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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-06-29 04:08:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-06-29 05:23:12 +0200 |
| commit | bb9d5171a7352205ac9f09c970e24938fab57165 (patch) | |
| tree | 2abd874837de6e7cc0f21d1f84e13555b2eeb755 /libavcodec/aaccoder.c | |
| parent | dbe5f0172b4f123b15bc8ada82dd17b13c4bbbd7 (diff) | |
| parent | 4578435f35888c95b12a53a12cdab612ac3fef04 (diff) | |
| download | ffmpeg-bb9d5171a7352205ac9f09c970e24938fab57165.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master: (21 commits)
swscale: Add Doxygen for hyscale_fast/hScale.
fate: enable lavfi-pixmt tests on big endian systems
PPC: swscale: disable altivec functions for unsupported formats
fate: merge identical pixdesc_be/le tests
swscale: Add Doxygen for yuv2planar*/yuv2packed* functions.
build: call texi2pod.pl with full path instead of symlink
build: include sub-makefiles using full path instead of symlinks
swscale: update big endian reference values after dff5a835.
wavpack: skip blocks with no samples
cosmetics: remove outdated comment that is no longer true
build: replace some addprefix/addsuffix with substitution refs
avutil: Remove unused arbitrary precision integer code.
configure: Drop check for availability of ten assembler operands.
aacenc: Save channel configuration for later use.
aacenc: Fix codebook trellising for zeroed bands.
swscale: change prototypes of scaled YUV output functions.
swscale: re-add support for non-native endianness.
swscale: disentangle yuv2rgbX_c_full() into small functions.
swscale: split yuv2packed[12X]_c() remainders into small functions.
swscale: split yuv2packedX_altivec in smaller functions.
...
Conflicts:
Makefile
configure
libavcodec/x86/dsputil_mmx.c
libavfilter/Makefile
libavformat/Makefile
libavutil/integer.c
libavutil/integer.h
libswscale/swscale.c
libswscale/swscale_internal.h
libswscale/x86/swscale_template.c
tests/ref/lavfi/pixdesc_le
tests/ref/lavfi/pixfmts_scale
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/aaccoder.c')
| -rw-r--r-- | libavcodec/aaccoder.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c index a68aa025de..4eba5dd83c 100644 --- a/libavcodec/aaccoder.c +++ b/libavcodec/aaccoder.c @@ -433,10 +433,26 @@ static void codebook_trellis_rate(AACEncContext *s, SingleChannelElement *sce, for (swb = 0; swb < max_sfb; swb++) { size = sce->ics.swb_sizes[swb]; if (sce->zeroes[win*16 + swb]) { - for (cb = 0; cb < 12; cb++) { - path[swb+1][cb].prev_idx = cb; - path[swb+1][cb].cost = path[swb][cb].cost; - path[swb+1][cb].run = path[swb][cb].run + 1; + float cost_stay_here = path[swb][0].cost; + float cost_get_here = next_minrd + run_bits + 4; + if ( run_value_bits[sce->ics.num_windows == 8][path[swb][0].run] + != run_value_bits[sce->ics.num_windows == 8][path[swb][0].run+1]) + cost_stay_here += run_bits; + if (cost_get_here < cost_stay_here) { + path[swb+1][0].prev_idx = next_mincb; + path[swb+1][0].cost = cost_get_here; + path[swb+1][0].run = 1; + } else { + path[swb+1][0].prev_idx = 0; + path[swb+1][0].cost = cost_stay_here; + path[swb+1][0].run = path[swb][0].run + 1; + } + next_minrd = path[swb+1][0].cost; + next_mincb = 0; + for (cb = 1; cb < 12; cb++) { + path[swb+1][cb].cost = 61450; + path[swb+1][cb].prev_idx = -1; + path[swb+1][cb].run = 0; } } else { float minrd = next_minrd; |