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Diffstat (limited to 'gst/y4m/gsty4mencode.c')
-rw-r--r--gst/y4m/gsty4mencode.c204
1 files changed, 97 insertions, 107 deletions
diff --git a/gst/y4m/gsty4mencode.c b/gst/y4m/gsty4mencode.c
index d27ff613..3c9c9fbe 100644
--- a/gst/y4m/gsty4mencode.c
+++ b/gst/y4m/gsty4mencode.c
@@ -26,83 +26,74 @@
#include <gst/video/video.h>
#include "gsty4mencode.h"
-static GstElementDetails y4mencode_details = GST_ELEMENT_DETAILS (
- "Y4mEncode",
- "Codec/Encoder/Video",
- "Encodes a YUV frame into the yuv4mpeg format (mjpegtools)",
- "Wim Taymans <wim.taymans@chello.be>"
-);
+static GstElementDetails y4mencode_details = GST_ELEMENT_DETAILS ("Y4mEncode",
+ "Codec/Encoder/Video",
+ "Encodes a YUV frame into the yuv4mpeg format (mjpegtools)",
+ "Wim Taymans <wim.taymans@chello.be>");
/* Filter signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0
};
static GstStaticPadTemplate y4mencode_src_factory =
-GST_STATIC_PAD_TEMPLATE (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("application/x-yuv4mpeg, "
- "y4mversion = (int) 1"
- )
-);
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-yuv4mpeg, " "y4mversion = (int) 1")
+ );
static GstStaticPadTemplate y4mencode_sink_factory =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
-);
-
-static void gst_y4mencode_base_init (gpointer g_class);
-static void gst_y4mencode_class_init (GstY4mEncodeClass *klass);
-static void gst_y4mencode_init (GstY4mEncode *filter);
-
-static void gst_y4mencode_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gst_y4mencode_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-
-static void gst_y4mencode_chain (GstPad *pad,
- GstData *_data);
-static GstElementStateReturn
- gst_y4mencode_change_state (GstElement *element);
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+ );
+
+static void gst_y4mencode_base_init (gpointer g_class);
+static void gst_y4mencode_class_init (GstY4mEncodeClass * klass);
+static void gst_y4mencode_init (GstY4mEncode * filter);
+
+static void gst_y4mencode_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_y4mencode_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
+
+static void gst_y4mencode_chain (GstPad * pad, GstData * _data);
+static GstElementStateReturn gst_y4mencode_change_state (GstElement * element);
static GstElementClass *parent_class = NULL;
+
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
GType
-gst_y4mencode_get_type(void) {
+gst_y4mencode_get_type (void)
+{
static GType y4mencode_type = 0;
if (!y4mencode_type) {
static const GTypeInfo y4mencode_info = {
- sizeof(GstY4mEncodeClass),
+ sizeof (GstY4mEncodeClass),
gst_y4mencode_base_init,
NULL,
- (GClassInitFunc)gst_y4mencode_class_init,
+ (GClassInitFunc) gst_y4mencode_class_init,
NULL,
NULL,
- sizeof(GstY4mEncode),
+ sizeof (GstY4mEncode),
0,
- (GInstanceInitFunc)gst_y4mencode_init,
+ (GInstanceInitFunc) gst_y4mencode_init,
};
- y4mencode_type = g_type_register_static(GST_TYPE_ELEMENT,
- "GstY4mEncode",
- &y4mencode_info, 0);
+ y4mencode_type = g_type_register_static (GST_TYPE_ELEMENT,
+ "GstY4mEncode", &y4mencode_info, 0);
}
return y4mencode_type;
}
@@ -112,23 +103,23 @@ static void
gst_y4mencode_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&y4mencode_src_factory));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&y4mencode_sink_factory));
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&y4mencode_src_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&y4mencode_sink_factory));
gst_element_class_set_details (element_class, &y4mencode_details);
}
static void
-gst_y4mencode_class_init (GstY4mEncodeClass *klass)
+gst_y4mencode_class_init (GstY4mEncodeClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gstelement_class->change_state = gst_y4mencode_change_state;
@@ -137,16 +128,16 @@ gst_y4mencode_class_init (GstY4mEncodeClass *klass)
}
static GstPadLinkReturn
-gst_y4mencode_sinkconnect (GstPad *pad, const GstCaps *caps)
+gst_y4mencode_sinkconnect (GstPad * pad, const GstCaps * caps)
{
GstY4mEncode *filter;
gint idx = -1, i;
gdouble fps;
gdouble framerates[] = {
00.000,
- 23.976, 24.000, /* 24fps movie */
- 25.000, /* PAL */
- 29.970, 30.000, /* NTSC */
+ 23.976, 24.000, /* 24fps movie */
+ 25.000, /* PAL */
+ 29.970, 30.000, /* NTSC */
50.000,
59.940, 60.000
};
@@ -156,20 +147,20 @@ gst_y4mencode_sinkconnect (GstPad *pad, const GstCaps *caps)
structure = gst_caps_get_structure (caps, 0);
- gst_structure_get_int (structure, "width", &filter->width);
- gst_structure_get_int (structure, "height", &filter->height);
- gst_structure_get_double (structure, "framerate", &fps);
+ gst_structure_get_int (structure, "width", &filter->width);
+ gst_structure_get_int (structure, "height", &filter->height);
+ gst_structure_get_double (structure, "framerate", &fps);
/* find fps idx */
for (i = 1; i < 9; i++) {
if (idx == -1) {
- idx = i;
+ idx = i;
} else {
- gdouble old_diff = fabs(framerates[idx] - fps),
- new_diff = fabs(framerates[i] - fps);
+ gdouble old_diff = fabs (framerates[idx] - fps),
+ new_diff = fabs (framerates[i] - fps);
if (new_diff < old_diff) {
- idx = i;
+ idx = i;
}
}
}
@@ -179,37 +170,39 @@ gst_y4mencode_sinkconnect (GstPad *pad, const GstCaps *caps)
}
static void
-gst_y4mencode_init (GstY4mEncode *filter)
+gst_y4mencode_init (GstY4mEncode * filter)
{
- filter->sinkpad = gst_pad_new_from_template(
- gst_static_pad_template_get (&y4mencode_sink_factory), "sink");
+ filter->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&y4mencode_sink_factory), "sink");
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_pad_set_chain_function (filter->sinkpad, gst_y4mencode_chain);
gst_pad_set_link_function (filter->sinkpad, gst_y4mencode_sinkconnect);
- filter->srcpad = gst_pad_new_from_template(
- gst_static_pad_template_get (&y4mencode_src_factory), "src");
+ filter->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&y4mencode_src_factory), "src");
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->init = TRUE;
}
static void
-gst_y4mencode_chain (GstPad *pad,GstData *_data)
+gst_y4mencode_chain (GstPad * pad, GstData * _data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstY4mEncode *filter;
- GstBuffer* outbuf;
+ GstBuffer *outbuf;
gchar *header;
gint len;
- g_return_if_fail(pad != NULL);
- g_return_if_fail(GST_IS_PAD(pad));
- g_return_if_fail(buf != NULL);
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
filter = GST_Y4MENCODE (gst_pad_get_parent (pad));
- g_return_if_fail(filter != NULL);
- g_return_if_fail(GST_IS_Y4MENCODE(filter));
+ g_return_if_fail (filter != NULL);
+ g_return_if_fail (GST_IS_Y4MENCODE (filter));
outbuf = gst_buffer_new ();
GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (buf) + 256);
@@ -217,31 +210,32 @@ gst_y4mencode_chain (GstPad *pad,GstData *_data)
if (filter->init) {
header = "YUV4MPEG %d %d %d\nFRAME\n";
filter->init = FALSE;
- }
- else {
+ } else {
header = "FRAME\n";
}
snprintf (GST_BUFFER_DATA (outbuf), 255, header,
- filter->width, filter->height, filter->fps_idx);
+ filter->width, filter->height, filter->fps_idx);
len = strlen (GST_BUFFER_DATA (outbuf));
- memcpy (GST_BUFFER_DATA (outbuf) + len, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
+ memcpy (GST_BUFFER_DATA (outbuf) + len, GST_BUFFER_DATA (buf),
+ GST_BUFFER_SIZE (buf));
GST_BUFFER_SIZE (outbuf) = GST_BUFFER_SIZE (buf) + len;
- gst_buffer_unref(buf);
+ gst_buffer_unref (buf);
- gst_pad_push(filter->srcpad,GST_DATA (outbuf));
+ gst_pad_push (filter->srcpad, GST_DATA (outbuf));
}
static void
-gst_y4mencode_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_y4mencode_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
GstY4mEncode *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_Y4MENCODE(object));
- filter = GST_Y4MENCODE(object);
+ g_return_if_fail (GST_IS_Y4MENCODE (object));
+ filter = GST_Y4MENCODE (object);
switch (prop_id) {
default:
@@ -250,13 +244,14 @@ gst_y4mencode_set_property (GObject *object, guint prop_id, const GValue *value,
}
static void
-gst_y4mencode_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_y4mencode_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstY4mEncode *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_Y4MENCODE(object));
- filter = GST_Y4MENCODE(object);
+ g_return_if_fail (GST_IS_Y4MENCODE (object));
+ filter = GST_Y4MENCODE (object);
switch (prop_id) {
default:
@@ -266,13 +261,13 @@ gst_y4mencode_get_property (GObject *object, guint prop_id, GValue *value, GPara
}
static GstElementStateReturn
-gst_y4mencode_change_state (GstElement *element)
+gst_y4mencode_change_state (GstElement * element)
{
GstY4mEncode *filter;
g_return_val_if_fail (GST_IS_Y4MENCODE (element), GST_STATE_FAILURE);
- filter = GST_Y4MENCODE(element);
+ filter = GST_Y4MENCODE (element);
if (GST_STATE_TRANSITION (element) == GST_STATE_NULL_TO_READY) {
filter->init = TRUE;
@@ -285,19 +280,14 @@ gst_y4mencode_change_state (GstElement *element)
}
static gboolean
-plugin_init (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- return gst_element_register (plugin, "y4menc", GST_RANK_NONE, GST_TYPE_Y4MENCODE);
+ return gst_element_register (plugin, "y4menc", GST_RANK_NONE,
+ GST_TYPE_Y4MENCODE);
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "y4menc",
- "Encodes a YUV frame into the yuv4mpeg format (mjpegtools)",
- plugin_init,
- VERSION,
- GST_LICENSE,
- GST_PACKAGE,
- GST_ORIGIN
-)
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "y4menc",
+ "Encodes a YUV frame into the yuv4mpeg format (mjpegtools)",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 08:55:55 +0000