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Bug 263 - Support raw image input. 

git-svn-id: http://svn.zoneminder.com/svn/zm/trunk@1846 e3e1d417-86f3-4887-817a-d78f3d33393f
This commit is contained in:
stan 2006-01-20 15:20:07 +00:00
parent b6f9ed3427
commit a6fca601a2
2 changed files with 80 additions and 20 deletions
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93
src/zm_remote_camera.cpp
View File

@ -129,7 +129,8 @@ void RemoteCamera::Initialise()
buffer.Size( max_size );
mode = SINGLE_JPEG;
mode = SINGLE_IMAGE;
format = UNDEF;
state = HEADER;
}
@ -170,6 +171,7 @@ int RemoteCamera::SendRequest()
Disconnect();
return( -1 );
}
format = UNDEF;
state = HEADER;
Debug( 3, ( "Request sent" ));
return( 0 );
@ -345,7 +347,15 @@ int RemoteCamera::GetResponse()
if ( !strcasecmp( content_type, "image/jpeg" ) || !strcasecmp( content_type, "image/jpg" ) )
{
// Single image
mode = SINGLE_JPEG;
mode = SINGLE_IMAGE;
format = JPEG;
state = CONTENT;
}
else if ( !strcasecmp( content_type, "image/x-rgb" ) )
{
// Single image
mode = SINGLE_IMAGE;
format = X_RGB;
state = CONTENT;
}
else if ( !strcasecmp( content_type, "multipart/x-mixed-replace" ) )
@ -356,7 +366,7 @@ int RemoteCamera::GetResponse()
Error(( "No content boundary found in header '%s'", header ));
return( -1 );
}
mode = MULTI_JPEG;
mode = MULTI_IMAGE;
state = SUBHEADER;
}
//else if ( !strcasecmp( content_type, "video/mpeg" ) || !strcasecmp( content_type, "video/mpg" ) )
@ -427,7 +437,15 @@ int RemoteCamera::GetResponse()
}
case CONTENT :
{
if ( strcasecmp( content_type, "image/jpeg" ) && strcasecmp( content_type, "image/jpg" ) )
if ( !strcasecmp( content_type, "image/jpeg" ) || !strcasecmp( content_type, "image/jpg" ) )
{
format = JPEG;
}
else if ( !strcasecmp( content_type, "image/x-rgb" ) )
{
format = X_RGB;
}
else
{
Error(( "Found unsupported content type '%s'", content_type ));
return( -1 );
@ -457,7 +475,7 @@ int RemoteCamera::GetResponse()
static RegExpr *content_expr = 0;
if ( buffer_len )
{
if ( mode == MULTI_JPEG )
if ( mode == MULTI_IMAGE )
{
if ( !content_expr )
{
@ -476,7 +494,7 @@ int RemoteCamera::GetResponse()
{
content_length = buffer.Size();
Debug( 3, ( "Got end of image by closure, content-length = %d", content_length ));
if ( mode == SINGLE_JPEG )
if ( mode == SINGLE_IMAGE )
{
if ( !content_expr )
{
@ -491,7 +509,7 @@ int RemoteCamera::GetResponse()
}
}
}
if ( mode == SINGLE_JPEG )
if ( mode == SINGLE_IMAGE )
{
state = HEADER;
Disconnect();
@ -742,7 +760,15 @@ int RemoteCamera::GetResponse()
if ( !strcasecmp( content_type, "image/jpeg" ) || !strcasecmp( content_type, "image/jpg" ) )
{
// Single image
mode = SINGLE_JPEG;
mode = SINGLE_IMAGE;
format = JPEG;
state = CONTENT;
}
else if ( !strcasecmp( content_type, "image/x-rgb" ) )
{
// Single image
mode = SINGLE_IMAGE;
format = X_RGB;
state = CONTENT;
}
else if ( !strcasecmp( content_type, "multipart/x-mixed-replace" ) )
@ -753,7 +779,7 @@ int RemoteCamera::GetResponse()
Error(( "No content boundary found in header '%s'", content_type_header ));
return( -1 );
}
mode = MULTI_JPEG;
mode = MULTI_IMAGE;
state = SUBHEADER;
}
//else if ( !strcasecmp( content_type, "video/mpeg" ) || !strcasecmp( content_type, "video/mpg" ) )
@ -890,13 +916,21 @@ int RemoteCamera::GetResponse()
}
case CONTENT :
{
if ( strcasecmp( content_type, "image/jpeg" ) && strcasecmp( content_type, "image/jpg" ) )
if ( !strcasecmp( content_type, "image/jpeg" ) || !strcasecmp( content_type, "image/jpg" ) )
{
format = JPEG;
}
else if ( !strcasecmp( content_type, "image/x-rgb" ) )
{
format = X_RGB;
}
else
{
Error(( "Found unsupported content type '%s'", content_type ));
return( -1 );
}
if ( buffer.Size() >= 2 )
if ( format == JPEG && buffer.Size() >= 2 )
{
if ( buffer[0] != 0xff || buffer[1] != 0xd8 )
{
@ -931,7 +965,7 @@ int RemoteCamera::GetResponse()
}
if ( buffer_len )
{
if ( mode == MULTI_JPEG )
if ( mode == MULTI_IMAGE )
{
while ( char *start_ptr = (char *)memstr( (char *)buffer+content_pos, "\r\n--", buffer_size-content_pos ) )
{
@ -945,7 +979,7 @@ int RemoteCamera::GetResponse()
{
content_length = buffer_size;
Debug( 3, ( "Got end of image by closure, content-length = %d", content_length ));
if ( mode == SINGLE_JPEG )
if ( mode == SINGLE_IMAGE )
{
char *end_ptr = (char *)buffer+buffer_size;
@ -963,7 +997,7 @@ int RemoteCamera::GetResponse()
}
}
}
if ( mode == SINGLE_JPEG )
if ( mode == SINGLE_IMAGE )
{
state = HEADER;
Disconnect();
@ -972,7 +1006,8 @@ int RemoteCamera::GetResponse()
{
state = SUBHEADER;
}
if ( buffer.Size() >= 2 )
if ( format == JPEG && buffer.Size() >= 2 )
{
if ( buffer[0] != 0xff || buffer[1] != 0xd8 )
{
@ -999,10 +1034,10 @@ int RemoteCamera::PreCapture()
{
return( -1 );
}
mode = SINGLE_JPEG;
mode = SINGLE_IMAGE;
buffer.Empty();
}
if ( mode == SINGLE_JPEG )
if ( mode == SINGLE_IMAGE )
{
if ( SendRequest() < 0 )
{
@ -1021,10 +1056,34 @@ int RemoteCamera::PostCapture( Image &image )
Disconnect();
return( -1 );
}
switch( format )
{
case JPEG :
{
if ( !image.DecodeJpeg( buffer.Extract( content_length ), content_length ) )
{
return( -1 );
}
break;
}
case X_RGB :
{
if ( content_length != image.Size() )
{
Error(( "Image length mismatch, expected %d bytes, content length was %d", image.Size(), content_length ));
Disconnect();
return( -1 );
}
image.Assign( width, height, colours, buffer );
break;
}
default :
{
Error(( "Unexpected image format encountered" ));
Disconnect();
return( -1 );
}
}
return( 0 );
}

3
src/zm_remote_camera.h
View File

@ -46,7 +46,8 @@ protected:
struct sockaddr_in sa;
int sd;
Buffer buffer;
enum { SINGLE_JPEG, MULTI_JPEG, MULTI_MPEG } mode;
enum { SINGLE_IMAGE, MULTI_IMAGE } mode;
enum { UNDEF, JPEG, X_RGB } format;
enum { HEADER, HEADERCONT, SUBHEADER, SUBHEADERCONT, CONTENT } state;
protected: