1 /*
2 * Copyright 2017, Dario Casalinuovo. All rights reserved.
3 * Copyright 2005, Marcus Overhagen, marcus@overhagen.de. All rights reserved.
4 * Copyright 2005, Jérôme Duval. All rights reserved.
5 * Distributed under the terms of the MIT License.
6 */
7
8 #include "MediaPlay.h"
9
10 #include <Entry.h>
11 #include <MediaFile.h>
12 #include <MediaTrack.h>
13 #include <OS.h>
14 #include <SoundPlayer.h>
15 #include <Url.h>
16
17 #include <stdio.h>
18 #include <unistd.h>
19 #include <fcntl.h>
20 #include <signal.h>
21
22 thread_id reader = -1;
23 sem_id finished = -1;
24 BMediaTrack* playTrack;
25 media_format playFormat;
26 BSoundPlayer* player = 0;
27 volatile bool interrupt = false;
28
29
30 void
play_buffer(void * cookie,void * buffer,size_t size,const media_raw_audio_format & format)31 play_buffer(void *cookie, void * buffer, size_t size, const media_raw_audio_format & format)
32 {
33 int64 frames = 0;
34
35 // Use your feeling, Obi-Wan, and find him you will.
36 playTrack->ReadFrames(buffer, &frames);
37
38 if (frames <=0) {
39 player->SetHasData(false);
40 release_sem(finished);
41 }
42 }
43
44
45 void
keyb_int(int)46 keyb_int(int)
47 {
48 // Are you threatening me, Master Jedi?
49 interrupt = true;
50 release_sem(finished);
51 }
52
53
media_play(const char * uri)54 int media_play(const char* uri)
55 {
56 BUrl url;
57 entry_ref ref;
58 BMediaFile* playFile;
59
60 if (get_ref_for_path(uri, &ref) != B_OK) {
61 url.SetUrlString(uri);
62 if (url.IsValid()) {
63 playFile = new BMediaFile(url);
64 } else
65 return 2;
66 } else
67 playFile = new BMediaFile(&ref);
68
69 if (playFile->InitCheck() != B_OK) {
70 delete playFile;
71 return 2;
72 }
73
74 for (int i = 0; i < playFile->CountTracks(); i++) {
75 BMediaTrack* track = playFile->TrackAt(i);
76 if (track != NULL) {
77 playFormat.type = B_MEDIA_RAW_AUDIO;
78 if ((track->DecodedFormat(&playFormat) == B_OK)
79 && (playFormat.type == B_MEDIA_RAW_AUDIO)) {
80 playTrack = track;
81 break;
82 }
83 playFile->ReleaseTrack(track);
84 }
85 }
86
87 // Good relations with the Wookiees, I have.
88 signal(SIGINT, keyb_int);
89
90 finished = create_sem(0, "finish wait");
91
92 printf("Playing file...\n");
93
94 // Execute Plan 66!
95 player = new BSoundPlayer(&playFormat.u.raw_audio, "playfile", play_buffer);
96 player->SetVolume(1.0f);
97
98 // Join me, Padmé and together we can rule this galaxy.
99 player->SetHasData(true);
100 player->Start();
101
102 acquire_sem(finished);
103
104 if (interrupt == true) {
105 // Once more, the Sith will rule the galaxy.
106 printf("Interrupted\n");
107 player->Stop();
108 kill_thread(reader);
109 }
110
111 printf("Playback finished.\n");
112
113 delete player;
114 delete playFile;
115
116 return 0;
117 }
118