mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-01-19 22:05:58 +00:00
Code Issues 1 Projects Releases Wiki Activity

jpeg: beginnings of porting to 0.11

Browse source
This commit is contained in:
Wim Taymans 2011-07-06 16:50:32 +02:00
parent a6d9995705
commit f70da0a542
1 changed files with 17 additions and 55 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

72
ext/jpeg/gstjpegenc.c
View file

@ -68,9 +68,6 @@ enum
};
static void gst_jpegenc_reset (GstJpegEnc * enc);
static void gst_jpegenc_base_init (gpointer g_class);
static void gst_jpegenc_class_init (GstJpegEnc * klass);
static void gst_jpegenc_init (GstJpegEnc * jpegenc);
static void gst_jpegenc_finalize (GObject * object);
static GstFlowReturn gst_jpegenc_chain (GstPad * pad, GstBuffer * buf);
@ -85,46 +82,19 @@ static void gst_jpegenc_get_property (GObject * object, guint prop_id,
static GstStateChangeReturn gst_jpegenc_change_state (GstElement * element,
GstStateChange transition);
static GstElementClass *parent_class = NULL;
static guint gst_jpegenc_signals[LAST_SIGNAL] = { 0 };
GType
gst_jpegenc_get_type (void)
{
static GType jpegenc_type = 0;
if (!jpegenc_type) {
static const GTypeInfo jpegenc_info = {
sizeof (GstJpegEnc),
(GBaseInitFunc) gst_jpegenc_base_init,
NULL,
(GClassInitFunc) gst_jpegenc_class_init,
NULL,
NULL,
sizeof (GstJpegEnc),
0,
(GInstanceInitFunc) gst_jpegenc_init,
};
jpegenc_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstJpegEnc", &jpegenc_info,
0);
}
return jpegenc_type;
}
#define gst_jpegenc_parent_class parent_class
G_DEFINE_TYPE (GstJpegEnc, gst_jpegenc, GST_TYPE_ELEMENT);
/* *INDENT-OFF* */
static GstStaticPadTemplate gst_jpegenc_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
("{ I420, YV12, YUY2, UYVY, Y41B, Y42B, YVYU, Y444 }") "; "
GST_VIDEO_CAPS_RGB "; " GST_VIDEO_CAPS_BGR "; "
GST_VIDEO_CAPS_RGBx "; " GST_VIDEO_CAPS_xRGB "; "
GST_VIDEO_CAPS_BGRx "; " GST_VIDEO_CAPS_xBGR "; "
GST_VIDEO_CAPS_GRAY8)
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE
("{ I420, YV12, YUY2, UYVY, Y41B, Y42B, YVYU, Y444, "
"RGB, BGR, RGBx, xRGB, BGRx, xBGR, GRAY8 }"))
);
/* *INDENT-ON* */
@ -137,22 +107,9 @@ GST_STATIC_PAD_TEMPLATE ("src",
"height = (int) [ 16, 65535 ], " "framerate = (fraction) [ 0/1, MAX ]")
);
static void
gst_jpegenc_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 (&gst_jpegenc_sink_pad_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_jpegenc_src_pad_template));
gst_element_class_set_details_simple (element_class, "JPEG image encoder",
"Codec/Encoder/Image",
"Encode images in JPEG format", "Wim Taymans <wim.taymans@tvd.be>");
}
static void
gst_jpegenc_class_init (GstJpegEnc * klass)
gst_jpegenc_class_init (GstJpegEncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
@ -160,17 +117,15 @@ gst_jpegenc_class_init (GstJpegEnc * klass)
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gst_jpegenc_finalize;
gobject_class->set_property = gst_jpegenc_set_property;
gobject_class->get_property = gst_jpegenc_get_property;
gst_jpegenc_signals[FRAME_ENCODED] =
g_signal_new ("frame-encoded", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstJpegEncClass, frame_encoded), NULL,
NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
gobject_class->set_property = gst_jpegenc_set_property;
gobject_class->get_property = gst_jpegenc_get_property;
g_object_class_install_property (gobject_class, PROP_QUALITY,
g_param_spec_int ("quality", "Quality", "Quality of encoding",
0, 100, JPEG_DEFAULT_QUALITY,
@ -192,7 +147,13 @@ gst_jpegenc_class_init (GstJpegEnc * klass)
gstelement_class->change_state = gst_jpegenc_change_state;
gobject_class->finalize = gst_jpegenc_finalize;
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_jpegenc_sink_pad_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_jpegenc_src_pad_template));
gst_element_class_set_details_simple (gstelement_class, "JPEG image encoder",
"Codec/Encoder/Image",
"Encode images in JPEG format", "Wim Taymans <wim.taymans@tvd.be>");
GST_DEBUG_CATEGORY_INIT (jpegenc_debug, "jpegenc", 0,
"JPEG encoding element");
@ -216,6 +177,7 @@ gst_jpegenc_flush_destination (j_compress_ptr cinfo)
/* Our output buffer wasn't big enough.
* Make a new buffer that's twice the size, */
old_buffer_size = GST_BUFFER_SIZE (jpegenc->output_buffer);
gst_pad_alloc_buffer_and_set_caps (jpegenc->srcpad,
GST_BUFFER_OFFSET_NONE, old_buffer_size * 2,
GST_PAD_CAPS (jpegenc->srcpad), &overflow_buffer);