diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-12 07:33:52 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-12 07:40:57 +0400 |
commit | b81f8880e010ccdef3604d9beb681d3c4c6a7bc0 (patch) | |
tree | 0a6534f8fd2d53e84f6b5716047e473b1598cd3d /libavcodec/dsputil.c | |
parent | b75d89a4784e027cec99236d58e9bd4121ec4309 (diff) | |
parent | 5f3fb599536dd5bceb1d45cb73cd0b0ce3e5560c (diff) |
Merge remote-tracking branch 'qatar/master'
* qatar/master: (23 commits)
fix AC3ENC_OPT_MODE_ON/OFF
h264: fix HRD parameters parsing
prores: implement multithreading.
prores: idct sse2/sse4 optimizations.
swscale: use aligned move for storage into temporary buffer.
prores: extract idct into its own dspcontext and merge with put_pixels.
h264: fix invalid shifts in init_cavlc_level_tab()
intfloat_readwrite: fix signed addition overflows
mov: do not misreport empty stts
mov: cosmetics, fix for and if spacing
id3v2: fix NULL pointer dereference
mov: read album_artist atom
mov: fix disc/track numbers and totals
doc: fix references to obsolete presets directories for avconv/ffmpeg
flashsv: return more meaningful error value
flashsv: fix typo in av_log() message
smacker: validate channels and sample format.
smacker: check buffer size before reading output size
smacker: validate number of channels
smacker: Separate audio flags from sample rates in smacker demuxer.
...
Conflicts:
cmdutils.h
doc/ffmpeg.texi
libavcodec/Makefile
libavcodec/motion_est_template.c
libavformat/id3v2.c
libavformat/mov.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/dsputil.c')
-rw-r--r-- | libavcodec/dsputil.c | 65 |
1 files changed, 37 insertions, 28 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index ebce93039f..c451c97155 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -144,6 +144,41 @@ void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_s } } +void ff_init_scantable_permutation(uint8_t *idct_permutation, + int idct_permutation_type) +{ + int i; + + switch(idct_permutation_type){ + case FF_NO_IDCT_PERM: + for(i=0; i<64; i++) + idct_permutation[i]= i; + break; + case FF_LIBMPEG2_IDCT_PERM: + for(i=0; i<64; i++) + idct_permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2); + break; + case FF_SIMPLE_IDCT_PERM: + for(i=0; i<64; i++) + idct_permutation[i]= simple_mmx_permutation[i]; + break; + case FF_TRANSPOSE_IDCT_PERM: + for(i=0; i<64; i++) + idct_permutation[i]= ((i&7)<<3) | (i>>3); + break; + case FF_PARTTRANS_IDCT_PERM: + for(i=0; i<64; i++) + idct_permutation[i]= (i&0x24) | ((i&3)<<3) | ((i>>3)&3); + break; + case FF_SSE2_IDCT_PERM: + for(i=0; i<64; i++) + idct_permutation[i]= (i&0x38) | idct_sse2_row_perm[i&7]; + break; + default: + av_log(NULL, AV_LOG_ERROR, "Internal error, IDCT permutation not set\n"); + } +} + static int pix_sum_c(uint8_t * pix, int line_size) { int s, i, j; @@ -3107,32 +3142,6 @@ av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx) c->avg_2tap_qpel_pixels_tab[0][i]= c->avg_h264_qpel_pixels_tab[0][i]; } - switch(c->idct_permutation_type){ - case FF_NO_IDCT_PERM: - for(i=0; i<64; i++) - c->idct_permutation[i]= i; - break; - case FF_LIBMPEG2_IDCT_PERM: - for(i=0; i<64; i++) - c->idct_permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2); - break; - case FF_SIMPLE_IDCT_PERM: - for(i=0; i<64; i++) - c->idct_permutation[i]= simple_mmx_permutation[i]; - break; - case FF_TRANSPOSE_IDCT_PERM: - for(i=0; i<64; i++) - c->idct_permutation[i]= ((i&7)<<3) | (i>>3); - break; - case FF_PARTTRANS_IDCT_PERM: - for(i=0; i<64; i++) - c->idct_permutation[i]= (i&0x24) | ((i&3)<<3) | ((i>>3)&3); - break; - case FF_SSE2_IDCT_PERM: - for(i=0; i<64; i++) - c->idct_permutation[i]= (i&0x38) | idct_sse2_row_perm[i&7]; - break; - default: - av_log(avctx, AV_LOG_ERROR, "Internal error, IDCT permutation not set\n"); - } + ff_init_scantable_permutation(c->idct_permutation, + c->idct_permutation_type); } |