254 lines
9.3 KiB
C
254 lines
9.3 KiB
C
/*
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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/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "vaapi_vpp.h"
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#include "video.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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typedef struct ProcampVAAPIContext {
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VAAPIVPPContext vpp_ctx; // must be the first field
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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 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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/* brightness */
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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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/* contrast */
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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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/* hue */
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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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/* saturation */
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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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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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VAProcPipelineParameterBuffer params;
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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->passthrough)
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return ff_filter_frame(outlink, input_frame);
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if (vpp_ctx->va_context == VA_INVALID_ID)
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return AVERROR(EINVAL);
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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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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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err = ff_vaapi_vpp_init_params(avctx, ¶ms,
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input_frame, output_frame);
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if (err < 0)
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goto fail;
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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_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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ProcampVAAPIContext *ctx = avctx->priv;
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float eps = 1.0e-10f;
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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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if (fabs(ctx->saturation - SATURATION_DEFAULT) < eps &&
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fabs(ctx->bright - BRIGHTNESS_DEFAULT) < eps &&
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fabs(ctx->contrast - CONTRAST_DEFAULT) < eps &&
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fabs(ctx->hue - HUE_DEFAULT) < eps)
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vpp_ctx->passthrough = 1;
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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 | AV_OPT_FLAG_FILTERING_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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};
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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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};
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const 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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FILTER_INPUTS(procamp_vaapi_inputs),
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FILTER_OUTPUTS(procamp_vaapi_outputs),
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FILTER_QUERY_FUNC(&ff_vaapi_vpp_query_formats),
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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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