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y4m: port to 0.11

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This commit is contained in:
Wim Taymans 2011-07-10 13:28:27 +02:00
parent 8926a8f753
commit 924012111f
1 changed files with 50 additions and 32 deletions
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82
gst/y4m/gsty4mencode.c
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@ -70,7 +70,7 @@ static GstStaticPadTemplate y4mencode_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ IYUV, I420, Y42B, Y41B, Y444 }"))
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ IYUV, I420, Y42B, Y41B, Y444 }"))
);
@ -81,28 +81,13 @@ static void gst_y4m_encode_get_property (GObject * object,
static void gst_y4m_encode_reset (GstY4mEncode * filter);
static gboolean gst_y4m_encode_setcaps (GstPad * pad, GstCaps * vscaps);
static gboolean gst_y4m_encode_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_y4m_encode_chain (GstPad * pad, GstBuffer * buf);
static GstStateChangeReturn gst_y4m_encode_change_state (GstElement * element,
GstStateChange transition);
GST_BOILERPLATE (GstY4mEncode, gst_y4m_encode, GstElement, GST_TYPE_ELEMENT);
static void
gst_y4m_encode_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_set_details_simple (element_class, "YUV4MPEG video encoder",
"Codec/Encoder/Video",
"Encodes a YUV frame into the yuv4mpeg format (mjpegtools)",
"Wim Taymans <wim.taymans@gmail.com>");
}
#define gst_y4m_encode_parent_class parent_class
G_DEFINE_TYPE (GstY4mEncode, gst_y4m_encode, GST_TYPE_ELEMENT);
static void
gst_y4m_encode_class_init (GstY4mEncodeClass * klass)
@ -113,23 +98,33 @@ gst_y4m_encode_class_init (GstY4mEncodeClass * klass)
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->set_property = gst_y4m_encode_set_property;
gobject_class->get_property = gst_y4m_encode_get_property;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_y4m_encode_change_state);
gobject_class->set_property = gst_y4m_encode_set_property;
gobject_class->get_property = gst_y4m_encode_get_property;
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&y4mencode_src_factory));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&y4mencode_sink_factory));
gst_element_class_set_details_simple (gstelement_class,
"YUV4MPEG video encoder", "Codec/Encoder/Video",
"Encodes a YUV frame into the yuv4mpeg format (mjpegtools)",
"Wim Taymans <wim.taymans@gmail.com>");
}
static void
gst_y4m_encode_init (GstY4mEncode * filter, GstY4mEncodeClass * klass)
gst_y4m_encode_init (GstY4mEncode * filter)
{
filter->sinkpad =
gst_pad_new_from_static_template (&y4mencode_sink_factory, "sink");
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_pad_set_chain_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_y4m_encode_chain));
gst_pad_set_setcaps_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_y4m_encode_setcaps));
gst_pad_set_event_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_y4m_encode_sink_event));
filter->srcpad =
gst_pad_new_from_static_template (&y4mencode_src_factory, "src");
@ -218,12 +213,35 @@ gst_y4m_encode_setcaps (GstPad * pad, GstCaps * vscaps)
gst_static_pad_template_get_caps (&y4mencode_src_factory));
}
static gboolean
gst_y4m_encode_sink_event (GstPad * pad, GstEvent * event)
{
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_y4m_encode_setcaps (pad, caps);
gst_event_unref (event);
break;
}
default:
res = gst_pad_event_default (pad, event);
break;
}
return res;
}
static inline GstBuffer *
gst_y4m_encode_get_stream_header (GstY4mEncode * filter)
{
gpointer header;
GstBuffer *buf;
gchar interlaced;
gsize len;
interlaced = 'p';
@ -235,11 +253,11 @@ gst_y4m_encode_get_stream_header (GstY4mEncode * filter)
header = g_strdup_printf ("YUV4MPEG2 C%s W%d H%d I%c F%d:%d A%d:%d\n",
filter->colorspace, filter->width, filter->height, interlaced,
filter->fps_num, filter->fps_den, filter->par_num, filter->par_den);
len = strlen (header);
buf = gst_buffer_new ();
gst_buffer_set_data (buf, header, strlen (header));
/* so it gets free'd when needed */
GST_BUFFER_MALLOCDATA (buf) = header;
gst_buffer_take_memory (buf, -1,
gst_memory_new_wrapped (0, header, g_free, len, 0, len));
return buf;
}
@ -249,13 +267,14 @@ gst_y4m_encode_get_frame_header (GstY4mEncode * filter)
{
gpointer header;
GstBuffer *buf;
gsize len;
header = g_strdup_printf ("FRAME\n");
len = strlen (header);
buf = gst_buffer_new ();
gst_buffer_set_data (buf, header, strlen (header));
/* so it gets free'd when needed */
GST_BUFFER_MALLOCDATA (buf) = header;
gst_buffer_take_memory (buf, -1,
gst_memory_new_wrapped (0, header, g_free, len, 0, len));
return buf;
}
@ -294,8 +313,7 @@ gst_y4m_encode_chain (GstPad * pad, GstBuffer * buf)
/* join with data */
outbuf = gst_buffer_join (outbuf, buf);
/* decorate */
gst_buffer_make_metadata_writable (outbuf);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (filter->srcpad));
outbuf = gst_buffer_make_writable (outbuf);
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;