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 9 10.. _audio_fwrite: 11 12========================= 13Digital TV audio write() 14========================= 15 16Name 17---- 18 19Digital TV audio write() 20 21.. attention:: This ioctl is deprecated 22 23Synopsis 24-------- 25 26.. c:function:: size_t write(int fd, const void *buf, size_t count) 27 :name: dvb-audio-write 28 29 30Arguments 31--------- 32 33.. flat-table:: 34 :header-rows: 0 35 :stub-columns: 0 36 37 38 - .. row 1 39 40 - int fd 41 42 - File descriptor returned by a previous call to open(). 43 44 - .. row 2 45 46 - void \*buf 47 48 - Pointer to the buffer containing the PES data. 49 50 - .. row 3 51 52 - size_t count 53 54 - Size of buf. 55 56 57Description 58----------- 59 60This system call can only be used if AUDIO_SOURCE_MEMORY is selected 61in the ioctl call AUDIO_SELECT_SOURCE. The data provided shall be in 62PES format. If O_NONBLOCK is not specified the function will block 63until buffer space is available. The amount of data to be transferred is 64implied by count. 65 66 67Return Value 68------------ 69 70.. flat-table:: 71 :header-rows: 0 72 :stub-columns: 0 73 74 75 - .. row 1 76 77 - ``EPERM`` 78 79 - Mode AUDIO_SOURCE_MEMORY not selected. 80 81 - .. row 2 82 83 - ``ENOMEM`` 84 85 - Attempted to write more data than the internal buffer can hold. 86 87 - .. row 3 88 89 - ``EBADF`` 90 91 - fd is not a valid open file descriptor. 92