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ffmpeg_opt.c: Introduce a -vstats_version option and document the existing -vstats format. 

Signed-off-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Sasi Inguva 2017-01-24 08:23:54 -08:00 committed by Michael Niedermayer
parent b4a13d442a
commit f227fc4c2a
3 changed files with 8 additions and 0 deletions
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4
doc/ffmpeg.texi
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@ -636,6 +636,10 @@ Calculate PSNR of compressed frames.
Dump video coding statistics to @file{vstats_HHMMSS.log}.
@item -vstats_file @var{file}
Dump video coding statistics to @var{file}.
@item -vstats_version @var{file}
Specifies which version of the vstats format to use. If version is 1, format is
@code{frame= %5d q= %2.1f PSNR= %6.2f f_size= %6d s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s}
@item -top[:@var{stream_specifier}] @var{n} (@emph{output,per-stream})
top=1/bottom=0/auto=-1 field first
@item -dc @var{precision}

1
ffmpeg.h
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@ -597,6 +597,7 @@ extern char *videotoolbox_pixfmt;
extern int filter_nbthreads;
extern int filter_complex_nbthreads;
extern int vstats_version;
extern const AVIOInterruptCB int_cb;

3
ffmpeg_opt.c
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@ -121,6 +121,7 @@ int frame_bits_per_raw_sample = 0;
float max_error_rate = 2.0/3;
int filter_nbthreads = 0;
int filter_complex_nbthreads = 0;
int vstats_version = 1;
static int intra_only = 0;
@ -3547,6 +3548,8 @@ const OptionDef options[] = {
"dump video coding statistics to file" },
{ "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
"dump video coding statistics to file", "file" },
{ "vstats_version", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &vstats_version },
"Version of the vstats format to use."},
{ "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
"set video filters", "filter_graph" },
{ "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |