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spanplc: Port to 1.0 API
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77d4a59969
commit
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3 changed files with 68 additions and 112 deletions
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@ -323,7 +323,7 @@ GST_PLUGINS_NONPORTED=" aiff \
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decklink fbdev linsys vcd \
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apexsink cdaudio cog dc1394 dirac directfb \
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gsettings jasper ladspa \
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musepack musicbrainz nas neon ofa openal rsvg sdl sndfile spandsp timidity \
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musepack musicbrainz nas neon ofa openal rsvg sdl sndfile timidity \
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directsound directdraw direct3d9 acm wininet \
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wildmidi xvid lv2 teletextdec sndio uvch264"
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AC_SUBST(GST_PLUGINS_NONPORTED)
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@ -34,7 +34,9 @@
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#include "gstspanplc.h"
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GST_BOILERPLATE (GstSpanPlc, gst_span_plc, GstElement, GST_TYPE_ELEMENT);
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#include <gst/audio/audio.h>
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G_DEFINE_TYPE (GstSpanPlc, gst_span_plc, GST_TYPE_ELEMENT);
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GST_DEBUG_CATEGORY_STATIC (gst_span_plc_debug);
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#define GST_CAT_DEFAULT gst_span_plc_debug
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@ -43,44 +45,26 @@ GST_DEBUG_CATEGORY_STATIC (gst_span_plc_debug);
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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"endianness = (int) BYTE_ORDER, signed = (bool) TRUE, "
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"width = (int) 16, depth = (int) 16, "
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"rate = (int) [ 1, MAX ], channels = (int) 1")
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GST_STATIC_CAPS ("audio/x-raw, format=\"" GST_AUDIO_NE (S16) "\", "
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"rate = " GST_AUDIO_RATE_RANGE " , channels = (int) 1")
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);
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static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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"endianness = (int) BYTE_ORDER, signed = (bool) TRUE, "
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"width = (int) 16, depth = (int) 16, "
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"rate = (int) [ 1, MAX ], channels = (int) 1")
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GST_STATIC_CAPS ("audio/x-raw, format=\"" GST_AUDIO_NE (S16) "\", "
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"rate = " GST_AUDIO_RATE_RANGE " , channels = (int) 1")
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);
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static void gst_span_plc_dispose (GObject * object);
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static GstStateChangeReturn gst_span_plc_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_span_plc_setcaps_sink (GstPad * pad, GstCaps * caps);
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static GstFlowReturn gst_span_plc_chain (GstPad * pad, GstBuffer * buf);
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static gboolean gst_span_plc_event_sink (GstPad * pad, GstEvent * event);
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static void
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gst_span_plc_base_init (gpointer gclass)
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{
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GstElementClass *element_class = (GstElementClass *) gclass;
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_factory));
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gst_element_class_set_details_simple (element_class, "SpanDSP PLC",
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"Filter/Effect/Audio",
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"Adds packet loss concealment to audio",
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"Youness Alaoui <youness.alaoui@collabora.co.uk>");
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}
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static void gst_span_plc_setcaps_sink (GstSpanPlc * plc, GstCaps * caps);
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static GstFlowReturn gst_span_plc_chain (GstPad * pad, GstObject * parent,
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GstBuffer * buf);
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static gboolean gst_span_plc_event_sink (GstPad * pad, GstObject * parent,
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GstEvent * event);
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/* initialize the plugin's class */
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static void
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@ -89,6 +73,16 @@ gst_span_plc_class_init (GstSpanPlcClass * klass)
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstElementClass *gstelement_class = (GstElementClass *) klass;
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_factory));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sink_factory));
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gst_element_class_set_details_simple (gstelement_class, "SpanDSP PLC",
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"Filter/Effect/Audio",
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"Adds packet loss concealment to audio",
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"Youness Alaoui <youness.alaoui@collabora.co.uk>");
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gobject_class->dispose = gst_span_plc_dispose;
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gstelement_class->change_state =
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@ -96,27 +90,19 @@ gst_span_plc_class_init (GstSpanPlcClass * klass)
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GST_DEBUG_CATEGORY_INIT (gst_span_plc_debug, "spanplc",
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0, "spanDSP's packet loss concealment");
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}
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static void
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gst_span_plc_init (GstSpanPlc * plc, GstSpanPlcClass * gclass)
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gst_span_plc_init (GstSpanPlc * plc)
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{
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GST_DEBUG_OBJECT (plc, "init");
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plc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
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plc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
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gst_pad_set_setcaps_function (plc->sinkpad,
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GST_DEBUG_FUNCPTR (gst_span_plc_setcaps_sink));
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gst_pad_set_getcaps_function (plc->srcpad,
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GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
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gst_pad_set_getcaps_function (plc->sinkpad,
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GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
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gst_pad_set_chain_function (plc->sinkpad,
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GST_DEBUG_FUNCPTR (gst_span_plc_chain));
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gst_pad_set_event_function (plc->sinkpad,
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GST_DEBUG_FUNCPTR (gst_span_plc_event_sink));
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@ -124,7 +110,6 @@ gst_span_plc_init (GstSpanPlc * plc, GstSpanPlcClass * gclass)
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gst_element_add_pad (GST_ELEMENT (plc), plc->sinkpad);
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plc->plc_state = NULL;
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plc->last_stop = GST_CLOCK_TIME_NONE;
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GST_DEBUG_OBJECT (plc, "init complete");
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}
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@ -138,7 +123,7 @@ gst_span_plc_dispose (GObject * object)
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plc_free (plc->plc_state);
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plc->plc_state = NULL;
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G_OBJECT_CLASS (parent_class)->dispose (object);
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G_OBJECT_CLASS (gst_span_plc_parent_class)->dispose (object);
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}
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static void
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@ -150,7 +135,6 @@ gst_span_plc_flush (GstSpanPlc * plc, gboolean renew)
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plc->plc_state = plc_init (NULL);
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else
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plc->plc_state = NULL;
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plc->last_stop = GST_CLOCK_TIME_NONE;
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}
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static GstStateChangeReturn
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@ -167,7 +151,8 @@ gst_span_plc_change_state (GstElement * element, GstStateChange transition)
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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ret = GST_ELEMENT_CLASS (gst_span_plc_parent_class)->change_state (element,
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transition);
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_NULL:
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@ -179,108 +164,86 @@ gst_span_plc_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_span_plc_setcaps_sink (GstPad * pad, GstCaps * caps)
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static void
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gst_span_plc_setcaps_sink (GstSpanPlc * plc, GstCaps * caps)
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{
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GstSpanPlc *plc = GST_SPAN_PLC (gst_pad_get_parent (pad));
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GstStructure *s = NULL;
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gboolean ret = FALSE;
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gint sample_rate;
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ret = gst_pad_set_caps (plc->srcpad, caps);
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s = gst_caps_get_structure (caps, 0);
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if (s) {
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gst_structure_get_int (s, "rate", &plc->sample_rate);
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GST_DEBUG_OBJECT (plc, "setcaps: got sample rate : %d", plc->sample_rate);
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}
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if (!s)
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return;
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gst_structure_get_int (s, "rate", &sample_rate);
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if (sample_rate != plc->sample_rate) {
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GST_DEBUG_OBJECT (plc, "setcaps: got sample rate : %d", sample_rate);
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plc->sample_rate = sample_rate;
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gst_span_plc_flush (plc, TRUE);
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gst_object_unref (plc);
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return ret;
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}
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}
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static GstFlowReturn
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gst_span_plc_chain (GstPad * pad, GstBuffer * buffer)
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gst_span_plc_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
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{
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GstSpanPlc *plc = GST_SPAN_PLC (GST_PAD_PARENT (pad));
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GstClockTime buffer_duration;
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if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
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plc->last_stop = GST_BUFFER_TIMESTAMP (buffer);
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else
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GST_WARNING_OBJECT (plc, "Buffer has no timestamp!");
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if (GST_BUFFER_DURATION_IS_VALID (buffer)) {
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buffer_duration = GST_BUFFER_DURATION (buffer);
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} else {
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GST_WARNING_OBJECT (plc, "Buffer has no duration!");
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buffer_duration = (GST_BUFFER_SIZE (buffer) /
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(plc->sample_rate * sizeof (guint16))) * GST_SECOND;
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GST_DEBUG_OBJECT (plc, "Buffer duration : %" GST_TIME_FORMAT,
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GST_TIME_ARGS (buffer_duration));
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}
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plc->last_stop += buffer_duration;
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GstSpanPlc *plc = GST_SPAN_PLC (parent);
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GstMapInfo map;
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if (plc->plc_state->missing_samples != 0)
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buffer = gst_buffer_make_writable (buffer);
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plc_rx (plc->plc_state, (int16_t *) GST_BUFFER_DATA (buffer),
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GST_BUFFER_SIZE (buffer) / 2);
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gst_buffer_map (buffer, &map, GST_MAP_READWRITE);
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plc_rx (plc->plc_state, (int16_t *) map.data, map.size / 2);
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gst_buffer_unmap (buffer, &map);
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return gst_pad_push (plc->srcpad, buffer);
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}
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static void
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gst_span_plc_send_fillin (GstSpanPlc * plc, GstClockTime duration)
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gst_span_plc_send_fillin (GstSpanPlc * plc, GstClockTime timestamp,
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GstClockTime duration)
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{
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guint buf_size;
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GstBuffer *buffer = NULL;
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GstMapInfo map;
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buf_size = ((float) duration / GST_SECOND) * plc->sample_rate;
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buf_size *= sizeof (guint16);
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buffer = gst_buffer_new_and_alloc (buf_size);
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GST_DEBUG_OBJECT (plc, "Missing packet of %" GST_TIME_FORMAT
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" == %d bytes", GST_TIME_ARGS (duration), buf_size);
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plc_fillin (plc->plc_state, (int16_t *) GST_BUFFER_DATA (buffer),
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GST_BUFFER_SIZE (buffer) / 2);
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GST_BUFFER_TIMESTAMP (buffer) = plc->last_stop;
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gst_buffer_map (buffer, &map, GST_MAP_READWRITE);
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plc_fillin (plc->plc_state, (int16_t *) map.data, map.size / 2);
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gst_buffer_unmap (buffer, &map);
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GST_BUFFER_PTS (buffer) = timestamp;
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GST_BUFFER_DURATION (buffer) = duration;
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gst_buffer_set_caps (buffer, GST_PAD_CAPS (plc->srcpad));
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gst_pad_push (plc->srcpad, buffer);
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}
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static gboolean
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gst_span_plc_event_sink (GstPad * pad, GstEvent * event)
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gst_span_plc_event_sink (GstPad * pad, GstObject * parent, GstEvent * event)
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{
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GstSpanPlc *plc = GST_SPAN_PLC (parent);
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gboolean ret = FALSE;
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GstSpanPlc *plc = GST_SPAN_PLC (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT (plc, "received event %s", GST_EVENT_TYPE_NAME (event));
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_NEWSEGMENT:
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case GST_EVENT_CAPS:
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{
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GstFormat format;
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gdouble rate;
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gint64 start, stop, time;
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gboolean update;
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gst_event_parse_new_segment (event, &update, &rate, &format, &start,
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&stop, &time);
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if (format != GST_FORMAT_TIME)
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goto newseg_wrong_format;
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if (update) {
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/* time progressed without data, see if we can fill the gap with
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* some concealment data */
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if (plc->last_stop < start)
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gst_span_plc_send_fillin (plc, start - plc->last_stop);
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}
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plc->last_stop = start;
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GstCaps *caps;
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gst_event_parse_caps (event, &caps);
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gst_span_plc_setcaps_sink (plc, caps);
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break;
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}
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case GST_EVENT_FLUSH_START:
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case GST_EVENT_GAP:
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{
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GstClockTime timestamp;
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GstClockTime duration;
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gst_event_parse_gap (event, ×tamp, &duration);
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gst_span_plc_send_fillin (plc, timestamp, duration);
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break;
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}
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case GST_EVENT_FLUSH_STOP:
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gst_span_plc_flush (plc, TRUE);
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break;
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default:
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@ -291,10 +254,4 @@ gst_span_plc_event_sink (GstPad * pad, GstEvent * event)
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gst_object_unref (plc);
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return ret;
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newseg_wrong_format:
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{
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GST_DEBUG_OBJECT (plc, "received non TIME newsegment");
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gst_object_unref (plc);
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return FALSE;
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}
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}
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@ -44,7 +44,6 @@ struct _GstSpanPlc
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/* <private> */
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plc_state_t *plc_state;
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GstClockTime last_stop;
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gint sample_rate;
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};
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