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* XVID VFW FRONTEND |
* XVID VFW FRONTEND |
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* codec |
* codec |
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* |
* |
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* Copyright(C) Peter Ross <pross@xvid.org> |
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* |
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* This program is free software; you can redistribute it and/or modify |
* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
* the Free Software Foundation; either version 2 of the License, or |
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* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
* |
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*************************************************************************/ |
* $Id: codec.c,v 1.27 2010-12-02 06:46:07 Isibaar Exp $ |
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/************************************************************************** |
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* |
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* History: |
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* |
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* 12.07.2002 num_threads |
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* 23.06.2002 XVID_CPU_CHKONLY; loading speed up |
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* 25.04.2002 ICDECOMPRESS_PREROLL |
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* 17.04.2002 re-enabled lumi masking for 1st pass |
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* 15.04.2002 updated cbr support |
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* 04.04.2002 separated 2-pass code to 2pass.c |
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* interlacing support |
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* hinted ME support |
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* 23.03.2002 daniel smith <danielsmith@astroboymail.com> |
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* changed inter4v to only be in modes 5 or 6 |
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* fixed null mode crash ? |
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* merged foxer's alternative 2-pass code |
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* added DEBUGERR output on errors instead of returning |
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* 16.03.2002 daniel smith <danielsmith@astroboymail.com> |
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* changed BITMAPV4HEADER to BITMAPINFOHEADER |
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* - prevents memcpy crash in compress_get_format() |
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* credits are processed in external 2pass mode |
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* motion search precision = 0 now effective in 2-pass |
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* modulated quantization |
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* added DX50 fourcc |
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* 01.12.2001 inital version; (c)2001 peter ross <pross@xvid.org> |
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* |
* |
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*************************************************************************/ |
*************************************************************************/ |
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outhdr->biClrUsed = 0; |
outhdr->biClrUsed = 0; |
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outhdr->biClrImportant = 0; |
outhdr->biClrImportant = 0; |
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if (codec->config.fourcc_used == 0) |
if ((codec->config.fourcc_used == 0) || (profiles[codec->config.profile].flags & PROFILE_XVID)) |
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{ |
{ |
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outhdr->biCompression = FOURCC_XVID; |
outhdr->biCompression = FOURCC_XVID; |
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} |
} |
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pass2.vbv_size = profiles[codec->config.profile].max_vbv_size; |
pass2.vbv_size = profiles[codec->config.profile].max_vbv_size; |
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pass2.vbv_initial = (profiles[codec->config.profile].max_vbv_size*3)/4; /* 75% */ |
pass2.vbv_initial = (profiles[codec->config.profile].max_vbv_size*3)/4; /* 75% */ |
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pass2.vbv_maxrate = profiles[codec->config.profile].max_bitrate; |
pass2.vbv_maxrate = profiles[codec->config.profile].max_bitrate; |
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pass2.vbv_peakrate = profiles[codec->config.profile].vbv_peakrate; |
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// XXX: xvidcore current provides a "peak bits over 3secs" constraint. |
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// according to the latest dxn literature, a 1sec constraint is now used |
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pass2.vbv_peakrate = profiles[codec->config.profile].vbv_peakrate * 3; |
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plugins[create.num_plugins].func = codec->xvid_plugin_2pass2_func; |
plugins[create.num_plugins].func = codec->xvid_plugin_2pass2_func; |
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plugins[create.num_plugins].param = &pass2; |
plugins[create.num_plugins].param = &pass2; |
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LRESULT decompress_begin(CODEC * codec, BITMAPINFO * lpbiInput, BITMAPINFO * lpbiOutput) |
LRESULT decompress_begin(CODEC * codec, BITMAPINFO * lpbiInput, BITMAPINFO * lpbiOutput) |
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{ |
{ |
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BITMAPINFOHEADER * inhdr = &lpbiInput->bmiHeader; |
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xvid_gbl_init_t init; |
xvid_gbl_init_t init; |
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xvid_dec_create_t create; |
xvid_dec_create_t create; |
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HKEY hKey; |
HKEY hKey; |
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create.version = XVID_VERSION; |
create.version = XVID_VERSION; |
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create.width = lpbiInput->bmiHeader.biWidth; |
create.width = lpbiInput->bmiHeader.biWidth; |
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create.height = lpbiInput->bmiHeader.biHeight; |
create.height = lpbiInput->bmiHeader.biHeight; |
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create.fourcc = inhdr->biCompression; |
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switch(codec->xvid_decore_func(0, XVID_DEC_CREATE, &create, NULL)) |
switch(codec->xvid_decore_func(0, XVID_DEC_CREATE, &create, NULL)) |
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{ |
{ |