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Old 06-15-2011, 04:10 PM
chap chap is offline
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Re: channelfireball.com: Need help with a stream using RTMPdump


Quote:
Originally Posted by vivisect View Post
That's great! Totally works. But how about this. The stream that it grabs still seems to be the downgraded version. I admittedly don't know how these protocols work, nor how the player chooses the sample rate. Any ideas? The player seems to go to the high sample rate after about 30 seconds of play. I can't seem to get any other urls out of it though.
you need a high bitrate?

Code:
General
Complete name :794267721001_982024647001_Channel-LSV---3-NPH-Draft--1---Drafting.mp4
Format                           : Flash Video
File size                        : 11.4 MiB
Duration                         : 1mn 17s
Overall bit rate                 : 1 239 Kbps

Video
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : Main@L3.2
Format settings, CABAC           : No
Format settings, ReFrames        : 2 frames
Codec ID                         : 7
Duration                         : 1mn 17s
Width                            : 1 280 pixels
Height                           : 720 pixels
Display aspect ratio             : 16:9
Frame rate mode                  : Constant
Frame rate                       : 29.970 fps
Color space                      : YUV
Chroma subsampling               : 4:2:0
Bit depth                        : 8 bits
Scan type                        : Progressive
Color primaries                  : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
Transfer characteristics         : BT.709-5, BT.1361
Matrix coefficients              : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177

Audio
Format                           : AAC
Format/Info                      : Advanced Audio Codec
Format profile                   : LC
Codec ID                         : 10
Duration                         : 1mn 17s
Channel(s)                       : 2 channels
Channel positions                : Front: L R
Sampling rate                    : 48.0 KHz
Compression mode                 : Lossy
Code:
794267721001_982107137001_Channel-LSV---3-NPH-Draft--1---Drafting.mp4
Format                           : Flash Video
File size                        : 8.32 MiB
Duration                         : 32s 866ms
Overall bit rate                 : 2 123 Kbps

Video
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L3.1
Format settings, CABAC           : Yes
Format settings, ReFrames        : 4 frames
Codec ID                         : 7
Duration                         : 32s 866ms
Nominal bit rate                 : 1 633 Kbps
Width                            : 1 280 pixels
Height                           : 720 pixels
Display aspect ratio             : 16:9
Frame rate mode                  : Constant
Frame rate                       : 29.970 fps
Color space                      : YUV
Chroma subsampling               : 4:2:0
Bit depth                        : 8 bits
Scan type                        : Progressive
Bits/(Pixel*Frame)               : 0.059
Writing library                  : x264 core 112
Encoding settings                : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=4 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=0 / keyint=60 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=1633 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.41 / aq=1:1.00

Audio
Format                           : AAC
Format/Info                      : Advanced Audio Codec
Format profile                   : LC
Codec ID                         : 10
Duration                         : 32s 866ms
Channel(s)                       : 2 channels
Channel positions                : Front: L R
Sampling rate                    : 44.1 KHz
Compression mode                 : Lossy

Last edited by chap : 06-15-2011 at 07:12 PM.
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