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Diffstat (limited to 'libavfilter/vf_showinfo.c')
-rw-r--r--libavfilter/vf_showinfo.c65
1 files changed, 41 insertions, 24 deletions
diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
index 204ff7a857..14b8aa4aff 100644
--- a/libavfilter/vf_showinfo.c
+++ b/libavfilter/vf_showinfo.c
@@ -1,19 +1,19 @@
/*
* Copyright (c) 2011 Stefano Sabatini
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -30,15 +30,12 @@
#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"
-typedef struct ShowInfoContext {
- unsigned int frame;
-} ShowInfoContext;
-
static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
{
AVStereo3D *stereo;
@@ -69,34 +66,49 @@ static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
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;
- ShowInfoContext *showinfo = ctx->priv;
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; frame->data[plane] && plane < 4; plane++) {
+ for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) {
uint8_t *data = frame->data[plane];
- int h = plane == 1 || plane == 2 ? inlink->h >> vsub : inlink->h;
+ 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:%d pts:%"PRId64" pts_time:%f "
+ "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:%"PRIu32" plane_checksum:[%"PRIu32" %"PRIu32" %"PRIu32" %"PRIu32"]\n",
- showinfo->frame,
- frame->pts, frame->pts * av_q2d(inlink->time_base),
+ "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,
@@ -104,7 +116,18 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
frame->top_field_first ? 'T' : 'B', /* Top / Bottom */
frame->key_frame,
av_get_picture_type_char(frame->pict_type),
- checksum, plane_checksum[0], plane_checksum[1], plane_checksum[2], plane_checksum[3]);
+ 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];
@@ -136,7 +159,6 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
av_log(ctx, AV_LOG_INFO, "\n");
}
- showinfo->frame++;
return ff_filter_frame(inlink->dst->outputs[0], frame);
}
@@ -167,7 +189,6 @@ static const AVFilterPad avfilter_vf_showinfo_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
- .get_video_buffer = ff_null_get_video_buffer,
.filter_frame = filter_frame,
.config_props = config_props_in,
},
@@ -186,10 +207,6 @@ static const AVFilterPad avfilter_vf_showinfo_outputs[] = {
AVFilter ff_vf_showinfo = {
.name = "showinfo",
.description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
-
- .priv_size = sizeof(ShowInfoContext),
-
- .inputs = avfilter_vf_showinfo_inputs,
-
- .outputs = avfilter_vf_showinfo_outputs,
+ .inputs = avfilter_vf_showinfo_inputs,
+ .outputs = avfilter_vf_showinfo_outputs,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-21 06:31:57 +0000