Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-12 Thread Michael Niedermayer
On Fri, Dec 11, 2015 at 12:09:57PM -0500, Ganesh Ajjanagadde wrote: > On Fri, Dec 11, 2015 at 11:36 AM, Andreas Cadhalpun > wrote: > > On 11.12.2015 17:21, Ganesh Ajjanagadde wrote: > >> On Fri, Dec 11, 2015 at 11:16 AM, Andreas Cadhalpun > >>

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-12 Thread Ganesh Ajjanagadde
On Sat, Dec 12, 2015 at 12:58 PM, Michael Niedermayer wrote: > On Fri, Dec 11, 2015 at 12:09:57PM -0500, Ganesh Ajjanagadde wrote: >> On Fri, Dec 11, 2015 at 11:36 AM, Andreas Cadhalpun >> wrote: >> > On 11.12.2015 17:21, Ganesh Ajjanagadde

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-12 Thread Michael Niedermayer
On Sat, Dec 12, 2015 at 01:08:01PM -0500, Ganesh Ajjanagadde wrote: > On Sat, Dec 12, 2015 at 12:58 PM, Michael Niedermayer > wrote: > > On Fri, Dec 11, 2015 at 12:09:57PM -0500, Ganesh Ajjanagadde wrote: > >> On Fri, Dec 11, 2015 at 11:36 AM, Andreas Cadhalpun > >>

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-12 Thread Ganesh Ajjanagadde
On Sat, Dec 12, 2015 at 1:17 PM, Michael Niedermayer wrote: [...] >> >> > >> >> > The exp2f expressions are: >> >> > exp2f(sbr->data[0].env_facs_q[e][k] * alpha + 7.0f); >> >> > exp2f((pan_offset - sbr->data[1].env_facs_q[e][k]) * alpha); >> >> > exp2f(NOISE_FLOOR_OFFSET -

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-12 Thread Michael Niedermayer
On Sat, Dec 12, 2015 at 05:24:34PM -0500, Ganesh Ajjanagadde wrote: > On Sat, Dec 12, 2015 at 1:17 PM, Michael Niedermayer wrote: > [...] > > >> >> > > >> >> > The exp2f expressions are: > >> >> > exp2f(sbr->data[0].env_facs_q[e][k] * alpha + 7.0f); > >> >> > exp2f((pan_offset

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-11 Thread Andreas Cadhalpun
On 11.12.2015 17:21, Ganesh Ajjanagadde wrote: > On Fri, Dec 11, 2015 at 11:16 AM, Andreas Cadhalpun > wrote: >> On 19.11.2015 14:17, Michael Niedermayer wrote: >>> From: Michael Niedermayer >>> >>> Signed-off-by: Michael Niedermayer

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-11 Thread Ganesh Ajjanagadde
On Fri, Dec 11, 2015 at 11:36 AM, Andreas Cadhalpun wrote: > On 11.12.2015 17:21, Ganesh Ajjanagadde wrote: >> On Fri, Dec 11, 2015 at 11:16 AM, Andreas Cadhalpun >> wrote: >>> On 19.11.2015 14:17, Michael Niedermayer wrote:

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-11 Thread Andreas Cadhalpun
On 19.11.2015 14:17, Michael Niedermayer wrote: > From: Michael Niedermayer > > Signed-off-by: Michael Niedermayer > --- > libavcodec/aacsbr.c |1 + > 1 file changed, 1 insertion(+) > > diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-12-11 Thread Andreas Cadhalpun
On 11.12.2015 18:09, Ganesh Ajjanagadde wrote: > On Fri, Dec 11, 2015 at 11:36 AM, Andreas Cadhalpun > wrote: >> On 11.12.2015 17:21, Ganesh Ajjanagadde wrote: >>> On Fri, Dec 11, 2015 at 11:16 AM, Andreas Cadhalpun >>> wrote:

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-11-19 Thread Ganesh Ajjanagadde
On Thu, Nov 19, 2015 at 8:17 AM, Michael Niedermayer wrote: > From: Michael Niedermayer > > Signed-off-by: Michael Niedermayer > --- > libavcodec/aacsbr.c |1 + > 1 file changed, 1 insertion(+) > > diff --git

[FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-11-19 Thread Michael Niedermayer
From: Michael Niedermayer Signed-off-by: Michael Niedermayer --- libavcodec/aacsbr.c |1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c index d1e3a91..e014646 100644 --- a/libavcodec/aacsbr.c +++

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-11-19 Thread Ganesh Ajjanagadde
On Thu, Nov 19, 2015 at 9:18 AM, Michael Niedermayer wrote: > On Thu, Nov 19, 2015 at 09:03:03AM -0500, Ganesh Ajjanagadde wrote: >> On Thu, Nov 19, 2015 at 8:17 AM, Michael Niedermayer >> wrote: >> > From: Michael Niedermayer >> > >>

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/aacsbr: Add comment about possibly optimization in sbr_dequant()

2015-11-19 Thread Michael Niedermayer
On Thu, Nov 19, 2015 at 09:03:03AM -0500, Ganesh Ajjanagadde wrote: > On Thu, Nov 19, 2015 at 8:17 AM, Michael Niedermayer wrote: > > From: Michael Niedermayer > > > > Signed-off-by: Michael Niedermayer > > --- > >