mirror of https://github.com/mpv-player/mpv
command: expose track list as properties
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@ -870,6 +870,48 @@ an option at runtime.
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List of audio/video/sub tracks, current entry marked. Currently, the raw
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property value is useless.
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This has a number of sub-properties. Replace ``N`` with the 0-based track
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index.
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``track-list/count``
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Total number of tracks.
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``track-list/N/id``
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The ID as it's used for ``-sid``/``--aid``/``--vid``. This is unique
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within tracks of the same type (sub/audio/video), but otherwise not.
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``track-list/N/type``
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String describing the media type. One of ``audio``, ``video``, ``sub``.
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``track-list/N/src-id``
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Track ID as used in the source file. Not always available.
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``track-list/N/title``
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Track title as it is stored in the file. Not always available.
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``track-list/N/lang``
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Track language as identified by the file. Not always available.
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``track-list/N/albumart``
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``yes`` if this is a video track that consists of a single picture,
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``no`` or unavailable otherwise. This is used for video tracks that are
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really attached pictures in audio files.
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``track-list/N/default``
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``yes`` if the track has the default flag set in the file, ``no``
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otherwise.
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``track-list/N/external``
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``yes`` if the track is an external file, ``no`` otherwise. This is
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set for separate subtitle files.
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``track-list/N/external-filename``
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The filename if the track is from an external file, unavailable
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otherwise.
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``track-list/N/selected``
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``yes`` if the track is currently decoded, ``no`` otherwise.
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``chapter-list``
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List of chapters, current entry marked. Currently, the raw property value
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is useless.
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@ -1063,6 +1063,33 @@ static int property_switch_track(m_option_t *prop, int action, void *arg,
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return mp_property_generic_option(prop, action, arg, mpctx);
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}
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static int get_track_entry(int item, int action, void *arg, void *ctx)
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{
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struct MPContext *mpctx = ctx;
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struct track *track = mpctx->tracks[item];
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struct m_sub_property props[] = {
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{"id", SUB_PROP_INT(track->user_tid)},
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{"type", SUB_PROP_STR(stream_type_name(track->type)),
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.unavailable = !stream_type_name(track->type)},
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{"src-id", SUB_PROP_INT(track->demuxer_id),
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.unavailable = track->demuxer_id == -1},
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{"title", SUB_PROP_STR(track->title),
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.unavailable = !track->title},
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{"lang", SUB_PROP_STR(track->lang),
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.unavailable = !track->lang},
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{"albumart", SUB_PROP_FLAG(track->attached_picture)},
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{"default", SUB_PROP_FLAG(track->default_track)},
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{"external", SUB_PROP_FLAG(track->is_external)},
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{"selected", SUB_PROP_FLAG(track->selected)},
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{"external-filename", SUB_PROP_STR(track->external_filename),
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.unavailable = !track->external_filename},
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{0}
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};
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return m_property_read_sub(props, action, arg);
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}
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static const char *track_type_name(enum stream_type t)
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{
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switch (t) {
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@ -1076,7 +1103,7 @@ static const char *track_type_name(enum stream_type t)
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static int property_list_tracks(m_option_t *prop, int action, void *arg,
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MPContext *mpctx)
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{
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if (action == M_PROPERTY_GET) {
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if (action == M_PROPERTY_PRINT) {
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char *res = NULL;
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for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
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@ -1113,7 +1140,8 @@ static int property_list_tracks(m_option_t *prop, int action, void *arg,
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*(char **)arg = res;
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return M_PROPERTY_OK;
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}
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return M_PROPERTY_NOT_IMPLEMENTED;
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return m_property_read_list(action, arg, mpctx->num_tracks,
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get_track_entry, mpctx);
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}
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/// Selected audio id (RW)
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@ -1954,7 +1982,7 @@ static const m_option_t mp_properties[] = {
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0, 0, 0, NULL },
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{ "chapter-list", mp_property_list_chapters, CONF_TYPE_STRING },
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{ "track-list", property_list_tracks, CONF_TYPE_STRING },
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M_PROPERTY("track-list", property_list_tracks),
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{ "playlist", mp_property_playlist, CONF_TYPE_STRING },
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{ "playlist-pos", mp_property_playlist_pos, CONF_TYPE_INT },
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