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495 lines
9.9 KiB
495 lines
9.9 KiB
//------------------------------------------------------------- |
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//------------------------------------------------------------- |
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//- |
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//- musicminiaudio.cpp |
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//- |
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//------------------------------------------------------------- |
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//------------------------------------------------------------- |
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//- by Roy at suggestion by nekonomicon, based on code by JujU |
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//------------------------------------------------------------- |
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//- mp3 player code for HL mod |
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//------------------------------------------------------------- |
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//- |
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//- compatible with version 0.11.9 of Miniaudio |
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//- https://github.com/mackron/miniaudio |
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//- |
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//------------------------------------------------------------- |
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/* |
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Don't forget to update the miniaudio submodule. |
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Miniaudio 0.11.9 or better required. |
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Tested on Debian. |
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For playlist format see the bottom of the file. |
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*/ |
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//--------------------------------------------------------- |
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// inclusions |
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#include "extdll.h" |
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#include "util.h" |
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#include "cbase.h" |
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#include "musicminiaudio.h" |
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//These are just initial ones. If the actual track has different ones, they will be re-applied during Play(). |
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#define SAMPLE_FORMAT ma_format_f32 |
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#define CHANNEL_COUNT 2 |
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#define SAMPLE_RATE 48000 |
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CMusic g_MusicPlayer; |
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void CMusic_DecoderCallback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount); |
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//--------------------------------------------------------- |
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// initialisation |
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void CMusic :: Init ( void ) |
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{ |
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if( m_bInit == TRUE ){ |
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return; //Do not re-init. |
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} |
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deviceConfig = ma_device_config_init(ma_device_type_playback); |
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deviceConfig.playback.format = SAMPLE_FORMAT; |
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deviceConfig.playback.channels = CHANNEL_COUNT; |
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deviceConfig.sampleRate = SAMPLE_RATE; |
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deviceConfig.dataCallback = CMusic_DecoderCallback; // this contains the callback that monitors the end of the song |
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deviceConfig.pUserData = NULL; |
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if (ma_device_init(NULL, &deviceConfig, &device) != MA_SUCCESS) { |
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ALERT ( at_console, "MUSICPLAYER : unable to initialize\n" ); |
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return; |
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} |
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m_bInit = TRUE; |
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} |
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//--------------------------------------------------------- |
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// Callback being called during playback |
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void CMusic_DecoderCallback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount) |
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{ |
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if(g_MusicPlayer.m_IsPlaying == FALSE){ |
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return; //We are paused or stopped, let's exit now. |
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} |
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ma_decoder* pDecoder = (ma_decoder*)&g_MusicPlayer.decoder; |
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if (pDecoder == NULL) { |
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return; |
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} |
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if(frameCount<=0) return; |
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ma_uint64 framesRead; |
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ma_decoder_read_pcm_frames(pDecoder, pOutput, frameCount, &framesRead); |
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if(framesRead < frameCount) //This happens when the song ends. |
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g_MusicPlayer.songEnd(); |
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(void)pInput; |
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} |
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//--------------------------------------------------------- |
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// playing an audio file |
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void CMusic :: OpenFile ( const char *filename, int repeat ) |
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{ |
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audiofile_t *p = NULL; |
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p = new audiofile_t; |
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sprintf ( p->name, filename ); |
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p->repeat = repeat; |
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p->next = m_pTrack; |
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m_pTrack = p; |
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} |
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//--------------------------------------------------------- |
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// play a list of audio files |
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void CMusic :: OpenList ( const char *filename ) |
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{ |
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// open text file |
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FILE *myfile = fopen ( filename, "r" ); |
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if ( myfile == NULL ) |
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{ |
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ALERT ( at_console, "MUSICPLAYER : impossible to load %s\n", filename ); |
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return; |
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} |
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// saving songs to the list |
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int total = 0; |
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if ( fscanf ( myfile, "%i", &total ) != EOF ) |
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{ |
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for ( int i=0; i<total; i++ ) |
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{ |
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char ctitle [128]; |
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int irepeat; |
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// reading the title |
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if ( fscanf ( myfile, "%s", ctitle ) != EOF ) |
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{ |
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if ( fscanf ( myfile, "%i", &irepeat ) != EOF ) |
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OpenFile ( ctitle, irepeat ); |
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else |
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break; |
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} |
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else |
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break; |
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} |
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} |
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// close text file |
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fclose ( myfile ); |
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} |
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//--------------------------------------------------------- |
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// end of the song |
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void CMusic :: songEnd ( ) |
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{ |
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// end of the song |
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g_MusicPlayer.Stop (); |
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// search for the first song in the list |
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audiofile_t *p = NULL; |
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p = g_MusicPlayer.m_pTrack; |
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while ( p != NULL ) |
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{ |
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if ( p->next == NULL ) |
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break; |
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else |
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p = p->next; |
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} |
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if ( p == NULL ) |
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{ |
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ALERT ( at_console, "MUSICPLAYER : no song in the list\n" ); |
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return; |
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} |
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// decrease repeat count |
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p->repeat --; |
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// removal of songs whose repeats ran off |
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if ( p->repeat < 1 ) |
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{ |
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if ( g_MusicPlayer.m_pTrack == p ) |
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{ |
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delete g_MusicPlayer.m_pTrack; |
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g_MusicPlayer.m_pTrack = NULL; |
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} |
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else |
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{ |
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audiofile_t *q = NULL; |
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q = g_MusicPlayer.m_pTrack; |
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while ( q->next != p ) |
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q = q->next; |
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delete q->next; |
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q->next = NULL; |
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} |
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} |
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// close player if list is empty |
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if ( g_MusicPlayer.m_pTrack == NULL ) |
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{ |
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g_MusicPlayer.Reset(); |
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} |
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// next track start |
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else |
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{ |
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g_MusicPlayer.Play(); |
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} |
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return; |
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} |
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//--------------------------------------------------------- |
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// initiate playback |
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void CMusic :: Play ( void ) |
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{ |
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if ( m_IsPlaying == TRUE ) |
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return; |
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if ( m_bInit == FALSE ) |
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{ |
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Init (); |
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if ( m_bInit == FALSE ) |
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{ |
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ALERT ( at_console, "MUSICPLAYER : unable to initialize\n" ); |
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return; |
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} |
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} |
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// search for the first song in the list |
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audiofile_t *p = NULL; |
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p = m_pTrack; |
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while ( p != NULL ) |
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{ |
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if ( p->next == NULL ) |
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break; |
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else |
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p = p->next; |
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} |
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if ( p == NULL ) |
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{ |
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ALERT ( at_console, "MUSICPLAYER : no song in the list\n" ); |
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return; |
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} |
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//Stop playback |
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m_IsPlaying = FALSE; //Pause playback. |
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ma_decoder_seek_to_pcm_frame(&decoder, 0); //Reset the file to start. |
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// loading file |
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char payload [512]; |
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sprintf(payload, "%s", p->name); |
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ALERT ( at_console, "MUSICPLAYER : Opening file %s.\n", payload ); |
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result = ma_decoder_init_file(payload, NULL, &decoder); |
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if (result != MA_SUCCESS) { |
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ALERT ( at_console, "MUSICPLAYER : %s : can not load file\n", p->name ); |
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return; |
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} |
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//If the new track has different properties to the previous one. |
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if( |
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deviceConfig.playback.format != decoder.outputFormat || |
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deviceConfig.playback.channels != decoder.outputChannels || |
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deviceConfig.sampleRate != decoder.outputSampleRate |
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){ |
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deviceConfig.playback.format = decoder.outputFormat; //Change device settings |
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deviceConfig.playback.channels = decoder.outputChannels; |
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deviceConfig.sampleRate = decoder.outputSampleRate; |
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ALERT ( at_console, "MUSICPLAYER : Changing format to %d, channels to %d and sample rate to %d.\n", deviceConfig.playback.format, deviceConfig.playback.channels, deviceConfig.sampleRate); |
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//Now we need to recreate the device to apply. |
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ma_device_uninit(&device); //This is crucial, failing to do this results in segFault. |
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if (ma_device_init(NULL, &deviceConfig, &device) != MA_SUCCESS) { //Apply new config. |
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ALERT ( at_console, "MUSICPLAYER : Failed to change playback device configuration.\n" ); |
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g_MusicPlayer.m_bInit = FALSE; //We have been deinitialized. This is NOT ideal. |
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return; |
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}else |
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ALERT ( at_console, "MUSICPLAYER : New configuration applied successfully.\n"); |
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} |
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// playback |
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if (ma_device_start(&device) != MA_SUCCESS) { |
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ALERT ( at_console, "MUSICPLAYER : Failed to start playback device.\n" ); |
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m_IsPlaying = FALSE; //Pause playback. |
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ma_decoder_seek_to_pcm_frame(&decoder, 0); //Reset the file to start. |
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return; |
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}else{ |
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m_IsPlaying = TRUE; |
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} |
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return; |
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} |
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void CMusic :: Stop ( void ) |
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{ |
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if ( m_IsPlaying == TRUE ) |
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{ |
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m_IsPlaying = FALSE; //Pause playback. |
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ma_decoder_seek_to_pcm_frame(&decoder, 0); //Reset the file to start. |
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} |
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} |
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void CMusic :: Reset ( void ) //Should instead be called "Next Track", but we keep Julien's naming. |
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{ |
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//Reset the player. |
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if ( m_bInit == TRUE ) |
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ALERT ( at_console, "MUSICPLAYER : Player reset.\n" ); |
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Stop(); |
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audiofile_t *p = NULL; |
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while ( m_pTrack != NULL ) |
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{ |
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p = m_pTrack; |
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m_pTrack = p->next; |
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delete p; |
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} |
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} |
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void CMusic :: Terminate ( void ) //Cleanup and dereference |
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{ |
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ALERT ( at_console, "MUSICPLAYER : Terminating and unloading.\n" ); |
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ma_device_uninit(&device); |
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ma_decoder_uninit(&decoder); |
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g_MusicPlayer.m_bInit = FALSE; |
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} |
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//--------------------------------------------------------- |
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// entity class |
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class CTriggerMusic : public CPointEntity |
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{ |
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public: |
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void Spawn ( void ); |
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void KeyValue ( KeyValueData *pkvd ); |
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void Use ( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value ); |
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virtual int Save ( CSave &save ); |
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virtual int Restore ( CRestore &restore ); |
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static TYPEDESCRIPTION m_SaveData[]; |
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string_t m_iFileName; // file path |
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int m_iFileType; // text file (list) or audio file |
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}; |
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LINK_ENTITY_TO_CLASS( trigger_music, CTriggerMusic ); |
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TYPEDESCRIPTION CTriggerMusic::m_SaveData[] = |
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{ |
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DEFINE_FIELD( CTriggerMusic, m_iFileType, FIELD_INTEGER ), |
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DEFINE_FIELD( CTriggerMusic, m_iFileName, FIELD_STRING ), |
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}; |
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IMPLEMENT_SAVERESTORE( CTriggerMusic, CPointEntity ); |
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void CTriggerMusic :: Spawn( void ) |
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{ |
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pev->solid = SOLID_NOT; |
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pev->effects = EF_NODRAW; |
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} |
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void CTriggerMusic :: KeyValue( KeyValueData *pkvd ) |
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{ |
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if (FStrEq(pkvd->szKeyName, "filetype")) |
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{ |
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m_iFileType = atoi(pkvd->szValue); |
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pkvd->fHandled = TRUE; |
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} |
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else if (FStrEq(pkvd->szKeyName, "filename")) |
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{ |
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m_iFileName = ALLOC_STRING(pkvd->szValue); |
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pkvd->fHandled = TRUE; |
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} |
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else |
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CPointEntity::KeyValue( pkvd ); |
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} |
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void CTriggerMusic :: Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value ) |
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{ |
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if ( g_MusicPlayer.m_IsPlaying == TRUE ) |
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return; |
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if ( m_iFileType == MUSIC_AUDIO_FILE ) |
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{ |
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g_MusicPlayer.OpenFile ( STRING(m_iFileName), 1 ); |
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} |
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else |
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{ |
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g_MusicPlayer.OpenList ( STRING(m_iFileName) ); |
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} |
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g_MusicPlayer.Play(); |
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} |
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/* |
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code |
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@PointClass base( Targetname ) = trigger_music : "Trigger Music" |
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[ |
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filetype(choices) : "File type" : 0 = |
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[ |
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0: "File list (*.txt)" |
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1: "File wav mp2 mp3 ogg raw" |
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] |
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filename(string) : "Name (mod/folder/file.extension)" |
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] |
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*/ |
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/*//--------------- |
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Playlist contents |
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example: music01.txt file: |
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// |
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3 |
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monmod/sound/mp3/music01_debut.mp3 1 |
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monmod/sound/mp3/music01_boucle.mp3 3 |
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monmod/sound/mp3/music01_fin.mp3 1 |
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// |
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composition : |
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- total number of tracks |
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- path of the first music file |
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- times to repeat that file |
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- path of the second |
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- etc ... |
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*///---------------
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