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| author | Andreas Eversberg <jolly@eversberg.eu> | 2017-08-20 07:43:41 +0200 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2017-09-02 07:34:50 +0200 |
| commit | 496aff5a7954111ddf3b64d1dde664164f344e40 (patch) | |
| tree | 525db45f8519ec00409304f61652eaa3f9ac68e1 /src/tv/bas.h | |
| parent | a52c89800c9826634bcae3a635b71feb905b3641 (diff) | |
Add implementation of analog TV signal generator (PAL so far)
Quick and dirty Howto:
make && tv/osmotv --sdr-soapy --sdr-tx-gain 60 -r 15000000 -c 21 tx-fubk --sdr-tune-args "OFFSET=-3000000"
Diffstat (limited to 'src/tv/bas.h')
| -rw-r--r-- | src/tv/bas.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/tv/bas.h b/src/tv/bas.h new file mode 100644 index 0000000..42090a6 --- /dev/null +++ b/src/tv/bas.h @@ -0,0 +1,25 @@ + +enum bas_type { + BAS_FUBK, + BAS_VCR, + BAS_IMAGE, +}; + +typedef struct bas { + double samplerate; + enum bas_type type; + int fbas; /* if color shall be added */ + double circle_radius; /* radius of circle in grid units */ + int color_bar; /* show only color bar on all lines */ + int grid_only; /* show only the grid */ + const char *station_id; /* text to display as station id */ + double color_phase; /* current phase of color carrier */ + int v_polarity; /* polarity of V color vector */ + unsigned short *img; /* image data, if it should be used */ + int img_width, img_height; /* size of image */ + iir_filter_t lp_y, lp_u, lp_v; /* low pass filters */ +} bas_t; + +void bas_init(bas_t *bas, double samplerate, enum bas_type type, int fbas, double circle_radius, int color_bar, int grid_only, const char *station_id, unsigned short *img, int width, int height); +int bas_generate(bas_t *bas, sample_t *sample); + |