mirror of https://git.ffmpeg.org/ffmpeg.git
476 lines
16 KiB
C
476 lines
16 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 <nppi.h>
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#include <stdio.h>
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#include <string.h>
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#include "libavutil/common.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/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "formats.h"
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#include "internal.h"
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#include "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_YUV444P
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};
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enum TransposeStage {
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STAGE_ROTATE,
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STAGE_TRANSPOSE,
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STAGE_NB
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};
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enum Transpose {
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NPP_TRANSPOSE_CCLOCK_FLIP = 0,
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NPP_TRANSPOSE_CLOCK = 1,
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NPP_TRANSPOSE_CCLOCK = 2,
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NPP_TRANSPOSE_CLOCK_FLIP = 3
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};
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enum Passthrough {
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NPP_TRANSPOSE_PT_TYPE_NONE = 0,
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NPP_TRANSPOSE_PT_TYPE_LANDSCAPE,
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NPP_TRANSPOSE_PT_TYPE_PORTRAIT
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};
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typedef struct NPPTransposeStageContext {
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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[3], planes_out[3];
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AVBufferRef *frames_ctx;
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AVFrame *frame;
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} NPPTransposeStageContext;
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typedef struct NPPTransposeContext {
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const AVClass *class;
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NPPTransposeStageContext stages[STAGE_NB];
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AVFrame *tmp_frame;
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int passthrough; ///< PassthroughType, landscape passthrough mode enabled
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int dir; ///< TransposeDir
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} NPPTransposeContext;
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static int npptranspose_init(AVFilterContext *ctx)
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{
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NPPTransposeContext *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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s->stages[i].frame = av_frame_alloc();
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if (!s->stages[i].frame)
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return AVERROR(ENOMEM);
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}
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s->tmp_frame = av_frame_alloc();
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if (!s->tmp_frame)
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return AVERROR(ENOMEM);
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return 0;
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}
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static void npptranspose_uninit(AVFilterContext *ctx)
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{
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NPPTransposeContext *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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static int init_stage(NPPTransposeStageContext *stage, AVBufferRef *device_ctx)
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{
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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;
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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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}
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out_ref = av_hwframe_ctx_alloc(device_ctx);
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if (!out_ref)
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return AVERROR(ENOMEM);
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out_ctx = (AVHWFramesContext*)out_ref->data;
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out_ctx->format = AV_PIX_FMT_CUDA;
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out_ctx->sw_format = stage->out_fmt;
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out_ctx->width = FFALIGN(stage->planes_out[0].width, 32);
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out_ctx->height = FFALIGN(stage->planes_out[0].height, 32);
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ret = av_hwframe_ctx_init(out_ref);
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if (ret < 0)
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goto fail;
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av_frame_unref(stage->frame);
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ret = av_hwframe_get_buffer(out_ref, stage->frame, 0);
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if (ret < 0)
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goto fail;
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stage->frame->width = stage->planes_out[0].width;
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stage->frame->height = stage->planes_out[0].height;
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av_buffer_unref(&stage->frames_ctx);
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stage->frames_ctx = out_ref;
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return 0;
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fail:
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av_buffer_unref(&out_ref);
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return ret;
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}
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static int format_is_supported(enum AVPixelFormat fmt)
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{
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++)
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if (supported_formats[i] == fmt)
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return 1;
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return 0;
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}
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static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height,
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int out_width, int out_height)
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{
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NPPTransposeContext *s = ctx->priv;
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AVHWFramesContext *in_frames_ctx;
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enum AVPixelFormat format;
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int i, ret, last_stage = -1;
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int rot_width = out_width, rot_height = out_height;
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/* check that we have a hw context */
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if (!ctx->inputs[0]->hw_frames_ctx) {
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av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
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return AVERROR(EINVAL);
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}
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in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
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format = in_frames_ctx->sw_format;
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if (!format_is_supported(format)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported input format: %s\n",
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av_get_pix_fmt_name(format));
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return AVERROR(ENOSYS);
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}
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if (s->dir != NPP_TRANSPOSE_CCLOCK_FLIP) {
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s->stages[STAGE_ROTATE].stage_needed = 1;
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}
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if (s->dir == NPP_TRANSPOSE_CCLOCK_FLIP || s->dir == NPP_TRANSPOSE_CLOCK_FLIP) {
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s->stages[STAGE_TRANSPOSE].stage_needed = 1;
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/* Rotating by 180° in case of clock_flip, or not at all for cclock_flip, so width/height unchanged by rotation */
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rot_width = in_width;
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rot_height = in_height;
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}
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s->stages[STAGE_ROTATE].in_fmt = format;
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s->stages[STAGE_ROTATE].out_fmt = format;
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s->stages[STAGE_ROTATE].planes_in[0].width = in_width;
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s->stages[STAGE_ROTATE].planes_in[0].height = in_height;
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s->stages[STAGE_ROTATE].planes_out[0].width = rot_width;
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s->stages[STAGE_ROTATE].planes_out[0].height = rot_height;
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s->stages[STAGE_TRANSPOSE].in_fmt = format;
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s->stages[STAGE_TRANSPOSE].out_fmt = format;
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s->stages[STAGE_TRANSPOSE].planes_in[0].width = rot_width;
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s->stages[STAGE_TRANSPOSE].planes_in[0].height = rot_height;
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s->stages[STAGE_TRANSPOSE].planes_out[0].width = out_width;
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s->stages[STAGE_TRANSPOSE].planes_out[0].height = out_height;
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/* init the hardware contexts */
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for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
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if (!s->stages[i].stage_needed)
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continue;
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ret = init_stage(&s->stages[i], in_frames_ctx->device_ref);
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if (ret < 0)
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return ret;
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last_stage = i;
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}
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if (last_stage >= 0) {
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ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx);
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} else {
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ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(ctx->inputs[0]->hw_frames_ctx);
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s->passthrough = 1;
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}
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if (!ctx->outputs[0]->hw_frames_ctx)
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return AVERROR(ENOMEM);
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return 0;
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}
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static int npptranspose_config_props(AVFilterLink *outlink)
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{
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AVFilterContext *ctx = outlink->src;
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AVFilterLink *inlink = ctx->inputs[0];
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NPPTransposeContext *s = ctx->priv;
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int ret;
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if ((inlink->w >= inlink->h && s->passthrough == NPP_TRANSPOSE_PT_TYPE_LANDSCAPE) ||
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(inlink->w <= inlink->h && s->passthrough == NPP_TRANSPOSE_PT_TYPE_PORTRAIT))
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{
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if (inlink->hw_frames_ctx) {
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outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
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if (!outlink->hw_frames_ctx)
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return AVERROR(ENOMEM);
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}
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av_log(ctx, AV_LOG_VERBOSE,
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"w:%d h:%d -> w:%d h:%d (passthrough mode)\n",
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inlink->w, inlink->h, inlink->w, inlink->h);
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return 0;
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} else {
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s->passthrough = NPP_TRANSPOSE_PT_TYPE_NONE;
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}
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outlink->w = inlink->h;
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outlink->h = inlink->w;
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outlink->sample_aspect_ratio = (AVRational){inlink->sample_aspect_ratio.den, inlink->sample_aspect_ratio.num};
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ret = init_processing_chain(ctx, inlink->w, inlink->h, outlink->w, outlink->h);
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if (ret < 0)
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return ret;
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av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -transpose-> w:%d h:%d\n",
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inlink->w, inlink->h, outlink->w, outlink->h);
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return 0;
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}
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static int npptranspose_rotate(AVFilterContext *ctx, NPPTransposeStageContext *stage,
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AVFrame *out, AVFrame *in)
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{
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NPPTransposeContext *s = ctx->priv;
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NppStatus err;
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(stage->planes_in) && i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
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int iw = stage->planes_in[i].width;
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int ih = stage->planes_in[i].height;
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int ow = stage->planes_out[i].width;
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int oh = stage->planes_out[i].height;
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// nppRotate uses 0,0 as the rotation point
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// need to shift the image accordingly after rotation
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// need to subtract 1 to get the correct coordinates
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double angle = s->dir == NPP_TRANSPOSE_CLOCK ? -90.0 : s->dir == NPP_TRANSPOSE_CCLOCK ? 90.0 : 180.0;
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int shiftw = (s->dir == NPP_TRANSPOSE_CLOCK || s->dir == NPP_TRANSPOSE_CLOCK_FLIP) ? ow - 1 : 0;
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int shifth = (s->dir == NPP_TRANSPOSE_CCLOCK || s->dir == NPP_TRANSPOSE_CLOCK_FLIP) ? oh - 1 : 0;
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err = nppiRotate_8u_C1R(in->data[i], (NppiSize){ iw, ih },
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in->linesize[i], (NppiRect){ 0, 0, iw, ih },
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out->data[i], out->linesize[i],
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(NppiRect){ 0, 0, ow, oh },
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angle, shiftw, shifth, NPPI_INTER_NN);
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if (err != NPP_SUCCESS) {
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av_log(ctx, AV_LOG_ERROR, "NPP rotate error: %d\n", err);
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return AVERROR_UNKNOWN;
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}
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}
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return 0;
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}
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static int npptranspose_transpose(AVFilterContext *ctx, NPPTransposeStageContext *stage,
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AVFrame *out, AVFrame *in)
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{
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NppStatus err;
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(stage->planes_in) && i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
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int iw = stage->planes_in[i].width;
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int ih = stage->planes_in[i].height;
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err = nppiTranspose_8u_C1R(in->data[i], in->linesize[i],
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out->data[i], out->linesize[i],
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(NppiSize){ iw, ih });
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if (err != NPP_SUCCESS) {
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av_log(ctx, AV_LOG_ERROR, "NPP transpose error: %d\n", err);
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return AVERROR_UNKNOWN;
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}
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}
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return 0;
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}
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static int (*const npptranspose_process[])(AVFilterContext *ctx, NPPTransposeStageContext *stage,
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AVFrame *out, AVFrame *in) = {
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[STAGE_ROTATE] = npptranspose_rotate,
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[STAGE_TRANSPOSE] = npptranspose_transpose
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};
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static int npptranspose_filter(AVFilterContext *ctx, AVFrame *out, AVFrame *in)
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{
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NPPTransposeContext *s = ctx->priv;
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AVFrame *src = in;
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int i, ret, last_stage = -1;
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for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
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if (!s->stages[i].stage_needed)
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continue;
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ret = npptranspose_process[i](ctx, &s->stages[i], s->stages[i].frame, src);
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if (ret < 0)
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return ret;
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src = s->stages[i].frame;
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last_stage = i;
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}
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if (last_stage < 0)
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return AVERROR_BUG;
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ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0);
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if (ret < 0)
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return ret;
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av_frame_move_ref(out, src);
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av_frame_move_ref(src, s->tmp_frame);
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ret = av_frame_copy_props(out, in);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int npptranspose_filter_frame(AVFilterLink *link, AVFrame *in)
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{
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AVFilterContext *ctx = link->dst;
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NPPTransposeContext *s = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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AVHWFramesContext *frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data;
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AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
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AVFrame *out = NULL;
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CUcontext dummy;
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int ret = 0;
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if (s->passthrough)
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return ff_filter_frame(outlink, in);
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out = av_frame_alloc();
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if (!out) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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ret = CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPushCurrent(device_hwctx->cuda_ctx));
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if (ret < 0)
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goto fail;
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ret = npptranspose_filter(ctx, out, in);
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CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPopCurrent(&dummy));
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if (ret < 0)
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goto fail;
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av_frame_free(&in);
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return ff_filter_frame(outlink, out);
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fail:
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av_frame_free(&in);
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av_frame_free(&out);
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return ret;
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}
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#define OFFSET(x) offsetof(NPPTransposeContext, x)
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#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
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static const AVOption options[] = {
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{ "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = NPP_TRANSPOSE_CCLOCK_FLIP }, 0, 3, FLAGS, .unit = "dir" },
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{ "cclock_flip", "rotate counter-clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CCLOCK_FLIP }, 0, 0, FLAGS, .unit = "dir" },
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{ "clock", "rotate clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CLOCK }, 0, 0, FLAGS, .unit = "dir" },
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{ "cclock", "rotate counter-clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CCLOCK }, 0, 0, FLAGS, .unit = "dir" },
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{ "clock_flip", "rotate clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_CLOCK_FLIP }, 0, 0, FLAGS, .unit = "dir" },
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{ "passthrough", "do not apply transposition if the input matches the specified geometry", OFFSET(passthrough), AV_OPT_TYPE_INT, { .i64 = NPP_TRANSPOSE_PT_TYPE_NONE }, 0, 2, FLAGS, .unit = "passthrough" },
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{ "none", "always apply transposition", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_NONE }, 0, 0, FLAGS, .unit = "passthrough" },
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{ "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_LANDSCAPE }, 0, 0, FLAGS, .unit = "passthrough" },
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{ "portrait", "preserve portrait geometry", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_TRANSPOSE_PT_TYPE_PORTRAIT }, 0, 0, FLAGS, .unit = "passthrough" },
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{ NULL },
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};
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static const AVClass npptranspose_class = {
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.class_name = "npptranspose",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static const AVFilterPad npptranspose_inputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = npptranspose_filter_frame,
|
|
},
|
|
};
|
|
|
|
static const AVFilterPad npptranspose_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = npptranspose_config_props,
|
|
},
|
|
};
|
|
|
|
const AVFilter ff_vf_transpose_npp = {
|
|
.name = "transpose_npp",
|
|
.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video transpose"),
|
|
.init = npptranspose_init,
|
|
.uninit = npptranspose_uninit,
|
|
.priv_size = sizeof(NPPTransposeContext),
|
|
.priv_class = &npptranspose_class,
|
|
FILTER_INPUTS(npptranspose_inputs),
|
|
FILTER_OUTPUTS(npptranspose_outputs),
|
|
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
|
|
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
|
|
};
|