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author | Michael Niedermayer <michaelni@gmx.at> | 2011-12-18 02:23:57 +0100 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-12-18 03:04:44 +0100 |
commit | 1bdc212a39312bd5914d643a4e664b4599477d8c (patch) | |
tree | 19fcd489c7ec86908e240f1d6f6752d587dc97e7 /libswscale/swscale_unscaled.c | |
parent | 1a2484fc4e5c5effc32c55c2f25670ec23cbf57b (diff) | |
parent | 0ea5b44275aa334528eb384a6548cc9f98c50a17 (diff) | |
download | ffmpeg-streaming-1bdc212a39312bd5914d643a4e664b4599477d8c.zip ffmpeg-streaming-1bdc212a39312bd5914d643a4e664b4599477d8c.tar.gz |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
build: link test programs with static libraries
dct-test: remove unused variable cropTbl
swscale: fix overflow in gray16 vertical scaling.
get_bits: remove LAST_SKIP_CACHE macro
swscale: fix integer overflows in RGB pixel writing.
swscale: add endian conversion for RGB555 and RGB444 pixel formats
swscale: fix overflows in output of RGB48 pixels.
get_bits: remove strange/obsolete comments
get_bits: whitespace (mostly) cosmetics
swscale: add rgb565 endianess conversion
get_bits: remove unnecessary #includes
mp3dec: hack: fix decoding with safe bitstream reader
fate: fix eatqi test
adpcm: Check for channels to be a non-zero integer
swscale: fix overflows in RGB rounding constants.
get_bits: introduce safe bitreading to prevent overreads.
Conflicts:
libswscale/swscale.c
libswscale/swscale_unscaled.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale/swscale_unscaled.c')
-rw-r--r-- | libswscale/swscale_unscaled.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c index 1065d79..fcb926b 100644 --- a/libswscale/swscale_unscaled.c +++ b/libswscale/swscale_unscaled.c @@ -667,6 +667,12 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ return srcSliceH; } + +#define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \ + ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \ + (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE)) + + void ff_get_unscaled_swscale(SwsContext *c) { const enum PixelFormat srcFormat = c->srcFormat; @@ -697,15 +703,6 @@ void ff_get_unscaled_swscale(SwsContext *c) if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND)) c->swScale= bgr24ToYv12Wrapper; - /* bswap 16 bits per component packed formats */ - if ((srcFormat == PIX_FMT_RGB48LE && dstFormat == PIX_FMT_RGB48BE) || - (srcFormat == PIX_FMT_RGB48BE && dstFormat == PIX_FMT_RGB48LE) || - (srcFormat == PIX_FMT_BGR48LE && dstFormat == PIX_FMT_BGR48BE) || - (srcFormat == PIX_FMT_BGR48BE && dstFormat == PIX_FMT_BGR48LE) || - (srcFormat == PIX_FMT_GRAY16LE && dstFormat == PIX_FMT_GRAY16BE) || - (srcFormat == PIX_FMT_GRAY16BE && dstFormat == PIX_FMT_GRAY16LE)) - c->swScale = packed_16bpc_bswap; - /* RGB/BGR -> RGB/BGR (no dither needed forms) */ if ( isAnyRGB(srcFormat) && isAnyRGB(dstFormat) @@ -735,6 +732,18 @@ void ff_get_unscaled_swscale(SwsContext *c) if (isAnyRGB(srcFormat) && isPlanar(srcFormat) && isByteRGB(dstFormat)) c->swScale= planarRgbToRgbWrapper; + /* bswap 16 bits per pixel/component packed formats */ + if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR444) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR48) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR555) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_BGR565) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_GRAY16) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB444) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB48) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB555) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, PIX_FMT_RGB565)) + c->swScale = packed_16bpc_bswap; + if (usePal(srcFormat) && isByteRGB(dstFormat)) c->swScale= palToRgbWrapper; |