static int gxf_write_umf_material_description(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
ByteIOContext *pb = s->pb;
int timecode_base = gxf->time_base.den == 60000 ? 60 : 50;
// XXX drop frame
uint32_t timecode =
gxf->nb_fields / (timecode_base * 3600) % 24 << 24 | // hours
gxf->nb_fields / (timecode_base * 60) % 60 << 16 | // minutes
gxf->nb_fields / timecode_base % 60 << 8 | // seconds
gxf->nb_fields % timecode_base; // fields
put_le32(pb, gxf->flags);
put_le32(pb, gxf->nb_fields); /* length of the longest track */
put_le32(pb, gxf->nb_fields); /* length of the shortest track */
put_le32(pb, 0); /* mark in */
put_le32(pb, gxf->nb_fields); /* mark out */
put_le32(pb, 0); /* timecode mark in */
put_le32(pb, timecode); /* timecode mark out */
put_le64(pb, s->timestamp); /* modification time */
put_le64(pb, s->timestamp); /* creation time */
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le16(pb, gxf->audio_tracks);
put_le16(pb, 1); /* timecode track count */
put_le16(pb, 0); /* reserved */
put_le16(pb, gxf->mpeg_tracks);
return 48;
}
static int gxf_write_umf_material_description(ByteIOContext *pb, GXFContext *ctx)
{
// XXX drop frame
uint32_t timecode =
ctx->nb_fields / (ctx->sample_rate * 3600) % 24 << 24 | // hours
ctx->nb_fields / (ctx->sample_rate * 60) % 60 << 16 | // minutes
ctx->nb_fields / ctx->sample_rate % 60 << 8 | // seconds
ctx->nb_fields % ctx->sample_rate; // fields
put_le32(pb, ctx->flags);
put_le32(pb, ctx->nb_fields); /* length of the longest track */
put_le32(pb, ctx->nb_fields); /* length of the shortest track */
put_le32(pb, 0); /* mark in */
put_le32(pb, ctx->nb_fields); /* mark out */
put_le32(pb, 0); /* timecode mark in */
put_le32(pb, timecode); /* timecode mark out */
put_le64(pb, ctx->fc->timestamp); /* modification time */
put_le64(pb, ctx->fc->timestamp); /* creation time */
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le16(pb, ctx->audio_tracks);
put_le16(pb, 0); /* timecode track count */
put_le16(pb, 0); /* reserved */
put_le16(pb, ctx->mpeg_tracks);
return 48;
}
static int avi_write_ix(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
char tag[5];
char ix_tag[] = "ix00";
int i, j;
assert(!url_is_streamed(pb));
if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
return -1;
for (i=0;i<s->nb_streams;i++) {
AVIStream *avist= s->streams[i]->priv_data;
int64_t ix, pos;
avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
ix_tag[3] = '0' + i;
/* Writing AVI OpenDML leaf index chunk */
ix = url_ftell(pb);
put_tag(pb, &ix_tag[0]); /* ix?? */
put_le32(pb, avist->indexes.entry * 8 + 24);
/* chunk size */
put_le16(pb, 2); /* wLongsPerEntry */
put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
put_le32(pb, avist->indexes.entry);
/* nEntriesInUse */
put_tag(pb, &tag[0]); /* dwChunkId */
put_le64(pb, avi->movi_list);/* qwBaseOffset */
put_le32(pb, 0); /* dwReserved_3 (must be 0) */
for (j=0; j<avist->indexes.entry; j++) {
AVIIentry* ie = avi_get_ientry(&avist->indexes, j);
put_le32(pb, ie->pos + 8);
put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
(ie->flags & 0x10 ? 0 : 0x80000000));
}
put_flush_packet(pb);
pos = url_ftell(pb);
/* Updating one entry in the AVI OpenDML master index */
url_fseek(pb, avist->indexes.indx_start - 8, SEEK_SET);
put_tag(pb, "indx"); /* enabling this entry */
url_fskip(pb, 8);
put_le32(pb, avi->riff_id); /* nEntriesInUse */
url_fskip(pb, 16*avi->riff_id);
put_le64(pb, ix); /* qwOffset */
put_le32(pb, pos - ix); /* dwSize */
put_le32(pb, avist->indexes.entry); /* dwDuration */
url_fseek(pb, pos, SEEK_SET);
}
return 0;
}
static int gxf_write_umf_media_audio(ByteIOContext *pb, GXFStreamContext *sc)
{
put_le64(pb, av_dbl2int(1)); /* sound level to begin to */
put_le64(pb, av_dbl2int(1)); /* sound level to begin to */
put_le32(pb, 0); /* number of fields over which to ramp up sound level */
put_le32(pb, 0); /* number of fields over which to ramp down sound level */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
return 32;
}
static int ogg_write_page(AVFormatContext *s, const uint8_t *data, int size,
int64_t granule, int stream_index, int flags)
{
OGGStreamContext *oggstream = s->streams[stream_index]->priv_data;
int64_t crc_offset;
int page_segments, i;
if (size >= 255*255) {
granule = -1;
size = 255*255;
} else if (oggstream->eos)
flags |= 4;
page_segments = FFMIN((size/255)+!!size, 255);
init_checksum(s->pb, ff_crc04C11DB7_update, 0);
put_tag(s->pb, "OggS");
put_byte(s->pb, 0);
put_byte(s->pb, flags);
put_le64(s->pb, granule);
put_le32(s->pb, stream_index);
put_le32(s->pb, oggstream->page_counter++);
crc_offset = url_ftell(s->pb);
put_le32(s->pb, 0); // crc
put_byte(s->pb, page_segments);
for (i = 0; i < page_segments-1; i++)
put_byte(s->pb, 255);
if (size) {
put_byte(s->pb, size - (page_segments-1)*255);
put_buffer(s->pb, data, size);
}
ogg_update_checksum(s, crc_offset);
put_flush_packet(s->pb);
return size;
}
static int ivf_write_header(AVFormatContext *s)
{
AVCodecContext *ctx;
ByteIOContext *pb = s->pb;
if (s->nb_streams != 1) {
av_log(s, AV_LOG_ERROR, "Format supports only exactly one video stream\n");
return AVERROR(EINVAL);
}
ctx = s->streams[0]->codec;
if (ctx->codec_type != CODEC_TYPE_VIDEO || ctx->codec_id != CODEC_ID_VP8) {
av_log(s, AV_LOG_ERROR, "Currently only VP8 is supported!\n");
return AVERROR(EINVAL);
}
put_buffer(pb, "DKIF", 4);
put_le16(pb, 0); // version
put_le16(pb, 32); // header length
put_le32(pb, ctx->codec_tag ? ctx->codec_tag : AV_RL32("VP80"));
put_le16(pb, ctx->width);
put_le16(pb, ctx->height);
put_le32(pb, s->streams[0]->time_base.den);
put_le32(pb, s->streams[0]->time_base.num);
put_le64(pb, s->streams[0]->duration); // TODO: duration or number of frames?!?
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, &ff_asf_simple_index_header);
put_le64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2)*count);
put_guid(pb, &ff_asf_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;
}
/* 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);
}
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;
}
static int sox_write_header(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
ByteIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
AVMetadataTag *comment;
size_t comment_len = 0, comment_size;
comment = av_metadata_get(s->metadata, "comment", NULL, 0);
if (comment)
comment_len = strlen(comment->value);
comment_size = (comment_len + 7) & ~7;
sox->header_size = SOX_FIXED_HDR + comment_size;
if (enc->codec_id == CODEC_ID_PCM_S32LE) {
put_tag(pb, ".SoX");
put_le32(pb, sox->header_size);
put_le64(pb, 0); /* number of samples */
put_le64(pb, av_dbl2int(enc->sample_rate));
put_le32(pb, enc->channels);
put_le32(pb, comment_size);
} else if (enc->codec_id == CODEC_ID_PCM_S32BE) {
put_tag(pb, "XoS.");
put_be32(pb, sox->header_size);
put_be64(pb, 0); /* number of samples */
put_be64(pb, av_dbl2int(enc->sample_rate));
put_be32(pb, enc->channels);
put_be32(pb, comment_size);
} else {
av_log(s, AV_LOG_ERROR, "invalid codec; use pcm_s32le or pcm_s32be\n");
return -1;
}
if (comment_len)
put_buffer(pb, comment->value, comment_len);
for ( ; comment_size > comment_len; comment_len++)
put_byte(pb, 0);
put_flush_packet(pb);
return 0;
}
static int ivf_write_packet(AVFormatContext *s, AVPacket *pkt)
{
ByteIOContext *pb = s->pb;
put_le32(pb, pkt->size);
put_le64(pb, pkt->pts);
put_buffer(pb, pkt->data, pkt->size);
put_flush_packet(pb);
return 0;
}
static int gxf_write_umf_material_description(ByteIOContext *pb, GXFContext *ctx)
{
put_le32(pb, ctx->flags);
put_le32(pb, ctx->nb_frames); /* length of the longest track */
put_le32(pb, ctx->nb_frames); /* length of the shortest track */
put_le32(pb, 0); /* mark in */
put_le32(pb, ctx->nb_frames); /* mark out */
put_le32(pb, 0); /* timecode mark in */
put_le32(pb, ctx->nb_frames); /* timecode mark out */
put_le64(pb, ctx->fc->timestamp); /* modification time */
put_le64(pb, ctx->fc->timestamp); /* creation time */
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le16(pb, ctx->audio_tracks);
put_le16(pb, 0); /* timecode track count */
put_le16(pb, 0); /* reserved */
put_le16(pb, ctx->mpeg_tracks);
return 48;
}
static int gxf_write_track_description(AVFormatContext *s, GXFStreamContext *sc, int index)
{
ByteIOContext *pb = s->pb;
int64_t pos;
int mpeg = sc->track_type == 4 || sc->track_type == 9;
/* track description section */
put_byte(pb, sc->media_type + 0x80);
put_byte(pb, index + 0xC0);
pos = url_ftell(pb);
put_be16(pb, 0); /* size */
/* media file name */
put_byte(pb, TRACK_NAME);
put_byte(pb, strlen(ES_NAME_PATTERN) + 3);
put_tag(pb, ES_NAME_PATTERN);
put_be16(pb, sc->media_info);
put_byte(pb, 0);
if (!mpeg) {
/* auxiliary information */
put_byte(pb, TRACK_AUX);
put_byte(pb, 8);
if (sc->track_type == 3)
gxf_write_timecode_auxiliary(pb, sc);
else
put_le64(pb, 0);
}
/* file system version */
put_byte(pb, TRACK_VER);
put_byte(pb, 4);
put_be32(pb, 0);
if (mpeg)
gxf_write_mpeg_auxiliary(pb, s->streams[index]);
/* frame rate */
put_byte(pb, TRACK_FPS);
put_byte(pb, 4);
put_be32(pb, sc->frame_rate_index);
/* lines per frame */
put_byte(pb, TRACK_LINES);
put_byte(pb, 4);
put_be32(pb, sc->lines_index);
/* fields per frame */
put_byte(pb, TRACK_FPF);
put_byte(pb, 4);
put_be32(pb, sc->fields);
return updateSize(pb, pos);
}
/**
* HCI read local supported states command. Returns the states
* supported by the controller.
*
* @param rspbuf Pointer to response buffer
* @param rsplen Length of response buffer
*
* @return int BLE error code
*/
static int
ble_ll_hci_le_read_supp_states(uint8_t *rspbuf, uint8_t *rsplen)
{
uint64_t supp_states;
/* Add list of supported states. */
supp_states = ble_ll_read_supp_states();
put_le64(rspbuf, supp_states);
*rsplen = BLE_HCI_RD_SUPP_STATES_RSPLEN;
return BLE_ERR_SUCCESS;
}
static int gxf_write_track_description(ByteIOContext *pb, GXFStreamContext *stream)
{
int64_t pos;
/* track description section */
put_byte(pb, stream->media_type + 0x80);
put_byte(pb, stream->index + 0xC0);
pos = url_ftell(pb);
put_be16(pb, 0); /* size */
/* media file name */
put_byte(pb, TRACK_NAME);
put_byte(pb, strlen(ES_NAME_PATTERN) + 3);
put_tag(pb, ES_NAME_PATTERN);
put_be16(pb, stream->media_info);
put_byte(pb, 0);
if (stream->codec->codec_id != CODEC_ID_MPEG2VIDEO) {
/* auxiliary information */
put_byte(pb, TRACK_AUX);
put_byte(pb, 8);
if (stream->codec->codec_id == CODEC_ID_NONE)
gxf_write_timecode_auxiliary(pb, stream);
else
put_le64(pb, 0);
}
/* file system version */
put_byte(pb, TRACK_VER);
put_byte(pb, 4);
put_be32(pb, 0);
if (stream->codec->codec_id == CODEC_ID_MPEG2VIDEO)
gxf_write_mpeg_auxiliary(pb, stream);
/* frame rate */
put_byte(pb, TRACK_FPS);
put_byte(pb, 4);
put_be32(pb, stream->frame_rate_index);
/* lines per frame */
put_byte(pb, TRACK_LINES);
put_byte(pb, 4);
put_be32(pb, stream->lines_index);
/* fields per frame */
put_byte(pb, TRACK_FPF);
put_byte(pb, 4);
put_be32(pb, stream->fields);
return updateSize(pb, pos);
}
static int sox_write_trailer(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
ByteIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
if (!url_is_streamed(s->pb)) {
/* update number of samples */
int64_t file_size = url_ftell(pb);
int64_t num_samples = (file_size - sox->header_size - 4LL) >> 2LL;
url_fseek(pb, 8, SEEK_SET);
if (enc->codec_id == CODEC_ID_PCM_S32LE) {
put_le64(pb, num_samples);
} else
put_be64(pb, num_samples);
url_fseek(pb, file_size, SEEK_SET);
put_flush_packet(pb);
}
static int ogg_write_page(AVFormatContext *s, OGGPage *page, int extra_flags)
{
OGGStreamContext *oggstream = s->streams[page->stream_index]->priv_data;
ByteIOContext *pb;
int64_t crc_offset;
int ret, size;
uint8_t *buf;
ret = url_open_dyn_buf(&pb);
if (ret < 0)
return ret;
init_checksum(pb, ff_crc04C11DB7_update, 0);
put_tag(pb, "OggS");
put_byte(pb, 0);
put_byte(pb, page->flags | extra_flags);
put_le64(pb, page->granule);
put_le32(pb, oggstream->serial_num);
put_le32(pb, oggstream->page_counter++);
crc_offset = url_ftell(pb);
put_le32(pb, 0); // crc
put_byte(pb, page->segments_count);
put_buffer(pb, page->segments, page->segments_count);
put_buffer(pb, page->data, page->size);
ogg_update_checksum(s, pb, crc_offset);
put_flush_packet(pb);
size = url_close_dyn_buf(pb, &buf);
if (size < 0)
return size;
put_buffer(s->pb, buf, size);
put_flush_packet(s->pb);
av_free(buf);
oggstream->page_count--;
return 0;
}
static int avi_write_header(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
ByteIOContext *pb = &s->pb;
int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
AVCodecContext *stream, *video_enc;
offset_t list1, list2, strh, strf;
/* header list */
avi->riff_id = 0;
list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
/* avi header */
put_tag(pb, "avih");
put_le32(pb, 14 * 4);
bitrate = 0;
video_enc = NULL;
for(n=0;n<s->nb_streams;n++) {
stream = s->streams[n]->codec;
bitrate += stream->bit_rate;
if (stream->codec_type == CODEC_TYPE_VIDEO)
video_enc = stream;
}
nb_frames = 0;
if(video_enc){
put_le32(pb, (uint32_t)(INT64_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
} else {
put_le32(pb, 0);
}
put_le32(pb, bitrate / 8); /* XXX: not quite exact */
put_le32(pb, 0); /* padding */
if (url_is_streamed(pb))
put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
else
put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
put_le32(pb, nb_frames); /* nb frames, filled later */
put_le32(pb, 0); /* initial frame */
put_le32(pb, s->nb_streams); /* nb streams */
put_le32(pb, 1024 * 1024); /* suggested buffer size */
if(video_enc){
put_le32(pb, video_enc->width);
put_le32(pb, video_enc->height);
} else {
put_le32(pb, 0);
put_le32(pb, 0);
}
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
/* stream list */
for(i=0;i<n;i++) {
list2 = start_tag(pb, "LIST");
put_tag(pb, "strl");
stream = s->streams[i]->codec;
/* FourCC should really be set by the codec itself */
if (! stream->codec_tag) {
stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
}
/* stream generic header */
strh = start_tag(pb, "strh");
switch(stream->codec_type) {
case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
// case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
}
if(stream->codec_type == CODEC_TYPE_VIDEO)
put_le32(pb, stream->codec_tag);
else
put_le32(pb, 1);
put_le32(pb, 0); /* flags */
put_le16(pb, 0); /* priority */
put_le16(pb, 0); /* language */
put_le32(pb, 0); /* initial frame */
ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
put_le32(pb, au_scale); /* scale */
put_le32(pb, au_byterate); /* rate */
av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
put_le32(pb, 0); /* start */
avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
if (url_is_streamed(pb))
put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
else
put_le32(pb, 0); /* length, XXX: filled later */
/* suggested buffer size */ //FIXME set at the end to largest chunk
if(stream->codec_type == CODEC_TYPE_VIDEO)
put_le32(pb, 1024 * 1024);
else if(stream->codec_type == CODEC_TYPE_AUDIO)
put_le32(pb, 12 * 1024);
else
put_le32(pb, 0);
put_le32(pb, -1); /* quality */
put_le32(pb, au_ssize); /* sample size */
put_le32(pb, 0);
put_le16(pb, stream->width);
put_le16(pb, stream->height);
end_tag(pb, strh);
if(stream->codec_type != CODEC_TYPE_DATA){
strf = start_tag(pb, "strf");
switch(stream->codec_type) {
case CODEC_TYPE_VIDEO:
put_bmp_header(pb, stream, codec_bmp_tags, 0);
break;
case CODEC_TYPE_AUDIO:
if (put_wav_header(pb, stream) < 0) {
av_free(avi);
return -1;
}
break;
default:
return -1;
}
end_tag(pb, strf);
}
if (!url_is_streamed(pb)) {
unsigned char tag[5];
int j;
/* Starting to lay out AVI OpenDML master index.
* We want to make it JUNK entry for now, since we'd
* like to get away without making AVI an OpenDML one
* for compatibility reasons.
*/
avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
avi->indexes[i].indx_start = start_tag(pb, "JUNK");
put_le16(pb, 4); /* wLongsPerEntry */
put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
/* dwChunkId */
put_le64(pb, 0); /* dwReserved[3]
put_le32(pb, 0); Must be 0. */
for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
put_le64(pb, 0);
end_tag(pb, avi->indexes[i].indx_start);
}
end_tag(pb, list2);
}
if (!url_is_streamed(pb)) {
/* AVI could become an OpenDML one, if it grows beyond 2Gb range */
avi->odml_list = start_tag(pb, "JUNK");
put_tag(pb, "odml");
put_tag(pb, "dmlh");
put_le32(pb, 248);
for (i = 0; i < 248; i+= 4)
put_le32(pb, 0);
end_tag(pb, avi->odml_list);
}
end_tag(pb, list1);
list2 = start_tag(pb, "LIST");
put_tag(pb, "INFO");
avi_write_info_tag(pb, "INAM", s->title);
avi_write_info_tag(pb, "IART", s->author);
avi_write_info_tag(pb, "ICOP", s->copyright);
avi_write_info_tag(pb, "ICMT", s->comment);
avi_write_info_tag(pb, "IPRD", s->album);
avi_write_info_tag(pb, "IGNR", s->genre);
if (s->track) {
char str_track[4];
snprintf(str_track, 4, "%d", s->track);
avi_write_info_tag(pb, "IPRT", str_track);
}
if(!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
avi_write_info_tag(pb, "ISFT", LIBAVFORMAT_IDENT);
end_tag(pb, list2);
/* some padding for easier tag editing */
list2 = start_tag(pb, "JUNK");
for (i = 0; i < 1016; i += 4)
put_le32(pb, 0);
end_tag(pb, list2);
avi->movi_list = start_tag(pb, "LIST");
put_tag(pb, "movi");
put_flush_packet(pb);
return 0;
}
/* 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, &ff_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, &ff_asf_file_header);
put_guid(pb, &ff_asf_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, &ff_asf_head1_guid);
put_guid(pb, &ff_asf_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, &ff_asf_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, &ff_asf_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, &ff_asf_stream_header);
if (enc->codec_type == CODEC_TYPE_AUDIO) {
put_guid(pb, &ff_asf_audio_stream);
put_guid(pb, &ff_asf_audio_conceal_spread);
} else {
put_guid(pb, &ff_asf_video_stream);
put_guid(pb, &ff_asf_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, &ff_asf_codec_comment_header);
put_guid(pb, &ff_asf_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, &ff_asf_data_header);
put_le64(pb, data_chunk_size);
put_guid(pb, &ff_asf_my_guid);
put_le64(pb, asf->nb_packets); /* nb packets */
put_byte(pb, 1); /* ??? */
put_byte(pb, 1); /* ??? */
return 0;
}
/* 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;
int header_size, n, extra_size, extra_size2, wav_extra_size, file_time;
int has_title;
AVCodecContext *enc;
int64_t header_offset, cur_pos, hpos;
int bit_rate;
int64_t duration;
duration = asf->duration + preroll_time * 10000;
has_title = (s->title[0] || s->author[0] || s->copyright[0] || s->comment[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 + 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, duration); /* duration (in 100ns units) */
put_le32(pb, preroll_time); /* start time stamp */
put_le32(pb, 0); /* ??? */
put_le32(pb, asf->is_streamed ? 1 : 0); /* ??? */
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);
if ( s->title[0] ) { put_le16(pb, 2 * (strlen(s->title ) + 1)); } else { put_le16(pb, 0); }
if ( s->author[0] ) { put_le16(pb, 2 * (strlen(s->author ) + 1)); } else { put_le16(pb, 0); }
if ( s->copyright[0] ) { put_le16(pb, 2 * (strlen(s->copyright) + 1)); } else { put_le16(pb, 0); }
if ( s->comment[0] ) { put_le16(pb, 2 * (strlen(s->comment ) + 1)); } else { put_le16(pb, 0); }
put_le16(pb, 0);
if ( s->title[0] ) put_str16_nolen(pb, s->title);
if ( s->author[0] ) put_str16_nolen(pb, s->author);
if ( s->copyright[0] ) put_str16_nolen(pb, s->copyright);
if ( s->comment[0] ) put_str16_nolen(pb, s->comment);
end_header(pb, hpos);
}
/* stream headers */
for(n=0;n<s->nb_streams;n++) {
int64_t es_pos;
const uint8_t *er_spr = NULL;
int er_spr_len = 0;
// ASFStream *stream = &asf->streams[n];
enc = s->streams[n]->codec;
asf->streams[n].num = n + 1;
asf->streams[n].seq = 0;
if (enc->codec_type == CODEC_TYPE_AUDIO) {
if (enc->codec_id == CODEC_ID_ADPCM_G726) {
er_spr = error_spread_ADPCM_G726;
er_spr_len = sizeof(error_spread_ADPCM_G726);
}
}
switch(enc->codec_type) {
case CODEC_TYPE_AUDIO:
wav_extra_size = 0;
extra_size = 18 + wav_extra_size;
extra_size2 = er_spr_len;
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);
if ((er_spr != NULL) && (er_spr_len != 0)) {
put_guid(pb, &audio_conceal_spread);
} else {
put_guid(pb, &video_conceal_none);
}
} 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 */
if ((er_spr != NULL) && (er_spr_len != 0))
put_buffer(pb, er_spr, er_spr_len);
} 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);
put_le16(pb, asf->streams[n].num);
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);
if(!enc->codec_tag)
enc->codec_tag = codec_get_tag(codec_wav_tags, enc->codec_id);
if(!enc->codec_tag)
return -1;
put_le16(pb, enc->codec_tag);
} else {
put_le16(pb, 4);
if(!enc->codec_tag)
enc->codec_tag = codec_get_tag(codec_bmp_tags, enc->codec_id);
if(!enc->codec_tag)
return -1;
put_le32(pb, enc->codec_tag);
}
}
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 avi_write_header(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
ByteIOContext *pb = s->pb;
int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
AVCodecContext *stream, *video_enc;
int64_t list1, list2, strh, strf;
AVMetadataTag *t = NULL;
for(n=0;n<s->nb_streams;n++) {
s->streams[n]->priv_data= av_mallocz(sizeof(AVIStream));
if(!s->streams[n]->priv_data)
return AVERROR(ENOMEM);
}
/* header list */
avi->riff_id = 0;
list1 = avi_start_new_riff(s, pb, "AVI ", "hdrl");
/* avi header */
put_tag(pb, "avih");
put_le32(pb, 14 * 4);
bitrate = 0;
video_enc = NULL;
for(n=0;n<s->nb_streams;n++) {
stream = s->streams[n]->codec;
bitrate += stream->bit_rate;
if (stream->codec_type == AVMEDIA_TYPE_VIDEO)
video_enc = stream;
}
nb_frames = 0;
if(video_enc){
put_le32(pb, (uint32_t)(INT64_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
} else {
put_le32(pb, 0);
}
put_le32(pb, bitrate / 8); /* XXX: not quite exact */
put_le32(pb, 0); /* padding */
if (url_is_streamed(pb))
put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
else
put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
put_le32(pb, nb_frames); /* nb frames, filled later */
put_le32(pb, 0); /* initial frame */
put_le32(pb, s->nb_streams); /* nb streams */
put_le32(pb, 1024 * 1024); /* suggested buffer size */
if(video_enc){
put_le32(pb, video_enc->width);
put_le32(pb, video_enc->height);
} else {
put_le32(pb, 0);
put_le32(pb, 0);
}
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
/* stream list */
for(i=0;i<n;i++) {
AVIStream *avist= s->streams[i]->priv_data;
list2 = ff_start_tag(pb, "LIST");
put_tag(pb, "strl");
stream = s->streams[i]->codec;
/* stream generic header */
strh = ff_start_tag(pb, "strh");
switch(stream->codec_type) {
case AVMEDIA_TYPE_SUBTITLE:
// XSUB subtitles behave like video tracks, other subtitles
// are not (yet) supported.
if (stream->codec_id != CODEC_ID_XSUB) {
av_log(s, AV_LOG_ERROR, "Subtitle streams other than DivX XSUB are not supported by the AVI muxer.\n");
return AVERROR_PATCHWELCOME;
}
case AVMEDIA_TYPE_VIDEO: put_tag(pb, "vids"); break;
case AVMEDIA_TYPE_AUDIO: put_tag(pb, "auds"); break;
// case AVMEDIA_TYPE_TEXT : put_tag(pb, "txts"); break;
case AVMEDIA_TYPE_DATA : put_tag(pb, "dats"); break;
}
if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
stream->codec_id == CODEC_ID_XSUB)
put_le32(pb, stream->codec_tag);
else
put_le32(pb, 1);
put_le32(pb, 0); /* flags */
put_le16(pb, 0); /* priority */
put_le16(pb, 0); /* language */
put_le32(pb, 0); /* initial frame */
ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
put_le32(pb, au_scale); /* scale */
put_le32(pb, au_byterate); /* rate */
av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
put_le32(pb, 0); /* start */
avist->frames_hdr_strm = url_ftell(pb); /* remember this offset to fill later */
if (url_is_streamed(pb))
put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
else
put_le32(pb, 0); /* length, XXX: filled later */
/* suggested buffer size */ //FIXME set at the end to largest chunk
if(stream->codec_type == AVMEDIA_TYPE_VIDEO)
put_le32(pb, 1024 * 1024);
else if(stream->codec_type == AVMEDIA_TYPE_AUDIO)
put_le32(pb, 12 * 1024);
else
put_le32(pb, 0);
put_le32(pb, -1); /* quality */
put_le32(pb, au_ssize); /* sample size */
put_le32(pb, 0);
put_le16(pb, stream->width);
put_le16(pb, stream->height);
ff_end_tag(pb, strh);
if(stream->codec_type != AVMEDIA_TYPE_DATA){
strf = ff_start_tag(pb, "strf");
switch(stream->codec_type) {
case AVMEDIA_TYPE_SUBTITLE:
// XSUB subtitles behave like video tracks, other subtitles
// are not (yet) supported.
if (stream->codec_id != CODEC_ID_XSUB) break;
case AVMEDIA_TYPE_VIDEO:
ff_put_bmp_header(pb, stream, ff_codec_bmp_tags, 0);
break;
case AVMEDIA_TYPE_AUDIO:
if (ff_put_wav_header(pb, stream) < 0) {
return -1;
}
break;
default:
return -1;
}
ff_end_tag(pb, strf);
if ((t = av_metadata_get(s->streams[i]->metadata, "title", NULL, 0))) {
avi_write_info_tag(s->pb, "strn", t->value);
t = NULL;
}
}
if (!url_is_streamed(pb)) {
unsigned char tag[5];
int j;
/* Starting to lay out AVI OpenDML master index.
* We want to make it JUNK entry for now, since we'd
* like to get away without making AVI an OpenDML one
* for compatibility reasons.
*/
avist->indexes.entry = avist->indexes.ents_allocated = 0;
avist->indexes.indx_start = ff_start_tag(pb, "JUNK");
put_le16(pb, 4); /* wLongsPerEntry */
put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
/* dwChunkId */
put_le64(pb, 0); /* dwReserved[3]
put_le32(pb, 0); Must be 0. */
for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
put_le64(pb, 0);
ff_end_tag(pb, avist->indexes.indx_start);
}
if( stream->codec_type == AVMEDIA_TYPE_VIDEO
&& s->streams[i]->sample_aspect_ratio.num>0
&& s->streams[i]->sample_aspect_ratio.den>0){
int vprp= ff_start_tag(pb, "vprp");
AVRational dar = av_mul_q(s->streams[i]->sample_aspect_ratio,
(AVRational){stream->width, stream->height});
int num, den;
av_reduce(&num, &den, dar.num, dar.den, 0xFFFF);
put_le32(pb, 0); //video format = unknown
put_le32(pb, 0); //video standard= unknown
put_le32(pb, lrintf(1.0/av_q2d(stream->time_base)));
put_le32(pb, stream->width );
put_le32(pb, stream->height);
put_le16(pb, den);
put_le16(pb, num);
put_le32(pb, stream->width );
put_le32(pb, stream->height);
put_le32(pb, 1); //progressive FIXME
put_le32(pb, stream->height);
put_le32(pb, stream->width );
put_le32(pb, stream->height);
put_le32(pb, stream->width );
put_le32(pb, 0);
put_le32(pb, 0);
put_le32(pb, 0);
put_le32(pb, 0);
ff_end_tag(pb, vprp);
}
ff_end_tag(pb, list2);
}
if (!url_is_streamed(pb)) {
/* AVI could become an OpenDML one, if it grows beyond 2Gb range */
avi->odml_list = ff_start_tag(pb, "JUNK");
put_tag(pb, "odml");
put_tag(pb, "dmlh");
put_le32(pb, 248);
for (i = 0; i < 248; i+= 4)
put_le32(pb, 0);
ff_end_tag(pb, avi->odml_list);
}
ff_end_tag(pb, list1);
list2 = ff_start_tag(pb, "LIST");
put_tag(pb, "INFO");
ff_metadata_conv(&s->metadata, ff_avi_metadata_conv, NULL);
for (i = 0; *ff_avi_tags[i]; i++) {
if ((t = av_metadata_get(s->metadata, ff_avi_tags[i], NULL, AV_METADATA_MATCH_CASE)))
avi_write_info_tag(s->pb, t->key, t->value);
}
ff_end_tag(pb, list2);
/* some padding for easier tag editing */
list2 = ff_start_tag(pb, "JUNK");
for (i = 0; i < 1016; i += 4)
put_le32(pb, 0);
ff_end_tag(pb, list2);
avi->movi_list = ff_start_tag(pb, "LIST");
put_tag(pb, "movi");
put_flush_packet(pb);
return 0;
}