/* * 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 <string.h> #include "libavutil/avassert.h" #include "libavutil/mem.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "avfilter.h" #include "formats.h" #include "internal.h" #include "vaapi_vpp.h" // ProcAmp Min/Max/Default Values #define BRIGHTNESS_MIN -100.0F #define BRIGHTNESS_MAX 100.0F #define BRIGHTNESS_DEFAULT 0.0F #define CONTRAST_MIN 0.0F #define CONTRAST_MAX 10.0F #define CONTRAST_DEFAULT 1.0F #define HUE_MIN -180.0F #define HUE_MAX 180.0F #define HUE_DEFAULT 0.0F #define SATURATION_MIN 0.0F #define SATURATION_MAX 10.0F #define SATURATION_DEFAULT 1.0F typedef struct ProcampVAAPIContext { VAAPIVPPContext vpp_ctx; // must be the first field float bright; float hue; float saturation; float contrast; } ProcampVAAPIContext; static float map(float x, float in_min, float in_max, float out_min, float out_max) { double slope, output; slope = 1.0 * (out_max - out_min) / (in_max - in_min); output = out_min + slope * (x - in_min); return (float)output; } static int procamp_vaapi_build_filter_params(AVFilterContext *avctx) { VAAPIVPPContext *vpp_ctx = avctx->priv; ProcampVAAPIContext *ctx = avctx->priv; VAStatus vas; VAProcFilterParameterBufferColorBalance procamp_params[4]; VAProcFilterCapColorBalance procamp_caps[VAProcColorBalanceCount]; int num_caps; int i = 0; memset(&procamp_params, 0, sizeof(procamp_params)); memset(&procamp_caps, 0, sizeof(procamp_caps)); num_caps = VAProcColorBalanceCount; vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display, vpp_ctx->va_context, VAProcFilterColorBalance, &procamp_caps, &num_caps); if (vas != VA_STATUS_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to query procamp " "filter caps: %d (%s).\n", vas, vaErrorStr(vas)); return AVERROR(EIO); } /* brightness */ procamp_params[i].type = VAProcFilterColorBalance; procamp_params[i].attrib = VAProcColorBalanceBrightness; procamp_params[i].value = map(ctx->bright, BRIGHTNESS_MIN, BRIGHTNESS_MAX, procamp_caps[VAProcColorBalanceBrightness-1].range.min_value, procamp_caps[VAProcColorBalanceBrightness-1].range.max_value); i++; /* contrast */ procamp_params[i].type = VAProcFilterColorBalance; procamp_params[i].attrib = VAProcColorBalanceContrast; procamp_params[i].value = map(ctx->contrast, CONTRAST_MIN, CONTRAST_MAX, procamp_caps[VAProcColorBalanceContrast-1].range.min_value, procamp_caps[VAProcColorBalanceContrast-1].range.max_value); i++; /* hue */ procamp_params[i].type = VAProcFilterColorBalance; procamp_params[i].attrib = VAProcColorBalanceHue; procamp_params[i].value = map(ctx->hue, HUE_MIN, HUE_MAX, procamp_caps[VAProcColorBalanceHue-1].range.min_value, procamp_caps[VAProcColorBalanceHue-1].range.max_value); i++; /* saturation */ procamp_params[i].type = VAProcFilterColorBalance; procamp_params[i].attrib = VAProcColorBalanceSaturation; procamp_params[i].value = map(ctx->saturation, SATURATION_MIN, SATURATION_MAX, procamp_caps[VAProcColorBalanceSaturation-1].range.min_value, procamp_caps[VAProcColorBalanceSaturation-1].range.max_value); i++; return ff_vaapi_vpp_make_param_buffers(avctx, VAProcFilterParameterBufferType, &procamp_params, sizeof(procamp_params[0]), i); } static int procamp_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame) { AVFilterContext *avctx = inlink->dst; AVFilterLink *outlink = avctx->outputs[0]; VAAPIVPPContext *vpp_ctx = avctx->priv; AVFrame *output_frame = NULL; VAProcPipelineParameterBuffer params; int err; av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n", av_get_pix_fmt_name(input_frame->format), input_frame->width, input_frame->height, input_frame->pts); if (vpp_ctx->va_context == VA_INVALID_ID) return AVERROR(EINVAL); output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width, vpp_ctx->output_height); if (!output_frame) { err = AVERROR(ENOMEM); goto fail; } err = av_frame_copy_props(output_frame, input_frame); if (err < 0) goto fail; err = ff_vaapi_vpp_init_params(avctx, ¶ms, input_frame, output_frame); if (err < 0) goto fail; params.filters = &vpp_ctx->filter_buffers[0]; params.num_filters = 1; err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_frame); if (err < 0) goto fail; av_frame_free(&input_frame); av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n", av_get_pix_fmt_name(output_frame->format), output_frame->width, output_frame->height, output_frame->pts); return ff_filter_frame(outlink, output_frame); fail: av_frame_free(&input_frame); av_frame_free(&output_frame); return err; } static av_cold int procamp_vaapi_init(AVFilterContext *avctx) { VAAPIVPPContext *vpp_ctx = avctx->priv; ff_vaapi_vpp_ctx_init(avctx); vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit; vpp_ctx->build_filter_params = procamp_vaapi_build_filter_params; vpp_ctx->output_format = AV_PIX_FMT_NONE; return 0; } #define OFFSET(x) offsetof(ProcampVAAPIContext, x) #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM) static const AVOption procamp_vaapi_options[] = { { "b", "Output video brightness", OFFSET(bright), AV_OPT_TYPE_FLOAT, { .dbl = BRIGHTNESS_DEFAULT }, BRIGHTNESS_MIN, BRIGHTNESS_MAX, .flags = FLAGS }, { "brightness", "Output video brightness", OFFSET(bright), AV_OPT_TYPE_FLOAT, { .dbl = BRIGHTNESS_DEFAULT }, BRIGHTNESS_MIN, BRIGHTNESS_MAX, .flags = FLAGS }, { "s", "Output video saturation", OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = SATURATION_DEFAULT }, SATURATION_MIN, SATURATION_MAX, .flags = FLAGS }, { "saturatio", "Output video saturation", OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = SATURATION_DEFAULT }, SATURATION_MIN, SATURATION_MAX, .flags = FLAGS }, { "c", "Output video contrast", OFFSET(contrast), AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS }, { "contrast", "Output video contrast", OFFSET(contrast), AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS }, { "h", "Output video hue", OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = HUE_DEFAULT }, HUE_MIN, HUE_MAX, .flags = FLAGS }, { "hue", "Output video hue", OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = HUE_DEFAULT }, HUE_MIN, HUE_MAX, .flags = FLAGS }, { NULL }, }; AVFILTER_DEFINE_CLASS(procamp_vaapi); static const AVFilterPad procamp_vaapi_inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .filter_frame = &procamp_vaapi_filter_frame, .config_props = &ff_vaapi_vpp_config_input, }, { NULL } }; static const AVFilterPad procamp_vaapi_outputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .config_props = &ff_vaapi_vpp_config_output, }, { NULL } }; AVFilter ff_vf_procamp_vaapi = { .name = "procamp_vaapi", .description = NULL_IF_CONFIG_SMALL("ProcAmp (color balance) adjustments for hue, saturation, brightness, contrast"), .priv_size = sizeof(ProcampVAAPIContext), .init = &procamp_vaapi_init, .uninit = &ff_vaapi_vpp_ctx_uninit, .query_formats = &ff_vaapi_vpp_query_formats, .inputs = procamp_vaapi_inputs, .outputs = procamp_vaapi_outputs, .priv_class = &procamp_vaapi_class, .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, };