return 0;
}
+static AVStream *create_stream(AVFormatContext *s, int tag, int codec_type){
+ AVStream *st = avformat_new_stream(s, NULL);
+ if (!st)
+ return NULL;
+ st->id = tag;
+ st->codec->codec_type = codec_type;
+ if(s->nb_streams>=3 ||( s->nb_streams==2
+ && s->streams[0]->codec->codec_type != AVMEDIA_TYPE_DATA
+ && s->streams[1]->codec->codec_type != AVMEDIA_TYPE_DATA))
+ s->ctx_flags &= ~AVFMTCTX_NOHEADER;
+
+ avpriv_set_pts_info(st, 32, 1, 1000); /* 32 bit pts in ms */
+ return st;
+}
+
static void flv_set_audio_codec(AVFormatContext *s, AVStream *astream, AVCodecContext *acodec, int flv_codecid) {
switch(flv_codecid) {
//no distinction between S16 and S8 PCM codec flags
vcodec->bit_rate = num_val * 1024.0;
else if (!strcmp(key, "audiodatarate") && acodec && 0 <= (int)(num_val * 1024.0))
acodec->bit_rate = num_val * 1024.0;
+ else if (!strcmp(key, "datastream")) {
+ AVStream *st = create_stream(s, 2, AVMEDIA_TYPE_DATA);
+ if (!st)
+ return AVERROR(ENOMEM);
+ st->codec->codec_id = CODEC_ID_TEXT;
+ }
}
if (amf_type == AMF_DATA_TYPE_OBJECT && s->nb_streams == 1 &&
//first object needs to be "onMetaData" string
type = avio_r8(ioc);
- if(type != AMF_DATA_TYPE_STRING || amf_get_string(ioc, buffer, sizeof(buffer)) < 0 || strcmp(buffer, "onMetaData"))
+ if (type != AMF_DATA_TYPE_STRING ||
+ amf_get_string(ioc, buffer, sizeof(buffer)) < 0)
+ return -1;
+
+ if (!strcmp(buffer, "onTextData"))
+ return 1;
+
+ if (strcmp(buffer, "onMetaData"))
return -1;
//find the streams now so that amf_parse_object doesn't need to do the lookup every time it is called.
return 0;
}
-static AVStream *create_stream(AVFormatContext *s, int stream_type){
- AVStream *st = avformat_new_stream(s, NULL);
- if (!st)
- return NULL;
- st->id = stream_type;
- switch(stream_type) {
- case FLV_STREAM_TYPE_VIDEO: st->codec->codec_type = AVMEDIA_TYPE_VIDEO; break;
- case FLV_STREAM_TYPE_AUDIO: st->codec->codec_type = AVMEDIA_TYPE_AUDIO; break;
- case FLV_STREAM_TYPE_DATA:
- st->codec->codec_type = AVMEDIA_TYPE_DATA;
- st->codec->codec_id = CODEC_ID_NONE; // Going to rely on copy for now
- av_log(s, AV_LOG_DEBUG, "Data stream created\n");
- }
- if(s->nb_streams>=3 ||( s->nb_streams==2
- && s->streams[0]->codec->codec_type != AVMEDIA_TYPE_DATA
- && s->streams[1]->codec->codec_type != AVMEDIA_TYPE_DATA))
- s->ctx_flags &= ~AVFMTCTX_NOHEADER;
-
- avpriv_set_pts_info(st, 32, 1, 1000); /* 32 bit pts in ms */
- return st;
-}
-
static int flv_read_header(AVFormatContext *s)
{
int offset, flags;
s->ctx_flags |= AVFMTCTX_NOHEADER;
if(flags & FLV_HEADER_FLAG_HASVIDEO){
- if(!create_stream(s, FLV_STREAM_TYPE_VIDEO))
+ if(!create_stream(s, 0, AVMEDIA_TYPE_VIDEO))
return AVERROR(ENOMEM);
}
if(flags & FLV_HEADER_FLAG_HASAUDIO){
- if(!create_stream(s, FLV_STREAM_TYPE_AUDIO))
+ if(!create_stream(s, 1, AVMEDIA_TYPE_AUDIO))
return AVERROR(ENOMEM);
}
// Flag doesn't indicate whether or not there is script-data present. Must
}
}
+
+static int flv_data_packet(AVFormatContext *s, AVPacket *pkt,
+ int64_t dts, int64_t next)
+{
+ int ret = AVERROR_INVALIDDATA, i;
+ AVIOContext *pb = s->pb;
+ AVStream *st = NULL;
+ AMFDataType type;
+ char buf[20];
+ int length;
+
+ type = avio_r8(pb);
+ if (type == AMF_DATA_TYPE_MIXEDARRAY)
+ avio_seek(pb, 4, SEEK_CUR);
+ else if (type != AMF_DATA_TYPE_OBJECT)
+ goto out;
+
+ amf_get_string(pb, buf, sizeof(buf));
+ if (strcmp(buf, "type") || avio_r8(pb) != AMF_DATA_TYPE_STRING)
+ goto out;
+
+ amf_get_string(pb, buf, sizeof(buf));
+ //FIXME parse it as codec_id
+ amf_get_string(pb, buf, sizeof(buf));
+ if (strcmp(buf, "text") || avio_r8(pb) != AMF_DATA_TYPE_STRING)
+ goto out;
+
+ length = avio_rb16(pb);
+ ret = av_get_packet(s->pb, pkt, length);
+ if (ret < 0) {
+ ret = AVERROR(EIO);
+ goto out;
+ }
+
+ for (i = 0; i < s->nb_streams; i++) {
+ st = s->streams[i];
+ if (st->id == 2)
+ break;
+ }
+
+ if (i == s->nb_streams) {
+ st = create_stream(s, 2, AVMEDIA_TYPE_DATA);
+ if (!st)
+ goto out;
+ st->codec->codec_id = CODEC_ID_TEXT;
+ }
+
+ pkt->dts = dts;
+ pkt->pts = dts;
+ pkt->size = ret;
+
+ pkt->stream_index = st->index;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+
+ avio_seek(s->pb, next + 4, SEEK_SET);
+out:
+ return ret;
+}
+
static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
{
FLVContext *flv = s->priv_data;
}
if(i == s->nb_streams){
av_log(s, AV_LOG_WARNING, "Stream discovered after head already parsed\n");
- st= create_stream(s, stream_type);
+ st = create_stream(s, stream_type,
+ (int[]){AVMEDIA_TYPE_VIDEO, AVMEDIA_TYPE_AUDIO, AVMEDIA_TYPE_DATA}[stream_type]);
}
av_dlog(s, "%d %X %d \n", stream_type, flags, st->discard);
if( (st->discard >= AVDISCARD_NONKEY && !((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY || (stream_type == FLV_STREAM_TYPE_AUDIO)))
}
if(!st->codec->codec_id){
flv_set_audio_codec(s, st, st->codec, flags & FLV_AUDIO_CODECID_MASK);
- flv->last_sample_rate = st->codec->sample_rate;
- flv->last_channels = st->codec->channels;
+ flv->last_sample_rate = sample_rate = st->codec->sample_rate;
+ flv->last_channels = channels = st->codec->channels;
} else {
AVCodecContext ctx;
ctx.sample_rate = sample_rate;
if (flv->wrong_dts)
dts = AV_NOPTS_VALUE;
}
- if (type == 0 && !st->codec->extradata) {
+ if (type == 0 && (!st->codec->extradata || st->codec->codec_id == CODEC_ID_AAC)) {
if (st->codec->extradata) {
if ((ret = flv_queue_extradata(flv, s->pb, stream_type, size)) < 0)
return ret;
return avio_seek_time(s->pb, stream_index, ts, flags);
}
-#if 0 /* don't know enough to implement this */
-static int flv_read_seek2(AVFormatContext *s, int stream_index,
- int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
-{
- int ret = AVERROR(ENOSYS);
-
- if (ts - min_ts > (uint64_t)(max_ts - ts)) flags |= AVSEEK_FLAG_BACKWARD;
-
- if (!s->pb->seekable) {
- if (stream_index < 0) {
- stream_index = av_find_default_stream_index(s);
- if (stream_index < 0)
- return -1;
-
- /* timestamp for default must be expressed in AV_TIME_BASE units */
- ts = av_rescale_rnd(ts, 1000, AV_TIME_BASE,
- flags & AVSEEK_FLAG_BACKWARD ? AV_ROUND_DOWN : AV_ROUND_UP);
- }
- ret = avio_seek_time(s->pb, stream_index, ts, flags);
- }
-
- if (ret == AVERROR(ENOSYS))
- ret = av_seek_frame(s, stream_index, ts, flags);
- return ret;
-}
-#endif
-
AVInputFormat ff_flv_demuxer = {
.name = "flv",
.long_name = NULL_IF_CONFIG_SMALL("FLV format"),
.read_header = flv_read_header,
.read_packet = flv_read_packet,
.read_seek = flv_read_seek,
-#if 0
- .read_seek2 = flv_read_seek2,
-#endif
.read_close = flv_read_close,
.extensions = "flv",
};
projects / ffmpeg / blobdiff