int hasAudio;
int hasVideo;
int reserved;
+ offset_t duration_offset;
+ offset_t filesize_offset;
+ int64_t duration;
} FLVContext;
static int get_audio_flags(AVCodecContext *enc){
/* mixed array (hash) with size and string/type/data tuples */
put_byte(pb, AMF_MIXED_ARRAY);
- put_be32(pb, 4*flv->hasVideo + flv->hasAudio + (!!s->file_size) + (s->duration != AV_NOPTS_VALUE && s->duration));
+ put_be32(pb, 4*flv->hasVideo + flv->hasAudio + 2); // +2 for duration and file size
- if (s->duration != AV_NOPTS_VALUE && s->duration) {
- put_amf_string(pb, "duration");
- put_amf_double(pb, s->duration / (double)AV_TIME_BASE);
- }
+ put_amf_string(pb, "duration");
+ flv->duration_offset= url_ftell(pb);
+ put_amf_double(pb, 0); // delayed write
if(flv->hasVideo){
put_amf_string(pb, "width");
put_amf_double(pb, samplerate);
}
- if(s->file_size){
- put_amf_string(pb, "filesize");
- put_amf_double(pb, s->file_size);
- }
+ put_amf_string(pb, "filesize");
+ flv->filesize_offset= url_ftell(pb);
+ put_amf_double(pb, 0); // delayed write
put_amf_string(pb, "");
put_byte(pb, 9); // end marker 1 byte
flags |= flv->hasVideo ? 1 : 0;
url_fseek(pb, 4, SEEK_SET);
put_byte(pb,flags);
+
+ /* update informations */
+ url_fseek(pb, flv->duration_offset, SEEK_SET);
+ put_amf_double(pb, flv->duration / (double)1000);
+ url_fseek(pb, flv->filesize_offset, SEEK_SET);
+ put_amf_double(pb, file_size);
+
url_fseek(pb, file_size, SEEK_SET);
return 0;
}
put_byte(pb,flags);
put_buffer(pb, pkt->data, size);
put_be32(pb,size+1+11); // previous tag size
+ flv->duration = pkt->pts + pkt->duration;
put_flush_packet(pb);
return 0;
1453500 ./data/a-asv2.avi
0b310840a6d3970595983491687669df *./data/out.yuv
stddev: 18.82 PSNR:22.63 bytes:7602176
-2e1647c88d1b7e56d91058484db602da *./data/a-flv.flv
-658104 ./data/a-flv.flv
+fc2eaff78828dd0efd6483f754511f33 *./data/a-flv.flv
+658142 ./data/a-flv.flv
4d9c04e7017dc68da7891048c46c1c37 *./data/out.yuv
stddev: 8.08 PSNR:29.97 bytes:7602176
a7ef4746f27be309138c188e327d3ebe *./data/a-ffv1.avi
0026c4e2528ff8f71b79ef53d38cc04d *./data/b-libav.ffm
389120 ./data/b-libav.ffm
./data/b-libav.ffm CRC=0x688bd1eb
-eb8ff480628c444be572045ef7208528 *./data/b-libav.flv
-339438 ./data/b-libav.flv
+1596b6d08a94e6b5519357ed23a48aa3 *./data/b-libav.flv
+339476 ./data/b-libav.flv
./data/b-libav.flv CRC=0x7b9076f8
63e05396e2d52135c4025ce14eb090a9 *./data/b-libav.mov
369893 ./data/b-libav.mov