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gst/rawparse/gstrawparse.*: Implement pull mode.
Original commit message from CVS: * gst/rawparse/gstrawparse.c: (gst_raw_parse_class_init), (gst_raw_parse_init), (gst_raw_parse_reset), (gst_raw_parse_set_src_caps), (gst_raw_parse_push_buffer), (gst_raw_parse_chain), (gst_raw_parse_loop), (gst_raw_parse_sink_activate), (gst_raw_parse_sink_activatepull), (gst_raw_parse_change_state), (gst_raw_parse_sink_event), (gst_raw_parse_handle_seek_push), (gst_raw_parse_handle_seek_pull), (gst_raw_parse_src_event), (gst_raw_parse_src_query): * gst/rawparse/gstrawparse.h: Implement pull mode.
This commit is contained in:
Sebastian Dröge
parent
63eb14e5dd
commit
19557fc2e6
13
ChangeLog
13
ChangeLog
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@ -1,3 +1,16 @@
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2008-01-18 Sebastian Dröge <slomo@circular-chaos.org>
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* gst/rawparse/gstrawparse.c: (gst_raw_parse_class_init),
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(gst_raw_parse_init), (gst_raw_parse_reset),
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(gst_raw_parse_set_src_caps), (gst_raw_parse_push_buffer),
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(gst_raw_parse_chain), (gst_raw_parse_loop),
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(gst_raw_parse_sink_activate), (gst_raw_parse_sink_activatepull),
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(gst_raw_parse_change_state), (gst_raw_parse_sink_event),
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(gst_raw_parse_handle_seek_push), (gst_raw_parse_handle_seek_pull),
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(gst_raw_parse_src_event), (gst_raw_parse_src_query):
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* gst/rawparse/gstrawparse.h:
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Implement pull mode.
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2008-01-18 Sebastian Dröge <slomo@circular-chaos.org>
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* gst/multifile/gstmultifilesrc.c: (gst_multi_file_src_create):
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2
common
2
common
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@ -1 +1 @@
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Subproject commit a78a9496c0c8cd815dda3d8d6127f0a654665abf
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Subproject commit b6bd1a35b641237d016496039e474dee4230de76
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@ -35,6 +35,12 @@
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static void gst_raw_parse_dispose (GObject * object);
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static gboolean gst_raw_parse_sink_activate (GstPad * sinkpad);
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static gboolean gst_raw_parse_sink_activatepull (GstPad * sinkpad,
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gboolean active);
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static void gst_raw_parse_loop (GstElement * element);
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static GstStateChangeReturn gst_raw_parse_change_state (GstElement * element,
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GstStateChange transition);
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static GstFlowReturn gst_raw_parse_chain (GstPad * pad, GstBuffer * buffer);
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static gboolean gst_raw_parse_sink_event (GstPad * pad, GstEvent * event);
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static gboolean gst_raw_parse_src_event (GstPad * pad, GstEvent * event);
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@ -44,6 +50,8 @@ static gboolean gst_raw_parse_convert (GstRawParse * rp,
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GstFormat src_format, gint64 src_value,
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GstFormat dest_format, gint64 * dest_value);
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static void gst_raw_parse_reset (GstRawParse * rp);
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static GstStaticPadTemplate gst_raw_parse_sink_pad_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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@ -71,8 +79,12 @@ static void
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gst_raw_parse_class_init (GstRawParseClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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gobject_class->dispose = gst_raw_parse_dispose;
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_raw_parse_change_state);
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}
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static void
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@ -86,8 +98,14 @@ gst_raw_parse_init (GstRawParse * rp, GstRawParseClass * g_class)
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"sink");
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gst_element_add_pad (GST_ELEMENT (rp), rp->sinkpad);
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gst_pad_set_chain_function (rp->sinkpad, gst_raw_parse_chain);
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gst_pad_set_event_function (rp->sinkpad, gst_raw_parse_sink_event);
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gst_pad_set_chain_function (rp->sinkpad,
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GST_DEBUG_FUNCPTR (gst_raw_parse_chain));
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gst_pad_set_event_function (rp->sinkpad,
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GST_DEBUG_FUNCPTR (gst_raw_parse_sink_event));
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gst_pad_set_activate_function (rp->sinkpad,
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GST_DEBUG_FUNCPTR (gst_raw_parse_sink_activate));
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gst_pad_set_activatepull_function (rp->sinkpad,
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GST_DEBUG_FUNCPTR (gst_raw_parse_sink_activatepull));
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src_pad_template = gst_element_class_get_pad_template (element_class, "src");
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@ -100,16 +118,21 @@ gst_raw_parse_init (GstRawParse * rp, GstRawParseClass * g_class)
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gst_element_add_pad (GST_ELEMENT (rp), rp->srcpad);
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gst_pad_set_event_function (rp->srcpad, gst_raw_parse_src_event);
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gst_pad_set_event_function (rp->srcpad,
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GST_DEBUG_FUNCPTR (gst_raw_parse_src_event));
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gst_pad_set_query_type_function (rp->srcpad, gst_raw_parse_src_query_type);
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gst_pad_set_query_function (rp->srcpad, gst_raw_parse_src_query);
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gst_pad_set_query_type_function (rp->srcpad,
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GST_DEBUG_FUNCPTR (gst_raw_parse_src_query_type));
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gst_pad_set_query_function (rp->srcpad,
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GST_DEBUG_FUNCPTR (gst_raw_parse_src_query));
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rp->adapter = gst_adapter_new ();
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rp->fps_n = 1;
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rp->fps_d = 0;
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rp->framesize = 1;
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gst_raw_parse_reset (rp);
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}
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static void
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@ -153,19 +176,81 @@ static void
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gst_raw_parse_reset (GstRawParse * rp)
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{
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rp->n_frames = 0;
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rp->offset = 0;
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rp->discont = TRUE;
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rp->upstream_length = 0;
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gst_segment_init (&rp->segment, GST_FORMAT_TIME);
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rp->need_newsegment = TRUE;
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gst_adapter_clear (rp->adapter);
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}
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static gboolean
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gst_raw_parse_set_src_caps (GstRawParse * rp)
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{
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GstRawParseClass *rp_class = GST_RAW_PARSE_GET_CLASS (rp);
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GstCaps *caps;
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if (rp->negotiated)
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return TRUE;
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if (rp_class->get_caps) {
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caps = rp_class->get_caps (rp);
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} else {
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GST_WARNING
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("Subclass doesn't implement get_caps() method, using ANY caps");
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caps = gst_caps_new_any ();
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}
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rp->negotiated = gst_pad_set_caps (rp->srcpad, caps);
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return rp->negotiated;
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}
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static GstFlowReturn
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gst_raw_parse_push_buffer (GstRawParse * rp, GstBuffer * buffer)
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{
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GstFlowReturn ret;
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gint nframes;
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nframes = GST_BUFFER_SIZE (buffer) / rp->framesize;
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if (rp->fps_n) {
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GST_BUFFER_TIMESTAMP (buffer) = rp->segment.start +
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gst_util_uint64_scale (rp->n_frames, GST_SECOND * rp->fps_d, rp->fps_n);
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GST_BUFFER_DURATION (buffer) =
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gst_util_uint64_scale (nframes * GST_SECOND, rp->fps_d, rp->fps_n);
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} else {
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GST_BUFFER_TIMESTAMP (buffer) = rp->segment.start;
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GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
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}
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gst_buffer_set_caps (buffer, GST_PAD_CAPS (rp->srcpad));
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if (rp->discont) {
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GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
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rp->discont = FALSE;
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}
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rp->offset += GST_BUFFER_SIZE (buffer);
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rp->n_frames += nframes;
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rp->segment.last_stop = GST_BUFFER_TIMESTAMP (buffer);
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GST_LOG_OBJECT (rp, "Pushing buffer with time %" GST_TIME_FORMAT,
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
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ret = gst_pad_push (rp->srcpad, buffer);
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return ret;
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}
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static GstFlowReturn
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gst_raw_parse_chain (GstPad * pad, GstBuffer * buffer)
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{
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GstRawParse *rp = GST_RAW_PARSE (gst_pad_get_parent (pad));
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GstFlowReturn ret = GST_FLOW_OK;
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GstRawParseClass *rp_class = GST_RAW_PARSE_GET_CLASS (rp);
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guint buffersize, nframes;
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guint buffersize;
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if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))) {
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GST_DEBUG_OBJECT (rp, "received DISCONT buffer");
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@ -173,55 +258,22 @@ gst_raw_parse_chain (GstPad * pad, GstBuffer * buffer)
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rp->discont = TRUE;
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}
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if (!rp->negotiated) {
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GstCaps *caps;
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if (rp_class->get_caps) {
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caps = rp_class->get_caps (rp);
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} else {
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GST_WARNING
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("Subclass doesn't implement get_caps() method, using ANY caps");
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caps = gst_caps_new_any ();
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}
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rp->negotiated = gst_pad_set_caps (rp->srcpad, caps);
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}
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g_return_val_if_fail (rp->negotiated, GST_FLOW_ERROR);
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g_return_val_if_fail (gst_raw_parse_set_src_caps (rp), GST_FLOW_ERROR);
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gst_adapter_push (rp->adapter, buffer);
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if (rp_class->multiple_frames_per_buffer) {
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buffersize = gst_adapter_available (rp->adapter);
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buffersize -= buffersize % rp->framesize;
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nframes = buffersize / rp->framesize;
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} else {
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buffersize = rp->framesize;
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nframes = 1;
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}
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while (gst_adapter_available (rp->adapter) >= buffersize) {
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buffer = gst_adapter_take_buffer (rp->adapter, buffersize);
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if (rp->fps_n) {
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GST_BUFFER_TIMESTAMP (buffer) = rp->segment.start +
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gst_util_uint64_scale (rp->n_frames, GST_SECOND * rp->fps_d,
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rp->fps_n);
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GST_BUFFER_DURATION (buffer) =
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gst_util_uint64_scale (nframes * GST_SECOND, rp->fps_d, rp->fps_n);
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} else {
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GST_BUFFER_TIMESTAMP (buffer) = rp->segment.start;
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GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
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}
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gst_buffer_set_caps (buffer, GST_PAD_CAPS (rp->srcpad));
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if (rp->discont) {
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GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
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rp->discont = FALSE;
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}
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ret = gst_raw_parse_push_buffer (rp, buffer);
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rp->n_frames += nframes;
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ret = gst_pad_push (rp->srcpad, buffer);
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if (ret != GST_FLOW_OK)
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break;
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}
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@ -230,6 +282,167 @@ gst_raw_parse_chain (GstPad * pad, GstBuffer * buffer)
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return ret;
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}
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static void
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gst_raw_parse_loop (GstElement * element)
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{
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GstRawParse *rp = GST_RAW_PARSE (element);
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GstRawParseClass *rp_class = GST_RAW_PARSE_GET_CLASS (rp);
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GstFlowReturn ret;
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GstBuffer *buffer;
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gint size;
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if (!gst_raw_parse_set_src_caps (rp)) {
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ret = GST_FLOW_ERROR;
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goto pause;
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}
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if (rp_class->multiple_frames_per_buffer)
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size = 1024 * rp->framesize;
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else
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size = rp->framesize;
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if (rp->offset + size > rp->upstream_length) {
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GstFormat fmt = GST_FORMAT_BYTES;
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if (!gst_pad_query_peer_duration (rp->sinkpad, &fmt, &rp->upstream_length)
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|| rp->upstream_length < rp->offset + rp->framesize) {
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ret = GST_FLOW_UNEXPECTED;
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goto pause;
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}
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if (rp->offset + size > rp->upstream_length) {
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size = rp->upstream_length - rp->offset;
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size -= size % rp->framesize;
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}
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}
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ret = gst_pad_pull_range (rp->sinkpad, rp->offset, size, &buffer);
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if (GST_FLOW_IS_FATAL (ret)) {
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GST_DEBUG_OBJECT (rp, "pull_range (%" G_GINT64_FORMAT ", %u) "
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"failed, flow: %s", rp->offset, size, gst_flow_get_name (ret));
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buffer = NULL;
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goto pause;
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}
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if (GST_BUFFER_SIZE (buffer) < size) {
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GST_DEBUG_OBJECT (rp, "Short read at offset %" G_GINT64_FORMAT
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", got only %u of %u bytes", rp->offset, GST_BUFFER_SIZE (buffer),
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size);
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gst_buffer_unref (buffer);
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buffer = NULL;
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ret = GST_FLOW_UNEXPECTED;
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goto pause;
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}
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if (rp->need_newsegment) {
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GST_DEBUG_OBJECT (rp, "sending newsegment from %" GST_TIME_FORMAT
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" to %" GST_TIME_FORMAT, GST_TIME_ARGS (rp->segment.start),
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GST_TIME_ARGS (rp->segment.stop));
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if (gst_pad_push_event (rp->srcpad, gst_event_new_new_segment (FALSE,
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rp->segment.rate, GST_FORMAT_TIME, rp->segment.start,
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rp->segment.stop, rp->segment.last_stop)));
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rp->need_newsegment = FALSE;
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}
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ret = gst_raw_parse_push_buffer (rp, buffer);
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if (GST_FLOW_IS_FATAL (ret))
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goto pause;
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return;
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pause:
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{
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const gchar *reason = gst_flow_get_name (ret);
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GST_LOG_OBJECT (rp, "pausing task, reason %s", reason);
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gst_pad_pause_task (rp->sinkpad);
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if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED) {
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if (ret == GST_FLOW_UNEXPECTED && rp->srcpad) {
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if (rp->segment.flags & GST_SEEK_FLAG_SEGMENT) {
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GstClockTime stop;
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GST_LOG_OBJECT (rp, "Sending segment done");
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if ((stop = rp->segment.stop) == -1)
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stop = rp->segment.duration;
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gst_element_post_message (GST_ELEMENT_CAST (rp),
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gst_message_new_segment_done (GST_OBJECT_CAST (rp),
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rp->segment.format, stop));
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} else {
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GST_LOG_OBJECT (rp, "Sending EOS, at end of stream");
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gst_pad_push_event (rp->srcpad, gst_event_new_eos ());
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}
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} else {
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GST_ELEMENT_ERROR (rp, STREAM, FAILED,
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("Internal data stream error."),
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("stream stopped, reason %s", reason));
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if (rp->srcpad)
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gst_pad_push_event (rp->srcpad, gst_event_new_eos ());
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}
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}
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return;
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}
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}
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static gboolean
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gst_raw_parse_sink_activate (GstPad * sinkpad)
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{
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if (gst_pad_check_pull_range (sinkpad)) {
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GST_RAW_PARSE (GST_PAD_PARENT (sinkpad))->mode = GST_ACTIVATE_PULL;
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return gst_pad_activate_pull (sinkpad, TRUE);
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} else {
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GST_RAW_PARSE (GST_PAD_PARENT (sinkpad))->mode = GST_ACTIVATE_PUSH;
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return gst_pad_activate_push (sinkpad, TRUE);
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}
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}
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static gboolean
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gst_raw_parse_sink_activatepull (GstPad * sinkpad, gboolean active)
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{
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gboolean result;
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if (active) {
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result = gst_pad_start_task (sinkpad,
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(GstTaskFunction) gst_raw_parse_loop, GST_PAD_PARENT (sinkpad));
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} else {
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result = gst_pad_stop_task (sinkpad);
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}
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return result;
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}
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static GstStateChangeReturn
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gst_raw_parse_change_state (GstElement * element, GstStateChange transition)
|
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{
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GstRawParse *rp = GST_RAW_PARSE (element);
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GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
|
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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gst_segment_init (&rp->segment, GST_FORMAT_TIME);
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rp->segment.last_stop = 0;
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default:
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break;
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}
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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gst_raw_parse_reset (rp);
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break;
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default:
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break;
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}
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return ret;
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}
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static gboolean
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gst_raw_parse_convert (GstRawParse * rp,
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GstFormat src_format, gint64 src_value,
|
||||
|
|
@ -338,7 +551,9 @@ gst_raw_parse_sink_event (GstPad * pad, GstEvent * event)
|
|||
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;
|
||||
|
|
@ -349,6 +564,8 @@ gst_raw_parse_sink_event (GstPad * pad, GstEvent * event)
|
|||
gboolean update;
|
||||
GstFormat format;
|
||||
|
||||
/* Only happens in push mode */
|
||||
|
||||
gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
|
||||
&start, &stop, &time);
|
||||
|
||||
|
|
@ -380,6 +597,7 @@ gst_raw_parse_sink_event (GstPad * pad, GstEvent * event)
|
|||
|
||||
if (ret) {
|
||||
rp->n_frames = 0;
|
||||
rp->offset = 0;
|
||||
rp->discont = TRUE;
|
||||
gst_adapter_clear (rp->adapter);
|
||||
}
|
||||
|
|
@ -395,6 +613,138 @@ gst_raw_parse_sink_event (GstPad * pad, GstEvent * event)
|
|||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static gboolean
|
||||
gst_raw_parse_handle_seek_push (GstRawParse * rp, GstEvent * event)
|
||||
{
|
||||
GstFormat format;
|
||||
gdouble rate;
|
||||
GstSeekFlags flags;
|
||||
GstSeekType start_type, stop_type;
|
||||
gint64 start, stop;
|
||||
gboolean ret = FALSE;
|
||||
|
||||
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
|
||||
&stop_type, &stop);
|
||||
|
||||
/* First try if upstream handles the seek */
|
||||
ret = gst_pad_push_event (rp->sinkpad, event);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
|
||||
gst_event_unref (event);
|
||||
|
||||
/* Otherwise convert to bytes and push upstream */
|
||||
if (format == GST_FORMAT_TIME || format == GST_FORMAT_DEFAULT) {
|
||||
ret = gst_raw_parse_convert (rp, format, start, GST_FORMAT_BYTES, &start);
|
||||
ret &= gst_raw_parse_convert (rp, format, stop, GST_FORMAT_BYTES, &stop);
|
||||
|
||||
if (ret) {
|
||||
/* Seek on a frame boundary */
|
||||
start -= start % rp->framesize;
|
||||
if (stop != -1)
|
||||
stop += rp->framesize - stop % rp->framesize;
|
||||
|
||||
event =
|
||||
gst_event_new_seek (rate, GST_FORMAT_BYTES, flags, start_type,
|
||||
start, stop_type, stop);
|
||||
|
||||
ret = gst_pad_push_event (rp->sinkpad, event);
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_raw_parse_handle_seek_pull (GstRawParse * rp, GstEvent * event)
|
||||
{
|
||||
GstFormat format;
|
||||
gdouble rate;
|
||||
GstSeekFlags flags;
|
||||
GstSeekType start_type, stop_type;
|
||||
gint64 start, stop;
|
||||
gint64 start_byte, stop_byte;
|
||||
gint64 last_stop;
|
||||
gboolean ret = FALSE;
|
||||
gboolean flush;
|
||||
GstFormat fmt = GST_FORMAT_BYTES;
|
||||
GstSegment segment;
|
||||
|
||||
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
|
||||
&stop_type, &stop);
|
||||
|
||||
gst_event_unref (event);
|
||||
|
||||
if (format != GST_FORMAT_TIME && format != GST_FORMAT_DEFAULT) {
|
||||
GST_DEBUG ("seeking is only supported in TIME or DEFAULT format");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
GST_OBJECT_LOCK (rp);
|
||||
|
||||
|
||||
if (stop == -1 && !gst_pad_query_peer_duration (rp->sinkpad, &fmt, &stop))
|
||||
stop = -1;
|
||||
|
||||
ret =
|
||||
gst_raw_parse_convert (rp, format, start, GST_FORMAT_BYTES, &start_byte);
|
||||
ret &= gst_raw_parse_convert (rp, format, stop, GST_FORMAT_BYTES, &stop_byte);
|
||||
|
||||
if (ret) {
|
||||
/* Seek on a frame boundary */
|
||||
start_byte -= start_byte % rp->framesize;
|
||||
if (stop_byte != -1)
|
||||
stop_byte += rp->framesize - stop_byte % rp->framesize;
|
||||
|
||||
flush = ((flags & GST_SEEK_FLAG_FLUSH) != 0);
|
||||
|
||||
segment = rp->segment;
|
||||
|
||||
gst_segment_set_seek (&segment, rate, GST_FORMAT_TIME, flags, start_type,
|
||||
start, stop_type, stop, NULL);
|
||||
|
||||
gst_pad_push_event (rp->sinkpad, gst_event_new_flush_start ());
|
||||
if (flush)
|
||||
gst_pad_push_event (rp->srcpad, gst_event_new_flush_start ());
|
||||
else
|
||||
gst_pad_pause_task (rp->sinkpad);
|
||||
|
||||
GST_PAD_STREAM_LOCK (rp->sinkpad);
|
||||
|
||||
last_stop = rp->segment.last_stop;
|
||||
|
||||
gst_pad_push_event (rp->sinkpad, gst_event_new_flush_stop ());
|
||||
if (flush)
|
||||
gst_pad_push_event (rp->srcpad, gst_event_new_flush_stop ());
|
||||
|
||||
GST_DEBUG_OBJECT (rp, "Performing seek to %" GST_TIME_FORMAT ", byte %"
|
||||
G_GINT64_FORMAT, GST_TIME_ARGS (segment.start), start_byte);
|
||||
|
||||
rp->offset = start_byte;
|
||||
rp->segment = segment;
|
||||
rp->segment.last_stop = start;
|
||||
rp->need_newsegment = TRUE;
|
||||
rp->discont = (last_stop != start) ? TRUE : FALSE;
|
||||
|
||||
if (rp->segment.flags & GST_SEEK_FLAG_SEGMENT) {
|
||||
gst_element_post_message (GST_ELEMENT_CAST (rp),
|
||||
gst_message_new_segment_start (GST_OBJECT_CAST (rp),
|
||||
rp->segment.format, rp->segment.last_stop));
|
||||
}
|
||||
|
||||
GST_PAD_STREAM_UNLOCK (rp->sinkpad);
|
||||
} else {
|
||||
GST_DEBUG_OBJECT (rp, "Seek failed: couldn't convert to byte positions");
|
||||
}
|
||||
|
||||
GST_OBJECT_UNLOCK (rp);
|
||||
|
||||
gst_pad_start_task (rp->sinkpad, (GstTaskFunction) gst_raw_parse_loop, rp);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_raw_parse_src_event (GstPad * pad, GstEvent * event)
|
||||
{
|
||||
|
|
@ -402,51 +752,17 @@ gst_raw_parse_src_event (GstPad * pad, GstEvent * event)
|
|||
gboolean ret;
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
case GST_EVENT_SEEK:{
|
||||
GstFormat format;
|
||||
gdouble rate;
|
||||
GstSeekFlags flags;
|
||||
GstSeekType start_type, stop_type;
|
||||
gint64 start, stop;
|
||||
|
||||
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
|
||||
&stop_type, &stop);
|
||||
|
||||
/* First try if upstream handles the seek */
|
||||
ret = gst_pad_push_event (rp->sinkpad, event);
|
||||
if (ret)
|
||||
goto done;
|
||||
|
||||
/* Otherwise convert to bytes and push upstream */
|
||||
if (format == GST_FORMAT_TIME || format == GST_FORMAT_DEFAULT) {
|
||||
gst_event_unref (event);
|
||||
|
||||
ret =
|
||||
gst_raw_parse_convert (rp, format, start, GST_FORMAT_BYTES, &start);
|
||||
ret &=
|
||||
gst_raw_parse_convert (rp, format, stop, GST_FORMAT_BYTES, &stop);
|
||||
|
||||
if (ret) {
|
||||
/* Seek on a frame boundary */
|
||||
start -= start % rp->framesize;
|
||||
if (stop != -1)
|
||||
stop += rp->framesize - stop % rp->framesize;
|
||||
|
||||
event =
|
||||
gst_event_new_seek (rate, GST_FORMAT_BYTES, flags, start_type,
|
||||
start, stop_type, stop);
|
||||
|
||||
ret = gst_pad_push_event (rp->sinkpad, 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;
|
||||
}
|
||||
|
||||
done:
|
||||
gst_object_unref (rp);
|
||||
|
||||
return ret;
|
||||
|
|
@ -483,8 +799,7 @@ gst_raw_parse_src_query (GstPad * pad, GstQuery * query)
|
|||
|
||||
gst_query_parse_position (query, &format, NULL);
|
||||
|
||||
time = gst_util_uint64_scale (rp->n_frames,
|
||||
GST_SECOND * rp->fps_d, rp->fps_n);
|
||||
time = rp->segment.last_stop;
|
||||
ret = gst_raw_parse_convert (rp, GST_FORMAT_TIME, time, format, &value);
|
||||
|
||||
gst_query_set_position (query, format, value);
|
||||
|
|
|
|||
|
|
@ -52,6 +52,7 @@ struct _GstRawParse
|
|||
GstPad *sinkpad;
|
||||
GstPad *srcpad;
|
||||
|
||||
GstActivateMode mode;
|
||||
GstAdapter *adapter;
|
||||
|
||||
int framesize;
|
||||
|
|
@ -60,11 +61,14 @@ struct _GstRawParse
|
|||
|
||||
gboolean discont;
|
||||
guint64 n_frames;
|
||||
gint64 offset;
|
||||
|
||||
GstSegment segment;
|
||||
|
||||
gint64 upstream_length;
|
||||
|
||||
gboolean negotiated;
|
||||
gboolean have_new_segment;
|
||||
gboolean need_newsegment;
|
||||
};
|
||||
|
||||
struct _GstRawParseClass
|
||||
|
|
|
|||
Loading…
Reference in a new issue