input/CdioParanoia: add options "mode" and "skip"

Closes https://github.com/MusicPlayerDaemon/MPD/issues/1529

NEWS

@@ -1,4 +1,6 @@
 ver 0.23.9 (not yet released)
+* input
+  - cdio_paranoia: add options "mode" and "skip"
 * decoder
   - ffmpeg: support FFmpeg 5.1
 * output

doc/plugins.rst

@@ -206,6 +206,11 @@ Plays audio CDs using libcdio. The URI has the form: "cdda://[DEVICE][/TRACK]".
      - If the CD drive does not specify a byte order, MPD assumes it is the CPU's native byte order. This setting allows overriding this.
    * - **speed N**
      - Request CDParanoia cap the extraction speed to Nx normal CD audio rotation speed, keeping the drive quiet.
+   * - **mode disable|overlap|full**
+     - Set the paranoia mode; ``disable`` means no fixups, ``overlap``
+       performs overlapped reads, and ``full`` enables all options.
+   * - **skip yes|no**
+     - If set to ``no``, then never skip failed reads.
 
 curl
 ----

src/input/plugins/CdioParanoiaInputPlugin.cxx

@@ -50,6 +50,9 @@ static constexpr Domain cdio_domain("cdio");
 static bool default_reverse_endian;
 static unsigned speed = 0;
 
+/* Default to full paranoia, but allow skipping sectors. */
+static int mode_flags = PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP;
+
 class CdioParanoiaInputStream final : public InputStream {
 	cdrom_drive_t *const drv;
 	CdIo_t *const cdio;
@@ -70,9 +73,7 @@ class CdioParanoiaInputStream final : public InputStream {
 		 lsn_from(_lsn_from),
 		 buffer_lsn(-1)
 	{
-		/* Set reading mode for full paranoia, but allow
+		para.SetMode(mode_flags);
-		   skipping sectors. */
-		para.SetMode(PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);
 
 		/* seek to beginning of the track */
 		para.Seek(lsn_from);
@@ -117,6 +118,26 @@ input_cdio_init(EventLoop &, const ConfigBlock &block)
 						 value);
 	}
 	speed = block.GetBlockValue("speed",0U);
+
+	if (const auto *param = block.GetBlockParam("mode")) {
+		param->With([](const char *s){
+			if (StringIsEqual(s, "disable"))
+				mode_flags = PARANOIA_MODE_DISABLE;
+			else if (StringIsEqual(s, "overlap"))
+				mode_flags = PARANOIA_MODE_OVERLAP;
+			else if (StringIsEqual(s, "full"))
+				mode_flags = PARANOIA_MODE_FULL;
+			else
+				throw std::invalid_argument{"Invalid paranoia mode"};
+		});
+	}
+
+	if (const auto *param = block.GetBlockParam("skip")) {
+		if (param->GetBoolValue())
+			mode_flags &= ~PARANOIA_MODE_NEVERSKIP;
+		else
+			mode_flags |= PARANOIA_MODE_NEVERSKIP;
+	}
 }
 
 struct CdioUri {