1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun.. c:namespace:: DTV.audio 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun.. _audio_fwrite: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun========================= 7*4882a593SmuzhiyunDigital TV audio write() 8*4882a593Smuzhiyun========================= 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunName 11*4882a593Smuzhiyun---- 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunDigital TV audio write() 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun.. attention:: This ioctl is deprecated 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunSynopsis 18*4882a593Smuzhiyun-------- 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun.. c:function:: size_t write(int fd, const void *buf, size_t count) 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunArguments 23*4882a593Smuzhiyun--------- 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun.. flat-table:: 26*4882a593Smuzhiyun :header-rows: 0 27*4882a593Smuzhiyun :stub-columns: 0 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun - .. row 1 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun - int fd 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun - File descriptor returned by a previous call to open(). 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun - .. row 2 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun - void \*buf 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun - Pointer to the buffer containing the PES data. 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun - .. row 3 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun - size_t count 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun - Size of buf. 46*4882a593Smuzhiyun 47*4882a593SmuzhiyunDescription 48*4882a593Smuzhiyun----------- 49*4882a593Smuzhiyun 50*4882a593SmuzhiyunThis system call can only be used if AUDIO_SOURCE_MEMORY is selected 51*4882a593Smuzhiyunin the ioctl call AUDIO_SELECT_SOURCE. The data provided shall be in 52*4882a593SmuzhiyunPES format. If O_NONBLOCK is not specified the function will block 53*4882a593Smuzhiyununtil buffer space is available. The amount of data to be transferred is 54*4882a593Smuzhiyunimplied by count. 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunReturn Value 57*4882a593Smuzhiyun------------ 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun.. flat-table:: 60*4882a593Smuzhiyun :header-rows: 0 61*4882a593Smuzhiyun :stub-columns: 0 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun - .. row 1 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun - ``EPERM`` 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun - Mode AUDIO_SOURCE_MEMORY not selected. 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun - .. row 2 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun - ``ENOMEM`` 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun - Attempted to write more data than the internal buffer can hold. 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun - .. row 3 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun - ``EBADF`` 78*4882a593Smuzhiyun 79*4882a593Smuzhiyun - fd is not a valid open file descriptor. 80