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-rw-r--r--src/decoder/_flac_common.h2
-rw-r--r--src/decoder/mad_decoder_plugin.c4
-rw-r--r--src/decoder/sidplay_decoder_plugin.cxx8
-rw-r--r--src/decoder_control.c33
-rw-r--r--src/decoder_control.h94
-rw-r--r--src/decoder_error.h35
-rw-r--r--src/decoder_thread.c21
7 files changed, 172 insertions, 25 deletions
diff --git a/src/decoder/_flac_common.h b/src/decoder/_flac_common.h
index 0d90ba656..c898a47cf 100644
--- a/src/decoder/_flac_common.h
+++ b/src/decoder/_flac_common.h
@@ -27,8 +27,6 @@
#include "decoder_api.h"
#include "pcm_buffer.h"
-#include <glib.h>
-
#include <FLAC/stream_decoder.h>
#include <FLAC/metadata.h>
diff --git a/src/decoder/mad_decoder_plugin.c b/src/decoder/mad_decoder_plugin.c
index a69284be5..ec54e6633 100644
--- a/src/decoder/mad_decoder_plugin.c
+++ b/src/decoder/mad_decoder_plugin.c
@@ -76,9 +76,9 @@ mad_fixed_to_24_sample(mad_fixed_t sample)
sample = sample + (1L << (MAD_F_FRACBITS - bits));
/* clip */
- if (sample > MAX)
+ if (gcc_unlikely(sample > MAX))
sample = MAX;
- else if (sample < MIN)
+ else if (gcc_unlikely(sample < MIN))
sample = MIN;
/* quantize */
diff --git a/src/decoder/sidplay_decoder_plugin.cxx b/src/decoder/sidplay_decoder_plugin.cxx
index 5d162f179..de2e599e9 100644
--- a/src/decoder/sidplay_decoder_plugin.cxx
+++ b/src/decoder/sidplay_decoder_plugin.cxx
@@ -104,7 +104,7 @@ sidplay_init(const struct config_param *param)
return true;
}
-void
+static void
sidplay_finish()
{
g_pattern_spec_free(path_with_subtune);
@@ -136,7 +136,7 @@ get_container_name(const char *path_fs)
* returns tune number from file.sid/tune_xxx.sid style path or 1 if
* no subtune is appended
*/
-static int
+static unsigned
get_song_num(const char *path_fs)
{
if(g_pattern_match(path_with_subtune,
@@ -172,7 +172,7 @@ get_song_length(const char *path_fs)
char md5sum[SIDTUNE_MD5_LENGTH+1];
tune.createMD5(md5sum);
- int song_num=get_song_num(path_fs);
+ const unsigned song_num = get_song_num(path_fs);
gsize num_items;
gchar **values=g_key_file_get_string_list(songlength_database,
@@ -330,7 +330,7 @@ sidplay_file_decode(struct decoder *decoder, const char *path_fs)
decoder_command_finished(decoder);
}
- if (song_len > 0 && player.time() >= song_len)
+ if (song_len > 0 && player.time() >= (unsigned)song_len)
break;
} while (cmd != DECODE_COMMAND_STOP);
diff --git a/src/decoder_control.c b/src/decoder_control.c
index 70f34b331..afcb16cdf 100644
--- a/src/decoder_control.c
+++ b/src/decoder_control.c
@@ -20,6 +20,7 @@
#include "config.h"
#include "decoder_control.h"
#include "pipe.h"
+#include "song.h"
#include <assert.h>
@@ -40,6 +41,8 @@ dc_new(GCond *client_cond)
dc->state = DECODE_STATE_STOP;
dc->command = DECODE_COMMAND_NONE;
+ dc->song = NULL;
+
dc->replay_gain_db = 0;
dc->replay_gain_prev_db = 0;
dc->mixramp_start = NULL;
@@ -52,6 +55,11 @@ dc_new(GCond *client_cond)
void
dc_free(struct decoder_control *dc)
{
+ dc_clear_error(dc);
+
+ if (dc->song != NULL)
+ song_free(dc->song);
+
g_cond_free(dc->cond);
g_mutex_free(dc->mutex);
g_free(dc->mixramp_start);
@@ -79,6 +87,7 @@ static void
dc_command(struct decoder_control *dc, enum decoder_command cmd)
{
decoder_lock(dc);
+ dc_clear_error(dc);
dc_command_locked(dc, cmd);
decoder_unlock(dc);
}
@@ -94,6 +103,27 @@ dc_command_async(struct decoder_control *dc, enum decoder_command cmd)
decoder_unlock(dc);
}
+bool
+decoder_is_current_song(const struct decoder_control *dc,
+ const struct song *song)
+{
+ assert(dc != NULL);
+ assert(song != NULL);
+
+ switch (dc->state) {
+ case DECODE_STATE_STOP:
+ case DECODE_STATE_ERROR:
+ return false;
+
+ case DECODE_STATE_START:
+ case DECODE_STATE_DECODE:
+ return song_equals(dc->song, song);
+ }
+
+ assert(false);
+ return false;
+}
+
void
dc_start(struct decoder_control *dc, struct song *song,
unsigned start_ms, unsigned end_ms,
@@ -104,6 +134,9 @@ dc_start(struct decoder_control *dc, struct song *song,
assert(pipe != NULL);
assert(music_pipe_empty(pipe));
+ if (dc->song != NULL)
+ song_free(dc->song);
+
dc->song = song;
dc->start_ms = start_ms;
dc->end_ms = end_ms;
diff --git a/src/decoder_control.h b/src/decoder_control.h
index 566b153ee..9ecbde73e 100644
--- a/src/decoder_control.h
+++ b/src/decoder_control.h
@@ -67,6 +67,14 @@ struct decoder_control {
enum decoder_state state;
enum decoder_command command;
+ /**
+ * The error that occurred in the decoder thread. This
+ * attribute is only valid if #state is #DECODE_STATE_ERROR.
+ * The object must be freed when this object transitions to
+ * any other state (usually #DECODE_STATE_START).
+ */
+ GError *error;
+
bool quit;
bool seek_error;
bool seekable;
@@ -82,8 +90,11 @@ struct decoder_control {
* The song currently being decoded. This attribute is set by
* the player thread, when it sends the #DECODE_COMMAND_START
* command.
+ *
+ * This is a duplicate, and must be freed when this attribute
+ * is cleared.
*/
- const struct song *song;
+ struct song *song;
/**
* The initial seek position (in milliseconds), e.g. to the
@@ -188,6 +199,50 @@ decoder_has_failed(const struct decoder_control *dc)
return dc->state == DECODE_STATE_ERROR;
}
+/**
+ * Checks whether an error has occurred, and if so, returns a newly
+ * allocated copy of the #GError object.
+ *
+ * Caller must lock the object.
+ */
+static inline GError *
+dc_get_error(const struct decoder_control *dc)
+{
+ assert(dc != NULL);
+ assert(dc->command == DECODE_COMMAND_NONE);
+ assert(dc->state != DECODE_STATE_ERROR || dc->error != NULL);
+
+ return dc->state == DECODE_STATE_ERROR
+ ? g_error_copy(dc->error)
+ : NULL;
+}
+
+/**
+ * Like dc_get_error(), but locks and unlocks the object.
+ */
+static inline GError *
+dc_lock_get_error(struct decoder_control *dc)
+{
+ decoder_lock(dc);
+ GError *error = dc_get_error(dc);
+ decoder_unlock(dc);
+ return error;
+}
+
+/**
+ * Clear the error condition and free the #GError object (if any).
+ *
+ * Caller must lock the object.
+ */
+static inline void
+dc_clear_error(struct decoder_control *dc)
+{
+ if (dc->state == DECODE_STATE_ERROR) {
+ g_error_free(dc->error);
+ dc->state = DECODE_STATE_STOP;
+ }
+}
+
static inline bool
decoder_lock_is_idle(struct decoder_control *dc)
{
@@ -224,28 +279,35 @@ decoder_lock_has_failed(struct decoder_control *dc)
return ret;
}
-static inline const struct song *
-decoder_current_song(const struct decoder_control *dc)
-{
- switch (dc->state) {
- case DECODE_STATE_STOP:
- case DECODE_STATE_ERROR:
- return NULL;
-
- case DECODE_STATE_START:
- case DECODE_STATE_DECODE:
- return dc->song;
- }
+/**
+ * Check if the specified song is currently being decoded. If the
+ * decoder is not running currently (or being started), then this
+ * function returns false in any case.
+ *
+ * Caller must lock the object.
+ */
+gcc_pure
+bool
+decoder_is_current_song(const struct decoder_control *dc,
+ const struct song *song);
- assert(false);
- return NULL;
+gcc_pure
+static inline bool
+decoder_lock_is_current_song(struct decoder_control *dc,
+ const struct song *song)
+{
+ decoder_lock(dc);
+ const bool result = decoder_is_current_song(dc, song);
+ decoder_unlock(dc);
+ return result;
}
/**
* Start the decoder.
*
* @param the decoder
- * @param song the song to be decoded
+ * @param song the song to be decoded; the given instance will be
+ * owned and freed by the decoder
* @param start_ms see #decoder_control
* @param end_ms see #decoder_control
* @param pipe the pipe which receives the decoded chunks (owned by
diff --git a/src/decoder_error.h b/src/decoder_error.h
new file mode 100644
index 000000000..a12a31937
--- /dev/null
+++ b/src/decoder_error.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_DECODER_ERROR_H
+#define MPD_DECODER_ERROR_H
+
+#include <glib.h>
+
+/**
+ * Quark for GError.domain.
+ */
+G_GNUC_CONST
+static inline GQuark
+decoder_quark(void)
+{
+ return g_quark_from_static_string("decoder");
+}
+
+#endif
diff --git a/src/decoder_thread.c b/src/decoder_thread.c
index 1440fc272..46349f53b 100644
--- a/src/decoder_thread.c
+++ b/src/decoder_thread.c
@@ -19,6 +19,7 @@
#include "config.h"
#include "decoder_thread.h"
+#include "decoder_error.h"
#include "decoder_control.h"
#include "decoder_internal.h"
#include "decoder_list.h"
@@ -428,12 +429,27 @@ decoder_run_song(struct decoder_control *dc,
decoder_lock(dc);
- dc->state = ret ? DECODE_STATE_STOP : DECODE_STATE_ERROR;
+ if (ret)
+ dc->state = DECODE_STATE_STOP;
+ else {
+ dc->state = DECODE_STATE_ERROR;
+
+ const char *error_uri = song->uri;
+ char *allocated = uri_remove_auth(error_uri);
+ if (allocated != NULL)
+ error_uri = allocated;
+
+ dc->error = g_error_new(decoder_quark(), 0,
+ "Failed to decode %s", error_uri);
+ g_free(allocated);
+ }
}
static void
decoder_run(struct decoder_control *dc)
{
+ dc_clear_error(dc);
+
const struct song *song = dc->song;
char *uri;
@@ -446,6 +462,9 @@ decoder_run(struct decoder_control *dc)
if (uri == NULL) {
dc->state = DECODE_STATE_ERROR;
+ dc->error = g_error_new(decoder_quark(), 0,
+ "Failed to map song");
+
decoder_command_finished_locked(dc);
return;
}