66 static PyObject * ifoinfo_get_audio_track(ifo_handle_t *vtsfile, int ttn, int id) {
67     char audioformat[7];
68     char audiolang[5];
69     int audiochannels;
70     int audiofreq;
71     int audioid;
72     audio_attr_t *attr;
73     pgc_t *pgc = vtsfile->vts_pgcit ? vtsfile->vts_pgcit->pgci_srp[ttn].pgc : NULL;
74 
when treating unknown struct ifo_handle_t * from src/disc/ifomodule.c:67 as non-NULL
when treating unknown struct pgcit_t * from src/disc/ifomodule.c:74 as non-NULL
taking True path
when treating unknown struct pgcit_t * from src/disc/ifomodule.c:74 as non-NULL
when treating unknown struct pgci_srp_t * from src/disc/ifomodule.c:74 as non-NULL
75     if (!pgc || !vtsfile->vtsi_mat || (pgc->audio_control[id] & 0x8000) == 0)
76         return NULL;
when treating unknown struct pgc_t * from src/disc/ifomodule.c:74 as non-NULL
taking False path
when treating unknown struct vtsi_mat_t * from src/disc/ifomodule.c:76 as non-NULL
taking False path
taking True path
77 
78     attr = &vtsfile->vtsi_mat->vts_audio_attr[id];
79 
80     if ( attr->audio_format == 0
81          && attr->multichannel_extension == 0
82          && attr->lang_type == 0
83          && attr->application_mode == 0
84          && attr->quantization == 0
85          && attr->sample_frequency == 0
86          && attr->channels == 0
87          && attr->lang_extension == 0
88          && attr->unknown1 == 0
89          && attr->unknown1 == 0) {
90         return NULL;
91     }
92 
93     audioid = pgc->audio_control[id] >> 8 & 7;
94 
95     /* audio format */
96     switch (attr->audio_format) {
97     case 0:
98         snprintf(audioformat, 7, "0x2000");
99         audioid += 128; // AC3 ids start at 128
100         break;
101     case 2:
102         snprintf(audioformat, 7, "0x0050");
103         break;
104     case 3:
105         snprintf(audioformat, 5, "MP2A");
106         break;
107     case 4:
108         snprintf(audioformat, 7, "0x0001");
109         audioid += 160; // PCM ids start at 160
110         break;
111     case 6:
112         snprintf(audioformat, 7, "0x2001");
113         audioid += 136; // DTS ids start at 136
114         break;
115     default:
116         snprintf(audioformat, 7, "%02x%02x", 0, 0);
117     }
118 
119     switch (attr->lang_type) {
120     case 0:
121         assert(attr->lang_code == 0 || attr->lang_code == 0xffff);
122         snprintf(audiolang, 5, "N/A");
123         break;
124     case 1:
125         snprintf(audiolang, 5, "%c%c", attr->lang_code>>8,
126                  attr->lang_code & 0xff);
127         break;
128     default:
129         snprintf(audiolang, 5, "N/A");
130     }
131 
132     switch(attr->sample_frequency) {
133     case 0:
134         audiofreq = 48000;
135         break;
136     case 1:
137         audiofreq = -1;
138         break;
139     default:
140         audiofreq = -1;
141     }
142 
143     audiochannels = attr->channels + 1;
144 
145     //AUDIOTRACK: ID=%i; LANG=%s; FORMAT=%s; CHANNELS=%i; FREQ=%ikHz
146     return Py_BuildValue("(issii)", audioid, audiolang, audioformat, audiochannels, audiofreq);
147 }
148