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Code Issues Releases Activity

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

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improve speed on little endian

benchmark on x86_64 :
mainly raw : 33fps -> 38fps
mainly rle : 128fps -> 153 fps
This commit is contained in:
Martin Vignali 2019-02-26 10:37:32 +01:00
parent 9cb576fc1e
commit 5496a73488
2 changed files with 4 additions and 4 deletions
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6
libavcodec/qtrle.c
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@ -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:

2
libavcodec/version.h
View File

@ -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, \