On Wed, Mar 18, 2015 at 01:21:25PM +0100, Hendrik Leppkes wrote: > On Wed, Mar 18, 2015 at 1:06 PM, Michael Niedermayer <michae...@gmx.at> wrote: > > On Wed, Mar 18, 2015 at 07:49:46AM -0400, Marcus Johnson wrote: > >> This reminds me of another bug with DTS files, it estimates the file > >> duration by counting each frame I assume, including the HD ones resulting > >> in it being massively incorrect for example here's the ffmpeg output of a > >> DTS-HD MA file that's actually 98 minutes long > >> > >> > >> > >> Log: > >> > >> ffmpeg -i /Users/Marcus/Desktop/DTS/ThePrincessBride.dtsma > >> > >> ffmpeg version N-68833-ge949e9f Copyright (c) 2000-2014 the FFmpeg > >> developers > >> > >> built on Mar 18 2015 07:47:46 with Apple LLVM version 6.0 > >> (clang-600.0.57) (based on LLVM 3.5svn) > >> > >> configuration: --disable-yasm --disable-asm --disable-inline-asm > >> --disable-ffserver --disable-ffplay --disable-doc --disable-ffprobe > >> > >> libavutil 54. 16.100 / 54. 16.100 > >> > >> libavcodec 56. 19.100 / 56. 19.100 > >> > >> libavformat 56. 16.102 / 56. 16.102 > >> > >> libavdevice 56. 3.100 / 56. 3.100 > >> > >> libavfilter 5. 6.100 / 5. 6.100 > >> > >> libswscale 3. 1.101 / 3. 1.101 > >> > >> libswresample 1. 1.100 / 1. 1.100 > >> > >> [dts @ 0x7fe833822800] Estimating duration from bitrate, this may be > >> inaccurate > >> > >> Input #0, dts, from '/Users/Marcus/Desktop/DTS/ThePrincessBride.dtsma': > >> > >> Duration: 04:06:57.61, start: 0.000000, bitrate: 1535 kb/s > >> > >> Stream #0:0: Audio: dts (DTS), 48000 Hz, 5.1(side), fltp, 1536 kb/s > >> > >> > >> Instead of it saying it's about 1 hours and 30 minutes, it says it's 4 > >> hours, and 6 minutes. > >> > >> > > > >> Maybe the parser should ignore the dts-hd frames, because they won't > >> increase the duration at all, due to the differential nature of the codec. > > > > if i understand correctly, yes, > > > > all parts of the data stream which encode the same time period belong > > in the same AVPacket. > > It already does this. The Core and HD extensions are all placed in the > same AVPacket if the dca parser is used.
i misunderstood the suggestion then, it also sounded odd that it wouldnt [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Democracy is the form of government in which you can choose your dictator
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