static gboolean
gst_raw_parse_sink_activate (GstPad * sinkpad)
{
if (gst_pad_check_pull_range (sinkpad)) {
GST_RAW_PARSE (GST_PAD_PARENT (sinkpad))->mode = GST_ACTIVATE_PULL;
return gst_pad_activate_pull (sinkpad, TRUE);
} else {
GST_RAW_PARSE (GST_PAD_PARENT (sinkpad))->mode = GST_ACTIVATE_PUSH;
return gst_pad_activate_push (sinkpad, TRUE);
}
}
static GstStateChangeReturn
gst_raw_parse_change_state (GstElement * element, GstStateChange transition)
{
GstRawParse *rp = GST_RAW_PARSE (element);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_segment_init (&rp->segment, GST_FORMAT_TIME);
rp->segment.position = 0;
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_raw_parse_reset (rp);
break;
default:
break;
}
return ret;
}
static gboolean
gst_raw_parse_sink_activatepull (GstPad * sinkpad, gboolean active)
{
GstRawParse *rp = GST_RAW_PARSE (gst_pad_get_parent (sinkpad));
gboolean result;
if (active) {
GstFormat format;
gint64 duration;
/* get the duration in bytes */
format = GST_FORMAT_BYTES;
result = gst_pad_query_peer_duration (sinkpad, &format, &duration);
if (result) {
GST_DEBUG_OBJECT (rp, "got duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (duration));
rp->upstream_length = duration;
/* convert to time */
gst_raw_parse_convert (rp, format, duration, GST_FORMAT_TIME, &duration);
} else {
rp->upstream_length = -1;
duration = -1;
}
gst_segment_set_duration (&rp->segment, GST_FORMAT_TIME, duration);
result = gst_raw_parse_handle_seek_pull (rp, NULL);
} else {
result = gst_pad_stop_task (sinkpad);
}
gst_object_unref (rp);
return result;
}
void
gst_audio_parse_update_frame_size (GstAudioParse * ap)
{
gint framesize, width;
switch (ap->format) {
case GST_AUDIO_PARSE_FORMAT_ALAW:
case GST_AUDIO_PARSE_FORMAT_MULAW:
width = 8;
break;
case GST_AUDIO_PARSE_FORMAT_RAW:
default:
{
GstAudioInfo info;
gst_audio_info_init (&info);
/* rate, etc do not really matter here */
gst_audio_info_set_format (&info, ap->raw_format, 44100, ap->channels,
NULL);
width = GST_AUDIO_INFO_WIDTH (&info);
break;
}
}
framesize = (width / 8) * ap->channels;
gst_raw_parse_set_framesize (GST_RAW_PARSE (ap), framesize);
}
static gboolean
gst_raw_parse_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstRawParse *rp = GST_RAW_PARSE (parent);
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
case GST_EVENT_FLUSH_STOP:
/* Only happens in push mode */
gst_raw_parse_reset (rp);
ret = gst_pad_push_event (rp->srcpad, event);
break;
case GST_EVENT_SEGMENT:
{
GstSegment segment;
/* Only happens in push mode */
gst_event_copy_segment (event, &segment);
if (segment.format != GST_FORMAT_TIME) {
gst_event_unref (event);
ret =
gst_raw_parse_convert (rp, segment.format, segment.start,
GST_FORMAT_TIME, (gint64 *) & segment.start);
ret &= gst_raw_parse_convert (rp, segment.format, segment.time,
GST_FORMAT_TIME, (gint64 *) & segment.time);
ret &= gst_raw_parse_convert (rp, segment.format, segment.stop,
GST_FORMAT_TIME, (gint64 *) & segment.stop);
if (!ret) {
GST_ERROR_OBJECT (rp,
"Failed converting to GST_FORMAT_TIME format (%d)",
segment.format);
break;
}
segment.format = GST_FORMAT_TIME;
event = gst_event_new_segment (&segment);
}
gst_segment_copy_into (&segment, &rp->segment);
if (rp->start_segment)
gst_event_unref (rp->start_segment);
rp->start_segment = event;
ret = TRUE;
break;
}
default:
ret = gst_pad_event_default (pad, parent, event);
break;
}
return ret;
}
static void
gst_audio_parse_init (GstAudioParse * ap)
{
ap->format = GST_AUDIO_PARSE_FORMAT_RAW;
ap->raw_format = GST_AUDIO_FORMAT_S16;
ap->channels = 2;
ap->interleaved = TRUE;
gst_audio_parse_update_frame_size (ap);
gst_raw_parse_set_fps (GST_RAW_PARSE (ap), 44100, 1);
}
static void
gst_raw_parse_dispose (GObject * object)
{
GstRawParse *rp = GST_RAW_PARSE (object);
if (rp->adapter) {
g_object_unref (rp->adapter);
rp->adapter = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
void
gst_video_parse_update_frame_size (GstVideoParse * vp)
{
gint framesize;
GstVideoInfo info;
gst_video_info_init (&info);
gst_video_info_set_format (&info, vp->format, vp->width, vp->height);
framesize = GST_VIDEO_INFO_SIZE (&info);
gst_raw_parse_set_framesize (GST_RAW_PARSE (vp), framesize);
}
static void
gst_video_parse_init (GstVideoParse * vp)
{
vp->width = 320;
vp->height = 240;
vp->format = GST_VIDEO_FORMAT_I420;
vp->par_n = 1;
vp->par_d = 1;
gst_video_parse_update_frame_size (vp);
gst_raw_parse_set_fps (GST_RAW_PARSE (vp), 25, 1);
}
static void
gst_audio_parse_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstAudioParse *ap = GST_AUDIO_PARSE (object);
g_return_if_fail (!gst_raw_parse_is_negotiated (GST_RAW_PARSE (ap)));
switch (prop_id) {
case PROP_FORMAT:
ap->format = g_value_get_enum (value);
break;
case PROP_RAW_FORMAT:
ap->raw_format = g_value_get_enum (value);
break;
case PROP_RATE:
gst_raw_parse_set_fps (GST_RAW_PARSE (ap), g_value_get_int (value), 1);
break;
case PROP_CHANNELS:
ap->channels = g_value_get_int (value);
break;
case PROP_INTERLEAVED:
ap->interleaved = g_value_get_boolean (value);
break;
case PROP_CHANNEL_POSITIONS:
if (ap->channel_positions)
g_value_array_free (ap->channel_positions);
ap->channel_positions = g_value_dup_boxed (value);
break;
case PROP_USE_SINK_CAPS:
ap->use_sink_caps = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
gst_audio_parse_update_frame_size (ap);
}
static void
gst_video_parse_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVideoParse *vp = GST_VIDEO_PARSE (object);
g_return_if_fail (!gst_raw_parse_is_negotiated (GST_RAW_PARSE (vp)));
switch (prop_id) {
case PROP_FORMAT:
vp->format = g_value_get_enum (value);
break;
case PROP_WIDTH:
vp->width = g_value_get_int (value);
break;
case PROP_HEIGHT:
vp->height = g_value_get_int (value);
break;
case PROP_FRAMERATE:
gst_raw_parse_set_fps (GST_RAW_PARSE (vp),
gst_value_get_fraction_numerator (value),
gst_value_get_fraction_denominator (value));
break;
case PROP_PAR:
vp->par_n = gst_value_get_fraction_numerator (value);
vp->par_d = gst_value_get_fraction_denominator (value);
break;
case PROP_INTERLACED:
vp->interlaced = g_value_get_boolean (value);
break;
case PROP_TOP_FIELD_FIRST:
vp->top_field_first = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
gst_video_parse_update_frame_size (vp);
}
static GstFlowReturn
gst_raw_parse_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstRawParse *rp = GST_RAW_PARSE (parent);
GstFlowReturn ret = GST_FLOW_OK;
GstRawParseClass *rp_class = GST_RAW_PARSE_GET_CLASS (rp);
guint buffersize, available;
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))) {
GST_DEBUG_OBJECT (rp, "received DISCONT buffer");
gst_adapter_clear (rp->adapter);
rp->discont = TRUE;
}
if (!gst_raw_parse_set_src_caps (rp))
goto no_caps;
if (rp->start_segment) {
GST_DEBUG_OBJECT (rp, "sending start segment");
gst_pad_push_event (rp->srcpad, rp->start_segment);
rp->start_segment = NULL;
}
gst_adapter_push (rp->adapter, buffer);
available = gst_adapter_available (rp->adapter);
if (rp_class->multiple_frames_per_buffer) {
buffersize = available;
buffersize -= buffersize % rp->framesize;
} else {
buffersize = rp->framesize;
}
while (buffersize > 0 && gst_adapter_available (rp->adapter) >= buffersize) {
buffer = gst_adapter_take_buffer (rp->adapter, buffersize);
ret = gst_raw_parse_push_buffer (rp, buffer);
if (ret != GST_FLOW_OK)
break;
}
done:
return ret;
/* ERRORS */
no_caps:
{
GST_ERROR_OBJECT (rp, "could not set caps");
ret = GST_FLOW_NOT_NEGOTIATED;
goto done;
}
}
static gboolean
gst_raw_parse_sink_activatemode (GstPad * sinkpad, GstObject * parent,
GstPadMode mode, gboolean active)
{
GstRawParse *rp = GST_RAW_PARSE (parent);
gboolean result;
switch (mode) {
case GST_PAD_MODE_PULL:
if (active) {
GstFormat format;
gint64 duration;
/* get the duration in bytes */
format = GST_FORMAT_BYTES;
result = gst_pad_peer_query_duration (sinkpad, format, &duration);
if (result) {
GST_DEBUG_OBJECT (rp, "got duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (duration));
rp->upstream_length = duration;
/* convert to time */
gst_raw_parse_convert (rp, format, duration, GST_FORMAT_TIME,
&duration);
} else {
rp->upstream_length = -1;
duration = -1;
}
rp->segment.duration = duration;
rp->push_stream_start = TRUE;
result = gst_raw_parse_handle_seek_pull (rp, NULL);
rp->mode = mode;
} else {
result = gst_pad_stop_task (sinkpad);
}
return result;
case GST_PAD_MODE_PUSH:
rp->mode = mode;
return TRUE;
default:
return FALSE;
}
}
static gboolean
gst_raw_parse_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstRawParse *rp = GST_RAW_PARSE (parent);
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
if (rp->mode == GST_PAD_MODE_PUSH)
ret = gst_raw_parse_handle_seek_push (rp, event);
else
ret = gst_raw_parse_handle_seek_pull (rp, event);
break;
default:
ret = gst_pad_event_default (rp->srcpad, parent, event);
break;
}
return ret;
}
static gboolean
gst_raw_parse_src_event (GstPad * pad, GstEvent * event)
{
GstRawParse *rp = GST_RAW_PARSE (gst_pad_get_parent (pad));
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
if (rp->mode == GST_ACTIVATE_PUSH)
ret = gst_raw_parse_handle_seek_push (rp, event);
else
ret = gst_raw_parse_handle_seek_pull (rp, event);
break;
default:
ret = gst_pad_event_default (rp->srcpad, event);
break;
}
gst_object_unref (rp);
return ret;
}
static void
gst_video_parse_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstVideoParse *vp = GST_VIDEO_PARSE (object);
switch (prop_id) {
case PROP_FORMAT:
g_value_set_enum (value, vp->format);
break;
case PROP_WIDTH:
g_value_set_int (value, vp->width);
break;
case PROP_HEIGHT:
g_value_set_int (value, vp->height);
break;
case PROP_FRAMERATE:{
gint fps_n, fps_d;
gst_raw_parse_get_fps (GST_RAW_PARSE (vp), &fps_n, &fps_d);
gst_value_set_fraction (value, fps_n, fps_d);
break;
}
case PROP_PAR:
gst_value_set_fraction (value, vp->par_n, vp->par_d);
break;
case PROP_INTERLACED:
g_value_set_boolean (value, vp->interlaced);
break;
case PROP_TOP_FIELD_FIRST:
g_value_set_boolean (value, vp->top_field_first);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_audio_parse_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstAudioParse *ap = GST_AUDIO_PARSE (object);
switch (prop_id) {
case PROP_FORMAT:
g_value_set_enum (value, ap->format);
break;
case PROP_RAW_FORMAT:
g_value_set_enum (value, ap->raw_format);
break;
case PROP_RATE:{
gint fps_n, fps_d;
gst_raw_parse_get_fps (GST_RAW_PARSE (ap), &fps_n, &fps_d);
g_value_set_int (value, fps_n);
break;
}
case PROP_CHANNELS:
g_value_set_int (value, ap->channels);
break;
case PROP_INTERLEAVED:
g_value_set_boolean (value, ap->interleaved);
break;
case PROP_CHANNEL_POSITIONS:
g_value_set_boxed (value, ap->channel_positions);
break;
case PROP_USE_SINK_CAPS:
g_value_set_boolean (value, ap->use_sink_caps);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstCaps *
gst_audio_parse_get_caps (GstRawParse * rp)
{
GstAudioParse *ap = GST_AUDIO_PARSE (rp);
GstCaps *caps, *ncaps;
GstAudioInfo info;
gint fps_n, fps_d;
const GValue *val;
if (ap->use_sink_caps) {
gint rate;
GstCaps *caps = gst_pad_get_current_caps (rp->sinkpad);
gst_audio_info_from_caps (&info, caps);
rate = GST_AUDIO_INFO_RATE (&info);
gst_raw_parse_set_fps (GST_RAW_PARSE (ap), rate, 1);
return caps;
}
gst_raw_parse_get_fps (rp, &fps_n, &fps_d);
gst_audio_parse_setup_channel_positions (ap);
/* yes, even when format not raw */
gst_audio_info_init (&info);
gst_audio_info_set_format (&info, ap->raw_format, fps_n, ap->channels,
ap->channel_order);
info.layout = ap->interleaved ? GST_AUDIO_LAYOUT_INTERLEAVED :
GST_AUDIO_LAYOUT_NON_INTERLEAVED;
caps = gst_audio_info_to_caps (&info);
switch (ap->format) {
case GST_AUDIO_PARSE_FORMAT_RAW:
break;
case GST_AUDIO_PARSE_FORMAT_ALAW:
ncaps = gst_caps_new_simple ("audio/x-alaw",
"rate", G_TYPE_INT, fps_n,
"channels", G_TYPE_INT, ap->channels, NULL);
/* pick mask stuff from faked raw format */
val = gst_structure_get_value (gst_caps_get_structure (caps, 0),
"channel-mask");
if (val)
gst_caps_set_value (ncaps, "channel-mask", val);
gst_caps_unref (caps);
caps = ncaps;
break;
case GST_AUDIO_PARSE_FORMAT_MULAW:
ncaps = gst_caps_new_simple ("audio/x-mulaw",
"rate", G_TYPE_INT, fps_n,
"channels", G_TYPE_INT, ap->channels, NULL);
/* pick mask stuff from faked raw format */
val = gst_structure_get_value (gst_caps_get_structure (caps, 0),
"channel-mask");
if (val)
gst_caps_set_value (ncaps, "channel-mask", val);
gst_caps_unref (caps);
caps = ncaps;
break;
default:
caps = gst_caps_new_empty ();
GST_ERROR_OBJECT (rp, "unexpected format %d", ap->format);
break;
}
return caps;
}
static gboolean
gst_raw_parse_sink_event (GstPad * pad, GstEvent * event)
{
GstRawParse *rp = GST_RAW_PARSE (gst_pad_get_parent (pad));
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
case GST_EVENT_FLUSH_STOP:
/* Only happens in push mode */
gst_raw_parse_reset (rp);
ret = gst_pad_push_event (rp->srcpad, event);
break;
case GST_EVENT_NEWSEGMENT:
{
GstClockTimeDiff start, stop, time;
gdouble rate, arate;
gboolean update;
GstFormat format;
/* Only happens in push mode */
gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
&start, &stop, &time);
if (format == GST_FORMAT_TIME) {
gst_segment_set_newsegment_full (&rp->segment, update, rate, arate,
GST_FORMAT_TIME, start, stop, time);
ret = gst_pad_push_event (rp->srcpad, event);
} else {
gst_event_unref (event);
ret =
gst_raw_parse_convert (rp, format, start, GST_FORMAT_TIME, &start);
ret &= gst_raw_parse_convert (rp, format, time, GST_FORMAT_TIME, &time);
ret &= gst_raw_parse_convert (rp, format, stop, GST_FORMAT_TIME, &stop);
if (!ret) {
GST_ERROR_OBJECT (rp,
"Failed converting to GST_FORMAT_TIME format (%d)", format);
break;
}
gst_segment_set_newsegment_full (&rp->segment, update, rate, arate,
GST_FORMAT_TIME, start, stop, time);
/* create new segment with the fields converted to time */
event = gst_event_new_new_segment_full (update, rate, arate,
GST_FORMAT_TIME, start, stop, time);
ret = gst_pad_push_event (rp->srcpad, event);
}
break;
}
default:
ret = gst_pad_event_default (rp->sinkpad, event);
break;
}
gst_object_unref (rp);
return ret;
}
static void
gst_raw_parse_loop (GstElement * element)
{
GstRawParse *rp = GST_RAW_PARSE (element);
GstRawParseClass *rp_class = GST_RAW_PARSE_GET_CLASS (rp);
GstFlowReturn ret;
GstBuffer *buffer;
gint size;
if (!gst_raw_parse_set_src_caps (rp))
goto no_caps;
if (rp->start_segment) {
GST_DEBUG_OBJECT (rp, "sending start segment");
gst_pad_push_event (rp->srcpad, rp->start_segment);
rp->start_segment = NULL;
}
if (rp_class->multiple_frames_per_buffer && rp->framesize < 4096)
size = 4096 - (4096 % rp->framesize);
else
size = rp->framesize;
if (rp->segment.rate >= 0) {
if (rp->offset + size > rp->upstream_length) {
GstFormat fmt = GST_FORMAT_BYTES;
if (!gst_pad_peer_query_duration (rp->sinkpad, fmt, &rp->upstream_length)) {
GST_WARNING_OBJECT (rp,
"Could not get upstream duration, trying to pull frame by frame");
size = rp->framesize;
} else if (rp->upstream_length < rp->offset + rp->framesize) {
ret = GST_FLOW_EOS;
goto pause;
} else if (rp->offset + size > rp->upstream_length) {
size = rp->upstream_length - rp->offset;
size -= size % rp->framesize;
}
}
} else {
if (rp->offset == 0) {
ret = GST_FLOW_EOS;
goto pause;
} else if (rp->offset < size) {
size -= rp->offset;
}
rp->offset -= size;
}
buffer = NULL;
ret = gst_pad_pull_range (rp->sinkpad, rp->offset, size, &buffer);
if (ret != GST_FLOW_OK) {
GST_DEBUG_OBJECT (rp, "pull_range (%" G_GINT64_FORMAT ", %u) "
"failed, flow: %s", rp->offset, size, gst_flow_get_name (ret));
buffer = NULL;
goto pause;
}
if (gst_buffer_get_size (buffer) < size) {
GST_DEBUG_OBJECT (rp, "Short read at offset %" G_GINT64_FORMAT
", got only %" G_GSIZE_FORMAT " of %u bytes", rp->offset,
gst_buffer_get_size (buffer), size);
if (size > rp->framesize) {
gst_buffer_set_size (buffer, gst_buffer_get_size (buffer) -
gst_buffer_get_size (buffer) % rp->framesize);
} else {
gst_buffer_unref (buffer);
buffer = NULL;
ret = GST_FLOW_EOS;
goto pause;
}
}
ret = gst_raw_parse_push_buffer (rp, buffer);
if (ret != GST_FLOW_OK)
goto pause;
return;
/* ERRORS */
no_caps:
{
GST_ERROR_OBJECT (rp, "could not negotiate caps");
ret = GST_FLOW_NOT_NEGOTIATED;
goto pause;
}
pause:
{
const gchar *reason = gst_flow_get_name (ret);
GST_LOG_OBJECT (rp, "pausing task, reason %s", reason);
gst_pad_pause_task (rp->sinkpad);
if (ret == GST_FLOW_EOS) {
if (rp->segment.flags & GST_SEEK_FLAG_SEGMENT) {
GstClockTime stop;
GST_LOG_OBJECT (rp, "Sending segment done");
if ((stop = rp->segment.stop) == -1)
stop = rp->segment.duration;
gst_element_post_message (GST_ELEMENT_CAST (rp),
gst_message_new_segment_done (GST_OBJECT_CAST (rp),
rp->segment.format, stop));
gst_pad_push_event (rp->srcpad,
gst_event_new_segment_done (rp->segment.format, stop));
} else {
GST_LOG_OBJECT (rp, "Sending EOS, at end of stream");
gst_pad_push_event (rp->srcpad, gst_event_new_eos ());
}
} else if (ret == GST_FLOW_NOT_LINKED || ret < GST_FLOW_EOS) {
GST_ELEMENT_ERROR (rp, STREAM, FAILED,
("Internal data stream error."),
("stream stopped, reason %s", reason));
gst_pad_push_event (rp->srcpad, gst_event_new_eos ());
}
return;
}
}
static gboolean
gst_raw_parse_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstRawParse *rp = GST_RAW_PARSE (parent);
gboolean ret = FALSE;
GST_DEBUG ("src_query %s", gst_query_type_get_name (GST_QUERY_TYPE (query)));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
gint64 time, value;
GST_LOG ("query position");
gst_query_parse_position (query, &format, NULL);
time = rp->segment.position;
ret = gst_raw_parse_convert (rp, GST_FORMAT_TIME, time, format, &value);
gst_query_set_position (query, format, value);
break;
}
case GST_QUERY_DURATION:{
gint64 duration;
GstFormat format;
GstQuery *bquery;
GST_LOG ("query duration");
ret = gst_pad_peer_query (rp->sinkpad, query);
if (ret)
goto done;
gst_query_parse_duration (query, &format, NULL);
/* We only handle TIME and DEFAULT format */
if (format != GST_FORMAT_TIME && format != GST_FORMAT_DEFAULT)
goto error;
bquery = gst_query_new_duration (GST_FORMAT_BYTES);
ret = gst_pad_peer_query (rp->sinkpad, bquery);
if (!ret) {
gst_query_unref (bquery);
goto error;
}
gst_query_parse_duration (bquery, NULL, &duration);
gst_query_unref (bquery);
ret =
gst_raw_parse_convert (rp, GST_FORMAT_BYTES, duration, format,
&duration);
if (ret)
gst_query_set_duration (query, format, duration);
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
GST_LOG ("query convert");
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
ret = gst_raw_parse_convert (rp, src_fmt, src_val, dest_fmt, &dest_val);
if (!ret)
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_SEEKING:{
GstFormat fmt;
ret = TRUE;
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
if (fmt != GST_FORMAT_TIME && fmt != GST_FORMAT_DEFAULT
&& fmt != GST_FORMAT_BYTES) {
gst_query_set_seeking (query, fmt, FALSE, -1, -1);
} else if (rp->mode == GST_PAD_MODE_PUSH) {
GstQuery *peerquery = gst_query_new_seeking (GST_FORMAT_BYTES);
gboolean seekable;
seekable = gst_pad_peer_query (rp->sinkpad, peerquery);
if (seekable)
gst_query_parse_seeking (peerquery, NULL, &seekable, NULL, NULL);
gst_query_unref (peerquery);
gst_query_set_seeking (query, fmt, seekable, seekable ? 0 : -1, -1);
} else {
gst_query_set_seeking (query, fmt, TRUE, 0, -1);
}
break;
}
default:
/* else forward upstream */
ret = gst_pad_query_default (rp->sinkpad, parent, query);
break;
}
done:
return ret;
/* ERRORS */
error:
{
GST_DEBUG_OBJECT (rp, "query failed");
goto done;
}
}
