MP4SetAudioProfileLevel

Langue: en

Version: 156658 (fedora - 05/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

MP4SetAudioProfileLevel - Sets the minimum MPEG-4 audio profile and level required to render the contents of the file

SYNTAX

#include <mp4.h>

bool MP4SetAudioProfileLevel(

        MP4FileHandle hFile,

        u_int8_t profileLevel
)

ARGUMENTS

hFile
Specifies the mp4 file to which the operation applies.

RETURN VALUES

Upon success, true (1). Upon an error, false (0).

DESCRIPTION

MP4SetAudioProfileLevel sets the minumum profile/level of MPEG-4 audio support necessary to render the contents of the file.

ISO/IEC 14496-1:2001 MPEG-4 Systems defines the following values:
       0x00            Reserved

       0x01            Main Profile @ Level 1

       0x02            Main Profile @ Level 2

       0x03            Main Profile @ Level 3

       0x04            Main Profile @ Level 4

       0x05            Scalable Profile @ Level 1

       0x06            Scalable Profile @ Level 2

       0x07            Scalable Profile @ Level 3

       0x08            Scalable Profile @ Level 4

       0x09            Speech Profile @ Level 1

       0x0A            Speech Profile @ Level 2

       0x0B            Synthesis Profile @ Level 1

       0x0C            Synthesis Profile @ Level 2

       0x0D            Synthesis Profile @ Level 3

       0x0E-0x7F       Reserved

       0x80-0xFD       User private

       0xFE            No audio profile specified

       0xFF            No audio required

SEE ALSO

MP4(3) MP4GetAudioProfileLevel(3)