diff options
| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-04-17 17:20:48 +0000 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-04-17 17:20:48 +0000 |
| commit | 44c9efcb571ee4f1ea44f658a923cd8a5923f27f (patch) | |
| tree | 0ef41b9b38c6a1239fea89eec06a13690f59f079 /libavcodec/xan.c | |
| parent | 110baa2e9981d392d02dd535953f5a6983a8ae6b (diff) | |
| download | ffmpeg-streaming-44c9efcb571ee4f1ea44f658a923cd8a5923f27f.zip ffmpeg-streaming-44c9efcb571ee4f1ea44f658a923cd8a5923f27f.tar.gz | |
Use memcpy instead of the very inefficient bytecopy where both are correct
(i.e. no overlap of src and dst is possible).
Originally committed as revision 18569 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/xan.c')
| -rw-r--r-- | libavcodec/xan.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/libavcodec/xan.c b/libavcodec/xan.c index 65c6528..36e944f 100644 --- a/libavcodec/xan.c +++ b/libavcodec/xan.c @@ -148,7 +148,7 @@ static void xan_unpack(unsigned char *dest, const unsigned char *src, int dest_l size = opcode & 3; if (dest + size > dest_end) return; - bytecopy(dest, src, size); dest += size; src += size; + memcpy(dest, src, size); dest += size; src += size; size = ((opcode & 0x1c) >> 2) + 3; if (dest + size > dest_end) @@ -164,7 +164,7 @@ static void xan_unpack(unsigned char *dest, const unsigned char *src, int dest_l size = byte1 >> 6; if (dest + size > dest_end) return; - bytecopy (dest, src, size); dest += size; src += size; + memcpy(dest, src, size); dest += size; src += size; size = (opcode & 0x3f) + 4; if (dest + size > dest_end) @@ -181,7 +181,7 @@ static void xan_unpack(unsigned char *dest, const unsigned char *src, int dest_l size = opcode & 3; if (dest + size > dest_end) return; - bytecopy (dest, src, size); dest += size; src += size; + memcpy(dest, src, size); dest += size; src += size; size = byte3 + 5 + ((opcode & 0xc) << 6); if (dest + size > dest_end) @@ -198,12 +198,12 @@ static void xan_unpack(unsigned char *dest, const unsigned char *src, int dest_l if (dest + size > dest_end) return; - bytecopy (dest, src, size); dest += size; src += size; + memcpy(dest, src, size); dest += size; src += size; } } size = opcode & 3; - bytecopy(dest, src, size); dest += size; src += size; + memcpy(dest, src, size); dest += size; src += size; } static inline void xan_wc3_output_pixel_run(XanContext *s, |
