/*
 * Copyright 2005, Marcus Overhagen, marcus@overhagen.de. All rights reserved.
 * Copyright 2005, Jérôme Duval. All rights reserved.
 * Distributed under the terms of the MIT License.
 */
#include <Application.h>
#include <Entry.h>
#include <MediaFile.h>
#include <MediaTrack.h>
#include <OS.h>
#include <SoundPlayer.h>
#include <Url.h>

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>

thread_id reader = -1;
sem_id finished = -1;
BMediaTrack* playTrack;
media_format playFormat;
BSoundPlayer* sp = 0;
volatile bool interrupt = false;

void
play_buffer(void *cookie, void * buffer, size_t size, const media_raw_audio_format & format)
{
        int64 frames = 0;
        
        // Use your feeling, Obi-Wan, and find him you will. 
        playTrack->ReadFrames(buffer, &frames);
        
        if (frames <=0) {
                sp->SetHasData(false);
                release_sem(finished);
        }
}


void
keyb_int(int)
{
        // Are you threatening me, Master Jedi?
        interrupt = true;
        release_sem(finished);
}


int
main(int argc, char *argv[])
{
        if (argc != 2) {
                fprintf(stderr, "Usage:\n  %s <filename or url>\n", argv[0]);
                return 1;
        }

        BUrl url;
        bool isUrl = false;
        entry_ref ref;

        if (get_ref_for_path(argv[1], &ref) != B_OK) {
                url.SetUrlString(argv[1]);
                if (url.IsValid())
                        isUrl = true;
                else
                        return 2;
        }

        BMediaFile* playFile;
        if (isUrl)
                playFile = new BMediaFile(url);
        else
                playFile = new BMediaFile(&ref);

        if (playFile->InitCheck()<B_OK) {
                delete playFile;
                return 2;
        }
        
        for (int ix=0; ix<playFile->CountTracks(); ix++) {
                BMediaTrack * track = playFile->TrackAt(ix);
                playFormat.type = B_MEDIA_RAW_AUDIO;
                if ((track->DecodedFormat(&playFormat) == B_OK) 
                        && (playFormat.type == B_MEDIA_RAW_AUDIO)) {
                        playTrack = track;
                        break;
                }
                if (track)
                        playFile->ReleaseTrack(track);
        }
        // Good relations with the Wookiees, I have. 
        signal(SIGINT, keyb_int);

        new BApplication("application/x-vnd.Haiku-playfile");
        finished = create_sem(0, "finish wait");
        
        printf("playing file...\n");
        
        // Execute Plan 66!
        sp = new BSoundPlayer(&playFormat.u.raw_audio, "playfile", play_buffer);
        sp->SetVolume(1.0f);

        // Join me, Padmé and together we can rule this galaxy. 
        sp->SetHasData(true);
        sp->Start();

        acquire_sem(finished);

        if (interrupt) {
                // Once more, the Sith will rule the galaxy. 
                printf("interrupted\n");
                sp->Stop();
                kill_thread(reader);
        }

        printf("playback finished\n");

        delete sp;
        delete playFile;
}