[FFmpeg-cvslog] avcodec/qtrle : avoid swap in 32bpp decoding on little endian

Martin Vignali git at videolan.org
Mon Mar 4 14:04:43 EET 2019


ffmpeg | branch: master | Martin Vignali <martin.vignali at gmail.com> | Tue Feb 26 10:37:32 2019 +0100| [5496a734882cad54fda2c3528f16488dcac3b0a1] | committer: Martin Vignali

avcodec/qtrle : avoid swap in 32bpp decoding on little endian

improve speed on little endian

benchmark on x86_64 :
mainly raw : 33fps -> 38fps
mainly rle : 128fps -> 153 fps

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5496a734882cad54fda2c3528f16488dcac3b0a1
---

 libavcodec/qtrle.c   | 6 +++---
 libavcodec/version.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/qtrle.c b/libavcodec/qtrle.c
index 6155b4f3e3..bb55ba8a86 100644
--- a/libavcodec/qtrle.c
+++ b/libavcodec/qtrle.c
@@ -367,7 +367,7 @@ static void qtrle_decode_32bpp(QtrleContext *s, int row_ptr, int lines_to_change
             } else if (rle_code < 0) {
                 /* decode the run length code */
                 rle_code = -rle_code;
-                argb = bytestream2_get_be32(&s->g);
+                argb = bytestream2_get_ne32(&s->g);
 
                 CHECK_PIXEL_PTR(rle_code * 4);
 
@@ -380,7 +380,7 @@ static void qtrle_decode_32bpp(QtrleContext *s, int row_ptr, int lines_to_change
 
                 /* copy pixels directly to output */
                 while (rle_code--) {
-                    argb = bytestream2_get_be32(&s->g);
+                    argb = bytestream2_get_ne32(&s->g);
                     AV_WN32A(rgb + pixel_ptr, argb);
                     pixel_ptr  += 4;
                 }
@@ -416,7 +416,7 @@ static av_cold int qtrle_decode_init(AVCodecContext *avctx)
         break;
 
     case 32:
-        avctx->pix_fmt = AV_PIX_FMT_RGB32;
+        avctx->pix_fmt = AV_PIX_FMT_ARGB;
         break;
 
     default:
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 7c3897e2d4..309e4111cb 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  58
 #define LIBAVCODEC_VERSION_MINOR  47
-#define LIBAVCODEC_VERSION_MICRO 102
+#define LIBAVCODEC_VERSION_MICRO 103
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \



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