MP4SetAudioProfileLevel - Man Page
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