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 |
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 */ |
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56 typedef enum { |
42 typedef enum { |
57 GST_TUNER_CHANNEL_INPUT = (1<<0), |
43 GST_TUNER_CHANNEL_INPUT = (1<<0), |
58 GST_TUNER_CHANNEL_OUTPUT = (1<<1), |
44 GST_TUNER_CHANNEL_OUTPUT = (1<<1), |
59 GST_TUNER_CHANNEL_FREQUENCY = (1<<2), |
45 GST_TUNER_CHANNEL_FREQUENCY = (1<<2), |
60 GST_TUNER_CHANNEL_AUDIO = (1<<3) |
46 GST_TUNER_CHANNEL_AUDIO = (1<<3) |
61 } GstTunerChannelFlags; |
47 } GstTunerChannelFlags; |
62 |
48 |
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 */ |
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70 #define GST_TUNER_CHANNEL_HAS_FLAG(channel, flag) \ |
49 #define GST_TUNER_CHANNEL_HAS_FLAG(channel, flag) \ |
71 ((channel)->flags & flag) |
50 ((channel)->flags & flag) |
72 |
51 |
73 /** |
52 typedef struct _GstTunerChannel { |
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 { |
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84 GObject parent; |
53 GObject parent; |
85 |
54 |
86 /*< public >*/ |
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87 gchar *label; |
55 gchar *label; |
88 GstTunerChannelFlags flags; |
56 GstTunerChannelFlags flags; |
89 gfloat freq_multiplicator; |
57 gfloat freq_multiplicator; |
90 gulong min_frequency; |
58 gulong min_frequency, |
91 gulong max_frequency; |
59 max_frequency; |
92 gint min_signal; |
60 gint min_signal, |
93 gint max_signal; |
61 max_signal; |
94 }; |
62 } GstTunerChannel; |
95 |
63 |
96 struct _GstTunerChannelClass { |
64 typedef struct _GstTunerChannelClass { |
97 GObjectClass parent; |
65 GObjectClass parent; |
98 |
66 |
99 /*< private >*/ |
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100 /* signals */ |
67 /* signals */ |
101 void (*frequency_changed) (GstTunerChannel *channel, |
68 void (*frequency_changed) (GstTunerChannel *channel, |
102 gulong frequency); |
69 gulong frequency); |
103 void (*signal_changed) (GstTunerChannel *channel, |
70 void (*signal_changed) (GstTunerChannel *channel, |
104 gint signal); |
71 gint signal); |
105 |
72 |
106 gpointer _gst_reserved[GST_PADDING]; |
73 gpointer _gst_reserved[GST_PADDING]; |
107 }; |
74 } GstTunerChannelClass; |
108 #ifdef __SYMBIAN32__ |
75 #ifdef __SYMBIAN32__ |
109 IMPORT_C |
76 IMPORT_C |
110 #endif |
77 #endif |
111 |
78 |
112 |
79 |