virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

avfilter/vf_psnr: Add support for writing stats to stdout

Browse Source 
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Tobias Rapp
2015-10-20 15:02:21 +02:00
committed by Michael Niedermayer
parent 451b6a990a
commit 1ec8c1554e
2 changed files with 6 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
doc/filters.texi
View File

@@ -8939,7 +8939,8 @@ The description of the accepted parameters follows.
@table @option @table @option
@item stats_file, f @item stats_file, f
If specified the filter will use the named file to save the PSNR of If specified the filter will use the named file to save the PSNR of
each individual frame. each individual frame. When filename equals "-" the data is sent to
standard output.
@end table @end table
The file printed if @var{stats_file} is selected, contains a sequence of The file printed if @var{stats_file} is selected, contains a sequence of

6
libavfilter/vf_psnr.c
View File

@@ -193,7 +193,9 @@ static av_cold int init(AVFilterContext *ctx)
s->min_mse = +INFINITY; s->min_mse = +INFINITY;
s->max_mse = -INFINITY; s->max_mse = -INFINITY;
if (s->stats_file_str) { if (!strcmp(s->stats_file_str, "-")) {
s->stats_file = stdout;
} else if (s->stats_file_str) {
s->stats_file = fopen(s->stats_file_str, "w"); s->stats_file = fopen(s->stats_file_str, "w");
if (!s->stats_file) { if (!s->stats_file) {
int err = AVERROR(errno); int err = AVERROR(errno);
@@ -334,7 +336,7 @@ static av_cold void uninit(AVFilterContext *ctx)
ff_dualinput_uninit(&s->dinput); ff_dualinput_uninit(&s->dinput);
if (s->stats_file) if (s->stats_file && s->stats_file != stdout)
fclose(s->stats_file); fclose(s->stats_file);
} }