gmerlin
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Audio output plugin. More...
#include <plugin.h>
Data Fields | |
bg_plugin_common_t | common |
Infos and functions common to all plugin types. More... | |
int(* | open )(void *priv, gavl_audio_format_t *format) |
Open plugin. More... | |
int(* | start )(void *priv) |
Start playback. More... | |
void(* | write_audio )(void *priv, gavl_audio_frame_t *frame) |
Write audio samples. More... | |
int(* | get_delay )(void *priv) |
Get the number of buffered audio samples. More... | |
void(* | stop )(void *priv) |
Stop playback. More... | |
void(* | close )(void *priv) |
Close plugin. More... | |
Audio output plugin.
This plugin type implements audio playback through a soundcard.
bg_plugin_common_t bg_oa_plugin_s::common |
Infos and functions common to all plugin types.
int(* bg_oa_plugin_s::open)(void *priv, gavl_audio_format_t *format) |
Open plugin.
priv | The handle returned by the create() method |
format | The format of the media source |
The format will be changed to the nearest format, which is supported by the plugin. To convert the source format to the output format, use a gavl_audio_converter_t
int(* bg_oa_plugin_s::start)(void *priv) |
Start playback.
priv | The handle returned by the create() method |
Notify the plugin, that audio playback is about to begin.
void(* bg_oa_plugin_s::write_audio)(void *priv, gavl_audio_frame_t *frame) |
Write audio samples.
priv | The handle returned by the create() method |
frame | The audio frame to write. |
int(* bg_oa_plugin_s::get_delay)(void *priv) |
Get the number of buffered audio samples.
priv | The handle returned by the create() method |
This function is used for A/V synchronization with the soundcard. If this function is NULL, software synchronization will be used
void(* bg_oa_plugin_s::stop)(void *priv) |
Stop playback.
priv | The handle returned by the create() method |
Notify the plugin, that playback will stop. Playback can be starzed again with start().
void(* bg_oa_plugin_s::close)(void *priv) |
Close plugin.
priv | The handle returned by the create() method |
Close the plugin. After this call, the plugin can be opened with another format