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78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2010 Niels Elburg <nwelburg@gmail.com / niels@dyne.org >
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* - re-use Freej's v4l2 cam driver
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* - implemented controls method and image format negotiation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License , or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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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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*/
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#ifndef V4L2UTILS
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#define V4L2UTILS
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typedef struct {
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char *file;
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int channel;
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int host_fmt;
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int wid;
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int hei;
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float fps;
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char norm;
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void *v4l2;
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VJFrame *dst;
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int paused;
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int stop;
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int grabbing;
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int retries;
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pthread_mutex_t mutex;
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pthread_t thread;
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pthread_attr_t attr;
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pthread_cond_t cond;
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} v4l2_thread_info;
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void *v4l2open ( const char *file, const int input_channel, int host_fmt, int wid, int hei, float fps, char norm );
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int v4l2_pull_frame(void *vv,VJFrame *dst);
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void v4l2_close( void *d );
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const char* v4l2_get_property_name( const int id );
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void v4l2_get_controls( void *d, void *port );
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void v4l2_set_control( void *v, int32_t type, int32_t value );
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int32_t v4l2_get_control( void *d, int32_t type );
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int v4l2_set_roi( void *d, int w, int h, int x, int y );
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int v4l2_reset_roi( void *d );
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int v4l2_get_currentscaling_factor_and_pixel_aspect(void *d);
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int v4l2_num_devices();
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char **v4l2_get_device_list();
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int v4l2_get_composite_status( void *d );
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void v4l2_set_composite_status( void *d, int status);
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void v4l2_set_input_channel( void *d, int num );
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void v4l2_set_brightness( void *d, int32_t value );
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int32_t v4l2_get_brightness( void *d );
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void v4l2_set_saturation( void *d, int32_t value );
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int32_t v4l2_get_saturation( void *d );
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void v4l2_set_temperature( void *d, int32_t value );
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int32_t v4l2_get_temperature( void *d );
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void v4l2_set_contrast( void *d, int32_t value );
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int32_t v4l2_get_contrast( void *d );
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void v4l2_set_hue( void *d, int32_t value );
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int32_t v4l2_get_hue( void *d );
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VJFrame *v4l2_get_dst( void *v,uint8_t *Y, uint8_t *U, uint8_t *V );
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int v4l2_poll( void *d , int nfds, int timeout );
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int v4l2_thread_start( v4l2_thread_info *info );
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void v4l2_thread_stop( v4l2_thread_info *i );
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int v4l2_thread_pull( v4l2_thread_info *i , VJFrame *dst );
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void *v4l2_thread_new( char *file, int channel, int host_fmt, int wid, int hei, float fps, char norm );
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v4l2_thread_info *v4l2_thread_info_get( void *vv);
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void v4l2_set_status( void *d , int status);
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#endif
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