Re: [FFmpeg-devel] apsnr's PSNR formula is different from Wikipedia's formula

2024-10-07 Thread Shawn Singh via ffmpeg-devel
On Tue, Oct 1, 2024 at 3:41 PM Jing Lu wrote: > Hi ffmpeg-devel@, > > I recently came across the apnsr filter > , > and the formula for PSNR it uses: > > 2.0 * log(s->max) - log(s->nb_samples / s->chs[ch].uv) > > > which is

[FFmpeg-devel] Clarification about bits_per_coded_sample vs bits_per_raw_sample

2017-05-02 Thread Shawn Singh
pattern we don't see, perhaps only the comments need to be updated? Best Regards, Shawn Singh ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] libavformat/mov.c: Add parsing for DDTS atom for DTS audio

2015-10-02 Thread Shawn Singh
FYI I haven't forgotten about this. Just traveling these next few days. Thanks. On Wed, Sep 30, 2015 at 8:22 AM, Yusuke Nakamura < muken.the.vfrman...@gmail.com> wrote: > 2015-09-30 12:05 GMT+09:00 Michael Niedermayer : > > > On Tue, Sep 29, 2015 at 02:44:38PM -

Re: [FFmpeg-devel] [PATCH] libavformat/mov.c: Add parsing for DDTS atom for DTS audio

2015-09-30 Thread Shawn Singh
On Wed, Sep 30, 2015 at 5:53 AM, Michael Niedermayer wrote: > On Wed, Sep 30, 2015 at 02:17:02PM +0900, Yusuke Nakamura wrote: > > 2015-09-30 6:44 GMT+09:00 Shawn Singh : > > > > > The DDTS atom is defined in ETSI TS 102 114, v1.4.1, Annex E. > > > This is u

[FFmpeg-devel] [PATCH] libavformat/mov.c: Add parsing for DDTS atom for DTS audio

2015-09-29 Thread Shawn Singh
The DDTS atom is defined in ETSI TS 102 114, v1.4.1, Annex E. This is useful for DTS-HD formats, some of which cannot be decoded by dcadec.c or libdcadec. Signed-off-by: Shawn Singh --- libavformat/mov.c | 56 +++ 1 file changed, 56 insertions