ref: d87188b5b1bbe8e9a806eefa8de1b076e76578be
dir: /plugins/xmmsmp4/src/libmp4.c/
/* ** a mp4 AAC audio player for XMMS by ciberfred ** */ #include "mp4.h" #include <pthread.h> #include <glib.h> #include <gtk/gtk.h> #include "faad.h" #include "xmms/plugin.h" #include "xmms/util.h" #include "xmms/configfile.h" #include "xmms/titlestring.h" #include "libmp4_utils.h" #define MP4_DESCRIPTION "MP4 audio player - 1.2.7" #define MP4_VERSION "mp4 audio player (v0.3) - 1 Aout 2003" #define MP4_ABOUT "Written from scratch by ciberfred" static void mp4_init(void); static void mp4_about(void); static void mp4_play(char *); static void mp4_stop(void); static void mp4_pause(short); static void mp4_seek(int); static int mp4_getTime(void); static void mp4_cleanup(void); static void mp4_getSongInfo(char *); static int mp4_isFile(char *); static void *mp4Decode(void *args); InputPlugin mp4_ip = { 0, // handle 0, // filename MP4_DESCRIPTION, mp4_init, mp4_about, 0, // configuration mp4_isFile, 0, //scandir mp4_play, mp4_stop, mp4_pause, mp4_seek, 0, // set equalizer mp4_getTime, 0, // get volume 0, mp4_cleanup, 0, // obsolete 0, // send visualisation data 0, // set player window info 0, // set song title text 0, // get song title text mp4_getSongInfo, // info box 0, // to output plugin }; static gboolean bPlaying = FALSE; static pthread_t decodeThread; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; static int seekPosition = -1; InputPlugin *get_iplugin_info(void) { return(&mp4_ip); } static void mp4_init(void) { memset(&decodeThread, 0, sizeof(pthread_t)); return; } static void mp4_play(char *filename) { bPlaying = TRUE; pthread_create(&decodeThread, 0, mp4Decode, g_strdup(filename)); return; } static void mp4_stop(void) { if(bPlaying){ bPlaying = FALSE; pthread_join(decodeThread, NULL); memset(&decodeThread, 0, sizeof(pthread_t)); mp4_ip.output->close_audio(); } } static void *mp4Decode(void *args) { unsigned long msDuration; unsigned char *buffer = NULL; int bufferSize = 0; int lastframe = 0; faacDecHandle decoder; MP4SampleId numSamples; MP4SampleId sampleID=1; MP4FileHandle mp4file; MP4Duration duration; int mp4track; unsigned long samplerate; unsigned char channels; unsigned int avgBitrate; pthread_mutex_lock(&mutex); seekPosition = -1; bPlaying = TRUE; if(!(mp4file = MP4Read(args, 0))){ printf("can't open file: %s\n", args); free(args); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } if((mp4track = getAACTrack(mp4file)) < 0){ // check here for others Audio format..... g_print("Unsupported Audio track type\n"); free(args); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } decoder = faacDecOpen(); MP4GetTrackESConfiguration(mp4file, mp4track, &buffer, &bufferSize); if(!buffer){ free(args); faacDecClose(decoder); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } if(faacDecInit2(decoder, buffer, bufferSize, &samplerate, &channels)<0){ free(args); faacDecClose(decoder); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } free(buffer); if(channels == 0){ g_print("Number of Channels not supported\n"); free(args); faacDecClose(decoder); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } mp4_ip.output->open_audio(FMT_S16_NE, samplerate, channels); mp4_ip.output->flush(0); g_print("MP4 flush\n"); duration = MP4GetTrackDuration(mp4file, mp4track); msDuration = MP4ConvertFromTrackDuration(mp4file, mp4track, duration, MP4_MSECS_TIME_SCALE); numSamples = MP4GetTrackNumberOfSamples(mp4file, mp4track); //mp4_ip.set_info(args, msDuration, -1, samplerate/1000, channels); while(bPlaying){ void *sampleBuffer; faacDecFrameInfo frameInfo; int rc; if(seekPosition!=-1){ duration = MP4ConvertToTrackDuration(mp4file, mp4track,seekPosition*1000, MP4_MSECS_TIME_SCALE); sampleID = MP4GetSampleIdFromTime(mp4file, mp4track, duration, 0); mp4_ip.output->flush(seekPosition*1000); seekPosition = -1; } buffer=NULL; bufferSize=0; if(sampleID > numSamples){ mp4_ip.output->close_audio(); free(args); faacDecClose(decoder); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } rc = MP4ReadSample(mp4file, mp4track, sampleID++, &buffer, &bufferSize, NULL, NULL, NULL, NULL); //g_print("%d/%d\n", sampleID-1, numSamples); if((rc==0) || (buffer== NULL)){ printf("read error\n"); sampleBuffer = NULL; sampleID=0; mp4_ip.output->buffer_free(); mp4_ip.output->close_audio(); free(args); faacDecClose(decoder); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } else{ sampleBuffer = faacDecDecode(decoder, &frameInfo, buffer, bufferSize); if(frameInfo.error > 0){ printf("FAAD2 error : %s\n", faacDecGetErrorMessage(frameInfo.error)); mp4_ip.output->close_audio(); free(args); faacDecClose(decoder); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } if(buffer){ free(buffer); buffer=0; } while(bPlaying && mp4_ip.output->buffer_free()<frameInfo.samples<<1) xmms_usleep(30000); } //mp4_ip.add_vis_pcm(mp4_ip.output->written_time(), FMT_S16_NE, channels, frameInfo.samples<<1, sampleBuffer); mp4_ip.output->write_audio(sampleBuffer, frameInfo.samples<<1); } while(bPlaying && mp4_ip.output->buffer_free()){ xmms_usleep(10000); } mp4_ip.output->close_audio(); free(args); faacDecClose(decoder); MP4Close(mp4file); bPlaying = FALSE; pthread_mutex_unlock(&mutex); pthread_exit(NULL); } static int mp4_isFile(char *filename) { char *extention = strrchr(filename, '.'); if (extention && !strcasecmp(extention, ".mp4") || !strcasecmp(extention, ".m4a") ){ return (1); } return(0); } static void mp4_about(void) { static GtkWidget *aboutbox; if(aboutbox!=NULL) return; aboutbox = xmms_show_message( "About MP4 AAC player plugin", "decoding engine : FAAD2 (30 July 2003)\n" "plugin version : 0.3 (ciberfred)/static", "Ok", FALSE, NULL, NULL); gtk_signal_connect(GTK_OBJECT(aboutbox), "destroy", GTK_SIGNAL_FUNC(gtk_widget_destroyed), &aboutbox); } static void mp4_pause(short flag) { mp4_ip.output->pause(flag); } static void mp4_seek(int time) { seekPosition = time; while(bPlaying && seekPosition!=-1) xmms_usleep(10000); } static int mp4_getTime(void) { if (!bPlaying){ return (-1); } else{ return (mp4_ip.output->output_time()); } } static void mp4_cleanup(void) { } static void mp4_getSongInfo(char *filename) { getMP4info(filename); }