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goom2k1: port to 0.11

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This commit is contained in:
Mark Nauwelaerts 2012-02-16 23:33:01 +01:00
parent 594867fe37
commit 858468b9b1
3 changed files with 137 additions and 101 deletions
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2
configure.ac
View file

@ -311,7 +311,7 @@ dnl *** plug-ins to include ***
dnl Non ported plugins (non-dependant, then dependant)
dnl Make sure you have a space before and after all plugins
GST_PLUGINS_NONPORTED="deinterlace interleave flx goom2k1 \
GST_PLUGINS_NONPORTED="deinterlace interleave flx \
imagefreeze monoscope smpte \
videobox \
cairo cairo_gobject dv1394 gdk_pixbuf \

235
gst/goom2k1/gstgoom.c
View file

@ -42,6 +42,7 @@
#include <gst/gst.h>
#include "gstgoom.h"
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#include "goom_core.h"
GST_DEBUG_CATEGORY_STATIC (goom_debug);
@ -68,37 +69,44 @@ enum
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN)
#if G_BYTE_ORDER == G_BIG_ENDIAN
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("xRGB"))
#else
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("BGRx"))
#endif
);
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", /* the name of the pads */
GST_PAD_SINK, /* type of the pad */
GST_PAD_ALWAYS, /* ALWAYS/SOMETIMES */
GST_STATIC_CAPS ("audio/x-raw-int, "
"endianness = (int) BYTE_ORDER, "
"signed = (boolean) TRUE, "
"width = (int) 16, "
"depth = (int) 16, "
"rate = (int) [ 8000, 96000 ], " "channels = (int) { 1, 2 }")
GST_STATIC_CAPS ("audio/x-raw, "
"format = (string) " GST_AUDIO_NE (S16) ", "
"rate = (int) [ 8000, 96000 ], "
"channels = (int) 1, "
"layout = (string) interleaved; "
"audio/x-raw, "
"format = (string) " GST_AUDIO_NE (S16) ", "
"rate = (int) [ 8000, 96000 ], "
"channels = (int) 2, "
"channel-mask = (bitmask) 0x3, " "layout = (string) interleaved")
);
static void gst_goom_class_init (GstGoomClass * klass);
static void gst_goom_base_init (GstGoomClass * klass);
static void gst_goom_init (GstGoom * goom);
static void gst_goom_finalize (GObject * object);
static GstStateChangeReturn gst_goom_change_state (GstElement * element,
GstStateChange transition);
static GstFlowReturn gst_goom_chain (GstPad * pad, GstBuffer * buffer);
static gboolean gst_goom_src_event (GstPad * pad, GstEvent * event);
static gboolean gst_goom_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_goom_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer);
static gboolean gst_goom_src_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_goom_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_goom_src_query (GstPad * pad, GstQuery * query);
static gboolean gst_goom_sink_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_goom_src_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_goom_src_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static GstElementClass *parent_class = NULL;
@ -110,7 +118,7 @@ gst_goom_get_type (void)
if (!type) {
static const GTypeInfo info = {
sizeof (GstGoomClass),
(GBaseInitFunc) gst_goom_base_init,
NULL,
NULL,
(GClassInitFunc) gst_goom_class_init,
NULL,
@ -125,21 +133,6 @@ gst_goom_get_type (void)
return type;
}
static void
gst_goom_base_init (GstGoomClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details_simple (element_class,
"GOOM: what a GOOM! 2k1 edition", "Visualization",
"Takes frames of data and outputs video frames using the GOOM 2k1 filter",
"Wim Taymans <wim@fluendo.com>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
}
static void
gst_goom_class_init (GstGoomClass * klass)
{
@ -155,6 +148,15 @@ gst_goom_class_init (GstGoomClass * klass)
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_goom_change_state);
gst_element_class_set_details_simple (gstelement_class,
"GOOM: what a GOOM! 2k1 edition", "Visualization",
"Takes frames of data and outputs video frames using the GOOM 2k1 filter",
"Wim Taymans <wim@fluendo.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_template));
GST_DEBUG_CATEGORY_INIT (goom_debug, "goom", 0, "goom visualisation element");
}
@ -167,13 +169,9 @@ gst_goom_init (GstGoom * goom)
GST_DEBUG_FUNCPTR (gst_goom_chain));
gst_pad_set_event_function (goom->sinkpad,
GST_DEBUG_FUNCPTR (gst_goom_sink_event));
gst_pad_set_setcaps_function (goom->sinkpad,
GST_DEBUG_FUNCPTR (gst_goom_sink_setcaps));
gst_element_add_pad (GST_ELEMENT (goom), goom->sinkpad);
goom->srcpad = gst_pad_new_from_static_template (&src_template, "src");
gst_pad_set_setcaps_function (goom->srcpad,
GST_DEBUG_FUNCPTR (gst_goom_src_setcaps));
gst_pad_set_event_function (goom->srcpad,
GST_DEBUG_FUNCPTR (gst_goom_src_event));
gst_pad_set_query_function (goom->srcpad,
@ -218,14 +216,11 @@ gst_goom_reset (GstGoom * goom)
}
static gboolean
gst_goom_sink_setcaps (GstPad * pad, GstCaps * caps)
gst_goom_sink_setcaps (GstGoom * goom, GstCaps * caps)
{
GstGoom *goom;
GstStructure *structure;
gboolean res;
goom = GST_GOOM (GST_PAD_PARENT (pad));
structure = gst_caps_get_structure (caps, 0);
res = gst_structure_get_int (structure, "channels", &goom->channels);
@ -237,20 +232,17 @@ gst_goom_sink_setcaps (GstPad * pad, GstCaps * caps)
}
static gboolean
gst_goom_src_setcaps (GstPad * pad, GstCaps * caps)
gst_goom_src_setcaps (GstGoom * goom, GstCaps * caps)
{
GstGoom *goom;
GstStructure *structure;
goom = GST_GOOM (GST_PAD_PARENT (pad));
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "width", &goom->width) ||
!gst_structure_get_int (structure, "height", &goom->height) ||
!gst_structure_get_fraction (structure, "framerate", &goom->fps_n,
&goom->fps_d))
return FALSE;
goto error;
goom_set_resolution (&(goom->goomdata), goom->width, goom->height);
@ -264,7 +256,14 @@ gst_goom_src_setcaps (GstPad * pad, GstCaps * caps)
GST_DEBUG_OBJECT (goom, "dimension %dx%d, framerate %d/%d, spf %d",
goom->width, goom->height, goom->fps_n, goom->fps_d, goom->spf);
return TRUE;
return gst_pad_push_event (goom->srcpad, gst_event_new_caps (caps));
/* ERRORS */
error:
{
GST_DEBUG_OBJECT (goom, "error parsing caps");
return FALSE;
}
}
static gboolean
@ -273,13 +272,16 @@ gst_goom_src_negotiate (GstGoom * goom)
GstCaps *othercaps, *target;
GstStructure *structure;
const GstCaps *templ;
GstQuery *query;
GstBufferPool *pool = NULL;
guint size, min, max, prefix, alignment;
templ = gst_pad_get_pad_template_caps (goom->srcpad);
GST_DEBUG_OBJECT (goom, "performing negotiation");
/* see what the peer can do */
othercaps = gst_pad_peer_get_caps (goom->srcpad);
othercaps = gst_pad_peer_query_caps (goom->srcpad, NULL);
if (othercaps) {
target = gst_caps_intersect (othercaps, templ);
gst_caps_unref (othercaps);
@ -298,7 +300,42 @@ gst_goom_src_negotiate (GstGoom * goom)
gst_structure_fixate_field_nearest_fraction (structure, "framerate",
DEFAULT_FPS_N, DEFAULT_FPS_D);
gst_pad_set_caps (goom->srcpad, target);
gst_goom_src_setcaps (goom, target);
/* try to get a bufferpool now */
/* find a pool for the negotiated caps now */
query = gst_query_new_allocation (target, TRUE);
if (gst_pad_peer_query (goom->srcpad, query)) {
/* we got configuration from our peer, parse them */
gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
&alignment, &pool);
} else {
size = goom->outsize;
min = max = 0;
prefix = 0;
alignment = 0;
}
if (pool == NULL) {
GstStructure *config;
/* we did not get a pool, make one ourselves then */
pool = gst_buffer_pool_new ();
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set (config, target, size, min, max, prefix,
alignment);
gst_buffer_pool_set_config (pool, config);
}
if (goom->pool)
gst_object_unref (goom->pool);
goom->pool = pool;
/* and activate */
gst_buffer_pool_set_active (pool, TRUE);
gst_caps_unref (target);
return TRUE;
@ -311,12 +348,12 @@ no_format:
}
static gboolean
gst_goom_src_event (GstPad * pad, GstEvent * event)
gst_goom_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res;
GstGoom *goom;
goom = GST_GOOM (gst_pad_get_parent (pad));
goom = GST_GOOM (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
@ -325,7 +362,7 @@ gst_goom_src_event (GstPad * pad, GstEvent * event)
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, &timestamp);
gst_event_parse_qos (event, NULL, &proportion, &diff, &timestamp);
/* save stuff for the _chain() function */
GST_OBJECT_LOCK (goom);
@ -345,20 +382,27 @@ gst_goom_src_event (GstPad * pad, GstEvent * event)
res = gst_pad_push_event (goom->sinkpad, event);
break;
}
gst_object_unref (goom);
return res;
}
static gboolean
gst_goom_sink_event (GstPad * pad, GstEvent * event)
gst_goom_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res;
GstGoom *goom;
goom = GST_GOOM (gst_pad_get_parent (pad));
goom = GST_GOOM (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_goom_sink_setcaps (goom, caps);
break;
}
case GST_EVENT_FLUSH_START:
res = gst_pad_push_event (goom->srcpad, event);
break;
@ -366,22 +410,12 @@ gst_goom_sink_event (GstPad * pad, GstEvent * event)
gst_goom_reset (goom);
res = gst_pad_push_event (goom->srcpad, event);
break;
case GST_EVENT_NEWSEGMENT:
case GST_EVENT_SEGMENT:
{
GstFormat format;
gdouble rate, arate;
gint64 start, stop, time;
gboolean update;
/* the newsegment values are used to clip the input samples
* and to convert the incomming timestamps to running time so
* we can do QoS */
gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
&start, &stop, &time);
/* now configure the values */
gst_segment_set_newsegment_full (&goom->segment, update,
rate, arate, format, start, stop, time);
gst_event_copy_segment (event, &goom->segment);
res = gst_pad_push_event (goom->srcpad, event);
break;
@ -390,18 +424,17 @@ gst_goom_sink_event (GstPad * pad, GstEvent * event)
res = gst_pad_push_event (goom->srcpad, event);
break;
}
gst_object_unref (goom);
return res;
}
static gboolean
gst_goom_src_query (GstPad * pad, GstQuery * query)
gst_goom_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res;
GstGoom *goom;
goom = GST_GOOM (gst_pad_get_parent (pad));
goom = GST_GOOM (parent);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:
@ -443,55 +476,51 @@ gst_goom_src_query (GstPad * pad, GstQuery * query)
break;
}
default:
res = gst_pad_peer_query (goom->sinkpad, query);
res = gst_pad_query_default (pad, parent, query);
break;
}
gst_object_unref (goom);
return res;
}
/* make sure we are negotiated */
static GstFlowReturn
get_buffer (GstGoom * goom, GstBuffer ** outbuf)
ensure_negotiated (GstGoom * goom)
{
GstFlowReturn ret;
gboolean reconfigure;
if (GST_PAD_CAPS (goom->srcpad) == NULL) {
reconfigure = gst_pad_check_reconfigure (goom->srcpad);
/* we don't know an output format yet, pick one */
if (reconfigure || !gst_pad_has_current_caps (goom->srcpad)) {
if (!gst_goom_src_negotiate (goom))
return GST_FLOW_NOT_NEGOTIATED;
}
GST_DEBUG_OBJECT (goom, "allocating output buffer with caps %"
GST_PTR_FORMAT, GST_PAD_CAPS (goom->srcpad));
ret =
gst_pad_alloc_buffer_and_set_caps (goom->srcpad,
GST_BUFFER_OFFSET_NONE, goom->outsize,
GST_PAD_CAPS (goom->srcpad), outbuf);
if (ret != GST_FLOW_OK)
return ret;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_goom_chain (GstPad * pad, GstBuffer * buffer)
gst_goom_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstGoom *goom;
GstFlowReturn ret;
GstBuffer *outbuf = NULL;
goom = GST_GOOM (gst_pad_get_parent (pad));
goom = GST_GOOM (parent);
/* If we don't have an output format yet, preallocate a buffer to try and
* set one */
if (GST_PAD_CAPS (goom->srcpad) == NULL) {
ret = get_buffer (goom, &outbuf);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (buffer);
goto beach;
}
if (goom->bps == 0) {
gst_buffer_unref (buffer);
ret = GST_FLOW_NOT_NEGOTIATED;
goto beach;
}
/* Make sure have an output format */
ret = ensure_negotiated (goom);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (buffer);
goto beach;
}
/* don't try to combine samples from discont buffer */
@ -501,7 +530,7 @@ gst_goom_chain (GstPad * pad, GstBuffer * buffer)
GST_DEBUG_OBJECT (goom,
"Input buffer has %d samples, time=%" G_GUINT64_FORMAT,
GST_BUFFER_SIZE (buffer) / goom->bps, GST_BUFFER_TIMESTAMP (buffer));
gst_buffer_get_size (buffer) / goom->bps, GST_BUFFER_TIMESTAMP (buffer));
/* Collect samples until we have enough for an output frame */
gst_adapter_push (goom->adapter, buffer);
@ -559,7 +588,7 @@ gst_goom_chain (GstPad * pad, GstBuffer * buffer)
/* get next GOOM_SAMPLES, we have at least this amount of samples */
data =
(const guint16 *) gst_adapter_peek (goom->adapter,
(const guint16 *) gst_adapter_map (goom->adapter,
GOOM_SAMPLES * goom->bps);
if (goom->channels == 2) {
@ -577,18 +606,21 @@ gst_goom_chain (GstPad * pad, GstBuffer * buffer)
/* alloc a buffer if we don't have one yet, this happens
* when we pushed a buffer in this while loop before */
if (outbuf == NULL) {
ret = get_buffer (goom, &outbuf);
GST_DEBUG_OBJECT (goom, "allocating output buffer");
ret = gst_buffer_pool_acquire_buffer (goom->pool, &outbuf, NULL);
if (ret != GST_FLOW_OK) {
gst_adapter_unmap (goom->adapter);
goto beach;
}
}
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_DURATION (outbuf) = goom->duration;
GST_BUFFER_SIZE (outbuf) = goom->outsize;
out_frame = (guchar *) goom_update (&(goom->goomdata), goom->datain);
memcpy (GST_BUFFER_DATA (outbuf), out_frame, goom->outsize);
gst_buffer_fill (outbuf, 0, out_frame, goom->outsize);
gst_adapter_unmap (goom->adapter);
GST_DEBUG ("Pushing frame with time=%" GST_TIME_FORMAT ", duration=%"
GST_TIME_FORMAT, GST_TIME_ARGS (timestamp),
@ -614,7 +646,6 @@ gst_goom_chain (GstPad * pad, GstBuffer * buffer)
gst_buffer_unref (outbuf);
beach:
gst_object_unref (goom);
return ret;
}
@ -639,6 +670,10 @@ gst_goom_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (goom->pool) {
gst_buffer_pool_set_active (goom->pool, FALSE);
gst_object_replace ((GstObject **) & goom->pool, NULL);
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;

1
gst/goom2k1/gstgoom.h
View file

@ -57,6 +57,7 @@ struct _GstGoom
gint height;
GstClockTime duration;
guint outsize;
GstBufferPool *pool;
/* samples per frame */
guint spf;