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new 4d021acb40 avfilter: drop the scale_npp filter source that is no longer needed
4d021acb40 is described below
commit 4d021acb40f871b093e7b542c26bd099798d6fe8
Author: nyanmisaka <nst799610810(a)gmail.com>
AuthorDate: Mon Oct 5 11:44:50 2026 +0800
Commit: Timo Rothenpieler <timo(a)rothenpieler.org>
CommitDate: Mon Oct 5 13:13:08 2026 +0000
avfilter: drop the scale_npp filter source that is no longer needed
It should have been dropped in 9f58e30.
Signed-off-by: nyanmisaka <nst799610810(a)gmail.com>
---
libavfilter/vf_scale_npp.c | 1084 --------------------------------------------
1 file changed, 1084 deletions(-)
diff --git a/libavfilter/vf_scale_npp.c b/libavfilter/vf_scale_npp.c
deleted file mode 100644
index a2a68e72fe..0000000000
--- a/libavfilter/vf_scale_npp.c
+++ /dev/null
@@ -1,1084 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * scale video filter
- */
-
-#include <nppi.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "libavutil/hwcontext.h"
-#include "libavutil/hwcontext_cuda_internal.h"
-#include "libavutil/cuda_check.h"
-#include "libavutil/internal.h"
-#include "libavutil/mem.h"
-#include "libavutil/opt.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/eval.h"
-#include "libavutil/pixdesc.h"
-
-#include "avfilter.h"
-#include "filters.h"
-#include "formats.h"
-#include "scale_eval.h"
-#include "video.h"
-
-#define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)
-
-static const enum AVPixelFormat supported_formats[] = {
- AV_PIX_FMT_YUV420P,
- AV_PIX_FMT_YUVA420P,
- AV_PIX_FMT_NV12,
- AV_PIX_FMT_YUV444P,
-};
-
-static const enum AVPixelFormat deinterleaved_formats[][2] = {
- { AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P },
-};
-
-enum ScaleStage {
- STAGE_DEINTERLEAVE,
- STAGE_RESIZE,
- STAGE_INTERLEAVE,
- STAGE_NB,
-};
-
-typedef struct NPPScaleStageContext {
- int stage_needed;
- enum AVPixelFormat in_fmt;
- enum AVPixelFormat out_fmt;
-
- struct {
- int width;
- int height;
- } planes_in[4], planes_out[4];
-
- AVBufferRef *frames_ctx;
- AVFrame *frame;
-} NPPScaleStageContext;
-
-static const char *const var_names[] = {
- "in_w", "iw",
- "in_h", "ih",
- "out_w", "ow",
- "out_h", "oh",
- "a",
- "sar",
- "dar",
- "n",
- "t",
- "main_w",
- "main_h",
- "main_a",
- "main_sar",
- "main_dar", "mdar",
- "main_n",
- "main_t",
- NULL
-};
-
-enum var_name {
- VAR_IN_W, VAR_IW,
- VAR_IN_H, VAR_IH,
- VAR_OUT_W, VAR_OW,
- VAR_OUT_H, VAR_OH,
- VAR_A,
- VAR_SAR,
- VAR_DAR,
- VAR_N,
- VAR_T,
- VAR_S2R_MAIN_W,
- VAR_S2R_MAIN_H,
- VAR_S2R_MAIN_A,
- VAR_S2R_MAIN_SAR,
- VAR_S2R_MAIN_DAR, VAR_S2R_MDAR,
- VAR_S2R_MAIN_N,
- VAR_S2R_MAIN_T,
- VARS_NB
-};
-
-enum EvalMode {
- EVAL_MODE_INIT,
- EVAL_MODE_FRAME,
- EVAL_MODE_NB
-};
-
-typedef struct NPPScaleContext {
- const AVClass *class;
-
- NPPScaleStageContext stages[STAGE_NB];
- AVFrame *tmp_frame;
- int passthrough;
-
- int shift_width, shift_height;
-
- /**
- * New dimensions. Special values are:
- * 0 = original width/height
- * -1 = keep original aspect
- */
- int w, h;
-
- /**
- * Output sw format. AV_PIX_FMT_NONE for no conversion.
- */
- enum AVPixelFormat format;
-
- char *w_expr; ///< width expression string
- char *h_expr; ///< height expression string
- char *format_str;
-
- int force_original_aspect_ratio;
- int force_divisible_by;
- int reset_sar;
-
- int interp_algo;
-
- char* size_str;
-
- AVExpr* w_pexpr;
- AVExpr* h_pexpr;
-
- double var_values[VARS_NB];
-
- int eval_mode;
-} NPPScaleContext;
-
-const FFFilter ff_vf_scale2ref_npp;
-#define IS_SCALE2REF(ctx) ((ctx)->filter == &ff_vf_scale2ref_npp.p)
-
-static int config_props(AVFilterLink *outlink);
-
-static int check_exprs(AVFilterContext* ctx)
-{
- NPPScaleContext* scale = ctx->priv;
- unsigned vars_w[VARS_NB] = {0}, vars_h[VARS_NB] = {0};
-
- if (!scale->w_pexpr && !scale->h_pexpr)
- return AVERROR(EINVAL);
-
- if (scale->w_pexpr)
- av_expr_count_vars(scale->w_pexpr, vars_w, VARS_NB);
- if (scale->h_pexpr)
- av_expr_count_vars(scale->h_pexpr, vars_h, VARS_NB);
-
- if (vars_w[VAR_OUT_W] || vars_w[VAR_OW]) {
- av_log(ctx, AV_LOG_ERROR, "Width expression cannot be self-referencing: '%s'.\n", scale->w_expr);
- return AVERROR(EINVAL);
- }
-
- if (vars_h[VAR_OUT_H] || vars_h[VAR_OH]) {
- av_log(ctx, AV_LOG_ERROR, "Height expression cannot be self-referencing: '%s'.\n", scale->h_expr);
- return AVERROR(EINVAL);
- }
-
- if ((vars_w[VAR_OUT_H] || vars_w[VAR_OH]) &&
- (vars_h[VAR_OUT_W] || vars_h[VAR_OW])) {
- av_log(ctx, AV_LOG_WARNING, "Circular references detected for width '%s' and height '%s' - possibly invalid.\n", scale->w_expr, scale->h_expr);
- }
-
- if (!IS_SCALE2REF(ctx) &&
- (vars_w[VAR_S2R_MAIN_W] || vars_h[VAR_S2R_MAIN_W] ||
- vars_w[VAR_S2R_MAIN_H] || vars_h[VAR_S2R_MAIN_H] ||
- vars_w[VAR_S2R_MAIN_A] || vars_h[VAR_S2R_MAIN_A] ||
- vars_w[VAR_S2R_MAIN_SAR] || vars_h[VAR_S2R_MAIN_SAR] ||
- vars_w[VAR_S2R_MAIN_DAR] || vars_h[VAR_S2R_MAIN_DAR] ||
- vars_w[VAR_S2R_MDAR] || vars_h[VAR_S2R_MDAR] ||
- vars_w[VAR_S2R_MAIN_N] || vars_h[VAR_S2R_MAIN_N] ||
- vars_w[VAR_S2R_MAIN_T] || vars_h[VAR_S2R_MAIN_T])) {
- av_log(ctx, AV_LOG_ERROR, "Expressions with scale2ref_npp variables are not valid in scale_npp filter.\n");
- return AVERROR(EINVAL);
- }
-
- if (scale->eval_mode == EVAL_MODE_INIT &&
- (vars_w[VAR_N] || vars_h[VAR_N] ||
- vars_w[VAR_T] || vars_h[VAR_T] ||
- vars_w[VAR_S2R_MAIN_N] || vars_h[VAR_S2R_MAIN_N] ||
- vars_w[VAR_S2R_MAIN_T] || vars_h[VAR_S2R_MAIN_T])) {
- av_log(ctx, AV_LOG_ERROR, "Expressions with frame variables 'n', 't', are not valid in init eval_mode.\n");
- return AVERROR(EINVAL);
- }
-
- return 0;
-}
-
-static int nppscale_parse_expr(AVFilterContext* ctx, char* str_expr,
- AVExpr** pexpr_ptr, const char* var,
- const char* args)
-{
- NPPScaleContext* scale = ctx->priv;
- int ret, is_inited = 0;
- char* old_str_expr = NULL;
- AVExpr* old_pexpr = NULL;
-
- if (str_expr) {
- old_str_expr = av_strdup(str_expr);
- if (!old_str_expr)
- return AVERROR(ENOMEM);
- av_opt_set(scale, var, args, 0);
- }
-
- if (*pexpr_ptr) {
- old_pexpr = *pexpr_ptr;
- *pexpr_ptr = NULL;
- is_inited = 1;
- }
-
- ret = av_expr_parse(pexpr_ptr, args, var_names, NULL, NULL, NULL, NULL, 0,
- ctx);
- if (ret < 0) {
- av_log(ctx, AV_LOG_ERROR, "Cannot parse expression for %s: '%s'\n", var,
- args);
- goto revert;
- }
-
- ret = check_exprs(ctx);
- if (ret < 0)
- goto revert;
-
- if (is_inited && (ret = config_props(ctx->outputs[0])) < 0)
- goto revert;
-
- av_expr_free(old_pexpr);
- old_pexpr = NULL;
- av_freep(&old_str_expr);
-
- return 0;
-
-revert:
- av_expr_free(*pexpr_ptr);
- *pexpr_ptr = NULL;
- if (old_str_expr) {
- av_opt_set(scale, var, old_str_expr, 0);
- av_free(old_str_expr);
- }
- if (old_pexpr)
- *pexpr_ptr = old_pexpr;
-
- return ret;
-}
-
-static av_cold int nppscale_init(AVFilterContext* ctx)
-{
- NPPScaleContext* scale = ctx->priv;
- int i, ret;
-
- av_log(ctx, AV_LOG_WARNING, "The libnpp based filters are deprecated.\n");
-
- if (!strcmp(scale->format_str, "same")) {
- scale->format = AV_PIX_FMT_NONE;
- } else {
- scale->format = av_get_pix_fmt(scale->format_str);
- if (scale->format == AV_PIX_FMT_NONE) {
- av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", scale->format_str);
- return AVERROR(EINVAL);
- }
- }
-
- if (scale->size_str && (scale->w_expr || scale->h_expr)) {
- av_log(ctx, AV_LOG_ERROR,
- "Size and width/height exprs cannot be set at the same time.\n");
- return AVERROR(EINVAL);
- }
-
- if (scale->w_expr && !scale->h_expr)
- FFSWAP(char*, scale->w_expr, scale->size_str);
-
- if (scale->size_str) {
- char buf[32];
- ret = av_parse_video_size(&scale->w, &scale->h, scale->size_str);
- if (0 > ret) {
- av_log(ctx, AV_LOG_ERROR, "Invalid size '%s'\n", scale->size_str);
- return ret;
- }
-
- snprintf(buf, sizeof(buf) - 1, "%d", scale->w);
- ret = av_opt_set(scale, "w", buf, 0);
- if (ret < 0)
- return ret;
-
- snprintf(buf, sizeof(buf) - 1, "%d", scale->h);
- ret = av_opt_set(scale, "h", buf, 0);
- if (ret < 0)
- return ret;
- }
-
- if (!scale->w_expr) {
- ret = av_opt_set(scale, "w", "iw", 0);
- if (ret < 0)
- return ret;
- }
-
- if (!scale->h_expr) {
- ret = av_opt_set(scale, "h", "ih", 0);
- if (ret < 0)
- return ret;
- }
-
- ret = nppscale_parse_expr(ctx, NULL, &scale->w_pexpr, "width", scale->w_expr);
- if (ret < 0)
- return ret;
-
- ret = nppscale_parse_expr(ctx, NULL, &scale->h_pexpr, "height", scale->h_expr);
- if (ret < 0)
- return ret;
-
- for (i = 0; i < FF_ARRAY_ELEMS(scale->stages); i++) {
- scale->stages[i].frame = av_frame_alloc();
- if (!scale->stages[i].frame)
- return AVERROR(ENOMEM);
- }
- scale->tmp_frame = av_frame_alloc();
- if (!scale->tmp_frame)
- return AVERROR(ENOMEM);
-
- return 0;
-}
-
-static int nppscale_eval_dimensions(AVFilterContext* ctx)
-{
- NPPScaleContext* scale = ctx->priv;
- const char scale2ref = IS_SCALE2REF(ctx);
- const AVFilterLink* inlink = ctx->inputs[scale2ref ? 1 : 0];
- char* expr;
- int eval_w, eval_h;
- int ret;
- double res;
-
- scale->var_values[VAR_IN_W] = scale->var_values[VAR_IW] = inlink->w;
- scale->var_values[VAR_IN_H] = scale->var_values[VAR_IH] = inlink->h;
- scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = NAN;
- scale->var_values[VAR_OUT_H] = scale->var_values[VAR_OH] = NAN;
- scale->var_values[VAR_A] = (double)inlink->w / inlink->h;
- scale->var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
- (double)inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
- scale->var_values[VAR_DAR] = scale->var_values[VAR_A] * scale->var_values[VAR_SAR];
-
- if (scale2ref) {
- const AVFilterLink* main_link = ctx->inputs[0];
-
- scale->var_values[VAR_S2R_MAIN_W] = main_link->w;
- scale->var_values[VAR_S2R_MAIN_H] = main_link->h;
- scale->var_values[VAR_S2R_MAIN_A] = (double)main_link->w / main_link->h;
- scale->var_values[VAR_S2R_MAIN_SAR] = main_link->sample_aspect_ratio.num ?
- (double)main_link->sample_aspect_ratio.num / main_link->sample_aspect_ratio.den : 1;
- scale->var_values[VAR_S2R_MAIN_DAR] = scale->var_values[VAR_S2R_MDAR] =
- scale->var_values[VAR_S2R_MAIN_A] * scale->var_values[VAR_S2R_MAIN_SAR];
- }
-
- res = av_expr_eval(scale->w_pexpr, scale->var_values, NULL);
- eval_w = scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = (int)res == 0 ? inlink->w : (int)res;
-
- res = av_expr_eval(scale->h_pexpr, scale->var_values, NULL);
- if (isnan(res)) {
- expr = scale->h_expr;
- ret = AVERROR(EINVAL);
- goto fail;
- }
- eval_h = scale->var_values[VAR_OUT_H] = scale->var_values[VAR_OH] = (int)res == 0 ? inlink->h : (int)res;
-
- res = av_expr_eval(scale->w_pexpr, scale->var_values, NULL);
- if (isnan(res)) {
- expr = scale->w_expr;
- ret = AVERROR(EINVAL);
- goto fail;
- }
- eval_w = scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = (int)res == 0 ? inlink->w : (int)res;
-
- scale->w = eval_w;
- scale->h = eval_h;
-
- return 0;
-
-fail:
- av_log(ctx, AV_LOG_ERROR, "Error when evaluating the expression '%s'.\n",
- expr);
- return ret;
-}
-
-static void nppscale_uninit(AVFilterContext *ctx)
-{
- NPPScaleContext *s = ctx->priv;
- int i;
-
- for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
- av_frame_free(&s->stages[i].frame);
- av_buffer_unref(&s->stages[i].frames_ctx);
- }
- av_frame_free(&s->tmp_frame);
-
- av_expr_free(s->w_pexpr);
- av_expr_free(s->h_pexpr);
- s->w_pexpr = s->h_pexpr = NULL;
-}
-
-static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx)
-{
- AVBufferRef *out_ref = NULL;
- AVHWFramesContext *out_ctx;
- int in_sw, in_sh, out_sw, out_sh;
- int ret, i;
-
- av_pix_fmt_get_chroma_sub_sample(stage->in_fmt, &in_sw, &in_sh);
- av_pix_fmt_get_chroma_sub_sample(stage->out_fmt, &out_sw, &out_sh);
- if (!stage->planes_out[0].width) {
- stage->planes_out[0].width = stage->planes_in[0].width;
- stage->planes_out[0].height = stage->planes_in[0].height;
- }
-
- for (i = 1; i < FF_ARRAY_ELEMS(stage->planes_in); i++) {
- stage->planes_in[i].width = stage->planes_in[0].width >> in_sw;
- stage->planes_in[i].height = stage->planes_in[0].height >> in_sh;
- stage->planes_out[i].width = stage->planes_out[0].width >> out_sw;
- stage->planes_out[i].height = stage->planes_out[0].height >> out_sh;
- }
-
- 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;
- FilterLink *inl = ff_filter_link(ctx->inputs[0]);
- FilterLink *outl = ff_filter_link(ctx->outputs[0]);
-
- 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 (!inl->hw_frames_ctx) {
- av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
- return AVERROR(EINVAL);
- }
- in_frames_ctx = (AVHWFramesContext*)inl->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)
- outl->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx);
- else
- outl->hw_frames_ctx = av_buffer_ref(inl->hw_frames_ctx);
-
- if (!outl->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 = IS_SCALE2REF(ctx) ?
- outlink->src->inputs[1] :
- outlink->src->inputs[0];
- NPPScaleContext *s = ctx->priv;
- double w_adj = 1.0;
- int ret;
-
- if ((ret = nppscale_eval_dimensions(ctx)) < 0)
- goto fail;
-
- if (s->reset_sar)
- w_adj = IS_SCALE2REF(ctx) ? s->var_values[VAR_S2R_MAIN_SAR] :
- s->var_values[VAR_SAR];
-
- ret = ff_scale_adjust_dimensions(inlink, &s->w, &s->h,
- s->force_original_aspect_ratio,
- s->force_divisible_by, w_adj);
- if (ret < 0)
- goto fail;
-
- 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 (s->reset_sar)
- outlink->sample_aspect_ratio = (AVRational){1, 1};
- else 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)
-{
- FilterLink *outl = ff_filter_link(outlink);
- AVFilterLink *inlink = outlink->src->inputs[1];
- FilterLink *inl = ff_filter_link(inlink);
- FilterLink *ol = ff_filter_link(outlink);
-
- outlink->w = inlink->w;
- outlink->h = inlink->h;
- outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
- outlink->time_base = inlink->time_base;
- ol->frame_rate = inl->frame_rate;
-
- outl->hw_frames_ctx = av_buffer_ref(inl->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)
-{
- FilterLink *inl = ff_filter_link(link);
- 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 && !IS_SCALE2REF(ctx) &&
- !(vars_w[VAR_N] || vars_w[VAR_T]) &&
- !(vars_h[VAR_N] || vars_h[VAR_T]) && 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 (IS_SCALE2REF(ctx)) {
- s->var_values[VAR_S2R_MAIN_N] = inl->frame_count_out;
- s->var_values[VAR_S2R_MAIN_T] = TS2T(in->pts, link->time_base);
- } else {
- s->var_values[VAR_N] = inl->frame_count_out;
- s->var_values[VAR_T] = TS2T(in->pts, link->time_base);
- }
-
- 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;
-
- if (out->width != in->width || out->height != in->height) {
- av_frame_side_data_remove_by_props(&out->side_data, &out->nb_side_data,
- AV_SIDE_DATA_PROP_SIZE_DEPENDENT);
- }
-
- return 0;
-}
-
-static int nppscale_filter_frame(AVFilterLink *link, AVFrame *in)
-{
- AVFilterContext *ctx = link->dst;
- NPPScaleContext *s = ctx->priv;
- AVFilterLink *outlink = ctx->outputs[0];
- FilterLink *l = ff_filter_link(outlink);
- AVHWFramesContext *frames_ctx = (AVHWFramesContext*)l->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)
-{
- FilterLink *inl = ff_filter_link(link);
- 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] = inl->frame_count_out;
- scale->var_values[VAR_T] = TS2T(in->pts, link->time_base);
- }
-
- 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, SCALE_FORCE_OAR_NB-1, FLAGS, .unit = "force_oar" },
- { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DISABLE }, 0, 0, FLAGS, .unit = "force_oar" },
- { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DECREASE }, 0, 0, FLAGS, .unit = "force_oar" },
- { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_INCREASE }, 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 },
- { "reset_sar", "reset SAR to 1 and scale to square pixels if scaling proportionally", OFFSET(reset_sar), AV_OPT_TYPE_BOOL, { .i64 = 0}, 0, 1, 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 FFFilter ff_vf_scale_npp = {
- .p.name = "scale_npp",
- .p.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
- "scaling and format conversion"),
- .p.priv_class = &nppscale_class,
-
- .init = nppscale_init,
- .uninit = nppscale_uninit,
-
- .priv_size = sizeof(NPPScaleContext),
-
- 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 FFFilter ff_vf_scale2ref_npp = {
- .p.name = "scale2ref_npp",
- .p.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
- "scaling and format conversion to the "
- "given reference."),
- .p.priv_class = &nppscale_class,
-
- .init = nppscale_init,
- .uninit = nppscale_uninit,
-
- .priv_size = sizeof(NPPScaleContext),
-
- FILTER_INPUTS(nppscale2ref_inputs),
- FILTER_OUTPUTS(nppscale2ref_outputs),
-
- FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
-
- .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
-};
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