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51 lines
1.7 KiB
51 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* Linux driver for Philips webcam |
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(C) 2004-2006 Luc Saillard ([email protected]) |
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NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx |
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driver and thus may have bugs that are not present in the original version. |
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Please send bug reports and support requests to <[email protected]>. |
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The decompression routines have been implemented by reverse-engineering the |
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Nemosoft binary pwcx module. Caveat emptor. |
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*/ |
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/* This tables contains entries for the 675/680/690 (Timon) camera, with |
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4 different qualities (no compression, low, medium, high). |
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It lists the bandwidth requirements for said mode by its alternate interface |
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number. An alternate of 0 means that the mode is unavailable. |
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There are 6 * 4 * 4 entries: |
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6 different resolutions subqcif, qsif, qcif, sif, cif, vga |
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6 framerates: 5, 10, 15, 20, 25, 30 |
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4 compression modi: none, low, medium, high |
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When an uncompressed mode is not available, the next available compressed mode |
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will be chosen (unless the decompressor is absent). Sometimes there are only |
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1 or 2 compressed modes available; in that case entries are duplicated. |
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*/ |
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#ifndef PWC_TIMON_H |
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#define PWC_TIMON_H |
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#include "pwc.h" |
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#define PWC_FPS_MAX_TIMON 6 |
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struct Timon_table_entry |
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{ |
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char alternate; /* USB alternate interface */ |
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unsigned short packetsize; /* Normal packet size */ |
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unsigned short bandlength; /* Bandlength when decompressing */ |
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unsigned char mode[13]; /* precomputed mode settings for cam */ |
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}; |
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extern const struct Timon_table_entry Timon_table[PSZ_MAX][PWC_FPS_MAX_TIMON][4]; |
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extern const unsigned int TimonRomTable [16][2][16][8]; |
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extern const unsigned int Timon_fps_vector[PWC_FPS_MAX_TIMON]; |
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#endif |
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