mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-25 10:51:49 +02:00
213 lines
7.6 KiB
C
213 lines
7.6 KiB
C
/*
|
|
* Copyright (c) 2011 Stefano Sabatini
|
|
* 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
|
|
* filter for showing textual video frame information
|
|
*/
|
|
|
|
#include <inttypes.h>
|
|
|
|
#include "libavutil/adler32.h"
|
|
#include "libavutil/display.h"
|
|
#include "libavutil/imgutils.h"
|
|
#include "libavutil/internal.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "libavutil/stereo3d.h"
|
|
#include "libavutil/timestamp.h"
|
|
|
|
#include "avfilter.h"
|
|
#include "internal.h"
|
|
#include "video.h"
|
|
|
|
static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
|
|
{
|
|
AVStereo3D *stereo;
|
|
|
|
av_log(ctx, AV_LOG_INFO, "stereoscopic information: ");
|
|
if (sd->size < sizeof(*stereo)) {
|
|
av_log(ctx, AV_LOG_INFO, "invalid data");
|
|
return;
|
|
}
|
|
|
|
stereo = (AVStereo3D *)sd->data;
|
|
|
|
av_log(ctx, AV_LOG_INFO, "type - ");
|
|
switch (stereo->type) {
|
|
case AV_STEREO3D_2D: av_log(ctx, AV_LOG_INFO, "2D"); break;
|
|
case AV_STEREO3D_SIDEBYSIDE: av_log(ctx, AV_LOG_INFO, "side by side"); break;
|
|
case AV_STEREO3D_TOPBOTTOM: av_log(ctx, AV_LOG_INFO, "top and bottom"); break;
|
|
case AV_STEREO3D_FRAMESEQUENCE: av_log(ctx, AV_LOG_INFO, "frame alternate"); break;
|
|
case AV_STEREO3D_CHECKERBOARD: av_log(ctx, AV_LOG_INFO, "checkerboard"); break;
|
|
case AV_STEREO3D_LINES: av_log(ctx, AV_LOG_INFO, "interleaved lines"); break;
|
|
case AV_STEREO3D_COLUMNS: av_log(ctx, AV_LOG_INFO, "interleaved columns"); break;
|
|
case AV_STEREO3D_SIDEBYSIDE_QUINCUNX: av_log(ctx, AV_LOG_INFO, "side by side "
|
|
"(quincunx subsampling)"); break;
|
|
default: av_log(ctx, AV_LOG_WARNING, "unknown"); break;
|
|
}
|
|
|
|
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
|
|
av_log(ctx, AV_LOG_INFO, " (inverted)");
|
|
}
|
|
|
|
static void update_sample_stats(const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
*sum += src[i];
|
|
*sum2 += src[i] * src[i];
|
|
}
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
|
uint32_t plane_checksum[4] = {0}, checksum = 0;
|
|
int64_t sum[4] = {0}, sum2[4] = {0};
|
|
int32_t pixelcount[4] = {0};
|
|
int i, plane, vsub = desc->log2_chroma_h;
|
|
|
|
for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) {
|
|
uint8_t *data = frame->data[plane];
|
|
int h = plane == 1 || plane == 2 ? AV_CEIL_RSHIFT(inlink->h, vsub) : inlink->h;
|
|
int linesize = av_image_get_linesize(frame->format, frame->width, plane);
|
|
|
|
if (linesize < 0)
|
|
return linesize;
|
|
|
|
for (i = 0; i < h; i++) {
|
|
plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
|
|
checksum = av_adler32_update(checksum, data, linesize);
|
|
|
|
update_sample_stats(data, linesize, sum+plane, sum2+plane);
|
|
pixelcount[plane] += linesize;
|
|
data += frame->linesize[plane];
|
|
}
|
|
}
|
|
|
|
av_log(ctx, AV_LOG_INFO,
|
|
"n:%4"PRId64" pts:%7s pts_time:%-7s pos:%9"PRId64" "
|
|
"fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c "
|
|
"checksum:%08"PRIX32" plane_checksum:[%08"PRIX32,
|
|
inlink->frame_count_out,
|
|
av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), frame->pkt_pos,
|
|
desc->name,
|
|
frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den,
|
|
frame->width, frame->height,
|
|
!frame->interlaced_frame ? 'P' : /* Progressive */
|
|
frame->top_field_first ? 'T' : 'B', /* Top / Bottom */
|
|
frame->key_frame,
|
|
av_get_picture_type_char(frame->pict_type),
|
|
checksum, plane_checksum[0]);
|
|
|
|
for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
|
|
av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
|
|
av_log(ctx, AV_LOG_INFO, "] mean:[");
|
|
for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
|
|
av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
|
|
av_log(ctx, AV_LOG_INFO, "\b] stdev:[");
|
|
for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
|
|
av_log(ctx, AV_LOG_INFO, "%3.1f ",
|
|
sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
|
|
av_log(ctx, AV_LOG_INFO, "\b]\n");
|
|
|
|
for (i = 0; i < frame->nb_side_data; i++) {
|
|
AVFrameSideData *sd = frame->side_data[i];
|
|
|
|
av_log(ctx, AV_LOG_INFO, " side data - ");
|
|
switch (sd->type) {
|
|
case AV_FRAME_DATA_PANSCAN:
|
|
av_log(ctx, AV_LOG_INFO, "pan/scan");
|
|
break;
|
|
case AV_FRAME_DATA_A53_CC:
|
|
av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size);
|
|
break;
|
|
case AV_FRAME_DATA_STEREO3D:
|
|
dump_stereo3d(ctx, sd);
|
|
break;
|
|
case AV_FRAME_DATA_DISPLAYMATRIX:
|
|
av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
|
|
av_display_rotation_get((int32_t *)sd->data));
|
|
break;
|
|
case AV_FRAME_DATA_AFD:
|
|
av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]);
|
|
break;
|
|
default:
|
|
av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)",
|
|
sd->type, sd->size);
|
|
break;
|
|
}
|
|
|
|
av_log(ctx, AV_LOG_INFO, "\n");
|
|
}
|
|
|
|
return ff_filter_frame(inlink->dst->outputs[0], frame);
|
|
}
|
|
|
|
static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out)
|
|
{
|
|
|
|
av_log(ctx, AV_LOG_INFO, "config %s time_base: %d/%d, frame_rate: %d/%d\n",
|
|
is_out ? "out" : "in",
|
|
link->time_base.num, link->time_base.den,
|
|
link->frame_rate.num, link->frame_rate.den);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_props_in(AVFilterLink *link)
|
|
{
|
|
AVFilterContext *ctx = link->dst;
|
|
return config_props(ctx, link, 0);
|
|
}
|
|
|
|
static int config_props_out(AVFilterLink *link)
|
|
{
|
|
AVFilterContext *ctx = link->src;
|
|
return config_props(ctx, link, 1);
|
|
}
|
|
|
|
static const AVFilterPad avfilter_vf_showinfo_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
.config_props = config_props_in,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVFilterPad avfilter_vf_showinfo_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_props_out,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
AVFilter ff_vf_showinfo = {
|
|
.name = "showinfo",
|
|
.description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
|
|
.inputs = avfilter_vf_showinfo_inputs,
|
|
.outputs = avfilter_vf_showinfo_outputs,
|
|
};
|