xymp
/
MpLive
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix audio sampling in FLV muxer

Browse Source
camera2
begeekmyfriend 8 years ago
parent f759800d87
commit f6dfbe3f62
1 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File

21
library/src/main/java/net/ossrs/yasea/SrsFlvMuxer.java
Unescape Escape View File

@ -343,13 +343,12 @@ public class SrsFlvMuxer {
*/
private class SrsCodecAudioSampleRate
{
// set to the max value to reserved, for array map.
public final static int Reserved = 4;
public final static int R5512 = 0;
public final static int R11025 = 1;
public final static int R22050 = 2;
public final static int R44100 = 3;
public final static int R5512 = 5512;
public final static int R11025 = 11025;
public final static int R22050 = 22050;
public final static int R44100 = 44100;
public final static int R32000 = 32000;
public final static int R16000 = 16000;
}
/**
@ -749,6 +748,10 @@ public class SrsFlvMuxer {
samplingFrequencyIndex = 0x07;
} else if (asample_rate == SrsCodecAudioSampleRate.R11025) {
samplingFrequencyIndex = 0x0a;
} else if (asample_rate == SrsCodecAudioSampleRate.R32000) {
samplingFrequencyIndex = 0x05;
} else if (asample_rate == SrsCodecAudioSampleRate.R16000) {
samplingFrequencyIndex = 0x08;
}
ch |= (samplingFrequencyIndex >> 1) & 0x07;
audio_tag.put(ch, 2);
@ -787,11 +790,13 @@ public class SrsFlvMuxer {
sound_type = 1; // 1 = Stereo sound
}
byte sound_size = 1; // 1 = 16-bit samples
byte sound_rate = 3; // 44100, 22050, 11025
byte sound_rate = 3; // 44100, 22050, 11025, 5512
if (asample_rate == 22050) {
sound_rate = 2;
} else if (asample_rate == 11025) {
sound_rate = 1;
} else if (asample_rate == 5512) {
sound_rate = 0;
}
// for audio frame, there is 1 or 2 bytes header:

Write Preview
Loading…
Cancel
Save