Merge branch 'v0.19.x'

NEWS

@@ -54,6 +54,11 @@ ver 0.20 (not yet released)
 * update
   - apply .mpdignore matches to subdirectories
 
+ver 0.19.20 (not yet released)
+* decoder
+  - ffmpeg: ignore empty packets
+  - sidplay: fix playback speed with libsidplayfp
+
 ver 0.19.19 (2016/08/23)
 * decoder
   - ffmpeg: bug fix for FFmpeg 3.1 support

doc/mpdconf.example

@@ -165,7 +165,7 @@
 # Permissions #################################################################
 #
 # If this setting is set, MPD will require password authorization. The password
-# can setting can be specified multiple times for different password profiles.
+# setting can be specified multiple times for different password profiles.
 #
 #password                        "password@read,add,control,admin"
 #

src/decoder/plugins/FfmpegDecoderPlugin.cxx

@@ -757,7 +757,7 @@ FfmpegDecode(Decoder &decoder, InputStream &input,
 		FfmpegCheckTag(decoder, input, format_context, audio_stream);
 #endif
 
-		if (packet.stream_index == audio_stream) {
+		if (packet.size > 0 && packet.stream_index == audio_stream) {
 			cmd = ffmpeg_send_packet(decoder, input,
 						 packet,
 						 *codec_context,

src/decoder/plugins/SidplayDecoderPlugin.cxx

@@ -357,12 +357,19 @@ sidplay_file_decode(Decoder &decoder, Path path_fs)
 	DecoderCommand cmd;
 	do {
 		short buffer[4096];
-		size_t nbytes;
 
-		nbytes = player.play(buffer, ARRAY_SIZE(buffer));
-		if (nbytes == 0)
+		const auto result = player.play(buffer, ARRAY_SIZE(buffer));
+		if (result <= 0)
 			break;
 
+#ifdef HAVE_SIDPLAYFP
+		/* libsidplayfp returns the number of samples */
+		const size_t nbytes = result * sizeof(buffer[0]);
+#else
+		/* libsidplay2 returns the number of bytes */
+		const size_t nbytes = result;
+#endif
+
 		decoder_timestamp(decoder, (double)player.time() / timebase);
 
 		cmd = decoder_data(decoder, nullptr, buffer, nbytes, 0);
@@ -379,12 +386,9 @@ sidplay_file_decode(Decoder &decoder, Path path_fs)
 			}
 
 			/* ignore data until target time is reached */
-			while(data_time<target_time) {
-				nbytes=player.play(buffer, ARRAY_SIZE(buffer));
-				if(nbytes==0)
-					break;
+			while (data_time < target_time &&
+			       player.play(buffer, ARRAY_SIZE(buffer)) > 0)
 				data_time = player.time();
-			}
 
 			decoder_command_finished(decoder);
 		}

src/storage/CompositeStorage.cxx

@@ -266,22 +266,13 @@ CompositeStorage::FindStorage(const char *uri) const
 	return result;
 }
 
-CompositeStorage::FindResult
-CompositeStorage::FindStorage(const char *uri, Error &error) const
-{
-	auto result = FindStorage(uri);
-	if (result.directory == nullptr)
-		error.Set(composite_domain, "No such directory");
-	return result;
-}
-
 bool
 CompositeStorage::GetInfo(const char *uri, bool follow, StorageFileInfo &info,
 			  Error &error)
 {
 	const ScopeLock protect(mutex);
 
-	auto f = FindStorage(uri, error);
+	auto f = FindStorage(uri);
 	if (f.directory->storage != nullptr &&
 	    f.directory->storage->GetInfo(f.uri, follow, info, error))
 		return true;
@@ -296,6 +287,7 @@ CompositeStorage::GetInfo(const char *uri, bool follow, StorageFileInfo &info,
 		return true;
 	}
 
+	error.Set(composite_domain, "No such directory");
 	return false;
 }
 
@@ -305,13 +297,15 @@ CompositeStorage::OpenDirectory(const char *uri,
 {
 	const ScopeLock protect(mutex);
 
-	auto f = FindStorage(uri, error);
+	auto f = FindStorage(uri);
 	const Directory *directory = f.directory->Find(f.uri);
 	if (directory == nullptr || directory->children.empty()) {
 		/* no virtual directories here */
 
-		if (f.directory->storage == nullptr)
+		if (f.directory->storage == nullptr) {
+			error.Set(composite_domain, "No such directory");
 			return nullptr;
+		}
 
 		return f.directory->storage->OpenDirectory(f.uri, error);
 	}

src/storage/CompositeStorage.hxx

@@ -44,7 +44,7 @@ class CompositeStorage final : public Storage {
 	 */
 	struct Directory {
 		/**
-		 * The #Storage mounted n this virtual directory.  All
+		 * The #Storage mounted in this virtual directory.  All
 		 * "leaf" Directory instances must have a #Storage.
 		 * Other Directory instances may have one, and child
 		 * mounts will be "mixed" in.
@@ -154,9 +154,16 @@ private:
 		}
 	}
 
+	/**
+	 * Follow the given URI path, and find the outermost directory
+	 * which is a #Storage mount point.  If there are no mounts,
+	 * it returns the root directory (with a nullptr "storage"
+	 * attribute, of course).  FindResult::uri contains the
+	 * remaining unused part of the URI (may be empty if all of
+	 * the URI was used).
+	 */
 	gcc_pure
 	FindResult FindStorage(const char *uri) const;
-	FindResult FindStorage(const char *uri, Error &error) const;
 
 	const char *MapToRelativeUTF8(const Directory &directory,
 				      const char *uri) const;

src/tag/TagItem.hxx

@@ -34,13 +34,14 @@ struct TagItem {
 	/**
 	 * the value of this tag; this is a variable length string
 	 */
-	char value[sizeof(long) - sizeof(type)];
+	char value[1];
 
 	TagItem() = default;
 	TagItem(const TagItem &other) = delete;
 	TagItem &operator=(const TagItem &other) = delete;
 };
 
+static_assert(sizeof(TagItem) == 2, "Unexpected size");
 static_assert(alignof(TagItem) == 1, "Unexpected alignment");
 
 #endif