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spanplc: Port to 1.0 API

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This commit is contained in:
Olivier Crête 2012-09-11 20:19:48 -04:00
parent 77d4a59969
commit f9320170cd
3 changed files with 68 additions and 112 deletions
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2
configure.ac
View file

@ -323,7 +323,7 @@ GST_PLUGINS_NONPORTED=" aiff \
decklink fbdev linsys vcd \
apexsink cdaudio cog dc1394 dirac directfb \
gsettings jasper ladspa \
musepack musicbrainz nas neon ofa openal rsvg sdl sndfile spandsp timidity \
musepack musicbrainz nas neon ofa openal rsvg sdl sndfile timidity \
directsound directdraw direct3d9 acm wininet \
wildmidi xvid lv2 teletextdec sndio uvch264"
AC_SUBST(GST_PLUGINS_NONPORTED)

177
ext/spandsp/gstspanplc.c
View file

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

1
ext/spandsp/gstspanplc.h
View file

@ -44,7 +44,6 @@ struct _GstSpanPlc
/* <private> */
plc_state_t *plc_state;
GstClockTime last_stop;
gint sample_rate;
};