# Cppcheck report - LibreOffice: avmedia/source/vlc/wrapper/Player.cxx

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    /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
    /*
     * This file is part of the LibreOffice project.
     *
     * This Source Code Form is subject to the terms of the Mozilla Public
     * License, v. 2.0. If a copy of the MPL was not distributed with this
     * file, You can obtain one at http://mozilla.org/MPL/2.0/.
     */

    #include <rtl/ustring.h>
    #include "Types.hxx"
    #include "Player.hxx"
    #include "Media.hxx"
    #include "SymbolLoader.hxx"
    #include "Common.hxx"

    struct libvlc_media_t;

    namespace { extern "C" {
        void ( *libvlc_media_player_retain ) ( libvlc_media_player_t *p_mi );
        libvlc_media_player_t * ( *libvlc_media_player_new_from_media ) ( libvlc_media_t *p_md );
        void ( *libvlc_media_player_release ) ( libvlc_media_player_t *p_mi );
        int ( *libvlc_media_player_play ) ( libvlc_media_player_t *p_mi );
        void ( *libvlc_media_player_pause ) ( libvlc_media_player_t *p_mi );
        int ( *libvlc_media_player_is_playing ) ( libvlc_media_player_t *p_mi );
        void ( *libvlc_media_player_stop ) ( libvlc_media_player_t *p_mi );
        void ( *libvlc_media_player_set_time ) ( libvlc_media_player_t *p_mi, libvlc_time_t i_time );
        libvlc_time_t ( *libvlc_media_player_get_time ) ( libvlc_media_player_t *p_mi );
        float ( *libvlc_media_player_get_rate )( libvlc_media_player_t *p_mi );
        int ( *libvlc_audio_set_volume ) ( libvlc_media_player_t *p_mi, int i_volume );
        int ( *libvlc_audio_get_volume ) ( libvlc_media_player_t *p_mi );
        int ( *libvlc_audio_get_mute ) ( libvlc_media_player_t *p_mi );
        void ( *libvlc_audio_set_mute ) ( libvlc_media_player_t *p_mi, int status );
        int ( *libvlc_video_take_snapshot ) ( libvlc_media_player_t *p_mi,
                                              unsigned num,
                                              const char *psz_filepath,
                                              unsigned int i_width,
                                              unsigned int i_height );
    #if defined UNX
        void ( *libvlc_media_player_set_xwindow ) ( libvlc_media_player_t *p_mi, uint32_t drawable );
    #elif defined MACOSX
        void ( *libvlc_media_player_set_nsobject ) ( libvlc_media_player_t *p_mi, void *drawable );
    #elif defined WNT
        void ( *libvlc_media_player_set_hwnd ) ( libvlc_media_player_t *p_mi, void *drawable );
    #else
    #error unknown OS
    #endif
        unsigned ( *libvlc_media_player_has_vout ) ( libvlc_media_player_t *p_mi );
        void ( *libvlc_video_set_mouse_input ) ( libvlc_media_player_t *p_mi, unsigned on );
        void ( *libvlc_video_set_scale ) ( libvlc_media_player_t *p_mi, float f_factor );
        int ( *libvlc_video_get_size ) ( libvlc_media_player_t *p_mi, unsigned num,
                                         unsigned *px, unsigned *py );
        int ( *libvlc_video_get_track_count ) ( libvlc_media_player_t *p_mi );
        int ( *libvlc_video_set_track ) ( libvlc_media_player_t *p_mi, int i_track );
        libvlc_track_description_t* ( *libvlc_video_get_track_description ) ( libvlc_media_player_t *p_mi );

        int ( *libvlc_audio_get_track ) ( libvlc_media_player_t *p_mi );
        libvlc_track_description_t * ( *libvlc_audio_get_track_description ) (libvlc_media_player_t *p_mi );
        int ( *libvlc_audio_set_track ) (libvlc_media_player_t *p_mi, int i_track);
    } }

    namespace avmedia
    {
    namespace vlc
    {
    namespace wrapper
    {
        bool Player::LoadSymbols()
        {
            ApiMap VLC_PLAYER_API[] =
            {
                SYM_MAP( libvlc_media_player_new_from_media ),
                SYM_MAP( libvlc_media_player_release ),
                SYM_MAP( libvlc_media_player_play ),
                SYM_MAP( libvlc_media_player_pause ),
                SYM_MAP( libvlc_media_player_is_playing ),
                SYM_MAP( libvlc_media_player_stop ),
                SYM_MAP( libvlc_media_player_set_time ),
                SYM_MAP( libvlc_media_player_get_time ),
                SYM_MAP( libvlc_media_player_get_rate ),
                SYM_MAP( libvlc_audio_set_volume ),
                SYM_MAP( libvlc_audio_get_volume ),
                SYM_MAP( libvlc_audio_set_mute ),
                SYM_MAP( libvlc_audio_get_mute ),
                SYM_MAP( libvlc_video_take_snapshot ),
    #if defined UNX
                SYM_MAP( libvlc_media_player_set_xwindow ),
    #elif defined MACOSX
                SYM_MAP( libvlc_media_player_set_nsobject ),
    #elif defined WNT
                SYM_MAP( libvlc_media_player_set_hwnd ),
    #endif
                SYM_MAP( libvlc_media_player_has_vout ),
                SYM_MAP( libvlc_video_set_mouse_input ),
                SYM_MAP( libvlc_media_player_retain ),
                SYM_MAP( libvlc_video_set_scale ),
                SYM_MAP( libvlc_video_get_size ),
                SYM_MAP( libvlc_video_get_track_count ),
                SYM_MAP( libvlc_video_set_track ),
                SYM_MAP( libvlc_video_get_track_description ),
                SYM_MAP( libvlc_audio_get_track ),
                SYM_MAP( libvlc_audio_get_track_description ),
                SYM_MAP( libvlc_audio_set_track )
            };

            return InitApiMap( VLC_PLAYER_API );
        }

        Player::Player( Media& media )
            : mPlayer( libvlc_media_player_new_from_media( media ) )
        {
        }

        Player::Player( const Player& other )
        {
            operator=( other );
        }

        Player& Player::operator=( const Player& other )
        {
            libvlc_media_player_release( mPlayer );
            mPlayer = other.mPlayer;
            libvlc_media_player_retain( mPlayer );
            return *this;
        }

        Player::~Player()
        {
            libvlc_media_player_release( mPlayer );
        }

        bool Player::play()
        {
            const bool status = ( libvlc_media_player_play( mPlayer ) == 0 );
            if ( libvlc_video_get_track_count( mPlayer ) > 0 )
            {
                const libvlc_track_description_t *description = libvlc_video_get_track_description( mPlayer );

                for ( ; description->p_next != NULL; description = description->p_next );

                libvlc_video_set_track( mPlayer, description->i_id );
            }

            if ( libvlc_audio_get_track( mPlayer ) > 0 )
            {
                const libvlc_track_description_t *description = libvlc_audio_get_track_description( mPlayer );

                for ( ; description->p_next != NULL; description = description->p_next );

                libvlc_audio_set_track( mPlayer, description->i_id );
            }

            return status;
        }

        void Player::pause()
        {
            libvlc_media_player_pause( mPlayer );
        }

        void Player::stop()
        {
            libvlc_media_player_stop( mPlayer );
        }

        void Player::setTime( int time )
        {
            libvlc_media_player_set_time( mPlayer, time );
        }

        int Player::getTime() const
        {
            const int time = libvlc_media_player_get_time( mPlayer );

            return ( time == -1 ? 0 : time );
        }

        void Player::setScale( float factor )
        {
            libvlc_video_set_scale( mPlayer, factor );
        }

        unsigned Player::getWidth() const
        {
            unsigned width, height;
            libvlc_video_get_size( mPlayer, 0, &width, &height );
            return width;
        }

        unsigned Player::getHeight() const
        {
            unsigned width, height;
            libvlc_video_get_size( mPlayer, 0, &width, &height );
            return height;
        }

        void Player::setMouseHandling(bool flag)
        {
            libvlc_video_set_mouse_input( mPlayer, flag );
        }

        bool Player::isPlaying() const
        {
            return libvlc_media_player_is_playing( mPlayer ) == 1;
        }

        float Player::getRate() const<--- The function 'getRate' is never used.
        {
            return libvlc_media_player_get_rate( mPlayer );
        }

        void Player::setVolume( int volume )
        {
            libvlc_audio_set_volume( mPlayer, volume );
        }

        int Player::getVolume() const
        {
            return libvlc_audio_get_volume( mPlayer );
        }

        void Player::setMute( bool mute)
        {
            libvlc_audio_set_mute( mPlayer, mute );
        }

        bool Player::getMute() const
        {
            return libvlc_audio_get_mute( mPlayer );
        }

        void Player::setVideoSize( unsigned width, unsigned )
        {
            unsigned currentWidth, currentHeight;
            libvlc_video_get_size( mPlayer, 0, &currentWidth, &currentHeight );
            if ( currentWidth != 0 )
                setScale( static_cast<float>( width ) / currentWidth );
        }

        void Player::setWindow( intptr_t id )
        {
    #if defined UNX
            libvlc_media_player_set_xwindow( mPlayer, (uint32_t) id );
    #elif defined MACOSX
            libvlc_media_player_set_nsobject( mPlayer, reinterpret_cast<void*>( id ) );
    #elif defined WNT
            libvlc_media_player_set_hwnd( mPlayer, reinterpret_cast<void*>( id ) );
    #endif
        }

        bool Player::takeSnapshot( const rtl::OUString& file )
        {
            rtl::OString dest;
            file.convertToString( &dest, RTL_TEXTENCODING_UTF8, 0 );
            return libvlc_video_take_snapshot( mPlayer, 0, dest.getStr(), 480, 360 ) == 0;
        }

        bool Player::hasVout() const
        {
            return libvlc_media_player_has_vout( mPlayer );
        }
    }
    }
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */