diff options
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | libavfilter/Makefile | 2 | ||||
| -rw-r--r-- | libavfilter/allfilters.c | 2 | ||||
| -rw-r--r-- | libavfilter/vf_program_opencl.c | 441 |
4 files changed, 447 insertions, 0 deletions
@@ -3235,6 +3235,7 @@ negate_filter_deps="lut_filter" nnedi_filter_deps="gpl" ocr_filter_deps="libtesseract" ocv_filter_deps="libopencv" +openclsrc_filter_deps="opencl" overlay_opencl_filter_deps="opencl" overlay_qsv_filter_deps="libmfx" overlay_qsv_filter_select="qsvvpp" @@ -3244,6 +3245,7 @@ perspective_filter_deps="gpl" phase_filter_deps="gpl" pp7_filter_deps="gpl" pp_filter_deps="gpl postproc" +program_opencl_filter_deps="opencl" pullup_filter_deps="gpl" removelogo_filter_deps="avcodec avformat swscale" repeatfields_filter_deps="gpl" diff --git a/libavfilter/Makefile b/libavfilter/Makefile index 256dfab..ef4729d 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -275,6 +275,7 @@ OBJS-$(CONFIG_PP_FILTER) += vf_pp.o OBJS-$(CONFIG_PP7_FILTER) += vf_pp7.o OBJS-$(CONFIG_PREMULTIPLY_FILTER) += vf_premultiply.o framesync.o OBJS-$(CONFIG_PREWITT_FILTER) += vf_convolution.o +OBJS-$(CONFIG_PROGRAM_OPENCL_FILTER) += vf_program_opencl.o opencl.o framesync.o OBJS-$(CONFIG_PSEUDOCOLOR_FILTER) += vf_pseudocolor.o OBJS-$(CONFIG_PSNR_FILTER) += vf_psnr.o framesync.o OBJS-$(CONFIG_PULLUP_FILTER) += vf_pullup.o @@ -370,6 +371,7 @@ OBJS-$(CONFIG_LIFE_FILTER) += vsrc_life.o OBJS-$(CONFIG_MANDELBROT_FILTER) += vsrc_mandelbrot.o OBJS-$(CONFIG_MPTESTSRC_FILTER) += vsrc_mptestsrc.o OBJS-$(CONFIG_NULLSRC_FILTER) += vsrc_testsrc.o +OBJS-$(CONFIG_OPENCLSRC_FILTER) += vf_program_opencl.o opencl.o OBJS-$(CONFIG_RGBTESTSRC_FILTER) += vsrc_testsrc.o OBJS-$(CONFIG_SMPTEBARS_FILTER) += vsrc_testsrc.o OBJS-$(CONFIG_SMPTEHDBARS_FILTER) += vsrc_testsrc.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 753ae96..42516bb 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -284,6 +284,7 @@ static void register_all(void) REGISTER_FILTER(PP7, pp7, vf); REGISTER_FILTER(PREMULTIPLY, premultiply, vf); REGISTER_FILTER(PREWITT, prewitt, vf); + REGISTER_FILTER(PROGRAM_OPENCL, program_opencl, vf); REGISTER_FILTER(PSEUDOCOLOR, pseudocolor, vf); REGISTER_FILTER(PSNR, psnr, vf); REGISTER_FILTER(PULLUP, pullup, vf); @@ -378,6 +379,7 @@ static void register_all(void) REGISTER_FILTER(MANDELBROT, mandelbrot, vsrc); REGISTER_FILTER(MPTESTSRC, mptestsrc, vsrc); REGISTER_FILTER(NULLSRC, nullsrc, vsrc); + REGISTER_FILTER(OPENCLSRC, openclsrc, vsrc); REGISTER_FILTER(RGBTESTSRC, rgbtestsrc, vsrc); REGISTER_FILTER(SMPTEBARS, smptebars, vsrc); REGISTER_FILTER(SMPTEHDBARS, smptehdbars, vsrc); diff --git a/libavfilter/vf_program_opencl.c b/libavfilter/vf_program_opencl.c new file mode 100644 index 0000000..d49365a --- /dev/null +++ b/libavfilter/vf_program_opencl.c @@ -0,0 +1,441 @@ +/* + * 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/avstring.h" +#include "libavutil/buffer.h" +#include "libavutil/common.h" +#include "libavutil/hwcontext.h" +#include "libavutil/hwcontext_opencl.h" +#include "libavutil/log.h" +#include "libavutil/mem.h" +#include "libavutil/pixdesc.h" +#include "libavutil/opt.h" + +#include "avfilter.h" +#include "framesync.h" +#include "internal.h" +#include "opencl.h" +#include "video.h" + +typedef struct ProgramOpenCLContext { + OpenCLFilterContext ocf; + + int loaded; + cl_uint index; + cl_kernel kernel; + cl_command_queue command_queue; + + FFFrameSync fs; + AVFrame **frames; + + const char *source_file; + const char *kernel_name; + int nb_inputs; + int width, height; + enum AVPixelFormat source_format; + AVRational source_rate; +} ProgramOpenCLContext; + +static int program_opencl_load(AVFilterContext *avctx) +{ + ProgramOpenCLContext *ctx = avctx->priv; + cl_int cle; + int err; + + err = ff_opencl_filter_load_program_from_file(avctx, ctx->source_file); + if (err < 0) + return err; + + ctx->command_queue = clCreateCommandQueue(ctx->ocf.hwctx->context, + ctx->ocf.hwctx->device_id, + 0, &cle); + if (!ctx->command_queue) { + av_log(avctx, AV_LOG_ERROR, "Failed to create OpenCL " + "command queue: %d.\n", cle); + return AVERROR(EIO); + } + + ctx->kernel = clCreateKernel(ctx->ocf.program, ctx->kernel_name, &cle); + if (!ctx->kernel) { + if (cle == CL_INVALID_KERNEL_NAME) { + av_log(avctx, AV_LOG_ERROR, "Kernel function '%s' not found in " + "program.\n", ctx->kernel_name); + } else { + av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle); + } + return AVERROR(EIO); + } + + ctx->loaded = 1; + return 0; +} + +static int program_opencl_run(AVFilterContext *avctx) +{ + AVFilterLink *outlink = avctx->outputs[0]; + ProgramOpenCLContext *ctx = avctx->priv; + AVFrame *output = NULL; + cl_int cle; + size_t global_work[2]; + cl_mem src, dst; + int err, input, plane; + + if (!ctx->loaded) { + err = program_opencl_load(avctx); + if (err < 0) + return err; + } + + output = ff_get_video_buffer(outlink, outlink->w, outlink->h); + if (!output) { + err = AVERROR(ENOMEM); + goto fail; + } + + for (plane = 0; plane < FF_ARRAY_ELEMS(output->data); plane++) { + dst = (cl_mem)output->data[plane]; + if (!dst) + break; + + cle = clSetKernelArg(ctx->kernel, 0, sizeof(cl_mem), &dst); + if (cle != CL_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Failed to set kernel " + "destination image argument: %d.\n", cle); + goto fail; + } + cle = clSetKernelArg(ctx->kernel, 1, sizeof(cl_uint), &ctx->index); + if (cle != CL_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Failed to set kernel " + "index argument: %d.\n", cle); + goto fail; + } + + for (input = 0; input < ctx->nb_inputs; input++) { + av_assert0(ctx->frames[input]); + + src = (cl_mem)ctx->frames[input]->data[plane]; + av_assert0(src); + + cle = clSetKernelArg(ctx->kernel, 2 + input, sizeof(cl_mem), &src); + if (cle != CL_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Failed to set kernel " + "source image argument %d: %d.\n", input, cle); + goto fail; + } + } + + cle = clGetImageInfo(dst, CL_IMAGE_WIDTH, sizeof(size_t), + &global_work[0], NULL); + cle = clGetImageInfo(dst, CL_IMAGE_HEIGHT, sizeof(size_t), + &global_work[1], NULL); + + av_log(avctx, AV_LOG_DEBUG, "Run kernel on plane %d " + "(%zux%zu).\n", plane, global_work[0], global_work[1]); + + cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel, 2, NULL, + global_work, NULL, 0, NULL, NULL); + if (cle != CL_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Failed to enqueue kernel: %d.\n", + cle); + err = AVERROR(EIO); + goto fail; + } + } + + cle = clFinish(ctx->command_queue); + if (cle != CL_SUCCESS) { + av_log(avctx, AV_LOG_ERROR, "Failed to finish command queue: %d.\n", + cle); + err = AVERROR(EIO); + goto fail; + } + + if (ctx->nb_inputs > 0) { + err = av_frame_copy_props(output, ctx->frames[0]); + if (err < 0) + goto fail; + } else { + output->pts = ctx->index; + } + ++ctx->index; + + av_log(ctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n", + av_get_pix_fmt_name(output->format), + output->width, output->height, output->pts); + + return ff_filter_frame(outlink, output); + +fail: + clFinish(ctx->command_queue); + av_frame_free(&output); + return err; +} + +static int program_opencl_request_frame(AVFilterLink *outlink) +{ + AVFilterContext *avctx = outlink->src; + + return program_opencl_run(avctx); +} + +static int program_opencl_filter(FFFrameSync *fs) +{ + AVFilterContext *avctx = fs->parent; + ProgramOpenCLContext *ctx = avctx->priv; + int err, i; + + for (i = 0; i < ctx->nb_inputs; i++) { + err = ff_framesync_get_frame(&ctx->fs, i, &ctx->frames[i], 0); + if (err < 0) + return err; + } + + return program_opencl_run(avctx); +} + +static int program_opencl_activate(AVFilterContext *avctx) +{ + ProgramOpenCLContext *ctx = avctx->priv; + + av_assert0(ctx->nb_inputs > 0); + + return ff_framesync_activate(&ctx->fs); +} + +static int program_opencl_config_output(AVFilterLink *outlink) +{ + AVFilterContext *avctx = outlink->src; + ProgramOpenCLContext *ctx = avctx->priv; + int err; + + err = ff_opencl_filter_config_output(outlink); + if (err < 0) + return err; + + if (ctx->nb_inputs > 0) { + FFFrameSyncIn *in; + int i; + + err = ff_framesync_init(&ctx->fs, avctx, ctx->nb_inputs); + if (err < 0) + return err; + + ctx->fs.opaque = ctx; + ctx->fs.on_event = &program_opencl_filter; + + in = ctx->fs.in; + for (i = 0; i < ctx->nb_inputs; i++) { + const AVFilterLink *inlink = avctx->inputs[i]; + + in[i].time_base = inlink->time_base; + in[i].sync = 1; + in[i].before = EXT_STOP; + in[i].after = EXT_INFINITY; + } + + err = ff_framesync_configure(&ctx->fs); + if (err < 0) + return err; + + } else { + outlink->time_base = av_inv_q(ctx->source_rate); + } + + return 0; +} + +static av_cold int program_opencl_init(AVFilterContext *avctx) +{ + ProgramOpenCLContext *ctx = avctx->priv; + int err; + + ff_opencl_filter_init(avctx); + + ctx->ocf.output_width = ctx->width; + ctx->ocf.output_height = ctx->height; + + if (!strcmp(avctx->filter->name, "openclsrc")) { + if (!ctx->ocf.output_width || !ctx->ocf.output_height) { + av_log(avctx, AV_LOG_ERROR, "OpenCL source requires output " + "dimensions to be specified.\n"); + return AVERROR(EINVAL); + } + + ctx->nb_inputs = 0; + ctx->ocf.output_format = ctx->source_format; + } else { + int i; + + ctx->frames = av_mallocz_array(ctx->nb_inputs, + sizeof(*ctx->frames)); + if (!ctx->frames) + return AVERROR(ENOMEM); + + for (i = 0; i < ctx->nb_inputs; i++) { + AVFilterPad input; + memset(&input, 0, sizeof(input)); + + input.type = AVMEDIA_TYPE_VIDEO; + input.name = av_asprintf("input%d", i); + if (!input.name) + return AVERROR(ENOMEM); + + input.config_props = &ff_opencl_filter_config_input; + + err = ff_insert_inpad(avctx, i, &input); + if (err < 0) { + av_freep(&input.name); + return err; + } + } + } + + return 0; +} + +static av_cold void program_opencl_uninit(AVFilterContext *avctx) +{ + ProgramOpenCLContext *ctx = avctx->priv; + cl_int cle; + int i; + + if (ctx->nb_inputs > 0) { + ff_framesync_uninit(&ctx->fs); + + av_freep(&ctx->frames); + for (i = 0; i < avctx->nb_inputs; i++) + av_freep(&avctx->input_pads[i].name); + } + + if (ctx->kernel) { + cle = clReleaseKernel(ctx->kernel); + if (cle != CL_SUCCESS) + av_log(avctx, AV_LOG_ERROR, "Failed to release " + "kernel: %d.\n", cle); + } + + if (ctx->command_queue) { + cle = clReleaseCommandQueue(ctx->command_queue); + if (cle != CL_SUCCESS) + av_log(avctx, AV_LOG_ERROR, "Failed to release " + "command queue: %d.\n", cle); + } + + ff_opencl_filter_uninit(avctx); +} + +#define OFFSET(x) offsetof(ProgramOpenCLContext, x) +#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM) + +#if CONFIG_PROGRAM_OPENCL_FILTER + +static const AVOption program_opencl_options[] = { + { "source", "OpenCL program source file", OFFSET(source_file), + AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS }, + { "kernel", "Kernel name in program", OFFSET(kernel_name), + AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS }, + + { "inputs", "Number of inputs", OFFSET(nb_inputs), + AV_OPT_TYPE_INT, { .i64 = 1 }, 1, INT_MAX, FLAGS }, + + { "size", "Video size", OFFSET(width), + AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, FLAGS }, + { "s", "Video size", OFFSET(width), + AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, FLAGS }, + + { NULL }, +}; + +FRAMESYNC_DEFINE_CLASS(program_opencl, ProgramOpenCLContext, fs); + +static const AVFilterPad program_opencl_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = &program_opencl_config_output, + }, + { NULL } +}; + +AVFilter ff_vf_program_opencl = { + .name = "program_opencl", + .description = NULL_IF_CONFIG_SMALL("Filter video using an OpenCL program"), + .priv_size = sizeof(ProgramOpenCLContext), + .priv_class = &program_opencl_class, + .preinit = &program_opencl_framesync_preinit, + .init = &program_opencl_init, + .uninit = &program_opencl_uninit, + .query_formats = &ff_opencl_filter_query_formats, + .activate = &program_opencl_activate, + .inputs = NULL, + .outputs = program_opencl_outputs, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, +}; + +#endif + +#if CONFIG_OPENCLSRC_FILTER + +static const AVOption openclsrc_options[] = { + { "source", "OpenCL program source file", OFFSET(source_file), + AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS }, + { "kernel", "Kernel name in program", OFFSET(kernel_name), + AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS }, + + { "size", "Video size", OFFSET(width), + AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, FLAGS }, + { "s", "Video size", OFFSET(width), + AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, FLAGS }, + + { "format", "Video format", OFFSET(source_format), + AV_OPT_TYPE_PIXEL_FMT, { .i64 = AV_PIX_FMT_NONE }, -1, INT_MAX, FLAGS }, + + { "rate", "Video frame rate", OFFSET(source_rate), + AV_OPT_TYPE_VIDEO_RATE, { .str = "25" }, 0, INT_MAX, FLAGS }, + { "r", "Video frame rate", OFFSET(source_rate), + AV_OPT_TYPE_VIDEO_RATE, { .str = "25" }, 0, INT_MAX, FLAGS }, + + { NULL }, +}; + +AVFILTER_DEFINE_CLASS(openclsrc); + +static const AVFilterPad openclsrc_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = &program_opencl_config_output, + .request_frame = &program_opencl_request_frame, + }, + { NULL } +}; + +AVFilter ff_vsrc_openclsrc = { + .name = "openclsrc", + .description = NULL_IF_CONFIG_SMALL("Generate video using an OpenCL program"), + .priv_size = sizeof(ProgramOpenCLContext), + .priv_class = &openclsrc_class, + .init = &program_opencl_init, + .uninit = &program_opencl_uninit, + .query_formats = &ff_opencl_filter_query_formats, + .inputs = NULL, + .outputs = openclsrc_outputs, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, +}; + +#endif |
