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Diffstat (limited to 'doc/hackersguide/stream.sgml')
| -rw-r--r-- | doc/hackersguide/stream.sgml | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/hackersguide/stream.sgml b/doc/hackersguide/stream.sgml index c5460f029..3b92e3058 100644 --- a/doc/hackersguide/stream.sgml +++ b/doc/hackersguide/stream.sgml @@ -542,7 +542,11 @@ This function performs the bulk of the decoding work. The xine engine delivers buffers (xine_buffer_t data types) to this function and it is up to this function to assemble the parts of the buffer, decode the data, and - send the decoded data to the proper output unit. + send the decoded data to the proper output unit. The constraint is that + you must never call a port function of the output port when the port has + not been opened by you. (See the <function>open()</function> and + <function>close()</function> functions of <type>xine_video_port_t</type> + and <type>xine_audio_port_t</type>.) </para> <para> A buffer has a <varname>decoder_flags</varname> field which can have |