3 files changed, 49 insertions, 8 deletions

diff --git a/firmware/export/audio.h b/firmware/export/audio.h
index 3edbfe155d..6a98d6f4c5 100644
--- a/firmware/export/audio.h
+++ b/firmware/export/audio.h
@@ -39,16 +39,17 @@
 #define audio_play(x) sim_audio_play(x)
 #endif
 
-#define AUDIO_STATUS_PLAY 1
-#define AUDIO_STATUS_PAUSE 2
-#define AUDIO_STATUS_RECORD 4
-#define AUDIO_STATUS_PRERECORD 8
-#define AUDIO_STATUS_ERROR 16
+#define AUDIO_STATUS_PLAY       0x0001
+#define AUDIO_STATUS_PAUSE      0x0002
+#define AUDIO_STATUS_RECORD     0x0004
+#define AUDIO_STATUS_PRERECORD  0x0008
+#define AUDIO_STATUS_ERROR      0x0010
+#define AUDIO_STATUS_WARNING    0x0020
 
-#define AUDIOERR_DISK_FULL 1
+#define AUDIOERR_DISK_FULL      1
 
-#define AUDIO_GAIN_LINEIN    0
-#define AUDIO_GAIN_MIC       1
+#define AUDIO_GAIN_LINEIN       0
+#define AUDIO_GAIN_MIC          1
 
 
 struct audio_debug
diff --git a/firmware/export/enc_base.h b/firmware/export/enc_base.h
index 1be796ec8f..8d1e6fa11e 100644
--- a/firmware/export/enc_base.h
+++ b/firmware/export/enc_base.h
@@ -152,10 +152,18 @@ struct encoder_config
 #define CHUNKF_ERROR    0x80000000 /* An error has occured (passed to/
                                       from encoder). Use the sign bit to
                                       check (long)flags < 0.               */
+#define CHUNKF_ALLFLAGS 0x80000033
 
 /* Header at the beginning of every encoder chunk */
+#ifdef PCMREC_PARANOID
+#define ENC_CHUNK_MAGIC H_TO_BE32(('P' << 24) | ('T' << 16) | ('Y' << 8) | 'R')
+#endif
 struct enc_chunk_hdr
 {
+#ifdef PCMREC_PARANOID
+    unsigned long id;         /* overflow detection - 'PTYR' - acronym for
+                                 "PTYR Tells You Right" ;)                 */
+#endif
     unsigned long flags;      /* in/out: flags used by encoder and file
                                          writing                           */
     size_t        enc_size;   /* out:    amount of encoder data written to
diff --git a/firmware/export/pcm_record.h b/firmware/export/pcm_record.h
index f6dddb3424..865a37fc70 100644
--- a/firmware/export/pcm_record.h
+++ b/firmware/export/pcm_record.h
@@ -25,6 +25,37 @@
 #define DMA_REC_ERROR_SPDIF     (-2)
 #endif
 
+/** Warnings **/
+/* pcm (dma) buffer has overflowed */
+#define PCMREC_W_PCM_BUFFER_OVF         0x00000001
+/* encoder output buffer has overflowed */
+#define PCMREC_W_ENC_BUFFER_OVF         0x00000002
+#ifdef PCMREC_PARANOID
+/* dma write position alignment incorrect */
+#define PCMREC_W_DMA_WR_POS_ALIGN       0x00000004
+/* pcm read position changed at some point not under control of recording */
+#define PCMREC_W_PCM_RD_POS_TRASHED     0x00000008
+/* dma write position changed at some point not under control of recording */
+#define PCMREC_W_DMA_WR_POS_TRASHED     0x00000010
+#endif /* PCMREC_PARANOID */
+/** Errors **/
+/* failed to load encoder */
+#define PCMREC_E_LOAD_ENCODER           0x80001000
+/* error originating in encoder */
+#define PCMREC_E_ENCODER                0x80002000
+/* filename queue has desynced from stream markers */
+#define PCMREC_E_FNQ_DESYNC             0x80004000
+#ifdef PCMREC_PARANOID
+/* encoder has written past end of allotted space */
+#define PCMREC_E_CHUNK_OVF              0x80008000
+/* chunk header incorrect */
+#define PCMREC_E_BAD_CHUNK              0x80010000
+/* encoder read position changed outside of recording control */
+#define PCMREC_E_ENC_RD_INDEX_TRASHED   0x80020000
+/* encoder write position changed outside of recording control */
+#define PCMREC_E_ENC_WR_INDEX_TRASHED   0x80040000
+#endif /* PCMREC_PARANOID */
+
 /**
  * RAW pcm data recording
  * These calls are nescessary only when using the raw pcm apis directly.
@@ -54,6 +85,7 @@ void pcm_rec_error_clear(void);
 /* pcm_rec_status is deprecated for general use. audio_status merges the
    results for consistency with the hardware codec version */
 unsigned long pcm_rec_status(void);
+unsigned long pcm_rec_get_warnings(void);
 void pcm_rec_init(void);
 int  pcm_rec_current_bitrate(void);
 int  pcm_rec_encoder_afmt(void); /* AFMT_* value, AFMT_UNKNOWN if none */