Merge tag 'v0.18.14'

src/decoder/DecoderAPI.cxx

@@ -48,6 +48,7 @@ decoder_initialized(Decoder &decoder,
 
 	assert(dc.state == DecoderState::START);
 	assert(dc.pipe != nullptr);
+	assert(dc.pipe->IsEmpty());
 	assert(decoder.convert == nullptr);
 	assert(decoder.stream_tag == nullptr);
 	assert(decoder.decoder_tag == nullptr);
@@ -461,6 +462,9 @@ decoder_data(Decoder &decoder,
 	    length == 0)
 		return cmd;
 
+	assert(!decoder.initial_seek_pending);
+	assert(!decoder.initial_seek_running);
+
 	/* send stream tags */
 
 	if (update_stream_tag(decoder, is)) {

src/decoder/DecoderInternal.cxx

@@ -85,6 +85,9 @@ Decoder::GetChunk()
 void
 Decoder::FlushChunk()
 {
+	assert(!seeking);
+	assert(!initial_seek_running);
+	assert(!initial_seek_pending);
 	assert(chunk != nullptr);
 
 	if (chunk->IsEmpty())

src/decoder/DecoderThread.cxx

@@ -25,6 +25,7 @@
 #include "DecoderPlugin.hxx"
 #include "DetachedSong.hxx"
 #include "system/FatalError.hxx"
+#include "MusicPipe.hxx"
 #include "fs/Traits.hxx"
 #include "fs/AllocatedPath.hxx"
 #include "DecoderAPI.hxx"
@@ -449,9 +450,18 @@ decoder_task(void *arg)
 			dc.replay_gain_prev_db = dc.replay_gain_db;
 			dc.replay_gain_db = 0;
 
-			/* fall through */
+			decoder_run(dc);
+			break;
 
 		case DecoderCommand::SEEK:
+			/* this seek was too late, and the decoder had
+			   already finished; start a new decoder */
+
+			/* we need to clear the pipe here; usually the
+			   PlayerThread is responsible, but it is not
+			   aware that the decoder has finished */
+			dc.pipe->Clear(*dc.buffer);
+
 			decoder_run(dc);
 			break;
 

src/decoder/plugins/FfmpegDecoderPlugin.cxx

@@ -412,10 +412,23 @@ ffmpeg_probe(Decoder *decoder, InputStream &is)
 	nbytes -= PADDING;
 
 	AVProbeData avpd;
+
+	/* new versions of ffmpeg may add new attributes, and leaving
+	   them uninitialized may crash; hopefully, zero-initializing
+	   everything we don't know is ok */
+	memset(&avpd, 0, sizeof(avpd));
+
 	avpd.buf = buffer;
 	avpd.buf_size = nbytes;
 	avpd.filename = is.GetURI();
 
+#ifdef AVPROBE_SCORE_MIME
+	/* this attribute was added in libav/ffmpeg version 11, but
+	   unfortunately it's "uint8_t" instead of "char", and it's
+	   not "const" - wtf? */
+	avpd.mime_type = (uint8_t *)const_cast<char *>(is.GetMimeType());
+#endif
+
 	return av_probe_input_format(&avpd, true);
 }
 

src/protocol/ArgParser.cxx

@@ -82,7 +82,7 @@ check_range(Client &client, unsigned *value_r1, unsigned *value_r2,
 		/* compatibility with older MPD versions: specifying
 		   "-1" makes MPD display the whole list */
 		*value_r1 = 0;
-		*value_r2 = std::numeric_limits<unsigned>::max();
+		*value_r2 = std::numeric_limits<int>::max();
 		return true;
 	}
 
@@ -109,7 +109,7 @@ check_range(Client &client, unsigned *value_r1, unsigned *value_r2,
 		}
 
 		if (test == test2)
-			value = std::numeric_limits<unsigned>::max();
+			value = std::numeric_limits<int>::max();
 
 		if (value < 0) {
 			command_error(client, ACK_ERROR_ARG,