Update internal FFmpeg copy.

1 files changed, 69 insertions, 0 deletions

diff --git a/contrib/ffmpeg/libavformat/mpeg.h b/contrib/ffmpeg/libavformat/mpeg.h
new file mode 100644
index 000000000..9283101d1
--- /dev/null
+++ b/contrib/ffmpeg/libavformat/mpeg.h
@@ -0,0 +1,69 @@
+/*
+ * 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 FFMPEG_MPEG_H
+#define FFMPEG_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 };
+
+/**
+ * Parse MPEG-PES five-byte timestamp
+ */
+static inline int64_t ff_parse_pes_pts(uint8_t *buf) {
+    return (int64_t)(*buf & 0x0e) << 29 |
+            (AV_RB16(buf+1) >> 1) << 15 |
+             AV_RB16(buf+3) >> 1;
+}
+
+#endif /* FFMPEG_MPEG_H */