split mpeg ps and variants muxer and demuxer, I'll clean more in a few minutes, lpcm freq tab is left static const in mpeg.h for now until we have more code in common

Originally committed as revision 9382 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/Makefile

@@ -84,11 +84,11 @@ OBJS-$(CONFIG_MP3_DEMUXER)               += mp3.o
 OBJS-$(CONFIG_MP3_MUXER)                 += mp3.o
 OBJS-$(CONFIG_MP4_MUXER)                 += movenc.o riff.o isom.o
 OBJS-$(CONFIG_MPC_DEMUXER)               += mpc.o
-OBJS-$(CONFIG_MPEG1SYSTEM_MUXER)         += mpeg.o
-OBJS-$(CONFIG_MPEG1VCD_MUXER)            += mpeg.o
-OBJS-$(CONFIG_MPEG2DVD_MUXER)            += mpeg.o
-OBJS-$(CONFIG_MPEG2VOB_MUXER)            += mpeg.o
-OBJS-$(CONFIG_MPEG2SVCD_MUXER)           += mpeg.o
+OBJS-$(CONFIG_MPEG1SYSTEM_MUXER)         += mpegenc.o
+OBJS-$(CONFIG_MPEG1VCD_MUXER)            += mpegenc.o
+OBJS-$(CONFIG_MPEG2DVD_MUXER)            += mpegenc.o
+OBJS-$(CONFIG_MPEG2VOB_MUXER)            += mpegenc.o
+OBJS-$(CONFIG_MPEG2SVCD_MUXER)           += mpegenc.o
 OBJS-$(CONFIG_MPEG1VIDEO_MUXER)          += raw.o
 OBJS-$(CONFIG_MPEG2VIDEO_MUXER)          += raw.o
 OBJS-$(CONFIG_MPEGPS_DEMUXER)            += mpeg.o

libavformat/mpeg.h

@@ -0,0 +1,60 @@
+/*
+ * MPEG1/2 muxer and demuxer common defines
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVFORMAT_MPEG_H
+#define AVFORMAT_MPEG_H
+
+#define PACK_START_CODE             ((unsigned int)0x000001ba)
+#define SYSTEM_HEADER_START_CODE    ((unsigned int)0x000001bb)
+#define SEQUENCE_END_CODE           ((unsigned int)0x000001b7)
+#define PACKET_START_CODE_MASK      ((unsigned int)0xffffff00)
+#define PACKET_START_CODE_PREFIX    ((unsigned int)0x00000100)
+#define ISO_11172_END_CODE          ((unsigned int)0x000001b9)
+
+/* mpeg2 */
+#define PROGRAM_STREAM_MAP 0x1bc
+#define PRIVATE_STREAM_1   0x1bd
+#define PADDING_STREAM     0x1be
+#define PRIVATE_STREAM_2   0x1bf
+
+#define AUDIO_ID 0xc0
+#define VIDEO_ID 0xe0
+#define AC3_ID   0x80
+#define DTS_ID   0x8a
+#define LPCM_ID  0xa0
+#define SUB_ID   0x20
+
+#define STREAM_TYPE_VIDEO_MPEG1     0x01
+#define STREAM_TYPE_VIDEO_MPEG2     0x02
+#define STREAM_TYPE_AUDIO_MPEG1     0x03
+#define STREAM_TYPE_AUDIO_MPEG2     0x04
+#define STREAM_TYPE_PRIVATE_SECTION 0x05
+#define STREAM_TYPE_PRIVATE_DATA    0x06
+#define STREAM_TYPE_AUDIO_AAC       0x0f
+#define STREAM_TYPE_VIDEO_MPEG4     0x10
+#define STREAM_TYPE_VIDEO_H264      0x1b
+
+#define STREAM_TYPE_AUDIO_AC3       0x81
+#define STREAM_TYPE_AUDIO_DTS       0x8a
+
+static const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 };
+
+#endif /* AVFORMAT_MPEG_H */