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Added MPEG library

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This commit is contained in:
Erik Zandvliet 2017-07-28 11:43:24 +02:00 • committed by Thulinma
parent 5dce70e933
commit 9c2bd38611
4 changed files with 113 additions and 7 deletions
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11
src/input/input_mp3.cpp
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@ -8,6 +8,7 @@
#include <mist/stream.h>
#include <mist/flv_tag.h>
#include <mist/defines.h>
#include <mist/mpeg.h>
#include "input_mp3.h"
@ -70,13 +71,9 @@ namespace Mist {
fread(header, 4, 1, inFile);
fseek(inFile, filePos, SEEK_SET);
//mpeg version is on the bits 0x18 of header[1], but only 0x08 is important --> 0 is version 2, 1 is version 1
//leads to 2 - value == version, -1 to get the right index for the array
int mpegVersion = 1 - ((header[1] >> 3) & 0x01);
//samplerate is encoded in bits 0x0C of header[2];
myMeta.tracks[1].rate = sampleRates[mpegVersion][((header[2] >> 2) & 0x03)] * 1000;
myMeta.tracks[1].channels = 2 - ( header[3] >> 7);
Mpeg::MP2Info mp2Info = Mpeg::parseMP2Header(header);
myMeta.tracks[1].rate = mp2Info.sampleRate;
myMeta.tracks[1].channels = mp2Info.channels;
getNext();
while (thisPacket){