diff options
Diffstat (limited to 'src/libmpeg2new/libmpeg2/rgb.c')
| -rw-r--r-- | src/libmpeg2new/libmpeg2/rgb.c | 598 |
1 files changed, 0 insertions, 598 deletions
diff --git a/src/libmpeg2new/libmpeg2/rgb.c b/src/libmpeg2new/libmpeg2/rgb.c deleted file mode 100644 index 8863b0b9f..000000000 --- a/src/libmpeg2new/libmpeg2/rgb.c +++ /dev/null @@ -1,598 +0,0 @@ -/* - * rgb.c - * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org> - * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - * - * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. - * See http://libmpeg2.sourceforge.net/ for updates. - * - * mpeg2dec is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * mpeg2dec is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "config.h" -#include "attributes.h" - -#include <inttypes.h> - -#include "mpeg2.h" -#include "mpeg2convert.h" -#include "convert_internal.h" - -static int matrix_coefficients = 6; - -static const int Inverse_Table_6_9[8][4] = { - {117504, 138453, 13954, 34903}, /* no sequence_display_extension */ - {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */ - {104597, 132201, 25675, 53279}, /* unspecified */ - {104597, 132201, 25675, 53279}, /* reserved */ - {104448, 132798, 24759, 53109}, /* FCC */ - {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */ - {104597, 132201, 25675, 53279}, /* SMPTE 170M */ - {117579, 136230, 16907, 35559} /* SMPTE 240M (1987) */ -}; - -static const uint8_t dither[] ATTR_ALIGN(32) = { - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 15, 36, 7, 18, 21, 50, 13, 31, 17, 39, 9, 21, 22, 53, 15, 35, - 15, 36, 7, 18, 21, 50, 13, 31, 17, 39, 9, 21, 22, 53, 15, 35, - 15, 36, 7, 18, 21, 50, 13, 31, 17, 39, 9, 21, 22, 53, 15, 35, - 15, 36, 7, 18, 21, 50, 13, 31, 17, 39, 9, 21, 22, 53, 15, 35, - 3, 9, 27, 63, 1, 4, 25, 59, 5, 12, 28, 67, 3, 7, 26, 62, - 3, 9, 27, 63, 1, 4, 25, 59, 5, 12, 28, 67, 3, 7, 26, 62, - 3, 9, 27, 63, 1, 4, 25, 59, 5, 12, 28, 67, 3, 7, 26, 62, - 3, 9, 27, 63, 1, 4, 25, 59, 5, 12, 28, 67, 3, 7, 26, 62, - 19, 45, 11, 27, 17, 41, 9, 22, 21, 49, 13, 30, 19, 44, 11, 26, - 19, 45, 11, 27, 17, 41, 9, 22, 21, 49, 13, 30, 19, 44, 11, 26, - 19, 45, 11, 27, 17, 41, 9, 22, 21, 49, 13, 30, 19, 44, 11, 26, - 19, 45, 11, 27, 17, 41, 9, 22, 21, 49, 13, 30, 19, 44, 11, 26, - 0, 2, 24, 57, 6, 15, 30, 70, 0, 1, 23, 55, 6, 14, 29, 69, - 0, 2, 24, 57, 6, 15, 30, 70, 0, 1, 23, 55, 6, 14, 29, 69, - 0, 2, 24, 57, 6, 15, 30, 70, 0, 1, 23, 55, 6, 14, 29, 69, - 0, 2, 24, 57, 6, 15, 30, 70, 0, 1, 23, 55, 6, 14, 29, 69, - 16, 38, 8, 20, 22, 52, 14, 34, 16, 37, 8, 19, 21, 51, 14, 33, - 16, 38, 8, 20, 22, 52, 14, 34, 16, 37, 8, 19, 21, 51, 14, 33, - 16, 38, 8, 20, 22, 52, 14, 34, 16, 37, 8, 19, 21, 51, 14, 33, - 16, 38, 8, 20, 22, 52, 14, 34, 16, 37, 8, 19, 21, 51, 14, 33, - 4, 11, 28, 66, 2, 6, 26, 61, 4, 10, 27, 65, 2, 5, 25, 60, - 4, 11, 28, 66, 2, 6, 26, 61, 4, 10, 27, 65, 2, 5, 25, 60, - 4, 11, 28, 66, 2, 6, 26, 61, 4, 10, 27, 65, 2, 5, 25, 60, - 4, 11, 28, 66, 2, 6, 26, 61, 4, 10, 27, 65, 2, 5, 25, 60, - 20, 47, 12, 29, 18, 43, 10, 25, 20, 46, 12, 28, 18, 42, 10, 23, - 20, 47, 12, 29, 18, 43, 10, 25, 20, 46, 12, 28, 18, 42, 10, 23, - 20, 47, 12, 29, 18, 43, 10, 25, 20, 46, 12, 28, 18, 42, 10, 23, - 20, 47, 12, 29, 18, 43, 10, 25, 20, 46, 12, 28, 18, 42, 10, 23, - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 0, 0, 23, 54, 5, 13, 29, 68, 1, 3, 24, 58, 7, 17, 30, 71, - 15, 36, 7, 18, 21, 50, 13, 31, 17, 39, 9, 21, 22, 53, 15, 35, - 15, 36, 7, 18, 21, 50, 13, 31, 17, 39, 9, 21, 22, 53, 15, 35 -}; - -static const uint8_t dither_temporal[64] = { - 0x00, 0x20, 0x21, 0x01, 0x40, 0x60, 0x61, 0x41, - 0x42, 0x62, 0x63, 0x43, 0x02, 0x22, 0x23, 0x03, - 0x80, 0xa0, 0xa1, 0x81, 0xc0, 0xe0, 0xe1, 0xc1, - 0xc2, 0xe2, 0xe3, 0xc3, 0x82, 0xa2, 0xa3, 0x83, - 0x84, 0xa4, 0xa5, 0x85, 0xc4, 0xe4, 0xe5, 0xc5, - 0xc6, 0xe6, 0xe7, 0xc7, 0x86, 0xa6, 0xa7, 0x87, - 0x04, 0x24, 0x25, 0x05, 0x44, 0x64, 0x65, 0x45, - 0x46, 0x66, 0x67, 0x47, 0x06, 0x26, 0x27, 0x07 -}; - -typedef struct { - convert_rgb_t base; - void * table_rV[256]; - void * table_gU[256]; - int table_gV[256]; - void * table_bU[256]; -} convert_rgb_c_t; - -#define RGB(type,i) \ - U = pu[i]; \ - V = pv[i]; \ - r = (type *) id->table_rV[V]; \ - g = (type *) (((uint8_t *)id->table_gU[U]) + id->table_gV[V]); \ - b = (type *) id->table_bU[U]; - -#define DST(py,dst,i,j) \ - Y = py[i]; \ - dst[i] = r[Y] + g[Y] + b[Y]; - -#define DSTRGB(py,dst,i,j) \ - Y = py[i]; \ - dst[3*i] = r[Y]; dst[3*i+1] = g[Y]; dst[3*i+2] = b[Y]; - -#define DSTBGR(py,dst,i,j) \ - Y = py[i]; \ - dst[3*i] = b[Y]; dst[3*i+1] = g[Y]; dst[3*i+2] = r[Y]; - -#define DSTDITHER(py,dst,i,j) \ - Y = py[i]; \ - dst[i] = r[Y+pd[2*i+96*j]] + g[Y-pd[2*i+96*j]] + b[Y+pd[2*i+1+96*j]]; - -#define DO(x) x -#define SKIP(x) - -#define DECLARE_420(func,type,num,DST,DITHER) \ -static void func (void * _id, uint8_t * const * src, \ - unsigned int v_offset) \ -{ \ - const convert_rgb_c_t * const id = (convert_rgb_c_t *) _id; \ - type * dst_1; \ - const uint8_t * py_1, * pu, * pv; \ - int i; \ - DITHER(uint8_t dithpos = id->base.dither_offset;) \ - \ - dst_1 = (type *)(id->base.rgb_ptr + id->base.rgb_slice * v_offset); \ - py_1 = src[0]; pu = src[1]; pv = src[2]; \ - \ - i = 8; \ - do { \ - const uint8_t * py_2; \ - int j, U, V, Y; \ - const type * r, * g, * b; \ - type * dst_2; \ - DITHER(const uint8_t * const pd = dither + 2 * dithpos;) \ - \ - dst_2 = (type *)((char *)dst_1 + id->base.rgb_stride); \ - py_2 = py_1 + id->base.y_stride; \ - j = id->base.width; \ - do { \ - RGB (type, 0) \ - DST (py_1, dst_1, 0, 0) \ - DST (py_1, dst_1, 1, 0) \ - DST (py_2, dst_2, 0, 1) \ - DST (py_2, dst_2, 1, 1) \ - \ - RGB (type, 1) \ - DST (py_2, dst_2, 2, 1) \ - DST (py_2, dst_2, 3, 1) \ - DST (py_1, dst_1, 2, 0) \ - DST (py_1, dst_1, 3, 0) \ - \ - RGB (type, 2) \ - DST (py_1, dst_1, 4, 0) \ - DST (py_1, dst_1, 5, 0) \ - DST (py_2, dst_2, 4, 1) \ - DST (py_2, dst_2, 5, 1) \ - \ - RGB (type, 3) \ - DST (py_2, dst_2, 6, 1) \ - DST (py_2, dst_2, 7, 1) \ - DST (py_1, dst_1, 6, 0) \ - DST (py_1, dst_1, 7, 0) \ - \ - pu += 4; \ - pv += 4; \ - py_1 += 8; \ - py_2 += 8; \ - dst_1 += 8 * num; \ - dst_2 += 8 * num; \ - } while (--j); \ - if (--i == id->base.field) { \ - dst_1 = (type *)(id->base.rgb_ptr + \ - id->base.rgb_slice * (v_offset + 1)); \ - py_1 = src[0] + id->base.y_stride_frame; \ - pu = src[1] + id->base.uv_stride_frame; \ - pv = src[2] + id->base.uv_stride_frame; \ - } else { \ - py_1 += id->base.y_increm; \ - pu += id->base.uv_increm; \ - pv += id->base.uv_increm; \ - dst_1 = (type *)((char *)dst_1 + id->base.rgb_increm); \ - DITHER(dithpos += id->base.dither_stride;) \ - } \ - } while (i); \ -} - -DECLARE_420 (rgb_c_32_420, uint32_t, 1, DST, SKIP) -DECLARE_420 (rgb_c_24_rgb_420, uint8_t, 3, DSTRGB, SKIP) -DECLARE_420 (rgb_c_24_bgr_420, uint8_t, 3, DSTBGR, SKIP) -DECLARE_420 (rgb_c_16_420, uint16_t, 1, DST, SKIP) -DECLARE_420 (rgb_c_8_420, uint8_t, 1, DSTDITHER, DO) - -#define DECLARE_422(func,type,num,DST,DITHER) \ -static void func (void * _id, uint8_t * const * src, \ - unsigned int v_offset) \ -{ \ - const convert_rgb_c_t * const id = (convert_rgb_c_t *) _id; \ - type * dst; \ - const uint8_t * py, * pu, * pv; \ - int i; \ - DITHER(uint8_t dithpos = id->base.dither_offset;) \ - \ - dst = (type *)(id->base.rgb_ptr + id->base.rgb_stride * v_offset); \ - py = src[0]; pu = src[1]; pv = src[2]; \ - \ - i = 16; \ - do { \ - int j, U, V, Y; \ - const type * r, * g, * b; \ - DITHER(const uint8_t * const pd = dither + 2 * dithpos;) \ - \ - j = id->base.width; \ - do { \ - RGB (type, 0) \ - DST (py, dst, 0, 0) \ - DST (py, dst, 1, 0) \ - \ - RGB (type, 1) \ - DST (py, dst, 2, 0) \ - DST (py, dst, 3, 0) \ - \ - RGB (type, 2) \ - DST (py, dst, 4, 0) \ - DST (py, dst, 5, 0) \ - \ - RGB (type, 3) \ - DST (py, dst, 6, 0) \ - DST (py, dst, 7, 0) \ - \ - pu += 4; \ - pv += 4; \ - py += 8; \ - dst += 8 * num; \ - } while (--j); \ - py += id->base.y_increm; \ - pu += id->base.uv_increm; \ - pv += id->base.uv_increm; \ - dst = (type *)((char *)dst + id->base.rgb_increm); \ - DITHER(dithpos += id->base.dither_stride;) \ - } while (--i); \ -} - -DECLARE_422 (rgb_c_32_422, uint32_t, 1, DST, SKIP) -DECLARE_422 (rgb_c_24_rgb_422, uint8_t, 3, DSTRGB, SKIP) -DECLARE_422 (rgb_c_24_bgr_422, uint8_t, 3, DSTBGR, SKIP) -DECLARE_422 (rgb_c_16_422, uint16_t, 1, DST, SKIP) -DECLARE_422 (rgb_c_8_422, uint8_t, 1, DSTDITHER, DO) - -#define DECLARE_444(func,type,num,DST,DITHER) \ -static void func (void * _id, uint8_t * const * src, \ - unsigned int v_offset) \ -{ \ - const convert_rgb_c_t * const id = (convert_rgb_c_t *) _id; \ - type * dst; \ - const uint8_t * py, * pu, * pv; \ - int i; \ - DITHER(uint8_t dithpos = id->base.dither_offset;) \ - \ - dst = (type *)(id->base.rgb_ptr + id->base.rgb_stride * v_offset); \ - py = src[0]; pu = src[1]; pv = src[2]; \ - \ - i = 16; \ - do { \ - int j, U, V, Y; \ - const type * r, * g, * b; \ - DITHER(const uint8_t * const pd = dither + 2 * dithpos;) \ - \ - j = id->base.width; \ - do { \ - RGB (type, 0) \ - DST (py, dst, 0, 0) \ - RGB (type, 1) \ - DST (py, dst, 1, 0) \ - RGB (type, 2) \ - DST (py, dst, 2, 0) \ - RGB (type, 3) \ - DST (py, dst, 3, 0) \ - RGB (type, 4) \ - DST (py, dst, 4, 0) \ - RGB (type, 5) \ - DST (py, dst, 5, 0) \ - RGB (type, 6) \ - DST (py, dst, 6, 0) \ - RGB (type, 7) \ - DST (py, dst, 7, 0) \ - \ - pu += 8; \ - pv += 8; \ - py += 8; \ - dst += 8 * num; \ - } while (--j); \ - py += id->base.y_increm; \ - pu += id->base.y_increm; \ - pv += id->base.y_increm; \ - dst = (type *)((char *)dst + id->base.rgb_increm); \ - DITHER(dithpos += id->base.dither_stride;) \ - } while (--i); \ -} - -DECLARE_444 (rgb_c_32_444, uint32_t, 1, DST, SKIP) -DECLARE_444 (rgb_c_24_rgb_444, uint8_t, 3, DSTRGB, SKIP) -DECLARE_444 (rgb_c_24_bgr_444, uint8_t, 3, DSTBGR, SKIP) -DECLARE_444 (rgb_c_16_444, uint16_t, 1, DST, SKIP) -DECLARE_444 (rgb_c_8_444, uint8_t, 1, DSTDITHER, DO) - -static void rgb_start (void * _id, const mpeg2_fbuf_t * fbuf, - const mpeg2_picture_t * picture, - const mpeg2_gop_t * gop) -{ - convert_rgb_t * id = (convert_rgb_t *) _id; - int uv_stride = id->uv_stride_frame; - id->y_stride = id->y_stride_frame; - id->rgb_ptr = fbuf->buf[0]; - id->rgb_slice = id->rgb_stride = id->rgb_stride_frame; - id->dither_stride = 32; - id->dither_offset = dither_temporal[picture->temporal_reference & 63]; - id->field = 0; - if ((picture->nb_fields == 1) || - (id->chroma420 && !(picture->flags & PIC_FLAG_PROGRESSIVE_FRAME))) { - uv_stride <<= 1; - id->y_stride <<= 1; - id->rgb_stride <<= 1; - id->dither_stride <<= 1; - id->dither_offset += 16; - if (picture->nb_fields == 1) { - id->rgb_slice <<= 1; - if (!(picture->flags & PIC_FLAG_TOP_FIELD_FIRST)) { - id->rgb_ptr += id->rgb_stride_frame; - id->dither_offset += 32; - } - } else - id->field = 8 >> id->convert420; - } - id->y_increm = (id->y_stride << id->convert420) - id->y_stride_frame; - id->uv_increm = uv_stride - id->uv_stride_frame; - id->rgb_increm = (id->rgb_stride << id->convert420) - id->rgb_stride_min; - id->dither_stride <<= id->convert420; -} - -static inline int div_round (int dividend, int divisor) -{ - if (dividend > 0) - return (dividend + (divisor>>1)) / divisor; - else - return -((-dividend + (divisor>>1)) / divisor); -} - -static unsigned int rgb_c_init (convert_rgb_c_t * id, - mpeg2convert_rgb_order_t order, - unsigned int bpp) -{ - int i; - uint8_t table_Y[1024]; - uint32_t * table_32 = 0; - uint16_t * table_16 = 0; - uint8_t * table_8 = 0; - uint8_t * table_332 = 0; - int entry_size = 0; - void * table_r = 0; - void * table_g = 0; - void * table_b = 0; - - int crv = Inverse_Table_6_9[matrix_coefficients][0]; - int cbu = Inverse_Table_6_9[matrix_coefficients][1]; - int cgu = -Inverse_Table_6_9[matrix_coefficients][2]; - int cgv = -Inverse_Table_6_9[matrix_coefficients][3]; - - for (i = 0; i < 1024; i++) { - int j; - - j = (76309 * (i - 384 - 16) + 32768) >> 16; - table_Y[i] = (j < 0) ? 0 : ((j > 255) ? 255 : j); - } - - switch (bpp) { - case 32: - if (!id) - return (197 + 2*682 + 256 + 132) * sizeof (uint32_t); - table_32 = (uint32_t *) (id + 1); - entry_size = sizeof (uint32_t); - table_r = table_32 + 197; - table_b = table_32 + 197 + 685; - table_g = table_32 + 197 + 2*682; - - for (i = -197; i < 256+197; i++) - ((uint32_t *) table_r)[i] = - table_Y[i+384] << ((order == MPEG2CONVERT_RGB) ? 16 : 0); - for (i = -132; i < 256+132; i++) - ((uint32_t *) table_g)[i] = table_Y[i+384] << 8; - for (i = -232; i < 256+232; i++) - ((uint32_t *) table_b)[i] = - table_Y[i+384] << ((order == MPEG2CONVERT_RGB) ? 0 : 16); - break; - - case 24: - if (!id) - return (256 + 2*232) * sizeof (uint8_t); - table_8 = (uint8_t *) (id + 1); - entry_size = sizeof (uint8_t); - table_r = table_g = table_b = table_8 + 232; - - for (i = -232; i < 256+232; i++) - ((uint8_t * )table_b)[i] = table_Y[i+384]; - break; - - case 15: - case 16: - if (!id) - return (197 + 2*682 + 256 + 132) * sizeof (uint16_t); - table_16 = (uint16_t *) (id + 1); - entry_size = sizeof (uint16_t); - table_r = table_16 + 197; - table_b = table_16 + 197 + 685; - table_g = table_16 + 197 + 2*682; - - for (i = -197; i < 256+197; i++) { - int j = table_Y[i+384] >> 3; - - if (order == MPEG2CONVERT_RGB) - j <<= ((bpp==16) ? 11 : 10); - - ((uint16_t *)table_r)[i] = j; - } - for (i = -132; i < 256+132; i++) { - int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3); - - ((uint16_t *)table_g)[i] = j << 5; - } - for (i = -232; i < 256+232; i++) { - int j = table_Y[i+384] >> 3; - - if (order == MPEG2CONVERT_BGR) - j <<= ((bpp==16) ? 11 : 10); - - ((uint16_t *)table_b)[i] = j; - } - break; - - case 8: - if (!id) - return (197 + 2*682 + 256 + 232 + 71) * sizeof (uint8_t); - table_332 = (uint8_t *) (id + 1); - entry_size = sizeof (uint8_t); - table_r = table_332 + 197; - table_g = table_332 + 197 + 682 + 30; - table_b = table_332 + 197 + 2*682; - - for (i = -197; i < 256+197+30; i++) - ((uint8_t *)table_r)[i] = ((table_Y[i+384] * 7 / 255) << - (order == MPEG2CONVERT_RGB ? 5 : 0)); - for (i = -132; i < 256+132+30; i++) - ((uint8_t *)table_g)[i-30] = ((table_Y[i+384] * 7 / 255) << - (order == MPEG2CONVERT_RGB ? 2 : 3)); - for (i = -232; i < 256+232+71; i++) - ((uint8_t *)table_b)[i] = ((table_Y[i+384] / 85) << - (order == MPEG2CONVERT_RGB ? 0 : 6)); - break; - } - - for (i = 0; i < 256; i++) { - id->table_rV[i] = (((uint8_t *)table_r) + - entry_size * div_round (crv * (i-128), 76309)); - id->table_gU[i] = (((uint8_t *)table_g) + - entry_size * div_round (cgu * (i-128), 76309)); - id->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309); - id->table_bU[i] = (((uint8_t *)table_b) + - entry_size * div_round (cbu * (i-128), 76309)); - } - - return 0; -} - -static int rgb_internal (mpeg2convert_rgb_order_t order, unsigned int bpp, - int stage, void * _id, const mpeg2_sequence_t * seq, - int stride, uint32_t accel, void * arg, - mpeg2_convert_init_t * result) -{ - convert_rgb_t * id = (convert_rgb_t *) _id; - mpeg2convert_copy_t * copy = (mpeg2convert_copy_t *) 0; - unsigned int id_size = sizeof (convert_rgb_t); - int chroma420 = (seq->chroma_height < seq->height); - int convert420 = 0; - int rgb_stride_min = ((bpp + 7) >> 3) * seq->width; - -#ifdef ARCH_X86 - if (!copy && (accel & MPEG2_ACCEL_X86_MMXEXT)) { - convert420 = 0; - copy = mpeg2convert_rgb_mmxext (order, bpp, seq); - } - if (!copy && (accel & MPEG2_ACCEL_X86_MMX)) { - convert420 = 0; - copy = mpeg2convert_rgb_mmx (order, bpp, seq); - } -#endif -#ifdef ARCH_SPARC - if (!copy && (accel & MPEG2_ACCEL_SPARC_VIS)) { - convert420 = chroma420; - copy = mpeg2convert_rgb_vis (order, bpp, seq); - } -#endif - if (!copy) { - int src, dest; - static void (* rgb_c[3][5]) (void *, uint8_t * const *, - unsigned int) = - {{rgb_c_24_bgr_420, rgb_c_8_420, rgb_c_16_420, - rgb_c_24_rgb_420, rgb_c_32_420}, - {rgb_c_24_bgr_422, rgb_c_8_422, rgb_c_16_422, - rgb_c_24_rgb_422, rgb_c_32_422}, - {rgb_c_24_bgr_444, rgb_c_8_444, rgb_c_16_444, - rgb_c_24_rgb_444, rgb_c_32_444}}; - - convert420 = chroma420; - id_size = (sizeof (convert_rgb_c_t) + - rgb_c_init ((convert_rgb_c_t *) id, order, bpp)); - src = ((seq->chroma_width == seq->width) + - (seq->chroma_height == seq->height)); - dest = ((bpp == 24 && order == MPEG2CONVERT_BGR) ? 0 : (bpp + 7) >> 3); - copy = rgb_c[src][dest]; - } - - result->id_size = id_size; - - if (stride < rgb_stride_min) - stride = rgb_stride_min; - - if (stage == MPEG2_CONVERT_STRIDE) - return stride; - else if (stage == MPEG2_CONVERT_START) { - id->width = seq->width >> 3; - id->y_stride_frame = seq->width; - id->uv_stride_frame = seq->chroma_width; - id->rgb_stride_frame = stride; - id->rgb_stride_min = rgb_stride_min; - id->chroma420 = chroma420; - id->convert420 = convert420; - result->buf_size[0] = stride * seq->height; - result->buf_size[1] = result->buf_size[2] = 0; - result->start = rgb_start; - result->copy = copy; - } - return 0; -} - -#define DECLARE(func,order,bpp) \ -int func (int stage, void * id, \ - const mpeg2_sequence_t * sequence, int stride, \ - uint32_t accel, void * arg, mpeg2_convert_init_t * result) \ -{ \ - return rgb_internal (order, bpp, stage, id, sequence, stride, \ - accel, arg, result); \ -} - -DECLARE (mpeg2convert_rgb32, MPEG2CONVERT_RGB, 32) -DECLARE (mpeg2convert_rgb24, MPEG2CONVERT_RGB, 24) -DECLARE (mpeg2convert_rgb16, MPEG2CONVERT_RGB, 16) -DECLARE (mpeg2convert_rgb15, MPEG2CONVERT_RGB, 15) -DECLARE (mpeg2convert_rgb8, MPEG2CONVERT_RGB, 8) -DECLARE (mpeg2convert_bgr32, MPEG2CONVERT_BGR, 32) -DECLARE (mpeg2convert_bgr24, MPEG2CONVERT_BGR, 24) -DECLARE (mpeg2convert_bgr16, MPEG2CONVERT_BGR, 16) -DECLARE (mpeg2convert_bgr15, MPEG2CONVERT_BGR, 15) -DECLARE (mpeg2convert_bgr8, MPEG2CONVERT_BGR, 8) - -mpeg2_convert_t * mpeg2convert_rgb (mpeg2convert_rgb_order_t order, - unsigned int bpp) -{ - static mpeg2_convert_t * table[5][2] = - {{mpeg2convert_rgb15, mpeg2convert_bgr15}, - {mpeg2convert_rgb8, mpeg2convert_bgr8}, - {mpeg2convert_rgb16, mpeg2convert_bgr16}, - {mpeg2convert_rgb24, mpeg2convert_bgr24}, - {mpeg2convert_rgb32, mpeg2convert_bgr32}}; - - if (order == MPEG2CONVERT_RGB || order == MPEG2CONVERT_BGR) { - if (bpp == 15) - return table[0][order == MPEG2CONVERT_BGR]; - else if (bpp >= 8 && bpp <= 32 && (bpp & 7) == 0) - return table[bpp >> 3][order == MPEG2CONVERT_BGR]; - } - return (mpeg2_convert_t *) 0; -} |