sof-tplgreader: support rates list

WIP

Signed-off-by: Fred Oh <fred.oh@linux.intel.com>

tools/sof-tplgreader.py

@@ -63,11 +63,14 @@ def loadFile(self, filename, sofcard=0):
                 # supported formats of playback pipeline in formats[0]
                 # supported formats of capture pipeline in formats[1]
                 formats = TplgFormatter.get_pcm_fmt(pcm)
+                rates = TplgFormatter.get_pcm_rate_list(pcm)
                 # if capture is present, pcm['capture'] = 1, otherwise, pcm['capture'] = 0,
                 # same thing for pcm['playback']
                 pipeline_dict['fmts'] = " ".join(formats[pcm['capture']])
                 # use the first supported format for test
                 pipeline_dict['fmt'] = pipeline_dict['fmts'].split(' ')[0]
+                pipeline_dict['rates'] = " ".join(rates[pcm['capture']])
+                # use the first supported format for test
                 pipeline_dict['rate_min'], pipeline_dict['rate_max'] = self._key2str(cap, 'rate')
                 pipeline_dict['ch_min'], pipeline_dict['ch_max'] = self._key2str(cap, 'channels')
                 # for pcm with both playback and capture capabilities, we can extract two pipelines.
@@ -95,7 +98,14 @@ def loadFile(self, filename, sofcard=0):
         # format pipeline, this change for script direct access 'rate' 'channel' 'dev' 'snd'
         for pipeline in self._pipeline_lst:
             #pipeline['fmt']=pipeline['fmt'].upper().replace('LE', '_LE')
-            pipeline['rate'] = pipeline['rate_min'] if int(pipeline['rate_min']) != 0 else pipeline['rate_max']
+            # set rate in order of rate_min, rate_max. If both are 0, get first
+            # sampling rate(rates[0]) from supported rates
+            if int(pipeline['rate_min']) != 0:
+                pipeline['rate'] = pipeline['rate_min']
+            elif int(pipeline['rate_max']) != 0:
+                pipeline['rate'] = pipeline['rate_max']
+            elif rates[0] != 0:
+                pipeline['rate'] = pipeline['rates'].split(' ')[0]
             pipeline['channel'] = pipeline['ch_min']
             pipeline['dev'] = "hw:" + str(sofcard) + ',' + pipeline['id']
             # the character devices for PCM under /dev/snd take the form of

tools/tplgtool.py

@@ -607,6 +607,31 @@ def _to_fmt_string(fmt):
             fmts.append("FLOAT")
         return fmts
 
+
+    # transform number denoted pipeline format to string
+    @staticmethod
+    def _to_rate_string(rate):
+        rates = []
+        # Fred: should we check highest freqency first to make decending order?
+        # Fred: is this all the rates supported?
+        if rate & (1 << 1) != 0:
+            rates.append("8000")
+        if rate & (1 << 3) != 0:
+            rates.append("16000")
+        if rate & (1 << 4) != 0:
+            rates.append("22050")
+        if rate & (1 << 5) != 0:
+            rates.append("32000")
+        if rate & (1 << 6) != 0:
+            rates.append("44100")
+        if rate & (1 << 7) != 0:
+            rates.append("48000")
+        if rate & (1 << 8) != 0:
+            rates.append("64000")
+        if rate & (1 << 9) != 0:
+            rates.append("96000")
+        return rates
+
     # always return a list, playback stream fmt in fmt_list[0]
     # capture stream fmt in fmt_list[1], the format of absense
     # stream is UNKNOWN
@@ -618,6 +643,17 @@ def get_pcm_fmt(pcm):
             fmt_list.append(TplgFormatter._to_fmt_string(cap["formats"]))
         return fmt_list
 
+    # always return a list, pcm rates in the list in ascending order
+    @staticmethod
+    def get_pcm_rate_list(pcm):
+        #print("Fred: get_pcm_rates")
+        rate_list = []
+        caps = pcm["caps"]
+        #print(caps)
+        for cap in caps:
+            rate_list.append(TplgFormatter._to_rate_string(cap["rates"]))
+        return rate_list
+
     @staticmethod
     def get_pcm_type(item):
         if item["playback"] == 1 and item["capture"] == 1: