[vlc-devel] [PATCH 1/3] media_library: Enhance medialibrary's files exposure - Exposes last_modification_time and size fields in vlc_ml_file_t - Take into account input_slaves when creating ml files

Thomas Guillem thomas at gllm.fr
Fri Feb 5 09:07:38 UTC 2021


Hello Alaric,

Thanks for the patches!

Nit (nitpicking): the commit title should be short, add more description (the why?) in the commit message. Cf. https://chris.beams.io/posts/git-commit/

It seems this patches is adding 4 different. It is possible to split them in 4 patches?


On Thu, Feb 4, 2021, at 17:15, Alaric Senat wrote:
> ---
>  include/vlc_media_library.h                |  2 +
>  modules/misc/medialibrary/entities.cpp     |  2 +
>  modules/misc/medialibrary/fs/directory.cpp | 51 +++++++++++++++++++++-
>  modules/misc/medialibrary/fs/directory.h   |  1 +
>  modules/misc/medialibrary/fs/file.cpp      | 45 ++++++++++++++++---
>  modules/misc/medialibrary/fs/file.h        | 20 ++++++---
>  modules/misc/medialibrary/fs/fs.cpp        |  2 +-
>  modules/misc/medialibrary/fs/util.cpp      |  8 ++++
>  modules/misc/medialibrary/fs/util.h        |  1 +
>  9 files changed, 118 insertions(+), 14 deletions(-)
> 
> diff --git a/include/vlc_media_library.h b/include/vlc_media_library.h
> index fde638692d..b9df2e8ca8 100644
> --- a/include/vlc_media_library.h
> +++ b/include/vlc_media_library.h
> @@ -150,6 +150,8 @@ typedef struct vlc_ml_label_list_t
>  typedef struct vlc_ml_file_t
>  {
>      char* psz_mrl;
> +    int64_t i_size;
> +    time_t i_last_modification_date;
>      vlc_ml_file_type_t i_type;
>      bool b_external;
>      bool b_removable;
> diff --git a/modules/misc/medialibrary/entities.cpp 
> b/modules/misc/medialibrary/entities.cpp
> index 02c106e4e1..1618c4969f 100644
> --- a/modules/misc/medialibrary/entities.cpp
> +++ b/modules/misc/medialibrary/entities.cpp
> @@ -295,6 +295,8 @@ bool Convert( const medialibrary::IFile* input, 
> vlc_ml_file_t& output )
>              vlc_assert_unreachable();
>      }
>  
> +    output.i_size = input->size();
> +    output.i_last_modification_date = input->lastModificationDate();
>      output.b_removable = input->isRemovable();
>      output.b_present = true;
>      try
> diff --git a/modules/misc/medialibrary/fs/directory.cpp 
> b/modules/misc/medialibrary/fs/directory.cpp
> index 50ef287217..256f7e87a8 100644
> --- a/modules/misc/medialibrary/fs/directory.cpp
> +++ b/modules/misc/medialibrary/fs/directory.cpp
> @@ -26,12 +26,15 @@
>  #include "file.h"
>  #include "util.h"
>  
> +#include <sys/stat.h>
>  #include <algorithm>
>  #include <assert.h>
>  #include <vector>
>  #include <system_error>
>  #include <vlc_common.h>
> +#include <vlc_url.h>
>  #include <vlc_input_item.h>
> +#include <vlc_fs.h>
>  #include <vlc_input.h>
>  #include <vlc_threads.h>
>  #include <vlc_cxx_helpers.hpp>
> @@ -188,6 +191,7 @@ SDDirectory::read() const
>  
>      input_item_AddOption( media.get(), "show-hiddenfiles", 
> VLC_INPUT_OPTION_TRUSTED );
>      input_item_AddOption( media.get(), "ignore-filetypes=''", 
> VLC_INPUT_OPTION_TRUSTED );
> +    input_item_AddOption( media.get(), "sub-autodetect-fuzzy=2", 
> VLC_INPUT_OPTION_TRUSTED );
>      auto status = request_metadata_sync( m_fs.libvlc(), media.get(), 
> &children);
>  
>      if ( status == false )
> @@ -199,13 +203,58 @@ SDDirectory::read() const
>          const char *mrl = m.get()->psz_uri;
>          enum input_item_type_e type = m->i_type;
>          if (type == ITEM_TYPE_DIRECTORY)
> +        {
>              m_dirs.push_back(std::make_shared<SDDirectory>(mrl, m_fs));
> +        }
>          else if (type == ITEM_TYPE_FILE)
> -            m_files.push_back(std::make_shared<SDFile>(mrl));
> +        {
> +            addFile( mrl, IFile::LinkedFileType::None, {} );
> +            for ( auto i = 0; i < m->i_slaves; ++i )
> +            {
> +                const auto* slave = m->pp_slaves[i];
> +                const auto linked_type = slave->i_type == 
> SLAVE_TYPE_AUDIO
> +                                             ? 
> IFile::LinkedFileType::SoundTrack
> +                                             : 
> IFile::LinkedFileType::Subtitles;
> +
> +                addFile( slave->psz_uri, linked_type, mrl );
> +            }
> +        }
>      }
>  
>      m_read_done = true;
>  }
>  
> +void
> +SDDirectory::addFile(std::string mrl, IFile::LinkedFileType fType, 
> std::string linkedFile) const
> +{
> +    time_t lastModificationDate = 0;
> +    int64_t fileSize = 0;
> +
> +    if ( m_fs.isNetworkFileSystem() == false )
> +    {
> +        const auto path = vlc::wrap_cptr( vlc_uri2path(mrl.c_str()) );
> +        struct stat stat;
> +
> +        if ( vlc_stat( path.get(), &stat ) != 0 )
> +        {
> +            if ( errno == EACCES )
> +                return;
> +            throw errors::System{ errno, "Failed to get file info" };
> +        }
> +        lastModificationDate = stat.st_mtime;
> +        fileSize = stat.st_size;
> +    }
> +
> +    if (fType == IFile::LinkedFileType::None)
> +    {
> +        m_files.push_back(
> +            std::make_shared<SDFile>( std::move( mrl ), fileSize, 
> lastModificationDate ) );
> +    }
> +    else
> +    {
> +        m_files.push_back( std::make_shared<SDFile>(
> +            std::move( mrl ), fType, std::move( linkedFile ), 
> fileSize, lastModificationDate ) );
> +    }
> +}
>    } /* namespace medialibrary */
>  } /* namespace vlc */
> diff --git a/modules/misc/medialibrary/fs/directory.h 
> b/modules/misc/medialibrary/fs/directory.h
> index c73ef1b1a3..1409cd0d95 100644
> --- a/modules/misc/medialibrary/fs/directory.h
> +++ b/modules/misc/medialibrary/fs/directory.h
> @@ -43,6 +43,7 @@ public:
>  
>  private:
>      void read() const;
> +    void addFile( std::string mrl, fs::IFile::LinkedFileType, 
> std::string linkedWith ) const;
>  
>      std::string m_mrl;
>      SDFileSystemFactory &m_fs;
> diff --git a/modules/misc/medialibrary/fs/file.cpp 
> b/modules/misc/medialibrary/fs/file.cpp
> index 77b48329e5..645ebb4597 100644
> --- a/modules/misc/medialibrary/fs/file.cpp
> +++ b/modules/misc/medialibrary/fs/file.cpp
> @@ -25,13 +25,38 @@
>  #include "file.h"
>  #include "util.h"
>  
> +#include <vlc_common.h>
> +#include <vlc_url.h>
> +
> +#include <sys/stat.h>
> +#include <iostream>
> +
>  namespace vlc {
>    namespace medialibrary {
>  
> -SDFile::SDFile(const std::string &mrl)
> -    : m_mrl(mrl)
> -    , m_name(utils::fileName(mrl))
> -    , m_extension(utils::extension(mrl))
> +SDFile::SDFile( const std::string mrl, const int64_t size, const 
> time_t lastModificationDate )
> +    : m_mrl( std::move( mrl ) )
> +    , m_name( utils::fileName( m_mrl ) )
> +    , m_extension( utils::extension( m_mrl ) )
> +    , m_isNetwork( m_mrl.rfind( "file://" ) != 0 )
> +    , m_size( size )
> +    , m_lastModificationTime( lastModificationDate )
> +{
> +}
> +
> +SDFile::SDFile( const std::string mrl,
> +                const LinkedFileType fType,
> +                const std::string linkedFile,
> +                const int64_t size,
> +                const time_t lastModificationDate )
> +    : m_mrl( std::move( mrl ) )
> +    , m_name( utils::fileName( m_mrl ) )
> +    , m_extension( utils::extension( m_mrl ) )
> +    , m_linkedFile( std::move( linkedFile ) )
> +    , m_linkedType( fType )
> +    , m_isNetwork( m_mrl.rfind( "file://" ) != 0 )
> +    , m_size( size )
> +    , m_lastModificationTime( lastModificationDate )
>  {
>  }
>  
> @@ -56,18 +81,24 @@ SDFile::extension() const
>  time_t
>  SDFile::lastModificationDate() const
>  {
> -    return 0;
> +    return m_lastModificationTime;
> +}
> +
> +bool
> +SDFile::isNetwork() const
> +{
> +  return m_isNetwork;
>  }
>  
>  int64_t
>  SDFile::size() const
>  {
> -    return 0;
> +    return m_size;
>  }
>  
>  IFile::LinkedFileType SDFile::linkedType() const
>  {
> -    return IFile::LinkedFileType::None;
> +    return m_linkedType;
>  }
>  
>  const std::string &SDFile::linkedWith() const
> diff --git a/modules/misc/medialibrary/fs/file.h 
> b/modules/misc/medialibrary/fs/file.h
> index 05730f6bda..c6ce6d43d5 100644
> --- a/modules/misc/medialibrary/fs/file.h
> +++ b/modules/misc/medialibrary/fs/file.h
> @@ -31,22 +31,32 @@ using namespace ::medialibrary::fs;
>  class SDFile : public IFile
>  {
>  public:
> -    explicit SDFile(const std::string &mrl);
> +    explicit SDFile( std::string mrl, int64_t, time_t );
> +    explicit SDFile( std::string mrl,
> +                     LinkedFileType,
> +                     std::string linkedFile,
> +                     int64_t,
> +                     time_t );
> +
>      virtual ~SDFile() = default;
>      const std::string& mrl() const override;
>      const std::string& name() const override;
>      const std::string& extension() const override;
> -    time_t lastModificationDate() const override;
> -    int64_t size() const override;
> -    inline bool isNetwork() const override { return true; }
> +    const std::string& linkedWith() const override;
>      LinkedFileType linkedType() const override;
> -    const std::string &linkedWith() const override;
> +    bool isNetwork() const override;
> +    int64_t size() const override;
> +    time_t lastModificationDate() const override;
>  
>  private:
>      std::string m_mrl;
>      std::string m_name;
>      std::string m_extension;
>      std::string m_linkedFile;
> +    LinkedFileType m_linkedType = LinkedFileType::None;
> +    bool m_isNetwork;
> +    int64_t m_size = 0;
> +    time_t m_lastModificationTime = 0;
>  };
>  
>    } /* namespace medialibrary */
> diff --git a/modules/misc/medialibrary/fs/fs.cpp 
> b/modules/misc/medialibrary/fs/fs.cpp
> index 85323cb231..c81439b0f9 100644
> --- a/modules/misc/medialibrary/fs/fs.cpp
> +++ b/modules/misc/medialibrary/fs/fs.cpp
> @@ -60,7 +60,7 @@ SDFileSystemFactory::createDirectory(const 
> std::string &mrl)
>  std::shared_ptr<fs::IFile>
>  SDFileSystemFactory::createFile(const std::string& mrl)
>  {
> -    auto dir = createDirectory(mrl);
> +    auto dir = createDirectory( utils::directory( mrl ) );
>      assert(dir != nullptr);
>      return dir->file(mrl);
>  }
> diff --git a/modules/misc/medialibrary/fs/util.cpp 
> b/modules/misc/medialibrary/fs/util.cpp
> index f25f96d161..7f22425c07 100644
> --- a/modules/misc/medialibrary/fs/util.cpp
> +++ b/modules/misc/medialibrary/fs/util.cpp
> @@ -52,6 +52,14 @@ fileName(const std::string &filePath)
>      return filePath.substr(pos + 1);
>  }
>  
> +std::string
> +directory(const std::string &filePath)
> +{
> +    auto pos = filePath.find_last_of(DIR_SEPARATORS);
> +    if (pos == std::string::npos)
> +        return filePath;
> +    return filePath.substr(0, pos);
> +}
>      } /* namespace utils */
>    } /* namespace medialibrary */
>  } /* namespace vlc */
> diff --git a/modules/misc/medialibrary/fs/util.h 
> b/modules/misc/medialibrary/fs/util.h
> index 6cbff37114..10862477ad 100644
> --- a/modules/misc/medialibrary/fs/util.h
> +++ b/modules/misc/medialibrary/fs/util.h
> @@ -29,6 +29,7 @@ namespace vlc {
>  
>  std::string fileName(const std::string& filePath);
>  std::string extension(const std::string& fileName);
> +std::string directory(const std::string& fileName);
>  
>      } /* namespace utils */
>    } /* namespace medialibrary */
> -- 
> 2.28.0
> 
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