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* [FFmpeg-devel] [PATCH] avcodec/tak*: use cached bitstream reader on !x86_32
@ 2022-09-13 12:38 Paul B Mahol
  0 siblings, 0 replies; only message in thread
From: Paul B Mahol @ 2022-09-13 12:38 UTC (permalink / raw)
  To: FFmpeg development discussions and patches

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Patch attached

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From fce08a8582169c44dc3a08a956897ccb36731822 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Tue, 13 Sep 2022 14:38:18 +0200
Subject: [PATCH] avcodec/tak*: use cached bitstream reader on !x86_32

Increases single thread decoding speed in one example from 85x to 90x

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavcodec/tak.c        | 1 +
 libavcodec/tak_parser.c | 1 +
 libavcodec/takdec.c     | 1 +
 3 files changed, 3 insertions(+)

diff --git a/libavcodec/tak.c b/libavcodec/tak.c
index 7221a80094..f26574c968 100644
--- a/libavcodec/tak.c
+++ b/libavcodec/tak.c
@@ -23,6 +23,7 @@
 #include "libavutil/crc.h"
 #include "libavutil/intreadwrite.h"
 
+#define CACHED_BITSTREAM_READER !ARCH_X86_32
 #define BITSTREAM_READER_LE
 #include "tak.h"
 
diff --git a/libavcodec/tak_parser.c b/libavcodec/tak_parser.c
index b9f47db8ac..7f5f5314af 100644
--- a/libavcodec/tak_parser.c
+++ b/libavcodec/tak_parser.c
@@ -24,6 +24,7 @@
  * TAK parser
  **/
 
+#define CACHED_BITSTREAM_READER !ARCH_X86_32
 #define BITSTREAM_READER_LE
 #include "parser.h"
 #include "tak.h"
diff --git a/libavcodec/takdec.c b/libavcodec/takdec.c
index 68ad1e9ed7..5cbc2de6bd 100644
--- a/libavcodec/takdec.c
+++ b/libavcodec/takdec.c
@@ -29,6 +29,7 @@
 #include "libavutil/mem_internal.h"
 #include "libavutil/samplefmt.h"
 
+#define CACHED_BITSTREAM_READER !ARCH_X86_32
 #define BITSTREAM_READER_LE
 #include "audiodsp.h"
 #include "thread.h"
-- 
2.37.2


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