gstreamer/gst/asfdemux/asfheaders.h
Edward Hervey 6eb48af87c asfdemux: Handle new type of DRM'd asf files.
These are produced by the new MS PlayReady system.

https://bugzilla.gnome.org/show_bug.cgi?id=639226
2011-01-11 17:51:31 +01:00

178 lines
4.1 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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 __ASFHEADERS_H__
#define __ASFHEADERS_H__
G_BEGIN_DECLS
typedef struct {
guint32 v1;
guint32 v2;
guint32 v3;
guint32 v4;
} ASFGuid;
typedef struct {
guint8 obj_id;
const gchar *obj_id_str;
ASFGuid guid;
} ASFGuidHash;
typedef enum {
ASF_OBJ_UNDEFINED = 0,
ASF_OBJ_STREAM,
ASF_OBJ_DATA,
ASF_OBJ_FILE,
ASF_OBJ_HEADER,
ASF_OBJ_CONCEAL_NONE,
ASF_OBJ_COMMENT,
ASF_OBJ_CODEC_COMMENT,
ASF_OBJ_CODEC_COMMENT1,
ASF_OBJ_SIMPLE_INDEX,
ASF_OBJ_INDEX,
ASF_OBJ_HEAD1,
ASF_OBJ_HEAD2,
ASF_OBJ_PADDING,
ASF_OBJ_BITRATE_PROPS,
ASF_OBJ_EXT_CONTENT_DESC,
ASF_OBJ_BITRATE_MUTEX,
ASF_OBJ_LANGUAGE_LIST,
ASF_OBJ_METADATA_OBJECT,
ASF_OBJ_EXTENDED_STREAM_PROPS,
ASF_OBJ_COMPATIBILITY,
ASF_OBJ_INDEX_PLACEHOLDER,
ASF_OBJ_INDEX_PARAMETERS,
ASF_OBJ_ADVANCED_MUTUAL_EXCLUSION,
ASF_OBJ_STREAM_PRIORITIZATION,
ASF_OBJ_CONTENT_ENCRYPTION,
ASF_OBJ_EXT_CONTENT_ENCRYPTION,
ASF_OBJ_DIGITAL_SIGNATURE_OBJECT,
ASF_OBJ_SCRIPT_COMMAND,
ASF_OBJ_MARKER,
ASF_OBJ_UNKNOWN_ENCRYPTION_OBJECT
} AsfObjectID;
typedef enum {
ASF_STREAM_UNDEFINED = 0,
ASF_STREAM_VIDEO,
ASF_STREAM_AUDIO
} AsfStreamType;
typedef enum {
ASF_CORRECTION_UNDEFINED = 0,
ASF_CORRECTION_ON,
ASF_CORRECTION_OFF
} AsfCorrectionType;
typedef enum {
ASF_PAYLOAD_EXTENSION_UNDEFINED = 0,
ASF_PAYLOAD_EXTENSION_DURATION,
ASF_PAYLOAD_EXTENSION_SYSTEM_CONTENT,
ASF_PAYLOAD_EXTENSION_SYSTEM_PIXEL_ASPECT_RATIO
} AsfPayloadExtensionID;
extern const ASFGuidHash asf_payload_ext_guids[];
extern const ASFGuidHash asf_correction_guids[];
extern const ASFGuidHash asf_stream_guids[];
extern const ASFGuidHash asf_object_guids[];
/* GUID utilities */
guint32 gst_asf_identify_guid (const ASFGuidHash * guids,
ASFGuid * guid);
const gchar *gst_asf_get_guid_nick (const ASFGuidHash * guids,
guint32 obj_id);
struct _asf_stream_audio {
guint16 codec_tag;
guint16 channels;
guint32 sample_rate;
guint32 byte_rate;
guint16 block_align;
guint16 word_size;
guint16 size;
};
typedef struct _asf_stream_audio asf_stream_audio;
struct _asf_stream_video {
guint32 width;
guint32 height;
guint8 unknown;
guint16 size;
};
typedef struct _asf_stream_video asf_stream_video;
struct _asf_stream_video_format {
guint32 size;
guint32 width;
guint32 height;
guint16 planes;
guint16 depth;
guint32 tag;
guint32 image_size;
guint32 xpels_meter;
guint32 ypels_meter;
guint32 num_colors;
guint32 imp_colors;
};
typedef struct _asf_stream_video_format asf_stream_video_format;
struct _asf_obj_data_correction {
guint8 type;
guint8 cycle;
};
typedef struct _asf_obj_data_correction asf_obj_data_correction;
struct _asf_packet_info {
guint32 padsize;
guint8 replicsizetype;
guint8 fragoffsettype;
guint8 seqtype;
guint8 segsizetype;
gboolean multiple;
guint32 size_left;
};
typedef struct _asf_packet_info asf_packet_info;
struct _asf_segment_info {
guint8 stream_number;
guint32 chunk_size;
guint32 frag_offset;
guint32 segment_size;
guint32 sequence;
guint32 frag_timestamp;
gboolean compressed;
};
typedef struct _asf_segment_info asf_segment_info;
G_END_DECLS
#endif /* __ASFHEADERS_H__ */