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Diffstat (limited to 'ext/mimic/gstmimenc.c')
-rw-r--r--ext/mimic/gstmimenc.c189
1 files changed, 89 insertions, 100 deletions
diff --git a/ext/mimic/gstmimenc.c b/ext/mimic/gstmimenc.c
index 91f4939a..3f3210cc 100644
--- a/ext/mimic/gstmimenc.c
+++ b/ext/mimic/gstmimenc.c
@@ -1,24 +1,24 @@
/*
- * GStreamer
- * Copyright (c) 2005 INdT.
- * @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
- * @author Philippe Khalaf <burger@speedy.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
+ * GStreamer
+ * Copyright (c) 2005 INdT.
+ * @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
+ * @author Philippe Khalaf <burger@speedy.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
@@ -33,13 +33,10 @@ GST_DEBUG_CATEGORY (mimenc_debug);
#define MAX_INTERFRAMES 15
-static GstStaticPadTemplate sink_factory =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
+static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- "video/x-raw-rgb, "
+ GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) 4321, "
@@ -49,39 +46,30 @@ GST_STATIC_PAD_TEMPLATE (
"blue_mask = (int) 255, "
"width = (int) 320, "
"height = (int) 240"
- ";video/x-raw-rgb, "
+ ";video/x-raw-rgb, "
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) 4321, "
"framerate = (fraction) [1/1, 30/1], "
"red_mask = (int) 16711680, "
"green_mask = (int) 65280, "
- "blue_mask = (int) 255, "
- "width = (int) 160, "
- "height = (int) 120"
- )
-);
-
-static GstStaticPadTemplate src_factory =
-GST_STATIC_PAD_TEMPLATE (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-mimic")
-);
-
-
-static gboolean gst_mimenc_setcaps (GstPad *pad,
- GstCaps *caps);
-static GstFlowReturn gst_mimenc_chain (GstPad *pad,
- GstBuffer *in);
-static GstBuffer* gst_mimenc_create_tcp_header (GstMimEnc *mimenc,
- guint32 payload_size,
- guint32 timestamp);
+ "blue_mask = (int) 255, " "width = (int) 160, " "height = (int) 120")
+ );
+
+static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-mimic")
+ );
+
+
+static gboolean gst_mimenc_setcaps (GstPad * pad, GstCaps * caps);
+static GstFlowReturn gst_mimenc_chain (GstPad * pad, GstBuffer * in);
+static GstBuffer *gst_mimenc_create_tcp_header (GstMimEnc * mimenc,
+ guint32 payload_size, guint32 timestamp);
static GstStateChangeReturn
- gst_mimenc_change_state (GstElement *element,
- GstStateChange transition);
+gst_mimenc_change_state (GstElement * element, GstStateChange transition);
GST_BOILERPLATE (GstMimEnc, gst_mimenc, GstElement, GST_TYPE_ELEMENT);
@@ -98,36 +86,38 @@ gst_mimenc_base_init (gpointer klass)
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_factory));
+ gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_factory));
+ gst_static_pad_template_get (&sink_factory));
gst_element_class_set_details (element_class, &plugin_details);
}
static void
-gst_mimenc_class_init (GstMimEncClass *klass)
+gst_mimenc_class_init (GstMimEncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*) klass;
- gstelement_class = (GstElementClass*) klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
gstelement_class->change_state = gst_mimenc_change_state;
GST_DEBUG_CATEGORY_INIT (mimenc_debug, "mimenc", 0, "Mimic encoder plugin");
}
static void
-gst_mimenc_init (GstMimEnc *mimenc, GstMimEncClass *klass)
+gst_mimenc_init (GstMimEnc * mimenc, GstMimEncClass * klass)
{
- mimenc->sinkpad = gst_pad_new_from_template (
- gst_static_pad_template_get (&sink_factory), "sink");
+ mimenc->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&sink_factory),
+ "sink");
gst_element_add_pad (GST_ELEMENT (mimenc), mimenc->sinkpad);
gst_pad_set_setcaps_function (mimenc->sinkpad, gst_mimenc_setcaps);
gst_pad_set_chain_function (mimenc->sinkpad, gst_mimenc_chain);
- mimenc->srcpad = gst_pad_new_from_template (
- gst_static_pad_template_get (&src_factory), "src");
+ mimenc->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&src_factory),
+ "src");
gst_element_add_pad (GST_ELEMENT (mimenc), mimenc->srcpad);
mimenc->enc = NULL;
@@ -141,7 +131,7 @@ gst_mimenc_init (GstMimEnc *mimenc, GstMimEncClass *klass)
}
static gboolean
-gst_mimenc_setcaps (GstPad *pad, GstCaps *caps)
+gst_mimenc_setcaps (GstPad * pad, GstCaps * caps)
{
GstMimEnc *filter;
GstStructure *structure;
@@ -151,13 +141,13 @@ gst_mimenc_setcaps (GstPad *pad, GstCaps *caps)
g_return_val_if_fail (filter != NULL, FALSE);
g_return_val_if_fail (GST_IS_MIMENC (filter), FALSE);
- structure = gst_caps_get_structure( caps, 0 );
- ret = gst_structure_get_int( structure, "width", &width );
+ structure = gst_caps_get_structure (caps, 0);
+ ret = gst_structure_get_int (structure, "width", &width);
if (!ret) {
GST_DEBUG_OBJECT (filter, "No width set");
goto out;
}
- ret = gst_structure_get_int( structure, "height", &height );
+ ret = gst_structure_get_int (structure, "height", &height);
if (!ret) {
GST_DEBUG_OBJECT (filter, "No height set");
goto out;
@@ -176,26 +166,26 @@ gst_mimenc_setcaps (GstPad *pad, GstCaps *caps)
goto out;
}
- filter->width = (guint16)width;
- filter->height = (guint16)height;
+ filter->width = (guint16) width;
+ filter->height = (guint16) height;
- GST_DEBUG_OBJECT (filter,"Got info from caps w : %d, h : %d",
+ GST_DEBUG_OBJECT (filter, "Got info from caps w : %d, h : %d",
filter->width, filter->height);
GST_OBJECT_UNLOCK (filter);
- out:
- gst_object_unref(filter);
+out:
+ gst_object_unref (filter);
return ret;
}
static GstFlowReturn
-gst_mimenc_chain (GstPad *pad, GstBuffer *in)
+gst_mimenc_chain (GstPad * pad, GstBuffer * in)
{
GstMimEnc *mimenc;
GstBuffer *out_buf = NULL, *buf = NULL;
guchar *data;
gint buffer_size;
- GstBuffer * header = NULL;
+ GstBuffer *header = NULL;
GstFlowReturn res = GST_FLOW_OK;
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
@@ -234,10 +224,11 @@ gst_mimenc_chain (GstPad *pad, GstBuffer *in)
data = GST_BUFFER_DATA (buf);
out_buf = gst_buffer_new_and_alloc (mimenc->buffer_size);
- GST_BUFFER_TIMESTAMP(out_buf) = GST_BUFFER_TIMESTAMP(buf);
+ GST_BUFFER_TIMESTAMP (out_buf) = GST_BUFFER_TIMESTAMP (buf);
buffer_size = mimenc->buffer_size;
if (!mimic_encode_frame (mimenc->enc, data, GST_BUFFER_DATA (out_buf),
- &buffer_size, ((mimenc->frames % MAX_INTERFRAMES) == 0 ? TRUE : FALSE))) {
+ &buffer_size,
+ ((mimenc->frames % MAX_INTERFRAMES) == 0 ? TRUE : FALSE))) {
GST_WARNING_OBJECT (mimenc, "mimic_encode_frame error\n");
gst_buffer_unref (out_buf);
gst_buffer_unref (buf);
@@ -247,7 +238,7 @@ gst_mimenc_chain (GstPad *pad, GstBuffer *in)
GST_BUFFER_SIZE (out_buf) = buffer_size;
GST_DEBUG_OBJECT (mimenc, "incoming buf size %d, encoded size %d",
- GST_BUFFER_SIZE(buf), GST_BUFFER_SIZE(out_buf));
+ GST_BUFFER_SIZE (buf), GST_BUFFER_SIZE (out_buf));
++mimenc->frames;
// now let's create that tcp header
@@ -256,8 +247,7 @@ gst_mimenc_chain (GstPad *pad, GstBuffer *in)
GST_OBJECT_UNLOCK (mimenc);
- if (header)
- {
+ if (header) {
res = gst_pad_push (mimenc->srcpad, header);
if (res != GST_FLOW_OK) {
gst_buffer_unref (out_buf);
@@ -265,45 +255,44 @@ gst_mimenc_chain (GstPad *pad, GstBuffer *in)
}
res = gst_pad_push (mimenc->srcpad, out_buf);
- }
- else
- {
- GST_DEBUG_OBJECT(mimenc, "header not created succesfully");
- res = GST_FLOW_ERROR;
+ } else {
+ GST_DEBUG_OBJECT (mimenc, "header not created succesfully");
+ res = GST_FLOW_ERROR;
}
- out:
+out:
if (buf)
gst_buffer_unref (buf);
gst_object_unref (mimenc);
return res;
- out_unlock:
+out_unlock:
GST_OBJECT_UNLOCK (mimenc);
goto out;
}
-static GstBuffer*
-gst_mimenc_create_tcp_header (GstMimEnc *mimenc, guint32 payload_size,
+static GstBuffer *
+gst_mimenc_create_tcp_header (GstMimEnc * mimenc, guint32 payload_size,
guint32 timestamp)
{
- // 24 bytes
- GstBuffer *buf_header = gst_buffer_new_and_alloc (24);
- guchar *p = (guchar *) GST_BUFFER_DATA(buf_header);
-
- p[0] = 24;
- *((guchar *) (p + 1)) = 0;
- *((guint16 *) (p + 2)) = GUINT16_TO_LE(mimenc->width);
- *((guint16 *) (p + 4)) = GUINT16_TO_LE(mimenc->height);
- *((guint16 *) (p + 6)) = 0;
- *((guint32 *) (p + 8)) = GUINT32_TO_LE(payload_size);
- *((guint32 *) (p + 12)) = GUINT32_TO_LE(GST_MAKE_FOURCC ('M', 'L', '2', '0'));
- *((guint32 *) (p + 16)) = 0;
- *((guint32 *) (p + 20)) = timestamp;
-
- return buf_header;
+ // 24 bytes
+ GstBuffer *buf_header = gst_buffer_new_and_alloc (24);
+ guchar *p = (guchar *) GST_BUFFER_DATA (buf_header);
+
+ p[0] = 24;
+ *((guchar *) (p + 1)) = 0;
+ *((guint16 *) (p + 2)) = GUINT16_TO_LE (mimenc->width);
+ *((guint16 *) (p + 4)) = GUINT16_TO_LE (mimenc->height);
+ *((guint16 *) (p + 6)) = 0;
+ *((guint32 *) (p + 8)) = GUINT32_TO_LE (payload_size);
+ *((guint32 *) (p + 12)) =
+ GUINT32_TO_LE (GST_MAKE_FOURCC ('M', 'L', '2', '0'));
+ *((guint32 *) (p + 16)) = 0;
+ *((guint32 *) (p + 20)) = timestamp;
+
+ return buf_header;
}
static GstStateChangeReturn
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-08 14:26:00 +0000