37 #define GST_IS_TUNER_CHANNEL(obj) \ |
37 #define GST_IS_TUNER_CHANNEL(obj) \ |
38 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER_CHANNEL)) |
38 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER_CHANNEL)) |
39 #define GST_IS_TUNER_CHANNEL_CLASS(klass) \ |
39 #define GST_IS_TUNER_CHANNEL_CLASS(klass) \ |
40 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER_CHANNEL)) |
40 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER_CHANNEL)) |
41 |
41 |
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42 typedef struct _GstTunerChannel GstTunerChannel; |
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43 typedef struct _GstTunerChannelClass GstTunerChannelClass; |
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44 |
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45 /** |
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46 * GstTunerChannelFlags: |
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47 * @GST_TUNER_CHANNEL_INPUT: The channel is for input |
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48 * @GST_TUNER_CHANNEL_OUTPUT: The channel is for output |
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49 * @GST_TUNER_CHANNEL_FREQUENCY: The channel has a frequency setting |
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50 * and signal strength. |
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51 * @GST_TUNER_CHANNEL_AUDIO: The channel carries audio. |
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52 * |
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53 * An enumeration for flags indicating the available capabilities |
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54 * of a #GstTunerChannel. |
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55 */ |
42 typedef enum { |
56 typedef enum { |
43 GST_TUNER_CHANNEL_INPUT = (1<<0), |
57 GST_TUNER_CHANNEL_INPUT = (1<<0), |
44 GST_TUNER_CHANNEL_OUTPUT = (1<<1), |
58 GST_TUNER_CHANNEL_OUTPUT = (1<<1), |
45 GST_TUNER_CHANNEL_FREQUENCY = (1<<2), |
59 GST_TUNER_CHANNEL_FREQUENCY = (1<<2), |
46 GST_TUNER_CHANNEL_AUDIO = (1<<3) |
60 GST_TUNER_CHANNEL_AUDIO = (1<<3) |
47 } GstTunerChannelFlags; |
61 } GstTunerChannelFlags; |
48 |
62 |
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63 /** |
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64 * GST_TUNER_CHANNEL_HAS_FLAG: |
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65 * @channel: A #GstTunerChannel |
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66 * @flag: The flag to check for |
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67 * |
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68 * Macro to check if the given flag is set on a channel |
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69 */ |
49 #define GST_TUNER_CHANNEL_HAS_FLAG(channel, flag) \ |
70 #define GST_TUNER_CHANNEL_HAS_FLAG(channel, flag) \ |
50 ((channel)->flags & flag) |
71 ((channel)->flags & flag) |
51 |
72 |
52 typedef struct _GstTunerChannel { |
73 /** |
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74 * GstTunerChannel: |
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75 * @label: A string containing a descriptive name for this channel |
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76 * @flags: A set of #GstTunerChannelFlags for this channel |
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77 * @freq_multiplicator: The step size (in Hz) for the frequency setting. |
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78 * @min_frequency: Minimum valid frequency setting (in Hz). |
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79 * @max_frequency: Maximum valid frequency setting (in Hz). |
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80 * @min_signal: Minimum reported signal strength value. |
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81 * @max_signal: Maximum reported signal strength value. |
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82 */ |
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83 struct _GstTunerChannel { |
53 GObject parent; |
84 GObject parent; |
54 |
85 |
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86 /*< public >*/ |
55 gchar *label; |
87 gchar *label; |
56 GstTunerChannelFlags flags; |
88 GstTunerChannelFlags flags; |
57 gfloat freq_multiplicator; |
89 gfloat freq_multiplicator; |
58 gulong min_frequency, |
90 gulong min_frequency; |
59 max_frequency; |
91 gulong max_frequency; |
60 gint min_signal, |
92 gint min_signal; |
61 max_signal; |
93 gint max_signal; |
62 } GstTunerChannel; |
94 }; |
63 |
95 |
64 typedef struct _GstTunerChannelClass { |
96 struct _GstTunerChannelClass { |
65 GObjectClass parent; |
97 GObjectClass parent; |
66 |
98 |
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99 /*< private >*/ |
67 /* signals */ |
100 /* signals */ |
68 void (*frequency_changed) (GstTunerChannel *channel, |
101 void (*frequency_changed) (GstTunerChannel *channel, |
69 gulong frequency); |
102 gulong frequency); |
70 void (*signal_changed) (GstTunerChannel *channel, |
103 void (*signal_changed) (GstTunerChannel *channel, |
71 gint signal); |
104 gint signal); |
72 |
105 |
73 gpointer _gst_reserved[GST_PADDING]; |
106 gpointer _gst_reserved[GST_PADDING]; |
74 } GstTunerChannelClass; |
107 }; |
75 #ifdef __SYMBIAN32__ |
108 #ifdef __SYMBIAN32__ |
76 IMPORT_C |
109 IMPORT_C |
77 #endif |
110 #endif |
78 |
111 |
79 |
112 |