mirror of
https://github.com/FFmpeg/FFmpeg.git
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244 lines
8.3 KiB
C
244 lines
8.3 KiB
C
/*
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* Copyright (c) 2011 Stefano Sabatini
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* filter for showing textual video frame information
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*/
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#include <inttypes.h>
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#include "libavutil/adler32.h"
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#include "libavutil/display.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/internal.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/spherical.h"
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#include "libavutil/stereo3d.h"
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#include "libavutil/timestamp.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "video.h"
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static void dump_spherical(AVFilterContext *ctx, AVFrame *frame, AVFrameSideData *sd)
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{
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AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
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double yaw, pitch, roll;
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av_log(ctx, AV_LOG_INFO, "spherical information: ");
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if (sd->size < sizeof(*spherical)) {
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av_log(ctx, AV_LOG_INFO, "invalid data");
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return;
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}
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if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR)
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av_log(ctx, AV_LOG_INFO, "equirectangular ");
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else if (spherical->projection == AV_SPHERICAL_CUBEMAP)
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av_log(ctx, AV_LOG_INFO, "cubemap ");
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else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE)
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av_log(ctx, AV_LOG_INFO, "tiled equirectangular ");
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else {
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av_log(ctx, AV_LOG_WARNING, "unknown");
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return;
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}
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yaw = ((double)spherical->yaw) / (1 << 16);
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pitch = ((double)spherical->pitch) / (1 << 16);
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roll = ((double)spherical->roll) / (1 << 16);
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av_log(ctx, AV_LOG_INFO, "(%f/%f/%f) ", yaw, pitch, roll);
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if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
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size_t l, t, r, b;
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av_spherical_tile_bounds(spherical, frame->width, frame->height,
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&l, &t, &r, &b);
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av_log(ctx, AV_LOG_INFO,
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"[%"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER"] ",
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l, t, r, b);
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} else if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
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av_log(ctx, AV_LOG_INFO, "[pad %"PRIu32"] ", spherical->padding);
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}
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}
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static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
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{
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AVStereo3D *stereo;
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av_log(ctx, AV_LOG_INFO, "stereoscopic information: ");
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if (sd->size < sizeof(*stereo)) {
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av_log(ctx, AV_LOG_INFO, "invalid data");
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return;
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}
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stereo = (AVStereo3D *)sd->data;
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av_log(ctx, AV_LOG_INFO, "type - %s", av_stereo3d_type_name(stereo->type));
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if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
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av_log(ctx, AV_LOG_INFO, " (inverted)");
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}
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static void update_sample_stats(const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
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{
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int i;
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for (i = 0; i < len; i++) {
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*sum += src[i];
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*sum2 += src[i] * src[i];
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}
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}
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static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
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{
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AVFilterContext *ctx = inlink->dst;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
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uint32_t plane_checksum[4] = {0}, checksum = 0;
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int64_t sum[4] = {0}, sum2[4] = {0};
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int32_t pixelcount[4] = {0};
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int i, plane, vsub = desc->log2_chroma_h;
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for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) {
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uint8_t *data = frame->data[plane];
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int h = plane == 1 || plane == 2 ? AV_CEIL_RSHIFT(inlink->h, vsub) : inlink->h;
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int linesize = av_image_get_linesize(frame->format, frame->width, plane);
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if (linesize < 0)
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return linesize;
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for (i = 0; i < h; i++) {
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plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
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checksum = av_adler32_update(checksum, data, linesize);
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update_sample_stats(data, linesize, sum+plane, sum2+plane);
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pixelcount[plane] += linesize;
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data += frame->linesize[plane];
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}
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}
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av_log(ctx, AV_LOG_INFO,
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"n:%4"PRId64" pts:%7s pts_time:%-7s pos:%9"PRId64" "
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"fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c "
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"checksum:%08"PRIX32" plane_checksum:[%08"PRIX32,
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inlink->frame_count_out,
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av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), frame->pkt_pos,
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desc->name,
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frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den,
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frame->width, frame->height,
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!frame->interlaced_frame ? 'P' : /* Progressive */
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frame->top_field_first ? 'T' : 'B', /* Top / Bottom */
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frame->key_frame,
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av_get_picture_type_char(frame->pict_type),
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checksum, plane_checksum[0]);
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for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
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av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
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av_log(ctx, AV_LOG_INFO, "] mean:[");
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for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
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av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
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av_log(ctx, AV_LOG_INFO, "\b] stdev:[");
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for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
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av_log(ctx, AV_LOG_INFO, "%3.1f ",
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sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
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av_log(ctx, AV_LOG_INFO, "\b]\n");
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for (i = 0; i < frame->nb_side_data; i++) {
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AVFrameSideData *sd = frame->side_data[i];
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av_log(ctx, AV_LOG_INFO, " side data - ");
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switch (sd->type) {
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case AV_FRAME_DATA_PANSCAN:
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av_log(ctx, AV_LOG_INFO, "pan/scan");
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break;
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case AV_FRAME_DATA_A53_CC:
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av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size);
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break;
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case AV_FRAME_DATA_SPHERICAL:
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dump_spherical(ctx, frame, sd);
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break;
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case AV_FRAME_DATA_STEREO3D:
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dump_stereo3d(ctx, sd);
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break;
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case AV_FRAME_DATA_DISPLAYMATRIX:
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av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
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av_display_rotation_get((int32_t *)sd->data));
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break;
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case AV_FRAME_DATA_AFD:
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av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]);
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break;
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default:
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av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)",
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sd->type, sd->size);
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break;
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}
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av_log(ctx, AV_LOG_INFO, "\n");
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}
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return ff_filter_frame(inlink->dst->outputs[0], frame);
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}
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static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out)
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{
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av_log(ctx, AV_LOG_INFO, "config %s time_base: %d/%d, frame_rate: %d/%d\n",
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is_out ? "out" : "in",
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link->time_base.num, link->time_base.den,
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link->frame_rate.num, link->frame_rate.den);
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return 0;
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}
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static int config_props_in(AVFilterLink *link)
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{
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AVFilterContext *ctx = link->dst;
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return config_props(ctx, link, 0);
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}
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static int config_props_out(AVFilterLink *link)
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{
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AVFilterContext *ctx = link->src;
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return config_props(ctx, link, 1);
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}
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static const AVFilterPad avfilter_vf_showinfo_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 = filter_frame,
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.config_props = config_props_in,
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},
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{ NULL }
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};
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static const AVFilterPad avfilter_vf_showinfo_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 = config_props_out,
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},
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{ NULL }
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};
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AVFilter ff_vf_showinfo = {
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.name = "showinfo",
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.description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
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.inputs = avfilter_vf_showinfo_inputs,
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.outputs = avfilter_vf_showinfo_outputs,
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};
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