mirror of https://git.ffmpeg.org/ffmpeg.git
1105 lines
36 KiB
C
1105 lines
36 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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/**
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* @file
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* scale video filter
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*/
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#include <nppi.h>
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#include <stdio.h>
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#include <string.h>
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#include "libavutil/hwcontext.h"
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#include "libavutil/hwcontext_cuda_internal.h"
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#include "libavutil/cuda_check.h"
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#include "libavutil/internal.h"
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#include "libavutil/mem.h"
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#include "libavutil/opt.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/eval.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 "scale_eval.h"
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#include "video.h"
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#define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)
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static const enum AVPixelFormat supported_formats[] = {
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AV_PIX_FMT_YUV420P,
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AV_PIX_FMT_YUVA420P,
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AV_PIX_FMT_NV12,
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AV_PIX_FMT_YUV444P,
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};
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static const enum AVPixelFormat deinterleaved_formats[][2] = {
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{ AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P },
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};
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enum ScaleStage {
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STAGE_DEINTERLEAVE,
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STAGE_RESIZE,
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STAGE_INTERLEAVE,
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STAGE_NB,
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};
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typedef struct NPPScaleStageContext {
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int stage_needed;
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enum AVPixelFormat in_fmt;
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enum AVPixelFormat out_fmt;
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struct {
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int width;
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int height;
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} planes_in[4], planes_out[4];
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AVBufferRef *frames_ctx;
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AVFrame *frame;
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} NPPScaleStageContext;
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static const char *const var_names[] = {
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"in_w", "iw",
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"in_h", "ih",
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"out_w", "ow",
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"out_h", "oh",
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"a",
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"sar",
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"dar",
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"n",
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"t",
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#if FF_API_FRAME_PKT
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"pos",
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#endif
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"main_w",
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"main_h",
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"main_a",
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"main_sar",
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"main_dar", "mdar",
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"main_n",
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"main_t",
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#if FF_API_FRAME_PKT
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"main_pos",
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#endif
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NULL
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};
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enum var_name {
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VAR_IN_W, VAR_IW,
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VAR_IN_H, VAR_IH,
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VAR_OUT_W, VAR_OW,
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VAR_OUT_H, VAR_OH,
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VAR_A,
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VAR_SAR,
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VAR_DAR,
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VAR_N,
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VAR_T,
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#if FF_API_FRAME_PKT
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VAR_POS,
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#endif
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VAR_S2R_MAIN_W,
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VAR_S2R_MAIN_H,
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VAR_S2R_MAIN_A,
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VAR_S2R_MAIN_SAR,
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VAR_S2R_MAIN_DAR, VAR_S2R_MDAR,
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VAR_S2R_MAIN_N,
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VAR_S2R_MAIN_T,
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#if FF_API_FRAME_PKT
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VAR_S2R_MAIN_POS,
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#endif
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VARS_NB
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};
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enum EvalMode {
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EVAL_MODE_INIT,
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EVAL_MODE_FRAME,
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EVAL_MODE_NB
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};
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typedef struct NPPScaleContext {
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const AVClass *class;
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NPPScaleStageContext stages[STAGE_NB];
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AVFrame *tmp_frame;
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int passthrough;
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int shift_width, shift_height;
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/**
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* New dimensions. Special values are:
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* 0 = original width/height
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* -1 = keep original aspect
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*/
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int w, h;
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/**
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* Output sw format. AV_PIX_FMT_NONE for no conversion.
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*/
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enum AVPixelFormat format;
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char *w_expr; ///< width expression string
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char *h_expr; ///< height expression string
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char *format_str;
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int force_original_aspect_ratio;
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int force_divisible_by;
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int interp_algo;
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char* size_str;
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AVExpr* w_pexpr;
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AVExpr* h_pexpr;
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double var_values[VARS_NB];
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int eval_mode;
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} NPPScaleContext;
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const AVFilter ff_vf_scale2ref_npp;
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static int config_props(AVFilterLink *outlink);
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static int check_exprs(AVFilterContext* ctx)
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{
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NPPScaleContext* scale = ctx->priv;
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unsigned vars_w[VARS_NB] = {0}, vars_h[VARS_NB] = {0};
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if (!scale->w_pexpr && !scale->h_pexpr)
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return AVERROR(EINVAL);
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if (scale->w_pexpr)
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av_expr_count_vars(scale->w_pexpr, vars_w, VARS_NB);
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if (scale->h_pexpr)
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av_expr_count_vars(scale->h_pexpr, vars_h, VARS_NB);
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if (vars_w[VAR_OUT_W] || vars_w[VAR_OW]) {
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av_log(ctx, AV_LOG_ERROR, "Width expression cannot be self-referencing: '%s'.\n", scale->w_expr);
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return AVERROR(EINVAL);
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}
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if (vars_h[VAR_OUT_H] || vars_h[VAR_OH]) {
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av_log(ctx, AV_LOG_ERROR, "Height expression cannot be self-referencing: '%s'.\n", scale->h_expr);
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return AVERROR(EINVAL);
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}
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if ((vars_w[VAR_OUT_H] || vars_w[VAR_OH]) &&
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(vars_h[VAR_OUT_W] || vars_h[VAR_OW])) {
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av_log(ctx, AV_LOG_WARNING, "Circular references detected for width '%s' and height '%s' - possibly invalid.\n", scale->w_expr, scale->h_expr);
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}
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if (ctx->filter != &ff_vf_scale2ref_npp &&
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(vars_w[VAR_S2R_MAIN_W] || vars_h[VAR_S2R_MAIN_W] ||
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vars_w[VAR_S2R_MAIN_H] || vars_h[VAR_S2R_MAIN_H] ||
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vars_w[VAR_S2R_MAIN_A] || vars_h[VAR_S2R_MAIN_A] ||
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vars_w[VAR_S2R_MAIN_SAR] || vars_h[VAR_S2R_MAIN_SAR] ||
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vars_w[VAR_S2R_MAIN_DAR] || vars_h[VAR_S2R_MAIN_DAR] ||
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vars_w[VAR_S2R_MDAR] || vars_h[VAR_S2R_MDAR] ||
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vars_w[VAR_S2R_MAIN_N] || vars_h[VAR_S2R_MAIN_N] ||
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vars_w[VAR_S2R_MAIN_T] || vars_h[VAR_S2R_MAIN_T]
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#if FF_API_FRAME_PKT
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|| vars_w[VAR_S2R_MAIN_POS] || vars_h[VAR_S2R_MAIN_POS]
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#endif
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)) {
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av_log(ctx, AV_LOG_ERROR, "Expressions with scale2ref_npp variables are not valid in scale_npp filter.\n");
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return AVERROR(EINVAL);
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}
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if (scale->eval_mode == EVAL_MODE_INIT &&
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(vars_w[VAR_N] || vars_h[VAR_N] ||
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vars_w[VAR_T] || vars_h[VAR_T] ||
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#if FF_API_FRAME_PKT
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vars_w[VAR_POS] || vars_h[VAR_POS] ||
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#endif
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vars_w[VAR_S2R_MAIN_N] || vars_h[VAR_S2R_MAIN_N] ||
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vars_w[VAR_S2R_MAIN_T] || vars_h[VAR_S2R_MAIN_T]
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#if FF_API_FRAME_PKT
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|| vars_w[VAR_S2R_MAIN_POS] || vars_h[VAR_S2R_MAIN_POS]
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#endif
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) ) {
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av_log(ctx, AV_LOG_ERROR, "Expressions with frame variables 'n', 't', are not valid in init eval_mode.\n");
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return AVERROR(EINVAL);
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}
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return 0;
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}
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static int nppscale_parse_expr(AVFilterContext* ctx, char* str_expr,
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AVExpr** pexpr_ptr, const char* var,
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const char* args)
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{
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NPPScaleContext* scale = ctx->priv;
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int ret, is_inited = 0;
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char* old_str_expr = NULL;
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AVExpr* old_pexpr = NULL;
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if (str_expr) {
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old_str_expr = av_strdup(str_expr);
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if (!old_str_expr)
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return AVERROR(ENOMEM);
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av_opt_set(scale, var, args, 0);
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}
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if (*pexpr_ptr) {
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old_pexpr = *pexpr_ptr;
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*pexpr_ptr = NULL;
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is_inited = 1;
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}
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ret = av_expr_parse(pexpr_ptr, args, var_names, NULL, NULL, NULL, NULL, 0,
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ctx);
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if (ret < 0) {
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av_log(ctx, AV_LOG_ERROR, "Cannot parse expression for %s: '%s'\n", var,
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args);
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goto revert;
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}
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ret = check_exprs(ctx);
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if (ret < 0)
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goto revert;
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if (is_inited && (ret = config_props(ctx->outputs[0])) < 0)
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goto revert;
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av_expr_free(old_pexpr);
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old_pexpr = NULL;
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av_freep(&old_str_expr);
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return 0;
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revert:
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av_expr_free(*pexpr_ptr);
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*pexpr_ptr = NULL;
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if (old_str_expr) {
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av_opt_set(scale, var, old_str_expr, 0);
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av_free(old_str_expr);
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}
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if (old_pexpr)
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*pexpr_ptr = old_pexpr;
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return ret;
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}
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static av_cold int nppscale_init(AVFilterContext* ctx)
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{
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NPPScaleContext* scale = ctx->priv;
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int i, ret;
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if (!strcmp(scale->format_str, "same")) {
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scale->format = AV_PIX_FMT_NONE;
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} else {
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scale->format = av_get_pix_fmt(scale->format_str);
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if (scale->format == AV_PIX_FMT_NONE) {
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av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", scale->format_str);
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return AVERROR(EINVAL);
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}
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}
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if (scale->size_str && (scale->w_expr || scale->h_expr)) {
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av_log(ctx, AV_LOG_ERROR,
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"Size and width/height exprs cannot be set at the same time.\n");
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return AVERROR(EINVAL);
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}
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if (scale->w_expr && !scale->h_expr)
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FFSWAP(char*, scale->w_expr, scale->size_str);
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if (scale->size_str) {
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char buf[32];
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ret = av_parse_video_size(&scale->w, &scale->h, scale->size_str);
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if (0 > ret) {
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av_log(ctx, AV_LOG_ERROR, "Invalid size '%s'\n", scale->size_str);
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return ret;
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}
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snprintf(buf, sizeof(buf) - 1, "%d", scale->w);
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ret = av_opt_set(scale, "w", buf, 0);
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if (ret < 0)
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return ret;
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snprintf(buf, sizeof(buf) - 1, "%d", scale->h);
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ret = av_opt_set(scale, "h", buf, 0);
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if (ret < 0)
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return ret;
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}
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if (!scale->w_expr) {
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ret = av_opt_set(scale, "w", "iw", 0);
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if (ret < 0)
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return ret;
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}
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if (!scale->h_expr) {
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ret = av_opt_set(scale, "h", "ih", 0);
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if (ret < 0)
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return ret;
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}
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ret = nppscale_parse_expr(ctx, NULL, &scale->w_pexpr, "width", scale->w_expr);
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if (ret < 0)
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return ret;
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ret = nppscale_parse_expr(ctx, NULL, &scale->h_pexpr, "height", scale->h_expr);
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if (ret < 0)
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return ret;
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for (i = 0; i < FF_ARRAY_ELEMS(scale->stages); i++) {
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scale->stages[i].frame = av_frame_alloc();
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if (!scale->stages[i].frame)
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return AVERROR(ENOMEM);
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}
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scale->tmp_frame = av_frame_alloc();
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if (!scale->tmp_frame)
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return AVERROR(ENOMEM);
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return 0;
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}
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static int nppscale_eval_dimensions(AVFilterContext* ctx)
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{
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NPPScaleContext* scale = ctx->priv;
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const char scale2ref = ctx->filter == &ff_vf_scale2ref_npp;
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const AVFilterLink* inlink = ctx->inputs[scale2ref ? 1 : 0];
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char* expr;
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int eval_w, eval_h;
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int ret;
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double res;
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scale->var_values[VAR_IN_W] = scale->var_values[VAR_IW] = inlink->w;
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scale->var_values[VAR_IN_H] = scale->var_values[VAR_IH] = inlink->h;
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scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = NAN;
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scale->var_values[VAR_OUT_H] = scale->var_values[VAR_OH] = NAN;
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scale->var_values[VAR_A] = (double)inlink->w / inlink->h;
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scale->var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
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(double)inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
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scale->var_values[VAR_DAR] = scale->var_values[VAR_A] * scale->var_values[VAR_SAR];
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if (scale2ref) {
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const AVFilterLink* main_link = ctx->inputs[0];
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scale->var_values[VAR_S2R_MAIN_W] = main_link->w;
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scale->var_values[VAR_S2R_MAIN_H] = main_link->h;
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scale->var_values[VAR_S2R_MAIN_A] = (double)main_link->w / main_link->h;
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scale->var_values[VAR_S2R_MAIN_SAR] = main_link->sample_aspect_ratio.num ?
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(double)main_link->sample_aspect_ratio.num / main_link->sample_aspect_ratio.den : 1;
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scale->var_values[VAR_S2R_MAIN_DAR] = scale->var_values[VAR_S2R_MDAR] =
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scale->var_values[VAR_S2R_MAIN_A] * scale->var_values[VAR_S2R_MAIN_SAR];
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}
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res = av_expr_eval(scale->w_pexpr, scale->var_values, NULL);
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eval_w = scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = (int)res == 0 ? inlink->w : (int)res;
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res = av_expr_eval(scale->h_pexpr, scale->var_values, NULL);
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if (isnan(res)) {
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expr = scale->h_expr;
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ret = AVERROR(EINVAL);
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goto fail;
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}
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eval_h = scale->var_values[VAR_OUT_H] = scale->var_values[VAR_OH] = (int)res == 0 ? inlink->h : (int)res;
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|
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res = av_expr_eval(scale->w_pexpr, scale->var_values, NULL);
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if (isnan(res)) {
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expr = scale->w_expr;
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ret = AVERROR(EINVAL);
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goto fail;
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}
|
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eval_w = scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = (int)res == 0 ? inlink->w : (int)res;
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|
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scale->w = eval_w;
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scale->h = eval_h;
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|
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return 0;
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|
|
|
fail:
|
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av_log(ctx, AV_LOG_ERROR, "Error when evaluating the expression '%s'.\n",
|
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expr);
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return ret;
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}
|
|
|
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static void nppscale_uninit(AVFilterContext *ctx)
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|
{
|
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NPPScaleContext *s = ctx->priv;
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int i;
|
|
|
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for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
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av_frame_free(&s->stages[i].frame);
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av_buffer_unref(&s->stages[i].frames_ctx);
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}
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av_frame_free(&s->tmp_frame);
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|
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av_expr_free(s->w_pexpr);
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av_expr_free(s->h_pexpr);
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s->w_pexpr = s->h_pexpr = NULL;
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}
|
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|
|
static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx)
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|
{
|
|
AVBufferRef *out_ref = NULL;
|
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AVHWFramesContext *out_ctx;
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int in_sw, in_sh, out_sw, out_sh;
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int ret, i;
|
|
|
|
av_pix_fmt_get_chroma_sub_sample(stage->in_fmt, &in_sw, &in_sh);
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av_pix_fmt_get_chroma_sub_sample(stage->out_fmt, &out_sw, &out_sh);
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|
if (!stage->planes_out[0].width) {
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stage->planes_out[0].width = stage->planes_in[0].width;
|
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stage->planes_out[0].height = stage->planes_in[0].height;
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}
|
|
|
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for (i = 1; i < FF_ARRAY_ELEMS(stage->planes_in); i++) {
|
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stage->planes_in[i].width = stage->planes_in[0].width >> in_sw;
|
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stage->planes_in[i].height = stage->planes_in[0].height >> in_sh;
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stage->planes_out[i].width = stage->planes_out[0].width >> out_sw;
|
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stage->planes_out[i].height = stage->planes_out[0].height >> out_sh;
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}
|
|
|
|
if (AV_PIX_FMT_YUVA420P == stage->in_fmt) {
|
|
stage->planes_in[3].width = stage->planes_in[0].width;
|
|
stage->planes_in[3].height = stage->planes_in[0].height;
|
|
stage->planes_out[3].width = stage->planes_out[0].width;
|
|
stage->planes_out[3].height = stage->planes_out[0].height;
|
|
}
|
|
|
|
out_ref = av_hwframe_ctx_alloc(device_ctx);
|
|
if (!out_ref)
|
|
return AVERROR(ENOMEM);
|
|
out_ctx = (AVHWFramesContext*)out_ref->data;
|
|
|
|
out_ctx->format = AV_PIX_FMT_CUDA;
|
|
out_ctx->sw_format = stage->out_fmt;
|
|
out_ctx->width = FFALIGN(stage->planes_out[0].width, 32);
|
|
out_ctx->height = FFALIGN(stage->planes_out[0].height, 32);
|
|
|
|
ret = av_hwframe_ctx_init(out_ref);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
av_frame_unref(stage->frame);
|
|
ret = av_hwframe_get_buffer(out_ref, stage->frame, 0);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
stage->frame->width = stage->planes_out[0].width;
|
|
stage->frame->height = stage->planes_out[0].height;
|
|
|
|
av_buffer_unref(&stage->frames_ctx);
|
|
stage->frames_ctx = out_ref;
|
|
|
|
return 0;
|
|
fail:
|
|
av_buffer_unref(&out_ref);
|
|
return ret;
|
|
}
|
|
|
|
static int format_is_supported(enum AVPixelFormat fmt)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++)
|
|
if (supported_formats[i] == fmt)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static enum AVPixelFormat get_deinterleaved_format(enum AVPixelFormat fmt)
|
|
{
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
|
|
int i, planes;
|
|
|
|
planes = av_pix_fmt_count_planes(fmt);
|
|
if (planes == desc->nb_components)
|
|
return fmt;
|
|
for (i = 0; i < FF_ARRAY_ELEMS(deinterleaved_formats); i++)
|
|
if (deinterleaved_formats[i][0] == fmt)
|
|
return deinterleaved_formats[i][1];
|
|
return AV_PIX_FMT_NONE;
|
|
}
|
|
|
|
static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height,
|
|
int out_width, int out_height)
|
|
{
|
|
NPPScaleContext *s = ctx->priv;
|
|
|
|
AVHWFramesContext *in_frames_ctx;
|
|
|
|
enum AVPixelFormat in_format;
|
|
enum AVPixelFormat out_format;
|
|
enum AVPixelFormat in_deinterleaved_format;
|
|
enum AVPixelFormat out_deinterleaved_format;
|
|
|
|
int i, ret, last_stage = -1;
|
|
|
|
/* check that we have a hw context */
|
|
if (!ctx->inputs[0]->hw_frames_ctx) {
|
|
av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
|
|
in_format = in_frames_ctx->sw_format;
|
|
out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format;
|
|
|
|
if (!format_is_supported(in_format)) {
|
|
av_log(ctx, AV_LOG_ERROR, "Unsupported input format: %s\n",
|
|
av_get_pix_fmt_name(in_format));
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
if (!format_is_supported(out_format)) {
|
|
av_log(ctx, AV_LOG_ERROR, "Unsupported output format: %s\n",
|
|
av_get_pix_fmt_name(out_format));
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
in_deinterleaved_format = get_deinterleaved_format(in_format);
|
|
out_deinterleaved_format = get_deinterleaved_format(out_format);
|
|
if (in_deinterleaved_format == AV_PIX_FMT_NONE ||
|
|
out_deinterleaved_format == AV_PIX_FMT_NONE)
|
|
return AVERROR_BUG;
|
|
|
|
/* figure out which stages need to be done */
|
|
if (in_width != out_width || in_height != out_height ||
|
|
in_deinterleaved_format != out_deinterleaved_format) {
|
|
s->stages[STAGE_RESIZE].stage_needed = 1;
|
|
|
|
if (s->interp_algo == NPPI_INTER_SUPER &&
|
|
(out_width > in_width && out_height > in_height)) {
|
|
s->interp_algo = NPPI_INTER_LANCZOS;
|
|
av_log(ctx, AV_LOG_WARNING, "super-sampling not supported for output dimensions, using lanczos instead.\n");
|
|
}
|
|
if (s->interp_algo == NPPI_INTER_SUPER &&
|
|
!(out_width < in_width && out_height < in_height)) {
|
|
s->interp_algo = NPPI_INTER_CUBIC;
|
|
av_log(ctx, AV_LOG_WARNING, "super-sampling not supported for output dimensions, using cubic instead.\n");
|
|
}
|
|
}
|
|
|
|
if (!s->stages[STAGE_RESIZE].stage_needed && in_format == out_format)
|
|
s->passthrough = 1;
|
|
|
|
if (!s->passthrough) {
|
|
if (in_format != in_deinterleaved_format)
|
|
s->stages[STAGE_DEINTERLEAVE].stage_needed = 1;
|
|
if (out_format != out_deinterleaved_format)
|
|
s->stages[STAGE_INTERLEAVE].stage_needed = 1;
|
|
}
|
|
|
|
s->stages[STAGE_DEINTERLEAVE].in_fmt = in_format;
|
|
s->stages[STAGE_DEINTERLEAVE].out_fmt = in_deinterleaved_format;
|
|
s->stages[STAGE_DEINTERLEAVE].planes_in[0].width = in_width;
|
|
s->stages[STAGE_DEINTERLEAVE].planes_in[0].height = in_height;
|
|
|
|
s->stages[STAGE_RESIZE].in_fmt = in_deinterleaved_format;
|
|
s->stages[STAGE_RESIZE].out_fmt = out_deinterleaved_format;
|
|
s->stages[STAGE_RESIZE].planes_in[0].width = in_width;
|
|
s->stages[STAGE_RESIZE].planes_in[0].height = in_height;
|
|
s->stages[STAGE_RESIZE].planes_out[0].width = out_width;
|
|
s->stages[STAGE_RESIZE].planes_out[0].height = out_height;
|
|
|
|
s->stages[STAGE_INTERLEAVE].in_fmt = out_deinterleaved_format;
|
|
s->stages[STAGE_INTERLEAVE].out_fmt = out_format;
|
|
s->stages[STAGE_INTERLEAVE].planes_in[0].width = out_width;
|
|
s->stages[STAGE_INTERLEAVE].planes_in[0].height = out_height;
|
|
|
|
/* init the hardware contexts */
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
|
|
if (!s->stages[i].stage_needed)
|
|
continue;
|
|
|
|
ret = init_stage(&s->stages[i], in_frames_ctx->device_ref);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
last_stage = i;
|
|
}
|
|
|
|
if (last_stage >= 0)
|
|
ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx);
|
|
else
|
|
ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(ctx->inputs[0]->hw_frames_ctx);
|
|
|
|
if (!ctx->outputs[0]->hw_frames_ctx)
|
|
return AVERROR(ENOMEM);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_props(AVFilterLink *outlink)
|
|
{
|
|
AVFilterContext *ctx = outlink->src;
|
|
AVFilterLink *inlink0 = outlink->src->inputs[0];
|
|
AVFilterLink *inlink = ctx->filter == &ff_vf_scale2ref_npp ?
|
|
outlink->src->inputs[1] :
|
|
outlink->src->inputs[0];
|
|
NPPScaleContext *s = ctx->priv;
|
|
int ret;
|
|
|
|
if ((ret = nppscale_eval_dimensions(ctx)) < 0)
|
|
goto fail;
|
|
|
|
ff_scale_adjust_dimensions(inlink, &s->w, &s->h,
|
|
s->force_original_aspect_ratio,
|
|
s->force_divisible_by);
|
|
|
|
if (s->w > INT_MAX || s->h > INT_MAX ||
|
|
(s->h * inlink->w) > INT_MAX ||
|
|
(s->w * inlink->h) > INT_MAX)
|
|
av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
|
|
|
|
outlink->w = s->w;
|
|
outlink->h = s->h;
|
|
|
|
ret = init_processing_chain(ctx, inlink0->w, inlink0->h, outlink->w, outlink->h);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
|
|
inlink->w, inlink->h, outlink->w, outlink->h);
|
|
|
|
if (inlink->sample_aspect_ratio.num)
|
|
outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w,
|
|
outlink->w*inlink->h},
|
|
inlink->sample_aspect_ratio);
|
|
else
|
|
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int config_props_ref(AVFilterLink *outlink)
|
|
{
|
|
AVFilterLink *inlink = outlink->src->inputs[1];
|
|
AVFilterContext *ctx = outlink->src;
|
|
|
|
outlink->w = inlink->w;
|
|
outlink->h = inlink->h;
|
|
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
|
|
outlink->time_base = inlink->time_base;
|
|
outlink->frame_rate = inlink->frame_rate;
|
|
|
|
ctx->outputs[1]->hw_frames_ctx = av_buffer_ref(ctx->inputs[1]->hw_frames_ctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nppscale_deinterleave(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
|
AVFrame *out, AVFrame *in)
|
|
{
|
|
AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)in->hw_frames_ctx->data;
|
|
NppStatus err;
|
|
|
|
switch (in_frames_ctx->sw_format) {
|
|
case AV_PIX_FMT_NV12:
|
|
err = nppiYCbCr420_8u_P2P3R(in->data[0], in->linesize[0],
|
|
in->data[1], in->linesize[1],
|
|
out->data, out->linesize,
|
|
(NppiSize){ in->width, in->height });
|
|
break;
|
|
default:
|
|
return AVERROR_BUG;
|
|
}
|
|
if (err != NPP_SUCCESS) {
|
|
av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err);
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nppscale_resize(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
|
AVFrame *out, AVFrame *in)
|
|
{
|
|
NPPScaleContext *s = ctx->priv;
|
|
NppStatus err;
|
|
int i;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(stage->planes_in) && i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
|
|
int iw = stage->planes_in[i].width;
|
|
int ih = stage->planes_in[i].height;
|
|
int ow = stage->planes_out[i].width;
|
|
int oh = stage->planes_out[i].height;
|
|
|
|
err = nppiResizeSqrPixel_8u_C1R(in->data[i], (NppiSize){ iw, ih },
|
|
in->linesize[i], (NppiRect){ 0, 0, iw, ih },
|
|
out->data[i], out->linesize[i],
|
|
(NppiRect){ 0, 0, ow, oh },
|
|
(double)ow / iw, (double)oh / ih,
|
|
0.0, 0.0, s->interp_algo);
|
|
if (err != NPP_SUCCESS) {
|
|
av_log(ctx, AV_LOG_ERROR, "NPP resize error: %d\n", err);
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nppscale_interleave(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
|
AVFrame *out, AVFrame *in)
|
|
{
|
|
AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)out->hw_frames_ctx->data;
|
|
NppStatus err;
|
|
|
|
switch (out_frames_ctx->sw_format) {
|
|
case AV_PIX_FMT_NV12:
|
|
err = nppiYCbCr420_8u_P3P2R((const uint8_t**)in->data,
|
|
in->linesize,
|
|
out->data[0], out->linesize[0],
|
|
out->data[1], out->linesize[1],
|
|
(NppiSize){ in->width, in->height });
|
|
break;
|
|
default:
|
|
return AVERROR_BUG;
|
|
}
|
|
if (err != NPP_SUCCESS) {
|
|
av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err);
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int (*const nppscale_process[])(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
|
AVFrame *out, AVFrame *in) = {
|
|
[STAGE_DEINTERLEAVE] = nppscale_deinterleave,
|
|
[STAGE_RESIZE] = nppscale_resize,
|
|
[STAGE_INTERLEAVE] = nppscale_interleave,
|
|
};
|
|
|
|
static int nppscale_scale(AVFilterLink *link, AVFrame *out, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = link->dst;
|
|
NPPScaleContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
AVFrame *src = in;
|
|
char buf[32];
|
|
int i, ret, last_stage = -1;
|
|
int frame_changed;
|
|
|
|
frame_changed = in->width != link->w ||
|
|
in->height != link->h ||
|
|
in->format != link->format ||
|
|
in->sample_aspect_ratio.den != link->sample_aspect_ratio.den ||
|
|
in->sample_aspect_ratio.num != link->sample_aspect_ratio.num;
|
|
|
|
if (s->eval_mode == EVAL_MODE_FRAME || frame_changed) {
|
|
unsigned vars_w[VARS_NB] = { 0 }, vars_h[VARS_NB] = { 0 };
|
|
|
|
av_expr_count_vars(s->w_pexpr, vars_w, VARS_NB);
|
|
av_expr_count_vars(s->h_pexpr, vars_h, VARS_NB);
|
|
|
|
if (s->eval_mode == EVAL_MODE_FRAME && !frame_changed && ctx->filter != &ff_vf_scale2ref_npp &&
|
|
!(vars_w[VAR_N] || vars_w[VAR_T]
|
|
#if FF_API_FRAME_PKT
|
|
|| vars_w[VAR_POS]
|
|
#endif
|
|
) &&
|
|
!(vars_h[VAR_N] || vars_h[VAR_T]
|
|
#if FF_API_FRAME_PKT
|
|
|| vars_h[VAR_POS]
|
|
#endif
|
|
) && s->w && s->h)
|
|
goto scale;
|
|
|
|
if (s->eval_mode == EVAL_MODE_INIT) {
|
|
snprintf(buf, sizeof(buf)-1, "%d", outlink->w);
|
|
av_opt_set(s, "w", buf, 0);
|
|
snprintf(buf, sizeof(buf)-1, "%d", outlink->h);
|
|
av_opt_set(s, "h", buf, 0);
|
|
|
|
ret = nppscale_parse_expr(ctx, NULL, &s->w_pexpr, "width", s->w_expr);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = nppscale_parse_expr(ctx, NULL, &s->h_pexpr, "height", s->h_expr);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (ctx->filter == &ff_vf_scale2ref_npp) {
|
|
s->var_values[VAR_S2R_MAIN_N] = link->frame_count_out;
|
|
s->var_values[VAR_S2R_MAIN_T] = TS2T(in->pts, link->time_base);
|
|
#if FF_API_FRAME_PKT
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
s->var_values[VAR_S2R_MAIN_POS] = in->pkt_pos == -1 ? NAN : in->pkt_pos;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
} else {
|
|
s->var_values[VAR_N] = link->frame_count_out;
|
|
s->var_values[VAR_T] = TS2T(in->pts, link->time_base);
|
|
#if FF_API_FRAME_PKT
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
s->var_values[VAR_POS] = in->pkt_pos == -1 ? NAN : in->pkt_pos;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
}
|
|
|
|
link->format = in->format;
|
|
link->w = in->width;
|
|
link->h = in->height;
|
|
|
|
link->sample_aspect_ratio.den = in->sample_aspect_ratio.den;
|
|
link->sample_aspect_ratio.num = in->sample_aspect_ratio.num;
|
|
|
|
if ((ret = config_props(outlink)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
scale:
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
|
|
if (!s->stages[i].stage_needed)
|
|
continue;
|
|
|
|
ret = nppscale_process[i](ctx, &s->stages[i], s->stages[i].frame, src);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
src = s->stages[i].frame;
|
|
last_stage = i;
|
|
}
|
|
if (last_stage < 0)
|
|
return AVERROR_BUG;
|
|
|
|
ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
s->tmp_frame->width = src->width;
|
|
s->tmp_frame->height = src->height;
|
|
|
|
av_frame_move_ref(out, src);
|
|
av_frame_move_ref(src, s->tmp_frame);
|
|
|
|
ret = av_frame_copy_props(out, in);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nppscale_filter_frame(AVFilterLink *link, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = link->dst;
|
|
NPPScaleContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data;
|
|
AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
|
|
|
|
AVFrame *out = NULL;
|
|
CUcontext dummy;
|
|
int ret = 0;
|
|
|
|
if (s->passthrough)
|
|
return ff_filter_frame(outlink, in);
|
|
|
|
out = av_frame_alloc();
|
|
if (!out) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
ret = CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPushCurrent(device_hwctx->cuda_ctx));
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
ret = nppscale_scale(link, out, in);
|
|
|
|
CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPopCurrent(&dummy));
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
|
|
(int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
|
|
(int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
|
|
INT_MAX);
|
|
|
|
av_frame_free(&in);
|
|
return ff_filter_frame(outlink, out);
|
|
fail:
|
|
av_frame_free(&in);
|
|
av_frame_free(&out);
|
|
return ret;
|
|
}
|
|
|
|
static int nppscale_filter_frame_ref(AVFilterLink *link, AVFrame *in)
|
|
{
|
|
NPPScaleContext *scale = link->dst->priv;
|
|
AVFilterLink *outlink = link->dst->outputs[1];
|
|
int frame_changed;
|
|
|
|
frame_changed = in->width != link->w ||
|
|
in->height != link->h ||
|
|
in->format != link->format ||
|
|
in->sample_aspect_ratio.den != link->sample_aspect_ratio.den ||
|
|
in->sample_aspect_ratio.num != link->sample_aspect_ratio.num;
|
|
|
|
if (frame_changed) {
|
|
link->format = in->format;
|
|
link->w = in->width;
|
|
link->h = in->height;
|
|
link->sample_aspect_ratio.num = in->sample_aspect_ratio.num;
|
|
link->sample_aspect_ratio.den = in->sample_aspect_ratio.den;
|
|
|
|
config_props_ref(outlink);
|
|
}
|
|
|
|
if (scale->eval_mode == EVAL_MODE_FRAME) {
|
|
scale->var_values[VAR_N] = link->frame_count_out;
|
|
scale->var_values[VAR_T] = TS2T(in->pts, link->time_base);
|
|
#if FF_API_FRAME_PKT
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
scale->var_values[VAR_POS] = in->pkt_pos == -1 ? NAN : in->pkt_pos;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
}
|
|
|
|
return ff_filter_frame(outlink, in);
|
|
}
|
|
|
|
static int request_frame(AVFilterLink *outlink)
|
|
{
|
|
return ff_request_frame(outlink->src->inputs[0]);
|
|
}
|
|
|
|
static int request_frame_ref(AVFilterLink *outlink)
|
|
{
|
|
return ff_request_frame(outlink->src->inputs[1]);
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(NPPScaleContext, x)
|
|
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
|
|
static const AVOption options[] = {
|
|
{ "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
|
|
{ "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
|
|
{ "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
|
|
{ "s", "Output video size", OFFSET(size_str), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS },
|
|
|
|
{ "interp_algo", "Interpolation algorithm used for resizing", OFFSET(interp_algo), AV_OPT_TYPE_INT, { .i64 = NPPI_INTER_CUBIC }, 0, INT_MAX, FLAGS, .unit = "interp_algo" },
|
|
{ "nn", "nearest neighbour", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_NN }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "linear", "linear", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LINEAR }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "cubic", "cubic", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "cubic2p_bspline", "2-parameter cubic (B=1, C=0)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_BSPLINE }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "cubic2p_catmullrom", "2-parameter cubic (B=0, C=1/2)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_CATMULLROM }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "cubic2p_b05c03", "2-parameter cubic (B=1/2, C=3/10)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "super", "supersampling", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0, FLAGS, .unit = "interp_algo" },
|
|
{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, FLAGS, .unit = "force_oar" },
|
|
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, .unit = "force_oar" },
|
|
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, .unit = "force_oar" },
|
|
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, .unit = "force_oar" },
|
|
{ "force_divisible_by", "enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used", OFFSET(force_divisible_by), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 256, FLAGS },
|
|
{ "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, { .i64 = EVAL_MODE_INIT }, 0, EVAL_MODE_NB-1, FLAGS, .unit = "eval" },
|
|
{ "init", "eval expressions once during initialization", 0, AV_OPT_TYPE_CONST, { .i64 = EVAL_MODE_INIT }, 0, 0, FLAGS, .unit = "eval" },
|
|
{ "frame", "eval expressions during initialization and per-frame", 0, AV_OPT_TYPE_CONST, { .i64 = EVAL_MODE_FRAME }, 0, 0, FLAGS, .unit = "eval" },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass nppscale_class = {
|
|
.class_name = "nppscale",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
.category = AV_CLASS_CATEGORY_FILTER,
|
|
};
|
|
|
|
static const AVFilterPad nppscale_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = nppscale_filter_frame,
|
|
}
|
|
};
|
|
|
|
static const AVFilterPad nppscale_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_props,
|
|
}
|
|
};
|
|
|
|
const AVFilter ff_vf_scale_npp = {
|
|
.name = "scale_npp",
|
|
.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
|
|
"scaling and format conversion"),
|
|
|
|
.init = nppscale_init,
|
|
.uninit = nppscale_uninit,
|
|
|
|
.priv_size = sizeof(NPPScaleContext),
|
|
.priv_class = &nppscale_class,
|
|
|
|
FILTER_INPUTS(nppscale_inputs),
|
|
FILTER_OUTPUTS(nppscale_outputs),
|
|
|
|
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
|
|
|
|
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
|
|
};
|
|
|
|
static const AVFilterPad nppscale2ref_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = nppscale_filter_frame,
|
|
},
|
|
{
|
|
.name = "ref",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = nppscale_filter_frame_ref,
|
|
}
|
|
};
|
|
|
|
static const AVFilterPad nppscale2ref_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_props,
|
|
.request_frame= request_frame,
|
|
},
|
|
{
|
|
.name = "ref",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_props_ref,
|
|
.request_frame= request_frame_ref,
|
|
}
|
|
};
|
|
|
|
const AVFilter ff_vf_scale2ref_npp = {
|
|
.name = "scale2ref_npp",
|
|
.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
|
|
"scaling and format conversion to the "
|
|
"given reference."),
|
|
|
|
.init = nppscale_init,
|
|
.uninit = nppscale_uninit,
|
|
|
|
.priv_size = sizeof(NPPScaleContext),
|
|
.priv_class = &nppscale_class,
|
|
|
|
FILTER_INPUTS(nppscale2ref_inputs),
|
|
FILTER_OUTPUTS(nppscale2ref_outputs),
|
|
|
|
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
|
|
|
|
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
|
|
};
|