static void rm_read_metadata(AVFormatContext *s, AVIOContext *pb, int wide)
{
char buf[1024];
int i;
for (i=0; i<FF_ARRAY_ELEMS(ff_rm_metadata); i++) {
int len = wide ? avio_rb16(pb) : avio_r8(pb);
get_strl(pb, buf, sizeof(buf), len);
av_dict_set(&s->metadata, ff_rm_metadata[i], buf, 0);
}
}
static void get_str8(AVIOContext *pb, char *buf, int buf_size)
{
get_strl(pb, buf, buf_size, avio_r8(pb));
}
int
ff_rm_read_mdpr_codecdata (AVFormatContext *s, AVIOContext *pb,
AVStream *st, RMStream *rst, int codec_data_size, const uint8_t *mime)
{
unsigned int v;
int size;
int64_t codec_pos;
int ret;
if (codec_data_size < 0)
return AVERROR_INVALIDDATA;
avpriv_set_pts_info(st, 64, 1, 1000);
codec_pos = avio_tell(pb);
v = avio_rb32(pb);
if (v == MKBETAG('M', 'L', 'T', 'I')) {
int number_of_streams = avio_rb16(pb);
int number_of_mdpr;
int i;
for (i = 0; i<number_of_streams; i++)
avio_rb16(pb);
number_of_mdpr = avio_rb16(pb);
if (number_of_mdpr != 1) {
avpriv_request_sample(s, "MLTI with multiple MDPR");
}
avio_rb32(pb);
v = avio_rb32(pb);
}
if (v == MKTAG(0xfd, 'a', 'r', '.')) {
/* ra type header */
if (rm_read_audio_stream_info(s, pb, st, rst, 0))
return -1;
} else if (v == MKBETAG('L', 'S', 'D', ':')) {
avio_seek(pb, -4, SEEK_CUR);
if ((ret = rm_read_extradata(pb, st->codec, codec_data_size)) < 0)
return ret;
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_tag = AV_RL32(st->codec->extradata);
st->codec->codec_id = ff_codec_get_id(ff_rm_codec_tags,
st->codec->codec_tag);
} else if(mime && !strcmp(mime, "logical-fileinfo")){
int stream_count, rule_count, property_count, i;
ff_free_stream(s, st);
if (avio_rb16(pb) != 0) {
av_log(s, AV_LOG_WARNING, "Unsupported version\n");
goto skip;
}
stream_count = avio_rb16(pb);
avio_skip(pb, 6*stream_count);
rule_count = avio_rb16(pb);
avio_skip(pb, 2*rule_count);
property_count = avio_rb16(pb);
for(i=0; i<property_count; i++){
uint8_t name[128], val[128];
avio_rb32(pb);
if (avio_rb16(pb) != 0) {
av_log(s, AV_LOG_WARNING, "Unsupported Name value property version\n");
goto skip; //FIXME skip just this one
}
get_str8(pb, name, sizeof(name));
switch(avio_rb32(pb)) {
case 2: get_strl(pb, val, sizeof(val), avio_rb16(pb));
av_dict_set(&s->metadata, name, val, 0);
break;
default: avio_skip(pb, avio_rb16(pb));
}
}
} else {
int fps;
if (avio_rl32(pb) != MKTAG('V', 'I', 'D', 'O')) {
fail1:
av_log(s, AV_LOG_WARNING, "Unsupported stream type %08x\n", v);
goto skip;
}
st->codec->codec_tag = avio_rl32(pb);
st->codec->codec_id = ff_codec_get_id(ff_rm_codec_tags,
st->codec->codec_tag);
av_dlog(s, "%X %X\n", st->codec->codec_tag, MKTAG('R', 'V', '2', '0'));
if (st->codec->codec_id == AV_CODEC_ID_NONE)
goto fail1;
st->codec->width = avio_rb16(pb);
st->codec->height = avio_rb16(pb);
avio_skip(pb, 2); // looks like bits per sample
avio_skip(pb, 4); // always zero?
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->need_parsing = AVSTREAM_PARSE_TIMESTAMPS;
fps = avio_rb32(pb);
if ((ret = rm_read_extradata(pb, st->codec, codec_data_size - (avio_tell(pb) - codec_pos))) < 0)
return ret;
if (fps > 0) {
av_reduce(&st->avg_frame_rate.den, &st->avg_frame_rate.num,
0x10000, fps, (1 << 30) - 1);
#if FF_API_R_FRAME_RATE
st->r_frame_rate = st->avg_frame_rate;
#endif
} else if (s->error_recognition & AV_EF_EXPLODE) {
av_log(s, AV_LOG_ERROR, "Invalid framerate\n");
return AVERROR_INVALIDDATA;
}
}
skip:
/* skip codec info */
size = avio_tell(pb) - codec_pos;
avio_skip(pb, codec_data_size - size);
return 0;
}
