From: Paul B Mahol <onemda@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] avcodec/tak*: use cached bitstream reader on !x86_32
Date: Tue, 13 Sep 2022 14:38:16 +0200
Message-ID: <CAPYw7P5Ag+4-R--ib7Fbz_nvpwCn8SZa7drk3dSZer7pfDDVzA@mail.gmail.com> (raw)
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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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