/* ASF muxer plugin for GStreamer * Copyright (C) 2009 Thiago Santos <thiagoss@embedded.ufcg.edu.br> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_ASF_OBJECTS_H__ #define __GST_ASF_OBJECTS_H__ #include <glib.h> #include <gst/gst.h> #include <gst/base/gstbytereader.h> #include <gst/base/gstcollectpads.h> #define ASF_PAYLOAD_IS_KEYFRAME(pay) ((pay->stream_number & 0x80) != 0) #define ASF_MILI_TO_100NANO(v) (v * 10000) #define ASF_GUID_SIZE 16 #define ASF_GUID_OBJSIZE_SIZE 24 typedef struct _Guid { guint32 v1; guint16 v2; guint16 v3; guint64 v4; } Guid; typedef struct _GstAsfFileInfo { guint64 packets_count; guint32 packet_size; gboolean broadcast; } GstAsfFileInfo; typedef struct _GstAsfPacketInfo { guint8 err_cor_len; gboolean multiple_payloads; guint8 padd_field_type; guint8 packet_field_type; guint8 seq_field_type; guint32 packet_size; guint32 padding; guint32 send_time; guint16 duration; gboolean has_keyframe; } GstAsfPacketInfo; typedef struct _SimpleIndexEntry { guint32 packet_number; guint16 packet_count; } SimpleIndexEntry; typedef struct _AsfPayload { guint8 stream_number; guint8 media_obj_num; guint32 offset_in_media_obj; guint8 replicated_data_length; guint32 media_object_size; guint32 presentation_time; GstBuffer *data; GstCollectData *pad; /* simple index info */ gboolean has_packet_info; guint32 packet_number; guint16 packet_count; } AsfPayload; void gst_asf_generate_file_id (Guid *guid); gboolean gst_byte_reader_get_asf_var_size_field (GstByteReader * reader, guint8 field_type, guint32 * var); guint32 gst_asf_read_var_size_field (guint8 * data, guint8 field_type); guint gst_asf_get_var_size_field_len (guint8 field_type); GstAsfFileInfo *gst_asf_file_info_new (void); void gst_asf_file_info_reset (GstAsfFileInfo * info); void gst_asf_file_info_free (GstAsfFileInfo * info); guint32 gst_asf_payload_get_size (AsfPayload * payload); void gst_asf_payload_free (AsfPayload * payload); guint64 gst_asf_get_current_time (void); gboolean gst_asf_match_guid (const guint8 * data, const Guid * g); void gst_asf_put_i32 (guint8 * buf, gint32 data); void gst_asf_put_time (guint8 * buf, guint64 time); void gst_asf_put_guid (guint8 * buf, Guid guid); void gst_asf_put_payload (guint8 * buf, AsfPayload * payload); guint16 gst_asf_put_subpayload (guint8 * buf, AsfPayload * payload, guint16 size); gboolean gst_asf_parse_packet (GstBuffer * buffer, GstAsfPacketInfo * packet, gboolean trust_delta_flag, guint packet_size); guint64 gst_asf_match_and_peek_obj_size (const guint8 * data, const Guid * guid); gboolean gst_asf_parse_headers (GstBuffer * buffer, GstAsfFileInfo * file_info); /* ASF tags * found at http://msdn.microsoft.com/en-us/library/dd562330(VS.85).aspx */ #define ASF_TAG_TITLE "Title\0" #define ASF_TAG_TITLE_SORTNAME "TitleSortOrder\0" /* FIXME asf has no artist tag other than AlbumArtist, but it has Author * What to use here? */ #define ASF_TAG_ARTIST "WM/AlbumArtist\0" #define ASF_TAG_ARTIST_SORTNAME "AlbumArtistSortOrder\0" #define ASF_TAG_ALBUM_TITLE "WM/AlbumTitle\0" #define ASF_TAG_ALBUM_TITLE_SORTNAME "AlbumTitleSortOrder\0" #define ASF_TAG_GENRE "WM/Genre\0" #define ASF_TAG_COMMENT "Comment\0" #define ASF_TAG_TRACK_NUMBER "WM/TrackNumber\0" #define ASF_TAG_COPYRIGHT "Copyright\0" #define ASF_TAG_COMPOSER "WM/Composer\0" const gchar *gst_asf_get_asf_tag (const gchar * gsttag); guint gst_asf_get_tag_field_type (GValue * value); gboolean gst_asf_tag_present_in_content_description (const gchar * tag); /* ASF Objects Sizes */ #define ASF_HEADER_OBJECT_SIZE 30 #define ASF_FILE_PROPERTIES_OBJECT_SIZE 104 #define ASF_STREAM_PROPERTIES_OBJECT_SIZE 78 #define ASF_HEADER_EXTENSION_OBJECT_SIZE 46 #define ASF_AUDIO_SPECIFIC_DATA_SIZE 18 #define ASF_VIDEO_SPECIFIC_DATA_SIZE 51 #define ASF_DATA_OBJECT_SIZE 50 #define ASF_SINGLE_PAYLOAD_HEADER_SIZE 15 #define ASF_MULTIPLE_PAYLOAD_HEADER_SIZE 17 #define ASF_EXTENDED_STREAM_PROPERTIES_OBJECT_SIZE 88 #define ASF_CONTENT_DESCRIPTION_OBJECT_SIZE 34 #define ASF_EXT_CONTENT_DESCRIPTION_OBJECT_SIZE 26 #define ASF_SIMPLE_INDEX_OBJECT_SIZE 56 #define ASF_SIMPLE_INDEX_ENTRY_SIZE 6 #define ASF_METADATA_OBJECT_SIZE 26 #define ASF_PADDING_OBJECT_SIZE 24 /* Field types for data object payload description */ #define ASF_FIELD_TYPE_NONE 0 #define ASF_FIELD_TYPE_BYTE 1 #define ASF_FIELD_TYPE_WORD 2 #define ASF_FIELD_TYPE_DWORD 3 #define ASF_FIELD_TYPE_MASK 3 /* tag types */ #define ASF_TAG_TYPE_UNICODE_STR 0 #define ASF_TAG_TYPE_BYTES 1 #define ASF_TAG_TYPE_BOOL 2 #define ASF_TAG_TYPE_DWORD 3 #define ASF_TAG_TYPE_QWORD 4 #define ASF_TAG_TYPE_WORD 5 /* GUID objects */ #define ASF_HEADER_OBJECT_INDEX 0 #define ASF_FILE_PROPERTIES_OBJECT_INDEX 1 #define ASF_STREAM_PROPERTIES_OBJECT_INDEX 2 #define ASF_AUDIO_MEDIA_INDEX 3 #define ASF_NO_ERROR_CORRECTION_INDEX 4 #define ASF_AUDIO_SPREAD_INDEX 5 #define ASF_HEADER_EXTENSION_OBJECT_INDEX 6 #define ASF_RESERVED_1_INDEX 7 #define ASF_DATA_OBJECT_INDEX 8 #define ASF_EXTENDED_STREAM_PROPERTIES_OBJECT_INDEX 9 #define ASF_VIDEO_MEDIA_INDEX 10 #define ASF_SIMPLE_INDEX_OBJECT_INDEX 11 #define ASF_CONTENT_DESCRIPTION_INDEX 12 #define ASF_EXT_CONTENT_DESCRIPTION_INDEX 13 #define ASF_METADATA_OBJECT_INDEX 14 #define ASF_PADDING_OBJECT_INDEX 15 extern const Guid guids[]; #endif