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-rw-r--r--src/decoder_internal.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/decoder_internal.c b/src/decoder_internal.c
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+++ b/src/decoder_internal.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2003-2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "decoder_internal.h"
+#include "decoder_control.h"
+#include "player_control.h"
+#include "pipe.h"
+#include "input_stream.h"
+
+#include <assert.h>
+
+/**
+ * All chunks are full of decoded data; wait for the player to free
+ * one.
+ */
+static enum decoder_command
+need_chunks(struct input_stream *is, bool do_wait)
+{
+ if (dc.command == DECODE_COMMAND_STOP ||
+ dc.command == DECODE_COMMAND_SEEK)
+ return dc.command;
+
+ if ((is == NULL || input_stream_buffer(is) <= 0) && do_wait) {
+ notify_wait(&dc.notify);
+ notify_signal(&pc.notify);
+
+ return dc.command;
+ }
+
+ return DECODE_COMMAND_NONE;
+}
+
+struct music_chunk *
+decoder_get_chunk(struct decoder *decoder)
+{
+ assert(decoder != NULL);
+
+ if (decoder->chunk != NULL)
+ return decoder->chunk;
+
+ decoder->chunk = music_pipe_allocate();
+ return decoder->chunk;
+}
+
+enum decoder_command
+decoder_flush_chunk(struct decoder *decoder, struct input_stream *is)
+{
+ bool success;
+ enum decoder_command cmd;
+
+ assert(decoder != NULL);
+ assert(decoder->chunk != NULL);
+
+ while (true) {
+ success = music_pipe_push(decoder->chunk);
+ if (success) {
+ decoder->chunk = NULL;
+ return DECODE_COMMAND_NONE;
+ }
+
+ cmd = need_chunks(is, true);
+ if (cmd != DECODE_COMMAND_NONE)
+ return cmd;
+ }
+}