On Thu, Aug 11, 2016 at 10:44:12AM -0700, Lucas Cooper wrote:
> This allows retroactive calculation/aggregation of PSNR from the stats
> log.
> ---
> libavfilter/vf_psnr.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/libavfilter/vf_psnr.c b/libavfilter/vf_psnr.c
> index 3bec747..de5cc8f 100644
> --- a/libavfilter/vf_psnr.c
> +++ b/libavfilter/vf_psnr.c
> @@ -45,6 +45,7 @@ typedef struct PSNRContext {
> char *stats_file_str;
> int stats_version;
> int stats_header_written;
> + int stats_add_max;
> int max[4], average_max;
> int is_rgb;
> uint8_t rgba_map[4];
> @@ -63,6 +64,7 @@ static const AVOption psnr_options[] = {
> {"stats_file", "Set file where to store per-frame difference
> information", OFFSET(stats_file_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0,
> FLAGS },
> {"f", "Set file where to store per-frame difference
> information", OFFSET(stats_file_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0,
> FLAGS },
> {"stats_version", "Set the format version for the stats file.",
> OFFSET(stats_version), AV_OPT_TYPE_INT, {.i64=1}, 1, 2, FLAGS },
> + {"output_max", "Add raw stats (max values) to the output log.",
> OFFSET(stats_add_max), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
> { NULL }
> };
>
> @@ -182,6 +184,12 @@ static AVFrame *do_psnr(AVFilterContext *ctx, AVFrame
> *main,
> for (j = 0; j < s->nb_components; j++) {
> fprintf(s->stats_file, ",psnr_%c", s->comps[j]);
> }
> + if (s->stats_add_max) {
> + fprintf(s->stats_file, ",max_avg");
> + for (j = 0; j < s->nb_components; j++) {
> + fprintf(s->stats_file, ",max_%c", s->comps[j]);
> + }
> + }
> fprintf(s->stats_file, "\n");
> s->stats_header_written = 1;
newly added code should follow the same style as existing code
and indention depth is 4 throughout ffmpeg
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Good people do not need laws to tell them to act responsibly, while bad
people will find a way around the laws. -- Plato
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