vdr  2.2.0
hdffcmd_mux.c
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1 /**********************************************************************
2  *
3  * HDFF firmware command interface library
4  *
5  * Copyright (C) 2011 Andreas Regel
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the
19  * Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21  *
22  *********************************************************************/
23 
24 #include <stdint.h>
25 #include <string.h>
26 #include <sys/ioctl.h>
27 
28 #include "hdffcmd.h"
29 #include "hdffcmd_base.h"
30 #include "hdffcmd_defs.h"
31 
32 
33 int HdffCmdMuxSetVideoOut(int OsdDevice, HdffVideoOut_t VideoOut)
34 {
35  uint8_t cmdData[8];
36  BitBuffer_t cmdBuf;
37  osd_raw_cmd_t osd_cmd;
38 
39  BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
40  memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
41  osd_cmd.cmd_data = cmdData;
44  BitBuffer_SetBits(&cmdBuf, 4, VideoOut);
45  BitBuffer_SetBits(&cmdBuf, 4, 0); // reserved
46  osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
47  return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
48 }
49 
50 int HdffCmdMuxSetVolume(int OsdDevice, uint8_t Volume)
51 {
52  uint8_t cmdData[8];
53  BitBuffer_t cmdBuf;
54  osd_raw_cmd_t osd_cmd;
55 
56  BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
57  memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
58  osd_cmd.cmd_data = cmdData;
61  BitBuffer_SetBits(&cmdBuf, 8, Volume);
62  osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
63  return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
64 }
65 
66 int HdffCmdMuxMuteAudio(int OsdDevice, int Mute)
67 {
68  uint8_t cmdData[8];
69  BitBuffer_t cmdBuf;
70  osd_raw_cmd_t osd_cmd;
71 
72  BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
73  memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
74  osd_cmd.cmd_data = cmdData;
77  BitBuffer_SetBits(&cmdBuf, 1, Mute);
78  BitBuffer_SetBits(&cmdBuf, 7, 0); // reserved
79  osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
80  return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
81 }
void BitBuffer_SetBits(BitBuffer_t *BitBuffer, int NumBits, uint32_t Data)
Definition: bitbuffer.c:37
const void * cmd_data
Definition: hdffcmd_base.h:31
HdffVideoOut_t
Definition: hdffcmd_mux.h:28
uint32_t HdffCmdSetLength(BitBuffer_t *MsgBuf)
Definition: hdffcmd_base.c:36
int HdffCmdMuxMuteAudio(int OsdDevice, int Mute)
Definition: hdffcmd_mux.c:66
void BitBuffer_Init(BitBuffer_t *BitBuffer, uint8_t *Data, uint32_t MaxLength)
Definition: bitbuffer.c:28
void HdffCmdBuildHeader(BitBuffer_t *MsgBuf, HdffMessageType_t MsgType, HdffMessageGroup_t MsgGroup, HdffMessageId_t MsgId)
Definition: hdffcmd_base.c:26
int HdffCmdMuxSetVideoOut(int OsdDevice, HdffVideoOut_t VideoOut)
Definition: hdffcmd_mux.c:33
#define OSD_RAW_CMD
Definition: hdffcmd_base.h:43
int HdffCmdMuxSetVolume(int OsdDevice, uint8_t Volume)
Definition: hdffcmd_mux.c:50