18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ci.. _dvb_audio: 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci####################### 68c2ecf20Sopenharmony_ciDigital TV Audio Device 78c2ecf20Sopenharmony_ci####################### 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ciThe Digital TV audio device controls the MPEG2 audio decoder of the Digital 108c2ecf20Sopenharmony_ciTV hardware. It can be accessed through ``/dev/dvb/adapter?/audio?``. Data 118c2ecf20Sopenharmony_citypes and and ioctl definitions can be accessed by including 128c2ecf20Sopenharmony_ci``linux/dvb/audio.h`` in your application. 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciPlease note that some Digital TV cards don’t have their own MPEG decoder, which 158c2ecf20Sopenharmony_ciresults in the omission of the audio and video device. 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciThese ioctls were also used by V4L2 to control MPEG decoders implemented 188c2ecf20Sopenharmony_ciin V4L2. The use of these ioctls for that purpose has been made obsolete 198c2ecf20Sopenharmony_ciand proper V4L2 ioctls or controls have been created to replace that 208c2ecf20Sopenharmony_cifunctionality. 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci.. toctree:: 248c2ecf20Sopenharmony_ci :maxdepth: 1 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci audio_data_types 278c2ecf20Sopenharmony_ci audio_function_calls 28