-
Notifications
You must be signed in to change notification settings - Fork 6
Expand file tree
/
Copy pathaudiodecoder.cpp
More file actions
91 lines (70 loc) · 2.68 KB
/
audiodecoder.cpp
File metadata and controls
91 lines (70 loc) · 2.68 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
#include "audiodecoder.h"
#include "utils.h"
//---------------------------------------------------------------------------------------
AudioDecoder::AudioDecoder(const QString &name, QObject *parent)
: Decoder{name, parent}
{
}
//---------------------------------------------------------------------------------------
void AudioDecoder::setAudioLevelMeter(const std::shared_ptr<AudioLevelMeter> &meter)
{
levelMeter = meter;
}
//---------------------------------------------------------------------------------------
bool AudioDecoder::open(AVStream *stream)
{
bool res = Decoder::open(stream);
if (!res)
return res;
inChannelCount = codecContext->ch_layout.nb_channels;
outChannelCount = inChannelCount;
outSampleRate = codecContext->sample_rate;
outSampleFormat = codecContext->sample_fmt;
outChannelLayout = codecContext->ch_layout;
QString msg = QString("Audio format (FFmpeg):\n"
"- channel count - %2\n"
"- sample rate - %1\n"
"- sample format - %3" )
.arg(outChannelCount)
.arg(outSampleRate)
.arg(mapAvSampleFormatToString(outSampleFormat));
loggable.logMessage(objectName(), QtDebugMsg, msg);
return res;
}
//---------------------------------------------------------------------------------------
QAudioFormat AudioDecoder::audioFormat()
{
QAudioFormat format;
if (isOpen())
{
format.setSampleRate(outSampleRate);
format.setChannelCount(outChannelCount);
format.setSampleFormat(mapSampleFormat(outSampleFormat));
}
QString msg = QString("Audio format (Qt):\n"
"- channel count - %2\n"
"- sample rate - %1\n"
"- sample format - %3" )
.arg(format.channelCount())
.arg(format.sampleRate())
.arg(mapQSampleFormatToString(format.sampleFormat()));
loggable.logMessage(objectName(), QtDebugMsg, msg);
return format;
}
//---------------------------------------------------------------------------------------
int AudioDecoder::inputChannelCount() const
{
return inChannelCount;
}
//---------------------------------------------------------------------------------------
int AudioDecoder::outputFrame(AVFrame *avFrame)
{
std::shared_ptr<AudioFrame> audioFrame(new AudioFrame(avFrame->pts));
int size = audioFrame->fromAvFrame(avFrame);
if (size)
emit audioSampleReady(audioFrame);
if (levelMeter)
levelMeter->receiveAudioSample(avFrame);
return size;
}
//---------------------------------------------------------------------------------------