blob: 3c2971d01c19229f19ed34fd1b0c655f693aa2c7 (
plain)
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
92
93
94
95
96
97
98
99
100
101
102
|
/* ------------------------------------------------------------------
* Copyright (C) 2019 Matthias P. Braendli
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
/*! \file GSTInput.h
*
* This input uses GStreamer to get audio data.
*/
#pragma once
#include "config.h"
#if HAVE_GST
#include <string>
#include <atomic>
#include <thread>
#include <vector>
#include <cstddef>
#include <cstdint>
#include <gst/gst.h>
#include "SampleQueue.h"
#include "common.h"
#include "InputInterface.h"
#include "utils.h"
struct GSTData {
GSTData(SampleQueue<uint8_t>& samplequeue);
// When using URL and uridecodebin
GstElement *pipeline = nullptr;
GstElement *uridecodebin = nullptr;
GstElement *audio_convert = nullptr;
GstElement *audio_resample = nullptr;
GstElement *caps_filter = nullptr;
GstElement *app_sink = nullptr;
// When using pipeline
GstElement *custom_bin = nullptr;
GstBus *bus = nullptr;
SampleQueue<uint8_t>& samplequeue;
};
class GSTInput : public InputInterface
{
public:
GSTInput(const std::string& uri,
const std::string& pipeline,
int rate,
unsigned channels,
SampleQueue<uint8_t>& queue);
GSTInput(const GSTInput& other) = delete;
GSTInput& operator=(const GSTInput& other) = delete;
virtual ~GSTInput();
virtual void prepare() override;
virtual bool read_source(size_t num_bytes) override;
ICY_TEXT_t get_icy_text() const;
int getRate() { return m_rate; }
virtual bool fault_detected(void) const override { return m_fault; };
private:
std::string m_uri;
std::string m_pipeline;
unsigned m_channels;
int m_rate;
GSTData m_gst_data;
mutable std::mutex m_nowplaying_mutex;
ICY_TEXT_t m_nowplaying;
void process();
std::atomic<bool> m_fault = ATOMIC_VAR_INIT(false);
std::atomic<bool> m_running;
std::thread m_thread;
};
#endif // HAVE_GST
|
