static GstStateChangeReturn
gst_musepackdec_change_state (GstElement * element, GstStateChange transition)
{
GstMusepackDec *musepackdec = GST_MUSEPACK_DEC (element);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_segment_init (&musepackdec->segment, GST_FORMAT_DEFAULT);
musepackdec->segment.position = 0;
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_segment_init (&musepackdec->segment, GST_FORMAT_UNDEFINED);
musepackdec->offset = 0;
musepackdec->rate = 0;
musepackdec->bps = 0;
break;
default:
break;
}
return ret;
}
static void
gst_musepackdec_dispose (GObject * obj)
{
GstMusepackDec *musepackdec = GST_MUSEPACK_DEC (obj);
g_free (musepackdec->r);
musepackdec->r = NULL;
if (musepackdec->d) {
mpc_demux_exit (musepackdec->d);
musepackdec->d = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
static void
gst_musepackdec_dispose (GObject * obj)
{
GstMusepackDec *musepackdec = GST_MUSEPACK_DEC (obj);
g_free (musepackdec->r);
musepackdec->r = NULL;
#ifdef MPC_IS_OLD_API
g_free (musepackdec->d);
musepackdec->d = NULL;
#else
if (musepackdec->d) {
mpc_demux_exit (musepackdec->d);
musepackdec->d = NULL;
}
#endif
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
static gboolean
gst_musepackdec_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstMusepackDec *dec;
gboolean res;
dec = GST_MUSEPACK_DEC (parent);
GST_DEBUG_OBJECT (dec, "handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
res = gst_musepackdec_handle_seek_event (dec, event);
break;
default:
res = gst_pad_event_default (pad, parent, event);
break;
}
return res;
}
static void
gst_musepackdec_loop (GstPad * sinkpad)
{
GstMusepackDec *musepackdec;
GstFlowReturn flow;
GstBuffer *out;
GstMapInfo info;
mpc_frame_info frame;
mpc_status err;
gint num_samples, samplerate, bitspersample;
musepackdec = GST_MUSEPACK_DEC (GST_PAD_PARENT (sinkpad));
samplerate = g_atomic_int_get (&musepackdec->rate);
if (samplerate == 0) {
if (!gst_musepack_stream_init (musepackdec))
goto pause_task;
gst_musepackdec_send_newsegment (musepackdec);
samplerate = g_atomic_int_get (&musepackdec->rate);
}
bitspersample = g_atomic_int_get (&musepackdec->bps);
out = gst_buffer_new_allocate (NULL, MPC_DECODER_BUFFER_LENGTH * 4, NULL);
gst_buffer_map (out, &info, GST_MAP_READWRITE);
frame.buffer = (MPC_SAMPLE_FORMAT *) info.data;
err = mpc_demux_decode (musepackdec->d, &frame);
gst_buffer_unmap (out, &info);
if (err != MPC_STATUS_OK) {
GST_ERROR_OBJECT (musepackdec, "Failed to decode sample");
GST_ELEMENT_ERROR (musepackdec, STREAM, DECODE, (NULL), (NULL));
goto pause_task;
} else if (frame.bits == -1) {
goto eos_and_pause;
}
num_samples = frame.samples;
gst_buffer_set_size (out, num_samples * bitspersample);
GST_BUFFER_OFFSET (out) = musepackdec->segment.position;
GST_BUFFER_PTS (out) =
gst_util_uint64_scale_int (musepackdec->segment.position,
GST_SECOND, samplerate);
GST_BUFFER_DURATION (out) =
gst_util_uint64_scale_int (num_samples, GST_SECOND, samplerate);
musepackdec->segment.position += num_samples;
GST_LOG_OBJECT (musepackdec, "Pushing buffer, timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (out)));
flow = gst_pad_push (musepackdec->srcpad, out);
if (flow != GST_FLOW_OK) {
GST_DEBUG_OBJECT (musepackdec, "Flow: %s", gst_flow_get_name (flow));
goto pause_task;
}
/* check if we're at the end of a configured segment */
if (musepackdec->segment.stop != -1 &&
musepackdec->segment.position >= musepackdec->segment.stop) {
gint64 stop_time;
GST_DEBUG_OBJECT (musepackdec, "Reached end of configured segment");
if ((musepackdec->segment.flags & GST_SEEK_FLAG_SEGMENT) == 0)
goto eos_and_pause;
GST_DEBUG_OBJECT (musepackdec, "Posting SEGMENT_DONE message");
stop_time = gst_util_uint64_scale_int (musepackdec->segment.stop,
GST_SECOND, samplerate);
gst_element_post_message (GST_ELEMENT (musepackdec),
gst_message_new_segment_done (GST_OBJECT (musepackdec),
GST_FORMAT_TIME, stop_time));
gst_pad_push_event (musepackdec->srcpad,
gst_event_new_segment_done (GST_FORMAT_TIME, stop_time));
goto pause_task;
}
return;
eos_and_pause:
{
GST_DEBUG_OBJECT (musepackdec, "sending EOS event");
gst_pad_push_event (musepackdec->srcpad, gst_event_new_eos ());
/* fall through to pause */
}
pause_task:
{
GST_DEBUG_OBJECT (musepackdec, "Pausing task");
gst_pad_pause_task (sinkpad);
return;
}
}
static gboolean
gst_musepackdec_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstMusepackDec *musepackdec = GST_MUSEPACK_DEC (parent);
GstFormat format;
gboolean res = FALSE;
gint samplerate;
samplerate = g_atomic_int_get (&musepackdec->rate);
if (samplerate == 0)
goto done;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:{
gint64 cur, cur_off;
gst_query_parse_position (query, &format, NULL);
GST_OBJECT_LOCK (musepackdec);
cur_off = musepackdec->segment.position;
GST_OBJECT_UNLOCK (musepackdec);
if (format == GST_FORMAT_TIME) {
cur = gst_util_uint64_scale_int (cur_off, GST_SECOND, samplerate);
gst_query_set_position (query, GST_FORMAT_TIME, cur);
res = TRUE;
} else if (format == GST_FORMAT_DEFAULT) {
gst_query_set_position (query, GST_FORMAT_DEFAULT, cur_off);
res = TRUE;
}
break;
}
case GST_QUERY_DURATION:{
gint64 len, len_off;
gst_query_parse_duration (query, &format, NULL);
GST_OBJECT_LOCK (musepackdec);
len_off = musepackdec->segment.duration;
GST_OBJECT_UNLOCK (musepackdec);
if (format == GST_FORMAT_TIME) {
len = gst_util_uint64_scale_int (len_off, GST_SECOND, samplerate);
gst_query_set_duration (query, GST_FORMAT_TIME, len);
res = TRUE;
} else if (format == GST_FORMAT_DEFAULT) {
gst_query_set_duration (query, GST_FORMAT_DEFAULT, len_off);
res = TRUE;
}
break;
}
case GST_QUERY_SEEKING:{
GstFormat fmt;
gint64 len, len_off;
res = TRUE;
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
GST_OBJECT_LOCK (musepackdec);
len_off = musepackdec->segment.duration;
GST_OBJECT_UNLOCK (musepackdec);
if (fmt == GST_FORMAT_TIME) {
len = gst_util_uint64_scale_int (len_off, GST_SECOND, samplerate);
gst_query_set_seeking (query, fmt, TRUE, 0, len);
} else if (fmt == GST_FORMAT_DEFAULT) {
gst_query_set_seeking (query, fmt, TRUE, 0, len_off);
} else {
gst_query_set_seeking (query, fmt, FALSE, -1, -1);
}
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
done:
return res;
}
static void
gst_musepackdec_loop (GstPad * sinkpad)
{
GstMusepackDec *musepackdec;
GstFlowReturn flow;
GstBuffer *out;
#ifdef MPC_IS_OLD_API
guint32 update_acc, update_bits;
#else
mpc_frame_info frame;
mpc_status err;
#endif
gint num_samples, samplerate, bitspersample;
musepackdec = GST_MUSEPACK_DEC (GST_PAD_PARENT (sinkpad));
samplerate = g_atomic_int_get (&musepackdec->rate);
if (samplerate == 0) {
if (!gst_musepack_stream_init (musepackdec))
goto pause_task;
gst_musepackdec_send_newsegment (musepackdec);
samplerate = g_atomic_int_get (&musepackdec->rate);
}
bitspersample = g_atomic_int_get (&musepackdec->bps);
flow = gst_pad_alloc_buffer_and_set_caps (musepackdec->srcpad, -1,
MPC_DECODER_BUFFER_LENGTH * 4, GST_PAD_CAPS (musepackdec->srcpad), &out);
if (flow != GST_FLOW_OK) {
GST_DEBUG_OBJECT (musepackdec, "Flow: %s", gst_flow_get_name (flow));
goto pause_task;
}
#ifdef MPC_IS_OLD_API
num_samples = mpc_decoder_decode (musepackdec->d,
(MPC_SAMPLE_FORMAT *) GST_BUFFER_DATA (out), &update_acc, &update_bits);
if (num_samples < 0) {
GST_ERROR_OBJECT (musepackdec, "Failed to decode sample");
GST_ELEMENT_ERROR (musepackdec, STREAM, DECODE, (NULL), (NULL));
goto pause_task;
} else if (num_samples == 0) {
goto eos_and_pause;
}
#else
frame.buffer = (MPC_SAMPLE_FORMAT *) GST_BUFFER_DATA (out);
err = mpc_demux_decode (musepackdec->d, &frame);
if (err != MPC_STATUS_OK) {
GST_ERROR_OBJECT (musepackdec, "Failed to decode sample");
GST_ELEMENT_ERROR (musepackdec, STREAM, DECODE, (NULL), (NULL));
goto pause_task;
} else if (frame.bits == -1) {
goto eos_and_pause;
}
num_samples = frame.samples;
#endif
GST_BUFFER_SIZE (out) = num_samples * bitspersample;
GST_BUFFER_OFFSET (out) = musepackdec->segment.last_stop;
GST_BUFFER_TIMESTAMP (out) =
gst_util_uint64_scale_int (musepackdec->segment.last_stop,
GST_SECOND, samplerate);
GST_BUFFER_DURATION (out) =
gst_util_uint64_scale_int (num_samples, GST_SECOND, samplerate);
musepackdec->segment.last_stop += num_samples;
GST_LOG_OBJECT (musepackdec, "Pushing buffer, timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (out)));
flow = gst_pad_push (musepackdec->srcpad, out);
if (flow != GST_FLOW_OK) {
GST_DEBUG_OBJECT (musepackdec, "Flow: %s", gst_flow_get_name (flow));
goto pause_task;
}
/* check if we're at the end of a configured segment */
if (musepackdec->segment.stop != -1 &&
musepackdec->segment.last_stop >= musepackdec->segment.stop) {
gint64 stop_time;
GST_DEBUG_OBJECT (musepackdec, "Reached end of configured segment");
if ((musepackdec->segment.flags & GST_SEEK_FLAG_SEGMENT) == 0)
goto eos_and_pause;
GST_DEBUG_OBJECT (musepackdec, "Posting SEGMENT_DONE message");
stop_time = gst_util_uint64_scale_int (musepackdec->segment.stop,
GST_SECOND, samplerate);
gst_element_post_message (GST_ELEMENT (musepackdec),
gst_message_new_segment_done (GST_OBJECT (musepackdec),
GST_FORMAT_TIME, stop_time));
goto pause_task;
}
return;
eos_and_pause:
{
GST_DEBUG_OBJECT (musepackdec, "sending EOS event");
gst_pad_push_event (musepackdec->srcpad, gst_event_new_eos ());
/* fall through to pause */
}
pause_task:
{
GST_DEBUG_OBJECT (musepackdec, "Pausing task");
gst_pad_pause_task (sinkpad);
return;
}
}
