diff options
Diffstat (limited to 'libmpeg2/slice.c')
| -rw-r--r-- | libmpeg2/slice.c | 1299 |
1 files changed, 779 insertions, 520 deletions
diff --git a/libmpeg2/slice.c b/libmpeg2/slice.c index 327612e0e4..15740e1151 100644 --- a/libmpeg2/slice.c +++ b/libmpeg2/slice.c @@ -1,6 +1,7 @@ /* * slice.c - * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> + * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org> + * Copyright (C) 2003 Peter Gubanov <peter@elecard.net.ru> * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> * * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. @@ -26,8 +27,8 @@ #include <inttypes.h> #include "mpeg2.h" -#include "mpeg2_internal.h" #include "attributes.h" +#include "mpeg2_internal.h" extern mpeg2_mc_t mpeg2_mc; extern void (* mpeg2_idct_copy) (int16_t * block, uint8_t * dest, int stride); @@ -38,14 +39,7 @@ extern void (* mpeg2_cpu_state_restore) (cpu_state_t * state); #include "vlc.h" -static int non_linear_quantizer_scale [] = { - 0, 1, 2, 3, 4, 5, 6, 7, - 8, 10, 12, 14, 16, 18, 20, 22, - 24, 28, 32, 36, 40, 44, 48, 52, - 56, 64, 72, 80, 88, 96, 104, 112 -}; - -static inline int get_macroblock_modes (decoder_t * const decoder) +static inline int get_macroblock_modes (mpeg2_decoder_t * const decoder) { #define bit_buf (decoder->bitstream_buf) #define bits (decoder->bitstream_bits) @@ -76,24 +70,24 @@ static inline int get_macroblock_modes (decoder_t * const decoder) if (decoder->picture_structure != FRAME_PICTURE) { if (macroblock_modes & MACROBLOCK_MOTION_FORWARD) { - macroblock_modes |= UBITS (bit_buf, 2) * MOTION_TYPE_BASE; + macroblock_modes |= UBITS (bit_buf, 2) << MOTION_TYPE_SHIFT; DUMPBITS (bit_buf, bits, 2); } - return macroblock_modes; + return macroblock_modes | MACROBLOCK_MOTION_FORWARD; } else if (decoder->frame_pred_frame_dct) { if (macroblock_modes & MACROBLOCK_MOTION_FORWARD) - macroblock_modes |= MC_FRAME; - return macroblock_modes; + macroblock_modes |= MC_FRAME << MOTION_TYPE_SHIFT; + return macroblock_modes | MACROBLOCK_MOTION_FORWARD; } else { if (macroblock_modes & MACROBLOCK_MOTION_FORWARD) { - macroblock_modes |= UBITS (bit_buf, 2) * MOTION_TYPE_BASE; + macroblock_modes |= UBITS (bit_buf, 2) << MOTION_TYPE_SHIFT; DUMPBITS (bit_buf, bits, 2); } if (macroblock_modes & (MACROBLOCK_INTRA | MACROBLOCK_PATTERN)) { macroblock_modes |= UBITS (bit_buf, 1) * DCT_TYPE_INTERLACED; DUMPBITS (bit_buf, bits, 1); } - return macroblock_modes; + return macroblock_modes | MACROBLOCK_MOTION_FORWARD; } case B_TYPE: @@ -104,18 +98,18 @@ static inline int get_macroblock_modes (decoder_t * const decoder) if (decoder->picture_structure != FRAME_PICTURE) { if (! (macroblock_modes & MACROBLOCK_INTRA)) { - macroblock_modes |= UBITS (bit_buf, 2) * MOTION_TYPE_BASE; + macroblock_modes |= UBITS (bit_buf, 2) << MOTION_TYPE_SHIFT; DUMPBITS (bit_buf, bits, 2); } return macroblock_modes; } else if (decoder->frame_pred_frame_dct) { /* if (! (macroblock_modes & MACROBLOCK_INTRA)) */ - macroblock_modes |= MC_FRAME; + macroblock_modes |= MC_FRAME << MOTION_TYPE_SHIFT; return macroblock_modes; } else { if (macroblock_modes & MACROBLOCK_INTRA) goto intra; - macroblock_modes |= UBITS (bit_buf, 2) * MOTION_TYPE_BASE; + macroblock_modes |= UBITS (bit_buf, 2) << MOTION_TYPE_SHIFT; DUMPBITS (bit_buf, bits, 2); if (macroblock_modes & (MACROBLOCK_INTRA | MACROBLOCK_PATTERN)) { intra: @@ -138,7 +132,7 @@ static inline int get_macroblock_modes (decoder_t * const decoder) #undef bit_ptr } -static inline int get_quantizer_scale (decoder_t * const decoder) +static inline void get_quantizer_scale (mpeg2_decoder_t * const decoder) { #define bit_buf (decoder->bitstream_buf) #define bits (decoder->bitstream_bits) @@ -149,16 +143,20 @@ static inline int get_quantizer_scale (decoder_t * const decoder) quantizer_scale_code = UBITS (bit_buf, 5); DUMPBITS (bit_buf, bits, 5); - if (decoder->q_scale_type) - return non_linear_quantizer_scale [quantizer_scale_code]; - else - return quantizer_scale_code << 1; + decoder->quantizer_matrix[0] = + decoder->quantizer_prescale[0][quantizer_scale_code]; + decoder->quantizer_matrix[1] = + decoder->quantizer_prescale[1][quantizer_scale_code]; + decoder->quantizer_matrix[2] = + decoder->chroma_quantizer[0][quantizer_scale_code]; + decoder->quantizer_matrix[3] = + decoder->chroma_quantizer[1][quantizer_scale_code]; #undef bit_buf #undef bits #undef bit_ptr } -static inline int get_motion_delta (decoder_t * const decoder, +static inline int get_motion_delta (mpeg2_decoder_t * const decoder, const int f_code) { #define bit_buf (decoder->bitstream_buf) @@ -214,24 +212,10 @@ static inline int get_motion_delta (decoder_t * const decoder, static inline int bound_motion_vector (const int vector, const int f_code) { -#if 0 - unsigned int limit; - int sign; - - limit = 16 << f_code; - - if ((unsigned int)(vector + limit) < 2 * limit) - return vector; - else { - sign = ((int32_t)vector) >> 31; - return vector - ((2 * limit) ^ sign) + sign; - } -#else return ((int32_t)vector << (27 - f_code)) >> (27 - f_code); -#endif } -static inline int get_dmv (decoder_t * const decoder) +static inline int get_dmv (mpeg2_decoder_t * const decoder) { #define bit_buf (decoder->bitstream_buf) #define bits (decoder->bitstream_bits) @@ -247,7 +231,7 @@ static inline int get_dmv (decoder_t * const decoder) #undef bit_ptr } -static inline int get_coded_block_pattern (decoder_t * const decoder) +static inline int get_coded_block_pattern (mpeg2_decoder_t * const decoder) { #define bit_buf (decoder->bitstream_buf) #define bits (decoder->bitstream_bits) @@ -275,7 +259,7 @@ static inline int get_coded_block_pattern (decoder_t * const decoder) #undef bit_ptr } -static inline int get_luma_dc_dct_diff (decoder_t * const decoder) +static inline int get_luma_dc_dct_diff (mpeg2_decoder_t * const decoder) { #define bit_buf (decoder->bitstream_buf) #define bits (decoder->bitstream_bits) @@ -293,7 +277,7 @@ static inline int get_luma_dc_dct_diff (decoder_t * const decoder) dc_diff = UBITS (bit_buf, size) - UBITS (SBITS (~bit_buf, 1), size); bit_buf <<= size; - return dc_diff; + return dc_diff << decoder->intra_dc_precision; } else { DUMPBITS (bit_buf, bits, 3); return 0; @@ -305,14 +289,14 @@ static inline int get_luma_dc_dct_diff (decoder_t * const decoder) NEEDBITS (bit_buf, bits, bit_ptr); dc_diff = UBITS (bit_buf, size) - UBITS (SBITS (~bit_buf, 1), size); DUMPBITS (bit_buf, bits, size); - return dc_diff; + return dc_diff << decoder->intra_dc_precision; } #undef bit_buf #undef bits #undef bit_ptr } -static inline int get_chroma_dc_dct_diff (decoder_t * const decoder) +static inline int get_chroma_dc_dct_diff (mpeg2_decoder_t * const decoder) { #define bit_buf (decoder->bitstream_buf) #define bits (decoder->bitstream_bits) @@ -330,7 +314,7 @@ static inline int get_chroma_dc_dct_diff (decoder_t * const decoder) dc_diff = UBITS (bit_buf, size) - UBITS (SBITS (~bit_buf, 1), size); bit_buf <<= size; - return dc_diff; + return dc_diff << decoder->intra_dc_precision; } else { DUMPBITS (bit_buf, bits, 2); return 0; @@ -342,35 +326,34 @@ static inline int get_chroma_dc_dct_diff (decoder_t * const decoder) NEEDBITS (bit_buf, bits, bit_ptr); dc_diff = UBITS (bit_buf, size) - UBITS (SBITS (~bit_buf, 1), size); DUMPBITS (bit_buf, bits, size); - return dc_diff; + return dc_diff << decoder->intra_dc_precision; } #undef bit_buf #undef bits #undef bit_ptr } -#define SATURATE(val) \ -do { \ - if (unlikely ((uint32_t)(val + 2048) > 4095)) \ - val = SBITS (val, 1) ^ 2047; \ +#define SATURATE(val) \ +do { \ + val <<= 4; \ + if (unlikely (val != (int16_t) val)) \ + val = (SBITS (val, 1) ^ 2047) << 4; \ } while (0) -static void get_intra_block_B14 (decoder_t * const decoder) +static void get_intra_block_B14 (mpeg2_decoder_t * const decoder, + const uint16_t * const quant_matrix) { int i; int j; int val; - const uint8_t * scan = decoder->scan; - const uint8_t * quant_matrix = decoder->intra_quantizer_matrix; - int quantizer_scale = decoder->quantizer_scale; + const uint8_t * const scan = decoder->scan; int mismatch; const DCTtab * tab; uint32_t bit_buf; int bits; const uint8_t * bit_ptr; - int16_t * dest; + int16_t * const dest = decoder->DCTblock; - dest = decoder->DCTblock; i = 0; mismatch = ~dest[0]; @@ -393,7 +376,7 @@ static void get_intra_block_B14 (decoder_t * const decoder) j = scan[i]; bit_buf <<= tab->len; bits += tab->len + 1; - val = (tab->level * quantizer_scale * quant_matrix[j]) >> 4; + val = (tab->level * quant_matrix[j]) >> 4; /* if (bitstream_get (1)) val = -val; */ val = (val ^ SBITS (bit_buf, 1)) - SBITS (bit_buf, 1); @@ -425,8 +408,7 @@ static void get_intra_block_B14 (decoder_t * const decoder) DUMPBITS (bit_buf, bits, 12); NEEDBITS (bit_buf, bits, bit_ptr); - val = (SBITS (bit_buf, 12) * - quantizer_scale * quant_matrix[j]) / 16; + val = (SBITS (bit_buf, 12) * quant_matrix[j]) / 16; SATURATE (val); dest[j] = val; @@ -462,29 +444,27 @@ static void get_intra_block_B14 (decoder_t * const decoder) } break; /* illegal, check needed to avoid buffer overflow */ } - dest[63] ^= mismatch & 1; + dest[63] ^= mismatch & 16; DUMPBITS (bit_buf, bits, 2); /* dump end of block code */ decoder->bitstream_buf = bit_buf; decoder->bitstream_bits = bits; decoder->bitstream_ptr = bit_ptr; } -static void get_intra_block_B15 (decoder_t * const decoder) +static void get_intra_block_B15 (mpeg2_decoder_t * const decoder, + const uint16_t * const quant_matrix) { int i; int j; int val; - const uint8_t * scan = decoder->scan; - const uint8_t * quant_matrix = decoder->intra_quantizer_matrix; - int quantizer_scale = decoder->quantizer_scale; + const uint8_t * const scan = decoder->scan; int mismatch; const DCTtab * tab; uint32_t bit_buf; int bits; const uint8_t * bit_ptr; - int16_t * dest; + int16_t * const dest = decoder->DCTblock; - dest = decoder->DCTblock; i = 0; mismatch = ~dest[0]; @@ -506,7 +486,7 @@ static void get_intra_block_B15 (decoder_t * const decoder) j = scan[i]; bit_buf <<= tab->len; bits += tab->len + 1; - val = (tab->level * quantizer_scale * quant_matrix[j]) >> 4; + val = (tab->level * quant_matrix[j]) >> 4; /* if (bitstream_get (1)) val = -val; */ val = (val ^ SBITS (bit_buf, 1)) - SBITS (bit_buf, 1); @@ -537,8 +517,7 @@ static void get_intra_block_B15 (decoder_t * const decoder) DUMPBITS (bit_buf, bits, 12); NEEDBITS (bit_buf, bits, bit_ptr); - val = (SBITS (bit_buf, 12) * - quantizer_scale * quant_matrix[j]) / 16; + val = (SBITS (bit_buf, 12) * quant_matrix[j]) / 16; SATURATE (val); dest[j] = val; @@ -575,31 +554,29 @@ static void get_intra_block_B15 (decoder_t * const decoder) } break; /* illegal, check needed to avoid buffer overflow */ } - dest[63] ^= mismatch & 1; + dest[63] ^= mismatch & 16; DUMPBITS (bit_buf, bits, 4); /* dump end of block code */ decoder->bitstream_buf = bit_buf; decoder->bitstream_bits = bits; decoder->bitstream_ptr = bit_ptr; } -static int get_non_intra_block (decoder_t * const decoder) +static int get_non_intra_block (mpeg2_decoder_t * const decoder, + const uint16_t * const quant_matrix) { int i; int j; int val; - const uint8_t * scan = decoder->scan; - const uint8_t * quant_matrix = decoder->non_intra_quantizer_matrix; - int quantizer_scale = decoder->quantizer_scale; + const uint8_t * const scan = decoder->scan; int mismatch; const DCTtab * tab; uint32_t bit_buf; int bits; const uint8_t * bit_ptr; - int16_t * dest; + int16_t * const dest = decoder->DCTblock; i = -1; - mismatch = 1; - dest = decoder->DCTblock; + mismatch = -1; bit_buf = decoder->bitstream_buf; bits = decoder->bitstream_bits; @@ -626,7 +603,7 @@ static int get_non_intra_block (decoder_t * const decoder) j = scan[i]; bit_buf <<= tab->len; bits += tab->len + 1; - val = ((2*tab->level+1) * quantizer_scale * quant_matrix[j]) >> 5; + val = ((2 * tab->level + 1) * quant_matrix[j]) >> 5; /* if (bitstream_get (1)) val = -val; */ val = (val ^ SBITS (bit_buf, 1)) - SBITS (bit_buf, 1); @@ -662,7 +639,7 @@ static int get_non_intra_block (decoder_t * const decoder) DUMPBITS (bit_buf, bits, 12); NEEDBITS (bit_buf, bits, bit_ptr); val = 2 * (SBITS (bit_buf, 12) + SBITS (bit_buf, 1)) + 1; - val = (val * quantizer_scale * quant_matrix[j]) / 32; + val = (val * quant_matrix[j]) / 32; SATURATE (val); dest[j] = val; @@ -698,7 +675,7 @@ static int get_non_intra_block (decoder_t * const decoder) } break; /* illegal, check needed to avoid buffer overflow */ } - dest[63] ^= mismatch & 1; + dest[63] ^= mismatch & 16; DUMPBITS (bit_buf, bits, 2); /* dump end of block code */ decoder->bitstream_buf = bit_buf; decoder->bitstream_bits = bits; @@ -706,22 +683,20 @@ static int get_non_intra_block (decoder_t * const decoder) return i; } -static void get_mpeg1_intra_block (decoder_t * const decoder) +static void get_mpeg1_intra_block (mpeg2_decoder_t * const decoder) { int i; int j; int val; - const uint8_t * scan = decoder->scan; - const uint8_t * quant_matrix = decoder->intra_quantizer_matrix; - int quantizer_scale = decoder->quantizer_scale; + const uint8_t * const scan = decoder->scan; + const uint16_t * const quant_matrix = decoder->quantizer_matrix[0]; const DCTtab * tab; uint32_t bit_buf; int bits; const uint8_t * bit_ptr; - int16_t * dest; + int16_t * const dest = decoder->DCTblock; i = 0; - dest = decoder->DCTblock; bit_buf = decoder->bitstream_buf; bits = decoder->bitstream_bits; @@ -742,7 +717,7 @@ static void get_mpeg1_intra_block (decoder_t * const decoder) j = scan[i]; bit_buf <<= tab->len; bits += tab->len + 1; - val = (tab->level * quantizer_scale * quant_matrix[j]) >> 4; + val = (tab->level * quant_matrix[j]) >> 4; /* oddification */ val = (val - 1) | 1; @@ -781,7 +756,7 @@ static void get_mpeg1_intra_block (decoder_t * const decoder) DUMPBITS (bit_buf, bits, 8); val = UBITS (bit_buf, 8) + 2 * val; } - val = (val * quantizer_scale * quant_matrix[j]) / 16; + val = (val * quant_matrix[j]) / 16; /* oddification */ val = (val + ~SBITS (val, 1)) | 1; @@ -825,22 +800,20 @@ static void get_mpeg1_intra_block (decoder_t * const decoder) decoder->bitstream_ptr = bit_ptr; } -static int get_mpeg1_non_intra_block (decoder_t * const decoder) +static int get_mpeg1_non_intra_block (mpeg2_decoder_t * const decoder) { int i; int j; int val; - const uint8_t * scan = decoder->scan; - const uint8_t * quant_matrix = decoder->non_intra_quantizer_matrix; - int quantizer_scale = decoder->quantizer_scale; + const uint8_t * const scan = decoder->scan; + const uint16_t * const quant_matrix = decoder->quantizer_matrix[1]; const DCTtab * tab; uint32_t bit_buf; int bits; const uint8_t * bit_ptr; - int16_t * dest; + int16_t * const dest = decoder->DCTblock; i = -1; - dest = decoder->DCTblock; bit_buf = decoder->bitstream_buf; bits = decoder->bitstream_bits; @@ -867,7 +840,7 @@ static int get_mpeg1_non_intra_block (decoder_t * const decoder) j = scan[i]; bit_buf <<= tab->len; bits += tab->len + 1; - val = ((2*tab->level+1) * quantizer_scale * quant_matrix[j]) >> 5; + val = ((2 * tab->level + 1) * quant_matrix[j]) >> 5; /* oddification */ val = (val - 1) | 1; @@ -910,7 +883,7 @@ static int get_mpeg1_non_intra_block (decoder_t * const decoder) val = UBITS (bit_buf, 8) + 2 * val; } val = 2 * (val + SBITS (val, 1)) + 1; - val = (val * quantizer_scale * quant_matrix[j]) / 32; + val = (val * quant_matrix[j]) / 32; /* oddification */ val = (val + ~SBITS (val, 1)) | 1; @@ -955,7 +928,8 @@ static int get_mpeg1_non_intra_block (decoder_t * const decoder) return i; } -static inline void slice_intra_DCT (decoder_t * const decoder, const int cc, +static inline void slice_intra_DCT (mpeg2_decoder_t * const decoder, + const int cc, uint8_t * const dest, const int stride) { #define bit_buf (decoder->bitstream_buf) @@ -964,26 +938,27 @@ static inline void slice_intra_DCT (decoder_t * const decoder, const int cc, NEEDBITS (bit_buf, bits, bit_ptr); /* Get the intra DC coefficient and inverse quantize it */ if (cc == 0) - decoder->dc_dct_pred[0] += get_luma_dc_dct_diff (decoder); + decoder->DCTblock[0] = + decoder->dc_dct_pred[0] += get_luma_dc_dct_diff (decoder); else - decoder->dc_dct_pred[cc] += get_chroma_dc_dct_diff (decoder); - decoder->DCTblock[0] = - decoder->dc_dct_pred[cc] << (3 - decoder->intra_dc_precision); + decoder->DCTblock[0] = + decoder->dc_dct_pred[cc] += get_chroma_dc_dct_diff (decoder); if (decoder->mpeg1) { if (decoder->coding_type != D_TYPE) get_mpeg1_intra_block (decoder); } else if (decoder->intra_vlc_format) - get_intra_block_B15 (decoder); + get_intra_block_B15 (decoder, decoder->quantizer_matrix[cc ? 2 : 0]); else - get_intra_block_B14 (decoder); + get_intra_block_B14 (decoder, decoder->quantizer_matrix[cc ? 2 : 0]); mpeg2_idct_copy (decoder->DCTblock, dest, stride); #undef bit_buf #undef bits #undef bit_ptr } -static inline void slice_non_intra_DCT (decoder_t * const decoder, +static inline void slice_non_intra_DCT (mpeg2_decoder_t * const decoder, + const int cc, uint8_t * const dest, const int stride) { int last; @@ -991,15 +966,22 @@ static inline void slice_non_intra_DCT (decoder_t * const decoder, if (decoder->mpeg1) last = get_mpeg1_non_intra_block (decoder); else - last = get_non_intra_block (decoder); + last = get_non_intra_block (decoder, + decoder->quantizer_matrix[cc ? 3 : 1]); mpeg2_idct_add (last, decoder->DCTblock, dest, stride); } -#define MOTION(table,ref,motion_x,motion_y,size,y) \ +#define MOTION_420(table,ref,motion_x,motion_y,size,y) \ pos_x = 2 * decoder->offset + motion_x; \ pos_y = 2 * decoder->v_offset + motion_y + 2 * y; \ - if ((pos_x > decoder->limit_x) || (pos_y > decoder->limit_y_ ## size)) \ - return; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y_ ## size)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y_ ## size; \ + motion_y = pos_y - 2 * decoder->v_offset - 2 * y; \ + } \ xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ table[xy_half] (decoder->dest[0] + y * decoder->stride + decoder->offset, \ ref[0] + (pos_x >> 1) + (pos_y >> 1) * decoder->stride, \ @@ -1016,11 +998,17 @@ static inline void slice_non_intra_DCT (decoder_t * const decoder, (decoder->offset >> 1), ref[2] + offset, \ decoder->uv_stride, size/2) -#define MOTION_FIELD(table,ref,motion_x,motion_y,dest_field,op,src_field) \ +#define MOTION_FIELD_420(table,ref,motion_x,motion_y,dest_field,op,src_field) \ pos_x = 2 * decoder->offset + motion_x; \ pos_y = decoder->v_offset + motion_y; \ - if ((pos_x > decoder->limit_x) || (pos_y > decoder->limit_y)) \ - return; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y; \ + motion_y = pos_y - decoder->v_offset; \ + } \ xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ table[xy_half] (decoder->dest[0] + dest_field * decoder->stride + \ decoder->offset, \ @@ -1039,12 +1027,237 @@ static inline void slice_non_intra_DCT (decoder_t * const decoder, (decoder->offset >> 1), ref[2] + offset, \ 2 * decoder->uv_stride, 4) -static void motion_mp1 (decoder_t * const decoder, motion_t * const motion, - mpeg2_mc_fct * const * const table) -{ +#define MOTION_DMV_420(table,ref,motion_x,motion_y) \ + pos_x = 2 * decoder->offset + motion_x; \ + pos_y = decoder->v_offset + motion_y; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y; \ + motion_y = pos_y - decoder->v_offset; \ + } \ + xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ + offset = (pos_x >> 1) + (pos_y & ~1) * decoder->stride; \ + table[xy_half] (decoder->dest[0] + decoder->offset, \ + ref[0] + offset, 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[0] + decoder->stride + decoder->offset, \ + ref[0] + decoder->stride + offset, \ + 2 * decoder->stride, 8); \ + motion_x /= 2; motion_y /= 2; \ + xy_half = ((motion_y & 1) << 1) | (motion_x & 1); \ + offset = (((decoder->offset + motion_x) >> 1) + \ + (((decoder->v_offset >> 1) + (motion_y & ~1)) * \ + decoder->uv_stride)); \ + table[4+xy_half] (decoder->dest[1] + (decoder->offset >> 1), \ + ref[1] + offset, 2 * decoder->uv_stride, 4); \ + table[4+xy_half] (decoder->dest[1] + decoder->uv_stride + \ + (decoder->offset >> 1), \ + ref[1] + decoder->uv_stride + offset, \ + 2 * decoder->uv_stride, 4); \ + table[4+xy_half] (decoder->dest[2] + (decoder->offset >> 1), \ + ref[2] + offset, 2 * decoder->uv_stride, 4); \ + table[4+xy_half] (decoder->dest[2] + decoder->uv_stride + \ + (decoder->offset >> 1), \ + ref[2] + decoder->uv_stride + offset, \ + 2 * decoder->uv_stride, 4) + +#define MOTION_ZERO_420(table,ref) \ + table[0] (decoder->dest[0] + decoder->offset, \ + (ref[0] + decoder->offset + \ + decoder->v_offset * decoder->stride), decoder->stride, 16); \ + offset = ((decoder->offset >> 1) + \ + (decoder->v_offset >> 1) * decoder->uv_stride); \ + table[4] (decoder->dest[1] + (decoder->offset >> 1), \ + ref[1] + offset, decoder->uv_stride, 8); \ + table[4] (decoder->dest[2] + (decoder->offset >> 1), \ + ref[2] + offset, decoder->uv_stride, 8) + +#define MOTION_422(table,ref,motion_x,motion_y,size,y) \ + pos_x = 2 * decoder->offset + motion_x; \ + pos_y = 2 * decoder->v_offset + motion_y + 2 * y; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y_ ## size)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y_ ## size; \ + motion_y = pos_y - 2 * decoder->v_offset - 2 * y; \ + } \ + xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ + offset = (pos_x >> 1) + (pos_y >> 1) * decoder->stride; \ + table[xy_half] (decoder->dest[0] + y * decoder->stride + decoder->offset, \ + ref[0] + offset, decoder->stride, size); \ + offset = (offset + (motion_x & (motion_x < 0))) >> 1; \ + motion_x /= 2; \ + xy_half = ((pos_y & 1) << 1) | (motion_x & 1); \ + table[4+xy_half] (decoder->dest[1] + y * decoder->uv_stride + \ + (decoder->offset >> 1), ref[1] + offset, \ + decoder->uv_stride, size); \ + table[4+xy_half] (decoder->dest[2] + y * decoder->uv_stride + \ + (decoder->offset >> 1), ref[2] + offset, \ + decoder->uv_stride, size) + +#define MOTION_FIELD_422(table,ref,motion_x,motion_y,dest_field,op,src_field) \ + pos_x = 2 * decoder->offset + motion_x; \ + pos_y = decoder->v_offset + motion_y; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y; \ + motion_y = pos_y - decoder->v_offset; \ + } \ + xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ + offset = (pos_x >> 1) + ((pos_y op) + src_field) * decoder->stride; \ + table[xy_half] (decoder->dest[0] + dest_field * decoder->stride + \ + decoder->offset, ref[0] + offset, \ + 2 * decoder->stride, 8); \ + offset = (offset + (motion_x & (motion_x < 0))) >> 1; \ + motion_x /= 2; \ + xy_half = ((pos_y & 1) << 1) | (motion_x & 1); \ + table[4+xy_half] (decoder->dest[1] + dest_field * decoder->uv_stride + \ + (decoder->offset >> 1), ref[1] + offset, \ + 2 * decoder->uv_stride, 8); \ + table[4+xy_half] (decoder->dest[2] + dest_field * decoder->uv_stride + \ + (decoder->offset >> 1), ref[2] + offset, \ + 2 * decoder->uv_stride, 8) + +#define MOTION_DMV_422(table,ref,motion_x,motion_y) \ + pos_x = 2 * decoder->offset + motion_x; \ + pos_y = decoder->v_offset + motion_y; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y; \ + motion_y = pos_y - decoder->v_offset; \ + } \ + xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ + offset = (pos_x >> 1) + (pos_y & ~1) * decoder->stride; \ + table[xy_half] (decoder->dest[0] + decoder->offset, \ + ref[0] + offset, 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[0] + decoder->stride + decoder->offset, \ + ref[0] + decoder->stride + offset, \ + 2 * decoder->stride, 8); \ + offset = (offset + (motion_x & (motion_x < 0))) >> 1; \ + motion_x /= 2; \ + xy_half = ((pos_y & 1) << 1) | (motion_x & 1); \ + table[4+xy_half] (decoder->dest[1] + (decoder->offset >> 1), \ + ref[1] + offset, 2 * decoder->uv_stride, 8); \ + table[4+xy_half] (decoder->dest[1] + decoder->uv_stride + \ + (decoder->offset >> 1), \ + ref[1] + decoder->uv_stride + offset, \ + 2 * decoder->uv_stride, 8); \ + table[4+xy_half] (decoder->dest[2] + (decoder->offset >> 1), \ + ref[2] + offset, 2 * decoder->uv_stride, 8); \ + table[4+xy_half] (decoder->dest[2] + decoder->uv_stride + \ + (decoder->offset >> 1), \ + ref[2] + decoder->uv_stride + offset, \ + 2 * decoder->uv_stride, 8) + +#define MOTION_ZERO_422(table,ref) \ + offset = decoder->offset + decoder->v_offset * decoder->stride; \ + table[0] (decoder->dest[0] + decoder->offset, \ + ref[0] + offset, decoder->stride, 16); \ + offset >>= 1; \ + table[4] (decoder->dest[1] + (decoder->offset >> 1), \ + ref[1] + offset, decoder->uv_stride, 16); \ + table[4] (decoder->dest[2] + (decoder->offset >> 1), \ + ref[2] + offset, decoder->uv_stride, 16) + +#define MOTION_444(table,ref,motion_x,motion_y,size,y) \ + pos_x = 2 * decoder->offset + motion_x; \ + pos_y = 2 * decoder->v_offset + motion_y + 2 * y; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y_ ## size)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y_ ## size; \ + motion_y = pos_y - 2 * decoder->v_offset - 2 * y; \ + } \ + xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ + offset = (pos_x >> 1) + (pos_y >> 1) * decoder->stride; \ + table[xy_half] (decoder->dest[0] + y * decoder->stride + decoder->offset, \ + ref[0] + offset, decoder->stride, size); \ + table[xy_half] (decoder->dest[1] + y * decoder->stride + decoder->offset, \ + ref[1] + offset, decoder->stride, size); \ + table[xy_half] (decoder->dest[2] + y * decoder->stride + decoder->offset, \ + ref[2] + offset, decoder->stride, size) + +#define MOTION_FIELD_444(table,ref,motion_x,motion_y,dest_field,op,src_field) \ + pos_x = 2 * decoder->offset + motion_x; \ + pos_y = decoder->v_offset + motion_y; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y; \ + motion_y = pos_y - decoder->v_offset; \ + } \ + xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ + offset = (pos_x >> 1) + ((pos_y op) + src_field) * decoder->stride; \ + table[xy_half] (decoder->dest[0] + dest_field * decoder->stride + \ + decoder->offset, ref[0] + offset, \ + 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[1] + dest_field * decoder->stride + \ + decoder->offset, ref[1] + offset, \ + 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[2] + dest_field * decoder->stride + \ + decoder->offset, ref[2] + offset, \ + 2 * decoder->stride, 8) + +#define MOTION_DMV_444(table,ref,motion_x,motion_y) \ + pos_x = 2 * decoder->offset + motion_x; \ + pos_y = decoder->v_offset + motion_y; \ + if (unlikely (pos_x > decoder->limit_x)) { \ + pos_x = ((int)pos_x < 0) ? 0 : decoder->limit_x; \ + motion_x = pos_x - 2 * decoder->offset; \ + } \ + if (unlikely (pos_y > decoder->limit_y)) { \ + pos_y = ((int)pos_y < 0) ? 0 : decoder->limit_y; \ + motion_y = pos_y - decoder->v_offset; \ + } \ + xy_half = ((pos_y & 1) << 1) | (pos_x & 1); \ + offset = (pos_x >> 1) + (pos_y & ~1) * decoder->stride; \ + table[xy_half] (decoder->dest[0] + decoder->offset, \ + ref[0] + offset, 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[0] + decoder->stride + decoder->offset, \ + ref[0] + decoder->stride + offset, \ + 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[1] + decoder->offset, \ + ref[1] + offset, 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[1] + decoder->stride + decoder->offset, \ + ref[1] + decoder->stride + offset, \ + 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[2] + decoder->offset, \ + ref[2] + offset, 2 * decoder->stride, 8); \ + table[xy_half] (decoder->dest[2] + decoder->stride + decoder->offset, \ + ref[2] + decoder->stride + offset, \ + 2 * decoder->stride, 8) + +#define MOTION_ZERO_444(table,ref) \ + offset = decoder->offset + decoder->v_offset * decoder->stride; \ + table[0] (decoder->dest[0] + decoder->offset, \ + ref[0] + offset, decoder->stride, 16); \ + table[4] (decoder->dest[1] + decoder->offset, \ + ref[1] + offset, decoder->stride, 16); \ + table[4] (decoder->dest[2] + (decoder->offset >> 1), \ + ref[2] + offset, decoder->stride, 16) + #define bit_buf (decoder->bitstream_buf) #define bits (decoder->bitstream_bits) #define bit_ptr (decoder->bitstream_ptr) + +static void motion_mp1 (mpeg2_decoder_t * const decoder, + motion_t * const motion, + mpeg2_mc_fct * const * const table) +{ int motion_x, motion_y; unsigned int pos_x, pos_y, xy_half, offset; @@ -1064,192 +1277,239 @@ static void motion_mp1 (decoder_t * const decoder, motion_t * const motion, motion->f_code[0] + motion->f_code[1]); motion->pmv[0][1] = motion_y; - MOTION (table, motion->ref[0], motion_x, motion_y, 16, 0); -#undef bit_buf -#undef bits -#undef bit_ptr -} - -static void motion_fr_frame (decoder_t * const decoder, - motion_t * const motion, - mpeg2_mc_fct * const * const table) -{ -#define bit_buf (decoder->bitstream_buf) -#define bits (decoder->bitstream_bits) -#define bit_ptr (decoder->bitstream_ptr) - int motion_x, motion_y; - unsigned int pos_x, pos_y, xy_half, offset; - - NEEDBITS (bit_buf, bits, bit_ptr); - motion_x = motion->pmv[0][0] + get_motion_delta (decoder, - motion->f_code[0]); - motion_x = bound_motion_vector (motion_x, motion->f_code[0]); - motion->pmv[1][0] = motion->pmv[0][0] = motion_x; - - NEEDBITS (bit_buf, bits, bit_ptr); - motion_y = motion->pmv[0][1] + get_motion_delta (decoder, - motion->f_code[1]); - motion_y = bound_motion_vector (motion_y, motion->f_code[1]); - motion->pmv[1][1] = motion->pmv[0][1] = motion_y; - - MOTION (table, motion->ref[0], motion_x, motion_y, 16, 0); -#undef bit_buf -#undef bits -#undef bit_ptr -} - -static void motion_fr_field (decoder_t * const decoder, - motion_t * const motion, - mpeg2_mc_fct * const * const table) -{ -#define bit_buf (decoder->bitstream_buf) -#define bits (decoder->bitstream_bits) -#define bit_ptr (decoder->bitstream_ptr) - int motion_x, motion_y, field; - unsigned int pos_x, pos_y, xy_half, offset; - - NEEDBITS (bit_buf, bits, bit_ptr); - field = UBITS (bit_buf, 1); - DUMPBITS (bit_buf, bits, 1); - - motion_x = motion->pmv[0][0] + get_motion_delta (decoder, - motion->f_code[0]); - motion_x = bound_motion_vector (motion_x, motion->f_code[0]); - motion->pmv[0][0] = motion_x; - - NEEDBITS (bit_buf, bits, bit_ptr); - motion_y = (motion->pmv[0][1] >> 1) + get_motion_delta (decoder, - motion->f_code[1]); - /* motion_y = bound_motion_vector (motion_y, motion->f_code[1]); */ - motion->pmv[0][1] = motion_y << 1; - - MOTION_FIELD (table, motion->ref[0], motion_x, motion_y, 0, & ~1, field); - - NEEDBITS (bit_buf, bits, bit_ptr); - field = UBITS (bit_buf, 1); - DUMPBITS (bit_buf, bits, 1); - - motion_x = motion->pmv[1][0] + get_motion_delta (decoder, - motion->f_code[0]); - motion_x = bound_motion_vector (motion_x, motion->f_code[0]); - motion->pmv[1][0] = motion_x; - - NEEDBITS (bit_buf, bits, bit_ptr); - motion_y = (motion->pmv[1][1] >> 1) + get_motion_delta (decoder, - motion->f_code[1]); - /* motion_y = bound_motion_vector (motion_y, motion->f_code[1]); */ - motion->pmv[1][1] = motion_y << 1; - - MOTION_FIELD (table, motion->ref[0], motion_x, motion_y, 1, & ~1, field); -#undef bit_buf -#undef bits -#undef bit_ptr -} - -static void motion_fr_dmv (decoder_t * const decoder, motion_t * const motion, - mpeg2_mc_fct * const |