Class: MXFInfo::InfoObject

Inherits:
Object
  • Object
show all
Defined in:
lib/mxfinfo.rb,
ext/mxfinfo/mxfinfo.c

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new(path) ⇒ Object 



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# File 'ext/mxfinfo/mxfinfo.c', line 109

static 
VALUE cio_new(VALUE class, VALUE path)
{
  Check_Type(path, T_STRING);
  const char *fn = StringValuePtr(path);

  AvidMXFInfo *info = ALLOC(AvidMXFInfo);

  AmiReadInfoParams params = {
    fn,
    info,
    -1
  };

  rb_thread_call_without_gvl(ami_read_info_without_gvl, (void*) &params, NULL, NULL);

  if(params.result != 0)
  {
    // NOTE: When ami_read_info failed, *info has already been free'd.

    switch(params.result)
    {
            case -2:
              rb_raise(rb_eIOError, "Failed to open file.");
                break;
            case -3:
              rb_raise(rb_eIOError, "Failed to read header partition.");
                break;
            case -4:
              rb_raise(rb_eStandardError, "File is not OP-Atom.");
                break;
            case -1:
            default:
              rb_raise(rb_eStandardError, "Failed to read info.");
                break;
    }

    return Qnil;
  } 
  else
  {
    VALUE tdata = Data_Wrap_Struct(class, 0, cio_free, info);
    return tdata;
  }
}

Instance Method Details

#aspect_ratio ⇒ Object 



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# File 'ext/mxfinfo/mxfinfo.c', line 233

static
VALUE cio_get_aspect_ratio(VALUE self)
{
  AvidMXFInfo *info;
  Data_Get_Struct(self, AvidMXFInfo, info);
  if(info->isVideo && info->aspectRatio.denominator != 0)
  {
    return rb_rational_new(INT2FIX(info->aspectRatio.numerator),
      INT2FIX(info->aspectRatio.denominator)); 
  }
  else
  {
    return Qnil;
  }
}

#audio_sampling_rate ⇒ Object

#channel_count ⇒ Object Also known as: channelcount, c_count

#clip_created ⇒ Object Also known as: clip_created_at

#clip_duration ⇒ Object

#clip_name ⇒ Object

#clip_track_string ⇒ Object 



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# File 'ext/mxfinfo/mxfinfo.c', line 276

static
VALUE cio_get_clip_track_string(VALUE self)
{
  AvidMXFInfo *info;
  Data_Get_Struct(self, AvidMXFInfo, info);

  return rb_str_new2((info->tracksString == NULL) ? "" : info->tracksString);
}

#display_height ⇒ Object

#display_width ⇒ Object

#edit_rate ⇒ Object

#essence_container_label ⇒ Object Also known as: essence_label

#essence_type ⇒ Object 



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# File 'ext/mxfinfo/mxfinfo.c', line 225

def essence_type
  result = self.send(:essence_type_orig)
  if result.start_with?("DNxHD")
    result.gsub!(/ \(\d+\)/, "")
  end
  result
end

#essence_type_orig ⇒ Object 



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# File 'lib/mxfinfo.rb', line 36

alias_method :essence_type_orig, :essence_type

#file_source_package_uid ⇒ Object Also known as: file_package_uid

#frame_layout ⇒ Object

#is_video ⇒ Object

Left that in for reference (array creation). static VALUE cio_get_material_package_uid(VALUE self) {

AvidMXFInfo *info;
Data_Get_Struct(self, AvidMXFInfo, info);

unsigned char *uid = (unsigned char*) &info->materialPackageUID;

VALUE ary = rb_ary_new2(32);
for(unsigned int i = 0; i < 32; i++)
{
  rb_ary_store(ary, i, CHR2FIX(uid[i]));
}

return ary;

}



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# File 'ext/mxfinfo/mxfinfo.c', line 217

static
VALUE cio_get_is_video(VALUE self)
{
  AvidMXFInfo *info;
  Data_Get_Struct(self, AvidMXFInfo, info);
  return info->isVideo ? Qtrue : Qfalse;
}

#material_package_uid ⇒ Object

#num_audio_tracks ⇒ Object Also known as: audiotracks, audio_tracks, a_tracks

#num_video_tracks ⇒ Object Also known as: videotracks, v_tracks, video_tracks

int numMaterialPackageAttributes

#physical_package_locator ⇒ Object

#physical_package_name ⇒ Object

#physical_package_type ⇒ Object 



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# File 'ext/mxfinfo/mxfinfo.c', line 249

static
VALUE cio_get_physical_package_type(VALUE self)
{
  AvidMXFInfo *info;
  Data_Get_Struct(self, AvidMXFInfo, info);

  VALUE ret = Qnil;
  switch (info->physicalPackageType)
  {
  case TAPE_PHYS_TYPE:
    ret = ID2SYM(rb_intern("tape"));
    break;
  case IMPORT_PHYS_TYPE:
    ret = ID2SYM(rb_intern("import"));
    break;
  case RECORDING_PHYS_TYPE:
    ret = ID2SYM(rb_intern("recording"));
    break;
  case UNKNOWN_PHYS_TYPE:
  default:
    ret = ID2SYM(rb_intern("unknown"));
    break;
  }

  return ret;
}

#physical_source_package_uid ⇒ Object

#picture_coding_label ⇒ Object

#project_edit_rate ⇒ Object Also known as: clip_edit_rate

#project_name ⇒ Object

#quantization_bits ⇒ Object

#render_file? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mxfinfo.rb', line 32

def render_file?
  physical_package_name == "Precompute Source Mob"
end

#segment_duration ⇒ Object

#segment_offset ⇒ Object

#start_timecode ⇒ Object

#stored_height ⇒ Object

#stored_width ⇒ Object

#track_duration ⇒ Object

#track_number ⇒ Object Also known as: t_number, tracknumber

#tracks_string ⇒ Object