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gdp: make gst_dp_crc() public

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Original commit message from CVS:

* docs/libs/gstreamer-libs-sections.txt:
* docs/libs/tmpl/gstdataprotocol.sgml:
* libs/gst/dataprotocol/dataprotocol.c: (gst_dp_crc):
* libs/gst/dataprotocol/dataprotocol.h:
API: make gst_dp_crc() public
This commit is contained in:
Thomas Vander Stichele 2006-06-02 10:08:31 +00:00 committed by Tim-Philipp Müller
parent e0e93cd3d1
commit c0fc54e2b4
2 changed files with 15 additions and 2 deletions
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13
gst/gdp/dataprotocol.c
View file

@ -46,8 +46,17 @@ GST_DEBUG_CATEGORY (data_protocol_debug);
#define POLY 0x1021
#define CRC_INIT 0xFFFF
static guint16
gst_dp_crc (const guint8 * buffer, register guint length)
/**
* gst_dp_crc:
*
* Calculate a CRC for the given buffer over the given number of bytes.
* This is only provided for verification purposes; typical GDP users
* will not need this function.
*
* Returns: a two-byte CRC checksum.
*/
guint16
gst_dp_crc (const guint8 * buffer, guint length)
{
static gboolean initialized = FALSE;
static guint16 crc_table[256];

4
gst/gdp/dataprotocol.h
View file

@ -84,6 +84,10 @@ typedef enum {
void gst_dp_init (void);
/* crc checksum */
guint16 gst_dp_crc (const guint8 * buffer,
guint length);
/* payload information from header */
guint32 gst_dp_header_payload_length (const guint8 * header);
GstDPPayloadType