Use DECLARE_ALIGNED macro instead of gcc __attribute__.
[mplayer/glamo.git] / stream / pvr.h
blobb596c98dd32568f68c40fdb7740fe11c962d8b00
1 /*
2 * stream layer for hardware MPEG 1/2/4 encoders a.k.a PVR
3 * (such as WinTV PVR-150/250/350/500 (a.k.a IVTV), pvrusb2 and cx88)
4 * See http://ivtvdriver.org/index.php/Main_Page for more details on the
5 * cards supported by the ivtv driver.
7 * Copyright (C) 2006 Benjamin Zores
8 * Copyright (C) 2007 Sven Gothel (Channel Navigation)
10 * This file is part of MPlayer.
12 * MPlayer is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * MPlayer is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License along
23 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
24 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 #ifndef MPLAYER_PVR_H
28 #define MPLAYER_PVR_H
30 #include "stream.h"
31 #include "tv.h"
33 /**
34 * @brief Get the current station name.
35 * The pointer is valid, till the stream is closed.
36 * @return The stream's station name
38 const char *pvr_get_current_stationname (stream_t *stream);
40 /**
41 * @brief Get the current channel name.
42 * The pointer is valid, till the stream is closed.
43 * @return The stream's channel name
45 const char *pvr_get_current_channelname (stream_t *stream);
47 /**
48 * @brief Get the current frequency.
49 * @return frequency
51 int pvr_get_current_frequency (stream_t *stream);
53 /**
54 * @brief Set the current station using the channel name.
55 * This function will fail,
56 * if the channel does not exist, or the station is not enabled
57 * @return 0 if the station is available, otherwise -1
59 int pvr_set_channel (stream_t *stream, const char *channel);
61 /**
62 * @brief Set the current station using to the last set channel
63 * @return 0 if the station is available, otherwise -1
65 int pvr_set_lastchannel (stream_t *stream);
67 /**
68 * @brief Set the current channel using the frequency.
69 * This function will fail,
70 * if the frequency does not exist, or the station is not enabled
71 * @return 0 if the station is available, otherwise -1
73 int pvr_set_freq (stream_t *stream, int freq);
75 /**
76 * @brief Set the current station while stepping.
77 * This function will fail,
78 * if the station does not exist, or the station is not enabled
79 * @return 0 if the station is available, otherwise -1
81 int pvr_set_channel_step (stream_t *stream, int step);
83 /**
84 * @brief Set the current frequency while stepping
85 * This function will fail,
86 * if the frequency is invalid, i.e. <0
87 * @return 0 if success, otherwise -1
89 int pvr_force_freq_step (stream_t *stream, int step);
91 #endif /* MPLAYER_PVR_H */