Merge release 0.15.9 from branch 'v0.15.x'

Conflicts:
	NEWS
	configure.ac
	src/cue/cue_tag.c
	src/decoder/mpcdec_decoder_plugin.c
	src/player_thread.c

NEWS

@@ -96,6 +96,15 @@ ver 0.16 (20??/??/??)
 * added libwrap support
 
 
+ver 0.15.9 (2010/03/21)
+* decoders:
+  - mad: fix crash when seeking at end of song
+  - mpcdec: fix negative shift on fixed-point samples
+  - mpcdec: fix replay gain formula with v8
+* playlist: fix single+repeat in random mode
+* player: postpone song tags during cross-fade
+
+
 ver 0.15.8 (2010/01/17)
 * input:
   - curl: allow rewinding with Icy-Metadata

src/cue/cue_tag.c

@@ -155,22 +155,6 @@ cue_tag_track(struct Cdtext *cdtext, struct Rem *rem)
 	return tag;
 }
 
-static struct tag *
-cue_tag_merge(struct tag *a, struct tag *b)
-{
-	if (a != NULL && b != NULL) {
-		struct tag *merge_tag = tag_merge(a, b);
-		tag_free(a);
-		tag_free(b);
-		return merge_tag;
-	} else if (a != NULL)
-		return a;
-	else if (b != NULL)
-		return b;
-	else
-		return NULL;
-}
-
 struct tag *
 cue_tag(struct Cd *cd, unsigned tnum)
 {
@@ -190,7 +174,7 @@ cue_tag(struct Cd *cd, unsigned tnum)
 	track_tag = cue_tag_track(track_get_cdtext(track),
 				  track_get_rem(track));
 
-	tag = cue_tag_merge(cd_tag, track_tag);
+	tag = tag_merge_replace(cd_tag, track_tag);
 	if (tag == NULL)
 		return NULL;
 

src/decoder/mad_decoder_plugin.c

@@ -1238,10 +1238,6 @@ mp3_decode(struct decoder *decoder, struct input_stream *input_stream)
 
 	while (mp3_read(&data)) ;
 
-	if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK &&
-	    data.mute_frame == MUTEFRAME_SEEK)
-		decoder_command_finished(decoder);
-
 	mp3_data_finish(&data);
 }
 

src/decoder/mpcdec_decoder_plugin.c

@@ -25,6 +25,7 @@
 #include <mpcdec/mpcdec.h>
 #else
 #include <mpc/mpcdec.h>
+#include <math.h>
 #endif
 
 #include <glib.h>
@@ -105,7 +106,7 @@ mpc_to_mpd_sample(MPC_SAMPLE_FORMAT sample)
 	const int shift = bits - MPC_FIXED_POINT_SCALE_SHIFT;
 
 	if (shift < 0)
-		val = sample << -shift;
+		val = sample >> -shift;
 	else
 		val = sample << shift;
 #else
@@ -206,10 +207,18 @@ mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
 
 	struct replay_gain_info replay_gain_info;
 	replay_gain_info_init(&replay_gain_info);
+#ifdef MPC_IS_OLD_API
 	replay_gain_info.tuples[REPLAY_GAIN_ALBUM].gain = info.gain_album * 0.01;
 	replay_gain_info.tuples[REPLAY_GAIN_ALBUM].peak = info.peak_album / 32767.0;
 	replay_gain_info.tuples[REPLAY_GAIN_TRACK].gain = info.gain_title * 0.01;
 	replay_gain_info.tuples[REPLAY_GAIN_TRACK].peak = info.peak_title / 32767.0;
+#else
+	replay_gain_info.tuples[REPLAY_GAIN_ALBUM].gain = MPC_OLD_GAIN_REF  - (info.gain_album  / 256.);
+	replay_gain_info.tuples[REPLAY_GAIN_ALBUM].peak = pow(10, info.peak_album / 256. / 20) / 32767;
+	replay_gain_info.tuples[REPLAY_GAIN_TRACK].gain = MPC_OLD_GAIN_REF  - (info.gain_title  / 256.);
+	replay_gain_info.tuples[REPLAY_GAIN_TRACK].peak = pow(10, info.peak_title / 256. / 20) / 32767;
+#endif
+
 	decoder_replay_gain(mpd_decoder, &replay_gain_info);
 
 	decoder_initialized(mpd_decoder, &audio_format,

src/player_thread.c

@@ -92,6 +92,13 @@ struct player {
 	 */
 	unsigned cross_fade_chunks;
 
+	/**
+	 * The tag of the "next" song during cross-fade.  It is
+	 * postponed, and sent to the output thread when the new song
+	 * really begins.
+	 */
+	struct tag *cross_fade_tag;
+
 	/**
 	 * The current audio format for the audio outputs.
 	 */
@@ -649,6 +656,14 @@ play_next_chunk(struct player *player)
 			chunk = music_pipe_shift(player->pipe);
 			assert(chunk != NULL);
 
+			/* don't send the tags of the new song (which
+			   is being faded in) yet; postpone it until
+			   the current song is faded out */
+			player->cross_fade_tag =
+				tag_merge_replace(player->cross_fade_tag,
+						  other_chunk->tag);
+			other_chunk->tag = NULL;
+
 			if (isnan(pc.mixramp_delay_seconds)) {
 				mix_ratio = ((float)cross_fade_position)
 					     / player->cross_fade_chunks;
@@ -687,6 +702,14 @@ play_next_chunk(struct player *player)
 
 	assert(chunk != NULL);
 
+	/* insert the postponed tag if cross-fading is finished */
+
+	if (player->xfade != XFADE_ENABLED && player->cross_fade_tag != NULL) {
+		chunk->tag = tag_merge_replace(chunk->tag,
+					       player->cross_fade_tag);
+		player->cross_fade_tag = NULL;
+	}
+
 	/* play the current chunk */
 
 	success = play_chunk(player->song, chunk, &player->play_audio_format);
@@ -769,6 +792,7 @@ static void do_play(struct decoder_control *dc)
 		.xfade = XFADE_UNKNOWN,
 		.cross_fading = false,
 		.cross_fade_chunks = 0,
+		.cross_fade_tag = NULL,
 		.elapsed_time = 0.0,
 	};
 
@@ -939,6 +963,9 @@ static void do_play(struct decoder_control *dc)
 	music_pipe_clear(player.pipe, player_buffer);
 	music_pipe_free(player.pipe);
 
+	if (player.cross_fade_tag != NULL)
+		tag_free(player.cross_fade_tag);
+
 	player_lock();
 
 	if (player.queued) {

src/playlist.c

@@ -139,7 +139,8 @@ playlist_update_queued_song(struct playlist *playlist, const struct song *prev)
 		? queue_next_order(&playlist->queue, playlist->current)
 		: 0;
 
-	if (next_order == 0 && playlist->queue.random) {
+	if (next_order == 0 && playlist->queue.random &&
+	    !playlist->queue.single) {
 		/* shuffle the song order again, so we get a different
 		   order each time the playlist is played
 		   completely */

src/tag.c

@@ -282,6 +282,22 @@ tag_merge(const struct tag *base, const struct tag *add)
 	return ret;
 }
 
+struct tag *
+tag_merge_replace(struct tag *base, struct tag *add)
+{
+	if (add == NULL)
+		return base;
+
+	if (base == NULL)
+		return add;
+
+	struct tag *tag = tag_merge(base, add);
+	tag_free(base);
+	tag_free(add);
+
+	return tag;
+}
+
 const char *
 tag_get_value(const struct tag *tag, enum tag_type type)
 {

src/tag.h

@@ -183,6 +183,15 @@ struct tag *tag_dup(const struct tag *tag);
 struct tag *
 tag_merge(const struct tag *base, const struct tag *add);
 
+/**
+ * Merges the data from two tags.  Any of the two may be NULL.  Both
+ * are freed by this function.
+ *
+ * @return a newly allocated tag, which must be freed with tag_free()
+ */
+struct tag *
+tag_merge_replace(struct tag *base, struct tag *add);
+
 /**
  * Returns true if the tag contains no items.  This ignores the "time"
  * attribute.