diff options
Diffstat (limited to 'src/libxinevdec/bitplane.c')
-rw-r--r-- | src/libxinevdec/bitplane.c | 1586 |
1 files changed, 0 insertions, 1586 deletions
diff --git a/src/libxinevdec/bitplane.c b/src/libxinevdec/bitplane.c deleted file mode 100644 index 76b7c8a89..000000000 --- a/src/libxinevdec/bitplane.c +++ /dev/null @@ -1,1586 +0,0 @@ -/* - * Copyright (C) 2004 the xine project - * - * This file is part of xine, a free video player. - * - * xine 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. - * - * xine 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * Bitplane "Decoder" by Manfred Tremmel (Manfred.Tremmel@iiv.de) - * Converts Amiga typical bitplane pictures to a YUV2 map - * suitable for display under xine. It's based on the rgb-decoder - * and the development documentation from the Amiga Developer CD - * - * Supported formats: - * - uncompressed and byterun1 compressed ILBM data - * - IFF ANIM compression methods OPT 5, 7 (long and short) and - * 8 (long and short) - * - untested (found no testfiles) IFF-ANIM OPT 3, 4 and 6 - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <unistd.h> - -#include "xine_internal.h" -#include "video_out.h" -#include "buffer.h" -#include "xineutils.h" -#include "bswap.h" - -#include "demuxers/iff.h" - -#define IFF_REPLACE_BYTE_SIMPLE(ptr, old_data, new_data, colorindexx ) { \ - register uint8_t *index_ptr = ptr; \ - register uint8_t colorindex = colorindexx; \ - *index_ptr -= ((old_data & 0x80) ? colorindex : 0); \ - *index_ptr++ += ((new_data & 0x80) ? colorindex : 0); \ - *index_ptr -= ((old_data & 0x40) ? colorindex : 0); \ - *index_ptr++ += ((new_data & 0x40) ? colorindex : 0); \ - *index_ptr -= ((old_data & 0x20) ? colorindex : 0); \ - *index_ptr++ += ((new_data & 0x20) ? colorindex : 0); \ - *index_ptr -= ((old_data & 0x10) ? colorindex : 0); \ - *index_ptr++ += ((new_data & 0x10) ? colorindex : 0); \ - *index_ptr -= ((old_data & 0x08) ? colorindex : 0); \ - *index_ptr++ += ((new_data & 0x08) ? colorindex : 0); \ - *index_ptr -= ((old_data & 0x04) ? colorindex : 0); \ - *index_ptr++ += ((new_data & 0x04) ? colorindex : 0); \ - *index_ptr -= ((old_data & 0x02) ? colorindex : 0); \ - *index_ptr++ += ((new_data & 0x02) ? colorindex : 0); \ - *index_ptr -= ((old_data & 0x01) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x01) ? colorindex : 0); \ - old_data = new_data; \ -} - -#define IFF_REPLACE_BYTE(ptr, yuvy, yuvu, yuvv, yuv_palette, old_data, new_data, colorindexx ) { \ - register uint8_t *index_ptr = ptr; \ - register uint8_t colorindex = colorindexx; \ - register uint8_t *yuv_y = yuvy; \ - register uint8_t *yuv_u = yuvu; \ - register uint8_t *yuv_v = yuvv; \ - *index_ptr -= ((old_data & 0x80) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x80) ? colorindex : 0); \ - yuv_index = *index_ptr++ * 4; \ - *yuv_y++ = yuv_palette[yuv_index++]; \ - *yuv_u++ = yuv_palette[yuv_index++]; \ - *yuv_v++ = yuv_palette[yuv_index]; \ - *index_ptr -= ((old_data & 0x40) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x40) ? colorindex : 0); \ - yuv_index = *index_ptr++ * 4; \ - *yuv_y++ = yuv_palette[yuv_index++]; \ - *yuv_u++ = yuv_palette[yuv_index++]; \ - *yuv_v++ = yuv_palette[yuv_index]; \ - *index_ptr -= ((old_data & 0x20) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x20) ? colorindex : 0); \ - yuv_index = *index_ptr++ * 4; \ - *yuv_y++ = yuv_palette[yuv_index++]; \ - *yuv_u++ = yuv_palette[yuv_index++]; \ - *yuv_v++ = yuv_palette[yuv_index]; \ - *index_ptr -= ((old_data & 0x10) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x10) ? colorindex : 0); \ - yuv_index = *index_ptr++ * 4; \ - *yuv_y++ = yuv_palette[yuv_index++]; \ - *yuv_u++ = yuv_palette[yuv_index++]; \ - *yuv_v++ = yuv_palette[yuv_index]; \ - *index_ptr -= ((old_data & 0x08) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x08) ? colorindex : 0); \ - yuv_index = *index_ptr++ * 4; \ - *yuv_y++ = yuv_palette[yuv_index++]; \ - *yuv_u++ = yuv_palette[yuv_index++]; \ - *yuv_v++ = yuv_palette[yuv_index]; \ - *index_ptr -= ((old_data & 0x04) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x04) ? colorindex : 0); \ - yuv_index = *index_ptr++ * 4; \ - *yuv_y++ = yuv_palette[yuv_index++]; \ - *yuv_u++ = yuv_palette[yuv_index++]; \ - *yuv_v++ = yuv_palette[yuv_index]; \ - *index_ptr -= ((old_data & 0x02) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x02) ? colorindex : 0); \ - yuv_index = *index_ptr++ * 4; \ - *yuv_y++ = yuv_palette[yuv_index++]; \ - *yuv_u++ = yuv_palette[yuv_index++]; \ - *yuv_v++ = yuv_palette[yuv_index]; \ - *index_ptr -= ((old_data & 0x01) ? colorindex : 0); \ - *index_ptr += ((new_data & 0x01) ? colorindex : 0); \ - yuv_index = *index_ptr * 4; \ - *yuv_y = yuv_palette[yuv_index++]; \ - *yuv_u = yuv_palette[yuv_index++]; \ - *yuv_v = yuv_palette[yuv_index]; \ - old_data = new_data; \ -} - -#define IFF_REPLACE_SHORT_SIMPLE(ptr_s, old_data_s, new_data_s, colorindexx_s ) { \ - uint8_t *xindex_ptr = (uint8_t *)ptr_s; \ - uint8_t *xold_data = (uint8_t *)old_data_s; \ - uint8_t *xnew_data = (uint8_t *)new_data_s; \ - IFF_REPLACE_BYTE_SIMPLE(xindex_ptr, *xold_data, *xnew_data, colorindexx_s ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - IFF_REPLACE_BYTE_SIMPLE(xindex_ptr, *xold_data, *xnew_data, colorindexx_s ); \ -} - -#define IFF_REPLACE_SHORT(ptr_s, yuvy_s, yuvu_s, yuvv_s, yuv_palette_s, old_data_s, new_data_s, colorindexx_s ) { \ - uint8_t *xindex_ptr = (uint8_t *)ptr_s; \ - uint8_t *xold_data = (uint8_t *)old_data_s; \ - uint8_t *xnew_data = (uint8_t *)new_data_s; \ - uint8_t *xyuv_y = yuvy_s; \ - uint8_t *xyuv_u = yuvu_s; \ - uint8_t *xyuv_v = yuvv_s; \ - IFF_REPLACE_BYTE(xindex_ptr, xyuv_y, xyuv_u, xyuv_v, yuv_palette_s, *xold_data, *xnew_data, colorindexx_s ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - xyuv_y += 8; \ - xyuv_u += 8; \ - xyuv_v += 8; \ - IFF_REPLACE_BYTE(xindex_ptr, xyuv_y, xyuv_u, xyuv_v, yuv_palette_s, *xold_data, *xnew_data, colorindexx_s ); \ -} - -#define IFF_REPLACE_LONG_SIMPLE(ptr_l, old_data_l, new_data_l, colorindexx_l ) { \ - uint8_t *xindex_ptr = (uint8_t *)ptr_l; \ - uint8_t *xold_data = (uint8_t *)old_data_l; \ - uint8_t *xnew_data = (uint8_t *)new_data_l; \ - IFF_REPLACE_BYTE_SIMPLE(xindex_ptr, *xold_data, *xnew_data, colorindexx_l ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - IFF_REPLACE_BYTE_SIMPLE(xindex_ptr, *xold_data, *xnew_data, colorindexx_l ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - IFF_REPLACE_BYTE_SIMPLE(xindex_ptr, *xold_data, *xnew_data, colorindexx_l ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - IFF_REPLACE_BYTE_SIMPLE(xindex_ptr, *xold_data, *xnew_data, colorindexx_l ); \ -} - -#define IFF_REPLACE_LONG(ptr_l, yuvy_l, yuvu_l, yuvv_l, yuv_palette_l, old_data_l, new_data_l, colorindexx_l ) { \ - uint8_t *xindex_ptr = (uint8_t *)ptr_l; \ - uint8_t *xold_data = (uint8_t *)old_data_l; \ - uint8_t *xnew_data = (uint8_t *)new_data_l; \ - uint8_t *xyuv_y = yuvy_l; \ - uint8_t *xyuv_u = yuvu_l; \ - uint8_t *xyuv_v = yuvv_l; \ - IFF_REPLACE_BYTE(xindex_ptr, xyuv_y, xyuv_u, xyuv_v, yuv_palette_l, *xold_data, *xnew_data, colorindexx_l ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - xyuv_y += 8; \ - xyuv_u += 8; \ - xyuv_v += 8; \ - IFF_REPLACE_BYTE(xindex_ptr, xyuv_y, xyuv_u, xyuv_v, yuv_palette_l, *xold_data, *xnew_data, colorindexx_l ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - xyuv_y += 8; \ - xyuv_u += 8; \ - xyuv_v += 8; \ - IFF_REPLACE_BYTE(xindex_ptr, xyuv_y, xyuv_u, xyuv_v, yuv_palette_l, *xold_data, *xnew_data, colorindexx_l ); \ - xindex_ptr += 8; \ - xold_data++; \ - xnew_data++; \ - xyuv_y += 8; \ - xyuv_u += 8; \ - xyuv_v += 8; \ - IFF_REPLACE_BYTE(xindex_ptr, xyuv_y, xyuv_u, xyuv_v, yuv_palette_l, *xold_data, *xnew_data, colorindexx_l ); \ -} - -typedef struct { - video_decoder_class_t decoder_class; -} bitplane_class_t; - -typedef struct bitplane_decoder_s { - video_decoder_t video_decoder; /* parent video decoder structure */ - - bitplane_class_t *class; - xine_stream_t *stream; - - /* these are traditional variables in a video decoder object */ - uint64_t video_step; /* frame duration in pts units */ - int decoder_ok; /* current decoder status */ - int skipframes; /* 0 = draw picture, 1 = skip it */ - int framenumber; - - unsigned char *buf; /* the accumulated buffer data */ - int bufsize; /* the maximum size of buf */ - int size; /* the current size of buf */ - int size_uk; /* size of unkompressed bitplane */ - - int width; /* the width of a video frame */ - int height; /* the height of a video frame */ - int num_pixel; /* number pixel */ - double ratio; /* the width to height ratio */ - int bytes_per_pixel; - int num_bitplanes; - int camg_mode; - int is_ham; - - unsigned char yuv_palette[256 * 4]; - unsigned char rgb_palette[256 * 4]; - yuv_planes_t yuv_planes; - yuv_planes_t yuv_planes_hist; - - uint8_t *buf_uk; /* uncompressed buffer */ - uint8_t *buf_uk_hist; /* uncompressed buffer historic */ - uint8_t *index_buf; /* index buffer (for indexed pics) */ - uint8_t *index_buf_hist;/* index buffer historic */ - -} bitplane_decoder_t; - -/* create a new buffer and decde a byterun1 decoded buffer into it */ -static uint8_t *bitplane_decode_byterun1 (uint8_t *compressed, - int size_compressed, - int size_uncompressed) { - - /* BytRun1 decompression */ - int pixel_ptr = 0; - int i = 0; - int j = 0; - - uint8_t *uncompressed = calloc(1, size_uncompressed ); - - while ( i < size_compressed && - pixel_ptr < size_uncompressed ) { - if( compressed[i] <= 127 ) { - j = compressed[i++]; - if( (i+j) > size_compressed ) { - free(uncompressed); - return NULL; - } - for( ; (j >= 0) && (pixel_ptr < size_uncompressed); j-- ) { - uncompressed[pixel_ptr++] = compressed[i++]; - } - } else if ( compressed[i] > 128 ) { - j = 256 - compressed[i++]; - if( i >= size_compressed ) { - free(uncompressed); - return NULL; - } - for( ; (j >= 0) && (pixel_ptr < size_uncompressed); j-- ) { - uncompressed[pixel_ptr++] = compressed[i]; - } - i++; - } - } - return uncompressed; -} - -/* create a new buffer with "normal" index or rgb numbers out of a bitplane */ -static void bitplane_decode_bitplane (uint8_t *bitplane_buffer, - uint8_t *index_buf, - int width, - int height, - int num_bitplanes, - int bytes_per_pixel ) { - - int rowsize = width / 8; - int pixel_ptr = 0; - int row_ptr = 0; - int palette_index = 0; - int i = 0; - int j = 0; - int row_i = 0; - int row_j = 0; - int palette_offset = 0; - int palette_index_rowsize = 0; - uint8_t color = 0; - uint8_t data = 0; - int bytes_per_pixel_8 = bytes_per_pixel * 8; - int rowsize_num_bitplanes = rowsize * num_bitplanes; - int width_bytes_per_pixel = width * bytes_per_pixel; - - for (i = 0; i < (height * width_bytes_per_pixel); index_buf[i++] = 0); - - /* decode Bitplanes to RGB/Index Numbers */ - for (row_ptr = 0; row_ptr < height; row_ptr++) { - - row_i = row_ptr * width_bytes_per_pixel; - row_j = row_ptr * rowsize_num_bitplanes; - - for (palette_index = 0; palette_index < num_bitplanes; palette_index++) { - - palette_offset = ((palette_index > 15) ? 2 : (palette_index > 7) ? 1 : 0); - color = bitplainoffeset[palette_index]; - palette_index_rowsize = palette_index * rowsize; - - for (pixel_ptr = 0; pixel_ptr < rowsize; pixel_ptr++) { - i = row_i + - (pixel_ptr * bytes_per_pixel_8) + - palette_offset; - j = row_j + palette_index_rowsize + pixel_ptr; - - data = bitplane_buffer[j]; - - index_buf[i] += ((data & 0x80) ? color : 0); - i += bytes_per_pixel; - index_buf[i] += ((data & 0x40) ? color : 0); - i += bytes_per_pixel; - index_buf[i] += ((data & 0x20) ? color : 0); - i += bytes_per_pixel; - index_buf[i] += ((data & 0x10) ? color : 0); - i += bytes_per_pixel; - index_buf[i] += ((data & 0x08) ? color : 0); - i += bytes_per_pixel; - index_buf[i] += ((data & 0x04) ? color : 0); - i += bytes_per_pixel; - index_buf[i] += ((data & 0x02) ? color : 0); - i += bytes_per_pixel; - index_buf[i] += ((data & 0x01) ? color : 0); - } - } - } -} - -/* create Buffer decode HAM6 and HAM8 to YUV color */ -static void bitplane_decode_ham (uint8_t *ham_buffer, - yuv_planes_t *yuv_planes, - int width, - int height, - int num_bitplanes, - int bytes_per_pixel, - unsigned char *rgb_palette ) { - - uint8_t *ham_buffer_work = ham_buffer; - uint8_t *ham_buffer_end = &ham_buffer[(width * height)]; - uint8_t *yuv_ptr_y = yuv_planes->y; - uint8_t *yuv_ptr_u = yuv_planes->u; - uint8_t *yuv_ptr_v = yuv_planes->v; - int i = 0; - int j = 0; - uint8_t r = 0; - uint8_t g = 0; - uint8_t b = 0; - /* position of special HAM-Bits differs in HAM6 and HAM8, detect them */ - int hambits = num_bitplanes > 6 ? 6 : 4; - /* the other bits contain the real data, dreate a mask out of it */ - int maskbits = 8 - hambits; - int mask = ( 1 << hambits ) - 1; - - for(; ham_buffer_work < ham_buffer_end; j = *ham_buffer_work++) { - i = (j & mask); - switch ( j >> hambits ) { - case HAMBITS_CMAP: - /* Take colors from palette */ - r = rgb_palette[i * 4 + 0]; - g = rgb_palette[i * 4 + 1]; - b = rgb_palette[i * 4 + 2]; - break; - case HAMBITS_BLUE: - /* keep red and green and modify blue */ - b = i << maskbits; - b |= b >> hambits; - break; - case HAMBITS_RED: - /* keep green and blue and modify red */ - r = i << maskbits; - r |= r >> hambits; - break; - case HAMBITS_GREEN: - /* keep red and blue and modify green */ - g = i << maskbits; - g |= g >> hambits; - break; - default: - break; - } - *yuv_ptr_y++ = COMPUTE_Y(r, g, b); - *yuv_ptr_u++ = COMPUTE_U(r, g, b); - *yuv_ptr_v++ = COMPUTE_V(r, g, b); - } -} - -/* decoding method 3 */ -static void bitplane_sdelta_opt_3 (bitplane_decoder_t *this) { - - uint32_t rowsize = this->width / 16; - uint32_t rowsize_all_planes = rowsize * this->num_bitplanes; - - uint32_t palette_index = 0; - uint32_t *deltadata = (uint32_t *)this->buf; - uint16_t *ptr = NULL; - uint16_t *planeptr = NULL; - uint16_t *picture_end = (uint16_t *)(&this->buf_uk[(rowsize_all_planes * 2 * this->height)]); - uint16_t *data = NULL; - uint16_t *data_end = (uint16_t *)(&this->buf[this->size]); - uint16_t *rowworkptr = NULL; - int16_t s = 0; - int16_t size = 0; - uint32_t pixel_ptr_bit = 0; - uint32_t row_ptr = 0; - uint32_t yuv_index = 0; - - /* Repeat for each plane */ - for(palette_index = 0; palette_index < this->num_bitplanes; palette_index++) { - - planeptr = (uint16_t *)(&this->buf_uk[(palette_index * rowsize * 2)]); - /* data starts at beginn of delta-Buffer + offset of the first */ - /* 32 Bit long word in the buffer. The buffer starts with 8 */ - /* of this Offset, for every bitplane (max 8) one */ - data = (uint16_t *)(&this->buf[_X_BE_32(&deltadata[palette_index])]); - if( data != (uint16_t *)this->buf ) { - /* This 8 Pointers are followd by another 8 */ - ptr = (uint16_t *)(&this->buf[_X_BE_32(&deltadata[(palette_index+8)])]); - - /* in this case, I think big/little endian is not important ;-) */ - while( *data != 0xFFFF) { - row_ptr = 0; - size = _X_BE_16(data); - data++; - if( size >= 0 ) { - rowworkptr = planeptr + size; - pixel_ptr_bit = size * 16; - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[pixel_ptr_bit], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[pixel_ptr_bit], - &this->yuv_planes.y[pixel_ptr_bit], &this->yuv_planes.u[pixel_ptr_bit], - &this->yuv_planes.v[pixel_ptr_bit], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - data++; - } else { - size = 0 - size + 2; - rowworkptr = planeptr + size; - pixel_ptr_bit = size * 16; - s = _X_BE_16(data); - data++; - while( s--) { - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[pixel_ptr_bit], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[pixel_ptr_bit], - &this->yuv_planes.y[pixel_ptr_bit], &this->yuv_planes.u[pixel_ptr_bit], - &this->yuv_planes.v[pixel_ptr_bit], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - rowworkptr++; - data++; - } - } - - - - - size = _X_BE_16(ptr); - ptr++; - if (size < 0) { - for (s = size; s < 0; s++) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - rowworkptr += rowsize_all_planes; - row_ptr++; - } - data++; - } - else { - for (s = 0; s < size; s++) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - data++; - rowworkptr += rowsize_all_planes; - row_ptr++; - } - } - } - } - } -} - -/* decoding method 4 */ -static void bitplane_set_dlta_short (bitplane_decoder_t *this) { - - uint32_t rowsize = this->width / 16; - uint32_t rowsize_all_planes = rowsize * this->num_bitplanes; - - uint32_t palette_index = 0; - uint32_t *deltadata = (uint32_t *)this->buf; - uint16_t *ptr = NULL; - uint16_t *planeptr = NULL; - uint16_t *picture_end = (uint16_t *)(&this->buf_uk[(rowsize_all_planes * 2 * this->height)]); - uint16_t *data = NULL; - uint16_t *data_end = (uint16_t *)(&this->buf[this->size]); - uint16_t *rowworkptr = NULL; - int16_t s = 0; - int16_t size = 0; - uint16_t pixel_ptr = 0; - uint32_t pixel_ptr_bit = 0; - uint32_t row_ptr = 0; - uint32_t yuv_index = 0; - - /* Repeat for each plane */ - for(palette_index = 0; palette_index < this->num_bitplanes; palette_index++) { - - planeptr = (uint16_t *)(&this->buf_uk[(palette_index * rowsize * 2)]); - /* data starts at beginn of delta-Buffer + offset of the first */ - /* 32 Bit long word in the buffer. The buffer starts with 8 */ - /* of this Offset, for every bitplane (max 8) one */ - data = (uint16_t *)(&this->buf[_X_BE_32(&deltadata[palette_index])]); - if( data != (uint16_t *)this->buf ) { - /* This 8 Pointers are followd by another 8 */ - ptr = (uint16_t *)(&this->buf[_X_BE_32(&deltadata[(palette_index+8)])]); - - /* in this case, I think big/little endian is not important ;-) */ - while( *ptr != 0xFFFF) { - pixel_ptr = _X_BE_16(ptr); - pixel_ptr_bit = pixel_ptr * 16; - row_ptr = 0; - rowworkptr = planeptr + pixel_ptr; - ptr++; - size = _X_BE_16(ptr); - ptr++; - if (size < 0) { - for (s = size; s < 0; s++) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - rowworkptr += rowsize_all_planes; - row_ptr++; - } - data++; - } else { - for (s = 0; s < size; s++) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - data++; - rowworkptr += rowsize_all_planes; - row_ptr++; - } - } - } - } - } -} - -/* decoding method 5 */ -static void bitplane_dlta_5 (bitplane_decoder_t *this) { - - uint32_t rowsize = this->width / 8; - uint32_t rowsize_all_planes = rowsize * this->num_bitplanes; - - uint32_t yuv_index = 0; - uint32_t delta_offset = 0; - uint32_t palette_index = 0; - uint32_t pixel_ptr = 0; - uint32_t pixel_ptr_bit = 0; - uint32_t row_ptr = 0; - uint32_t *deltadata = (uint32_t *)this->buf; - uint8_t *planeptr = NULL; - uint8_t *rowworkptr = NULL; - uint8_t *picture_end = this->buf_uk + (rowsize_all_planes * this->height); - uint8_t *data = NULL; - uint8_t *data_end = this->buf + this->size; - uint8_t op_count = 0; - uint8_t op = 0; - uint8_t count = 0; - - /* Repeat for each plane */ - for(palette_index = 0; palette_index < this->num_bitplanes; palette_index++) { - - planeptr = &this->buf_uk[(palette_index * rowsize)]; - /* data starts at beginn of delta-Buffer + offset of the first */ - /* 32 Bit long word in the buffer. The buffer starts with 8 */ - /* of this Offset, for every bitplane (max 8) one */ - delta_offset = _X_BE_32(&deltadata[palette_index]); - - if (delta_offset > 0) { - data = this->buf + delta_offset; - for( pixel_ptr = 0; pixel_ptr < rowsize; pixel_ptr++) { - rowworkptr = planeptr + pixel_ptr; - pixel_ptr_bit = pixel_ptr * 8; - row_ptr = 0; - /* execute ops */ - for( op_count = *data++; op_count; op_count--) { - op = *data++; - if (op & 0x80) { - /* Uniq ops */ - count = op & 0x7f; /* get count */ - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_BYTE_SIMPLE(&this->index_buf[yuv_index], - *rowworkptr, *data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_BYTE( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - *rowworkptr, *data, bitplainoffeset[palette_index] ); - } - data++; - rowworkptr += rowsize_all_planes; - row_ptr++; - } - } else { - if (op == 0) { - /* Same ops */ - count = *data++; - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_BYTE_SIMPLE(&this->index_buf[yuv_index], - *rowworkptr, *data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_BYTE( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - *rowworkptr, *data, bitplainoffeset[palette_index] ); - } - rowworkptr += rowsize_all_planes; - row_ptr++; - } - data++; - } else { - /* Skip ops */ - rowworkptr += (rowsize_all_planes * op); - row_ptr += op; - } - } - } - } - } - } -} - -/* decoding method 7 (short version) */ -static void bitplane_dlta_7_short (bitplane_decoder_t *this) { - - uint32_t rowsize = this->width / 16; - uint32_t rowsize_all_planes = rowsize * this->num_bitplanes; - - uint32_t yuv_index = 0; - uint32_t opcode_offset = 0; - uint32_t data_offset = 0; - uint32_t palette_index = 0; - uint32_t pixel_ptr = 0; - uint32_t pixel_ptr_bit = 0; - uint32_t row_ptr = 0; - uint32_t *deltadata = (uint32_t *)this->buf; - uint8_t *planeptr = NULL; - uint16_t *rowworkptr = NULL; - uint16_t *picture_end = (uint16_t *)(&this->buf_uk[(rowsize_all_planes * 2 * this->height)]); - uint16_t *data = NULL; - uint16_t *data_end = (uint16_t *)(&this->buf[this->size]); - uint8_t *op_ptr = NULL; - uint8_t op_count = 0; - uint8_t op = 0; - uint8_t count = 0; - - /* Repeat for each plane */ - for(palette_index = 0; palette_index < this->num_bitplanes; palette_index++) { - - planeptr = &this->buf_uk[(palette_index * rowsize * 2)]; - /* find opcode and data offset (up to 8 pointers, one for every bitplane */ - opcode_offset = _X_BE_32(&deltadata[palette_index]); - data_offset = _X_BE_32(&deltadata[palette_index + 8]); - - if (opcode_offset > 0 && data_offset > 0) { - data = (uint16_t *)(&this->buf[data_offset]); - op_ptr = this->buf + opcode_offset; - for( pixel_ptr = 0; pixel_ptr < rowsize; pixel_ptr++) { - rowworkptr = (uint16_t *)(&planeptr[pixel_ptr * 2]); - pixel_ptr_bit = pixel_ptr * 16; - row_ptr = 0; - /* execute ops */ - for( op_count = *op_ptr++; op_count; op_count--) { - op = *op_ptr++; - if (op & 0x80) { - /* Uniq ops */ - count = op & 0x7f; /* get count */ - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - data++; - rowworkptr += rowsize_all_planes; - row_ptr++; - } - } else { - if (op == 0) { - /* Same ops */ - count = *op_ptr++; - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - rowworkptr += rowsize_all_planes; - row_ptr++; - } - data++; - } else { - /* Skip ops */ - rowworkptr += (rowsize_all_planes * op); - row_ptr += op; - } - } - } - } - } - } -} - -/* decoding method 7 (long version) */ -static void bitplane_dlta_7_long (bitplane_decoder_t *this) { - - uint32_t rowsize = this->width / 32; - uint32_t rowsize_all_planes = rowsize * this->num_bitplanes; - - uint32_t yuv_index = 0; - uint32_t opcode_offset = 0; - uint32_t data_offset = 0; - uint32_t palette_index = 0; - uint32_t pixel_ptr = 0; - uint32_t pixel_ptr_bit = 0; - uint32_t row_ptr = 0; - uint32_t *deltadata = (uint32_t *)this->buf; - uint8_t *planeptr = NULL; - uint32_t *rowworkptr = NULL; - uint32_t *picture_end = (uint32_t *)(&this->buf_uk[(rowsize_all_planes * 4 * this->height)]); - uint32_t *data = NULL; - uint32_t *data_end = (uint32_t *)(&this->buf[this->size]); - uint8_t *op_ptr = NULL; - uint8_t op_count = 0; - uint8_t op = 0; - uint8_t count = 0; - - /* Repeat for each plane */ - for(palette_index = 0; palette_index < this->num_bitplanes; palette_index++) { - planeptr = &this->buf_uk[(palette_index * rowsize * 4)]; - /* find opcode and data offset (up to 8 pointers, one for every bitplane */ - opcode_offset = _X_BE_32(&deltadata[palette_index]); - data_offset = _X_BE_32(&deltadata[palette_index + 8]); - - if (opcode_offset > 0 && data_offset > 0) { - data = (uint32_t *)(&this->buf[data_offset]); - op_ptr = this->buf + opcode_offset; - for( pixel_ptr = 0; pixel_ptr < rowsize; pixel_ptr++) { - rowworkptr = (uint32_t *)(&planeptr[pixel_ptr * 4]); - pixel_ptr_bit = pixel_ptr * 32; - row_ptr = 0; - /* execute ops */ - for( op_count = *op_ptr++; op_count; op_count--) { - op = *op_ptr++; - if (op & 0x80) { - /* Uniq ops */ - count = op & 0x7f; /* get count */ - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_LONG_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_LONG( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - data++; - rowworkptr += rowsize_all_planes; - row_ptr++; - } - } else { - if (op == 0) { - /* Same ops */ - count = *op_ptr++; - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_LONG_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_LONG( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - rowworkptr += rowsize_all_planes; - row_ptr++; - } - data++; - } else { - /* Skip ops */ - rowworkptr += (rowsize_all_planes * op); - row_ptr += op; - } - } - } - } - } - } -} - -/* decoding method 8 short */ -static void bitplane_dlta_8_short (bitplane_decoder_t *this) { - - uint32_t rowsize = this->width / 16; - uint32_t rowsize_all_planes = rowsize * this->num_bitplanes; - - uint32_t yuv_index = 0; - uint32_t delta_offset = 0; - uint32_t palette_index = 0; - uint32_t pixel_ptr = 0; - uint32_t row_ptr = 0; - uint32_t pixel_ptr_bit = 0; - uint32_t *deltadata = (uint32_t *)this->buf; - uint16_t *planeptr = NULL; - uint16_t *rowworkptr = NULL; - uint16_t *picture_end = (uint16_t *)(&this->buf_uk[(rowsize_all_planes * 2 * this->height)]); - uint16_t *data = NULL; - uint16_t *data_end = (uint16_t *)(&this->buf[this->size]); - uint16_t op_count = 0; - uint16_t op = 0; - uint16_t count = 0; - - /* Repeat for each plane */ - for(palette_index = 0; palette_index < this->num_bitplanes; palette_index++) { - - planeptr = (uint16_t *)(&this->buf_uk[(palette_index * rowsize * 2)]); - /* data starts at beginn of delta-Buffer + offset of the first */ - /* 32 Bit long word in the buffer. The buffer starts with 8 */ - /* of this Offset, for every bitplane (max 8) one */ - delta_offset = _X_BE_32(&deltadata[palette_index]); - - if (delta_offset > 0) { - data = (uint16_t *)(&this->buf[delta_offset]); - for( pixel_ptr = 0; pixel_ptr < rowsize; pixel_ptr++) { - rowworkptr = planeptr + pixel_ptr; - pixel_ptr_bit = pixel_ptr * 16; - row_ptr = 0; - /* execute ops */ - op_count = _X_BE_16(data); - data++; - for( ; op_count; op_count--) { - op = _X_BE_16(data); - data++; - if (op & 0x8000) { - /* Uniq ops */ - count = op & 0x7fff; /* get count */ - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - data++; - rowworkptr += rowsize_all_planes; - row_ptr++; - } - } else { - if (op == 0) { - /* Same ops */ - count = _X_BE_16(data); - data++; - while(count--) { - if (data > data_end || rowworkptr > picture_end) - return; - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_SHORT_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_SHORT( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - rowworkptr += rowsize_all_planes; - row_ptr++; - } - data++; - } else { - /* Skip ops */ - rowworkptr += (rowsize_all_planes * op); - row_ptr += op; - } - } - } - } - } - } -} - -/* decoding method 8 long */ -static void bitplane_dlta_8_long (bitplane_decoder_t *this) { - - uint32_t rowsize = this->width / 32; - uint32_t rowsize_all_planes = rowsize * this->num_bitplanes; - - uint32_t yuv_index = 0; - uint32_t delta_offset = 0; - uint32_t palette_index = 0; - uint32_t pixel_ptr = 0; - uint32_t pixel_ptr_bit = 0; - uint32_t row_ptr = 0; - uint32_t *deltadata = (uint32_t *)this->buf; - uint32_t *planeptr = NULL; - uint32_t *rowworkptr = NULL; - uint32_t *picture_end = (uint32_t *)(&this->buf_uk[(rowsize_all_planes * 4 * this->height)]); - uint32_t *data = NULL; - uint32_t *data_end = (uint32_t *)(&this->buf[this->size]); - uint32_t op_count = 0; - uint32_t op = 0; - uint32_t count = 0; - - /* Repeat for each plane */ - for(palette_index = 0; palette_index < this->num_bitplanes; palette_index++) { - - planeptr = (uint32_t *)(&this->buf_uk[(palette_index * rowsize * 4)]); - /* data starts at beginn of delta-Buffer + offset of the first */ - /* 32 Bit long word in the buffer. The buffer starts with 8 */ - /* of this Offset, for every bitplane (max 8) one */ - delta_offset = _X_BE_32(&deltadata[palette_index]); - - if (delta_offset > 0) { - data = (uint32_t *)(&this->buf[delta_offset]); - for( pixel_ptr = 0; pixel_ptr < rowsize; pixel_ptr++) { - rowworkptr = planeptr + pixel_ptr; - pixel_ptr_bit = pixel_ptr * 32; - row_ptr = 0; - /* execute ops */ - op_count = _X_BE_32(data); - data++; - for( ; op_count; op_count--) { - op = _X_BE_32(data); - data++; - if (op & 0x80000000) { - /* Uniq ops */ - count = op & 0x7fffffff; /* get count */ - while(count--) { - if (data <= data_end || rowworkptr <= picture_end) { - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_LONG_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_LONG( &this->index_buf[((row_ptr * this->width) + pixel_ptr_bit)], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - } - data++; - rowworkptr += rowsize_all_planes; - row_ptr++; - } - } else { - if (op == 0) { - /* Same ops */ - count = _X_BE_32(data); - data++; - while(count--) { - if (data <= data_end && rowworkptr <= picture_end) { - yuv_index = ((row_ptr * this->width) + pixel_ptr_bit); - if( this->is_ham ) { - IFF_REPLACE_LONG_SIMPLE(&this->index_buf[yuv_index], - rowworkptr, data, bitplainoffeset[palette_index] ); - } else { - IFF_REPLACE_LONG( &this->index_buf[yuv_index], - &this->yuv_planes.y[yuv_index], &this->yuv_planes.u[yuv_index], - &this->yuv_planes.v[yuv_index], this->yuv_palette, - rowworkptr, data, bitplainoffeset[palette_index] ); - } - } - rowworkptr += rowsize_all_planes; - row_ptr++; - } - data++; - } else { - /* Skip ops */ - rowworkptr += (rowsize_all_planes * op); - row_ptr += op; - } - } - } - } - } - } -/* bitplane_decode_bitplane(this->buf_uk, this->index_buf, this->width, this->height, this->num_bitplanes, 1);*/ -} - -static void bitplane_decode_data (video_decoder_t *this_gen, - buf_element_t *buf) { - - bitplane_decoder_t *this = (bitplane_decoder_t *) this_gen; - xine_bmiheader *bih = 0; - palette_entry_t *palette = 0; - AnimHeader *anhd = NULL; - int i = 0; - int j = 0; - int buf_ptr = 0; - unsigned char r = 0; - unsigned char g = 0; - unsigned char b = 0; - uint8_t *buf_exchange = NULL; - - vo_frame_t *img = 0; /* video out frame */ - - /* a video decoder does not care about this flag (?) */ - if (buf->decoder_flags & BUF_FLAG_PREVIEW) - return; - - if ((buf->decoder_flags & BUF_FLAG_SPECIAL) && - (buf->decoder_info[1] == BUF_SPECIAL_PALETTE)) { - palette = (palette_entry_t *)buf->decoder_info_ptr[2]; - - for (i = 0; i < buf->decoder_info[2]; i++) { - this->yuv_palette[i * 4 + 0] = - COMPUTE_Y(palette[i].r, palette[i].g, palette[i].b); - this->yuv_palette[i * 4 + 1] = - COMPUTE_U(palette[i].r, palette[i].g, palette[i].b); - this->yuv_palette[i * 4 + 2] = - COMPUTE_V(palette[i].r, palette[i].g, palette[i].b); - this->rgb_palette[i * 4 + 0] = palette[i].r; - this->rgb_palette[i * 4 + 1] = palette[i].g; - this->rgb_palette[i * 4 + 2] = palette[i].b; - } - - /* EHB Pictures not allways contain all 64 colors, sometimes only */ - /* the first 32 are included and sometimes all 64 colors are provide,*/ - /* but second 32 are only stupid dirt, so recalculate them */ - if (((this->num_bitplanes == 6) && - (buf->decoder_info[2] == 32)) || - (this->camg_mode & CAMG_EHB)) { - for (i = 32; i < 64; i++) { - this->rgb_palette[i * 4 + 0] = palette[(i-32)].r / 2; - this->rgb_palette[i * 4 + 1] = palette[(i-32)].g / 2; - this->rgb_palette[i * 4 + 2] = palette[(i-32)].b / 2; - this->yuv_palette[i * 4 + 0] = - COMPUTE_Y(this->rgb_palette[i*4+0], this->rgb_palette[i*4+1], this->rgb_palette[i*4+2]); - this->yuv_palette[i * 4 + 1] = - COMPUTE_U(this->rgb_palette[i*4+0], this->rgb_palette[i*4+1], this->rgb_palette[i*4+2]); - this->yuv_palette[i * 4 + 2] = - COMPUTE_V(this->rgb_palette[i*4+0], this->rgb_palette[i*4+1], this->rgb_palette[i*4+2]); - } - } - - return; - } - - if (buf->decoder_flags & BUF_FLAG_STDHEADER) { /* need to initialize */ - (this->stream->video_out->open) (this->stream->video_out, this->stream); - - bih = (xine_bmiheader *) buf->content; - this->width = (bih->biWidth + 15) & ~0x0f; - this->height = bih->biHeight; - this->num_pixel = this->width * this->height; - this->ratio = (double)this->width/(double)this->height; - this->video_step = buf->decoder_info[1]; - /* Palette based Formates use up to 8 Bit per pixel, always use 8 Bit if less */ - this->bytes_per_pixel = (bih->biBitCount + 1) / 8; - if( this->bytes_per_pixel < 1 ) - this->bytes_per_pixel = 1; - - /* New Buffer for indexes (palette based formats) */ - this->index_buf = calloc( this->num_pixel, this->bytes_per_pixel ); - this->index_buf_hist = calloc( this->num_pixel, this->bytes_per_pixel ); - - this->num_bitplanes = bih->biPlanes; - this->camg_mode = bih->biCompression; - if( this->camg_mode & CAMG_HAM ) - this->is_ham = 1; - else - this->is_ham = 0; - - if( buf->decoder_info[2] != buf->decoder_info[3] && - buf->decoder_info[3] > 0 ) { - this->ratio *= buf->decoder_info[2]; - this->ratio /= buf->decoder_info[3]; - } - - if( (bih->biCompression & CAMG_HIRES) && - !(bih->biCompression & CAMG_LACE) ) { - if( (buf->decoder_info[2] * 16) > (buf->decoder_info[3] * 10) ) - this->ratio /= 2.0; - } - - if( !(bih->biCompression & CAMG_HIRES) && - (bih->biCompression & CAMG_LACE) ) { - if( (buf->decoder_info[2] * 10) < (buf->decoder_info[3] * 16) ) - this->ratio *= 2.0; - } - - if (this->buf) - free (this->buf); - this->bufsize = VIDEOBUFSIZE; - this->buf = calloc(1, this->bufsize); - this->size = 0; - this->framenumber = 0; - - init_yuv_planes(&this->yuv_planes, this->width, this->height); - init_yuv_planes(&this->yuv_planes_hist, this->width, this->height); - - (this->stream->video_out->open) (this->stream->video_out, this->stream); - this->decoder_ok = 1; - - /* load the stream/meta info */ - switch( buf->type ) { - case BUF_VIDEO_BITPLANE: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Uncompressed bitplane"); - break; - case BUF_VIDEO_BITPLANE_BR1: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "ByteRun1 bitplane"); - break; - default: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Unknown bitplane"); - break; - } - - return; - } else if (this->decoder_ok) { - - this->skipframes = 0; - this->framenumber++; - if (this->size + buf->size > this->bufsize) { - this->bufsize = this->size + 2 * buf->size; - this->buf = realloc (this->buf, this->bufsize); - } - - xine_fast_memcpy (&this->buf[this->size], buf->content, buf->size); - - this->size += buf->size; - - if (buf->decoder_flags & BUF_FLAG_FRAMERATE) - this->video_step = buf->decoder_info[0]; - - if (buf->decoder_flags & BUF_FLAG_FRAME_END) { - - img = this->stream->video_out->get_frame (this->stream->video_out, - this->width, this->height, - this->ratio, XINE_IMGFMT_YUY2, - VO_BOTH_FIELDS); - - img->duration = this->video_step; - img->pts = buf->pts; - img->bad_frame = 0; - anhd = (AnimHeader *)(buf->decoder_info_ptr[0]); - - if( (this->buf_uk == NULL) || - (anhd == NULL) || - (anhd->operation == IFF_ANHD_ILBM) ) { - - /* iterate through each row */ - buf_ptr = 0; - this->size_uk = (((this->num_pixel) / 8) * this->num_bitplanes); - - if( this->buf_uk_hist != NULL ) - xine_fast_memcpy (this->buf_uk_hist, this->buf_uk, this->size_uk); - switch( buf->type ) { - case BUF_VIDEO_BITPLANE: - /* uncompressed Buffer, set decoded_buf pointer direct to input stream */ - if( this->buf_uk == NULL ) - this->buf_uk = malloc(this->size); - xine_fast_memcpy (this->buf_uk, this->buf, this->size); - break; - case BUF_VIDEO_BITPLANE_BR1: - /* create Buffer for decompressed bitmap */ - this->buf_uk = bitplane_decode_byterun1( - this->buf, /* compressed buffer */ - this->size, /* size of compressed data */ - this->size_uk ); /* size of uncompressed data */ - - if( this->buf_uk == NULL ) { - xine_log(this->stream->xine, XINE_LOG_MSG, - _("bitplane: error doing ByteRun1 decompression\n")); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HANDLED, 0); - return; - } - /* set pointer to decompressed Buffer */ - break; - default: - break; - } - bitplane_decode_bitplane( this->buf_uk, /* bitplane buffer */ - this->index_buf, /* index buffer */ - this->width, /* width */ - this->height, /* hight */ - this->num_bitplanes, /* number bitplanes */ - this->bytes_per_pixel); /* used Bytes per pixel */ - - if ((this->bytes_per_pixel == 1) && - (this->is_ham == 0) ) { - buf_exchange = this->index_buf; - for (i = 0; i < (this->height * this->width); i++) { - j = *buf_exchange++ * 4; - this->yuv_planes.y[i] = this->yuv_palette[j++]; - this->yuv_planes.u[i] = this->yuv_palette[j++]; - this->yuv_planes.v[i] = this->yuv_palette[j]; - } - } - if( this->buf_uk_hist == NULL ) { - this->buf_uk_hist = malloc(this->size_uk); - xine_fast_memcpy (this->buf_uk_hist, this->buf_uk, this->size_uk); - xine_fast_memcpy (this->index_buf_hist, this->index_buf, - (this->num_pixel * this->bytes_per_pixel)); - xine_fast_memcpy (this->yuv_planes_hist.y, this->yuv_planes.y, (this->num_pixel)); - xine_fast_memcpy (this->yuv_planes_hist.u, this->yuv_planes.u, (this->num_pixel)); - xine_fast_memcpy (this->yuv_planes_hist.v, this->yuv_planes.v, (this->num_pixel)); - } - } else { - /* when no start-picture is given, create a empty one */ - if( this->buf_uk_hist == NULL ) { - this->size_uk = (((this->num_pixel) / 8) * this->num_bitplanes); - this->buf_uk = calloc(this->num_bitplanes, ((this->num_pixel) / 8)); - this->buf_uk_hist = calloc(this->num_bitplanes, ((this->num_pixel) / 8)); - } - if( this->index_buf == NULL ) { - this->index_buf = calloc( this->num_pixel, this->bytes_per_pixel ); - this->index_buf_hist = calloc( this->num_pixel, this->bytes_per_pixel ); - } - - switch( anhd->operation ) { - /* also known as IFF-ANIM OPT1 (never seen in real world) */ - case IFF_ANHD_XOR: - xine_log(this->stream->xine, XINE_LOG_MSG, - _("bitplane: Anim Opt 1 is not supported at the moment\n")); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HANDLED, 0); - return; - break; - /* also known as IFF-ANIM OPT2 (never seen in real world) */ - case IFF_ANHD_LDELTA: - xine_log(this->stream->xine, XINE_LOG_MSG, - _("bitplane: Anim Opt 2 is not supported at the moment\n")); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HANDLED, 0); - return; - break; - /* also known as IFF-ANIM OPT3 */ - case IFF_ANHD_SDELTA: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT3"); - bitplane_sdelta_opt_3 ( this ); - return; - break; - /* also known as IFF-ANIM OPT4 (never seen in real world) */ - case IFF_ANHD_SLDELTA: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT4 (SLDELTA)"); - bitplane_set_dlta_short ( this ); - break; - /* also known as IFF-ANIM OPT5 */ - case IFF_ANHD_BVDELTA: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT5 (BVDELTA)"); - bitplane_dlta_5(this); - break; - /* IFF-ANIM OPT6 is exactly the same as OPT5, but for stereo-displays */ - /* first picture is on the left display, second on the right, third on */ - /* the left, forth on right, ... Only display left picture on mono display*/ - case IFF_ANHD_STEREOO5: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT6 (BVDELTA STEREO)"); - bitplane_dlta_5(this); - if( this->framenumber % 2 == 0 ) - this->skipframes = 1; - return; - break; - case IFF_ANHD_OPT7: - if(anhd->bits == 0) { - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT7 (SHORT)"); - bitplane_dlta_7_short(this); - } else { - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT7 (LONG)"); - bitplane_dlta_7_long(this); - } - break; - case IFF_ANHD_OPT8: - if(anhd->bits == 0) { - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT8 (SHORT)"); - bitplane_dlta_8_short(this); - } else { - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_VIDEOCODEC, "Anim OPT8 (LONG)"); - bitplane_dlta_8_long(this); - } - break; - case IFF_ANHD_ASCIIJ: - xine_log(this->stream->xine, XINE_LOG_MSG, - _("bitplane: Anim ASCIIJ is not supported at the moment\n")); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HANDLED, 0); - return; - break; - default: - xine_log(this->stream->xine, XINE_LOG_MSG, - _("bitplane: This anim-type is not supported at the moment\n")); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HANDLED, 0); - return; - break; - } - /* change old bitmap buffer (which now is the new one) with new buffer */ - buf_exchange = this->buf_uk; - this->buf_uk = this->buf_uk_hist; - this->buf_uk_hist = buf_exchange; - /* do the same with the index buffer */ - buf_exchange = this->index_buf; - this->index_buf = this->index_buf_hist; - this->index_buf_hist = buf_exchange; - /* and also with yuv buffer */ - buf_exchange = this->yuv_planes.y; - this->yuv_planes.y = this->yuv_planes_hist.y; - this->yuv_planes_hist.y = buf_exchange; - buf_exchange = this->yuv_planes.u; - this->yuv_planes.u = this->yuv_planes_hist.u; - this->yuv_planes_hist.u = buf_exchange; - buf_exchange = this->yuv_planes.v; - this->yuv_planes.v = this->yuv_planes_hist.v; - this->yuv_planes_hist.v = buf_exchange; - } - - if( this->skipframes == 0 ) { - switch (this->bytes_per_pixel) { - case 1: - /* HAM-pictrues need special handling */ - if( this->is_ham ) { - /* Decode HAM-Pictures to YUV */ - bitplane_decode_ham( this->index_buf, /* HAM-bitplane buffer */ - &(this->yuv_planes), /* YUV buffer */ - this->width, /* width */ - this->height, /* hight */ - this->num_bitplanes, /* number bitplanes */ - this->bytes_per_pixel, /* used Bytes per pixel */ - this->rgb_palette); /* Palette (RGB) */ - } - break; - case 3: - buf_exchange = this->index_buf; - for (i = 0; i < (this->height * this->width); i++) { - r = *buf_exchange++; - g = *buf_exchange++; - b = *buf_exchange++; - - this->yuv_planes.y[i] = COMPUTE_Y(r, g, b); - this->yuv_planes.u[i] = COMPUTE_U(r, g, b); - this->yuv_planes.v[i] = COMPUTE_V(r, g, b); - } - break; - default: - break; - } - - yuv444_to_yuy2(&this->yuv_planes, img->base[0], img->pitches[0]); - - img->draw(img, this->stream); - } - img->free(img); - - this->size = 0; - if ( buf->decoder_info[1] > 90000 ) - xine_usec_sleep(buf->decoder_info[1]); - } - } -} - -/* - * This function is called when xine needs to flush the system. Not - * sure when or if this is used or even if it needs to do anything. - */ -static void bitplane_flush (video_decoder_t *this_gen) { -} - -/* - * This function resets the video decoder. - */ -static void bitplane_reset (video_decoder_t *this_gen) { - bitplane_decoder_t *this = (bitplane_decoder_t *) this_gen; - - this->size = 0; -} - -static void bitplane_discontinuity (video_decoder_t *this_gen) { -} - -/* - * This function frees the video decoder instance allocated to the decoder. - */ -static void bitplane_dispose (video_decoder_t *this_gen) { - bitplane_decoder_t *this = (bitplane_decoder_t *) this_gen; - - if (this->buf) { - free (this->buf); - this->buf = NULL; - } - - if (this->buf_uk) { - free (this->buf_uk); - this->buf_uk = NULL; - } - - if (this->buf_uk_hist) { - free (this->buf_uk_hist); - this->buf_uk_hist = NULL; - } - - if (this->index_buf) { - free (this->index_buf); - this->index_buf = NULL; - } - - if (this->index_buf_hist) { - free (this->index_buf_hist); - this->index_buf_hist = NULL; - } - - if (this->index_buf) { - free (this->index_buf); - this->index_buf = NULL; - } - - if (this->decoder_ok) { - this->decoder_ok = 0; - this->stream->video_out->close(this->stream->video_out, this->stream); - } - - free (this_gen); -} - -static video_decoder_t *open_plugin (video_decoder_class_t *class_gen, xine_stream_t *stream) { - - bitplane_decoder_t *this = (bitplane_decoder_t *) calloc(1, sizeof(bitplane_decoder_t)); - - this->video_decoder.decode_data = bitplane_decode_data; - this->video_decoder.flush = bitplane_flush; - this->video_decoder.reset = bitplane_reset; - this->video_decoder.discontinuity = bitplane_discontinuity; - this->video_decoder.dispose = bitplane_dispose; - this->size = 0; - - this->stream = stream; - this->class = (bitplane_class_t *) class_gen; - - this->decoder_ok = 0; - this->buf = NULL; - this->buf_uk = NULL; - this->index_buf = NULL; - this->index_buf = NULL; - - return &this->video_decoder; -} - -static char *get_identifier (video_decoder_class_t *this) { - return "bitplane"; -} - -static char *get_description (video_decoder_class_t *this) { - return "Raw bitplane video decoder plugin"; -} - -static void dispose_class (video_decoder_class_t *this) { - free (this); -} - -static void *init_plugin (xine_t *xine, void *data) { - - bitplane_class_t *this = (bitplane_class_t *) calloc(1, sizeof(bitplane_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.get_identifier = get_identifier; - this->decoder_class.get_description = get_description; - this->decoder_class.dispose = dispose_class; - - return this; -} - -/* - * exported plugin catalog entry - */ - -static const uint32_t video_types[] = { - BUF_VIDEO_BITPLANE, - BUF_VIDEO_BITPLANE_BR1, - 0 -}; - -static const decoder_info_t dec_info_video = { - video_types, /* supported types */ - 1 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* type, API, "name", version, special_info, init_function */ - { PLUGIN_VIDEO_DECODER, 18, "bitplane", XINE_VERSION_CODE, &dec_info_video, init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; |