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| author | Jason Garrett-Glaser <jason@x264.com> | 2011-06-03 01:12:28 -0700 |
|---|---|---|
| committer | Jason Garrett-Glaser <jason@x264.com> | 2011-06-13 21:16:30 -0700 |
| commit | c90b94424cd4953a095d6d6648ba8d499e306b35 (patch) | |
| tree | bf5a8c38d47d318f1be087def6812a3e005cdabe /libavcodec/ppc | |
| parent | 99477adc31c0569b3cebe8004dd584aa4726a2d1 (diff) | |
| download | ffmpeg-c90b94424cd4953a095d6d6648ba8d499e306b35.tar.gz | |
4:4:4 H.264 decoding support
Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
Diffstat (limited to 'libavcodec/ppc')
| -rw-r--r-- | libavcodec/ppc/h264_altivec.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/libavcodec/ppc/h264_altivec.c b/libavcodec/ppc/h264_altivec.c index fae0674720..05fae831c9 100644 --- a/libavcodec/ppc/h264_altivec.c +++ b/libavcodec/ppc/h264_altivec.c @@ -527,7 +527,7 @@ static void ff_h264_idct8_dc_add_altivec(uint8_t *dst, DCTELEM *block, int strid h264_idct_dc_add_internal(dst, block, stride, 8); } -static void ff_h264_idct_add16_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ +static void ff_h264_idct_add16_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15*8]){ int i; for(i=0; i<16; i++){ int nnz = nnzc[ scan8[i] ]; @@ -538,7 +538,7 @@ static void ff_h264_idct_add16_altivec(uint8_t *dst, const int *block_offset, DC } } -static void ff_h264_idct_add16intra_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ +static void ff_h264_idct_add16intra_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15*8]){ int i; for(i=0; i<16; i++){ if(nnzc[ scan8[i] ]) ff_h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride); @@ -546,7 +546,7 @@ static void ff_h264_idct_add16intra_altivec(uint8_t *dst, const int *block_offse } } -static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ +static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15*8]){ int i; for(i=0; i<16; i+=4){ int nnz = nnzc[ scan8[i] ]; @@ -557,13 +557,15 @@ static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DC } } -static void ff_h264_idct_add8_altivec(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ - int i; - for(i=16; i<16+8; i++){ - if(nnzc[ scan8[i] ]) - ff_h264_idct_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride); - else if(block[i*16]) - h264_idct_dc_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride); +static void ff_h264_idct_add8_altivec(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15*8]){ + int i, j; + for (j = 1; j < 3; j++) { + for(i = j * 16; i < j * 16 + 4; i++){ + if(nnzc[ scan8[i] ]) + ff_h264_idct_add_altivec(dest[j-1] + block_offset[i], block + i*16, stride); + else if(block[i*16]) + h264_idct_dc_add_altivec(dest[j-1] + block_offset[i], block + i*16, stride); + } } } |