X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcontrol%2Fvideo.c;h=fd62e005a72deb7e165116d887fa2994e2d7b3f9;hb=89b6530d8abd99b96b9f33af022022241fe97ee2;hp=4459c5aaa13d6b3b0d7e6525c327d1b2c4862ee1;hpb=a593fa18ef93069b6152cc571561c5ccc053e67b;p=vlc diff --git a/src/control/video.c b/src/control/video.c index 4459c5aaa1..fd62e005a7 100644 --- a/src/control/video.c +++ b/src/control/video.c @@ -3,10 +3,12 @@ ***************************************************************************** * Copyright (C) 2005 the VideoLAN team * - * $Id: core.c 14187 2006-02-07 16:37:40Z courmisch $ + * $Id$ * - * Authors: Clément Stenac + * Authors: Clément Stenac * Filippo Carone + * Jean-Paul Saman + * Damien Fouilleul * * 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 @@ -23,316 +25,558 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ -#include -#include +#include "libvlc_internal.h" -#include -#include +#include +#include +#include /* - * Remember to release the returned vout_thread_t since it is locked at - * the end of this function. + * Remember to release the returned vout_thread_t. */ -static vout_thread_t *GetVout( libvlc_input_t *p_input, +static vout_thread_t *GetVout( libvlc_media_player_t *p_mi, libvlc_exception_t *p_exception ) { - input_thread_t *p_input_thread; - vout_thread_t *p_vout; + input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_exception ); + vout_thread_t *p_vout = NULL; - if( !p_input ) - { - libvlc_exception_raise( p_exception, "Input is NULL" ); - return NULL; - } - - p_input_thread = (input_thread_t*)vlc_object_get( - p_input->p_instance->p_vlc, - p_input->i_input_id ); - if( !p_input_thread ) + if( p_input ) { - libvlc_exception_raise( p_exception, "Input does not exist" ); - return NULL; - } - - p_vout = vlc_object_find( p_input_thread, VLC_OBJECT_VOUT, FIND_CHILD ); - if( !p_vout ) - { - vlc_object_release( p_input_thread ); - libvlc_exception_raise( p_exception, "No active video output" ); - return NULL; + p_vout = input_GetVout( p_input ); + if( !p_vout ) + { + libvlc_exception_raise( p_exception, "No active video output" ); + } + vlc_object_release( p_input ); } - vlc_object_release( p_input_thread ); - return p_vout; } + /********************************************************************** * Exported functions **********************************************************************/ -void libvlc_set_fullscreen( libvlc_input_t *p_input, int b_fullscreen, +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_vout1 = GetVout( p_input, p_e ); - vlc_value_t val; int i_ret; + vout_thread_t *p_vout = GetVout( p_mi, p_e ); /* GetVout will raise the exception for us */ - if( !p_vout1 ) - { - return; - } + if( !p_vout ) return; - if( b_fullscreen ) val.b_bool = VLC_TRUE; - else val.b_bool = VLC_FALSE; - - i_ret = var_Set( p_vout1, "fullscreen", val ); - if( i_ret ) - libvlc_exception_raise( p_e, - "Unexpected error while setting fullscreen value" ); - - vlc_object_release( p_vout1 ); + var_SetBool( p_vout, "fullscreen", b_fullscreen ); + vlc_object_release( p_vout ); } -int libvlc_get_fullscreen( libvlc_input_t *p_input, +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_vout1 = GetVout( p_input, p_e ); - vlc_value_t val; int i_ret; + vout_thread_t *p_vout = GetVout( p_mi, p_e ); + int i_ret; /* GetVout will raise the exception for us */ - if( !p_vout1 ) - return 0; + if( !p_vout ) return 0; - i_ret = var_Get( p_vout1, "fullscreen", &val ); - if( i_ret ) - libvlc_exception_raise( p_e, - "Unexpected error while looking up fullscreen value" ); + i_ret = var_GetBool( p_vout, "fullscreen" ); - return val.b_bool == VLC_TRUE ? 1 : 0; + vlc_object_release( p_vout ); + + return i_ret; } -void libvlc_toggle_fullscreen( libvlc_input_t *p_input, +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_vout1 = GetVout( p_input, p_e ); - vlc_value_t val; int i_ret; + vout_thread_t *p_vout = GetVout( p_mi, p_e ); + bool ret; /* GetVout will raise the exception for us */ - if( !p_vout1 ) - return; + if( !p_vout ) return; - i_ret = var_Get( p_vout1, "fullscreen", &val ); - if( i_ret ) - libvlc_exception_raise( p_e, - "Unexpected error while looking up fullscreen value" ); - - val.b_bool = !val.b_bool; - i_ret = var_Set( p_vout1, "fullscreen", val ); - if( i_ret ) - libvlc_exception_raise( p_e, - "Unexpected error while setting fullscreen value" ); - - vlc_object_release( p_vout1 ); + ret = var_GetBool( p_vout, "fullscreen" ); + var_SetBool( p_vout, "fullscreen", !ret ); + vlc_object_release( p_vout ); } void -libvlc_video_take_snapshot( libvlc_input_t *p_input, char *psz_filepath, - libvlc_exception_t *p_e ) +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_input, p_e ); + vout_thread_t *p_vout = GetVout( p_mi, p_e ); input_thread_t *p_input_thread; - - char path[256]; /* GetVout will raise the exception for us */ - if( !p_vout ) + if( !p_vout ) return; + + if( !psz_filepath ) { + libvlc_exception_raise( p_e, "filepath is null" ); return; } - p_input_thread = (input_thread_t*)vlc_object_get( - p_input->p_instance->p_vlc, - p_input->i_input_id ); - if( !p_input_thread ) + 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; } - - snprintf( path, 255, "%s", psz_filepath ); - var_SetString( p_vout, "snapshot-path", path ); + + var_SetString( p_vout, "snapshot-path", psz_filepath ); var_SetString( p_vout, "snapshot-format", "png" ); - vout_Control( p_vout, VOUT_SNAPSHOT ); + var_TriggerCallback( p_vout, "video-snapshot" ); vlc_object_release( p_vout ); - vlc_object_release( p_input_thread ); - - return; - } -int libvlc_video_get_height( libvlc_input_t *p_input, - libvlc_exception_t *p_e ) +int libvlc_video_get_height( libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) { - vout_thread_t *p_vout1 = GetVout( p_input, p_e ); - if( !p_vout1 ) - return 0; + int height; - vlc_object_release( p_vout1 ); + 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 p_vout1->i_window_height; + return height; } -int libvlc_video_get_width( libvlc_input_t *p_input, - libvlc_exception_t *p_e ) +int libvlc_video_get_width( libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) { - vout_thread_t *p_vout1 = GetVout( p_input, p_e ); - if( !p_vout1 ) - return 0; + 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_vout1 ); + vlc_object_release( p_vout ); - return p_vout1->i_window_width; + return width; } -vlc_bool_t libvlc_input_has_vout( libvlc_input_t *p_input, - libvlc_exception_t *p_e ) +int libvlc_media_player_has_vout( libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) { - vout_thread_t *p_vout = GetVout( p_input, p_e ); + input_thread_t *p_input_thread = libvlc_get_input_thread(p_mi, p_e); + bool has_vout = false; - /* GetVout will raise the exception for us */ - if( !p_vout ) + if( p_input_thread ) { - return VLC_FALSE; + 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 VLC_TRUE; + return f_scale; } - -int libvlc_video_reparent( libvlc_input_t *p_input, libvlc_drawable_t d, - libvlc_exception_t *p_e ) +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_input, p_e ); - vout_Control( p_vout , VOUT_REPARENT, d); + 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 ); - - return 0; - } -void libvlc_video_resize( libvlc_input_t *p_input, int width, int height, libvlc_exception_t *p_e ) +char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) { - vout_thread_t *p_vout = GetVout( p_input, p_e ); - vout_Control( p_vout, VOUT_SET_SIZE, width, height ); + 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(""); } -/* global video settings */ +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; -void libvlc_video_set_parent( libvlc_instance_t *p_instance, libvlc_drawable_t d, - libvlc_exception_t *p_e ) + 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 ) { - /* set as default for future vout instances */ - var_SetInteger(p_instance->p_vlc, "drawable", (int)d); + 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( libvlc_playlist_isplaying(p_instance, p_e) ) + if( !p_input_thread ) return -1; + + i_ret = var_Get( p_input_thread, "spu-es", &val ); + if( i_ret < 0 ) { - libvlc_input_t *p_input = libvlc_playlist_get_input(p_instance, p_e); - if( p_input ) + 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 ) { - vout_thread_t *p_vout = GetVout( p_input, p_e ); - if( p_vout ) - { - /* tell running vout to re-parent */ - vout_Control( p_vout , VOUT_REPARENT, d); - vlc_object_release( p_vout ); - } - libvlc_input_free(p_input); + 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; } -void libvlc_video_set_size( libvlc_instance_t *p_instance, int width, int height, +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 ) { - /* set as default for future vout instances */ - config_PutInt(p_instance->p_vlc, "width", width); - config_PutInt(p_instance->p_vlc, "height", height); + 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( libvlc_playlist_isplaying(p_instance, p_e) ) + if( !p_vout ) return i_ret; + + p_vbi = (vlc_object_t *) vlc_object_find_name( p_vout, "zvbi", + FIND_CHILD ); + if( p_vbi ) { - libvlc_input_t *p_input = libvlc_playlist_get_input(p_instance, p_e); - if( p_input ) + 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 { - vout_thread_t *p_vout = GetVout( p_input, p_e ); - if( p_vout ) - { - /* tell running vout to re-size */ - vout_Control( p_vout , VOUT_SET_SIZE, width, height); - vlc_object_release( p_vout ); - } - libvlc_input_free(p_input); + /* 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 ); } -void libvlc_video_set_viewport( libvlc_instance_t *p_instance, - const libvlc_rectangle_t *view, const libvlc_rectangle_t *clip, - libvlc_exception_t *p_e ) +int libvlc_video_get_track_count( libvlc_media_player_t *p_mi, + libvlc_exception_t *p_e ) { - if( NULL == view ) + 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, "viewport is NULL" ); + libvlc_exception_raise( p_e, "Getting Video track information failed" ); + vlc_object_release( p_input_thread ); + return i_ret; } - /* if clip is NULL, then use view rectangle as clip */ - if( NULL == clip ) - clip = view; - - /* set as default for future vout instances */ - var_SetInteger( p_instance->p_vlc, "drawable-view-top", view->top ); - var_SetInteger( p_instance->p_vlc, "drawable-view-left", view->left ); - var_SetInteger( p_instance->p_vlc, "drawable-view-bottom", view->bottom ); - var_SetInteger( p_instance->p_vlc, "drawable-view-right", view->right ); - var_SetInteger( p_instance->p_vlc, "drawable-clip-top", clip->top ); - var_SetInteger( p_instance->p_vlc, "drawable-clip-left", clip->left ); - var_SetInteger( p_instance->p_vlc, "drawable-clip-bottom", clip->bottom ); - var_SetInteger( p_instance->p_vlc, "drawable-clip-right", clip->right ); - - if( libvlc_playlist_isplaying(p_instance, p_e) ) + var_Change( p_input_thread, "video-es", VLC_VAR_GETCHOICES, &val_list, NULL ); + for( i = 0; i < val_list.p_list->i_count; i++ ) { - libvlc_input_t *p_input = libvlc_playlist_get_input(p_instance, p_e); - if( p_input ) + vlc_value_t track_val = val_list.p_list->p_values[i]; + if( track_val.i_int == val.i_int ) { - vout_thread_t *p_vout = GetVout( p_input, p_e ); - if( p_vout ) - { - /* change viewport for running vout */ - vout_Control( p_vout , VOUT_SET_VIEWPORT, - view->top, view->left, view->bottom, view->right, - clip->top, clip->left, clip->bottom, clip->right ); - vlc_object_release( p_vout ); - } - libvlc_input_free(p_input); - } + i_track = i; + break; + } } + vlc_object_release( p_input_thread ); + return i_track; } -int libvlc_video_destroy( libvlc_input_t *p_input, - libvlc_exception_t *p_e ) +void libvlc_video_set_track( libvlc_media_player_t *p_mi, int i_track, + libvlc_exception_t *p_e ) { - vout_thread_t *p_vout = GetVout( p_input, p_e ); - vlc_object_detach( p_vout ); - vlc_object_release( p_vout ); - vout_Destroy( p_vout ); - - return 0; - + 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 ); }