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ffmpeg / libavformat / asfenc.c @ 17af0525

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1 542993b0 Konstantin Andreyev
/*
2 f26be477 Michael Niedermayer
 * ASF muxer
3 406792e7 Diego Biurrun
 * Copyright (c) 2000, 2001 Fabrice Bellard
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 *
5 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
8 542993b0 Konstantin Andreyev
 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
10 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
11 542993b0 Konstantin Andreyev
 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
18 b78e7197 Diego Biurrun
 * License along with FFmpeg; if not, write to the Free Software
19 5509bffa Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "avformat.h"
22 488227c5 Aurelien Jacobs
#include "metadata.h"
23 9d9f4119 Måns Rullgård
#include "riff.h"
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#include "asf.h"
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#undef NDEBUG
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#include <assert.h>
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29 982e53fe Calcium
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#define ASF_INDEXED_INTERVAL    10000000
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#define ASF_INDEX_BLOCK         600
32 982e53fe Calcium
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#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2
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#define ASF_PACKET_ERROR_CORRECTION_FLAGS (\
35 bb270c08 Diego Biurrun
                ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \
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                ASF_PACKET_ERROR_CORRECTION_DATA_SIZE\
37
                )
38 615b92fd Konstantin Andreyev
39
#if (ASF_PACKET_ERROR_CORRECTION_FLAGS != 0)
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#   define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1
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#else
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#   define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 0
43
#endif
44
45
#define ASF_PPI_PROPERTY_FLAGS (\
46 bb270c08 Diego Biurrun
                ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE | \
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                ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD | \
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                ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE | \
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                ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE \
50
                )
51 615b92fd Konstantin Andreyev
52
#define ASF_PPI_LENGTH_TYPE_FLAGS 0
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54
#define ASF_PAYLOAD_FLAGS ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD
55
56
#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
57
#   define ASF_PPI_SEQUENCE_FIELD_SIZE 1
58
#endif
59
#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
60
#   define ASF_PPI_SEQUENCE_FIELD_SIZE 2
61
#endif
62
#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
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#   define ASF_PPI_SEQUENCE_FIELD_SIZE 4
64
#endif
65
#ifndef ASF_PPI_SEQUENCE_FIELD_SIZE
66
#   define ASF_PPI_SEQUENCE_FIELD_SIZE 0
67
#endif
68
69
70
#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
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#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 1
72
#endif
73
#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
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#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 2
75
#endif
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#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
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#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 4
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#endif
79
#ifndef ASF_PPI_PACKET_LENGTH_FIELD_SIZE
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#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 0
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#endif
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#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
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#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 1
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#endif
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#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
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#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 2
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#endif
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#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
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#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 4
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#endif
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#ifndef ASF_PPI_PADDING_LENGTH_FIELD_SIZE
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#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 0
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#endif
95
96
#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
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#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 1
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#endif
99
#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
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#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 2
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#endif
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#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
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#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 4
104
#endif
105
#ifndef ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE
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#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 0
107
#endif
108
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#if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
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#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 1
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#endif
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#if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
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#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 2
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#endif
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#if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
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#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 4
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#endif
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#ifndef ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE
119
#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 0
120
#endif
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#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
123
#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 1
124
#endif
125
#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
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#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 2
127
#endif
128
#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
129
#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 4
130
#endif
131
#ifndef ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE
132
#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 0
133
#endif
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#if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
136
#   define ASF_PAYLOAD_LENGTH_FIELD_SIZE 1
137
#endif
138
#if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
139
#   define ASF_PAYLOAD_LENGTH_FIELD_SIZE 2
140
#endif
141
#ifndef ASF_PAYLOAD_LENGTH_FIELD_SIZE
142
#   define ASF_PAYLOAD_LENGTH_FIELD_SIZE 0
143
#endif
144
145
#define PACKET_HEADER_MIN_SIZE (\
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                ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE + \
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                ASF_PACKET_ERROR_CORRECTION_DATA_SIZE + \
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                1 + /*Length Type Flags*/ \
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                1 + /*Property Flags*/ \
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                ASF_PPI_PACKET_LENGTH_FIELD_SIZE + \
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                ASF_PPI_SEQUENCE_FIELD_SIZE + \
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                ASF_PPI_PADDING_LENGTH_FIELD_SIZE + \
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                4 + /*Send Time Field*/ \
154
                2   /*Duration Field*/ \
155
                )
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// Replicated Data shall be at least 8 bytes long.
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#define ASF_PAYLOAD_REPLICATED_DATA_LENGTH 0x08
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161
#define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD (\
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                1 + /*Stream Number*/ \
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                ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
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                ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
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                ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
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                ASF_PAYLOAD_REPLICATED_DATA_LENGTH \
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                )
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#define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS (\
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                1 + /*Stream Number*/ \
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                ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
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                ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
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                ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
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                ASF_PAYLOAD_REPLICATED_DATA_LENGTH + \
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                ASF_PAYLOAD_LENGTH_FIELD_SIZE \
176
                )
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#define SINGLE_PAYLOAD_DATA_LENGTH (\
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                PACKET_SIZE - \
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                PACKET_HEADER_MIN_SIZE - \
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                PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD \
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                )
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184
#define MULTI_PAYLOAD_CONSTANT (\
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                PACKET_SIZE - \
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                PACKET_HEADER_MIN_SIZE - \
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                1 - /*Payload Flags*/ \
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                2*PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
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                )
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static const AVCodecTag codec_asf_bmp_tags[] = {
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    { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
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    { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
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    { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
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    { CODEC_ID_NONE, 0 },
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};
197
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#define PREROLL_TIME 3100
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static void put_guid(ByteIOContext *s, const GUID *g)
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{
202 24c14d6d Michael Niedermayer
    assert(sizeof(*g) == 16);
203 d7742a74 Baptiste Coudurier
    put_buffer(s, *g, sizeof(*g));
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}
205
206 d65b8230 Michael Niedermayer
static void put_str16_nolen(ByteIOContext *s, const char *tag);
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static void put_str16(ByteIOContext *s, const char *tag)
208
{
209
    put_le16(s,strlen(tag) + 1);
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    put_str16_nolen(s, tag);
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}
212
213
static void put_str16_nolen(ByteIOContext *s, const char *tag)
214
{
215
    int c;
216
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    do{
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        c = (uint8_t)*tag++;
219
        put_le16(s, c);
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    }while(c);
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}
222
223
static int64_t put_header(ByteIOContext *pb, const GUID *g)
224
{
225
    int64_t pos;
226
227
    pos = url_ftell(pb);
228
    put_guid(pb, g);
229
    put_le64(pb, 24);
230
    return pos;
231
}
232
233
/* update header size */
234
static void end_header(ByteIOContext *pb, int64_t pos)
235
{
236
    int64_t pos1;
237
238
    pos1 = url_ftell(pb);
239
    url_fseek(pb, pos + 16, SEEK_SET);
240
    put_le64(pb, pos1 - pos);
241
    url_fseek(pb, pos1, SEEK_SET);
242
}
243
244
/* write an asf chunk (only used in streaming case) */
245
static void put_chunk(AVFormatContext *s, int type, int payload_length, int flags)
246
{
247
    ASFContext *asf = s->priv_data;
248 899681cd Björn Axelsson
    ByteIOContext *pb = s->pb;
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    int length;
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251
    length = payload_length + 8;
252
    put_le16(pb, type);
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    put_le16(pb, length);    //size
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    put_le32(pb, asf->seqno);//sequence number
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    put_le16(pb, flags); /* unknown bytes */
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    put_le16(pb, length);    //size_confirm
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    asf->seqno++;
258
}
259
260
/* convert from unix to windows time */
261
static int64_t unix_to_file_time(int ti)
262
{
263
    int64_t t;
264
265 8da9266c Måns Rullgård
    t = ti * INT64_C(10000000);
266
    t += INT64_C(116444736000000000);
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    return t;
268
}
269
270
/* write the header (used two times if non streamed) */
271
static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data_chunk_size)
272
{
273
    ASFContext *asf = s->priv_data;
274 899681cd Björn Axelsson
    ByteIOContext *pb = s->pb;
275 300f24f3 Aurelien Jacobs
    AVMetadataTag *title, *author, *copyright, *comment;
276 542993b0 Konstantin Andreyev
    int header_size, n, extra_size, extra_size2, wav_extra_size, file_time;
277
    int has_title;
278 488227c5 Aurelien Jacobs
    int metadata_count;
279 542993b0 Konstantin Andreyev
    AVCodecContext *enc;
280
    int64_t header_offset, cur_pos, hpos;
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    int bit_rate;
282 4336886c Brian Brice
    int64_t duration;
283 542993b0 Konstantin Andreyev
284 300f24f3 Aurelien Jacobs
    title     = av_metadata_get(s->metadata, "title"    , NULL, 0);
285
    author    = av_metadata_get(s->metadata, "author"   , NULL, 0);
286
    copyright = av_metadata_get(s->metadata, "copyright", NULL, 0);
287
    comment   = av_metadata_get(s->metadata, "comment"  , NULL, 0);
288
289 3caa0d93 Alex Beregszaszi
    duration = asf->duration + PREROLL_TIME * 10000;
290 300f24f3 Aurelien Jacobs
    has_title = title || author || copyright || comment;
291 488227c5 Aurelien Jacobs
    metadata_count = s->metadata ? s->metadata->count : 0;
292 542993b0 Konstantin Andreyev
293
    bit_rate = 0;
294
    for(n=0;n<s->nb_streams;n++) {
295 01f4895c Michael Niedermayer
        enc = s->streams[n]->codec;
296 542993b0 Konstantin Andreyev
297 9ee91c2f Michael Niedermayer
        av_set_pts_info(s->streams[n], 32, 1, 1000); /* 32 bit pts in ms */
298
299 542993b0 Konstantin Andreyev
        bit_rate += enc->bit_rate;
300
    }
301
302
    if (asf->is_streamed) {
303
        put_chunk(s, 0x4824, 0, 0xc00); /* start of stream (length will be patched later) */
304
    }
305
306 17af0525 Aurelien Jacobs
    put_guid(pb, &ff_asf_header);
307 542993b0 Konstantin Andreyev
    put_le64(pb, -1); /* header length, will be patched after */
308 488227c5 Aurelien Jacobs
    put_le32(pb, 3 + has_title + !!metadata_count + s->nb_streams); /* number of chunks in header */
309 542993b0 Konstantin Andreyev
    put_byte(pb, 1); /* ??? */
310
    put_byte(pb, 2); /* ??? */
311
312
    /* file header */
313
    header_offset = url_ftell(pb);
314 17af0525 Aurelien Jacobs
    hpos = put_header(pb, &ff_asf_file_header);
315
    put_guid(pb, &ff_asf_my_guid);
316 542993b0 Konstantin Andreyev
    put_le64(pb, file_size);
317
    file_time = 0;
318
    put_le64(pb, unix_to_file_time(file_time));
319
    put_le64(pb, asf->nb_packets); /* number of packets */
320 4336886c Brian Brice
    put_le64(pb, duration); /* end time stamp (in 100ns units) */
321 737287f8 Michael Niedermayer
    put_le64(pb, asf->duration); /* duration (in 100ns units) */
322 3caa0d93 Alex Beregszaszi
    put_le64(pb, PREROLL_TIME); /* start time stamp */
323 e1315fb1 Michael Niedermayer
    put_le32(pb, (asf->is_streamed || url_is_streamed(pb)) ? 3 : 2); /* ??? */
324 542993b0 Konstantin Andreyev
    put_le32(pb, asf->packet_size); /* packet size */
325
    put_le32(pb, asf->packet_size); /* packet size */
326
    put_le32(pb, bit_rate); /* Nominal data rate in bps */
327
    end_header(pb, hpos);
328
329
    /* unknown headers */
330 17af0525 Aurelien Jacobs
    hpos = put_header(pb, &ff_asf_head1_guid);
331
    put_guid(pb, &ff_asf_head2_guid);
332 542993b0 Konstantin Andreyev
    put_le32(pb, 6);
333
    put_le16(pb, 0);
334
    end_header(pb, hpos);
335
336
    /* title and other infos */
337
    if (has_title) {
338 17af0525 Aurelien Jacobs
        hpos = put_header(pb, &ff_asf_comment_header);
339 300f24f3 Aurelien Jacobs
        put_le16(pb, title     ? 2 * (strlen(title->value    ) + 1) : 0);
340
        put_le16(pb, author    ? 2 * (strlen(author->value   ) + 1) : 0);
341
        put_le16(pb, copyright ? 2 * (strlen(copyright->value) + 1) : 0);
342
        put_le16(pb, comment   ? 2 * (strlen(comment->value  ) + 1) : 0);
343 542993b0 Konstantin Andreyev
        put_le16(pb, 0);
344 300f24f3 Aurelien Jacobs
        if (title    ) put_str16_nolen(pb, title->value    );
345
        if (author   ) put_str16_nolen(pb, author->value   );
346
        if (copyright) put_str16_nolen(pb, copyright->value);
347
        if (comment  ) put_str16_nolen(pb, comment->value  );
348 542993b0 Konstantin Andreyev
        end_header(pb, hpos);
349
    }
350 488227c5 Aurelien Jacobs
    if (metadata_count) {
351
        AVMetadataTag *tag = NULL;
352 17af0525 Aurelien Jacobs
        hpos = put_header(pb, &ff_asf_extended_content_header);
353 488227c5 Aurelien Jacobs
        put_le16(pb, metadata_count);
354
        while ((tag = av_metadata_get(s->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX))) {
355
            put_le16(pb, 2*(strlen(tag->key) + 3) + 1);
356
            put_le16(pb, 'W');
357
            put_le16(pb, 'M');
358
            put_le16(pb, '/');
359
            put_str16_nolen(pb, tag->key);
360
            put_le16(pb, 0);
361
            put_le16(pb, 2*strlen(tag->value) + 1);
362
            put_str16_nolen(pb, tag->value);
363
        }
364
        end_header(pb, hpos);
365
    }
366 542993b0 Konstantin Andreyev
367
    /* stream headers */
368
    for(n=0;n<s->nb_streams;n++) {
369
        int64_t es_pos;
370
        //        ASFStream *stream = &asf->streams[n];
371
372 01f4895c Michael Niedermayer
        enc = s->streams[n]->codec;
373 542993b0 Konstantin Andreyev
        asf->streams[n].num = n + 1;
374
        asf->streams[n].seq = 0;
375
376 115329f1 Diego Biurrun
377 542993b0 Konstantin Andreyev
        switch(enc->codec_type) {
378
        case CODEC_TYPE_AUDIO:
379
            wav_extra_size = 0;
380
            extra_size = 18 + wav_extra_size;
381 1d7d9935 Michael Niedermayer
            extra_size2 = 8;
382 542993b0 Konstantin Andreyev
            break;
383
        default:
384
        case CODEC_TYPE_VIDEO:
385 982e53fe Calcium
            wav_extra_size = enc->extradata_size;
386
            extra_size = 0x33 + wav_extra_size;
387 542993b0 Konstantin Andreyev
            extra_size2 = 0;
388
            break;
389
        }
390
391 17af0525 Aurelien Jacobs
        hpos = put_header(pb, &ff_asf_stream_header);
392 542993b0 Konstantin Andreyev
        if (enc->codec_type == CODEC_TYPE_AUDIO) {
393 17af0525 Aurelien Jacobs
            put_guid(pb, &ff_asf_audio_stream);
394
            put_guid(pb, &ff_asf_audio_conceal_spread);
395 542993b0 Konstantin Andreyev
        } else {
396 17af0525 Aurelien Jacobs
            put_guid(pb, &ff_asf_video_stream);
397
            put_guid(pb, &ff_asf_video_conceal_none);
398 542993b0 Konstantin Andreyev
        }
399
        put_le64(pb, 0); /* ??? */
400
        es_pos = url_ftell(pb);
401
        put_le32(pb, extra_size); /* wav header len */
402
        put_le32(pb, extra_size2); /* additional data len */
403
        put_le16(pb, n + 1); /* stream number */
404
        put_le32(pb, 0); /* ??? */
405
406
        if (enc->codec_type == CODEC_TYPE_AUDIO) {
407
            /* WAVEFORMATEX header */
408
            int wavsize = put_wav_header(pb, enc);
409 982e53fe Calcium
            if ((enc->codec_id != CODEC_ID_MP3) && (enc->codec_id != CODEC_ID_MP2) && (enc->codec_id != CODEC_ID_ADPCM_IMA_WAV) && (enc->extradata_size==0)) {
410
                wavsize += 2;
411
                put_le16(pb, 0);
412
            }
413 542993b0 Konstantin Andreyev
414
            if (wavsize < 0)
415
                return -1;
416
            if (wavsize != extra_size) {
417
                cur_pos = url_ftell(pb);
418
                url_fseek(pb, es_pos, SEEK_SET);
419
                put_le32(pb, wavsize); /* wav header len */
420
                url_fseek(pb, cur_pos, SEEK_SET);
421
            }
422 982e53fe Calcium
            /* ERROR Correction */
423 1d7d9935 Michael Niedermayer
            put_byte(pb, 0x01);
424
            if(enc->codec_id == CODEC_ID_ADPCM_G726 || !enc->block_align){
425
                put_le16(pb, 0x0190);
426
                put_le16(pb, 0x0190);
427
            }else{
428
                put_le16(pb, enc->block_align);
429
                put_le16(pb, enc->block_align);
430
            }
431
            put_le16(pb, 0x01);
432
            put_byte(pb, 0x00);
433 542993b0 Konstantin Andreyev
        } else {
434
            put_le32(pb, enc->width);
435
            put_le32(pb, enc->height);
436
            put_byte(pb, 2); /* ??? */
437 982e53fe Calcium
            put_le16(pb, 40 + enc->extradata_size); /* size */
438 542993b0 Konstantin Andreyev
439
            /* BITMAPINFOHEADER header */
440
            put_bmp_header(pb, enc, codec_bmp_tags, 1);
441
        }
442
        end_header(pb, hpos);
443
    }
444
445
    /* media comments */
446
447 17af0525 Aurelien Jacobs
    hpos = put_header(pb, &ff_asf_codec_comment_header);
448
    put_guid(pb, &ff_asf_codec_comment1_header);
449 542993b0 Konstantin Andreyev
    put_le32(pb, s->nb_streams);
450
    for(n=0;n<s->nb_streams;n++) {
451
        AVCodec *p;
452
453 01f4895c Michael Niedermayer
        enc = s->streams[n]->codec;
454 542993b0 Konstantin Andreyev
        p = avcodec_find_encoder(enc->codec_id);
455
456 7205395b Michael Niedermayer
        if(enc->codec_type == CODEC_TYPE_AUDIO)
457
            put_le16(pb, 2);
458
        else if(enc->codec_type == CODEC_TYPE_VIDEO)
459
            put_le16(pb, 1);
460
        else
461
            put_le16(pb, -1);
462
463
        if(enc->codec_id == CODEC_ID_WMAV2)
464
            put_str16(pb, "Windows Media Audio V8");
465
        else
466
            put_str16(pb, p ? p->name : enc->codec_name);
467 542993b0 Konstantin Andreyev
        put_le16(pb, 0); /* no parameters */
468 115329f1 Diego Biurrun
469
470 542993b0 Konstantin Andreyev
        /* id */
471
        if (enc->codec_type == CODEC_TYPE_AUDIO) {
472
            put_le16(pb, 2);
473
            put_le16(pb, enc->codec_tag);
474
        } else {
475
            put_le16(pb, 4);
476
            put_le32(pb, enc->codec_tag);
477
        }
478 d65b8230 Michael Niedermayer
        if(!enc->codec_tag)
479
            return -1;
480 542993b0 Konstantin Andreyev
    }
481
    end_header(pb, hpos);
482
483
    /* patch the header size fields */
484
485
    cur_pos = url_ftell(pb);
486
    header_size = cur_pos - header_offset;
487
    if (asf->is_streamed) {
488
        header_size += 8 + 30 + 50;
489
490
        url_fseek(pb, header_offset - 10 - 30, SEEK_SET);
491
        put_le16(pb, header_size);
492
        url_fseek(pb, header_offset - 2 - 30, SEEK_SET);
493
        put_le16(pb, header_size);
494
495
        header_size -= 8 + 30 + 50;
496
    }
497
    header_size += 24 + 6;
498
    url_fseek(pb, header_offset - 14, SEEK_SET);
499
    put_le64(pb, header_size);
500
    url_fseek(pb, cur_pos, SEEK_SET);
501
502
    /* movie chunk, followed by packets of packet_size */
503
    asf->data_offset = cur_pos;
504 17af0525 Aurelien Jacobs
    put_guid(pb, &ff_asf_data_header);
505 542993b0 Konstantin Andreyev
    put_le64(pb, data_chunk_size);
506 17af0525 Aurelien Jacobs
    put_guid(pb, &ff_asf_my_guid);
507 542993b0 Konstantin Andreyev
    put_le64(pb, asf->nb_packets); /* nb packets */
508
    put_byte(pb, 1); /* ??? */
509
    put_byte(pb, 1); /* ??? */
510
    return 0;
511
}
512
513
static int asf_write_header(AVFormatContext *s)
514
{
515
    ASFContext *asf = s->priv_data;
516
517
    asf->packet_size = PACKET_SIZE;
518
    asf->nb_packets = 0;
519 115329f1 Diego Biurrun
520 982e53fe Calcium
    asf->last_indexed_pts = 0;
521 90901860 Michael Niedermayer
    asf->index_ptr = av_malloc( sizeof(ASFIndex) * ASF_INDEX_BLOCK );
522 982e53fe Calcium
    asf->nb_index_memory_alloc = ASF_INDEX_BLOCK;
523
    asf->nb_index_count = 0;
524
    asf->maximum_packet = 0;
525 542993b0 Konstantin Andreyev
526 ed7b48b2 Patric Stout
    /* the data-chunk-size has to be 50, which is data_size - asf->data_offset
527
     *  at the moment this function is done. It is needed to use asf as
528
     *  streamable format. */
529
    if (asf_write_header1(s, 0, 50) < 0) {
530 542993b0 Konstantin Andreyev
        //av_free(asf);
531
        return -1;
532
    }
533
534 899681cd Björn Axelsson
    put_flush_packet(s->pb);
535 542993b0 Konstantin Andreyev
536 615b92fd Konstantin Andreyev
    asf->packet_nb_payloads = 0;
537 542993b0 Konstantin Andreyev
    asf->packet_timestamp_start = -1;
538
    asf->packet_timestamp_end = -1;
539
    init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
540
                  NULL, NULL, NULL, NULL);
541
542
    return 0;
543
}
544
545
static int asf_write_stream_header(AVFormatContext *s)
546
{
547
    ASFContext *asf = s->priv_data;
548
549
    asf->is_streamed = 1;
550
551
    return asf_write_header(s);
552
}
553
554 615b92fd Konstantin Andreyev
static int put_payload_parsing_info(
555
                                AVFormatContext *s,
556 115329f1 Diego Biurrun
                                unsigned int    sendtime,
557 615b92fd Konstantin Andreyev
                                unsigned int    duration,
558 115329f1 Diego Biurrun
                                int             nb_payloads,
559 615b92fd Konstantin Andreyev
                                int             padsize
560
            )
561 542993b0 Konstantin Andreyev
{
562
    ASFContext *asf = s->priv_data;
563 899681cd Björn Axelsson
    ByteIOContext *pb = s->pb;
564 615b92fd Konstantin Andreyev
    int ppi_size, i;
565 ff5b8d83 Michael Niedermayer
    int64_t start= url_ftell(pb);
566 615b92fd Konstantin Andreyev
567
    int iLengthTypeFlags = ASF_PPI_LENGTH_TYPE_FLAGS;
568 115329f1 Diego Biurrun
569 2d241e66 Michael Niedermayer
    padsize -= PACKET_HEADER_MIN_SIZE;
570
    if(asf->multi_payloads_present)
571
        padsize--;
572
    assert(padsize>=0);
573
574 615b92fd Konstantin Andreyev
    put_byte(pb, ASF_PACKET_ERROR_CORRECTION_FLAGS);
575
    for (i = 0; i < ASF_PACKET_ERROR_CORRECTION_DATA_SIZE; i++){
576
        put_byte(pb, 0x0);
577 542993b0 Konstantin Andreyev
    }
578
579 615b92fd Konstantin Andreyev
    if (asf->multi_payloads_present)
580
        iLengthTypeFlags |= ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT;
581 542993b0 Konstantin Andreyev
582
    if (padsize > 0) {
583
        if (padsize < 256)
584 615b92fd Konstantin Andreyev
            iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE;
585 542993b0 Konstantin Andreyev
        else
586 615b92fd Konstantin Andreyev
            iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD;
587 542993b0 Konstantin Andreyev
    }
588 615b92fd Konstantin Andreyev
    put_byte(pb, iLengthTypeFlags);
589
590
    put_byte(pb, ASF_PPI_PROPERTY_FLAGS);
591
592
    if (iLengthTypeFlags & ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD)
593 542993b0 Konstantin Andreyev
        put_le16(pb, padsize - 2);
594 615b92fd Konstantin Andreyev
    if (iLengthTypeFlags & ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE)
595 542993b0 Konstantin Andreyev
        put_byte(pb, padsize - 1);
596 615b92fd Konstantin Andreyev
597
    put_le32(pb, sendtime);
598 542993b0 Konstantin Andreyev
    put_le16(pb, duration);
599 615b92fd Konstantin Andreyev
    if (asf->multi_payloads_present)
600
        put_byte(pb, nb_payloads | ASF_PAYLOAD_FLAGS);
601
602 ff5b8d83 Michael Niedermayer
    ppi_size = url_ftell(pb) - start;
603 542993b0 Konstantin Andreyev
604 615b92fd Konstantin Andreyev
    return ppi_size;
605 542993b0 Konstantin Andreyev
}
606
607
static void flush_packet(AVFormatContext *s)
608
{
609
    ASFContext *asf = s->priv_data;
610 615b92fd Konstantin Andreyev
    int packet_hdr_size, packet_filled_size;
611 542993b0 Konstantin Andreyev
612 a57c41b2 Michael Niedermayer
    assert(asf->packet_timestamp_end >= asf->packet_timestamp_start);
613
614 615b92fd Konstantin Andreyev
    if (asf->is_streamed) {
615
        put_chunk(s, 0x4424, asf->packet_size, 0);
616
    }
617
618
    packet_hdr_size = put_payload_parsing_info(
619
                            s,
620
                            asf->packet_timestamp_start,
621
                            asf->packet_timestamp_end - asf->packet_timestamp_start,
622
                            asf->packet_nb_payloads,
623
                            asf->packet_size_left
624
                        );
625 542993b0 Konstantin Andreyev
626 2d241e66 Michael Niedermayer
    packet_filled_size = PACKET_SIZE - asf->packet_size_left;
627
    assert(packet_hdr_size <= asf->packet_size_left);
628 615b92fd Konstantin Andreyev
    memset(asf->packet_buf + packet_filled_size, 0, asf->packet_size_left);
629 542993b0 Konstantin Andreyev
630 899681cd Björn Axelsson
    put_buffer(s->pb, asf->packet_buf, asf->packet_size - packet_hdr_size);
631 542993b0 Konstantin Andreyev
632 899681cd Björn Axelsson
    put_flush_packet(s->pb);
633 542993b0 Konstantin Andreyev
    asf->nb_packets++;
634 615b92fd Konstantin Andreyev
    asf->packet_nb_payloads = 0;
635 542993b0 Konstantin Andreyev
    asf->packet_timestamp_start = -1;
636
    asf->packet_timestamp_end = -1;
637
    init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
638
                  NULL, NULL, NULL, NULL);
639
}
640
641 615b92fd Konstantin Andreyev
static void put_payload_header(
642
                                AVFormatContext *s,
643
                                ASFStream       *stream,
644
                                int             presentation_time,
645
                                int             m_obj_size,
646
                                int             m_obj_offset,
647 3c895fc0 Michael Niedermayer
                                int             payload_len,
648
                                int             flags
649 615b92fd Konstantin Andreyev
            )
650 542993b0 Konstantin Andreyev
{
651
    ASFContext *asf = s->priv_data;
652
    ByteIOContext *pb = &asf->pb;
653
    int val;
654 115329f1 Diego Biurrun
655 542993b0 Konstantin Andreyev
    val = stream->num;
656 3c895fc0 Michael Niedermayer
    if (flags & PKT_FLAG_KEY)
657 615b92fd Konstantin Andreyev
        val |= ASF_PL_FLAG_KEY_FRAME;
658 542993b0 Konstantin Andreyev
    put_byte(pb, val);
659 115329f1 Diego Biurrun
660 615b92fd Konstantin Andreyev
    put_byte(pb, stream->seq);  //Media object number
661
    put_le32(pb, m_obj_offset); //Offset Into Media Object
662 115329f1 Diego Biurrun
663 615b92fd Konstantin Andreyev
    // Replicated Data shall be at least 8 bytes long.
664 115329f1 Diego Biurrun
    // The first 4 bytes of data shall contain the
665 615b92fd Konstantin Andreyev
    // Size of the Media Object that the payload belongs to.
666 115329f1 Diego Biurrun
    // The next 4 bytes of data shall contain the
667 615b92fd Konstantin Andreyev
    // Presentation Time for the media object that the payload belongs to.
668
    put_byte(pb, ASF_PAYLOAD_REPLICATED_DATA_LENGTH);
669
670
    put_le32(pb, m_obj_size);       //Replicated Data - Media Object Size
671
    put_le32(pb, presentation_time);//Replicated Data - Presentation Time
672 115329f1 Diego Biurrun
673 615b92fd Konstantin Andreyev
    if (asf->multi_payloads_present){
674
        put_le16(pb, payload_len);   //payload length
675
    }
676 542993b0 Konstantin Andreyev
}
677
678 615b92fd Konstantin Andreyev
static void put_frame(
679
                    AVFormatContext *s,
680
                    ASFStream       *stream,
681 75b213ed Michael Niedermayer
                    AVStream        *avst,
682 bb270c08 Diego Biurrun
                    int             timestamp,
683 615b92fd Konstantin Andreyev
                    const uint8_t   *buf,
684 bb270c08 Diego Biurrun
                    int             m_obj_size,
685 3c895fc0 Michael Niedermayer
                    int             flags
686 bb270c08 Diego Biurrun
                )
687 542993b0 Konstantin Andreyev
{
688
    ASFContext *asf = s->priv_data;
689 615b92fd Konstantin Andreyev
    int m_obj_offset, payload_len, frag_len1;
690
691
    m_obj_offset = 0;
692
    while (m_obj_offset < m_obj_size) {
693
        payload_len = m_obj_size - m_obj_offset;
694
        if (asf->packet_timestamp_start == -1) {
695
            asf->multi_payloads_present = (payload_len < MULTI_PAYLOAD_CONSTANT);
696 115329f1 Diego Biurrun
697 2d241e66 Michael Niedermayer
            asf->packet_size_left = PACKET_SIZE;
698 615b92fd Konstantin Andreyev
            if (asf->multi_payloads_present){
699
                frag_len1 = MULTI_PAYLOAD_CONSTANT - 1;
700
            }
701
            else {
702
                frag_len1 = SINGLE_PAYLOAD_DATA_LENGTH;
703
            }
704 190972a0 Michael Niedermayer
            asf->packet_timestamp_start = timestamp;
705 615b92fd Konstantin Andreyev
        }
706
        else {
707
            // multi payloads
708 2d241e66 Michael Niedermayer
            frag_len1 = asf->packet_size_left - PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS - PACKET_HEADER_MIN_SIZE - 1;
709 542993b0 Konstantin Andreyev
710 75b213ed Michael Niedermayer
            if(frag_len1 < payload_len && avst->codec->codec_type == CODEC_TYPE_AUDIO){
711
                flush_packet(s);
712
                continue;
713
            }
714 615b92fd Konstantin Andreyev
        }
715 542993b0 Konstantin Andreyev
        if (frag_len1 > 0) {
716 615b92fd Konstantin Andreyev
            if (payload_len > frag_len1)
717
                payload_len = frag_len1;
718
            else if (payload_len == (frag_len1 - 1))
719
                payload_len = frag_len1 - 2;  //additional byte need to put padding length
720 115329f1 Diego Biurrun
721 3caa0d93 Alex Beregszaszi
            put_payload_header(s, stream, timestamp+PREROLL_TIME, m_obj_size, m_obj_offset, payload_len, flags);
722 615b92fd Konstantin Andreyev
            put_buffer(&asf->pb, buf, payload_len);
723
724
            if (asf->multi_payloads_present)
725
                asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS);
726
            else
727
                asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD);
728 542993b0 Konstantin Andreyev
            asf->packet_timestamp_end = timestamp;
729 115329f1 Diego Biurrun
730 615b92fd Konstantin Andreyev
            asf->packet_nb_payloads++;
731 542993b0 Konstantin Andreyev
        } else {
732 615b92fd Konstantin Andreyev
            payload_len = 0;
733 542993b0 Konstantin Andreyev
        }
734 615b92fd Konstantin Andreyev
        m_obj_offset += payload_len;
735
        buf += payload_len;
736
737
        if (!asf->multi_payloads_present)
738
            flush_packet(s);
739 2d241e66 Michael Niedermayer
        else if (asf->packet_size_left <= (PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS + PACKET_HEADER_MIN_SIZE + 1))
740 542993b0 Konstantin Andreyev
            flush_packet(s);
741
    }
742
    stream->seq++;
743
}
744
745 e928649b Michael Niedermayer
static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
746 542993b0 Konstantin Andreyev
{
747
    ASFContext *asf = s->priv_data;
748
    ASFStream *stream;
749
    int64_t duration;
750
    AVCodecContext *codec;
751 115329f1 Diego Biurrun
    int64_t packet_st,pts;
752 982e53fe Calcium
    int start_sec,i;
753 0d9f8633 Michael Niedermayer
    int flags= pkt->flags;
754 542993b0 Konstantin Andreyev
755 01f4895c Michael Niedermayer
    codec = s->streams[pkt->stream_index]->codec;
756 e928649b Michael Niedermayer
    stream = &asf->streams[pkt->stream_index];
757 542993b0 Konstantin Andreyev
758 0d9f8633 Michael Niedermayer
    if(codec->codec_type == CODEC_TYPE_AUDIO)
759
        flags &= ~PKT_FLAG_KEY;
760
761 982e53fe Calcium
    pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts;
762 9bc93229 Michael Niedermayer
    assert(pts != AV_NOPTS_VALUE);
763
    duration = pts * 10000;
764 4fa6eac5 Henrik Gulbrandsen
    asf->duration= FFMAX(asf->duration, duration + pkt->duration * 10000);
765 542993b0 Konstantin Andreyev
766 982e53fe Calcium
    packet_st = asf->nb_packets;
767 75b213ed Michael Niedermayer
    put_frame(s, stream, s->streams[pkt->stream_index], pkt->dts, pkt->data, pkt->size, flags);
768 982e53fe Calcium
769
    /* check index */
770 0d9f8633 Michael Niedermayer
    if ((!asf->is_streamed) && (flags & PKT_FLAG_KEY)) {
771 8da9266c Måns Rullgård
        start_sec = (int)(duration / INT64_C(10000000));
772
        if (start_sec != (int)(asf->last_indexed_pts / INT64_C(10000000))) {
773 982e53fe Calcium
            for(i=asf->nb_index_count;i<start_sec;i++) {
774
                if (i>=asf->nb_index_memory_alloc) {
775
                    asf->nb_index_memory_alloc += ASF_INDEX_BLOCK;
776
                    asf->index_ptr = (ASFIndex*)av_realloc( asf->index_ptr, sizeof(ASFIndex) * asf->nb_index_memory_alloc );
777
                }
778
                // store
779
                asf->index_ptr[i].packet_number = (uint32_t)packet_st;
780
                asf->index_ptr[i].packet_count  = (uint16_t)(asf->nb_packets-packet_st);
781 d65b8230 Michael Niedermayer
                asf->maximum_packet = FFMAX(asf->maximum_packet, (uint16_t)(asf->nb_packets-packet_st));
782 982e53fe Calcium
            }
783
            asf->nb_index_count = start_sec;
784
            asf->last_indexed_pts = duration;
785
        }
786
    }
787
    return 0;
788
}
789
790
//
791
static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, uint32_t count)
792
{
793 899681cd Björn Axelsson
    ByteIOContext *pb = s->pb;
794 982e53fe Calcium
    int i;
795
796 17af0525 Aurelien Jacobs
    put_guid(pb, &ff_asf_simple_index_header);
797 982e53fe Calcium
    put_le64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2)*count);
798 17af0525 Aurelien Jacobs
    put_guid(pb, &ff_asf_my_guid);
799 982e53fe Calcium
    put_le64(pb, ASF_INDEXED_INTERVAL);
800
    put_le32(pb, max);
801
    put_le32(pb, count);
802
    for(i=0; i<count; i++) {
803
        put_le32(pb, index[i].packet_number);
804
        put_le16(pb, index[i].packet_count);
805
    }
806
807 542993b0 Konstantin Andreyev
    return 0;
808
}
809
810
static int asf_write_trailer(AVFormatContext *s)
811
{
812
    ASFContext *asf = s->priv_data;
813 982e53fe Calcium
    int64_t file_size,data_size;
814 542993b0 Konstantin Andreyev
815
    /* flush the current packet */
816
    if (asf->pb.buf_ptr > asf->pb.buffer)
817
        flush_packet(s);
818
819 982e53fe Calcium
    /* write index */
820 899681cd Björn Axelsson
    data_size = url_ftell(s->pb);
821 982e53fe Calcium
    if ((!asf->is_streamed) && (asf->nb_index_count != 0)) {
822
        asf_write_index(s, asf->index_ptr, asf->maximum_packet, asf->nb_index_count);
823
    }
824 899681cd Björn Axelsson
    put_flush_packet(s->pb);
825 982e53fe Calcium
826 899681cd Björn Axelsson
    if (asf->is_streamed || url_is_streamed(s->pb)) {
827 542993b0 Konstantin Andreyev
        put_chunk(s, 0x4524, 0, 0); /* end of stream */
828
    } else {
829
        /* rewrite an updated header */
830 899681cd Björn Axelsson
        file_size = url_ftell(s->pb);
831
        url_fseek(s->pb, 0, SEEK_SET);
832 982e53fe Calcium
        asf_write_header1(s, file_size, data_size - asf->data_offset);
833 542993b0 Konstantin Andreyev
    }
834
835 899681cd Björn Axelsson
    put_flush_packet(s->pb);
836 982e53fe Calcium
    av_free(asf->index_ptr);
837 542993b0 Konstantin Andreyev
    return 0;
838
}
839
840 b250f9c6 Aurelien Jacobs
#if CONFIG_ASF_MUXER
841 d2a067d1 Måns Rullgård
AVOutputFormat asf_muxer = {
842 542993b0 Konstantin Andreyev
    "asf",
843 bde15e74 Stefano Sabatini
    NULL_IF_CONFIG_SMALL("ASF format"),
844 542993b0 Konstantin Andreyev
    "video/x-ms-asf",
845 87094371 Michael Niedermayer
    "asf,wmv,wma",
846 542993b0 Konstantin Andreyev
    sizeof(ASFContext),
847 b250f9c6 Aurelien Jacobs
#if CONFIG_LIBMP3LAME
848 542993b0 Konstantin Andreyev
    CODEC_ID_MP3,
849
#else
850
    CODEC_ID_MP2,
851
#endif
852
    CODEC_ID_MSMPEG4V3,
853
    asf_write_header,
854
    asf_write_packet,
855
    asf_write_trailer,
856 982e53fe Calcium
    .flags = AVFMT_GLOBALHEADER,
857 c1854592 Reimar Döffinger
    .codec_tag= (const AVCodecTag* const []){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
858 542993b0 Konstantin Andreyev
};
859 ff70e601 Måns Rullgård
#endif
860 542993b0 Konstantin Andreyev
861 b250f9c6 Aurelien Jacobs
#if CONFIG_ASF_STREAM_MUXER
862 d2a067d1 Måns Rullgård
AVOutputFormat asf_stream_muxer = {
863 542993b0 Konstantin Andreyev
    "asf_stream",
864 bde15e74 Stefano Sabatini
    NULL_IF_CONFIG_SMALL("ASF format"),
865 542993b0 Konstantin Andreyev
    "video/x-ms-asf",
866 87094371 Michael Niedermayer
    "asf,wmv,wma",
867 542993b0 Konstantin Andreyev
    sizeof(ASFContext),
868 b250f9c6 Aurelien Jacobs
#if CONFIG_LIBMP3LAME
869 542993b0 Konstantin Andreyev
    CODEC_ID_MP3,
870
#else
871
    CODEC_ID_MP2,
872
#endif
873
    CODEC_ID_MSMPEG4V3,
874
    asf_write_stream_header,
875
    asf_write_packet,
876
    asf_write_trailer,
877 982e53fe Calcium
    .flags = AVFMT_GLOBALHEADER,
878 c1854592 Reimar Döffinger
    .codec_tag= (const AVCodecTag* const []){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
879 542993b0 Konstantin Andreyev
};
880 ff70e601 Måns Rullgård
#endif //CONFIG_ASF_STREAM_MUXER