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Update Gst.Buffer bindings

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This commit is contained in:
Sebastian Dröge 2009-09-22 07:40:57 +02:00
parent 80a5794fc1
commit 7f30940050
7 changed files with 141 additions and 53 deletions
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2
configure.ac
View file

@ -14,7 +14,7 @@ AC_HEADER_STDC
PACKAGE_VERSION=gstreamer-sharp-0.10
AC_SUBST(PACKAGE_VERSION)
API_VERSION=0.9.1.0
API_VERSION=0.9.2.0
AC_SUBST(API_VERSION)
MONO_REQUIRED_VERSION=2.4

78
doc/en/Gst/Buffer.xml
View file

@ -111,6 +111,23 @@
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public Buffer (IntPtr data, uint size);" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyVersion>0.9.1.0</AssemblyVersion>
</AssemblyInfo>
<Parameters>
<Parameter Name="data" Type="System.IntPtr" />
<Parameter Name="size" Type="System.UInt32" />
</Parameters>
<Docs>
<param name="data">To be added.</param>
<param name="size">To be added.</param>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="Caps">
<MemberSignature Language="C#" Value="public Gst.Caps Caps { set; get; }" />
<MemberType>Property</MemberType>
@ -174,7 +191,7 @@
</Docs>
</Member>
<Member MemberName="Data">
<MemberSignature Language="C#" Value="public byte[] Data { set; get; }" />
<MemberSignature Language="C#" Value="public IntPtr Data { get; }" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>0.9.0.0</AssemblyVersion>
@ -182,7 +199,7 @@
<AssemblyVersion>0.9.5.99</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Byte[]</ReturnType>
<ReturnType>System.IntPtr</ReturnType>
</ReturnValue>
<Docs>
<summary>To be added.</summary>
@ -267,7 +284,6 @@
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>0.9.0.0</AssemblyVersion>
<AssemblyVersion>0.9.1.0</AssemblyVersion>
<AssemblyVersion>0.9.5.99</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
@ -355,8 +371,46 @@
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="SetData">
<MemberSignature Language="C#" Value="public void SetData (byte[] data);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>0.9.1.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="data" Type="System.Byte[]" />
</Parameters>
<Docs>
<param name="data">To be added.</param>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="SetData">
<MemberSignature Language="C#" Value="public void SetData (IntPtr data, uint size);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>0.9.1.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="data" Type="System.IntPtr" />
<Parameter Name="size" Type="System.UInt32" />
</Parameters>
<Docs>
<param name="data">To be added.</param>
<param name="size">To be added.</param>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="Size">
<MemberSignature Language="C#" Value="public uint Size { get; }" />
<MemberSignature Language="C#" Value="public uint Size { set; get; }" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>0.9.0.0</AssemblyVersion>
@ -414,5 +468,21 @@
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="ToByteArray">
<MemberSignature Language="C#" Value="public byte[] ToByteArray ();" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>0.9.1.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Byte[]</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
</Docs>
</Member>
</Members>
</Type>

87
gstreamer-sharp/Buffer.custom
View file

@ -10,8 +10,12 @@ public Buffer (uint size) {
Raw = raw;
}
public Buffer (IntPtr data, uint size) : this () {
SetData (data, size);
}
public Buffer (byte[] data) : this () {
Data = data;
SetData (data);
}
[DllImport ("gstreamersharpglue-0.10.dll") ]
@ -22,52 +26,41 @@ extern static void gstsharp_gst_buffer_set_data (IntPtr handle, IntPtr data, uin
extern static IntPtr g_try_malloc (int size);
static uint data_offset = gstsharp_gst_buffer_get_data_offset ();
public byte[] Data {
public IntPtr Data {
get {
IntPtr raw_ptr;
unsafe {
raw_ptr = * ( (IntPtr *) ( ( (byte*) Handle) + data_offset));
}
byte[] data = new byte[Size];
Marshal.Copy (raw_ptr, data, 0, (int) Size);
return data;
}
set {
if (!IsWritable)
throw new ApplicationException ();
IntPtr raw_ptr = g_try_malloc (value.Length);
if (raw_ptr == IntPtr.Zero)
throw new OutOfMemoryException ();
Marshal.Copy (value, 0, raw_ptr, value.Length);
gstsharp_gst_buffer_set_data (Handle, raw_ptr, (uint) value.Length);
return raw_ptr;
}
}
public byte this [uint index] {
get {
if (index >= Size)
throw new ArgumentOutOfRangeException ();
unsafe {
byte **raw_ptr = (byte **) ( ( (byte*) Handle) + data_offset);
return * ( (*raw_ptr) + index);
}
} set {
if (index >= Size)
throw new ArgumentOutOfRangeException ();
public void SetData (IntPtr data, uint size) {
if (!IsWritable)
throw new ApplicationException ();
unsafe {
byte **raw_ptr = (byte **) ( ( (byte*) Handle) + data_offset);
* ( (*raw_ptr) + index) = value;
}
}
gstsharp_gst_buffer_set_data (Handle, data, size);
}
public void SetData (byte[] data) {
if (!IsWritable)
throw new ApplicationException ();
IntPtr raw_ptr = g_try_malloc (data.Length);
if (raw_ptr == IntPtr.Zero)
throw new OutOfMemoryException ();
Marshal.Copy (data, 0, raw_ptr, data.Length);
gstsharp_gst_buffer_set_data (Handle, raw_ptr, (uint) data.Length);
}
public byte[] ToByteArray () {
byte[] data = new byte[Size];
Marshal.Copy (Data, data, 0, (int) Size);
return data;
}
[DllImport ("libgstreamer-0.10.dll") ]
@ -101,6 +94,30 @@ public Gst.Caps Caps {
}
}
[DllImport ("gstreamersharpglue-0.10.dll") ]
extern static uint gstsharp_gst_buffer_get_size_offset ();
static uint size_offset = gstsharp_gst_buffer_get_size_offset ();
public uint Size {
get {
unsafe {
uint *raw_ptr = ( (uint*) ( ( (byte*) Handle) + size_offset));
return *raw_ptr;
}
}
set {
if (!IsMetadataWritable)
throw new ApplicationException ();
unsafe {
uint *raw_ptr = ( (uint*) ( ( (byte*) Handle) + size_offset));
*raw_ptr = value;
}
}
}
[DllImport ("gstreamersharpglue-0.10.dll") ]
extern static uint gstsharp_gst_buffer_get_timestamp_offset ();
static uint timestamp_offset = gstsharp_gst_buffer_get_timestamp_offset ();

1
gstreamer-sharp/Gstreamer.metadata
View file

@ -56,6 +56,7 @@
<attr path="/api/namespace/mini-object[@name='Buffer']/field[@name='Timestamp']" name="hidden">1</attr>
<attr path="/api/namespace/mini-object[@name='Buffer']/field[@name='Caps']" name="hidden">1</attr>
<attr path="/api/namespace/mini-object[@name='Buffer']/field[@name='FreeFunc']" name="hidden">1</attr>
<attr path="/api/namespace/mini-object[@name='Buffer']/field[@name='Size']" name="hidden">1</attr>
<attr path="/api/namespace/mini-object[@name='Buffer']/method[@cname='gst_buffer_get_caps']" name="hidden">1</attr>
<attr path="/api/namespace/mini-object[@name='Buffer']/method[@cname='gst_buffer_set_caps']" name="hidden">1</attr>
<attr path="/api/namespace/mini-object[@name='Buffer']/method[@cname='gst_buffer_stamp']" name="hidden">1</attr>

6
gstreamer-sharp/glue/buffer.c
View file

@ -15,6 +15,12 @@ gstsharp_gst_buffer_set_data (GstBuffer * buffer, guint8 * new_data, guint size)
buffer->free_func = g_free;
}
guint
gstsharp_gst_buffer_get_size_offset (void)
{
return (guint)G_STRUCT_OFFSET (GstBuffer, size);
}
guint
gstsharp_gst_buffer_get_data_offset (void)
{

15
samples/AppSrc.cs
View file

@ -52,15 +52,14 @@ public class AppSrcDemo {
ulong mseconds = 0;
if (appsrc.Clock != null)
mseconds = appsrc.Clock.Time / Clock.MSecond;
byte[] data = DrawData (mseconds);
Gst.Buffer buffer = new Gst.Buffer (data);
Gst.Buffer buffer = DrawData (mseconds);
appsrc.PushBuffer (buffer);
}
// Returns a byte[] presentation of one 640x480 BGRA frame using Cairo
static byte[] DrawData (ulong seconds) {
Cairo.ImageSurface img = new Cairo.ImageSurface (Cairo.Format.Argb32, 640, 480);
// Returns a Gst.Buffer presentation of one 640x480 BGRA frame using Cairo
static Gst.Buffer DrawData (ulong seconds) {
Gst.Buffer buffer = new Gst.Buffer (640*480*4);
Cairo.ImageSurface img = new Cairo.ImageSurface (buffer.Data, Cairo.Format.Argb32, 640, 480, 640*4);
using (Cairo.Context context = new Cairo.Context (img)) {
double dx = (double) (seconds % 2180) / 5;
context.Color = new Color (1.0, 1.0, 0);
@ -71,10 +70,8 @@ public class AppSrcDemo {
context.Color = new Color (0, 0, 1.0);
context.Stroke();
}
byte[] data = img.Data;
img.Destroy();
return data;
return buffer;
}
static void MessageHandler (object sender, MessageArgs args) {

5
tests/BufferTest.cs
View file

@ -69,9 +69,6 @@ public class BufferTest {
Gst.Buffer buffer = new Gst.Buffer (data);
ArrayIsEqual (data, buffer.Data);
for (uint i = 0; i < buffer.Size; i++)
Assert.IsTrue (buffer[i] == data[i]);
ArrayIsEqual (data, buffer.ToByteArray ());
}
}