rename asf-enc.c to asfenc.c and asf.c to asfdec.c for consistency

Originally committed as revision 17618 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 880 deletions

diff --git a/libavformat/asf-enc.c b/libavformat/asf-enc.c
deleted file mode 100644
index ae6cc2d09a..0000000000
--- a/libavformat/asf-enc.c
+++ /dev/null
@@ -1,880 +0,0 @@
-/*
- * ASF muxer
- * 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
- */
-#include "avformat.h"
-#include "metadata.h"
-#include "riff.h"
-#include "asf.h"
-
-#undef NDEBUG
-#include <assert.h>
-
-
-#define ASF_INDEXED_INTERVAL    10000000
-#define ASF_INDEX_BLOCK         600
-
-#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2
-#define ASF_PACKET_ERROR_CORRECTION_FLAGS (\
-                ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \
-                ASF_PACKET_ERROR_CORRECTION_DATA_SIZE\
-                )
-
-#if (ASF_PACKET_ERROR_CORRECTION_FLAGS != 0)
-#   define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1
-#else
-#   define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 0
-#endif
-
-#define ASF_PPI_PROPERTY_FLAGS (\
-                ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE | \
-                ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD | \
-                ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE | \
-                ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE \
-                )
-
-#define ASF_PPI_LENGTH_TYPE_FLAGS 0
-
-#define ASF_PAYLOAD_FLAGS ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD
-
-#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
-#   define ASF_PPI_SEQUENCE_FIELD_SIZE 1
-#endif
-#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
-#   define ASF_PPI_SEQUENCE_FIELD_SIZE 2
-#endif
-#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
-#   define ASF_PPI_SEQUENCE_FIELD_SIZE 4
-#endif
-#ifndef ASF_PPI_SEQUENCE_FIELD_SIZE
-#   define ASF_PPI_SEQUENCE_FIELD_SIZE 0
-#endif
-
-
-#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
-#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 1
-#endif
-#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
-#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 2
-#endif
-#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
-#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 4
-#endif
-#ifndef ASF_PPI_PACKET_LENGTH_FIELD_SIZE
-#   define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 0
-#endif
-
-#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
-#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 1
-#endif
-#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
-#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 2
-#endif
-#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
-#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 4
-#endif
-#ifndef ASF_PPI_PADDING_LENGTH_FIELD_SIZE
-#   define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 0
-#endif
-
-#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 1
-#endif
-#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 2
-#endif
-#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 4
-#endif
-#ifndef ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE
-#   define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 0
-#endif
-
-#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))
-#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 1
-#endif
-#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))
-#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 2
-#endif
-#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))
-#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 4
-#endif
-#ifndef ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE
-#   define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 0
-#endif
-
-#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 1
-#endif
-#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 2
-#endif
-#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 4
-#endif
-#ifndef ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE
-#   define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 0
-#endif
-
-#if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_LENGTH_FIELD_SIZE 1
-#endif
-#if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
-#   define ASF_PAYLOAD_LENGTH_FIELD_SIZE 2
-#endif
-#ifndef ASF_PAYLOAD_LENGTH_FIELD_SIZE
-#   define ASF_PAYLOAD_LENGTH_FIELD_SIZE 0
-#endif
-
-#define PACKET_HEADER_MIN_SIZE (\
-                ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE + \
-                ASF_PACKET_ERROR_CORRECTION_DATA_SIZE + \
-                1 + /*Length Type Flags*/ \
-                1 + /*Property Flags*/ \
-                ASF_PPI_PACKET_LENGTH_FIELD_SIZE + \
-                ASF_PPI_SEQUENCE_FIELD_SIZE + \
-                ASF_PPI_PADDING_LENGTH_FIELD_SIZE + \
-                4 + /*Send Time Field*/ \
-                2   /*Duration Field*/ \
-                )
-
-
-// Replicated Data shall be at least 8 bytes long.
-#define ASF_PAYLOAD_REPLICATED_DATA_LENGTH 0x08
-
-#define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD (\
-                1 + /*Stream Number*/ \
-                ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
-                ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
-                ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
-                ASF_PAYLOAD_REPLICATED_DATA_LENGTH \
-                )
-
-#define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS (\
-                1 + /*Stream Number*/ \
-                ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
-                ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
-                ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
-                ASF_PAYLOAD_REPLICATED_DATA_LENGTH + \
-                ASF_PAYLOAD_LENGTH_FIELD_SIZE \
-                )
-
-#define SINGLE_PAYLOAD_DATA_LENGTH (\
-                PACKET_SIZE - \
-                PACKET_HEADER_MIN_SIZE - \
-                PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD \
-                )
-
-#define MULTI_PAYLOAD_CONSTANT (\
-                PACKET_SIZE - \
-                PACKET_HEADER_MIN_SIZE - \
-                1 - /*Payload Flags*/ \
-                2*PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
-                )
-
-static const AVCodecTag codec_asf_bmp_tags[] = {
-    { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
-    { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
-    { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
-    { CODEC_ID_NONE, 0 },
-};
-
-#define PREROLL_TIME 3100
-
-static void put_guid(ByteIOContext *s, const GUID *g)
-{
-    assert(sizeof(*g) == 16);
-    put_buffer(s, *g, sizeof(*g));
-}
-
-static void put_str16_nolen(ByteIOContext *s, const char *tag);
-static void put_str16(ByteIOContext *s, const char *tag)
-{
-    put_le16(s,strlen(tag) + 1);
-    put_str16_nolen(s, tag);
-}
-
-static void put_str16_nolen(ByteIOContext *s, const char *tag)
-{
-    int c;
-
-    do{
-        c = (uint8_t)*tag++;
-        put_le16(s, c);
-    }while(c);
-}
-
-static int64_t put_header(ByteIOContext *pb, const GUID *g)
-{
-    int64_t pos;
-
-    pos = url_ftell(pb);
-    put_guid(pb, g);
-    put_le64(pb, 24);
-    return pos;
-}
-
-/* update header size */
-static void end_header(ByteIOContext *pb, int64_t pos)
-{
-    int64_t pos1;
-
-    pos1 = url_ftell(pb);
-    url_fseek(pb, pos + 16, SEEK_SET);
-    put_le64(pb, pos1 - pos);
-    url_fseek(pb, pos1, SEEK_SET);
-}
-
-/* write an asf chunk (only used in streaming case) */
-static void put_chunk(AVFormatContext *s, int type, int payload_length, int flags)
-{
-    ASFContext *asf = s->priv_data;
-    ByteIOContext *pb = s->pb;
-    int length;
-
-    length = payload_length + 8;
-    put_le16(pb, type);
-    put_le16(pb, length);    //size
-    put_le32(pb, asf->seqno);//sequence number
-    put_le16(pb, flags); /* unknown bytes */
-    put_le16(pb, length);    //size_confirm
-    asf->seqno++;
-}
-
-/* convert from unix to windows time */
-static int64_t unix_to_file_time(int ti)
-{
-    int64_t t;
-
-    t = ti * INT64_C(10000000);
-    t += INT64_C(116444736000000000);
-    return t;
-}
-
-/* write the header (used two times if non streamed) */
-static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data_chunk_size)
-{
-    ASFContext *asf = s->priv_data;
-    ByteIOContext *pb = s->pb;
-    AVMetadataTag *title, *author, *copyright, *comment;
-    int header_size, n, extra_size, extra_size2, wav_extra_size, file_time;
-    int has_title;
-    int metadata_count;
-    AVCodecContext *enc;
-    int64_t header_offset, cur_pos, hpos;
-    int bit_rate;
-    int64_t duration;
-
-    title     = av_metadata_get(s->metadata, "title"    , NULL, 0);
-    author    = av_metadata_get(s->metadata, "author"   , NULL, 0);
-    copyright = av_metadata_get(s->metadata, "copyright", NULL, 0);
-    comment   = av_metadata_get(s->metadata, "comment"  , NULL, 0);
-
-    duration = asf->duration + PREROLL_TIME * 10000;
-    has_title = title || author || copyright || comment;
-    metadata_count = s->metadata ? s->metadata->count : 0;
-
-    bit_rate = 0;
-    for(n=0;n<s->nb_streams;n++) {
-        enc = s->streams[n]->codec;
-
-        av_set_pts_info(s->streams[n], 32, 1, 1000); /* 32 bit pts in ms */
-
-        bit_rate += enc->bit_rate;
-    }
-
-    if (asf->is_streamed) {
-        put_chunk(s, 0x4824, 0, 0xc00); /* start of stream (length will be patched later) */
-    }
-
-    put_guid(pb, &asf_header);
-    put_le64(pb, -1); /* header length, will be patched after */
-    put_le32(pb, 3 + has_title + !!metadata_count + s->nb_streams); /* number of chunks in header */
-    put_byte(pb, 1); /* ??? */
-    put_byte(pb, 2); /* ??? */
-
-    /* file header */
-    header_offset = url_ftell(pb);
-    hpos = put_header(pb, &file_header);
-    put_guid(pb, &my_guid);
-    put_le64(pb, file_size);
-    file_time = 0;
-    put_le64(pb, unix_to_file_time(file_time));
-    put_le64(pb, asf->nb_packets); /* number of packets */
-    put_le64(pb, duration); /* end time stamp (in 100ns units) */
-    put_le64(pb, asf->duration); /* duration (in 100ns units) */
-    put_le64(pb, PREROLL_TIME); /* start time stamp */
-    put_le32(pb, (asf->is_streamed || url_is_streamed(pb)) ? 3 : 2); /* ??? */
-    put_le32(pb, asf->packet_size); /* packet size */
-    put_le32(pb, asf->packet_size); /* packet size */
-    put_le32(pb, bit_rate); /* Nominal data rate in bps */
-    end_header(pb, hpos);
-
-    /* unknown headers */
-    hpos = put_header(pb, &head1_guid);
-    put_guid(pb, &head2_guid);
-    put_le32(pb, 6);
-    put_le16(pb, 0);
-    end_header(pb, hpos);
-
-    /* title and other infos */
-    if (has_title) {
-        hpos = put_header(pb, &comment_header);
-        put_le16(pb, title     ? 2 * (strlen(title->value    ) + 1) : 0);
-        put_le16(pb, author    ? 2 * (strlen(author->value   ) + 1) : 0);
-        put_le16(pb, copyright ? 2 * (strlen(copyright->value) + 1) : 0);
-        put_le16(pb, comment   ? 2 * (strlen(comment->value  ) + 1) : 0);
-        put_le16(pb, 0);
-        if (title    ) put_str16_nolen(pb, title->value    );
-        if (author   ) put_str16_nolen(pb, author->value   );
-        if (copyright) put_str16_nolen(pb, copyright->value);
-        if (comment  ) put_str16_nolen(pb, comment->value  );
-        end_header(pb, hpos);
-    }
-    if (metadata_count) {
-        AVMetadataTag *tag = NULL;
-        hpos = put_header(pb, &extended_content_header);
-        put_le16(pb, metadata_count);
-        while ((tag = av_metadata_get(s->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX))) {
-            put_le16(pb, 2*(strlen(tag->key) + 3) + 1);
-            put_le16(pb, 'W');
-            put_le16(pb, 'M');
-            put_le16(pb, '/');
-            put_str16_nolen(pb, tag->key);
-            put_le16(pb, 0);
-            put_le16(pb, 2*strlen(tag->value) + 1);
-            put_str16_nolen(pb, tag->value);
-        }
-        end_header(pb, hpos);
-    }
-
-    /* stream headers */
-    for(n=0;n<s->nb_streams;n++) {
-        int64_t es_pos;
-        //        ASFStream *stream = &asf->streams[n];
-
-        enc = s->streams[n]->codec;
-        asf->streams[n].num = n + 1;
-        asf->streams[n].seq = 0;
-
-
-        switch(enc->codec_type) {
-        case CODEC_TYPE_AUDIO:
-            wav_extra_size = 0;
-            extra_size = 18 + wav_extra_size;
-            extra_size2 = 8;
-            break;
-        default:
-        case CODEC_TYPE_VIDEO:
-            wav_extra_size = enc->extradata_size;
-            extra_size = 0x33 + wav_extra_size;
-            extra_size2 = 0;
-            break;
-        }
-
-        hpos = put_header(pb, &stream_header);
-        if (enc->codec_type == CODEC_TYPE_AUDIO) {
-            put_guid(pb, &audio_stream);
-            put_guid(pb, &audio_conceal_spread);
-        } else {
-            put_guid(pb, &video_stream);
-            put_guid(pb, &video_conceal_none);
-        }
-        put_le64(pb, 0); /* ??? */
-        es_pos = url_ftell(pb);
-        put_le32(pb, extra_size); /* wav header len */
-        put_le32(pb, extra_size2); /* additional data len */
-        put_le16(pb, n + 1); /* stream number */
-        put_le32(pb, 0); /* ??? */
-
-        if (enc->codec_type == CODEC_TYPE_AUDIO) {
-            /* WAVEFORMATEX header */
-            int wavsize = put_wav_header(pb, enc);
-            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)) {
-                wavsize += 2;
-                put_le16(pb, 0);
-            }
-
-            if (wavsize < 0)
-                return -1;
-            if (wavsize != extra_size) {
-                cur_pos = url_ftell(pb);
-                url_fseek(pb, es_pos, SEEK_SET);
-                put_le32(pb, wavsize); /* wav header len */
-                url_fseek(pb, cur_pos, SEEK_SET);
-            }
-            /* ERROR Correction */
-            put_byte(pb, 0x01);
-            if(enc->codec_id == CODEC_ID_ADPCM_G726 || !enc->block_align){
-                put_le16(pb, 0x0190);
-                put_le16(pb, 0x0190);
-            }else{
-                put_le16(pb, enc->block_align);
-                put_le16(pb, enc->block_align);
-            }
-            put_le16(pb, 0x01);
-            put_byte(pb, 0x00);
-        } else {
-            put_le32(pb, enc->width);
-            put_le32(pb, enc->height);
-            put_byte(pb, 2); /* ??? */
-            put_le16(pb, 40 + enc->extradata_size); /* size */
-
-            /* BITMAPINFOHEADER header */
-            put_bmp_header(pb, enc, codec_bmp_tags, 1);
-        }
-        end_header(pb, hpos);
-    }
-
-    /* media comments */
-
-    hpos = put_header(pb, &codec_comment_header);
-    put_guid(pb, &codec_comment1_header);
-    put_le32(pb, s->nb_streams);
-    for(n=0;n<s->nb_streams;n++) {
-        AVCodec *p;
-
-        enc = s->streams[n]->codec;
-        p = avcodec_find_encoder(enc->codec_id);
-
-        if(enc->codec_type == CODEC_TYPE_AUDIO)
-            put_le16(pb, 2);
-        else if(enc->codec_type == CODEC_TYPE_VIDEO)
-            put_le16(pb, 1);
-        else
-            put_le16(pb, -1);
-
-        if(enc->codec_id == CODEC_ID_WMAV2)
-            put_str16(pb, "Windows Media Audio V8");
-        else
-            put_str16(pb, p ? p->name : enc->codec_name);
-        put_le16(pb, 0); /* no parameters */
-
-
-        /* id */
-        if (enc->codec_type == CODEC_TYPE_AUDIO) {
-            put_le16(pb, 2);
-            put_le16(pb, enc->codec_tag);
-        } else {
-            put_le16(pb, 4);
-            put_le32(pb, enc->codec_tag);
-        }
-        if(!enc->codec_tag)
-            return -1;
-    }
-    end_header(pb, hpos);
-
-    /* patch the header size fields */
-
-    cur_pos = url_ftell(pb);
-    header_size = cur_pos - header_offset;
-    if (asf->is_streamed) {
-        header_size += 8 + 30 + 50;
-
-        url_fseek(pb, header_offset - 10 - 30, SEEK_SET);
-        put_le16(pb, header_size);
-        url_fseek(pb, header_offset - 2 - 30, SEEK_SET);
-        put_le16(pb, header_size);
-
-        header_size -= 8 + 30 + 50;
-    }
-    header_size += 24 + 6;
-    url_fseek(pb, header_offset - 14, SEEK_SET);
-    put_le64(pb, header_size);
-    url_fseek(pb, cur_pos, SEEK_SET);
-
-    /* movie chunk, followed by packets of packet_size */
-    asf->data_offset = cur_pos;
-    put_guid(pb, &data_header);
-    put_le64(pb, data_chunk_size);
-    put_guid(pb, &my_guid);
-    put_le64(pb, asf->nb_packets); /* nb packets */
-    put_byte(pb, 1); /* ??? */
-    put_byte(pb, 1); /* ??? */
-    return 0;
-}
-
-static int asf_write_header(AVFormatContext *s)
-{
-    ASFContext *asf = s->priv_data;
-
-    asf->packet_size = PACKET_SIZE;
-    asf->nb_packets = 0;
-
-    asf->last_indexed_pts = 0;
-    asf->index_ptr = av_malloc( sizeof(ASFIndex) * ASF_INDEX_BLOCK );
-    asf->nb_index_memory_alloc = ASF_INDEX_BLOCK;
-    asf->nb_index_count = 0;
-    asf->maximum_packet = 0;
-
-    /* the data-chunk-size has to be 50, which is data_size - asf->data_offset
-     *  at the moment this function is done. It is needed to use asf as
-     *  streamable format. */
-    if (asf_write_header1(s, 0, 50) < 0) {
-        //av_free(asf);
-        return -1;
-    }
-
-    put_flush_packet(s->pb);
-
-    asf->packet_nb_payloads = 0;
-    asf->packet_timestamp_start = -1;
-    asf->packet_timestamp_end = -1;
-    init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
-                  NULL, NULL, NULL, NULL);
-
-    return 0;
-}
-
-static int asf_write_stream_header(AVFormatContext *s)
-{
-    ASFContext *asf = s->priv_data;
-
-    asf->is_streamed = 1;
-
-    return asf_write_header(s);
-}
-
-static int put_payload_parsing_info(
-                                AVFormatContext *s,
-                                unsigned int    sendtime,
-                                unsigned int    duration,
-                                int             nb_payloads,
-                                int             padsize
-            )
-{
-    ASFContext *asf = s->priv_data;
-    ByteIOContext *pb = s->pb;
-    int ppi_size, i;
-    int64_t start= url_ftell(pb);
-
-    int iLengthTypeFlags = ASF_PPI_LENGTH_TYPE_FLAGS;
-
-    padsize -= PACKET_HEADER_MIN_SIZE;
-    if(asf->multi_payloads_present)
-        padsize--;
-    assert(padsize>=0);
-
-    put_byte(pb, ASF_PACKET_ERROR_CORRECTION_FLAGS);
-    for (i = 0; i < ASF_PACKET_ERROR_CORRECTION_DATA_SIZE; i++){
-        put_byte(pb, 0x0);
-    }
-
-    if (asf->multi_payloads_present)
-        iLengthTypeFlags |= ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT;
-
-    if (padsize > 0) {
-        if (padsize < 256)
-            iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE;
-        else
-            iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD;
-    }
-    put_byte(pb, iLengthTypeFlags);
-
-    put_byte(pb, ASF_PPI_PROPERTY_FLAGS);
-
-    if (iLengthTypeFlags & ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD)
-        put_le16(pb, padsize - 2);
-    if (iLengthTypeFlags & ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE)
-        put_byte(pb, padsize - 1);
-
-    put_le32(pb, sendtime);
-    put_le16(pb, duration);
-    if (asf->multi_payloads_present)
-        put_byte(pb, nb_payloads | ASF_PAYLOAD_FLAGS);
-
-    ppi_size = url_ftell(pb) - start;
-
-    return ppi_size;
-}
-
-static void flush_packet(AVFormatContext *s)
-{
-    ASFContext *asf = s->priv_data;
-    int packet_hdr_size, packet_filled_size;
-
-    assert(asf->packet_timestamp_end >= asf->packet_timestamp_start);
-
-    if (asf->is_streamed) {
-        put_chunk(s, 0x4424, asf->packet_size, 0);
-    }
-
-    packet_hdr_size = put_payload_parsing_info(
-                            s,
-                            asf->packet_timestamp_start,
-                            asf->packet_timestamp_end - asf->packet_timestamp_start,
-                            asf->packet_nb_payloads,
-                            asf->packet_size_left
-                        );
-
-    packet_filled_size = PACKET_SIZE - asf->packet_size_left;
-    assert(packet_hdr_size <= asf->packet_size_left);
-    memset(asf->packet_buf + packet_filled_size, 0, asf->packet_size_left);
-
-    put_buffer(s->pb, asf->packet_buf, asf->packet_size - packet_hdr_size);
-
-    put_flush_packet(s->pb);
-    asf->nb_packets++;
-    asf->packet_nb_payloads = 0;
-    asf->packet_timestamp_start = -1;
-    asf->packet_timestamp_end = -1;
-    init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
-                  NULL, NULL, NULL, NULL);
-}
-
-static void put_payload_header(
-                                AVFormatContext *s,
-                                ASFStream       *stream,
-                                int             presentation_time,
-                                int             m_obj_size,
-                                int             m_obj_offset,
-                                int             payload_len,
-                                int             flags
-            )
-{
-    ASFContext *asf = s->priv_data;
-    ByteIOContext *pb = &asf->pb;
-    int val;
-
-    val = stream->num;
-    if (flags & PKT_FLAG_KEY)
-        val |= ASF_PL_FLAG_KEY_FRAME;
-    put_byte(pb, val);
-
-    put_byte(pb, stream->seq);  //Media object number
-    put_le32(pb, m_obj_offset); //Offset Into Media Object
-
-    // Replicated Data shall be at least 8 bytes long.
-    // The first 4 bytes of data shall contain the
-    // Size of the Media Object that the payload belongs to.
-    // The next 4 bytes of data shall contain the
-    // Presentation Time for the media object that the payload belongs to.
-    put_byte(pb, ASF_PAYLOAD_REPLICATED_DATA_LENGTH);
-
-    put_le32(pb, m_obj_size);       //Replicated Data - Media Object Size
-    put_le32(pb, presentation_time);//Replicated Data - Presentation Time
-
-    if (asf->multi_payloads_present){
-        put_le16(pb, payload_len);   //payload length
-    }
-}
-
-static void put_frame(
-                    AVFormatContext *s,
-                    ASFStream       *stream,
-                    AVStream        *avst,
-                    int             timestamp,
-                    const uint8_t   *buf,
-                    int             m_obj_size,
-                    int             flags
-                )
-{
-    ASFContext *asf = s->priv_data;
-    int m_obj_offset, payload_len, frag_len1;
-
-    m_obj_offset = 0;
-    while (m_obj_offset < m_obj_size) {
-        payload_len = m_obj_size - m_obj_offset;
-        if (asf->packet_timestamp_start == -1) {
-            asf->multi_payloads_present = (payload_len < MULTI_PAYLOAD_CONSTANT);
-
-            asf->packet_size_left = PACKET_SIZE;
-            if (asf->multi_payloads_present){
-                frag_len1 = MULTI_PAYLOAD_CONSTANT - 1;
-            }
-            else {
-                frag_len1 = SINGLE_PAYLOAD_DATA_LENGTH;
-            }
-            asf->packet_timestamp_start = timestamp;
-        }
-        else {
-            // multi payloads
-            frag_len1 = asf->packet_size_left - PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS - PACKET_HEADER_MIN_SIZE - 1;
-
-            if(frag_len1 < payload_len && avst->codec->codec_type == CODEC_TYPE_AUDIO){
-                flush_packet(s);
-                continue;
-            }
-        }
-        if (frag_len1 > 0) {
-            if (payload_len > frag_len1)
-                payload_len = frag_len1;
-            else if (payload_len == (frag_len1 - 1))
-                payload_len = frag_len1 - 2;  //additional byte need to put padding length
-
-            put_payload_header(s, stream, timestamp+PREROLL_TIME, m_obj_size, m_obj_offset, payload_len, flags);
-            put_buffer(&asf->pb, buf, payload_len);
-
-            if (asf->multi_payloads_present)
-                asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS);
-            else
-                asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD);
-            asf->packet_timestamp_end = timestamp;
-
-            asf->packet_nb_payloads++;
-        } else {
-            payload_len = 0;
-        }
-        m_obj_offset += payload_len;
-        buf += payload_len;
-
-        if (!asf->multi_payloads_present)
-            flush_packet(s);
-        else if (asf->packet_size_left <= (PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS + PACKET_HEADER_MIN_SIZE + 1))
-            flush_packet(s);
-    }
-    stream->seq++;
-}
-
-static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    ASFContext *asf = s->priv_data;
-    ASFStream *stream;
-    int64_t duration;
-    AVCodecContext *codec;
-    int64_t packet_st,pts;
-    int start_sec,i;
-    int flags= pkt->flags;
-
-    codec = s->streams[pkt->stream_index]->codec;
-    stream = &asf->streams[pkt->stream_index];
-
-    if(codec->codec_type == CODEC_TYPE_AUDIO)
-        flags &= ~PKT_FLAG_KEY;
-
-    pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts;
-    assert(pts != AV_NOPTS_VALUE);
-    duration = pts * 10000;
-    asf->duration= FFMAX(asf->duration, duration + pkt->duration * 10000);
-
-    packet_st = asf->nb_packets;
-    put_frame(s, stream, s->streams[pkt->stream_index], pkt->dts, pkt->data, pkt->size, flags);
-
-    /* check index */
-    if ((!asf->is_streamed) && (flags & PKT_FLAG_KEY)) {
-        start_sec = (int)(duration / INT64_C(10000000));
-        if (start_sec != (int)(asf->last_indexed_pts / INT64_C(10000000))) {
-            for(i=asf->nb_index_count;i<start_sec;i++) {
-                if (i>=asf->nb_index_memory_alloc) {
-                    asf->nb_index_memory_alloc += ASF_INDEX_BLOCK;
-                    asf->index_ptr = (ASFIndex*)av_realloc( asf->index_ptr, sizeof(ASFIndex) * asf->nb_index_memory_alloc );
-                }
-                // store
-                asf->index_ptr[i].packet_number = (uint32_t)packet_st;
-                asf->index_ptr[i].packet_count  = (uint16_t)(asf->nb_packets-packet_st);
-                asf->maximum_packet = FFMAX(asf->maximum_packet, (uint16_t)(asf->nb_packets-packet_st));
-            }
-            asf->nb_index_count = start_sec;
-            asf->last_indexed_pts = duration;
-        }
-    }
-    return 0;
-}
-
-//
-static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, uint32_t count)
-{
-    ByteIOContext *pb = s->pb;
-    int i;
-
-    put_guid(pb, &simple_index_header);
-    put_le64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2)*count);
-    put_guid(pb, &my_guid);
-    put_le64(pb, ASF_INDEXED_INTERVAL);
-    put_le32(pb, max);
-    put_le32(pb, count);
-    for(i=0; i<count; i++) {
-        put_le32(pb, index[i].packet_number);
-        put_le16(pb, index[i].packet_count);
-    }
-
-    return 0;
-}
-
-static int asf_write_trailer(AVFormatContext *s)
-{
-    ASFContext *asf = s->priv_data;
-    int64_t file_size,data_size;
-
-    /* flush the current packet */
-    if (asf->pb.buf_ptr > asf->pb.buffer)
-        flush_packet(s);
-
-    /* write index */
-    data_size = url_ftell(s->pb);
-    if ((!asf->is_streamed) && (asf->nb_index_count != 0)) {
-        asf_write_index(s, asf->index_ptr, asf->maximum_packet, asf->nb_index_count);
-    }
-    put_flush_packet(s->pb);
-
-    if (asf->is_streamed || url_is_streamed(s->pb)) {
-        put_chunk(s, 0x4524, 0, 0); /* end of stream */
-    } else {
-        /* rewrite an updated header */
-        file_size = url_ftell(s->pb);
-        url_fseek(s->pb, 0, SEEK_SET);
-        asf_write_header1(s, file_size, data_size - asf->data_offset);
-    }
-
-    put_flush_packet(s->pb);
-    av_free(asf->index_ptr);
-    return 0;
-}
-
-#if CONFIG_ASF_MUXER
-AVOutputFormat asf_muxer = {
-    "asf",
-    NULL_IF_CONFIG_SMALL("ASF format"),
-    "video/x-ms-asf",
-    "asf,wmv,wma",
-    sizeof(ASFContext),
-#if CONFIG_LIBMP3LAME
-    CODEC_ID_MP3,
-#else
-    CODEC_ID_MP2,
-#endif
-    CODEC_ID_MSMPEG4V3,
-    asf_write_header,
-    asf_write_packet,
-    asf_write_trailer,
-    .flags = AVFMT_GLOBALHEADER,
-    .codec_tag= (const AVCodecTag* const []){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
-};
-#endif
-
-#if CONFIG_ASF_STREAM_MUXER
-AVOutputFormat asf_stream_muxer = {
-    "asf_stream",
-    NULL_IF_CONFIG_SMALL("ASF format"),
-    "video/x-ms-asf",
-    "asf,wmv,wma",
-    sizeof(ASFContext),
-#if CONFIG_LIBMP3LAME
-    CODEC_ID_MP3,
-#else
-    CODEC_ID_MP2,
-#endif
-    CODEC_ID_MSMPEG4V3,
-    asf_write_stream_header,
-    asf_write_packet,
-    asf_write_trailer,
-    .flags = AVFMT_GLOBALHEADER,
-    .codec_tag= (const AVCodecTag* const []){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
-};
-#endif //CONFIG_ASF_STREAM_MUXER