First stab at porting mplex

Original commit message from CVS:
First stab at porting mplex

1 files changed, 83 insertions, 0 deletions

diff --git a/ext/mplex/mplexconsts.hh b/ext/mplex/mplexconsts.hh
new file mode 100644
index 00000000..c3fe6ce1
--- /dev/null
+++ b/ext/mplex/mplexconsts.hh
@@ -0,0 +1,83 @@
+#ifndef __MPLEXCONSTS_H__
+#define __MPLEXCONSTS_H__
+
+
+#define SEQUENCE_HEADER 	0x000001b3
+#define SEQUENCE_END		0x000001b7
+#define PICTURE_START		0x00000100
+#define EXT_START_CODE 0x000001b5
+#define GROUP_START		0x000001b8
+#define SYNCWORD_START		0x000001
+
+#define IFRAME                  1
+#define PFRAME                  2
+#define BFRAME                  3
+#define DFRAME                  4
+#define NOFRAME                 5
+
+#define PIC_TOP_FIELD 1
+#define PIC_BOT_FIELD 2
+#define PIC_FRAME 3
+
+#define CODING_EXT_ID       8
+#define AUDIO_SYNCWORD		0x7ff
+
+
+#define PACK_START		0x000001ba
+#define SYS_HEADER_START	0x000001bb
+#define ISO11172_END		0x000001b9
+#define PACKET_START		0x000001
+
+#define MAX_FFFFFFFF		4294967295.0	/* = 0xffffffff in dec. */
+
+#define CLOCKS_per_90Kth_sec 300
+
+#define CLOCKS			(CLOCKS_per_90Kth_sec*90000)
+/* MPEG-2 System Clock Hertz - we divide down by 300.0 for MPEG-1*/
+
+/* Range of sizes of the fields following the packet length field in packet header:
+	used to calculate if recieve buffers will have enough space... */
+
+#define MPEG2_BUFFERINFO_LENGTH 3
+#define MPEG1_BUFFERINFO_LENGTH 2
+#define DTS_PTS_TIMESTAMP_LENGTH 5
+#define MPEG2_AFTER_PACKET_LENGTH_MIN    3
+#define MPEG1_AFTER_PACKET_LENGTH_MIN    (0+1)
+
+	/* Sector under-size below which header stuffing rather than padding packets
+	   or post-packet zero stuffing is used.  *Must* be less than 20 for VCD
+	   multiplexing to work correctly!
+	 */
+
+#define MINIMUM_PADDING_PACKET_SIZE 10
+
+#define PACKET_HEADER_SIZE	6
+
+#define AUDIO_STREAMS		0xb8	/* Marker Audio Streams */
+#define VIDEO_STREAMS		0xb9	/* Marker Video Streams */
+#define AUDIO_STR_0		0xc0	/* Marker Audio Stream0 */
+#define VIDEO_STR_0		0xe0	/* Marker Video Stream0 */
+#define PADDING_STR		0xbe	/* Marker Padding Stream */
+#define PRIVATE_STR_1   0xbd	/* private stream 1 */
+#define PRIVATE_STR_2   0xbf	/* private stream 2 */
+#define AC3_SUB_STR_0   0x80	/* AC3 substream id 0 */
+
+#define LPCM_SUB_STR_0  0xa0	/* LPCM substream id 0 */
+
+#define ZERO_STUFFING_BYTE	0
+#define STUFFING_BYTE		0xff
+#define RESERVED_BYTE		0xff
+#define TIMESTAMPBITS_NO		0	/* Flag NO timestamps   */
+#define TIMESTAMPBITS_PTS		2	/* Flag PTS timestamp   */
+#define TIMESTAMPBITS_DTS		1	/* Flag PTS timestamp   */
+#define TIMESTAMPBITS_PTS_DTS	(TIMESTAMPBITS_DTS|TIMESTAMPBITS_PTS)	/* Flag BOTH timestamps */
+
+#define MARKER_MPEG1_SCR		2	/* Marker SCR           */
+#define MARKER_MPEG2_SCR        1	/* These don't need to be distinct! */
+#define MARKER_JUST_PTS			2	/* Marker only PTS      */
+#define MARKER_PTS				3	/* Marker PTS           */
+#define MARKER_DTS				1	/* Marker DTS           */
+#define MARKER_NO_TIMESTAMPS	0x0f	/* Marker NO timestamps */
+
+
+#endif // __MPLEXCONSTS_H__