| .. -*- coding: utf-8; mode: rst -*- |
| |
| .. _AUDIO_SET_STREAMTYPE: |
| |
| ==================== |
| AUDIO_SET_STREAMTYPE |
| ==================== |
| |
| Name |
| ---- |
| |
| AUDIO_SET_STREAMTYPE |
| |
| |
| Synopsis |
| -------- |
| |
| .. cpp:function:: int ioctl(fd, int request = AUDIO_SET_STREAMTYPE, int type) |
| |
| |
| Arguments |
| --------- |
| |
| .. flat-table:: |
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| - .. row 1 |
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| - int fd |
| |
| - File descriptor returned by a previous call to open(). |
| |
| - .. row 2 |
| |
| - int request |
| |
| - Equals AUDIO_SET_STREAMTYPE for this command. |
| |
| - .. row 3 |
| |
| - int type |
| |
| - stream type |
| |
| |
| Description |
| ----------- |
| |
| This ioctl tells the driver which kind of audio stream to expect. This |
| is useful if the stream offers several audio sub-streams like LPCM and |
| AC3. |
| |
| |
| Return Value |
| ------------ |
| |
| On success 0 is returned, on error -1 and the ``errno`` variable is set |
| appropriately. The generic error codes are described at the |
| :ref:`Generic Error Codes <gen-errors>` chapter. |
| |
| |
| |
| .. flat-table:: |
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| - .. row 1 |
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| - ``EINVAL`` |
| |
| - type is not a valid or supported stream type. |