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authorMichael Niedermayer <michaelni@gmx.at>2011-10-22 01:03:27 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-10-22 01:16:41 +0200
commitaedc908601de7396751a9a4504e064782d9f6a0b (patch)
tree8f04b899142439893bac426ac83d05c4068b099c /libswscale/utils.c
parent1a7090bfafe986d4470ba8059c815939171ddb74 (diff)
parentf4b51d061f0f34e36be876b562b8abe47f4b9c1c (diff)
Merge remote-tracking branch 'qatar/master'
* qatar/master: (35 commits) flvdec: Do not call parse_keyframes_index with a NULL stream libspeexdec: include system headers before local headers libspeexdec: return meaningful error codes libspeexdec: cosmetics: reindent libspeexdec: decode one frame at a time. swscale: fix signed shift overflows in ff_yuv2rgb_c_init_tables() Move timefilter code from lavf to lavd. mov: add support for hdvd and pgapmetadata atoms mov: rename function _stik, some indentation cosmetics mov: rename function _int8 to remove ambiguity, some indentation cosmetics mov: parse the gnre atom mp3on4: check for allocation failures in decode_init_mp3on4() mp3on4: create a separate flush function for MP3onMP4. mp3on4: ensure that the frame channel count does not exceed the codec channel count. mp3on4: set channel layout mp3on4: fix the output channel order mp3on4: allocate temp buffer with av_malloc() instead of on the stack. mp3on4: copy MPADSPContext from first context to all contexts. fmtconvert: port float_to_int16_interleave() 2-channel x86 inline asm to yasm fmtconvert: port int32_to_float_fmul_scalar() x86 inline asm to yasm ... Conflicts: libavcodec/arm/h264dsp_init_arm.c libavcodec/h264.c libavcodec/h264.h libavcodec/h264_cabac.c libavcodec/h264_cavlc.c libavcodec/h264_ps.c libavcodec/h264dsp_template.c libavcodec/h264idct_template.c libavcodec/h264pred.c libavcodec/h264pred_template.c libavcodec/x86/h264dsp_mmx.c libavdevice/Makefile libavdevice/jack_audio.c libavformat/Makefile libavformat/flvdec.c libavformat/flvenc.c libavutil/pixfmt.h libswscale/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale/utils.c')
-rw-r--r--libswscale/utils.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 6c2a8de120..673dae0adc 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -136,6 +136,8 @@ const static FormatEntry format_entries[PIX_FMT_NB] = {
[PIX_FMT_YUV420P9LE] = { 1 , 1 },
[PIX_FMT_YUV420P10BE] = { 1 , 1 },
[PIX_FMT_YUV420P10LE] = { 1 , 1 },
+ [PIX_FMT_YUV422P9BE] = { 1 , 1 },
+ [PIX_FMT_YUV422P9LE] = { 1 , 1 },
[PIX_FMT_YUV422P10BE] = { 1 , 1 },
[PIX_FMT_YUV422P10LE] = { 1 , 1 },
[PIX_FMT_YUV444P9BE] = { 1 , 1 },
@@ -280,15 +282,18 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi
if (flags & SWS_BICUBIC) {
int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24);
int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24);
- int64_t dd = ( d*d)>>30;
- int64_t ddd= (dd*d)>>30;
- if (d < 1LL<<30)
- coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30);
- else if (d < 1LL<<31)
- coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30);
- else
- coeff=0.0;
+ if (d >= 1LL<<31) {
+ coeff = 0.0;
+ } else {
+ int64_t dd = (d * d) >> 30;
+ int64_t ddd = (dd * d) >> 30;
+
+ if (d < 1LL<<30)
+ coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30);
+ else
+ coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30);
+ }
coeff *= fone>>(30+24);
}
/* else if (flags & SWS_X) {