On Fri, Apr 08, 2011 at 01:33:21AM +0200, Alexander E. Patrakov wrote:
---
Changelog |1 +
doc/general.texi |2 +-
libavcodec/Makefile|1 +
libavcodec/allcodecs.c |2 +-
libavcodec/dcaenc.c| 587
From: Alexander E. Patrakov patra...@gmail.com
---
Changelog |1 +
doc/general.texi |2 +-
libavcodec/Makefile|1 +
libavcodec/allcodecs.c |2 +-
libavcodec/dcaenc.c| 587
libavcodec/dcaenc.h| 544
On Fri, Apr 15, 2011 at 04:39:48PM +0200, Diego Biurrun wrote:
From: Alexander E. Patrakov patra...@gmail.com
Patch updated to apply against HEAD and prettified.
Benjamin, rebase any review comments on top of this one :)
Diego
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From: Alexander E. Patrakov patra...@gmail.com
---
Changelog |1 +
doc/general.texi |2 +-
libavcodec/Makefile|1 +
libavcodec/allcodecs.c |2 +-
libavcodec/dcaenc.c| 587
libavcodec/dcaenc.h| 544
Ping
MvH
Benjamin Larsson
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On 04/08/2011 03:58 AM, Ronald S. Bultje wrote:
Hi,
2011/4/7 Benjamin Larsson ba...@ludd.ltu.se:
+static inline int32_t mul32(int32_t a, int32_t b)
+{
+/* on =i686, gcc compiles this into a single imull instruction */
+int64_t r = (int64_t)a * b;
+/* round the result before
On Fri, Apr 08, 2011 at 01:41:37AM +0200, Benjamin Larsson wrote:
---
libavcodec/Makefile|1 +
libavcodec/allcodecs.c |2 +-
libavcodec/dcaenc.c| 581
libavcodec/dcaenc.h| 544
On Fri, Apr 08, 2011 at 01:41:37AM +0200, Benjamin Larsson wrote:
[...]
Please make sure this compiles with --disable-everything --enable-encoder=dca.
Diego
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Hi,
On Fri, Apr 8, 2011 at 5:02 AM, Benjamin Larsson ba...@ludd.ltu.se wrote:
On 04/08/2011 03:58 AM, Ronald S. Bultje wrote:
2011/4/7 Benjamin Larsson ba...@ludd.ltu.se:
+static void qmf_decompose(DCAContext *c, int32_t in[32], int32_t out[32],
int channel)
+{
+ int band, i, j, k;
+
On Fri, Apr 08, 2011 at 07:53:32AM -0400, Ronald S. Bultje wrote:
Hi,
[...]
Ah, that's what the fixme is for I guess. Sounds ok to me then.
(Didn't Mans just implement fixed-point FFT or something like that? Or
was that just MDCT?)
MDCT is often implemented via FFT.
P.S. And if somebody
Ronald S. Bultje rsbul...@gmail.com writes:
Hi,
2011/4/7 Benjamin Larsson ba...@ludd.ltu.se:
+static inline int32_t mul32(int32_t a, int32_t b)
+{
+/* on =i686, gcc compiles this into a single imull instruction */
+int64_t r = (int64_t)a * b;
+/* round the result before
Fixed some things but not others.
MvH
Benjamin Larsson
From 20a2180193d0fcfaaf71fb1d9f3bb4cd90a1ce0f Mon Sep 17 00:00:00 2001
From: Alexander E. Patrakov patra...@gmail.com
Date: Fri, 8 Apr 2011 01:33:21 +0200
Subject: [PATCH] Experimental DCA encoder
---
Changelog |1 +
MvH
Benjamin Larsson
From 72e6371e0c98e344275173452cec98940a33ef39 Mon Sep 17 00:00:00 2001
From: Alexander E. Patrakov patra...@gmail.com
Date: Fri, 8 Apr 2011 01:33:21 +0200
Subject: [PATCH] Experimental DCA encoder
---
libavcodec/Makefile|1 +
libavcodec/allcodecs.c |2 +-
Hi,
2011/4/7 Benjamin Larsson ba...@ludd.ltu.se:
+static inline int32_t mul32(int32_t a, int32_t b)
+{
+/* on =i686, gcc compiles this into a single imull instruction */
+int64_t r = (int64_t)a * b;
+/* round the result before truncating - improves accuracy */
+return (r +
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