| } |
| } else { |
| s->vkctx.output_format = s->vkctx.input_format; |
| } |
| |
| if (s->vkctx.output_format != s->vkctx.input_format) { |
| if (!ff_vk_mt_is_np_rgb(s->vkctx.input_format)) { |
| av_log(avctx, AV_LOG_ERROR, "Unsupported input format for conversion\n"); |
| return AVERROR(EINVAL); |
| } |
| if (s->vkctx.output_format != AV_PIX_FMT_NV12 && |
| s->vkctx.output_format != AV_PIX_FMT_YUV420P && |
| s->vkctx.output_format != AV_PIX_FMT_YUV444P) { |
| av_log(avctx, AV_LOG_ERROR, "Unsupported output format\n"); |
| return AVERROR(EINVAL); |
| } |
| } else if (s->out_range != AVCOL_RANGE_UNSPECIFIED) { |
| av_log(avctx, AV_LOG_ERROR, "Cannot change range without converting format\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| return ff_vk_filter_config_output(outlink); |
| } |
| |
| static void scale_vulkan_uninit(AVFilterContext *avctx) |
| { |
| ScaleVulkanContext *s = avctx->priv; |
| FFVulkanContext *vkctx = &s->vkctx; |
| FFVulkanFunctions *vk = &vkctx->vkfn; |
| |
| ff_vk_exec_pool_free(vkctx, &s->e); |
| ff_vk_pipeline_free(vkctx, &s->pl); |
| ff_vk_shader_free(vkctx, &s->shd); |
| |
| if (s->sampler) |
| vk->DestroySampler(vkctx->hwctx->act_dev, s->sampler, |
| vkctx->hwctx->alloc); |
| |
| ff_vk_uninit(&s->vkctx); |
| |
| s->initialized = 0; |
| } |
| |
| #define OFFSET(x) offsetof(ScaleVulkanContext, x) |
| #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) |
| static const AVOption scale_vulkan_options[] = { |
| { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS }, |
| { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS }, |
| { "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, .unit = "scaler" }, |
| { "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, .unit = "scaler" }, |
| { "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, .unit = "scaler" }, |
| { "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS }, |
| { "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" }, |
| { "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" }, |
| { "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" }, |
| { "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" }, |
| { "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" }, |
| { "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" }, |
| { "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" }, |
| { NULL }, |
| }; |
| |
| AVFILTER_DEFINE_CLASS(scale_vulkan); |
| |
| static const AVFilterPad scale_vulkan_inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = &scale_vulkan_filter_frame, |
| .config_props = &ff_vk_filter_config_input, |
| }, |
| }; |
| |
| static const AVFilterPad scale_vulkan_outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = &scale_vulkan_config_output, |
| }, |
| }; |
| |
| const AVFilter ff_vf_scale_vulkan = { |
| .name = "scale_vulkan", |
| .description = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"), |
| .priv_size = sizeof(ScaleVulkanContext), |
| .init = &ff_vk_filter_init, |
| .uninit = &scale_vulkan_uninit, |
| FILTER_INPUTS(scale_vulkan_inputs), |
| FILTER_OUTPUTS(scale_vulkan_outputs), |
| FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN), |
| .priv_class = &scale_vulkan_class, |
| .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
| .flags = AVFILTER_FLAG_HWDEVICE, |
| }; |