added include/skeleton.h src/skeleton.c.

implemented  the skeleton bitsream recommendation


git-svn-id: https://recordmydesktop.svn.sourceforge.net/svnroot/recordmydesktop/trunk@481 f606c939-3180-4ac9-a4b8-4b8779d57d0a

2 files changed, 108 insertions, 1 deletions

diff --git a/recordmydesktop/include/Makefile.am b/recordmydesktop/include/Makefile.am
index fb8518c..1884a45 100644
--- a/recordmydesktop/include/Makefile.am
+++ b/recordmydesktop/include/Makefile.am
@@ -1 +1 @@
-noinst_HEADERS= recordmydesktop.h rmdfunc.h rmdtypes.h rmdmacro.h
+noinst_HEADERS= recordmydesktop.h rmdfunc.h rmdtypes.h rmdmacro.h skeleton.h
diff --git a/recordmydesktop/include/skeleton.h b/recordmydesktop/include/skeleton.h
new file mode 100644
index 0000000..a563c1f
--- /dev/null
+++ b/recordmydesktop/include/skeleton.h
@@ -0,0 +1,107 @@
+/******************************************************************************
+*                                skeleton.h                                   *
+*                          author: Tahseen Mohammad                           *
+*******************************************************************************
+*   Redistribution and use in source and binary forms, with or without        *
+*   modification, are permitted provided that the following conditions        *
+*   are met:                                                                  *
+*                                                                             *
+*   - Redistributions of source code must retain the above copyright          *
+*   notice, this list of conditions and the following disclaimer.             *
+*                                                                             * 
+*   - Redistributions in binary form must reproduce the above copyright       *
+*   notice, this list of conditions and the following disclaimer in the       *
+*   documentation and/or other materials provided with the distribution.      *
+*                                                                             *
+*   - Neither the name of the Xiph.org Foundation nor the names of its        *
+*   contributors may be used to endorse or promote products derived from      *
+*   this software without specific prior written permission.                  *
+*                                                                             *
+*   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
+*   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT       *
+*   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR     *
+*   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR *
+*   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,     *
+*   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
+*   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
+*   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
+*   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
+*   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
+*   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
+******************************************************************************/
+
+
+
+#ifndef _SKELETON_H
+#define _SKELETON_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef WIN32
+#define snprintf _snprintf
+#endif
+
+#include <ogg/ogg.h>
+
+#define SKELETON_VERSION_MAJOR 3
+#define SKELETON_VERSION_MINOR 0
+#define FISHEAD_IDENTIFIER "fishead\0"
+#define FISBONE_IDENTIFIER "fisbone\0"
+#define FISHEAD_SIZE 64
+#define FISBONE_SIZE 52
+#define FISBONE_MESSAGE_HEADER_OFFSET 44
+
+/* fishead_packet holds a fishead header packet. */
+typedef struct {
+    ogg_uint16_t version_major;				    /* skeleton version major */
+    ogg_uint16_t version_minor;				    /* skeleton version minor */
+    /* Start time of the presentation
+     * For a new stream presentationtime & basetime is same. */
+    ogg_int64_t ptime_n;                                    /* presentation time numerator */
+    ogg_int64_t ptime_d;                                    /* presentation time denominator */
+    ogg_int64_t btime_n;                                    /* basetime numerator */
+    ogg_int64_t btime_d;                                    /* basetime denominator */
+    /* will holds the time of origin of the stream, a 20 bit field. */
+    unsigned char UTC[20];
+} fishead_packet;
+
+/* fisbone_packet holds a fisbone header packet. */
+typedef struct {
+    ogg_uint32_t serial_no;                                 /* serial no of the corresponding stream */
+    ogg_uint32_t nr_header_packet;                      /* number of header packets */
+    /* granule rate is the temporal resolution of the logical bitstream */
+    ogg_int64_t granule_rate_n;                            /* granule rate numerator */
+    ogg_int64_t granule_rate_d;                            /* granule rate denominator */
+    ogg_int64_t start_granule;                             /* start granule value */
+    ogg_uint32_t preroll;                                   /* preroll */
+    unsigned char granule_shift;		            /* 1 byte value holding the granule shift */
+    char *message_header_fields;                            /* holds all the message header fields */
+    /* current total size of the message header fields, for realloc purpose, initially zero */
+    ogg_uint32_t current_header_size;
+} fisbone_packet;
+
+extern int write_ogg_page_to_file(ogg_page *og, FILE *out);
+extern int add_message_header_field(fisbone_packet *fp, char *header_key, char *header_value);
+/* remember to deallocate the returned ogg_packet properly */
+extern ogg_packet ogg_from_fishead(fishead_packet *fp);
+extern ogg_packet ogg_from_fisbone(fisbone_packet *fp);
+extern fishead_packet fishead_from_ogg(ogg_packet *op);
+extern fisbone_packet fisbone_from_ogg(ogg_packet *op);
+extern int add_fishead_to_stream(ogg_stream_state *os, fishead_packet *fp);
+extern int add_fisbone_to_stream(ogg_stream_state *os, fisbone_packet *fp);
+extern int add_eos_packet_to_stream(ogg_stream_state *os);
+extern int flush_ogg_stream_to_file(ogg_stream_state *os, FILE *out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _SKELETON_H */
+
+
+
+
+
+