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/****************************************************************************** |
/***************************************************************************** |
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* * |
* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder * |
* XVID MPEG-4 VIDEO CODEC |
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* * |
* - Bitstream reader/writer - |
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* XviD is an implementation of a part of one or more MPEG-4 Video tools * |
* |
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* as specified in ISO/IEC 14496-2 standard. Those intending to use this * |
* Copyright (C) 2001-2003 Peter Ross <pross@xvid.org> |
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* software module in hardware or software products are advised that its * |
* 2003 Cristoph Lampert <gruel@web.de> |
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* use may infringe existing patents or copyrights, and any such use * |
* |
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* would be at such party's own risk. The original developer of this * |
* This program is free software ; you can redistribute it and/or modify |
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* software module and his/her company, and subsequent editors and their * |
* it under the terms of the GNU General Public License as published by |
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* companies, will have no liability for use of this software or * |
* the Free Software Foundation ; either version 2 of the License, or |
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* modifications or derivatives thereof. * |
* (at your option) any later version. |
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* * |
* |
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* XviD is free software; you can redistribute it and/or modify it * |
* This program is distributed in the hope that it will be useful, |
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* under the terms of the GNU General Public License as published by * |
* but WITHOUT ANY WARRANTY ; without even the implied warranty of |
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* the Free Software Foundation; either version 2 of the License, or * |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* (at your option) any later version. * |
* GNU General Public License for more details. |
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* * |
* |
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* XviD is distributed in the hope that it will be useful, but * |
* You should have received a copy of the GNU General Public License |
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* WITHOUT ANY WARRANTY; without even the implied warranty of * |
* along with this program ; if not, write to the Free Software |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* GNU General Public License for more details. * |
* |
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* * |
* $Id: bitstream.c,v 1.46 2004-09-04 14:16:24 edgomez Exp $ |
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* You should have received a copy of the GNU General Public License * |
* |
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* along with this program; if not, write to the Free Software * |
****************************************************************************/ |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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* * |
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******************************************************************************/ |
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/****************************************************************************** |
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* * |
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* bitstream.c * |
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* * |
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* Copyright (C) 2001 - Peter Ross <pross@cs.rmit.edu.au> * |
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* * |
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* For more information visit the XviD homepage: http://www.xvid.org * |
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* * |
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******************************************************************************/ |
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/****************************************************************************** |
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* * |
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* Revision history: * |
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* * |
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* 05.01.2003 GMC support - gruel * |
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* 04.10.2002 qpel support - Isibaar * |
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* 11.07.2002 add VOP width & height return to dec when dec->width * |
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* or dec->height is 0 (for use in examples/ex1.c) * |
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* MinChen <chenm001@163.com> * |
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* 22.05.2002 bs_put_matrix fix * |
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* 20.05.2002 added BitstreamWriteUserData * |
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* 19.06.2002 Fix a little bug in use custom quant matrix * |
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* MinChen <chenm001@163.com> * |
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* 08.05.2002 add low_delay support for B_VOP decode * |
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* MinChen <chenm001@163.com> * |
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* 06.05.2002 low_delay * |
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* 06.05.2002 fixed fincr/fbase error * |
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* 01.05.2002 added BVOP support to BitstreamWriteVopHeader * |
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* 15.04.2002 rewrite log2bin use asm386 By MinChen <chenm001@163.com> * |
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* 26.03.2002 interlacing support * |
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* 03.03.2002 qmatrix writing * |
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* 03.03.2002 merged BITREADER and BITWRITER * |
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* 30.02.2002 intra_dc_threshold support * |
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* 04.12.2001 support for additional headers * |
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* 16.12.2001 inital version * |
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* * |
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******************************************************************************/ |
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#include <string.h> |
#include <string.h> |
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#include <stdio.h> |
#include <stdio.h> |
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static uint32_t __inline |
static uint32_t __inline |
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log2bin(uint32_t value) |
log2bin(uint32_t value) |
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{ |
{ |
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/* Changed by Chenm001 */ |
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#if !defined(_MSC_VER) |
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int n = 0; |
int n = 0; |
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while (value) { |
while (value) { |
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n++; |
n++; |
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} |
} |
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return n; |
return n; |
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#else |
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__asm { |
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bsr eax, value |
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inc eax |
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} |
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#endif |
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} |
} |
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matrix[scan_tables[0][i++]] = value; |
matrix[scan_tables[0][i++]] = value; |
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} |
} |
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while (value != 0 && i < 64); |
while (value != 0 && i < 64); |
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i--; // fix little bug at coeff not full |
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if (value != 0) return; |
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i--; |
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while (i < 64) { |
while (i < 64) { |
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matrix[scan_tables[0][i++]] = last; |
matrix[scan_tables[0][i++]] = last; |
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} |
} |
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// for PVOP addbits == fcode - 1 |
/* |
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// for BVOP addbits == max(fcode,bcode) - 1 |
* for PVOP addbits == fcode - 1 |
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// returns mbpos |
* for BVOP addbits == max(fcode,bcode) - 1 |
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* returns mbpos |
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*/ |
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int |
int |
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read_video_packet_header(Bitstream *bs, |
read_video_packet_header(Bitstream *bs, |
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DECODER * dec, |
DECODER * dec, |
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BitstreamSkip(bs, BitstreamNumBitsToByteAlign(bs)); |
BitstreamSkip(bs, BitstreamNumBitsToByteAlign(bs)); |
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BitstreamSkip(bs, startcode_bits); |
BitstreamSkip(bs, startcode_bits); |
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DPRINTF(DPRINTF_STARTCODE, "<video_packet_header>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<video_packet_header>\n"); |
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if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) |
if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) |
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{ |
{ |
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} |
} |
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mbnum = BitstreamGetBits(bs, mbnum_bits); /* macroblock_number */ |
mbnum = BitstreamGetBits(bs, mbnum_bits); /* macroblock_number */ |
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DPRINTF(DPRINTF_HEADER, "mbnum %i", mbnum); |
DPRINTF(XVID_DEBUG_HEADER, "mbnum %i\n", mbnum); |
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if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) |
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{ |
{ |
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*quant = BitstreamGetBits(bs, dec->quant_bits); /* quant_scale */ |
*quant = BitstreamGetBits(bs, dec->quant_bits); /* quant_scale */ |
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DPRINTF(DPRINTF_HEADER, "quant %i", *quant); |
DPRINTF(XVID_DEBUG_HEADER, "quant %i\n", *quant); |
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} |
} |
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if (dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR) |
if (dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR) |
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hec = BitstreamGetBit(bs); /* header_extension_code */ |
hec = BitstreamGetBit(bs); /* header_extension_code */ |
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DPRINTF(DPRINTF_HEADER, "header_extension_code %i", hec); |
DPRINTF(XVID_DEBUG_HEADER, "header_extension_code %i\n", hec); |
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if (hec) |
if (hec) |
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{ |
{ |
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int time_base; |
int time_base; |
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if (dec->time_inc_bits) |
if (dec->time_inc_bits) |
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time_increment = (BitstreamGetBits(bs, dec->time_inc_bits)); /* vop_time_increment */ |
time_increment = (BitstreamGetBits(bs, dec->time_inc_bits)); /* vop_time_increment */ |
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READ_MARKER(); |
READ_MARKER(); |
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DPRINTF(DPRINTF_HEADER,"time %i:%i", time_base, time_increment); |
DPRINTF(XVID_DEBUG_HEADER,"time %i:%i\n", time_base, time_increment); |
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coding_type = BitstreamGetBits(bs, 2); |
coding_type = BitstreamGetBits(bs, 2); |
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DPRINTF(DPRINTF_HEADER,"coding_type %i", coding_type); |
DPRINTF(XVID_DEBUG_HEADER,"coding_type %i\n", coding_type); |
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if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) |
if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) |
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{ |
{ |
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if (dec->sprite_enable == SPRITE_GMC && coding_type == S_VOP && |
if (dec->sprite_enable == SPRITE_GMC && coding_type == S_VOP && |
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dec->sprite_warping_points > 0) |
dec->sprite_warping_points > 0) |
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{ |
{ |
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// TODO: sprite trajectory |
/* TODO: sprite trajectory */ |
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} |
} |
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if (dec->reduced_resolution_enable && |
if (dec->reduced_resolution_enable && |
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dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
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if (coding_type != I_VOP && fcode_forward) |
if (coding_type != I_VOP && fcode_forward) |
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{ |
{ |
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*fcode_forward = BitstreamGetBits(bs, 3); |
*fcode_forward = BitstreamGetBits(bs, 3); |
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DPRINTF(DPRINTF_HEADER,"fcode_forward %i", *fcode_forward); |
DPRINTF(XVID_DEBUG_HEADER,"fcode_forward %i\n", *fcode_forward); |
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} |
} |
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if (coding_type == B_VOP && fcode_backward) |
if (coding_type == B_VOP && fcode_backward) |
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{ |
{ |
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*fcode_backward = BitstreamGetBits(bs, 3); |
*fcode_backward = BitstreamGetBits(bs, 3); |
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DPRINTF(DPRINTF_HEADER,"fcode_backward %i", *fcode_backward); |
DPRINTF(XVID_DEBUG_HEADER,"fcode_backward %i\n", *fcode_backward); |
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} |
} |
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} |
} |
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int vop_id_for_prediction; |
int vop_id_for_prediction; |
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vop_id = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
vop_id = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
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DPRINTF(DPRINTF_HEADER, "vop_id %i", vop_id); |
DPRINTF(XVID_DEBUG_HEADER, "vop_id %i\n", vop_id); |
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if (BitstreamGetBit(bs)) /* vop_id_for_prediction_indication */ |
if (BitstreamGetBit(bs)) /* vop_id_for_prediction_indication */ |
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{ |
{ |
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vop_id_for_prediction = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
vop_id_for_prediction = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
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DPRINTF(DPRINTF_HEADER, "vop_id_for_prediction %i", vop_id_for_prediction); |
DPRINTF(XVID_DEBUG_HEADER, "vop_id_for_prediction %i\n", vop_id_for_prediction); |
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} |
} |
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READ_MARKER(); |
READ_MARKER(); |
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} |
} |
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ESTIMATION * e = &dec->estimation; |
ESTIMATION * e = &dec->estimation; |
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e->method = BitstreamGetBits(bs, 2); /* estimation_method */ |
e->method = BitstreamGetBits(bs, 2); /* estimation_method */ |
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DPRINTF(DPRINTF_HEADER,"+ complexity_estimation_header; method=%i", e->method); |
DPRINTF(XVID_DEBUG_HEADER,"+ complexity_estimation_header; method=%i\n", e->method); |
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if (e->method == 0 || e->method == 1) |
if (e->method == 0 || e->method == 1) |
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{ |
{ |
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int profile; |
int profile; |
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DPRINTF(DPRINTF_STARTCODE, "<visual_object_sequence>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<visual_object_sequence>\n"); |
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BitstreamSkip(bs, 32); // visual_object_sequence_start_code |
BitstreamSkip(bs, 32); /* visual_object_sequence_start_code */ |
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profile = BitstreamGetBits(bs, 8); // profile_and_level_indication |
profile = BitstreamGetBits(bs, 8); /* profile_and_level_indication */ |
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DPRINTF(DPRINTF_HEADER, "profile_and_level_indication %i", profile); |
DPRINTF(XVID_DEBUG_HEADER, "profile_and_level_indication %i\n", profile); |
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} else if (start_code == VISOBJSEQ_STOP_CODE) { |
} else if (start_code == VISOBJSEQ_STOP_CODE) { |
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BitstreamSkip(bs, 32); // visual_object_sequence_stop_code |
BitstreamSkip(bs, 32); /* visual_object_sequence_stop_code */ |
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DPRINTF(DPRINTF_STARTCODE, "</visual_object_sequence>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "</visual_object_sequence>\n"); |
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} else if (start_code == VISOBJ_START_CODE) { |
} else if (start_code == VISOBJ_START_CODE) { |
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int visobj_ver_id; |
int visobj_ver_id; |
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DPRINTF(DPRINTF_STARTCODE, "<visual_object>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<visual_object>\n"); |
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BitstreamSkip(bs, 32); // visual_object_start_code |
BitstreamSkip(bs, 32); /* visual_object_start_code */ |
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if (BitstreamGetBit(bs)) // is_visual_object_identified |
if (BitstreamGetBit(bs)) /* is_visual_object_identified */ |
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{ |
{ |
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visobj_ver_id = BitstreamGetBits(bs, 4); // visual_object_ver_id |
visobj_ver_id = BitstreamGetBits(bs, 4); /* visual_object_ver_id */ |
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DPRINTF(DPRINTF_HEADER,"visobj_ver_id %i", visobj_ver_id); |
DPRINTF(XVID_DEBUG_HEADER,"visobj_ver_id %i\n", visobj_ver_id); |
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BitstreamSkip(bs, 3); // visual_object_priority |
BitstreamSkip(bs, 3); /* visual_object_priority */ |
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} else { |
} else { |
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visobj_ver_id = 1; |
visobj_ver_id = 1; |
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} |
} |
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if (BitstreamShowBits(bs, 4) != VISOBJ_TYPE_VIDEO) // visual_object_type |
if (BitstreamShowBits(bs, 4) != VISOBJ_TYPE_VIDEO) /* visual_object_type */ |
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{ |
{ |
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DPRINTF(DPRINTF_ERROR, "visual_object_type != video"); |
DPRINTF(XVID_DEBUG_ERROR, "visual_object_type != video\n"); |
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return -1; |
return -1; |
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} |
} |
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BitstreamSkip(bs, 4); |
BitstreamSkip(bs, 4); |
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// video_signal_type |
/* video_signal_type */ |
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if (BitstreamGetBit(bs)) // video_signal_type |
if (BitstreamGetBit(bs)) /* video_signal_type */ |
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{ |
{ |
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DPRINTF(DPRINTF_HEADER,"+ video_signal_type"); |
DPRINTF(XVID_DEBUG_HEADER,"+ video_signal_type\n"); |
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BitstreamSkip(bs, 3); // video_format |
BitstreamSkip(bs, 3); /* video_format */ |
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BitstreamSkip(bs, 1); // video_range |
BitstreamSkip(bs, 1); /* video_range */ |
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if (BitstreamGetBit(bs)) // color_description |
if (BitstreamGetBit(bs)) /* color_description */ |
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{ |
{ |
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DPRINTF(DPRINTF_HEADER,"+ color_description"); |
DPRINTF(XVID_DEBUG_HEADER,"+ color_description"); |
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BitstreamSkip(bs, 8); // color_primaries |
BitstreamSkip(bs, 8); /* color_primaries */ |
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BitstreamSkip(bs, 8); // transfer_characteristics |
BitstreamSkip(bs, 8); /* transfer_characteristics */ |
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BitstreamSkip(bs, 8); // matrix_coefficients |
BitstreamSkip(bs, 8); /* matrix_coefficients */ |
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} |
} |
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} |
} |
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} else if ((start_code & ~VIDOBJ_START_CODE_MASK) == VIDOBJ_START_CODE) { |
} else if ((start_code & ~VIDOBJ_START_CODE_MASK) == VIDOBJ_START_CODE) { |
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DPRINTF(DPRINTF_STARTCODE, "<video_object>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<video_object>\n"); |
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DPRINTF(DPRINTF_HEADER, "vo id %i", start_code & VIDOBJ_START_CODE_MASK); |
DPRINTF(XVID_DEBUG_HEADER, "vo id %i\n", start_code & VIDOBJ_START_CODE_MASK); |
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BitstreamSkip(bs, 32); // video_object_start_code |
BitstreamSkip(bs, 32); /* video_object_start_code */ |
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} else if ((start_code & ~VIDOBJLAY_START_CODE_MASK) == VIDOBJLAY_START_CODE) { |
} else if ((start_code & ~VIDOBJLAY_START_CODE_MASK) == VIDOBJLAY_START_CODE) { |
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DPRINTF(DPRINTF_STARTCODE, "<video_object_layer>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<video_object_layer>\n"); |
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DPRINTF(DPRINTF_HEADER, "vol id %i", start_code & VIDOBJLAY_START_CODE_MASK); |
DPRINTF(XVID_DEBUG_HEADER, "vol id %i\n", start_code & VIDOBJLAY_START_CODE_MASK); |
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BitstreamSkip(bs, 32); // video_object_layer_start_code |
BitstreamSkip(bs, 32); /* video_object_layer_start_code */ |
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BitstreamSkip(bs, 1); /* random_accessible_vol */ |
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BitstreamSkip(bs, 1); // random_accessible_vol |
BitstreamSkip(bs, 8); /* video_object_type_indication */ |
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// video_object_type_indication |
if (BitstreamGetBit(bs)) /* is_object_layer_identifier */ |
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if (BitstreamShowBits(bs, 8) != VIDOBJLAY_TYPE_SIMPLE && |
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BitstreamShowBits(bs, 8) != VIDOBJLAY_TYPE_CORE && |
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BitstreamShowBits(bs, 8) != VIDOBJLAY_TYPE_MAIN && |
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BitstreamShowBits(bs, 8) != VIDOBJLAY_TYPE_ACE && |
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BitstreamShowBits(bs, 8) != VIDOBJLAY_TYPE_ART_SIMPLE && |
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BitstreamShowBits(bs, 8) != 0) // BUGGY DIVX |
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{ |
{ |
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DPRINTF(DPRINTF_ERROR,"video_object_type_indication %i not supported ", |
DPRINTF(XVID_DEBUG_HEADER, "+ is_object_layer_identifier\n"); |
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BitstreamShowBits(bs, 8)); |
vol_ver_id = BitstreamGetBits(bs, 4); /* video_object_layer_verid */ |
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return -1; |
DPRINTF(XVID_DEBUG_HEADER,"ver_id %i\n", vol_ver_id); |
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} |
BitstreamSkip(bs, 3); /* video_object_layer_priority */ |
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BitstreamSkip(bs, 8); |
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if (BitstreamGetBit(bs)) // is_object_layer_identifier |
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{ |
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DPRINTF(DPRINTF_HEADER, "+ is_object_layer_identifier"); |
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vol_ver_id = BitstreamGetBits(bs, 4); // video_object_layer_verid |
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DPRINTF(DPRINTF_HEADER,"ver_id %i", vol_ver_id); |
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BitstreamSkip(bs, 3); // video_object_layer_priority |
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} else { |
} else { |
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vol_ver_id = 1; |
vol_ver_id = 1; |
| 482 |
} |
} |
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dec->aspect_ratio = BitstreamGetBits(bs, 4); |
dec->aspect_ratio = BitstreamGetBits(bs, 4); |
| 485 |
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if (dec->aspect_ratio == VIDOBJLAY_AR_EXTPAR) // aspect_ratio_info |
if (dec->aspect_ratio == VIDOBJLAY_AR_EXTPAR) /* aspect_ratio_info */ |
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{ |
{ |
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DPRINTF(DPRINTF_HEADER, "+ aspect_ratio_info"); |
DPRINTF(XVID_DEBUG_HEADER, "+ aspect_ratio_info\n"); |
| 489 |
dec->par_width = BitstreamGetBits(bs, 8); // par_width |
dec->par_width = BitstreamGetBits(bs, 8); /* par_width */ |
| 490 |
dec->par_height = BitstreamGetBits(bs, 8); // par_height |
dec->par_height = BitstreamGetBits(bs, 8); /* par_height */ |
| 491 |
} |
} |
| 492 |
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| 493 |
if (BitstreamGetBit(bs)) // vol_control_parameters |
if (BitstreamGetBit(bs)) /* vol_control_parameters */ |
| 494 |
{ |
{ |
| 495 |
DPRINTF(DPRINTF_HEADER, "+ vol_control_parameters"); |
DPRINTF(XVID_DEBUG_HEADER, "+ vol_control_parameters\n"); |
| 496 |
BitstreamSkip(bs, 2); // chroma_format |
BitstreamSkip(bs, 2); /* chroma_format */ |
| 497 |
dec->low_delay = BitstreamGetBit(bs); // low_delay |
dec->low_delay = BitstreamGetBit(bs); /* low_delay */ |
| 498 |
DPRINTF(DPRINTF_HEADER, "low_delay %i", dec->low_delay); |
DPRINTF(XVID_DEBUG_HEADER, "low_delay %i\n", dec->low_delay); |
| 499 |
if (BitstreamGetBit(bs)) // vbv_parameters |
if (BitstreamGetBit(bs)) /* vbv_parameters */ |
| 500 |
{ |
{ |
| 501 |
unsigned int bitrate; |
unsigned int bitrate; |
| 502 |
unsigned int buffer_size; |
unsigned int buffer_size; |
| 503 |
unsigned int occupancy; |
unsigned int occupancy; |
| 504 |
|
|
| 505 |
DPRINTF(DPRINTF_HEADER,"+ vbv_parameters"); |
DPRINTF(XVID_DEBUG_HEADER,"+ vbv_parameters\n"); |
| 506 |
|
|
| 507 |
bitrate = BitstreamGetBits(bs,15) << 15; // first_half_bit_rate |
bitrate = BitstreamGetBits(bs,15) << 15; /* first_half_bit_rate */ |
| 508 |
READ_MARKER(); |
READ_MARKER(); |
| 509 |
bitrate |= BitstreamGetBits(bs,15); // latter_half_bit_rate |
bitrate |= BitstreamGetBits(bs,15); /* latter_half_bit_rate */ |
| 510 |
READ_MARKER(); |
READ_MARKER(); |
| 511 |
|
|
| 512 |
buffer_size = BitstreamGetBits(bs, 15) << 3; // first_half_vbv_buffer_size |
buffer_size = BitstreamGetBits(bs, 15) << 3; /* first_half_vbv_buffer_size */ |
| 513 |
READ_MARKER(); |
READ_MARKER(); |
| 514 |
buffer_size |= BitstreamGetBits(bs, 3); // latter_half_vbv_buffer_size |
buffer_size |= BitstreamGetBits(bs, 3); /* latter_half_vbv_buffer_size */ |
| 515 |
|
|
| 516 |
occupancy = BitstreamGetBits(bs, 11) << 15; // first_half_vbv_occupancy |
occupancy = BitstreamGetBits(bs, 11) << 15; /* first_half_vbv_occupancy */ |
| 517 |
READ_MARKER(); |
READ_MARKER(); |
| 518 |
occupancy |= BitstreamGetBits(bs, 15); // latter_half_vbv_occupancy |
occupancy |= BitstreamGetBits(bs, 15); /* latter_half_vbv_occupancy */ |
| 519 |
READ_MARKER(); |
READ_MARKER(); |
| 520 |
|
|
| 521 |
DPRINTF(DPRINTF_HEADER,"bitrate %d (unit=400 bps)", bitrate); |
DPRINTF(XVID_DEBUG_HEADER,"bitrate %d (unit=400 bps)\n", bitrate); |
| 522 |
DPRINTF(DPRINTF_HEADER,"buffer_size %d (unit=16384 bits)", buffer_size); |
DPRINTF(XVID_DEBUG_HEADER,"buffer_size %d (unit=16384 bits)\n", buffer_size); |
| 523 |
DPRINTF(DPRINTF_HEADER,"occupancy %d (unit=64 bits)", occupancy); |
DPRINTF(XVID_DEBUG_HEADER,"occupancy %d (unit=64 bits)\n", occupancy); |
| 524 |
} |
} |
| 525 |
}else{ |
}else{ |
| 526 |
dec->low_delay = dec->low_delay_default; |
dec->low_delay = dec->low_delay_default; |
| 527 |
} |
} |
| 528 |
|
|
| 529 |
dec->shape = BitstreamGetBits(bs, 2); // video_object_layer_shape |
dec->shape = BitstreamGetBits(bs, 2); /* video_object_layer_shape */ |
| 530 |
|
|
| 531 |
DPRINTF(DPRINTF_HEADER, "shape %i", dec->shape); |
DPRINTF(XVID_DEBUG_HEADER, "shape %i\n", dec->shape); |
| 532 |
if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) |
if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) |
| 533 |
{ |
{ |
| 534 |
DPRINTF(DPRINTF_ERROR,"non-rectangular shapes are not supported"); |
DPRINTF(XVID_DEBUG_ERROR,"non-rectangular shapes are not supported\n"); |
| 535 |
} |
} |
| 536 |
|
|
| 537 |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE && vol_ver_id != 1) { |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE && vol_ver_id != 1) { |
| 538 |
BitstreamSkip(bs, 4); // video_object_layer_shape_extension |
BitstreamSkip(bs, 4); /* video_object_layer_shape_extension */ |
| 539 |
} |
} |
| 540 |
|
|
| 541 |
READ_MARKER(); |
READ_MARKER(); |
| 542 |
|
|
| 543 |
// *************************** for decode B-frame time *********************** |
/********************** for decode B-frame time ***********************/ |
| 544 |
dec->time_inc_resolution = BitstreamGetBits(bs, 16); // vop_time_increment_resolution |
dec->time_inc_resolution = BitstreamGetBits(bs, 16); /* vop_time_increment_resolution */ |
| 545 |
DPRINTF(DPRINTF_HEADER,"vop_time_increment_resolution %i", dec->time_inc_resolution); |
DPRINTF(XVID_DEBUG_HEADER,"vop_time_increment_resolution %i\n", dec->time_inc_resolution); |
| 546 |
|
|
| 547 |
// dec->time_inc_resolution--; |
#if 0 |
| 548 |
|
dec->time_inc_resolution--; |
| 549 |
|
#endif |
| 550 |
|
|
| 551 |
if (dec->time_inc_resolution > 0) { |
if (dec->time_inc_resolution > 0) { |
| 552 |
dec->time_inc_bits = log2bin(dec->time_inc_resolution-1); |
dec->time_inc_bits = MAX(log2bin(dec->time_inc_resolution-1), 1); |
| 553 |
} else { |
} else { |
| 554 |
// dec->time_inc_bits = 0; |
#if 0 |
| 555 |
// for "old" xvid compatibility, set time_inc_bits = 1 |
dec->time_inc_bits = 0; |
| 556 |
|
#endif |
| 557 |
|
/* for "old" xvid compatibility, set time_inc_bits = 1 */ |
| 558 |
dec->time_inc_bits = 1; |
dec->time_inc_bits = 1; |
| 559 |
} |
} |
| 560 |
|
|
| 561 |
READ_MARKER(); |
READ_MARKER(); |
| 562 |
|
|
| 563 |
if (BitstreamGetBit(bs)) // fixed_vop_rate |
if (BitstreamGetBit(bs)) /* fixed_vop_rate */ |
| 564 |
{ |
{ |
| 565 |
DPRINTF(DPRINTF_HEADER, "+ fixed_vop_rate"); |
DPRINTF(XVID_DEBUG_HEADER, "+ fixed_vop_rate\n"); |
| 566 |
BitstreamSkip(bs, dec->time_inc_bits); // fixed_vop_time_increment |
BitstreamSkip(bs, dec->time_inc_bits); /* fixed_vop_time_increment */ |
| 567 |
} |
} |
| 568 |
|
|
| 569 |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) { |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) { |
| 572 |
uint32_t width, height; |
uint32_t width, height; |
| 573 |
|
|
| 574 |
READ_MARKER(); |
READ_MARKER(); |
| 575 |
width = BitstreamGetBits(bs, 13); // video_object_layer_width |
width = BitstreamGetBits(bs, 13); /* video_object_layer_width */ |
| 576 |
READ_MARKER(); |
READ_MARKER(); |
| 577 |
height = BitstreamGetBits(bs, 13); // video_object_layer_height |
height = BitstreamGetBits(bs, 13); /* video_object_layer_height */ |
| 578 |
READ_MARKER(); |
READ_MARKER(); |
| 579 |
|
|
| 580 |
DPRINTF(DPRINTF_HEADER, "width %i", width); |
DPRINTF(XVID_DEBUG_HEADER, "width %i\n", width); |
| 581 |
DPRINTF(DPRINTF_HEADER, "height %i", height); |
DPRINTF(XVID_DEBUG_HEADER, "height %i\n", height); |
| 582 |
|
|
| 583 |
if (dec->width != width || dec->height != height) |
if (dec->width != width || dec->height != height) |
| 584 |
{ |
{ |
| 585 |
if (dec->fixed_dimensions) |
if (dec->fixed_dimensions) |
| 586 |
{ |
{ |
| 587 |
DPRINTF(DPRINTF_ERROR, "XVID_DEC_PARAM width/height does not match bitstream"); |
DPRINTF(XVID_DEBUG_ERROR, "decoder width/height does not match bitstream\n"); |
| 588 |
return -1; |
return -1; |
| 589 |
} |
} |
| 590 |
resize = 1; |
resize = 1; |
| 594 |
} |
} |
| 595 |
|
|
| 596 |
dec->interlacing = BitstreamGetBit(bs); |
dec->interlacing = BitstreamGetBit(bs); |
| 597 |
DPRINTF(DPRINTF_HEADER, "interlacing %i", dec->interlacing); |
DPRINTF(XVID_DEBUG_HEADER, "interlacing %i\n", dec->interlacing); |
| 598 |
|
|
| 599 |
if (!BitstreamGetBit(bs)) // obmc_disable |
if (!BitstreamGetBit(bs)) /* obmc_disable */ |
| 600 |
{ |
{ |
| 601 |
DPRINTF(DPRINTF_ERROR, "obmc_disabled==false not supported"); |
DPRINTF(XVID_DEBUG_ERROR, "obmc_disabled==false not supported\n"); |
| 602 |
// TODO |
/* TODO */ |
| 603 |
// fucking divx4.02 has this enabled |
/* fucking divx4.02 has this enabled */ |
| 604 |
} |
} |
| 605 |
|
|
| 606 |
dec->sprite_enable = BitstreamGetBits(bs, (vol_ver_id == 1 ? 1 : 2)); // sprite_enable |
dec->sprite_enable = BitstreamGetBits(bs, (vol_ver_id == 1 ? 1 : 2)); /* sprite_enable */ |
| 607 |
|
|
| 608 |
if (dec->sprite_enable == SPRITE_STATIC || dec->sprite_enable == SPRITE_GMC) |
if (dec->sprite_enable == SPRITE_STATIC || dec->sprite_enable == SPRITE_GMC) |
| 609 |
{ |
{ |
| 615 |
int sprite_height; |
int sprite_height; |
| 616 |
int sprite_left_coord; |
int sprite_left_coord; |
| 617 |
int sprite_top_coord; |
int sprite_top_coord; |
| 618 |
sprite_width = BitstreamGetBits(bs, 13); // sprite_width |
sprite_width = BitstreamGetBits(bs, 13); /* sprite_width */ |
| 619 |
READ_MARKER(); |
READ_MARKER(); |
| 620 |
sprite_height = BitstreamGetBits(bs, 13); // sprite_height |
sprite_height = BitstreamGetBits(bs, 13); /* sprite_height */ |
| 621 |
READ_MARKER(); |
READ_MARKER(); |
| 622 |
sprite_left_coord = BitstreamGetBits(bs, 13); // sprite_left_coordinate |
sprite_left_coord = BitstreamGetBits(bs, 13); /* sprite_left_coordinate */ |
| 623 |
READ_MARKER(); |
READ_MARKER(); |
| 624 |
sprite_top_coord = BitstreamGetBits(bs, 13); // sprite_top_coordinate |
sprite_top_coord = BitstreamGetBits(bs, 13); /* sprite_top_coordinate */ |
| 625 |
READ_MARKER(); |
READ_MARKER(); |
| 626 |
} |
} |
| 627 |
dec->sprite_warping_points = BitstreamGetBits(bs, 6); // no_of_sprite_warping_points |
dec->sprite_warping_points = BitstreamGetBits(bs, 6); /* no_of_sprite_warping_points */ |
| 628 |
dec->sprite_warping_accuracy = BitstreamGetBits(bs, 2); // sprite_warping_accuracy |
dec->sprite_warping_accuracy = BitstreamGetBits(bs, 2); /* sprite_warping_accuracy */ |
| 629 |
dec->sprite_brightness_change = BitstreamGetBits(bs, 1); // brightness_change |
dec->sprite_brightness_change = BitstreamGetBits(bs, 1); /* brightness_change */ |
| 630 |
if (dec->sprite_enable != SPRITE_GMC) |
if (dec->sprite_enable != SPRITE_GMC) |
| 631 |
{ |
{ |
| 632 |
low_latency_sprite_enable = BitstreamGetBits(bs, 1); // low_latency_sprite_enable |
low_latency_sprite_enable = BitstreamGetBits(bs, 1); /* low_latency_sprite_enable */ |
| 633 |
} |
} |
| 634 |
} |
} |
| 635 |
|
|
| 636 |
if (vol_ver_id != 1 && |
if (vol_ver_id != 1 && |
| 637 |
dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) { |
dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) { |
| 638 |
BitstreamSkip(bs, 1); // sadct_disable |
BitstreamSkip(bs, 1); /* sadct_disable */ |
| 639 |
} |
} |
| 640 |
|
|
| 641 |
if (BitstreamGetBit(bs)) // not_8_bit |
if (BitstreamGetBit(bs)) /* not_8_bit */ |
| 642 |
{ |
{ |
| 643 |
DPRINTF(DPRINTF_HEADER, "not_8_bit==true (ignored)"); |
DPRINTF(XVID_DEBUG_HEADER, "not_8_bit==true (ignored)\n"); |
| 644 |
dec->quant_bits = BitstreamGetBits(bs, 4); // quant_precision |
dec->quant_bits = BitstreamGetBits(bs, 4); /* quant_precision */ |
| 645 |
BitstreamSkip(bs, 4); // bits_per_pixel |
BitstreamSkip(bs, 4); /* bits_per_pixel */ |
| 646 |
} else { |
} else { |
| 647 |
dec->quant_bits = 5; |
dec->quant_bits = 5; |
| 648 |
} |
} |
| 649 |
|
|
| 650 |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
| 651 |
BitstreamSkip(bs, 1); // no_gray_quant_update |
BitstreamSkip(bs, 1); /* no_gray_quant_update */ |
| 652 |
BitstreamSkip(bs, 1); // composition_method |
BitstreamSkip(bs, 1); /* composition_method */ |
| 653 |
BitstreamSkip(bs, 1); // linear_composition |
BitstreamSkip(bs, 1); /* linear_composition */ |
| 654 |
} |
} |
| 655 |
|
|
| 656 |
dec->quant_type = BitstreamGetBit(bs); // quant_type |
dec->quant_type = BitstreamGetBit(bs); /* quant_type */ |
| 657 |
DPRINTF(DPRINTF_HEADER, "quant_type %i", dec->quant_type); |
DPRINTF(XVID_DEBUG_HEADER, "quant_type %i\n", dec->quant_type); |
| 658 |
|
|
| 659 |
if (dec->quant_type) { |
if (dec->quant_type) { |
| 660 |
if (BitstreamGetBit(bs)) // load_intra_quant_mat |
if (BitstreamGetBit(bs)) /* load_intra_quant_mat */ |
| 661 |
{ |
{ |
| 662 |
uint8_t matrix[64]; |
uint8_t matrix[64]; |
| 663 |
|
|
| 664 |
DPRINTF(DPRINTF_HEADER, "load_intra_quant_mat"); |
DPRINTF(XVID_DEBUG_HEADER, "load_intra_quant_mat\n"); |
| 665 |
|
|
| 666 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
| 667 |
set_intra_matrix(matrix); |
set_intra_matrix(dec->mpeg_quant_matrices, matrix); |
| 668 |
} else |
} else |
| 669 |
set_intra_matrix(get_default_intra_matrix()); |
set_intra_matrix(dec->mpeg_quant_matrices, get_default_intra_matrix()); |
| 670 |
|
|
| 671 |
if (BitstreamGetBit(bs)) // load_inter_quant_mat |
if (BitstreamGetBit(bs)) /* load_inter_quant_mat */ |
| 672 |
{ |
{ |
| 673 |
uint8_t matrix[64]; |
uint8_t matrix[64]; |
| 674 |
|
|
| 675 |
DPRINTF(DPRINTF_HEADER, "load_inter_quant_mat"); |
DPRINTF(XVID_DEBUG_HEADER, "load_inter_quant_mat\n"); |
| 676 |
|
|
| 677 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
| 678 |
set_inter_matrix(matrix); |
set_inter_matrix(dec->mpeg_quant_matrices, matrix); |
| 679 |
} else |
} else |
| 680 |
set_inter_matrix(get_default_inter_matrix()); |
set_inter_matrix(dec->mpeg_quant_matrices, get_default_inter_matrix()); |
| 681 |
|
|
| 682 |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
| 683 |
DPRINTF(DPRINTF_ERROR, "greyscale matrix not supported"); |
DPRINTF(XVID_DEBUG_ERROR, "greyscale matrix not supported\n"); |
| 684 |
return -1; |
return -1; |
| 685 |
} |
} |
| 686 |
|
|
| 688 |
|
|
| 689 |
|
|
| 690 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
| 691 |
dec->quarterpel = BitstreamGetBit(bs); // quarter_sample |
dec->quarterpel = BitstreamGetBit(bs); /* quarter_sample */ |
| 692 |
DPRINTF(DPRINTF_HEADER,"quarterpel %i", dec->quarterpel); |
DPRINTF(XVID_DEBUG_HEADER,"quarterpel %i\n", dec->quarterpel); |
| 693 |
} |
} |
| 694 |
else |
else |
| 695 |
dec->quarterpel = 0; |
dec->quarterpel = 0; |
| 701 |
read_vol_complexity_estimation_header(bs, dec); |
read_vol_complexity_estimation_header(bs, dec); |
| 702 |
} |
} |
| 703 |
|
|
| 704 |
BitstreamSkip(bs, 1); // resync_marker_disable |
BitstreamSkip(bs, 1); /* resync_marker_disable */ |
| 705 |
|
|
| 706 |
if (BitstreamGetBit(bs)) // data_partitioned |
if (BitstreamGetBit(bs)) /* data_partitioned */ |
| 707 |
{ |
{ |
| 708 |
DPRINTF(DPRINTF_ERROR, "data_partitioned not supported"); |
DPRINTF(XVID_DEBUG_ERROR, "data_partitioned not supported\n"); |
| 709 |
BitstreamSkip(bs, 1); // reversible_vlc |
BitstreamSkip(bs, 1); /* reversible_vlc */ |
| 710 |
} |
} |
| 711 |
|
|
| 712 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
| 713 |
dec->newpred_enable = BitstreamGetBit(bs); |
dec->newpred_enable = BitstreamGetBit(bs); |
| 714 |
if (dec->newpred_enable) // newpred_enable |
if (dec->newpred_enable) /* newpred_enable */ |
| 715 |
{ |
{ |
| 716 |
DPRINTF(DPRINTF_HEADER, "+ newpred_enable"); |
DPRINTF(XVID_DEBUG_HEADER, "+ newpred_enable\n"); |
| 717 |
BitstreamSkip(bs, 2); // requested_upstream_message_type |
BitstreamSkip(bs, 2); /* requested_upstream_message_type */ |
| 718 |
BitstreamSkip(bs, 1); // newpred_segment_type |
BitstreamSkip(bs, 1); /* newpred_segment_type */ |
| 719 |
} |
} |
| 720 |
dec->reduced_resolution_enable = BitstreamGetBit(bs); /* reduced_resolution_vop_enable */ |
dec->reduced_resolution_enable = BitstreamGetBit(bs); /* reduced_resolution_vop_enable */ |
| 721 |
DPRINTF(DPRINTF_HEADER, "reduced_resolution_enable %i", dec->reduced_resolution_enable); |
DPRINTF(XVID_DEBUG_HEADER, "reduced_resolution_enable %i\n", dec->reduced_resolution_enable); |
| 722 |
} |
} |
| 723 |
else |
else |
| 724 |
{ |
{ |
| 729 |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
| 730 |
if (dec->scalability) |
if (dec->scalability) |
| 731 |
{ |
{ |
| 732 |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
DPRINTF(XVID_DEBUG_ERROR, "scalability not supported\n"); |
| 733 |
BitstreamSkip(bs, 1); /* hierarchy_type */ |
BitstreamSkip(bs, 1); /* hierarchy_type */ |
| 734 |
BitstreamSkip(bs, 4); /* ref_layer_id */ |
BitstreamSkip(bs, 4); /* ref_layer_id */ |
| 735 |
BitstreamSkip(bs, 1); /* ref_layer_sampling_direc */ |
BitstreamSkip(bs, 1); /* ref_layer_sampling_direc */ |
| 748 |
} |
} |
| 749 |
return -1; |
return -1; |
| 750 |
} |
} |
| 751 |
} else // dec->shape == BINARY_ONLY |
} else /* dec->shape == BINARY_ONLY */ |
| 752 |
{ |
{ |
| 753 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
| 754 |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
| 755 |
if (dec->scalability) |
if (dec->scalability) |
| 756 |
{ |
{ |
| 757 |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
DPRINTF(XVID_DEBUG_ERROR, "scalability not supported\n"); |
| 758 |
BitstreamSkip(bs, 4); /* ref_layer_id */ |
BitstreamSkip(bs, 4); /* ref_layer_id */ |
| 759 |
BitstreamSkip(bs, 5); /* hor_sampling_factor_n */ |
BitstreamSkip(bs, 5); /* hor_sampling_factor_n */ |
| 760 |
BitstreamSkip(bs, 5); /* hor_sampling_factor_m */ |
BitstreamSkip(bs, 5); /* hor_sampling_factor_m */ |
| 763 |
return -1; |
return -1; |
| 764 |
} |
} |
| 765 |
} |
} |
| 766 |
BitstreamSkip(bs, 1); // resync_marker_disable |
BitstreamSkip(bs, 1); /* resync_marker_disable */ |
| 767 |
|
|
| 768 |
} |
} |
| 769 |
|
|
| 771 |
|
|
| 772 |
} else if (start_code == GRPOFVOP_START_CODE) { |
} else if (start_code == GRPOFVOP_START_CODE) { |
| 773 |
|
|
| 774 |
DPRINTF(DPRINTF_STARTCODE, "<group_of_vop>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<group_of_vop>\n"); |
| 775 |
|
|
| 776 |
BitstreamSkip(bs, 32); |
BitstreamSkip(bs, 32); |
| 777 |
{ |
{ |
| 782 |
READ_MARKER(); |
READ_MARKER(); |
| 783 |
seconds = BitstreamGetBits(bs, 6); |
seconds = BitstreamGetBits(bs, 6); |
| 784 |
|
|
| 785 |
DPRINTF(DPRINTF_HEADER, "time %ih%im%is", hours,minutes,seconds); |
DPRINTF(XVID_DEBUG_HEADER, "time %ih%im%is\n", hours,minutes,seconds); |
| 786 |
} |
} |
| 787 |
BitstreamSkip(bs, 1); // closed_gov |
BitstreamSkip(bs, 1); /* closed_gov */ |
| 788 |
BitstreamSkip(bs, 1); // broken_link |
BitstreamSkip(bs, 1); /* broken_link */ |
| 789 |
|
|
| 790 |
} else if (start_code == VOP_START_CODE) { |
} else if (start_code == VOP_START_CODE) { |
| 791 |
|
|
| 792 |
DPRINTF(DPRINTF_STARTCODE, "<vop>"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<vop>\n"); |
| 793 |
|
|
| 794 |
BitstreamSkip(bs, 32); // vop_start_code |
BitstreamSkip(bs, 32); /* vop_start_code */ |
| 795 |
|
|
| 796 |
coding_type = BitstreamGetBits(bs, 2); // vop_coding_type |
coding_type = BitstreamGetBits(bs, 2); /* vop_coding_type */ |
| 797 |
DPRINTF(DPRINTF_HEADER, "coding_type %i", coding_type); |
DPRINTF(XVID_DEBUG_HEADER, "coding_type %i\n", coding_type); |
| 798 |
|
|
| 799 |
// *************************** for decode B-frame time *********************** |
/*********************** for decode B-frame time ***********************/ |
| 800 |
while (BitstreamGetBit(bs) != 0) // time_base |
while (BitstreamGetBit(bs) != 0) /* time_base */ |
| 801 |
time_incr++; |
time_incr++; |
| 802 |
|
|
| 803 |
READ_MARKER(); |
READ_MARKER(); |
| 804 |
|
|
| 805 |
if (dec->time_inc_bits) { |
if (dec->time_inc_bits) { |
| 806 |
time_increment = (BitstreamGetBits(bs, dec->time_inc_bits)); // vop_time_increment |
time_increment = (BitstreamGetBits(bs, dec->time_inc_bits)); /* vop_time_increment */ |
| 807 |
} |
} |
| 808 |
|
|
| 809 |
DPRINTF(DPRINTF_HEADER, "time_base %i", time_incr); |
DPRINTF(XVID_DEBUG_HEADER, "time_base %i\n", time_incr); |
| 810 |
DPRINTF(DPRINTF_HEADER, "time_increment %i", time_increment); |
DPRINTF(XVID_DEBUG_HEADER, "time_increment %i\n", time_increment); |
| 811 |
|
|
| 812 |
DPRINTF(DPRINTF_TIMECODE, "%c %i:%i", |
DPRINTF(XVID_DEBUG_TIMECODE, "%c %i:%i\n", |
| 813 |
coding_type == I_VOP ? 'I' : coding_type == P_VOP ? 'P' : coding_type == B_VOP ? 'B' : 'S', |
coding_type == I_VOP ? 'I' : coding_type == P_VOP ? 'P' : coding_type == B_VOP ? 'B' : 'S', |
| 814 |
time_incr, time_increment); |
time_incr, time_increment); |
| 815 |
|
|
| 816 |
if (coding_type != B_VOP) { |
if (coding_type != B_VOP) { |
| 817 |
dec->last_time_base = dec->time_base; |
dec->last_time_base = dec->time_base; |
| 818 |
dec->time_base += time_incr; |
dec->time_base += time_incr; |
| 819 |
dec->time = time_increment; |
dec->time = dec->time_base*dec->time_inc_resolution + time_increment; |
| 820 |
|
dec->time_pp = (int32_t)(dec->time - dec->last_non_b_time); |
|
/* dec->time_base * dec->time_inc_resolution + |
|
|
time_increment; |
|
|
*/ dec->time_pp = (uint32_t) |
|
|
(dec->time_inc_resolution + dec->time - dec->last_non_b_time)%dec->time_inc_resolution; |
|
| 821 |
dec->last_non_b_time = dec->time; |
dec->last_non_b_time = dec->time; |
| 822 |
} else { |
} else { |
| 823 |
dec->time = time_increment; |
dec->time = (dec->last_time_base + time_incr)*dec->time_inc_resolution + time_increment; |
| 824 |
/* |
dec->time_bp = dec->time_pp - (int32_t)(dec->last_non_b_time - dec->time); |
|
(dec->last_time_base + |
|
|
time_incr) * dec->time_inc_resolution + time_increment; |
|
|
*/ |
|
|
dec->time_bp = (uint32_t) |
|
|
(dec->time_inc_resolution + dec->last_non_b_time - dec->time)%dec->time_inc_resolution; |
|
| 825 |
} |
} |
| 826 |
DPRINTF(DPRINTF_HEADER,"time_pp=%i", dec->time_pp); |
DPRINTF(XVID_DEBUG_HEADER,"time_pp=%i\n", dec->time_pp); |
| 827 |
DPRINTF(DPRINTF_HEADER,"time_bp=%i", dec->time_bp); |
DPRINTF(XVID_DEBUG_HEADER,"time_bp=%i\n", dec->time_bp); |
| 828 |
|
|
| 829 |
READ_MARKER(); |
READ_MARKER(); |
| 830 |
|
|
| 831 |
if (!BitstreamGetBit(bs)) // vop_coded |
if (!BitstreamGetBit(bs)) /* vop_coded */ |
| 832 |
{ |
{ |
| 833 |
DPRINTF(DPRINTF_HEADER, "vop_coded==false"); |
DPRINTF(XVID_DEBUG_HEADER, "vop_coded==false\n"); |
| 834 |
return N_VOP; |
return N_VOP; |
| 835 |
} |
} |
| 836 |
|
|
| 840 |
int vop_id_for_prediction; |
int vop_id_for_prediction; |
| 841 |
|
|
| 842 |
vop_id = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
vop_id = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
| 843 |
DPRINTF(DPRINTF_HEADER, "vop_id %i", vop_id); |
DPRINTF(XVID_DEBUG_HEADER, "vop_id %i\n", vop_id); |
| 844 |
if (BitstreamGetBit(bs)) /* vop_id_for_prediction_indication */ |
if (BitstreamGetBit(bs)) /* vop_id_for_prediction_indication */ |
| 845 |
{ |
{ |
| 846 |
vop_id_for_prediction = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
vop_id_for_prediction = BitstreamGetBits(bs, MIN(dec->time_inc_bits + 3, 15)); |
| 847 |
DPRINTF(DPRINTF_HEADER, "vop_id_for_prediction %i", vop_id_for_prediction); |
DPRINTF(XVID_DEBUG_HEADER, "vop_id_for_prediction %i\n", vop_id_for_prediction); |
| 848 |
} |
} |
| 849 |
READ_MARKER(); |
READ_MARKER(); |
| 850 |
} |
} |
| 851 |
|
|
| 852 |
|
|
| 853 |
|
|
| 854 |
// fix a little bug by MinChen <chenm002@163.com> |
/* fix a little bug by MinChen <chenm002@163.com> */ |
| 855 |
if ((dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) && |
if ((dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) && |
| 856 |
( (coding_type == P_VOP) || (coding_type == S_VOP && dec->sprite_enable == SPRITE_GMC) ) ) { |
( (coding_type == P_VOP) || (coding_type == S_VOP && dec->sprite_enable == SPRITE_GMC) ) ) { |
| 857 |
*rounding = BitstreamGetBit(bs); // rounding_type |
*rounding = BitstreamGetBit(bs); /* rounding_type */ |
| 858 |
DPRINTF(DPRINTF_HEADER, "rounding %i", *rounding); |
DPRINTF(XVID_DEBUG_HEADER, "rounding %i\n", *rounding); |
| 859 |
} |
} |
| 860 |
|
|
| 861 |
if (dec->reduced_resolution_enable && |
if (dec->reduced_resolution_enable && |
| 863 |
(coding_type == P_VOP || coding_type == I_VOP)) { |
(coding_type == P_VOP || coding_type == I_VOP)) { |
| 864 |
|
|
| 865 |
*reduced_resolution = BitstreamGetBit(bs); |
*reduced_resolution = BitstreamGetBit(bs); |
| 866 |
DPRINTF(DPRINTF_HEADER, "reduced_resolution %i", *reduced_resolution); |
DPRINTF(XVID_DEBUG_HEADER, "reduced_resolution %i\n", *reduced_resolution); |
| 867 |
} |
} |
| 868 |
else |
else |
| 869 |
{ |
{ |
| 885 |
vert_mc_ref = BitstreamGetBits(bs, 13); |
vert_mc_ref = BitstreamGetBits(bs, 13); |
| 886 |
READ_MARKER(); |
READ_MARKER(); |
| 887 |
|
|
| 888 |
DPRINTF(DPRINTF_HEADER, "width %i", width); |
DPRINTF(XVID_DEBUG_HEADER, "width %i\n", width); |
| 889 |
DPRINTF(DPRINTF_HEADER, "height %i", height); |
DPRINTF(XVID_DEBUG_HEADER, "height %i\n", height); |
| 890 |
DPRINTF(DPRINTF_HEADER, "horiz_mc_ref %i", horiz_mc_ref); |
DPRINTF(XVID_DEBUG_HEADER, "horiz_mc_ref %i\n", horiz_mc_ref); |
| 891 |
DPRINTF(DPRINTF_HEADER, "vert_mc_ref %i", vert_mc_ref); |
DPRINTF(XVID_DEBUG_HEADER, "vert_mc_ref %i\n", vert_mc_ref); |
| 892 |
} |
} |
| 893 |
|
|
| 894 |
BitstreamSkip(bs, 1); // change_conv_ratio_disable |
BitstreamSkip(bs, 1); /* change_conv_ratio_disable */ |
| 895 |
if (BitstreamGetBit(bs)) // vop_constant_alpha |
if (BitstreamGetBit(bs)) /* vop_constant_alpha */ |
| 896 |
{ |
{ |
| 897 |
BitstreamSkip(bs, 8); // vop_constant_alpha_value |
BitstreamSkip(bs, 8); /* vop_constant_alpha_value */ |
| 898 |
} |
} |
| 899 |
} |
} |
| 900 |
|
|
| 905 |
read_vop_complexity_estimation_header(bs, dec, coding_type); |
read_vop_complexity_estimation_header(bs, dec, coding_type); |
| 906 |
} |
} |
| 907 |
|
|
| 908 |
// intra_dc_vlc_threshold |
/* intra_dc_vlc_threshold */ |
| 909 |
*intra_dc_threshold = |
*intra_dc_threshold = |
| 910 |
intra_dc_threshold_table[BitstreamGetBits(bs, 3)]; |
intra_dc_threshold_table[BitstreamGetBits(bs, 3)]; |
| 911 |
|
|
| 914 |
|
|
| 915 |
if (dec->interlacing) { |
if (dec->interlacing) { |
| 916 |
dec->top_field_first = BitstreamGetBit(bs); |
dec->top_field_first = BitstreamGetBit(bs); |
| 917 |
DPRINTF(DPRINTF_HEADER, "interlace top_field_first %i", dec->top_field_first); |
DPRINTF(XVID_DEBUG_HEADER, "interlace top_field_first %i\n", dec->top_field_first); |
| 918 |
dec->alternate_vertical_scan = BitstreamGetBit(bs); |
dec->alternate_vertical_scan = BitstreamGetBit(bs); |
| 919 |
DPRINTF(DPRINTF_HEADER, "interlace alternate_vertical_scan %i", dec->alternate_vertical_scan); |
DPRINTF(XVID_DEBUG_HEADER, "interlace alternate_vertical_scan %i\n", dec->alternate_vertical_scan); |
| 920 |
|
|
| 921 |
} |
} |
| 922 |
} |
} |
| 950 |
gmc_warp->duv[i].x = x; |
gmc_warp->duv[i].x = x; |
| 951 |
gmc_warp->duv[i].y = y; |
gmc_warp->duv[i].y = y; |
| 952 |
|
|
| 953 |
DPRINTF(DPRINTF_HEADER,"sprite_warping_point[%i] xy=(%i,%i)", i, x, y); |
DPRINTF(XVID_DEBUG_HEADER,"sprite_warping_point[%i] xy=(%i,%i)\n", i, x, y); |
| 954 |
} |
} |
| 955 |
|
|
| 956 |
if (dec->sprite_brightness_change) |
if (dec->sprite_brightness_change) |
| 957 |
{ |
{ |
| 958 |
// XXX: brightness_change_factor() |
/* XXX: brightness_change_factor() */ |
| 959 |
} |
} |
| 960 |
if (dec->sprite_enable == SPRITE_STATIC) |
if (dec->sprite_enable == SPRITE_STATIC) |
| 961 |
{ |
{ |
| 962 |
// XXX: todo |
/* XXX: todo */ |
| 963 |
} |
} |
| 964 |
|
|
| 965 |
} |
} |
| 966 |
|
|
| 967 |
if ((*quant = BitstreamGetBits(bs, dec->quant_bits)) < 1) // vop_quant |
if ((*quant = BitstreamGetBits(bs, dec->quant_bits)) < 1) /* vop_quant */ |
| 968 |
*quant = 1; |
*quant = 1; |
| 969 |
DPRINTF(DPRINTF_HEADER, "quant %i", *quant); |
DPRINTF(XVID_DEBUG_HEADER, "quant %i\n", *quant); |
| 970 |
|
|
| 971 |
if (coding_type != I_VOP) { |
if (coding_type != I_VOP) { |
| 972 |
*fcode_forward = BitstreamGetBits(bs, 3); // fcode_forward |
*fcode_forward = BitstreamGetBits(bs, 3); /* fcode_forward */ |
| 973 |
DPRINTF(DPRINTF_HEADER, "fcode_forward %i", *fcode_forward); |
DPRINTF(XVID_DEBUG_HEADER, "fcode_forward %i\n", *fcode_forward); |
| 974 |
} |
} |
| 975 |
|
|
| 976 |
if (coding_type == B_VOP) { |
if (coding_type == B_VOP) { |
| 977 |
*fcode_backward = BitstreamGetBits(bs, 3); // fcode_backward |
*fcode_backward = BitstreamGetBits(bs, 3); /* fcode_backward */ |
| 978 |
DPRINTF(DPRINTF_HEADER, "fcode_backward %i", *fcode_backward); |
DPRINTF(XVID_DEBUG_HEADER, "fcode_backward %i\n", *fcode_backward); |
| 979 |
} |
} |
| 980 |
if (!dec->scalability) { |
if (!dec->scalability) { |
| 981 |
if ((dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) && |
if ((dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) && |
| 982 |
(coding_type != I_VOP)) { |
(coding_type != I_VOP)) { |
| 983 |
BitstreamSkip(bs, 1); // vop_shape_coding_type |
BitstreamSkip(bs, 1); /* vop_shape_coding_type */ |
| 984 |
} |
} |
| 985 |
} |
} |
| 986 |
return coding_type; |
return coding_type; |
| 990 |
int i, version, build; |
int i, version, build; |
| 991 |
char packed; |
char packed; |
| 992 |
|
|
| 993 |
BitstreamSkip(bs, 32); // user_data_start_code |
BitstreamSkip(bs, 32); /* user_data_start_code */ |
| 994 |
|
|
| 995 |
|
memset(tmp, 0, 256); |
| 996 |
tmp[0] = BitstreamShowBits(bs, 8); |
tmp[0] = BitstreamShowBits(bs, 8); |
| 997 |
|
|
| 998 |
for(i = 1; i < 256; i++){ |
for(i = 1; i < 256; i++){ |
| 1004 |
BitstreamSkip(bs, 8); |
BitstreamSkip(bs, 8); |
| 1005 |
} |
} |
| 1006 |
|
|
| 1007 |
DPRINTF(DPRINTF_STARTCODE, "<user_data>: %s\n", tmp); |
DPRINTF(XVID_DEBUG_STARTCODE, "<user_data>: %s\n", tmp); |
| 1008 |
|
|
| 1009 |
/* read xvid bitstream version */ |
/* read xvid bitstream version */ |
| 1010 |
if(strncmp(tmp, "XviD", 4) == 0) { |
if(strncmp(tmp, "XviD", 4) == 0) { |
| 1011 |
|
if (tmp[strlen(tmp)-1] == 'C') { |
| 1012 |
|
sscanf(tmp, "XviD%dC", &dec->bs_version); |
| 1013 |
|
dec->cartoon_mode = 1; |
| 1014 |
|
} |
| 1015 |
|
else |
| 1016 |
sscanf(tmp, "XviD%d", &dec->bs_version); |
sscanf(tmp, "XviD%d", &dec->bs_version); |
| 1017 |
DPRINTF(DPRINTF_HEADER, "xvid bitstream version=%i", dec->bs_version); |
|
| 1018 |
|
DPRINTF(XVID_DEBUG_HEADER, "xvid bitstream version=%i\n", dec->bs_version); |
| 1019 |
} |
} |
| 1020 |
|
|
| 1021 |
/* divx detection */ |
/* divx detection */ |
| 1026 |
if (i >= 2) |
if (i >= 2) |
| 1027 |
{ |
{ |
| 1028 |
dec->packed_mode = (i == 3 && packed == 'p'); |
dec->packed_mode = (i == 3 && packed == 'p'); |
| 1029 |
DPRINTF(DPRINTF_HEADER, "divx version=%i, build=%i packed=%i", |
DPRINTF(XVID_DEBUG_HEADER, "divx version=%i, build=%i packed=%i\n", |
| 1030 |
version, build, dec->packed_mode); |
version, build, dec->packed_mode); |
| 1031 |
} |
} |
| 1032 |
|
|
| 1033 |
} else // start_code == ? |
} else /* start_code == ? */ |
| 1034 |
{ |
{ |
| 1035 |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
| 1036 |
DPRINTF(DPRINTF_STARTCODE, "<unknown: %x>", BitstreamShowBits(bs, 32)); |
DPRINTF(XVID_DEBUG_STARTCODE, "<unknown: %x>\n", BitstreamShowBits(bs, 32)); |
| 1037 |
} |
} |
| 1038 |
BitstreamSkip(bs, 8); |
BitstreamSkip(bs, 8); |
| 1039 |
} |
} |
| 1040 |
} |
} |
| 1041 |
while ((BitstreamPos(bs) >> 3) < bs->length); |
while ((BitstreamPos(bs) >> 3) < bs->length); |
| 1042 |
|
|
| 1043 |
//DPRINTF("*** WARNING: no vop_start_code found"); |
#if 0 |
| 1044 |
|
DPRINTF("*** WARNING: no vop_start_code found"); |
| 1045 |
|
#endif |
| 1046 |
return -1; /* ignore it */ |
return -1; /* ignore it */ |
| 1047 |
} |
} |
| 1048 |
|
|
| 1051 |
|
|
| 1052 |
static void |
static void |
| 1053 |
bs_put_matrix(Bitstream * bs, |
bs_put_matrix(Bitstream * bs, |
| 1054 |
const int16_t * matrix) |
const uint16_t * matrix) |
| 1055 |
{ |
{ |
| 1056 |
int i, j; |
int i, j; |
| 1057 |
const int last = matrix[scan_tables[0][63]]; |
const int last = matrix[scan_tables[0][63]]; |
| 1079 |
static const unsigned int vo_id = 0; |
static const unsigned int vo_id = 0; |
| 1080 |
static const unsigned int vol_id = 0; |
static const unsigned int vol_id = 0; |
| 1081 |
int vol_ver_id=1; |
int vol_ver_id=1; |
| 1082 |
int profile = 0x03; /* simple profile/level 3 */ |
int vol_type_ind = VIDOBJLAY_TYPE_SIMPLE; |
| 1083 |
|
int vol_profile = pParam->profile; |
| 1084 |
|
|
| 1085 |
if ( pParam->m_quarterpel || (frame->global_flags & XVID_GMC) || |
if ( (pParam->vol_flags & XVID_VOL_QUARTERPEL) || |
| 1086 |
(pParam->global & XVID_GLOBAL_REDUCED)) |
(pParam->vol_flags & XVID_VOL_GMC) || |
| 1087 |
|
(pParam->vol_flags & XVID_VOL_REDUCED_ENABLE)) |
| 1088 |
vol_ver_id = 2; |
vol_ver_id = 2; |
| 1089 |
|
|
| 1090 |
if ((pParam->global & XVID_GLOBAL_REDUCED)) |
if ((pParam->vol_flags & XVID_VOL_REDUCED_ENABLE)) { |
| 1091 |
profile = 0x93; /* advanced realtime simple profile/level 3 */ |
vol_type_ind = VIDOBJLAY_TYPE_ART_SIMPLE; |
| 1092 |
|
} |
| 1093 |
|
|
| 1094 |
if (pParam->m_quarterpel || (frame->global_flags & XVID_GMC)) |
if ((pParam->vol_flags & XVID_VOL_QUARTERPEL) || |
| 1095 |
profile = 0xf3; /* advanced simple profile/level 2 */ |
(pParam->vol_flags & XVID_VOL_GMC)) { |
| 1096 |
|
vol_type_ind = VIDOBJLAY_TYPE_ASP; |
| 1097 |
|
} |
| 1098 |
|
|
| 1099 |
// visual_object_sequence_start_code |
/* visual_object_sequence_start_code */ |
| 1100 |
// BitstreamPad(bs); |
#if 0 |
| 1101 |
/* no padding here, anymore. You have to make sure that you are |
BitstreamPad(bs); |
| 1102 |
byte aligned, and that always 1-8 padding bits have been written */ |
#endif |
| 1103 |
|
|
| 1104 |
|
/* |
| 1105 |
|
* no padding here, anymore. You have to make sure that you are |
| 1106 |
|
* byte aligned, and that always 1-8 padding bits have been written |
| 1107 |
|
*/ |
| 1108 |
|
|
| 1109 |
|
if (!vol_profile) { |
| 1110 |
|
/* Profile was not set by client app, use the more permissive profile |
| 1111 |
|
* compatible with the vol_type_id */ |
| 1112 |
|
switch(vol_type_ind) { |
| 1113 |
|
case VIDOBJLAY_TYPE_ASP: |
| 1114 |
|
vol_profile = 0xf5; /* ASP level 5 */ |
| 1115 |
|
break; |
| 1116 |
|
case VIDOBJLAY_TYPE_ART_SIMPLE: |
| 1117 |
|
vol_profile = 0x94; /* ARTS level 4 */ |
| 1118 |
|
break; |
| 1119 |
|
default: |
| 1120 |
|
vol_profile = 0x03; /* Simple level 3 */ |
| 1121 |
|
break; |
| 1122 |
|
} |
| 1123 |
|
} |
| 1124 |
|
|
| 1125 |
|
/* Write the VOS header */ |
| 1126 |
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
| 1127 |
BitstreamPutBits(bs, profile, 8); |
BitstreamPutBits(bs, vol_profile, 8); /* profile_and_level_indication */ |
| 1128 |
|
|
| 1129 |
// visual_object_start_code |
|
| 1130 |
|
/* visual_object_start_code */ |
| 1131 |
BitstreamPad(bs); |
BitstreamPad(bs); |
| 1132 |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
| 1133 |
BitstreamPutBits(bs, 0, 1); // is_visual_object_identifier |
BitstreamPutBits(bs, 0, 1); /* is_visual_object_identifier */ |
| 1134 |
|
|
| 1135 |
/* Video type */ |
/* Video type */ |
| 1136 |
BitstreamPutBits(bs, VISOBJ_TYPE_VIDEO, 4); // visual_object_type |
BitstreamPutBits(bs, VISOBJ_TYPE_VIDEO, 4); /* visual_object_type */ |
| 1137 |
BitstreamPutBit(bs, 0); /* video_signal_type */ |
BitstreamPutBit(bs, 0); /* video_signal_type */ |
| 1138 |
|
|
| 1139 |
// video object_start_code & vo_id |
/* video object_start_code & vo_id */ |
| 1140 |
BitstreamPadAlways(bs); // next_start_code() |
BitstreamPadAlways(bs); /* next_start_code() */ |
| 1141 |
BitstreamPutBits(bs, VIDOBJ_START_CODE|(vo_id&0x5), 32); |
BitstreamPutBits(bs, VIDOBJ_START_CODE|(vo_id&0x5), 32); |
| 1142 |
|
|
| 1143 |
// video_object_layer_start_code & vol_id |
/* video_object_layer_start_code & vol_id */ |
| 1144 |
BitstreamPad(bs); |
BitstreamPad(bs); |
| 1145 |
BitstreamPutBits(bs, VIDOBJLAY_START_CODE|(vol_id&0x4), 32); |
BitstreamPutBits(bs, VIDOBJLAY_START_CODE|(vol_id&0x4), 32); |
| 1146 |
|
|
| 1147 |
BitstreamPutBit(bs, 0); // random_accessible_vol |
BitstreamPutBit(bs, 0); /* random_accessible_vol */ |
| 1148 |
BitstreamPutBits(bs, 0, 8); // video_object_type_indication |
BitstreamPutBits(bs, vol_type_ind, 8); /* video_object_type_indication */ |
| 1149 |
|
|
| 1150 |
if (vol_ver_id == 1) |
if (vol_ver_id == 1) { |
| 1151 |
{ |
BitstreamPutBit(bs, 0); /* is_object_layer_identified (0=not given) */ |
| 1152 |
BitstreamPutBit(bs, 0); // is_object_layer_identified (0=not given) |
} else { |
| 1153 |
} |
BitstreamPutBit(bs, 1); /* is_object_layer_identified */ |
| 1154 |
else |
BitstreamPutBits(bs, vol_ver_id, 4); /* vol_ver_id == 2 */ |
| 1155 |
{ |
BitstreamPutBits(bs, 4, 3); /* vol_ver_priority (1==highest, 7==lowest) */ |
|
BitstreamPutBit(bs, 1); // is_object_layer_identified |
|
|
BitstreamPutBits(bs, vol_ver_id, 4); // vol_ver_id == 2 |
|
|
BitstreamPutBits(bs, 4, 3); // vol_ver_priority (1==highest, 7==lowest) |
|
| 1156 |
} |
} |
| 1157 |
|
|
| 1158 |
BitstreamPutBits(bs, 1, 4); // aspect_ratio_info (1=1:1) |
/* Aspect ratio */ |
| 1159 |
|
BitstreamPutBits(bs, pParam->par, 4); /* aspect_ratio_info (1=1:1) */ |
| 1160 |
|
if(pParam->par == XVID_PAR_EXT) { |
| 1161 |
|
BitstreamPutBits(bs, pParam->par_width, 8); |
| 1162 |
|
BitstreamPutBits(bs, pParam->par_height, 8); |
| 1163 |
|
} |
| 1164 |
|
|
| 1165 |
BitstreamPutBit(bs, 1); // vol_control_parameters |
BitstreamPutBit(bs, 1); /* vol_control_parameters */ |
| 1166 |
BitstreamPutBits(bs, 1, 2); // chroma_format 1="4:2:0" |
BitstreamPutBits(bs, 1, 2); /* chroma_format 1="4:2:0" */ |
| 1167 |
|
|
| 1168 |
if (pParam->max_bframes > 0) { |
if (pParam->max_bframes > 0) { |
| 1169 |
BitstreamPutBit(bs, 0); // low_delay |
BitstreamPutBit(bs, 0); /* low_delay */ |
| 1170 |
} else |
} else |
| 1171 |
{ |
{ |
| 1172 |
BitstreamPutBit(bs, 1); // low_delay |
BitstreamPutBit(bs, 1); /* low_delay */ |
| 1173 |
} |
} |
| 1174 |
BitstreamPutBit(bs, 0); // vbv_parameters (0=not given) |
BitstreamPutBit(bs, 0); /* vbv_parameters (0=not given) */ |
| 1175 |
|
|
| 1176 |
BitstreamPutBits(bs, 0, 2); // video_object_layer_shape (0=rectangular) |
BitstreamPutBits(bs, 0, 2); /* video_object_layer_shape (0=rectangular) */ |
| 1177 |
|
|
| 1178 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1179 |
|
|
| 1180 |
/* time_inc_resolution; ignored by current decore versions |
/* |
| 1181 |
eg. 2fps res=2 inc=1 |
* time_inc_resolution; ignored by current decore versions |
| 1182 |
25fps res=25 inc=1 |
* eg. 2fps res=2 inc=1 |
| 1183 |
29.97fps res=30000 inc=1001 |
* 25fps res=25 inc=1 |
| 1184 |
|
* 29.97fps res=30000 inc=1001 |
| 1185 |
*/ |
*/ |
| 1186 |
BitstreamPutBits(bs, pParam->fbase, 16); |
BitstreamPutBits(bs, pParam->fbase, 16); |
| 1187 |
|
|
| 1188 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1189 |
|
|
| 1190 |
BitstreamPutBit(bs, 1); // fixed_vop_rate = 1 |
if (pParam->fincr>0) { |
| 1191 |
BitstreamPutBits(bs, pParam->fincr, log2bin(pParam->fbase)); // fixed_vop_time_increment |
BitstreamPutBit(bs, 1); /* fixed_vop_rate = 1 */ |
| 1192 |
|
BitstreamPutBits(bs, pParam->fincr, MAX(log2bin(pParam->fbase-1),1)); /* fixed_vop_time_increment */ |
| 1193 |
|
}else{ |
| 1194 |
|
BitstreamPutBit(bs, 0); /* fixed_vop_rate = 0 */ |
| 1195 |
|
} |
| 1196 |
|
|
| 1197 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1198 |
BitstreamPutBits(bs, pParam->width, 13); // width |
BitstreamPutBits(bs, pParam->width, 13); /* width */ |
| 1199 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1200 |
BitstreamPutBits(bs, pParam->height, 13); // height |
BitstreamPutBits(bs, pParam->height, 13); /* height */ |
| 1201 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1202 |
|
|
| 1203 |
BitstreamPutBit(bs, frame->global_flags & XVID_INTERLACING); // interlace |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_INTERLACING); /* interlace */ |
| 1204 |
BitstreamPutBit(bs, 1); // obmc_disable (overlapped block motion compensation) |
BitstreamPutBit(bs, 1); /* obmc_disable (overlapped block motion compensation) */ |
| 1205 |
|
|
| 1206 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) |
| 1207 |
{ if (frame->global_flags & XVID_GMC) |
{ if ((pParam->vol_flags & XVID_VOL_GMC)) |
| 1208 |
{ BitstreamPutBits(bs, 2, 2); // sprite_enable=='GMC' |
{ BitstreamPutBits(bs, 2, 2); /* sprite_enable=='GMC' */ |
| 1209 |
BitstreamPutBits(bs, 2, 6); // no_of_sprite_warping_points |
BitstreamPutBits(bs, 3, 6); /* no_of_sprite_warping_points */ |
| 1210 |
BitstreamPutBits(bs, 3, 2); // sprite_warping_accuracy 0==1/2, 1=1/4, 2=1/8, 3=1/16 |
BitstreamPutBits(bs, 3, 2); /* sprite_warping_accuracy 0==1/2, 1=1/4, 2=1/8, 3=1/16 */ |
| 1211 |
BitstreamPutBit(bs, 0); // sprite_brightness_change (not supported) |
BitstreamPutBit(bs, 0); /* sprite_brightness_change (not supported) */ |
| 1212 |
|
|
| 1213 |
/* currently we use no_of_sprite_warping_points==2, sprite_warping_accuracy==3 |
/* |
| 1214 |
for DivX5 compatability */ |
* currently we use no_of_sprite_warping_points==2, sprite_warping_accuracy==3 |
| 1215 |
|
* for DivX5 compatability |
| 1216 |
|
*/ |
| 1217 |
|
|
| 1218 |
} else |
} else |
| 1219 |
BitstreamPutBits(bs, 0, 2); // sprite_enable==off |
BitstreamPutBits(bs, 0, 2); /* sprite_enable==off */ |
| 1220 |
} |
} |
| 1221 |
else |
else |
| 1222 |
BitstreamPutBit(bs, 0); // sprite_enable==off |
BitstreamPutBit(bs, 0); /* sprite_enable==off */ |
|
|
|
|
BitstreamPutBit(bs, 0); // not_8_bit |
|
| 1223 |
|
|
| 1224 |
// quant_type 0=h.263 1=mpeg4(quantizer tables) |
BitstreamPutBit(bs, 0); /* not_8_bit */ |
|
BitstreamPutBit(bs, pParam->m_quant_type); |
|
| 1225 |
|
|
| 1226 |
if (pParam->m_quant_type) { |
/* quant_type 0=h.263 1=mpeg4(quantizer tables) */ |
| 1227 |
BitstreamPutBit(bs, get_intra_matrix_status()); // load_intra_quant_mat |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_MPEGQUANT); |
|
if (get_intra_matrix_status()) { |
|
|
bs_put_matrix(bs, get_intra_matrix()); |
|
|
} |
|
| 1228 |
|
|
| 1229 |
BitstreamPutBit(bs, get_inter_matrix_status()); // load_inter_quant_mat |
if ((pParam->vol_flags & XVID_VOL_MPEGQUANT)) { |
| 1230 |
if (get_inter_matrix_status()) { |
BitstreamPutBit(bs, is_custom_intra_matrix(pParam->mpeg_quant_matrices)); /* load_intra_quant_mat */ |
| 1231 |
bs_put_matrix(bs, get_inter_matrix()); |
if(is_custom_intra_matrix(pParam->mpeg_quant_matrices)) |
| 1232 |
} |
bs_put_matrix(bs, get_intra_matrix(pParam->mpeg_quant_matrices)); |
| 1233 |
|
|
| 1234 |
|
BitstreamPutBit(bs, is_custom_inter_matrix(pParam->mpeg_quant_matrices)); /* load_inter_quant_mat */ |
| 1235 |
|
if(is_custom_inter_matrix(pParam->mpeg_quant_matrices)) |
| 1236 |
|
bs_put_matrix(bs, get_inter_matrix(pParam->mpeg_quant_matrices)); |
| 1237 |
} |
} |
| 1238 |
|
|
| 1239 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
| 1240 |
if (pParam->m_quarterpel) |
if ((pParam->vol_flags & XVID_VOL_QUARTERPEL)) |
| 1241 |
BitstreamPutBit(bs, 1); // quarterpel |
BitstreamPutBit(bs, 1); /* quarterpel */ |
| 1242 |
else |
else |
| 1243 |
BitstreamPutBit(bs, 0); // no quarterpel |
BitstreamPutBit(bs, 0); /* no quarterpel */ |
| 1244 |
} |
} |
| 1245 |
|
|
| 1246 |
BitstreamPutBit(bs, 1); // complexity_estimation_disable |
BitstreamPutBit(bs, 1); /* complexity_estimation_disable */ |
| 1247 |
BitstreamPutBit(bs, 1); // resync_marker_disable |
BitstreamPutBit(bs, 1); /* resync_marker_disable */ |
| 1248 |
BitstreamPutBit(bs, 0); // data_partitioned |
BitstreamPutBit(bs, 0); /* data_partitioned */ |
| 1249 |
|
|
| 1250 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) { |
| 1251 |
{ |
BitstreamPutBit(bs, 0); /* newpred_enable */ |
| 1252 |
BitstreamPutBit(bs, 0); // newpred_enable |
BitstreamPutBit(bs, (pParam->vol_flags & XVID_VOL_REDUCED_ENABLE)?1:0); |
|
|
|
|
BitstreamPutBit(bs, (pParam->global & XVID_GLOBAL_REDUCED)?1:0); |
|
| 1253 |
/* reduced_resolution_vop_enabled */ |
/* reduced_resolution_vop_enabled */ |
| 1254 |
} |
} |
| 1255 |
|
|
| 1256 |
BitstreamPutBit(bs, 0); // scalability |
BitstreamPutBit(bs, 0); /* scalability */ |
| 1257 |
|
|
| 1258 |
BitstreamPadAlways(bs); // next_start_code() |
BitstreamPadAlways(bs); /* next_start_code(); */ |
| 1259 |
|
|
| 1260 |
/* fake divx5 id, to ensure compatibility with divx5 decoder */ |
/* fake divx5 id, to ensure compatibility with divx5 decoder */ |
| 1261 |
#define DIVX5_ID "DivX501b481p" |
#define DIVX5_ID "DivX999b000p" |
| 1262 |
if (pParam->max_bframes > 0 && (pParam->global & XVID_GLOBAL_PACKED)) { |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) { |
| 1263 |
BitstreamWriteUserData(bs, DIVX5_ID, strlen(DIVX5_ID)); |
BitstreamWriteUserData(bs, DIVX5_ID, strlen(DIVX5_ID)); |
| 1264 |
} |
} |
| 1265 |
|
|
| 1266 |
/* xvid id */ |
/* xvid id */ |
| 1267 |
#define XVID_ID "XviD" XVID_BS_VERSION |
{ |
| 1268 |
BitstreamWriteUserData(bs, XVID_ID, strlen(XVID_ID)); |
const char xvid_user_format[] = "XviD%04d%c"; |
| 1269 |
|
char xvid_user_data[100]; |
| 1270 |
|
sprintf(xvid_user_data, |
| 1271 |
|
xvid_user_format, |
| 1272 |
|
XVID_BS_VERSION, |
| 1273 |
|
(frame->vop_flags & XVID_VOP_CARTOON)?'C':'\0'); |
| 1274 |
|
BitstreamWriteUserData(bs, xvid_user_data, strlen(xvid_user_data)); |
| 1275 |
|
} |
| 1276 |
} |
} |
| 1277 |
|
|
| 1278 |
|
|
| 1284 |
Bitstream * const bs, |
Bitstream * const bs, |
| 1285 |
const MBParam * pParam, |
const MBParam * pParam, |
| 1286 |
const FRAMEINFO * const frame, |
const FRAMEINFO * const frame, |
| 1287 |
int vop_coded) |
int vop_coded, |
| 1288 |
|
unsigned int quant) |
| 1289 |
{ |
{ |
| 1290 |
uint32_t i; |
uint32_t i; |
| 1291 |
|
|
| 1292 |
// BitstreamPad(bs); |
#if 0 |
| 1293 |
/* no padding here, anymore. You have to make sure that you are |
BitstreamPad(bs); |
| 1294 |
byte aligned, and that always 1-8 padding bits have been written */ |
#endif |
| 1295 |
|
|
| 1296 |
|
/* |
| 1297 |
|
* no padding here, anymore. You have to make sure that you are |
| 1298 |
|
* byte aligned, and that always 1-8 padding bits have been written |
| 1299 |
|
*/ |
| 1300 |
|
|
| 1301 |
BitstreamPutBits(bs, VOP_START_CODE, 32); |
BitstreamPutBits(bs, VOP_START_CODE, 32); |
| 1302 |
|
|
| 1303 |
BitstreamPutBits(bs, frame->coding_type, 2); |
BitstreamPutBits(bs, frame->coding_type, 2); |
| 1304 |
DPRINTF(DPRINTF_HEADER, "coding_type = %i", frame->coding_type); |
#if 0 |
| 1305 |
|
DPRINTF(XVID_DEBUG_HEADER, "coding_type = %i\n", frame->coding_type); |
| 1306 |
|
#endif |
| 1307 |
|
|
| 1308 |
for (i = 0; i < frame->seconds; i++) { |
for (i = 0; i < frame->seconds; i++) { |
| 1309 |
BitstreamPutBit(bs, 1); |
BitstreamPutBit(bs, 1); |
| 1312 |
|
|
| 1313 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1314 |
|
|
| 1315 |
// time_increment: value=nth_of_sec, nbits = log2(resolution) |
/* time_increment: value=nth_of_sec, nbits = log2(resolution) */ |
| 1316 |
|
BitstreamPutBits(bs, frame->ticks, MAX(log2bin(pParam->fbase-1), 1)); |
| 1317 |
BitstreamPutBits(bs, frame->ticks, log2bin(pParam->fbase)); |
#if 0 |
| 1318 |
/*DPRINTF("[%i:%i] %c", frame->seconds, frame->ticks, |
DPRINTF("[%i:%i] %c", |
| 1319 |
frame->coding_type == I_VOP ? 'I' : frame->coding_type == |
frame->seconds, frame->ticks, |
| 1320 |
P_VOP ? 'P' : 'B');*/ |
frame->coding_type == I_VOP ? 'I' : |
| 1321 |
|
frame->coding_type == P_VOP ? 'P' : |
| 1322 |
|
frame->coding_type == S_VOP ? 'S' : 'B'); |
| 1323 |
|
#endif |
| 1324 |
|
|
| 1325 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1326 |
|
|
| 1337 |
return; |
return; |
| 1338 |
} |
} |
| 1339 |
|
|
| 1340 |
BitstreamPutBits(bs, 1, 1); // vop_coded |
BitstreamPutBits(bs, 1, 1); /* vop_coded */ |
| 1341 |
|
|
| 1342 |
if ( (frame->coding_type == P_VOP) || (frame->coding_type == S_VOP) ) |
if ( (frame->coding_type == P_VOP) || (frame->coding_type == S_VOP) ) |
| 1343 |
BitstreamPutBits(bs, frame->rounding_type, 1); |
BitstreamPutBits(bs, frame->rounding_type, 1); |
| 1344 |
|
|
| 1345 |
if ((pParam->global & XVID_GLOBAL_REDUCED)) |
if ((frame->vol_flags & XVID_VOL_REDUCED_ENABLE)) |
| 1346 |
BitstreamPutBit(bs, (frame->global_flags & XVID_REDUCED)?1:0); |
BitstreamPutBit(bs, (frame->vop_flags & XVID_VOP_REDUCED)?1:0); |
| 1347 |
|
|
| 1348 |
BitstreamPutBits(bs, 0, 3); // intra_dc_vlc_threshold |
BitstreamPutBits(bs, 0, 3); /* intra_dc_vlc_threshold */ |
| 1349 |
|
|
| 1350 |
if (frame->global_flags & XVID_INTERLACING) { |
if ((frame->vol_flags & XVID_VOL_INTERLACING)) { |
| 1351 |
BitstreamPutBit(bs, (frame->global_flags & XVID_TOPFIELDFIRST)); |
BitstreamPutBit(bs, (frame->vop_flags & XVID_VOP_TOPFIELDFIRST)); |
| 1352 |
BitstreamPutBit(bs, (frame->global_flags & XVID_ALTERNATESCAN)); |
BitstreamPutBit(bs, (frame->vop_flags & XVID_VOP_ALTERNATESCAN)); |
| 1353 |
} |
} |
| 1354 |
|
|
| 1355 |
if (frame->coding_type == S_VOP) { |
if (frame->coding_type == S_VOP) { |
| 1356 |
if (1) { // no_of_sprite_warping_points>=1 (we use 2!) |
if (1) { /* no_of_sprite_warping_points>=1 (we use 2!) */ |
| 1357 |
int k; |
int k; |
| 1358 |
for (k=0;k<2;k++) |
for (k=0;k<3;k++) |
| 1359 |
{ |
{ |
| 1360 |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); // du[k] |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); /* du[k] */ |
| 1361 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1362 |
|
|
| 1363 |
bs_put_spritetrajectory(bs, frame->warp.duv[k].y ); // dv[k] |
bs_put_spritetrajectory(bs, frame->warp.duv[k].y ); /* dv[k] */ |
| 1364 |
WRITE_MARKER(); |
WRITE_MARKER(); |
| 1365 |
|
|
| 1366 |
if (pParam->m_quarterpel) |
if ((frame->vol_flags & XVID_VOL_QUARTERPEL)) |
| 1367 |
{ |
{ |
| 1368 |
DPRINTF(DPRINTF_HEADER,"sprite_warping_point[%i] xy=(%i,%i) *QPEL*", k, frame->warp.duv[k].x/2, frame->warp.duv[k].y/2); |
DPRINTF(XVID_DEBUG_HEADER,"sprite_warping_point[%i] xy=(%i,%i) *QPEL*\n", k, frame->warp.duv[k].x/2, frame->warp.duv[k].y/2); |
| 1369 |
} |
} |
| 1370 |
else |
else |
| 1371 |
{ |
{ |
| 1372 |
DPRINTF(DPRINTF_HEADER,"sprite_warping_point[%i] xy=(%i,%i)", k, frame->warp.duv[k].x, frame->warp.duv[k].y); |
DPRINTF(XVID_DEBUG_HEADER,"sprite_warping_point[%i] xy=(%i,%i)\n", k, frame->warp.duv[k].x, frame->warp.duv[k].y); |
| 1373 |
} |
} |
| 1374 |
} |
} |
| 1375 |
} |
} |
| 1376 |
} |
} |
| 1377 |
|
|
| 1378 |
|
|
| 1379 |
DPRINTF(DPRINTF_HEADER, "quant = %i", frame->quant); |
#if 0 |
| 1380 |
|
DPRINTF(XVID_DEBUG_HEADER, "quant = %i\n", quant); |
| 1381 |
|
#endif |
| 1382 |
|
|
| 1383 |
BitstreamPutBits(bs, frame->quant, 5); // quantizer |
BitstreamPutBits(bs, quant, 5); /* quantizer */ |
| 1384 |
|
|
| 1385 |
if (frame->coding_type != I_VOP) |
if (frame->coding_type != I_VOP) |
| 1386 |
BitstreamPutBits(bs, frame->fcode, 3); // forward_fixed_code |
BitstreamPutBits(bs, frame->fcode, 3); /* forward_fixed_code */ |
| 1387 |
|
|
| 1388 |
if (frame->coding_type == B_VOP) |
if (frame->coding_type == B_VOP) |
| 1389 |
BitstreamPutBits(bs, frame->bcode, 3); // backward_fixed_code |
BitstreamPutBits(bs, frame->bcode, 3); /* backward_fixed_code */ |
| 1390 |
|
|
| 1391 |
} |
} |
| 1392 |
|
|
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Revision Log
| 
Patch