AVCodecContext *vcodec = vstream->codec;
switch(flv_codecid) {
case FLV_CODECID_H263 : vcodec->codec_id = CODEC_ID_FLV1 ; break;
+ case FLV_CODECID_REALH263: vcodec->codec_id = CODEC_ID_H263 ; break; // Really mean it this time
case FLV_CODECID_SCREEN: vcodec->codec_id = CODEC_ID_FLASHSV; break;
case FLV_CODECID_SCREEN2: vcodec->codec_id = CODEC_ID_FLASHSV2; break;
case FLV_CODECID_VP6 : vcodec->codec_id = CODEC_ID_VP6F ;
case FLV_CODECID_H264:
vcodec->codec_id = CODEC_ID_H264;
return 3; // not 4, reading packet type will consume one byte
+ case FLV_CODECID_MPEG4:
+ vcodec->codec_id = CODEC_ID_MPEG4;
+ return 3;
default:
av_log(s, AV_LOG_INFO, "Unsupported video codec (%x)\n", flv_codecid);
vcodec->codec_tag = flv_codecid;
int64_t *filepositions = NULL;
int ret = AVERROR(ENOSYS);
int64_t initial_pos = avio_tell(ioc);
+ AVDictionaryEntry *creator = av_dict_get(s->metadata, "metadatacreator",
+ NULL, 0);
+
+ if (creator && !strcmp(creator->value, "MEGA")) {
+ /* Files with this metadatacreator tag seem to have filepositions
+ * pointing at the 4 trailer bytes of the previous packet,
+ * which isn't the norm (nor what we expect here, nor what
+ * jwplayer + lighttpd expect, nor what flvtool2 produces).
+ * Just ignore the index in this case, instead of risking trying
+ * to adjust it to something that might or might not work. */
+ return 0;
+ }
while (avio_tell(ioc) < max_pos - 2 && amf_get_string(ioc, str_val, sizeof(str_val)) > 0) {
int64_t** current_array;
acodec = astream ? astream->codec : NULL;
vcodec = vstream ? vstream->codec : NULL;
+ if (amf_type == AMF_DATA_TYPE_NUMBER) {
+ if (!strcmp(key, "duration"))
+ s->duration = num_val * AV_TIME_BASE;
+ else if (!strcmp(key, "videodatarate") && vcodec && 0 <= (int)(num_val * 1024.0))
+ 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;
+ }
+
+ if (!strcmp(key, "duration") ||
+ !strcmp(key, "filesize") ||
+ !strcmp(key, "width") ||
+ !strcmp(key, "height") ||
+ !strcmp(key, "videodatarate") ||
+ !strcmp(key, "framerate") ||
+ !strcmp(key, "videocodecid") ||
+ !strcmp(key, "audiodatarate") ||
+ !strcmp(key, "audiosamplerate") ||
+ !strcmp(key, "audiosamplesize") ||
+ !strcmp(key, "stereo") ||
+ !strcmp(key, "audiocodecid"))
+ return 0;
+
if(amf_type == AMF_DATA_TYPE_BOOL) {
av_strlcpy(str_val, num_val > 0 ? "true" : "false", sizeof(str_val));
av_dict_set(&s->metadata, key, str_val, 0);
} else if(amf_type == AMF_DATA_TYPE_NUMBER) {
snprintf(str_val, sizeof(str_val), "%.f", num_val);
av_dict_set(&s->metadata, key, str_val, 0);
- if(!strcmp(key, "duration")) s->duration = num_val * AV_TIME_BASE;
- else if(!strcmp(key, "videodatarate") && vcodec && 0 <= (int)(num_val * 1024.0))
- 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(amf_type == AMF_DATA_TYPE_OBJECT){
+ if(s->nb_streams==1 && ((!acodec && !strcmp(key, "audiocodecid")) || (!vcodec && !strcmp(key, "videocodecid")))){
+ s->ctx_flags &= ~AVFMTCTX_NOHEADER; //If there is either audio/video missing, codecid will be an empty object
+ }
} else if (amf_type == AMF_DATA_TYPE_STRING)
av_dict_set(&s->metadata, key, str_val, 0);
}
static int flv_read_metabody(AVFormatContext *s, int64_t next_pos) {
AMFDataType type;
- AVStream *stream, *astream, *vstream;
+ AVStream *stream, *astream, *vstream, *dstream;
AVIOContext *ioc;
int i;
char buffer[11]; //only needs to hold the string "onMetaData". Anything longer is something we don't want.
- astream = NULL;
- vstream = NULL;
+ vstream = astream = dstream = NULL;
ioc = s->pb;
//first object needs to be "onMetaData" string
//find the streams now so that amf_parse_object doesn't need to do the lookup every time it is called.
for(i = 0; i < s->nb_streams; i++) {
stream = s->streams[i];
- if (stream->codec->codec_type == AVMEDIA_TYPE_AUDIO) astream = stream;
- else if(stream->codec->codec_type == AVMEDIA_TYPE_VIDEO) vstream = stream;
+ if(stream->codec->codec_type == AVMEDIA_TYPE_VIDEO) vstream = stream;
+ else if(stream->codec->codec_type == AVMEDIA_TYPE_AUDIO) astream = stream;
+ else if(stream->codec->codec_type == AVMEDIA_TYPE_VIDEO) dstream = stream;
}
//parse the second object (we want a mixed array)
return 0;
}
-static AVStream *create_stream(AVFormatContext *s, int is_audio){
- AVStream *st = av_new_stream(s, is_audio);
+static AVStream *create_stream(AVFormatContext *s, int stream_type){
+ AVStream *st = av_new_stream(s, stream_type);
if (!st)
return NULL;
- st->codec->codec_type = is_audio ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
+ 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");
+ }
av_set_pts_info(st, 32, 1, 1000); /* 32 bit pts in ms */
return st;
}
s->ctx_flags |= AVFMTCTX_NOHEADER;
if(flags & FLV_HEADER_FLAG_HASVIDEO){
- if(!create_stream(s, 0))
+ if(!create_stream(s, FLV_STREAM_TYPE_VIDEO))
return AVERROR(ENOMEM);
}
if(flags & FLV_HEADER_FLAG_HASAUDIO){
- if(!create_stream(s, 1))
+ if(!create_stream(s, FLV_STREAM_TYPE_AUDIO))
return AVERROR(ENOMEM);
}
+ // Flag doesn't indicate whether or not there is script-data present. Must
+ // create that stream if it's encountered.
offset = avio_rb32(s->pb);
avio_seek(s->pb, offset, SEEK_SET);
static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
{
FLVContext *flv = s->priv_data;
- int ret, i, type, size, flags, is_audio;
+ int ret, i, type, size, flags;
+ int stream_type=-1;
int64_t next, pos;
int64_t dts, pts = AV_NOPTS_VALUE;
AVStream *st = NULL;
next= size + avio_tell(s->pb);
if (type == FLV_TAG_TYPE_AUDIO) {
- is_audio=1;
+ stream_type=FLV_STREAM_TYPE_AUDIO;
flags = avio_r8(s->pb);
size--;
} else if (type == FLV_TAG_TYPE_VIDEO) {
- is_audio=0;
+ stream_type=FLV_STREAM_TYPE_VIDEO;
flags = avio_r8(s->pb);
size--;
if ((flags & 0xf0) == 0x50) /* video info / command frame */
goto skip;
- } else {
- if (type == FLV_TAG_TYPE_META && size > 13+1+4)
+ } else if (type == FLV_TAG_TYPE_META) {
+ if (size > 13+1+4 && dts == 0) { // Header-type metadata stuff
flv_read_metabody(s, next);
- else /* skip packet */
- av_log(s, AV_LOG_DEBUG, "skipping flv packet: type %d, size %d, flags %d\n", type, size, flags);
+ goto skip;
+ } else if (dts != 0) { // Script-data "special" metadata frames - don't skip
+ stream_type=FLV_STREAM_TYPE_DATA;
+ } else {
+ goto skip;
+ }
+ } else {
+ av_log(s, AV_LOG_DEBUG, "skipping flv packet: type %d, size %d, flags %d\n", type, size, flags);
skip:
avio_seek(s->pb, next, SEEK_SET);
continue;
/* now find stream */
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
- if (st->id == is_audio)
+ if (st->id == stream_type)
break;
}
if(i == s->nb_streams){
- av_log(s, AV_LOG_ERROR, "invalid stream\n");
- st= create_stream(s, is_audio);
+ av_log(s, AV_LOG_WARNING, "Stream discovered after head already parsed\n");
+ st= create_stream(s, stream_type);
s->ctx_flags &= ~AVFMTCTX_NOHEADER;
}
- av_dlog(s, "%d %X %d \n", is_audio, flags, st->discard);
- if( (st->discard >= AVDISCARD_NONKEY && !((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY || is_audio))
- ||(st->discard >= AVDISCARD_BIDIR && ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_DISP_INTER && !is_audio))
+ 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)))
+ ||(st->discard >= AVDISCARD_BIDIR && ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_DISP_INTER && (stream_type == FLV_STREAM_TYPE_VIDEO)))
|| st->discard >= AVDISCARD_ALL
){
avio_seek(s->pb, next, SEEK_SET);
avio_seek(s->pb, pos, SEEK_SET);
}
- if(is_audio){
+ if(stream_type == FLV_STREAM_TYPE_AUDIO){
if(!st->codec->channels || !st->codec->sample_rate || !st->codec->bits_per_coded_sample) {
st->codec->channels = (flags & FLV_AUDIO_CHANNEL_MASK) == FLV_STEREO ? 2 : 1;
st->codec->sample_rate = (44100 << ((flags & FLV_AUDIO_SAMPLERATE_MASK) >> FLV_AUDIO_SAMPLERATE_OFFSET) >> 3);
if(!st->codec->codec_id){
flv_set_audio_codec(s, st, flags & FLV_AUDIO_CODECID_MASK);
}
- }else{
+ } else if(stream_type == FLV_STREAM_TYPE_VIDEO) {
size -= flv_set_video_codec(s, st, flags & FLV_VIDEO_CODECID_MASK);
}
if (st->codec->codec_id == CODEC_ID_AAC ||
- st->codec->codec_id == CODEC_ID_H264) {
+ st->codec->codec_id == CODEC_ID_H264 ||
+ st->codec->codec_id == CODEC_ID_MPEG4) {
int type = avio_r8(s->pb);
size--;
- if (st->codec->codec_id == CODEC_ID_H264) {
+ if (st->codec->codec_id == CODEC_ID_H264 || st->codec->codec_id == CODEC_ID_MPEG4) {
int32_t cts = (avio_rb24(s->pb)+0xff800000)^0xff800000; // sign extension
pts = dts + cts;
if (cts < 0) { // dts are wrong
if (flv->wrong_dts)
dts = AV_NOPTS_VALUE;
}
- if (type == 0) {
+
+ if (type == 0 && !st->codec->extradata) {
if ((ret = flv_get_extradata(s, st, size)) < 0)
return ret;
if (st->codec->codec_id == CODEC_ID_AAC) {
pkt->pts = pts == AV_NOPTS_VALUE ? dts : pts;
pkt->stream_index = st->index;
- if (is_audio || ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY))
+ if ( stream_type == FLV_STREAM_TYPE_AUDIO ||
+ ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY) ||
+ stream_type == FLV_STREAM_TYPE_DATA)
pkt->flags |= AV_PKT_FLAG_KEY;
leave:
projects / ffmpeg / blobdiff