projects / deliverable / linux.git / blame
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|---|---|---|
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1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | ||
| 3 | .. _AUDIO_SET_MUTE: | |
| 4 | ||
| 586027ce | 5 | ============== |
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6 | AUDIO_SET_MUTE |
| 7 | ============== | |
| 8 | ||
| 15e7d615 | 9 | Name |
| 586027ce | 10 | ---- |
| 47d23e36 | 11 | |
| 586027ce | 12 | AUDIO_SET_MUTE |
| 47d23e36 | 13 | |
| cf8076c3 | 14 | .. attention:: This ioctl is deprecated |
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15 | |
| 16 | Synopsis | |
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17 | -------- |
| 18 | ||
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19 | .. c:function:: int ioctl(int fd, AUDIO_SET_MUTE, boolean state) |
| 20 | :name: AUDIO_SET_MUTE | |
| 47d23e36 | 21 | |
| 47d23e36 | 22 | |
| 15e7d615 | 23 | Arguments |
| 586027ce | 24 | --------- |
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25 | |
| 26 | .. flat-table:: | |
| 27 | :header-rows: 0 | |
| 28 | :stub-columns: 0 | |
| 29 | ||
| 30 | ||
| cf8076c3 | 31 | - |
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32 | |
| 33 | - int fd | |
| 34 | ||
| 35 | - File descriptor returned by a previous call to open(). | |
| 36 | ||
| cf8076c3 | 37 | - |
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38 | |
| 39 | - boolean state | |
| 40 | ||
| 41 | - Indicates if audio device shall mute or not. | |
| 42 | ||
| cf8076c3 | 43 | TRUE: Audio Mute |
| 47d23e36 | 44 | |
| cf8076c3 | 45 | FALSE: Audio Un-mute |
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46 | |
| 47 | ||
| 15e7d615 | 48 | Description |
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49 | ----------- |
| 50 | ||
| 51 | This ioctl is for DVB devices only. To control a V4L2 decoder use the | |
| 52 | V4L2 :ref:`VIDIOC_DECODER_CMD` with the | |
| 53 | ``V4L2_DEC_CMD_START_MUTE_AUDIO`` flag instead. | |
| 54 | ||
| 55 | This ioctl call asks the audio device to mute the stream that is | |
| 56 | currently being played. | |
| 57 | ||
| 58 | ||
| 15e7d615 | 59 | Return Value |
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60 | ------------ |
| 61 | ||
| 62 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
| 63 | appropriately. The generic error codes are described at the | |
| 64 | :ref:`Generic Error Codes <gen-errors>` chapter. |