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-rw-r--r--src/decoder_api.c63
1 files changed, 57 insertions, 6 deletions
diff --git a/src/decoder_api.c b/src/decoder_api.c
index 1f2075638..a34e19b1a 100644
--- a/src/decoder_api.c
+++ b/src/decoder_api.c
@@ -76,15 +76,40 @@ decoder_initialized(struct decoder *decoder,
&af_string));
}
-enum decoder_command decoder_get_command(G_GNUC_UNUSED struct decoder * decoder)
+/**
+ * Returns the current decoder command. May return a "virtual"
+ * synthesized command, e.g. to seek to the beginning of the CUE
+ * track.
+ */
+G_GNUC_PURE
+static enum decoder_command
+decoder_get_virtual_command(struct decoder *decoder)
{
const struct decoder_control *dc = decoder->dc;
-
assert(dc->pipe != NULL);
+ if (decoder->initial_seek_running)
+ return DECODE_COMMAND_SEEK;
+
+ if (decoder->initial_seek_pending) {
+ if (dc->command == DECODE_COMMAND_NONE) {
+ decoder->initial_seek_pending = false;
+ decoder->initial_seek_running = true;
+ return DECODE_COMMAND_SEEK;
+ }
+
+ decoder->initial_seek_pending = false;
+ }
+
return dc->command;
}
+enum decoder_command
+decoder_get_command(struct decoder *decoder)
+{
+ return decoder_get_virtual_command(decoder);
+}
+
void
decoder_command_finished(struct decoder *decoder)
{
@@ -92,11 +117,24 @@ decoder_command_finished(struct decoder *decoder)
decoder_lock(dc);
- assert(dc->command != DECODE_COMMAND_NONE);
+ assert(dc->command != DECODE_COMMAND_NONE ||
+ decoder->initial_seek_running);
assert(dc->command != DECODE_COMMAND_SEEK ||
+ decoder->initial_seek_running ||
dc->seek_error || decoder->seeking);
assert(dc->pipe != NULL);
+ if (decoder->initial_seek_running) {
+ assert(!decoder->seeking);
+ assert(decoder->chunk == NULL);
+ assert(music_pipe_empty(dc->pipe));
+
+ decoder->initial_seek_running = false;
+ decoder->timestamp = dc->song->start_ms / 1000.;
+ decoder_unlock(dc);
+ return;
+ }
+
if (decoder->seeking) {
decoder->seeking = false;
@@ -121,9 +159,13 @@ double decoder_seek_where(G_GNUC_UNUSED struct decoder * decoder)
{
const struct decoder_control *dc = decoder->dc;
- assert(dc->command == DECODE_COMMAND_SEEK);
assert(dc->pipe != NULL);
+ if (decoder->initial_seek_running)
+ return dc->song->start_ms / 1000.;
+
+ assert(dc->command == DECODE_COMMAND_SEEK);
+
decoder->seeking = true;
return dc->seek_where;
@@ -133,9 +175,15 @@ void decoder_seek_error(struct decoder * decoder)
{
struct decoder_control *dc = decoder->dc;
- assert(dc->command == DECODE_COMMAND_SEEK);
assert(dc->pipe != NULL);
+ if (decoder->initial_seek_running)
+ /* d'oh, we can't seek to the sub-song start position,
+ what now? - no idea, ignoring the problem for now. */
+ return;
+
+ assert(dc->command == DECODE_COMMAND_SEEK);
+
dc->seek_error = true;
decoder->seeking = false;
@@ -289,7 +337,7 @@ decoder_data(struct decoder *decoder,
assert(length % audio_format_frame_size(&dc->in_audio_format) == 0);
decoder_lock(dc);
- cmd = dc->command;
+ cmd = decoder_get_virtual_command(decoder);
decoder_unlock(dc);
if (cmd == DECODE_COMMAND_STOP || cmd == DECODE_COMMAND_SEEK ||
@@ -420,6 +468,9 @@ decoder_tag(G_GNUC_UNUSED struct decoder *decoder, struct input_stream *is,
/* send only the decoder tag */
cmd = do_send_tag(decoder, tag);
+ if (cmd == DECODE_COMMAND_NONE)
+ cmd = decoder_get_virtual_command(decoder);
+
return cmd;
}