David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | .. Permission is granted to copy, distribute and/or modify this |
| 2 | .. document under the terms of the GNU Free Documentation License, |
| 3 | .. Version 1.1 or any later version published by the Free Software |
| 4 | .. Foundation, with no Invariant Sections, no Front-Cover Texts |
| 5 | .. and no Back-Cover Texts. A copy of the license is included at |
| 6 | .. Documentation/media/uapi/fdl-appendix.rst. |
| 7 | .. |
| 8 | .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 9 | |
| 10 | .. _AUDIO_SET_BYPASS_MODE: |
| 11 | |
| 12 | ===================== |
| 13 | AUDIO_SET_BYPASS_MODE |
| 14 | ===================== |
| 15 | |
| 16 | Name |
| 17 | ---- |
| 18 | |
| 19 | AUDIO_SET_BYPASS_MODE |
| 20 | |
| 21 | .. attention:: This ioctl is deprecated |
| 22 | |
| 23 | Synopsis |
| 24 | -------- |
| 25 | |
| 26 | .. c:function:: int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode) |
| 27 | :name: AUDIO_SET_BYPASS_MODE |
| 28 | |
| 29 | Arguments |
| 30 | --------- |
| 31 | |
| 32 | .. flat-table:: |
| 33 | :header-rows: 0 |
| 34 | :stub-columns: 0 |
| 35 | |
| 36 | |
| 37 | - |
| 38 | |
| 39 | - int fd |
| 40 | |
| 41 | - File descriptor returned by a previous call to open(). |
| 42 | |
| 43 | - |
| 44 | |
| 45 | - boolean mode |
| 46 | |
| 47 | - Enables or disables the decoding of the current Audio stream in |
| 48 | the Digital TV subsystem. |
| 49 | |
| 50 | TRUE: Bypass is disabled |
| 51 | |
| 52 | FALSE: Bypass is enabled |
| 53 | |
| 54 | |
| 55 | Description |
| 56 | ----------- |
| 57 | |
| 58 | This ioctl call asks the Audio Device to bypass the Audio decoder and |
| 59 | forward the stream without decoding. This mode shall be used if streams |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 60 | that can’t be handled by the Digital TV system shall be decoded. Dolby |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 61 | DigitalTM streams are automatically forwarded by the Digital TV subsystem if |
| 62 | the hardware can handle it. |
| 63 | |
| 64 | |
| 65 | Return Value |
| 66 | ------------ |
| 67 | |
| 68 | On success 0 is returned, on error -1 and the ``errno`` variable is set |
| 69 | appropriately. The generic error codes are described at the |
| 70 | :ref:`Generic Error Codes <gen-errors>` chapter. |