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480 lines
16 KiB
480 lines
16 KiB
/* |
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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 "filters.h" |
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#include "formats.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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FilterLink *inl = ff_filter_link(ctx->inputs[0]); |
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FilterLink *outl = ff_filter_link(ctx->outputs[0]); |
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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 (!inl->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*)inl->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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outl->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx); |
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} else { |
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outl->hw_frames_ctx = av_buffer_ref(inl->hw_frames_ctx); |
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s->passthrough = 1; |
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} |
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if (!outl->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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FilterLink *outl = ff_filter_link(outlink); |
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AVFilterContext *ctx = outlink->src; |
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AVFilterLink *inlink = ctx->inputs[0]; |
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FilterLink *inl = ff_filter_link(inlink); |
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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 (inl->hw_frames_ctx) { |
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outl->hw_frames_ctx = av_buffer_ref(inl->hw_frames_ctx); |
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if (!outl->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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FilterLink *outl = ff_filter_link(outlink); |
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AVHWFramesContext *frames_ctx = (AVHWFramesContext*)outl->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, |
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.filter_frame = npptranspose_filter_frame, |
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}, |
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}; |
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static const AVFilterPad npptranspose_outputs[] = { |
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{ |
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.name = "default", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.config_props = npptranspose_config_props, |
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}, |
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}; |
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const AVFilter ff_vf_transpose_npp = { |
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.name = "transpose_npp", |
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.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video transpose"), |
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.init = npptranspose_init, |
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.uninit = npptranspose_uninit, |
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.priv_size = sizeof(NPPTransposeContext), |
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.priv_class = &npptranspose_class, |
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FILTER_INPUTS(npptranspose_inputs), |
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FILTER_OUTPUTS(npptranspose_outputs), |
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FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA), |
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.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
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};
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