[vlc-devel] [PATCH 01/15] Enable selection of secondary SPU ES in the core
Roland Bewick
roland.bewick at gmail.com
Tue May 14 11:40:00 CEST 2019
---
include/vlc_player.h | 13 +++++++++++++
src/input/es_out.c | 47 ++++++++++++++++++++++++++++++++++++++++++++--
src/input/es_out.h | 5 ++++-
src/input/input.c | 5 +++++
src/input/input_internal.h | 1 +
src/input/player.c | 11 +++++++++++
src/libvlccore.sym | 1 +
7 files changed, 80 insertions(+), 3 deletions(-)
diff --git a/include/vlc_player.h b/include/vlc_player.h
index 1aa5f8e687..077b3883ad 100644
--- a/include/vlc_player.h
+++ b/include/vlc_player.h
@@ -2428,6 +2428,19 @@ VLC_API unsigned
vlc_player_GetSubtitleTextScale(vlc_player_t *player);
/**
+ * Allow secondary subtitle track(s) to be selected when
+ * the primary subtitle track is already selected.
+ *
+ * @note This must be returned to false immediately after
+ * selection of the subtitle.
+ *
+ * @param player locked player instance
+ * @param select true to allow selection of multiple subtitles
+ */
+VLC_API void
+vlc_player_SetSubtitleMultipleSelection(vlc_player_t *player, bool multiple);
+
+/**
* Get the signal quality and strength of the current media
*
* @param player locked player instance
diff --git a/src/input/es_out.c b/src/input/es_out.c
index 2026fb8c22..73088c87d4 100644
--- a/src/input/es_out.c
+++ b/src/input/es_out.c
@@ -209,6 +209,9 @@ typedef struct
/* Used only to limit debugging output */
int i_prev_stream_level;
+ /* Used to temporarily allow subtitle selection of multiple sub tracks */
+ bool b_multiple_subtitle_selection;
+
es_out_t out;
} es_out_sys_t;
@@ -2037,6 +2040,24 @@ static void EsOutUnselectEs( es_out_t *out, es_out_id_t *es, bool b_update )
}
/**
+ * Count the number of selected ES of the given category
+ * \param i_cat the ES category (e.g. SPU_ES)
+ * \return count
+ */
+static int EsOutCountSelected( es_out_sys_t *p_sys,
+ enum es_format_category_e i_cat )
+{
+ int i_selected_count = 0;
+ es_out_id_t *other;
+ foreach_es_then_es_slaves(other)
+ if( other->fmt.i_cat == i_cat && EsIsSelected( other ) )
+ {
+ ++i_selected_count;
+ }
+ return i_selected_count;
+}
+
+/**
* Select an ES given the current mode
* XXX: you need to take a the lock before (stream.stream_lock)
*
@@ -2056,9 +2077,24 @@ static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
return;
}
+ /* Select secondary if the user has already selected a primary sub track */
+ bool b_select_secondary_subtitle = es->fmt.i_cat == SPU_ES &&
+ p_sys->b_multiple_subtitle_selection &&
+ p_esprops->p_main_es != NULL &&
+ EsIsSelected(p_esprops->p_main_es);
+
+ if ( b_select_secondary_subtitle &&
+ EsOutCountSelected( p_sys, es->fmt.i_cat ) > 1 )
+ {
+ /* Don't allow more than one secondary SPU ES selected at a time. */
+ EsOutSendEsEvent(out, es, VLC_INPUT_ES_UNSELECTED);
+ return;
+ }
+
bool b_auto_unselect = p_esprops && p_sys->i_mode == ES_OUT_MODE_AUTO &&
p_esprops->e_policy == ES_OUT_ES_POLICY_EXCLUSIVE &&
- p_esprops->p_main_es && p_esprops->p_main_es != es;
+ p_esprops->p_main_es && p_esprops->p_main_es != es &&
+ !b_select_secondary_subtitle;
if( p_sys->i_mode == ES_OUT_MODE_ALL || b_force )
{
@@ -2178,7 +2214,8 @@ static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
}
/* FIXME TODO handle priority here */
- if( p_esprops && p_sys->i_mode == ES_OUT_MODE_AUTO && EsIsSelected( es ) )
+ if( p_esprops && p_sys->i_mode == ES_OUT_MODE_AUTO && EsIsSelected( es ) &&
+ !b_select_secondary_subtitle )
p_esprops->p_main_es = es;
}
@@ -3187,6 +3224,12 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
}
return ret;
}
+ case ES_OUT_SET_MULTIPLE_SUBTITLE_SELECTION:
+ {
+ es_out_sys_t *p_sys = container_of(out, es_out_sys_t, out);
+ p_sys->b_multiple_subtitle_selection = va_arg( args, int );
+ return VLC_SUCCESS;
+ }
default:
msg_Err( p_sys->p_input, "unknown query 0x%x in %s", i_query,
__func__ );
diff --git a/src/input/es_out.h b/src/input/es_out.h
index 7cbea71728..3788e69dfb 100644
--- a/src/input/es_out.h
+++ b/src/input/es_out.h
@@ -89,7 +89,10 @@ enum es_out_query_private_e
ES_OUT_SET_VBI_PAGE, /* arg1=unsigned res=can fail */
/* Set VBI/Teletext menu transparent */
- ES_OUT_SET_VBI_TRANSPARENCY /* arg1=bool res=can fail */
+ ES_OUT_SET_VBI_TRANSPARENCY, /* arg1=bool res=can fail */
+
+ /* Allow selection of a secondary SPU ES if primary is already selected */
+ ES_OUT_SET_MULTIPLE_SUBTITLE_SELECTION, /* arg1=bool res=cannot fail */
};
static inline void es_out_SetMode( es_out_t *p_out, int i_mode )
diff --git a/src/input/input.c b/src/input/input.c
index 381b85a9fd..821a18ff2c 100644
--- a/src/input/input.c
+++ b/src/input/input.c
@@ -2396,6 +2396,11 @@ static bool Control( input_thread_t *p_input,
param.vbi_transparency.id,
param.vbi_transparency.enabled );
break;
+ case INPUT_CONTROL_SET_MULTIPLE_SUBTITLE_SELECTION:
+ es_out_Control( priv->p_es_out_display,
+ ES_OUT_SET_MULTIPLE_SUBTITLE_SELECTION,
+ param.val.b_bool );
+ break;
case INPUT_CONTROL_NAV_ACTIVATE:
case INPUT_CONTROL_NAV_UP:
diff --git a/src/input/input_internal.h b/src/input/input_internal.h
index 18495881c2..914cebe7d4 100644
--- a/src/input/input_internal.h
+++ b/src/input/input_internal.h
@@ -268,6 +268,7 @@ enum input_control_e
INPUT_CONTROL_SET_VBI_PAGE,
INPUT_CONTROL_SET_VBI_TRANSPARENCY,
+ INPUT_CONTROL_SET_MULTIPLE_SUBTITLE_SELECTION,
};
/* Internal helpers */
diff --git a/src/input/player.c b/src/input/player.c
index da02375a66..843f86000c 100644
--- a/src/input/player.c
+++ b/src/input/player.c
@@ -2888,6 +2888,17 @@ vlc_player_SetSubtitleSync(vlc_player_t *player,
}
}
+void
+vlc_player_SetSubtitleMultipleSelection(vlc_player_t *player, bool multiple)
+{
+ struct vlc_player_input *input = vlc_player_get_input_locked(player);
+ if (!input)
+ return;
+ input_ControlPushHelper(input->thread,
+ INPUT_CONTROL_SET_MULTIPLE_SUBTITLE_SELECTION,
+ &(vlc_value_t){ .b_bool = multiple });
+}
+
vlc_tick_t
vlc_player_GetSubtitleDelay(vlc_player_t *player)
{
diff --git a/src/libvlccore.sym b/src/libvlccore.sym
index 1cbbfe72f6..d0070d42b8 100644
--- a/src/libvlccore.sym
+++ b/src/libvlccore.sym
@@ -868,6 +868,7 @@ vlc_player_SetStartPaused
vlc_player_SetSubtitleDelay
vlc_player_SetSubtitleSync
vlc_player_SetSubtitleTextScale
+vlc_player_SetSubtitleMultipleSelection
vlc_player_SetTeletextEnabled
vlc_player_SetTeletextTransparency
vlc_player_SetTrackCategoryEnabled
--
2.11.0
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