control.c

VLC Player Source Code

                 if( asprintf( &p_bkmk->psz_name, _("Bookmark %i"),
                               p_input->p->i_bookmark ) == -1 )
                     p_bkmk->psz_name = NULL;
            }

            TAB_APPEND( p_input->p->i_bookmark, p_input->p->bookmark, p_bkmk );

            /* Reflect the changes on the object var */
            var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
            {
                vlc_value_t val, text;
                int i;

                for( i = 0; i < p_input->p->i_bookmark; i++ )
                {
                    val.i_int = i;
                    text.psz_string = p_input->p->bookmark[i]->psz_name;
                    var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
                                &val, &text );
                }
            }
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );

            UpdateBookmarksOption( p_input );

            return VLC_SUCCESS;

        case INPUT_CHANGE_BOOKMARK:
            p_bkmk = (seekpoint_t *)va_arg( args, seekpoint_t * );
            i_bkmk = (int)va_arg( args, int );

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( i_bkmk < p_input->p->i_bookmark )
            {
                vlc_value_t val, text;
                int i;

                p_input->p->bookmark[i_bkmk] = p_bkmk;

                /* Reflect the changes on the object var */
                var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
                for( i = 0; i < p_input->p->i_bookmark; i++ )
                {
                    val.i_int = i;
                    text.psz_string = p_input->p->bookmark[i]->psz_name;
                    var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
                                &val, &text );
                }
            }
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );

            UpdateBookmarksOption( p_input );

            return VLC_SUCCESS;

        case INPUT_DEL_BOOKMARK:
            i_bkmk = (int)va_arg( args, int );

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( i_bkmk < p_input->p->i_bookmark )
            {
                vlc_value_t val, text;
                int i;

                p_bkmk = p_input->p->bookmark[i_bkmk];
                TAB_REMOVE( p_input->p->i_bookmark, p_input->p->bookmark,
                            p_bkmk );
                vlc_seekpoint_Delete( p_bkmk );

                /* Reflect the changes on the object var */
                var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
                for( i = 0; i < p_input->p->i_bookmark; i++ )
                {
                    val.i_int = i;
                    text.psz_string = p_input->p->bookmark[i]->psz_name;
                    var_Change( p_input, "bookmark", VLC_VAR_ADDCHOICE,
                                &val, &text );
                }
                vlc_mutex_unlock( &p_input->p->input.p_item->lock );

                UpdateBookmarksOption( p_input );

                return VLC_SUCCESS;
            }
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );

            return VLC_EGENERIC;

        case INPUT_GET_BOOKMARKS:
            ppp_bkmk = (seekpoint_t ***)va_arg( args, seekpoint_t *** );
            pi_bkmk = (int *)va_arg( args, int * );

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( p_input->p->i_bookmark )
            {
                int i;

                *pi_bkmk = p_input->p->i_bookmark;
                *ppp_bkmk = malloc( sizeof(seekpoint_t *) *
                                    p_input->p->i_bookmark );
                for( i = 0; i < p_input->p->i_bookmark; i++ )
                {
                    (*ppp_bkmk)[i] =
                        vlc_seekpoint_Duplicate(p_input->p->bookmark[i]);
                }

                vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                return VLC_SUCCESS;
            }
            else
            {
                *ppp_bkmk = NULL;
                *pi_bkmk = 0;

                vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                return VLC_EGENERIC;
            }
            break;

        case INPUT_CLEAR_BOOKMARKS:

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( p_input->p->i_bookmark )
            {
                int i;

                for( i = p_input->p->i_bookmark - 1; i >= 0; i-- )
                {
                    p_bkmk = p_input->p->bookmark[i];
                    TAB_REMOVE( p_input->p->i_bookmark, p_input->p->bookmark,
                                p_bkmk );
                    vlc_seekpoint_Delete( p_bkmk );
                }
                var_Change( p_input, "bookmark", VLC_VAR_CLEARCHOICES, 0, 0 );
            }
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );

            UpdateBookmarksOption( p_input );

            return VLC_SUCCESS;

        case INPUT_SET_BOOKMARK:
            i_bkmk = (int)va_arg( args, int );

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( i_bkmk >= 0 && i_bkmk < p_input->p->i_bookmark )
            {
                vlc_value_t pos;
                int i_ret;

                if( p_input->p->bookmark[i_bkmk]->i_time_offset != -1 )
                {
                    pos.i_time = p_input->p->bookmark[i_bkmk]->i_time_offset;
                    i_ret = var_Set( p_input, "time", pos );
                }
                else if( p_input->p->bookmark[i_bkmk]->i_byte_offset != -1 )
                {
                    // don't crash on bookmarks in live streams
                    if( stream_Size( p_input->p->input.p_stream ) == 0 )
                    {
                        vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                        return VLC_EGENERIC;
                    }
                    pos.f_float = !p_input->p->input.p_stream ? 0 :
                        p_input->p->bookmark[i_bkmk]->i_byte_offset /
                        stream_Size( p_input->p->input.p_stream );
                    i_ret = var_Set( p_input, "position", pos );
                }
                else
                {
                    pos.f_float = 0;
                    i_ret = var_Set( p_input, "position", pos );
                }

                vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                return i_ret;
            }
            else
            {
                vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                return VLC_EGENERIC;
            }

            break;

        case INPUT_ADD_OPTION:
        {
            const char *psz_option = va_arg( args, const char * );
            const char *psz_value = va_arg( args, const char * );
            char *str;
            int i;

            if( asprintf( &str, "%s=%s", psz_option, psz_value ) == -1 )
                return VLC_ENOMEM;

            i = input_item_AddOpt( p_input->p->input.p_item, str,
                                  VLC_INPUT_OPTION_UNIQUE );
            free( str );
            return i;
        }

        case INPUT_GET_BYTE_POSITION:
            pi_64 = (int64_t*)va_arg( args, int64_t * );
            *pi_64 = !p_input->p->input.p_stream ? 0 :
                stream_Tell( p_input->p->input.p_stream );
            return VLC_SUCCESS;

        case INPUT_SET_BYTE_SIZE:
            pi_64 = (int64_t*)va_arg( args, int64_t * );
            *pi_64 = !p_input->p->input.p_stream ? 0 :
                stream_Size( p_input->p->input.p_stream );
            return VLC_SUCCESS;

        case INPUT_GET_VIDEO_FPS:
        {
            int i;
            pf = (double*)va_arg( args, double * );
            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            *pf = p_input->p->input.f_fps;
            for( i = 0; i < p_input->p->i_slave && *pf <= 0.001; i++ )
                *pf = p_input->p->slave[i]->f_fps;
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );
            return VLC_SUCCESS;
        }

        case INPUT_ADD_SLAVE:
            psz = (char*)va_arg( args, char * );
            if( psz && *psz )
            {
                val.psz_string = strdup( psz );
                input_ControlPush( p_input, INPUT_CONTROL_ADD_SLAVE, &val );
            }
            return VLC_SUCCESS;

        case INPUT_GET_ATTACHMENTS: /* arg1=input_attachment_t***, arg2=int*  res=can fail */
        {
            input_attachment_t ***ppp_attachment = (input_attachment_t***)va_arg( args, input_attachment_t *** );
            int *pi_attachment = (int*)va_arg( args, int * );
            int i;

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( p_input->p->i_attachment <= 0 )
            {
                vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                *ppp_attachment = NULL;
                *pi_attachment = 0;
                return VLC_EGENERIC;
            }
            *pi_attachment = p_input->p->i_attachment;
            *ppp_attachment = malloc( sizeof(input_attachment_t**) * p_input->p->i_attachment );
            for( i = 0; i < p_input->p->i_attachment; i++ )
                (*ppp_attachment)[i] = vlc_input_attachment_Duplicate( p_input->p->attachment[i] );

            vlc_mutex_unlock( &p_input->p->input.p_item->lock );
            return VLC_SUCCESS;
        }

        case INPUT_GET_ATTACHMENT:  /* arg1=input_attachment_t**, arg2=char*  res=can fail */
        {
            input_attachment_t **pp_attachment = (input_attachment_t**)va_arg( args, input_attachment_t ** );
            const char *psz_name = (const char*)va_arg( args, const char * );
            int i;

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            for( i = 0; i < p_input->p->i_attachment; i++ )
            {
                if( !strcmp( p_input->p->attachment[i]->psz_name, psz_name ) )
                {
                    *pp_attachment = vlc_input_attachment_Duplicate( p_input->p->attachment[i] );
                    vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                    return VLC_SUCCESS;
                }
            }
            *pp_attachment = NULL;
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );
            return VLC_EGENERIC;
        }


        default:
            msg_Err( p_input, "unknown query in input_vaControl" );
            return VLC_EGENERIC;
    }
}

static void UpdateBookmarksOption( input_thread_t *p_input )
{
    int i, i_len = 0;
    char *psz_value = NULL, *psz_next = NULL;

    vlc_mutex_lock( &p_input->p->input.p_item->lock );
    if( p_input->p->i_bookmark > 0 )
    {
        for( i = 0; i < p_input->p->i_bookmark; i++ )
        {
            i_len += snprintf( NULL, 0, "{name=%s,bytes=%"PRId64",time=%"PRId64"}",
                               p_input->p->bookmark[i]->psz_name,
                               p_input->p->bookmark[i]->i_byte_offset,
                               p_input->p->bookmark[i]->i_time_offset/1000000 );
        }
        psz_value = psz_next = malloc( i_len + p_input->p->i_bookmark );

        for( i = 0; i < p_input->p->i_bookmark; i++ )
        {
            sprintf( psz_next, "{name=%s,bytes=%"PRId64",time=%"PRId64"}",
                     p_input->p->bookmark[i]->psz_name,
                     p_input->p->bookmark[i]->i_byte_offset,
                     p_input->p->bookmark[i]->i_time_offset/1000000 );

            psz_next += strlen( psz_next );
            if( i < p_input->p->i_bookmark - 1)
                *psz_next = ','; psz_next++;
        }
    }
    vlc_mutex_unlock( &p_input->p->input.p_item->lock );

    input_Control( p_input, INPUT_ADD_OPTION, "bookmarks",
                   psz_value ? psz_value : "" );
    free( psz_value );
}