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video_out_null.c
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00024 #include "config.h"
00025
00026 #include <stdlib.h>
00027 #include <inttypes.h>
00028
00029 #include "video_out.h"
00030 #include "convert.h"
00031
00032 static void null_draw_frame (vo_instance_t * instance,
00033 uint8_t * const * buf, void * id)
00034 {
00035 }
00036
00037 static vo_instance_t * internal_open (int setup (vo_instance_t *, int, int,
00038 vo_setup_result_t *))
00039 {
00040 vo_instance_t * instance;
00041
00042 instance = (vo_instance_t *) malloc (sizeof (vo_instance_t));
00043 if (instance == NULL)
00044 return NULL;
00045
00046 instance->setup = setup;
00047 instance->setup_fbuf = NULL;
00048 instance->set_fbuf = NULL;
00049 instance->start_fbuf = NULL;
00050 instance->draw = null_draw_frame;
00051 instance->discard = NULL;
00052 instance->close = NULL;
00053
00054 return instance;
00055 }
00056
00057 static int null_setup (vo_instance_t * instance, int width, int height,
00058 vo_setup_result_t * result)
00059 {
00060 result->convert = NULL;
00061 return 0;
00062 }
00063
00064 vo_instance_t * vo_null_open (void)
00065 {
00066 return internal_open (null_setup);
00067 }
00068
00069 static void nullslice_start (void * id, uint8_t * const * dest, int flags)
00070 {
00071 }
00072
00073 static void nullslice_copy (void * id, uint8_t * const * src,
00074 unsigned int v_offset)
00075 {
00076 }
00077
00078 static void nullslice_convert (int width, int height, uint32_t accel,
00079 void * arg, convert_init_t * result)
00080 {
00081 result->id_size = 0;
00082 result->buf_size[0] = result->buf_size[1] = result->buf_size[2] = 0;
00083 result->start = nullslice_start;
00084 result->copy = nullslice_copy;
00085 }
00086
00087 static int nullslice_setup (vo_instance_t * instance, int width, int height,
00088 vo_setup_result_t * result)
00089 {
00090 result->convert = nullslice_convert;
00091 return 0;
00092 }
00093
00094 vo_instance_t * vo_nullslice_open (void)
00095 {
00096 return internal_open (nullslice_setup);
00097 }
00098
00099 static int nullrgb16_setup (vo_instance_t * instance, int width, int height,
00100 vo_setup_result_t * result)
00101 {
00102 result->convert = convert_rgb16;
00103 return 0;
00104 }
00105
00106 static int nullrgb32_setup (vo_instance_t * instance, int width, int height,
00107 vo_setup_result_t * result)
00108 {
00109 result->convert = convert_rgb32;
00110 return 0;
00111 }
00112
00113 vo_instance_t * vo_nullrgb16_open (void)
00114 {
00115 return internal_open (nullrgb16_setup);
00116 }
00117
00118 vo_instance_t * vo_nullrgb32_open (void)
00119 {
00120 return internal_open (nullrgb32_setup);
00121 }