format: implement more gstreamer -> pinos format

spa/include/spa/audio/format.h

@@ -48,6 +48,9 @@ SpaResult   spa_audio_raw_format_init    (SpaAudioRawFormat *format);
 SpaResult   spa_audio_raw_format_parse   (const SpaFormat *format,
                                           SpaAudioRawFormat *rawformat);
 
+SpaResult   spa_audio_raw_fill_prop_info (SpaPropInfo     *info,
+                                          SpaPropIdAudio   id,
+                                          size_t           offset);
 
 #ifdef __cplusplus
 }  /* extern "C" */

spa/include/spa/props.h

@@ -126,9 +126,6 @@ typedef struct {
  * @range_values: array of possible values
  * @tags: extra tags, NULL terminated
  * @offset: offset in structure with data
- * @mask_offset: offset in structure for the mask
- * @unset_mask: mask to clear when value is set
- * @priv: extra private data
  */
 typedef struct {
   uint32_t                  id;