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ext/wavpack/gstwavpackparse.*: Make wavpackparse also work in push-mode (not seekable yet though); some small clean-u...
Original commit message from CVS: * ext/wavpack/gstwavpackparse.c: (gst_wavpack_parse_class_init), (gst_wavpack_parse_reset), (gst_wavpack_parse_get_src_query_types), (gst_wavpack_parse_src_query), (gst_wavpack_parse_handle_seek_event), (gst_wavpack_parse_sink_event), (gst_wavpack_parse_init), (gst_wavpack_parse_create_src_pad), (gst_wavpack_parse_push_buffer), (gst_wavpack_parse_loop), (gst_wavpack_parse_chain), (gst_wavpack_parse_sink_activate), (gst_wavpack_parse_sink_activate_pull): * ext/wavpack/gstwavpackparse.h: Patch by: Sebastian Dröge <slomo at circular-chaos.org> Make wavpackparse also work in push-mode (not seekable yet though); some small clean-ups along the way; add support for SEEKING query and query types function. (#351495).
This commit is contained in:
Sebastian Dröge
Tim-Philipp Müller
parent
4843f92356
commit
058dec01f1
3 changed files with 208 additions and 50 deletions
18
ChangeLog
18
ChangeLog
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@ -1,3 +1,21 @@
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2006-08-15 Tim-Philipp Müller <tim at centricular dot net>
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* ext/wavpack/gstwavpackparse.c: (gst_wavpack_parse_class_init),
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(gst_wavpack_parse_reset), (gst_wavpack_parse_get_src_query_types),
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(gst_wavpack_parse_src_query),
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(gst_wavpack_parse_handle_seek_event),
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(gst_wavpack_parse_sink_event), (gst_wavpack_parse_init),
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(gst_wavpack_parse_create_src_pad),
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(gst_wavpack_parse_push_buffer), (gst_wavpack_parse_loop),
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(gst_wavpack_parse_chain), (gst_wavpack_parse_sink_activate),
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(gst_wavpack_parse_sink_activate_pull):
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* ext/wavpack/gstwavpackparse.h:
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Patch by: Sebastian Dröge <slomo at circular-chaos.org>
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Make wavpackparse also work in push-mode (not seekable yet though);
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some small clean-ups along the way; add support for SEEKING query
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and query types function. (#351495).
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2006-08-15 Tim-Philipp Müller <tim at centricular dot net>
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* ext/libfame/gstlibfame.c: (gst_fameenc_get_property):
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@ -57,9 +57,9 @@ static GstStaticPadTemplate wvc_src_factory = GST_STATIC_PAD_TEMPLATE ("wvcsrc",
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GST_STATIC_CAPS ("audio/x-wavpack-correction, " "framed = (boolean) true")
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);
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static gboolean gst_wavepack_parse_sink_activate (GstPad * sinkpad);
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static gboolean gst_wavpack_parse_sink_activate (GstPad * sinkpad);
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static gboolean
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gst_wavepack_parse_sink_activate_pull (GstPad * sinkpad, gboolean active);
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gst_wavpack_parse_sink_activate_pull (GstPad * sinkpad, gboolean active);
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static void gst_wavpack_parse_loop (GstElement * element);
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static GstStateChangeReturn gst_wavpack_parse_change_state (GstElement *
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@ -68,6 +68,7 @@ static void gst_wavpack_parse_reset (GstWavpackParse * wavpackparse);
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static gint64 gst_wavpack_parse_get_upstream_length (GstWavpackParse * wvparse);
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static GstBuffer *gst_wavpack_parse_pull_buffer (GstWavpackParse * wvparse,
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gint64 offset, guint size, GstFlowReturn * flow);
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static GstFlowReturn gst_wavpack_parse_chain (GstPad * pad, GstBuffer * buf);
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GST_BOILERPLATE (GstWavpackParse, gst_wavpack_parse, GstElement,
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GST_TYPE_ELEMENT);
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@ -108,7 +109,7 @@ gst_wavpack_parse_class_init (GstWavpackParseClass * klass)
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gobject_class->finalize = gst_wavpack_parse_finalize;
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_wavpack_parse_finalize);
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_change_state);
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}
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@ -188,7 +189,7 @@ gst_wavpack_parse_index_append_entry (GstWavpackParse * wvparse,
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static void
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gst_wavpack_parse_reset (GstWavpackParse * wavpackparse)
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{
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wavpackparse->total_samples = 0;
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wavpackparse->total_samples = -1;
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wavpackparse->samplerate = 0;
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wavpackparse->channels = 0;
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@ -203,6 +204,12 @@ gst_wavpack_parse_reset (GstWavpackParse * wavpackparse)
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wavpackparse->entries = NULL;
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}
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if (wavpackparse->adapter) {
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gst_adapter_clear (wavpackparse->adapter);
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g_object_unref (wavpackparse->adapter);
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wavpackparse->adapter = NULL;
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}
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if (wavpackparse->srcpad != NULL) {
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gboolean res;
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@ -220,6 +227,19 @@ gst_wavpack_parse_reset (GstWavpackParse * wavpackparse)
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wavpackparse->queued_events = NULL;
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}
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static const GstQueryType *
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gst_wavpack_parse_get_src_query_types (GstPad * pad)
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{
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static const GstQueryType types[] = {
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GST_QUERY_POSITION,
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GST_QUERY_DURATION,
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GST_QUERY_SEEKING,
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0
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};
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return types;
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}
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static gboolean
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gst_wavpack_parse_src_query (GstPad * pad, GstQuery * query)
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{
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@ -268,10 +288,12 @@ gst_wavpack_parse_src_query (GstPad * pad, GstQuery * query)
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GST_OBJECT_LOCK (wavpackparse);
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rate = wavpackparse->samplerate;
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len = wavpackparse->total_samples;
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/* FIXME: return 0 if we work in push based mode to let totem
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* recognize that we can't seek */
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len = (wavpackparse->adapter) ? 0 : wavpackparse->total_samples;
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GST_OBJECT_UNLOCK (wavpackparse);
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if (len <= 0 || rate == 0) {
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if (len < 0 || rate == 0) {
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GST_DEBUG_OBJECT (wavpackparse, "haven't read header yet");
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break;
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}
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@ -295,6 +317,24 @@ gst_wavpack_parse_src_query (GstPad * pad, GstQuery * query)
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}
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break;
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}
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case GST_QUERY_SEEKING:{
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gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
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if (format == GST_FORMAT_TIME || format == GST_FORMAT_DEFAULT) {
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gboolean seekable;
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gint64 duration = -1;
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gst_pad_query_duration (pad, &format, &duration);
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/* can't seek in streaming mode yet */
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GST_OBJECT_LOCK (wavpackparse);
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seekable = (wavpackparse->adapter != NULL);
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GST_OBJECT_UNLOCK (wavpackparse);
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gst_query_set_seeking (query, GST_FORMAT_TIME, seekable, 0, duration);
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ret = TRUE;
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}
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break;
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}
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default:{
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ret = gst_pad_query_default (pad, query);
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break;
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@ -433,6 +473,11 @@ gst_wavpack_parse_handle_seek_event (GstWavpackParse * wvparse,
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gint64 chunk_start; /* first sample in chunk we seek to */
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guint rate;
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if (wvparse->adapter) {
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GST_DEBUG_OBJECT (wvparse, "seeking in streaming mode not implemented yet");
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return FALSE;
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}
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gst_event_parse_seek (event, &speed, &format, &seek_flags, &start_type,
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&start, &stop_type, &stop);
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@ -544,14 +589,41 @@ gst_wavpack_parse_sink_event (GstPad * pad, GstEvent * event)
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parse = GST_WAVPACK_PARSE (gst_pad_get_parent (pad));
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/* stream lock is recursive, should be fine for all events */
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GST_PAD_STREAM_LOCK (pad);
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if (parse->srcpad == NULL) {
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parse->queued_events = g_list_append (parse->queued_events, event);
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} else {
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ret = gst_pad_push_event (parse->srcpad, event);
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_FLUSH_STOP:{
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if (parse->adapter) {
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gst_adapter_clear (parse->adapter);
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}
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ret = gst_pad_push_event (pad, event);
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break;
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}
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case GST_EVENT_NEWSEGMENT:{
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parse->need_newsegment = TRUE;
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gst_event_unref (event);
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ret = TRUE;
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break;
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}
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case GST_EVENT_EOS:{
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if (parse->adapter) {
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/* remove all bytes that are left in the adapter after EOS. They can't
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* be a complete Wavpack block and we can't do anything with them */
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gst_adapter_clear (parse->adapter);
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}
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ret = gst_pad_push_event (pad, event);
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break;
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}
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default:{
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/* stream lock is recursive, should be fine for all events */
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GST_PAD_STREAM_LOCK (pad);
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if (parse->srcpad == NULL) {
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parse->queued_events = g_list_append (parse->queued_events, event);
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} else {
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ret = gst_pad_push_event (parse->srcpad, event);
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}
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GST_PAD_STREAM_UNLOCK (pad);
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}
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}
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GST_PAD_STREAM_UNLOCK (pad);
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gst_object_unref (parse);
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return ret;
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@ -589,11 +661,13 @@ gst_wavpack_parse_init (GstWavpackParse * wavpackparse,
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wavpackparse->sinkpad = gst_pad_new_from_template (tmpl, "sink");
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gst_pad_set_activate_function (wavpackparse->sinkpad,
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GST_DEBUG_FUNCPTR (gst_wavepack_parse_sink_activate));
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_sink_activate));
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gst_pad_set_activatepull_function (wavpackparse->sinkpad,
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GST_DEBUG_FUNCPTR (gst_wavepack_parse_sink_activate_pull));
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_sink_activate_pull));
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gst_pad_set_event_function (wavpackparse->sinkpad,
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_sink_event));
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gst_pad_set_chain_function (wavpackparse->sinkpad,
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_chain));
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gst_element_add_pad (GST_ELEMENT (wavpackparse), wavpackparse->sinkpad);
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@ -738,6 +812,8 @@ gst_wavpack_parse_create_src_pad (GstWavpackParse * wvparse, GstBuffer * buf,
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gst_pad_set_query_function (wvparse->srcpad,
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_src_query));
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gst_pad_set_query_type_function (wvparse->srcpad,
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_get_src_query_types));
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gst_pad_set_event_function (wvparse->srcpad,
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GST_DEBUG_FUNCPTR (gst_wavpack_parse_src_event));
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@ -752,6 +828,43 @@ gst_wavpack_parse_create_src_pad (GstWavpackParse * wvparse, GstBuffer * buf,
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return TRUE;
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}
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static GstFlowReturn
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gst_wavpack_parse_push_buffer (GstWavpackParse * wvparse, GstBuffer * buf,
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WavpackHeader * header)
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{
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wvparse->current_offset += header->ckSize + 8;
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wvparse->segment.last_stop = header->block_index;
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if (wvparse->need_newsegment) {
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if (gst_wavpack_parse_send_newsegment (wvparse, FALSE))
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wvparse->need_newsegment = FALSE;
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}
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/* send any queued events */
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if (wvparse->queued_events) {
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GList *l;
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for (l = wvparse->queued_events; l != NULL; l = l->next) {
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gst_pad_push_event (wvparse->srcpad, GST_EVENT (l->data));
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}
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g_list_free (wvparse->queued_events);
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wvparse->queued_events = NULL;
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}
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GST_BUFFER_TIMESTAMP (buf) = gst_util_uint64_scale_int (header->block_index,
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GST_SECOND, wvparse->samplerate);
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GST_BUFFER_DURATION (buf) = gst_util_uint64_scale_int (header->block_samples,
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GST_SECOND, wvparse->samplerate);
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GST_BUFFER_OFFSET (buf) = header->block_index;
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gst_buffer_set_caps (buf, GST_PAD_CAPS (wvparse->srcpad));
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GST_LOG_OBJECT (wvparse, "Pushing buffer with time %" GST_TIME_FORMAT,
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
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return gst_pad_push (wvparse->srcpad, buf);
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}
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static void
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gst_wavpack_parse_loop (GstElement * element)
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{
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@ -797,37 +910,7 @@ gst_wavpack_parse_loop (GstElement * element)
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gst_wavpack_parse_index_append_entry (wavpackparse,
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wavpackparse->current_offset, header.block_index, header.block_samples);
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wavpackparse->current_offset += header.ckSize + 8;
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wavpackparse->segment.last_stop = header.block_index;
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if (wavpackparse->need_newsegment) {
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if (gst_wavpack_parse_send_newsegment (wavpackparse, FALSE))
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wavpackparse->need_newsegment = FALSE;
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}
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/* send any queued events */
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if (wavpackparse->queued_events) {
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GList *l;
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for (l = wavpackparse->queued_events; l != NULL; l = l->next) {
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gst_pad_push_event (wavpackparse->srcpad, GST_EVENT (l->data));
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}
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g_list_free (wavpackparse->queued_events);
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wavpackparse->queued_events = NULL;
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}
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GST_BUFFER_TIMESTAMP (buf) = gst_util_uint64_scale_int (header.block_index,
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GST_SECOND, wavpackparse->samplerate);
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GST_BUFFER_DURATION (buf) = gst_util_uint64_scale_int (header.block_samples,
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GST_SECOND, wavpackparse->samplerate);
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GST_BUFFER_OFFSET (buf) = header.block_index;
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gst_buffer_set_caps (buf, GST_PAD_CAPS (wavpackparse->srcpad));
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GST_LOG_OBJECT (wavpackparse, "Pushing buffer with time %" GST_TIME_FORMAT,
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
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flow_ret = gst_pad_push (wavpackparse->srcpad, buf);
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flow_ret = gst_wavpack_parse_push_buffer (wavpackparse, buf, &header);
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if (flow_ret != GST_FLOW_OK) {
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GST_DEBUG_OBJECT (wavpackparse, "Push failed, flow: %s",
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gst_flow_get_name (flow_ret));
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@ -852,6 +935,61 @@ pause:
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}
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}
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static GstFlowReturn
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gst_wavpack_parse_chain (GstPad * pad, GstBuffer * buf)
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{
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GstWavpackParse *wvparse = GST_WAVPACK_PARSE (GST_PAD_PARENT (pad));
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GstFlowReturn ret = GST_FLOW_OK;
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WavpackHeader wph;
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const guint8 *tmp_buf;
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if (!wvparse->adapter) {
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wvparse->adapter = gst_adapter_new ();
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}
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if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT)) {
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gst_adapter_clear (wvparse->adapter);
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}
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gst_adapter_push (wvparse->adapter, buf);
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if (gst_adapter_available (wvparse->adapter) < sizeof (WavpackHeader))
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return ret;
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tmp_buf = gst_adapter_peek (wvparse->adapter, sizeof (WavpackHeader));
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gst_wavpack_read_header (&wph, (guint8 *) tmp_buf);
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/* FIXME: should check for wavpack marker here and re-sync if not */
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while (gst_adapter_available (wvparse->adapter) >= wph.ckSize + 4 * 1 + 4) {
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GstBuffer *outbuf =
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gst_adapter_take_buffer (wvparse->adapter, wph.ckSize + 4 * 1 + 4);
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if (!outbuf)
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return GST_FLOW_ERROR;
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if (wvparse->srcpad == NULL) {
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if (!gst_wavpack_parse_create_src_pad (wvparse, outbuf, &wph)) {
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GST_ELEMENT_ERROR (wvparse, STREAM, DECODE, (NULL), (NULL));
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ret = GST_FLOW_ERROR;
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break;
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}
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}
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ret = gst_wavpack_parse_push_buffer (wvparse, outbuf, &wph);
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if (ret != GST_FLOW_OK)
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break;
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if (gst_adapter_available (wvparse->adapter) >= sizeof (WavpackHeader)) {
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tmp_buf = gst_adapter_peek (wvparse->adapter, sizeof (WavpackHeader));
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gst_wavpack_read_header (&wph, (guint8 *) tmp_buf);
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}
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}
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return ret;
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}
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static GstStateChangeReturn
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gst_wavpack_parse_change_state (GstElement * element, GstStateChange transition)
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{
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@ -880,19 +1018,18 @@ gst_wavpack_parse_change_state (GstElement * element, GstStateChange transition)
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return ret;
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}
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static gboolean
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gst_wavepack_parse_sink_activate (GstPad * sinkpad)
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gst_wavpack_parse_sink_activate (GstPad * sinkpad)
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{
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if (gst_pad_check_pull_range (sinkpad)) {
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return gst_pad_activate_pull (sinkpad, TRUE);
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} else {
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||||
return FALSE;
|
||||
return gst_pad_activate_push (sinkpad, TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_wavepack_parse_sink_activate_pull (GstPad * sinkpad, gboolean active)
|
||||
gst_wavpack_parse_sink_activate_pull (GstPad * sinkpad, gboolean active)
|
||||
{
|
||||
gboolean result;
|
||||
|
||||
|
|
|
|||
|
|
@ -23,6 +23,7 @@
|
|||
#define __GST_WAVPACK_PARSE_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/base/gstadapter.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
|
@ -67,6 +68,8 @@ struct _GstWavpackParse
|
|||
GstSegment segment; /* the currently configured segment, in
|
||||
* samples/audio frames (DEFAULT format) */
|
||||
|
||||
GstAdapter *adapter; /* when operating chain-based, otherwise NULL */
|
||||
|
||||
/* Array of GstWavpackParseIndexEntry structs, mapping known
|
||||
* sample offsets to byte offsets. Is kept increasing without
|
||||
* gaps (ie. append only and consecutive entries must always
|
||||
|
|
|
|||
Loading…
Reference in a new issue