- libvlc_media_instance_release(p_mi);
- libvlc_media_instance_release(p_mi);
- libvlc_media_instance_release(p_mi);
+/*****************************************************************************
+ * video.c: libvlc new API video functions
+ *****************************************************************************
+ * Copyright (C) 2005 the VideoLAN team
+ *
+ * $Id$
+ *
+ * Authors: Clément Stenac <zorglub@videolan.org>
+ * Filippo Carone <littlejohn@videolan.org>
+ * Jean-Paul Saman <jpsaman _at_ m2x _dot_ nl>
+ * Damien Fouilleul <damienf a_t videolan dot org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#include "libvlc_internal.h"
+
+#include <vlc/libvlc.h>
+#include <vlc_input.h>
+#include <vlc_vout.h>
+
+/*
+ * Remember to release the returned vout_thread_t.
+ */
+static vout_thread_t *GetVout( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_exception )
+{
+ input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_exception );
+ vout_thread_t *p_vout = NULL;
+
+ if( p_input )
+ {
+ p_vout = input_GetVout( p_input );
+ if( !p_vout )
+ {
+ libvlc_exception_raise( p_exception, "No active video output" );
+ }
+ vlc_object_release( p_input );
+ }
+ return p_vout;
+}
+
+/**********************************************************************
+ * Exported functions
+ **********************************************************************/
+
+void libvlc_set_fullscreen( libvlc_media_player_t *p_mi, int b_fullscreen,
+ libvlc_exception_t *p_e )
+{
+ /* We only work on the first vout */
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+
+ /* GetVout will raise the exception for us */
+ if( !p_vout ) return;
+
+ var_SetBool( p_vout, "fullscreen", b_fullscreen );
+
+ vlc_object_release( p_vout );
+}
+
+int libvlc_get_fullscreen( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ /* We only work on the first vout */
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ int i_ret;
+
+ /* GetVout will raise the exception for us */
+ if( !p_vout ) return 0;
+
+ i_ret = var_GetBool( p_vout, "fullscreen" );
+
+ vlc_object_release( p_vout );
+
+ return i_ret;
+}
+
+void libvlc_toggle_fullscreen( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ /* We only work on the first vout */
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ bool ret;
+
+ /* GetVout will raise the exception for us */
+ if( !p_vout ) return;
+
+ ret = var_GetBool( p_vout, "fullscreen" );
+ var_SetBool( p_vout, "fullscreen", !ret );
+
+ vlc_object_release( p_vout );
+}
+
+void
+libvlc_video_take_snapshot( libvlc_media_player_t *p_mi, const char *psz_filepath,
+ unsigned int i_width, unsigned int i_height, libvlc_exception_t *p_e )
+{
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ input_thread_t *p_input_thread;
+
+ /* GetVout will raise the exception for us */
+ if( !p_vout ) return;
+
+ if( !psz_filepath )
+ {
+ libvlc_exception_raise( p_e, "filepath is null" );
+ return;
+ }
+
+ var_SetInteger( p_vout, "snapshot-width", i_width );
+ var_SetInteger( p_vout, "snapshot-height", i_height );
+
+ p_input_thread = p_mi->p_input_thread;
+ if( !p_mi->p_input_thread )
+ {
+ libvlc_exception_raise( p_e, "Input does not exist" );
+ return;
+ }
+
+ var_SetString( p_vout, "snapshot-path", psz_filepath );
+ var_SetString( p_vout, "snapshot-format", "png" );
+
+ var_TriggerCallback( p_vout, "video-snapshot" );
+ vlc_object_release( p_vout );
+}
+
+int libvlc_video_get_height( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ int height;
+
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ if( !p_vout ) return 0;
+
+ height = p_vout->i_window_height;
+
+ vlc_object_release( p_vout );
+
+ return height;
+}
+
+int libvlc_video_get_width( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ int width;
+
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ if( !p_vout ) return 0;
+
+ width = p_vout->i_window_width;
+
+ vlc_object_release( p_vout );
+
+ return width;
+}
+
+int libvlc_media_player_has_vout( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread(p_mi, p_e);
+ bool has_vout = false;
+
+ if( p_input_thread )
+ {
+ vout_thread_t *p_vout;
+
+ p_vout = input_GetVout( p_input_thread );
+ if( p_vout )
+ {
+ has_vout = true;
+ vlc_object_release( p_vout );
+ }
+ vlc_object_release( p_input_thread );
+ }
+ return has_vout;
+}
+
+float libvlc_video_get_scale( libvlc_media_player_t *p_mp,
+ libvlc_exception_t *p_e )
+{
+ vout_thread_t *p_vout = GetVout( p_mp, p_e );
+ if( !p_vout )
+ return 0.;
+
+ float f_scale = var_GetFloat( p_vout, "scale" );
+ if( var_GetBool( p_vout, "autoscale" ) )
+ f_scale = 0.;
+ vlc_object_release( p_vout );
+ return f_scale;
+}
+
+void libvlc_video_set_scale( libvlc_media_player_t *p_mp, float f_scale,
+ libvlc_exception_t *p_e )
+{
+ vout_thread_t *p_vout = GetVout( p_mp, p_e );
+ if( !p_vout )
+ return;
+
+ if( f_scale != 0. )
+ var_SetFloat( p_vout, "scale", f_scale );
+ var_SetBool( p_vout, "autoscale", f_scale != 0. );
+ vlc_object_release( p_vout );
+}
+
+char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ char *psz_aspect = 0;
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+
+ if( !p_vout ) return 0;
+
+ psz_aspect = var_GetNonEmptyString( p_vout, "aspect-ratio" );
+ vlc_object_release( p_vout );
+ return psz_aspect ? psz_aspect : strdup("");
+}
+
+void libvlc_video_set_aspect_ratio( libvlc_media_player_t *p_mi,
+ char *psz_aspect, libvlc_exception_t *p_e )
+{
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ int i_ret = -1;
+
+ if( !p_vout ) return;
+
+ i_ret = var_SetString( p_vout, "aspect-ratio", psz_aspect );
+ if( i_ret )
+ libvlc_exception_raise( p_e,
+ "Unexpected error while setting aspect-ratio value" );
+
+ vlc_object_release( p_vout );
+}
+
+int libvlc_video_get_spu( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+ vlc_value_t val;
+ int i_spu = -1;
+ int i_ret = -1;
+ int i;
+
+ if( !p_input_thread ) return -1;
+
+ i_ret = var_Get( p_input_thread, "spu-es", &val );
+ if( i_ret < 0 )
+ {
+ libvlc_exception_raise( p_e, "Getting subtitle information failed" );
+ vlc_object_release( p_input_thread );
+ return i_ret;
+ }
+
+ var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ for( i = 0; i < val_list.p_list->i_count; i++ )
+ {
+ vlc_value_t spu_val = val_list.p_list->p_values[i];
+ if( val.i_int == spu_val.i_int )
+ {
+ i_spu = i;
+ break;
+ }
+ }
+ vlc_object_release( p_input_thread );
+ return i_spu;
+}
+
+int libvlc_video_get_spu_count( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+
+ if( !p_input_thread )
+ return -1;
+
+ var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ vlc_object_release( p_input_thread );
+ return val_list.p_list->i_count;
+}
+
+libvlc_track_description_t *
+ libvlc_video_get_spu_description( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ return libvlc_get_track_description( p_mi, "spu-es", p_e);
+}
+
+void libvlc_video_set_spu( libvlc_media_player_t *p_mi, int i_spu,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+ vlc_value_t newval;
+ int i_ret = -1;
+
+ if( !p_input_thread ) return;
+
+ var_Change( p_input_thread, "spu-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+
+ if( val_list.p_list->i_count == 0 )
+ {
+ libvlc_exception_raise( p_e, "Subtitle value out of range" );
+ vlc_object_release( p_input_thread );
+ return;
+ }
+
+ if( (i_spu < 0) && (i_spu > val_list.p_list->i_count) )
+ {
+ libvlc_exception_raise( p_e, "Subtitle value out of range" );
+ vlc_object_release( p_input_thread );
+ return;
+ }
+
+ newval = val_list.p_list->p_values[i_spu];
+ i_ret = var_Set( p_input_thread, "spu-es", newval );
+ if( i_ret < 0 )
+ {
+ libvlc_exception_raise( p_e, "Setting subtitle value failed" );
+ }
+ vlc_object_release( p_input_thread );
+}
+
+int libvlc_video_set_subtitle_file( libvlc_media_player_t *p_mi,
+ char *psz_subtitle,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
+ bool b_ret = false;
+
+ if( p_input_thread )
+ {
+ if( !input_AddSubtitle( p_input_thread, psz_subtitle, true ) )
+ b_ret = true;
+ vlc_object_release( p_input_thread );
+ }
+ return b_ret;
+}
+
+libvlc_track_description_t *
+ libvlc_video_get_title_description( libvlc_media_player_t *p_mi,
+ libvlc_exception_t * p_e )
+{
+ return libvlc_get_track_description( p_mi, "title", p_e);
+}
+
+libvlc_track_description_t *
+ libvlc_video_get_chapter_description( libvlc_media_player_t *p_mi,
+ int i_title,
+ libvlc_exception_t *p_e )
+{
+ char psz_title[12];
+ sprintf( psz_title, "title %2i", i_title );
+ return libvlc_get_track_description( p_mi, psz_title, p_e);
+}
+
+char *libvlc_video_get_crop_geometry( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ char *psz_geometry = 0;
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+
+ if( !p_vout ) return 0;
+
+ psz_geometry = var_GetNonEmptyString( p_vout, "crop" );
+ vlc_object_release( p_vout );
+ return psz_geometry ? psz_geometry : strdup("");
+}
+
+void libvlc_video_set_crop_geometry( libvlc_media_player_t *p_mi,
+ char *psz_geometry, libvlc_exception_t *p_e )
+{
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ int i_ret = -1;
+
+ if( !p_vout ) return;
+
+ i_ret = var_SetString( p_vout, "crop", psz_geometry );
+ if( i_ret )
+ libvlc_exception_raise( p_e,
+ "Unexpected error while setting crop geometry" );
+
+ vlc_object_release( p_vout );
+}
+
+int libvlc_video_get_teletext( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ vlc_object_t *p_vbi;
+ int i_ret = -1;
+
+ if( !p_vout ) return i_ret;
+
+ p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
+ FIND_CHILD );
+ if( p_vbi )
+ {
+ i_ret = var_GetInteger( p_vbi, "vbi-page" );
+ vlc_object_release( p_vbi );
+ }
+
+ vlc_object_release( p_vout );
+ return i_ret;
+}
+
+void libvlc_video_set_teletext( libvlc_media_player_t *p_mi, int i_page,
+ libvlc_exception_t *p_e )
+{
+ vout_thread_t *p_vout = GetVout( p_mi, p_e );
+ vlc_object_t *p_vbi;
+ int i_ret = -1;
+
+ if( !p_vout ) return;
+
+ p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi",
+ FIND_CHILD );
+ if( p_vbi )
+ {
+ i_ret = var_SetInteger( p_vbi, "vbi-page", i_page );
+ vlc_object_release( p_vbi );
+ if( i_ret )
+ libvlc_exception_raise( p_e,
+ "Unexpected error while setting teletext page" );
+ }
+ vlc_object_release( p_vout );
+}
+
+void libvlc_toggle_teletext( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread;
+ vlc_object_t *p_vbi;
+ int i_ret;
+
+ p_input_thread = libvlc_get_input_thread(p_mi, p_e);
+ if( !p_input_thread ) return;
+
+ if( var_CountChoices( p_input_thread, "teletext-es" ) <= 0 )
+ {
+ vlc_object_release( p_input_thread );
+ return;
+ }
+ const bool b_selected = var_GetInteger( p_input_thread, "teletext-es" ) >= 0;
+
+ p_vbi = (vlc_object_t *)vlc_object_find_name( p_input_thread, "zvbi",
+ FIND_CHILD );
+ if( p_vbi )
+ {
+ if( b_selected )
+ {
+ /* FIXME Gni, why that ? */
+ i_ret = var_SetInteger( p_vbi, "vbi-page",
+ var_GetInteger( p_vbi, "vbi-page" ) );
+ if( i_ret )
+ libvlc_exception_raise( p_e,
+ "Unexpected error while setting teletext page" );
+ }
+ else
+ {
+ /* FIXME Gni^2 */
+ i_ret = var_SetBool( p_vbi, "vbi-opaque",
+ !var_GetBool( p_vbi, "vbi-opaque" ) );
+ if( i_ret )
+ libvlc_exception_raise( p_e,
+ "Unexpected error while setting teletext transparency" );
+ }
+ vlc_object_release( p_vbi );
+ }
+ else if( b_selected )
+ {
+ var_SetInteger( p_input_thread, "spu-es", -1 );
+ }
+ else
+ {
+ vlc_value_t list;
+ if( !var_Change( p_input_thread, "teletext-es", VLC_VAR_GETLIST, &list, NULL ) )
+ {
+ if( list.p_list->i_count > 0 )
+ var_SetInteger( p_input_thread, "spu-es", list.p_list->p_values[0].i_int );
+
+ var_Change( p_input_thread, "teletext-es", VLC_VAR_FREELIST, &list, NULL );
+ }
+ }
+ vlc_object_release( p_input_thread );
+}
+
+int libvlc_video_get_track_count( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+
+ if( !p_input_thread )
+ return -1;
+
+ var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ vlc_object_release( p_input_thread );
+ return val_list.p_list->i_count;
+}
+
+libvlc_track_description_t *
+ libvlc_video_get_track_description( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ return libvlc_get_track_description( p_mi, "video-es", p_e);
+}
+
+int libvlc_video_get_track( libvlc_media_player_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+ vlc_value_t val;
+ int i_track = -1;
+ int i_ret = -1;
+ int i;
+
+ if( !p_input_thread )
+ return -1;
+
+ i_ret = var_Get( p_input_thread, "video-es", &val );
+ if( i_ret < 0 )
+ {
+ libvlc_exception_raise( p_e, "Getting Video track information failed" );
+ vlc_object_release( p_input_thread );
+ return i_ret;
+ }
+
+ var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ for( i = 0; i < val_list.p_list->i_count; i++ )
+ {
+ vlc_value_t track_val = val_list.p_list->p_values[i];
+ if( track_val.i_int == val.i_int )
+ {
+ i_track = i;
+ break;
+ }
+ }
+ vlc_object_release( p_input_thread );
+ return i_track;
+}
+
+void libvlc_video_set_track( libvlc_media_player_t *p_mi, int i_track,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+ int i_ret = -1;
+ int i;
+
+ if( !p_input_thread )
+ return;
+
+ var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ for( i = 0; i < val_list.p_list->i_count; i++ )
+ {
+ vlc_value_t val = val_list.p_list->p_values[i];
+ if( i_track == val.i_int )
+ {
+ i_ret = var_Set( p_input_thread, "audio-es", val );
+ if( i_ret < 0 )
+ libvlc_exception_raise( p_e, "Setting video track failed" );
+ vlc_object_release( p_input_thread );
+ return;
+ }
+ }
+ libvlc_exception_raise( p_e, "Video track out of range" );
+ vlc_object_release( p_input_thread );
+}
projects / vlc / blobdiff