MPEG4 Custom Settings 1.1

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VideoCodec

VideoCodec - video codec.
Default value - mp4v.

Can possess the following values:

AudioCodec

AudioCodec - audio codec.
Default value - 0.

Can possess the following values:

Width

Width - frame width in pixels.

Height

Height - frame height in pixels.

FrameRate

FrameRate - number of frames per second.
Default value - 25.
The following values are usually used: 23.976, 24, 25, 29.97 or 30.

VideoSAsInput

VideoSAsInput - parameter responsible for using input file characteristics when converting.

Can possess the following values:

PSPMode

PSPMode - parameter responsible for preparing file to be played on PSP devices.
Default value - false.
Some PSP devices can playback files even if you don't apply this parameter.

Can possess the following values:

ProgressiveDownload

ProgressiveDownload - parameter responsible for adding an index (moov atom) to the beginning of a file. The converted file will be prepared for streaming over the Internet.
Default value - false.

Can possess the following values:

ResizeMethod

ResizeMethod - video frame resize method.
Default value - 1.

Can possess the following values:

ResizeQuality

ResizeQuality - resize quality parameter.
Default value - 1.

Can possess the following values:

Frequency

Frequency - audio sample rate. Is used for AAC and MP3 audio codecs only.
Default value - 44100 kHz.

Can possess the following values: 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 kHz.

Channels

Channels - number of channels. Is used for AAC and MP3 audio codecs only.
Default value - 2.

Can possess the following values:

VParams

VParams - a set of parameters for the selected video codec.

The list of parameters for each video codec:

MPEG-4

Example:

"VParams":{"MPG4":{"Profile":8,"Bitrate":572000,"Quality":3,"MaxIFrameInterval":25,"MaxBFrameSequence":0,"AspectRatio":0}}

H.263

Examples:

"VParams":{"H263":{"MotionSrchRng":"1","Quality":"30","VBR":"true"}}
"VParams":{"H263":{"MotionSrchRng":"1","Bitrate":"250000","VBR":"false"}}

H.264

Examples:

"VParams":{"H264":{"Profile":4,"Quality":2,"MaxIFrameInterval":25,"MaxBFrameSequence":0,"VBR":true,"AspectRatio":0}}
"VParams":{"H264":{"Profile":4,"Bitrate":250000,"Quality":2,"MaxIFrameInterval":25,"MaxBFrameSequence":0,"VBR":false,"AspectRatio":0}}
"VParams":{"H264":{"Profile":2,"Bitrate":-1,"Quality":2,"MaxIFrameInterval":25,"MaxBFrameSequence":0,"AspectRatio":0}}
"VParams":{"H264":{"Profile":2,"Bitrate":250000,"Quality":2,"MaxIFrameInterval":25,"MaxBFrameSequence":0,"AspectRatio":0}}

AParams

AParams - a set of parameters for the selected audio codec.

The list of parameters for each audio codec:

AAC

Example:

"AParams":{"AAC":{"Profile":"2","Bitrate":"192000","Quality":"100"}}

AMR

Example:

"AParams":{"AMR":{"Bitrate":7950}}

MP3

Example:

"AParams":{"MP3":{"Bitrate":128}}

Examples

XML-RPC

<member>
    <name>format_id</name>
    <value><string>16505</string></value>
</member>
<member>
    <name>preset_id</name>
    <value><string>-2</string></value>
</member>
<member>
    <name>preset_data</name>
    <value><string>
    {
        "VideoCodec":"avc1",
        "AudioCodec":"mp4a",
        "Width":"320",
        "Height":"180",
        "FrameRate":"25",
        "VideoSAsInput":false,
        "PSPMode":false,
        "ProgressiveDownload":true,
        "ResizeMethod":"1",
        "ResizeQuality":"1",
        "Frequency":"48000",
        "Channels":"2",
        "VParams":
        {
            "H264":
            {
                "Profile":4,
                "Quality":2,
                "MaxIFrameInterval":25,
                "MaxBFrameSequence":0,
                "VBR":true,
                "AspectRatio":0
            }
        },
        "AParams":
        {
            "AAC":
            {
                "Profile":"2",
                "Bitrate":"192000",
                "Quality":"100"
                }
            }
        }
    </string></value>
</member>

JSON-RPC

"preset": 
{
    "format_id": "16505",
    "preset_id": "-2",
    "preset_data": "
    {
        \"VideoCodec\":\"avc1\",
        \"AudioCodec\":\"mp4a\",
        \"Width\":\"320\",
        \"Height\":\"180\",
        \"FrameRate\":\"25\",
        \"VideoSAsInput\":false,
        \"PSPMode\":false,
        \"ProgressiveDownload\":true,
        \"ResizeMethod\":\"1\",
        \"ResizeQuality\":\"1\",
        \"Frequency\":\"48000\",
        \"Channels\":\"2\",
        \"VParams\":
        {
            \"H264\":
            {
                \"Profile\":4,
                \"Quality\":2,
                \"MaxIFrameInterval\":25,
                \"MaxBFrameSequence\":0,
                \"VBR\":true,
                \"AspectRatio\":0
            }
        },
        \"AParams\":
        {
            \"AAC\":
            {
                \"Profile\":\"2\",
                \"Bitrate\":\"192000\",
                \"Quality\":\"100\"
            }
        }
    }"
}

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