Add ProcAmp(color balance) vaapi video filter, use the option like -vf "procamp_vaapi=b=10:h=120:c=2.8:s=3.7" to set brightness/hue/contrast/saturation. Signed-off-by: Yun Zhou <yunx.z.zhou@intel.com> Signed-off-by: Jun Zhao <jun.zhao@intel.com> Signed-off-by: Mark Thompson <sw@jkqxz.net>pull/275/head
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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 <string.h> |
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#include "libavutil/avassert.h" |
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#include "libavutil/mem.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "avfilter.h" |
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#include "formats.h" |
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#include "internal.h" |
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#include "vaapi_vpp.h" |
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// ProcAmp Min/Max/Default Values
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#define BRIGHTNESS_MIN -100.0F |
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#define BRIGHTNESS_MAX 100.0F |
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#define BRIGHTNESS_DEFAULT 0.0F |
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#define CONTRAST_MIN 0.0F |
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#define CONTRAST_MAX 10.0F |
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#define CONTRAST_DEFAULT 1.0F |
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#define HUE_MIN -180.0F |
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#define HUE_MAX 180.0F |
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#define HUE_DEFAULT 0.0F |
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#define SATURATION_MIN 0.0F |
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#define SATURATION_MAX 10.0F |
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#define SATURATION_DEFAULT 1.0F |
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#define EPSILON 0.00001F |
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typedef struct ProcampVAAPIContext { |
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VAAPIVPPContext vpp_ctx; // must be the first fileld
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float bright; |
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float hue; |
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float saturation; |
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float contrast; |
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} ProcampVAAPIContext; |
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static float map(float x, float in_min, float in_max, float out_min, float out_max) |
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{ |
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double slope, output; |
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slope = 1.0 * (out_max - out_min) / (in_max - in_min); |
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output = out_min + slope * (x - in_min); |
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return (float)output; |
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} |
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static int fequal(float a, float b) |
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{ |
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return fabs(a-b) < EPSILON; |
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} |
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static int procamp_vaapi_build_filter_params(AVFilterContext *avctx) |
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{ |
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VAAPIVPPContext *vpp_ctx = avctx->priv; |
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ProcampVAAPIContext *ctx = avctx->priv; |
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VAStatus vas; |
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VAProcFilterParameterBufferColorBalance procamp_params[4]; |
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VAProcFilterCapColorBalance procamp_caps[VAProcColorBalanceCount]; |
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int num_caps; |
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int i = 0; |
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memset(&procamp_params, 0, sizeof(procamp_params)); |
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memset(&procamp_caps, 0, sizeof(procamp_caps)); |
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num_caps = VAProcColorBalanceCount; |
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vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display, vpp_ctx->va_context, |
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VAProcFilterColorBalance, &procamp_caps, &num_caps); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(avctx, AV_LOG_ERROR, "Failed to query procamp " |
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"filter caps: %d (%s).\n", vas, vaErrorStr(vas)); |
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return AVERROR(EIO); |
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} |
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if (!fequal(ctx->bright, BRIGHTNESS_DEFAULT)) { |
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procamp_params[i].type = VAProcFilterColorBalance; |
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procamp_params[i].attrib = VAProcColorBalanceBrightness; |
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procamp_params[i].value = map(ctx->bright, BRIGHTNESS_MIN, BRIGHTNESS_MAX, |
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procamp_caps[VAProcColorBalanceBrightness-1].range.min_value, |
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procamp_caps[VAProcColorBalanceBrightness-1].range.max_value); |
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i++; |
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} |
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if (!fequal(ctx->contrast, CONTRAST_DEFAULT)) { |
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procamp_params[i].type = VAProcFilterColorBalance; |
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procamp_params[i].attrib = VAProcColorBalanceContrast; |
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procamp_params[i].value = map(ctx->contrast, CONTRAST_MIN, CONTRAST_MAX, |
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procamp_caps[VAProcColorBalanceContrast-1].range.min_value, |
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procamp_caps[VAProcColorBalanceContrast-1].range.max_value); |
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i++; |
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} |
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if (!fequal(ctx->hue, HUE_DEFAULT)) { |
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procamp_params[i].type = VAProcFilterColorBalance; |
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procamp_params[i].attrib = VAProcColorBalanceHue; |
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procamp_params[i].value = map(ctx->hue, HUE_MIN, HUE_MAX, |
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procamp_caps[VAProcColorBalanceHue-1].range.min_value, |
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procamp_caps[VAProcColorBalanceHue-1].range.max_value); |
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i++; |
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} |
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if (!fequal(ctx->saturation, SATURATION_DEFAULT)) { |
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procamp_params[i].type = VAProcFilterColorBalance; |
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procamp_params[i].attrib = VAProcColorBalanceSaturation; |
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procamp_params[i].value = map(ctx->saturation, SATURATION_MIN, SATURATION_MAX, |
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procamp_caps[VAProcColorBalanceSaturation-1].range.min_value, |
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procamp_caps[VAProcColorBalanceSaturation-1].range.max_value); |
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i++; |
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} |
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return ff_vaapi_vpp_make_param_buffers(avctx, |
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VAProcFilterParameterBufferType, |
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&procamp_params, |
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sizeof(procamp_params[0]), |
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i); |
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} |
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static int procamp_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame) |
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{ |
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AVFilterContext *avctx = inlink->dst; |
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AVFilterLink *outlink = avctx->outputs[0]; |
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VAAPIVPPContext *vpp_ctx = avctx->priv; |
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AVFrame *output_frame = NULL; |
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VASurfaceID input_surface, output_surface; |
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VAProcPipelineParameterBuffer params; |
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VARectangle input_region; |
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int err; |
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av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n", |
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av_get_pix_fmt_name(input_frame->format), |
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input_frame->width, input_frame->height, input_frame->pts); |
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if (vpp_ctx->va_context == VA_INVALID_ID) |
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return AVERROR(EINVAL); |
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input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3]; |
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av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for procamp input.\n", |
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input_surface); |
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output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width, |
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vpp_ctx->output_height); |
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if (!output_frame) { |
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err = AVERROR(ENOMEM); |
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goto fail; |
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} |
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output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3]; |
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av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for procamp output.\n", |
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output_surface); |
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memset(¶ms, 0, sizeof(params)); |
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input_region = (VARectangle) { |
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.x = 0, |
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.y = 0, |
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.width = input_frame->width, |
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.height = input_frame->height, |
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}; |
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params.surface = input_surface; |
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params.surface_region = &input_region; |
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params.surface_color_standard = |
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ff_vaapi_vpp_colour_standard(input_frame->colorspace); |
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params.output_region = NULL; |
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params.output_background_color = 0xff000000; |
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params.output_color_standard = params.surface_color_standard; |
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params.pipeline_flags = 0; |
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params.filter_flags = VA_FRAME_PICTURE; |
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params.filters = &vpp_ctx->filter_buffers[0]; |
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params.num_filters = 1; |
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err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_surface); |
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if (err < 0) |
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goto fail; |
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err = av_frame_copy_props(output_frame, input_frame); |
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if (err < 0) |
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goto fail; |
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av_frame_free(&input_frame); |
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av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n", |
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av_get_pix_fmt_name(output_frame->format), |
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output_frame->width, output_frame->height, output_frame->pts); |
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return ff_filter_frame(outlink, output_frame); |
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fail: |
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av_frame_free(&input_frame); |
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av_frame_free(&output_frame); |
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return err; |
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} |
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static av_cold int procamp_vaapi_init(AVFilterContext *avctx) |
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{ |
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VAAPIVPPContext *vpp_ctx = avctx->priv; |
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ff_vaapi_vpp_ctx_init(avctx); |
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vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit; |
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vpp_ctx->build_filter_params = procamp_vaapi_build_filter_params; |
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vpp_ctx->output_format = AV_PIX_FMT_NONE; |
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return 0; |
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} |
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#define OFFSET(x) offsetof(ProcampVAAPIContext, x) |
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#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM) |
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static const AVOption procamp_vaapi_options[] = { |
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{ "b", "Output video brightness", |
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OFFSET(bright), AV_OPT_TYPE_FLOAT, { .dbl = BRIGHTNESS_DEFAULT }, BRIGHTNESS_MIN, BRIGHTNESS_MAX, .flags = FLAGS }, |
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{ "brightness", "Output video brightness", |
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OFFSET(bright), AV_OPT_TYPE_FLOAT, { .dbl = BRIGHTNESS_DEFAULT }, BRIGHTNESS_MIN, BRIGHTNESS_MAX, .flags = FLAGS }, |
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{ "s", "Output video saturation", |
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OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = SATURATION_DEFAULT }, SATURATION_MIN, SATURATION_MAX, .flags = FLAGS }, |
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{ "saturatio", "Output video saturation", |
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OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = SATURATION_DEFAULT }, SATURATION_MIN, SATURATION_MAX, .flags = FLAGS }, |
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{ "c", "Output video contrast", |
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OFFSET(contrast), AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS }, |
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{ "contrast", "Output video contrast", |
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OFFSET(contrast), AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS }, |
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{ "h", "Output video hue", |
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OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = HUE_DEFAULT }, HUE_MIN, HUE_MAX, .flags = FLAGS }, |
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{ "hue", "Output video hue", |
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OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = HUE_DEFAULT }, HUE_MIN, HUE_MAX, .flags = FLAGS }, |
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{ NULL }, |
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}; |
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AVFILTER_DEFINE_CLASS(procamp_vaapi); |
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static const AVFilterPad procamp_vaapi_inputs[] = { |
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{ |
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.name = "default", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.filter_frame = &procamp_vaapi_filter_frame, |
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.config_props = &ff_vaapi_vpp_config_input, |
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}, |
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{ NULL } |
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}; |
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static const AVFilterPad procamp_vaapi_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 = &ff_vaapi_vpp_config_output, |
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}, |
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{ NULL } |
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}; |
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AVFilter ff_vf_procamp_vaapi = { |
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.name = "procamp_vaapi", |
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.description = NULL_IF_CONFIG_SMALL("ProcAmp (color balance) adjustments for hue, saturation, brightness, contrast"), |
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.priv_size = sizeof(ProcampVAAPIContext), |
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.init = &procamp_vaapi_init, |
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.uninit = &ff_vaapi_vpp_ctx_uninit, |
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.query_formats = &ff_vaapi_vpp_query_formats, |
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.inputs = procamp_vaapi_inputs, |
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.outputs = procamp_vaapi_outputs, |
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.priv_class = &procamp_vaapi_class, |
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.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
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}; |
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