diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-30 16:39:35 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-30 16:39:35 +0100 |
| commit | dbaae33c2c71862b8eaea978ed6dccc5ec03db89 (patch) | |
| tree | 79461ae49941bb2966cec9b6621d779c9a64c1f5 | |
| parent | c2992b705381e082e33633e62e151887da67b285 (diff) | |
| download | ffmpeg-streaming-dbaae33c2c71862b8eaea978ed6dccc5ec03db89.zip ffmpeg-streaming-dbaae33c2c71862b8eaea978ed6dccc5ec03db89.tar.gz | |
msrledec: move loop into switch
speeds up code and allows more simplifications
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/msrledec.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/libavcodec/msrledec.c b/libavcodec/msrledec.c index 6596cec..cc69af8 100644 --- a/libavcodec/msrledec.c +++ b/libavcodec/msrledec.c @@ -218,21 +218,30 @@ static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic, case 32: pix32 = bytestream2_get_le32(gb); break; } - for(i = 0; i < p1; i++) { - switch(depth){ - case 8: *output++ = pix[0]; - break; - case 16: *(uint16_t*)output = pix16; - output += 2; - break; - case 24: *output++ = pix[0]; - *output++ = pix[1]; - *output++ = pix[2]; - break; - case 32: *(uint32_t*)output = pix32; - output += 4; - break; + switch(depth){ + case 8: + for(i = 0; i < p1; i++) + *output++ = pix[0]; + break; + case 16: + for(i = 0; i < p1; i++) { + *(uint16_t*)output = pix16; + output += 2; + } + break; + case 24: + for(i = 0; i < p1; i++) { + *output++ = pix[0]; + *output++ = pix[1]; + *output++ = pix[2]; + } + break; + case 32: + for(i = 0; i < p1; i++) { + *(uint32_t*)output = pix32; + output += 4; } + break; } pos += p1; } |
