making act segmenter

1 files changed, 188 insertions, 0 deletions

diff --git a/ffmpeg/libavformat/asf.h b/ffmpeg/libavformat/asf.h
new file mode 100644
index 0000000..5ffc746
--- /dev/null
+++ b/ffmpeg/libavformat/asf.h
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2000, 2001 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_ASF_H
+#define AVFORMAT_ASF_H
+
+#include <stdint.h>
+#include "avformat.h"
+#include "metadata.h"
+#include "riff.h"
+
+#define PACKET_SIZE 3200
+
+typedef struct ASFPayload {
+    uint8_t type;
+    uint16_t size;
+} ASFPayload;
+
+typedef struct ASFStream {
+    int num;
+    unsigned char seq;
+    /* use for reading */
+    AVPacket pkt;
+    int frag_offset;
+    int timestamp;
+    int64_t duration;
+
+    int ds_span;                /* descrambling  */
+    int ds_packet_size;
+    int ds_chunk_size;
+
+    int64_t packet_pos;
+
+    uint16_t stream_language_index;
+
+    int      palette_changed;
+    uint32_t palette[256];
+
+    int payload_ext_ct;
+    ASFPayload payload[8];
+} ASFStream;
+
+typedef struct ASFMainHeader {
+    ff_asf_guid guid;                  ///< generated by client computer
+    uint64_t file_size;         /**< in bytes
+                                 *   invalid if broadcasting */
+    uint64_t create_time;       /**< time of creation, in 100-nanosecond units since 1.1.1601
+                                 *   invalid if broadcasting */
+    uint64_t play_time;         /**< play time, in 100-nanosecond units
+                                 * invalid if broadcasting */
+    uint64_t send_time;         /**< time to send file, in 100-nanosecond units
+                                 *   invalid if broadcasting (could be ignored) */
+    uint32_t preroll;           /**< timestamp of the first packet, in milliseconds
+                                 *   if nonzero - subtract from time */
+    uint32_t ignore;            ///< preroll is 64bit - but let's just ignore it
+    uint32_t flags;             /**< 0x01 - broadcast
+                                 *   0x02 - seekable
+                                 *   rest is reserved should be 0 */
+    uint32_t min_pktsize;       /**< size of a data packet
+                                 *   invalid if broadcasting */
+    uint32_t max_pktsize;       /**< shall be the same as for min_pktsize
+                                 *   invalid if broadcasting */
+    uint32_t max_bitrate;       /**< bandwidth of stream in bps
+                                 *   should be the sum of bitrates of the
+                                 *   individual media streams */
+} ASFMainHeader;
+
+
+typedef struct ASFIndex {
+    uint32_t packet_number;
+    uint16_t packet_count;
+} ASFIndex;
+
+extern const ff_asf_guid ff_asf_header;
+extern const ff_asf_guid ff_asf_file_header;
+extern const ff_asf_guid ff_asf_stream_header;
+extern const ff_asf_guid ff_asf_ext_stream_header;
+extern const ff_asf_guid ff_asf_audio_stream;
+extern const ff_asf_guid ff_asf_audio_conceal_none;
+extern const ff_asf_guid ff_asf_audio_conceal_spread;
+extern const ff_asf_guid ff_asf_video_stream;
+extern const ff_asf_guid ff_asf_jfif_media;
+extern const ff_asf_guid ff_asf_video_conceal_none;
+extern const ff_asf_guid ff_asf_command_stream;
+extern const ff_asf_guid ff_asf_comment_header;
+extern const ff_asf_guid ff_asf_codec_comment_header;
+extern const ff_asf_guid ff_asf_codec_comment1_header;
+extern const ff_asf_guid ff_asf_data_header;
+extern const ff_asf_guid ff_asf_head1_guid;
+extern const ff_asf_guid ff_asf_head2_guid;
+extern const ff_asf_guid ff_asf_extended_content_header;
+extern const ff_asf_guid ff_asf_simple_index_header;
+extern const ff_asf_guid ff_asf_ext_stream_embed_stream_header;
+extern const ff_asf_guid ff_asf_ext_stream_audio_stream;
+extern const ff_asf_guid ff_asf_metadata_header;
+extern const ff_asf_guid ff_asf_metadata_library_header;
+extern const ff_asf_guid ff_asf_marker_header;
+extern const ff_asf_guid ff_asf_my_guid;
+extern const ff_asf_guid ff_asf_language_guid;
+extern const ff_asf_guid ff_asf_content_encryption;
+extern const ff_asf_guid ff_asf_ext_content_encryption;
+extern const ff_asf_guid ff_asf_digital_signature;
+
+extern const AVMetadataConv ff_asf_metadata_conv[];
+
+#define ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT 0x80 //1000 0000
+
+
+//   ASF data packet structure
+//   =========================
+//
+//
+//  -----------------------------------
+// | Error Correction Data             |  Optional
+//  -----------------------------------
+// | Payload Parsing Information (PPI) |
+//  -----------------------------------
+// | Payload Data                      |
+//  -----------------------------------
+// | Padding Data                      |
+//  -----------------------------------
+
+
+// PPI_FLAG - Payload parsing information flags
+#define ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT 1
+
+#define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE  0x02 //0000 0010
+#define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD  0x04 //0000 0100
+#define ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD 0x06 //0000 0110
+#define ASF_PPI_MASK_SEQUENCE_FIELD_SIZE     0x06 //0000 0110
+
+#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE  0x08 //0000 1000
+#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD  0x10 //0001 0000
+#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD 0x18 //0001 1000
+#define ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE     0x18 //0001 1000
+
+#define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE  0x20 //0010 0000
+#define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD  0x40 //0100 0000
+#define ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD 0x60 //0110 0000
+#define ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE     0x60 //0110 0000
+
+// PL_FLAG - Payload flags
+#define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE   0x01 //0000 0001
+#define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD   0x02 //0000 0010
+#define ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD  0x03 //0000 0011
+#define ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE      0x03 //0000 0011
+
+#define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_BYTE  0x04 //0000 0100
+#define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_WORD  0x08 //0000 1000
+#define ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD 0x0c //0000 1100
+#define ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE     0x0c //0000 1100
+
+#define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE  0x10 //0001 0000
+#define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD  0x20 //0010 0000
+#define ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD 0x30 //0011 0000
+#define ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE     0x30 //0011 0000
+
+#define ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE  0x40 //0100 0000
+#define ASF_PL_MASK_STREAM_NUMBER_LENGTH_FIELD_SIZE     0xc0 //1100 0000
+
+#define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE  0x40 //0100 0000
+#define ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD  0x80 //1000 0000
+#define ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE     0xc0 //1100 0000
+
+#define ASF_PL_FLAG_KEY_FRAME 0x80 //1000 0000
+
+extern AVInputFormat ff_asf_demuxer;
+
+void ff_put_guid(AVIOContext *s, const ff_asf_guid *g);
+
+#endif /* AVFORMAT_ASF_H */