<?xml version="1.0" encoding="UTF-8"?>

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    targetNamespace="http://www.ffmpeg.org/schema/ffprobe"
    xmlns:ffprobe="http://www.ffmpeg.org/schema/ffprobe">

    <xsd:element name="ffprobe" type="ffprobe:ffprobeType"/>

    <xsd:complexType name="ffprobeType">
        <xsd:sequence>
            <xsd:element name="packets"  type="ffprobe:packetsType" minOccurs="0" maxOccurs="1" />
            <xsd:element name="frames"   type="ffprobe:framesType"  minOccurs="0" maxOccurs="1" />
            <xsd:element name="streams"  type="ffprobe:streamsType" minOccurs="0" maxOccurs="1" />
            <xsd:element name="format"   type="ffprobe:formatType"  minOccurs="0" maxOccurs="1" />
            <xsd:element name="error"    type="ffprobe:errorType"   minOccurs="0" maxOccurs="1" />
            <xsd:element name="program_version"  type="ffprobe:programVersionType"  minOccurs="0" maxOccurs="1" />
            <xsd:element name="library_versions" type="ffprobe:libraryVersionsType" minOccurs="0" maxOccurs="1" />
        </xsd:sequence>
    </xsd:complexType>

    <xsd:complexType name="packetsType">
        <xsd:sequence>
            <xsd:element name="packet" type="ffprobe:packetType" minOccurs="0" maxOccurs="unbounded"/>
        </xsd:sequence>
    </xsd:complexType>

    <xsd:complexType name="framesType">
        <xsd:sequence>
            <xsd:element name="frame" type="ffprobe:frameType" minOccurs="0" maxOccurs="unbounded"/>
        </xsd:sequence>
    </xsd:complexType>

    <xsd:complexType name="packetType">
      <xsd:attribute name="codec_type"    type="xsd:string" use="required" />
      <xsd:attribute name="stream_index"  type="xsd:int" use="required" />
      <xsd:attribute name="pts"           type="xsd:long"  />
      <xsd:attribute name="pts_time"      type="xsd:float" />
      <xsd:attribute name="dts"           type="xsd:long"  />
      <xsd:attribute name="dts_time"      type="xsd:float" />
      <xsd:attribute name="duration"      type="xsd:long"  />
      <xsd:attribute name="duration_time" type="xsd:float" />
      <xsd:attribute name="size"          type="xsd:long" use="required" />
      <xsd:attribute name="pos"           type="xsd:long"  />
      <xsd:attribute name="flags"         type="xsd:string" use="required" />
    </xsd:complexType>

    <xsd:complexType name="frameType">
      <xsd:attribute name="media_type"    type="xsd:string" use="required"/>
      <xsd:attribute name="key_frame"     type="xsd:int"    use="required"/>
      <xsd:attribute name="pts"           type="xsd:long" />
      <xsd:attribute name="pts_time"      type="xsd:float"/>
      <xsd:attribute name="pkt_pts"       type="xsd:long" />
      <xsd:attribute name="pkt_pts_time"  type="xsd:float"/>
      <xsd:attribute name="pkt_dts"       type="xsd:long" />
      <xsd:attribute name="pkt_dts_time"  type="xsd:float"/>
      <xsd:attribute name="pkt_pos"       type="xsd:long" />

      <!-- audio attributes -->
      <xsd:attribute name="sample_fmt"             type="xsd:string"/>
      <xsd:attribute name="nb_samples"             type="xsd:long"  />

      <!-- video attributes -->
      <xsd:attribute name="width"                  type="xsd:long"  />
      <xsd:attribute name="height"                 type="xsd:long"  />
      <xsd:attribute name="pix_fmt"                type="xsd:string"/>
      <xsd:attribute name="sample_aspect_ratio"    type="xsd:string"/>
      <xsd:attribute name="pict_type"              type="xsd:string"/>
      <xsd:attribute name="coded_picture_number"   type="xsd:long"  />
      <xsd:attribute name="display_picture_number" type="xsd:long"  />
      <xsd:attribute name="interlaced_frame"       type="xsd:int"   />
      <xsd:attribute name="top_field_first"        type="xsd:int"   />
      <xsd:attribute name="repeat_pict"            type="xsd:int"   />
      <xsd:attribute name="reference"              type="xsd:int"   />
    </xsd:complexType>

    <xsd:complexType name="streamsType">
        <xsd:sequence>
            <xsd:element name="stream" type="ffprobe:streamType" minOccurs="0" maxOccurs="unbounded"/>
        </xsd:sequence>
    </xsd:complexType>

    <xsd:complexType name="streamType">
      <xsd:attribute name="index"            type="xsd:int" use="required"/>
      <xsd:attribute name="codec_name"       type="xsd:string" />
      <xsd:attribute name="codec_long_name"  type="xsd:string" />
      <xsd:attribute name="codec_type"       type="xsd:string" />
      <xsd:attribute name="codec_time_base"  type="xsd:string" use="required"/>
      <xsd:attribute name="codec_tag"        type="xsd:string" use="required"/>
      <xsd:attribute name="codec_tag_string" type="xsd:string" use="required"/>

      <!-- video attributes -->
      <xsd:attribute name="width"                type="xsd:int"/>
      <xsd:attribute name="height"               type="xsd:int"/>
      <xsd:attribute name="has_b_frames"         type="xsd:int"/>
      <xsd:attribute name="sample_aspect_ratio"  type="xsd:string"/>
      <xsd:attribute name="display_aspect_ratio" type="xsd:string"/>
      <xsd:attribute name="pix_fmt"              type="xsd:string"/>
      <xsd:attribute name="level"                type="xsd:int"/>
      <xsd:attribute name="timecode"             type="xsd:string"/>

      <!-- audio attributes -->
      <xsd:attribute name="sample_fmt"       type="xsd:string"/>
      <xsd:attribute name="sample_rate"      type="xsd:int"/>
      <xsd:attribute name="channels"         type="xsd:int"/>
      <xsd:attribute name="bits_per_sample"  type="xsd:int"/>

      <xsd:attribute name="id"               type="xsd:string"/>
      <xsd:attribute name="r_frame_rate"     type="xsd:string" use="required"/>
      <xsd:attribute name="avg_frame_rate"   type="xsd:string" use="required"/>
      <xsd:attribute name="time_base"        type="xsd:string" use="required"/>
      <xsd:attribute name="start_time"       type="xsd:float"/>
      <xsd:attribute name="duration"         type="xsd:float"/>
      <xsd:attribute name="bit_rate"         type="xsd:int"/>
      <xsd:attribute name="nb_frames"        type="xsd:int"/>
      <xsd:attribute name="nb_read_frames"   type="xsd:int"/>
      <xsd:attribute name="nb_read_packets"  type="xsd:int"/>
    </xsd:complexType>

    <xsd:complexType name="formatType">
      <xsd:sequence>
        <xsd:element name="tag" type="ffprobe:tagType" minOccurs="0" maxOccurs="unbounded"/>
      </xsd:sequence>

      <xsd:attribute name="filename"         type="xsd:string" use="required"/>
      <xsd:attribute name="nb_streams"       type="xsd:int"    use="required"/>
      <xsd:attribute name="format_name"      type="xsd:string" use="required"/>
      <xsd:attribute name="format_long_name" type="xsd:string" use="required"/>
      <xsd:attribute name="start_time"       type="xsd:float"/>
      <xsd:attribute name="duration"         type="xsd:float"/>
      <xsd:attribute name="size"             type="xsd:long"/>
      <xsd:attribute name="bit_rate"         type="xsd:long"/>
    </xsd:complexType>

    <xsd:complexType name="tagType">
      <xsd:attribute name="key"   type="xsd:string" use="required"/>
      <xsd:attribute name="value" type="xsd:string" use="required"/>
    </xsd:complexType>

    <xsd:complexType name="errorType">
      <xsd:attribute name="code"   type="xsd:int"    use="required"/>
      <xsd:attribute name="string" type="xsd:string" use="required"/>
    </xsd:complexType>

    <xsd:complexType name="programVersionType">
      <xsd:attribute name="version"          type="xsd:string" use="required"/>
      <xsd:attribute name="copyright"        type="xsd:string" use="required"/>
      <xsd:attribute name="build_date"       type="xsd:string" use="required"/>
      <xsd:attribute name="build_time"       type="xsd:string" use="required"/>
      <xsd:attribute name="compiler_type"    type="xsd:string" use="required"/>
      <xsd:attribute name="compiler_version" type="xsd:string" use="required"/>
      <xsd:attribute name="configuration"    type="xsd:string" use="required"/>
    </xsd:complexType>

    <xsd:complexType name="libraryVersionType">
      <xsd:attribute name="name"        type="xsd:string" use="required"/>
      <xsd:attribute name="major"       type="xsd:int"    use="required"/>
      <xsd:attribute name="minor"       type="xsd:int"    use="required"/>
      <xsd:attribute name="micro"       type="xsd:int"    use="required"/>
      <xsd:attribute name="version"     type="xsd:int"    use="required"/>
    </xsd:complexType>

    <xsd:complexType name="libraryVersionsType">
        <xsd:sequence>
          <xsd:element name="library_version" type="ffprobe:libraryVersionType" minOccurs="0" maxOccurs="unbounded"/>
        </xsd:sequence>
    </xsd:complexType>
</xsd:schema>
