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authorgabucino <gabucino@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-03-18 16:01:12 +0000
committergabucino <gabucino@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-03-18 16:01:12 +0000
commit1ac1aa40babe9c05ece874f89667e470fe8ba86a (patch)
tree2a2aaf3e7ac0fe93eabe2ca5273b57c7749654ba /DOCS/tech/general.txt
parentded812206a4daf5acef3b54f42a2dc8b74de3695 (diff)
downloadmpv-1ac1aa40babe9c05ece874f89667e470fe8ba86a.tar.bz2
mpv-1ac1aa40babe9c05ece874f89667e470fe8ba86a.tar.xz
even more cosmetics
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@139 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'DOCS/tech/general.txt')
-rw-r--r--DOCS/tech/general.txt16
1 files changed, 8 insertions, 8 deletions
diff --git a/DOCS/tech/general.txt b/DOCS/tech/general.txt
index 64fdcbd4f1..ae6204904a 100644
--- a/DOCS/tech/general.txt
+++ b/DOCS/tech/general.txt
@@ -51,19 +51,19 @@ Now, go on:
3. mplayer.c - ooh, he's the boss :)
The timing is solved odd, since it has/recommended to be done differently
- for each of the formats, and sometimes can be done by many ways.
+ for each of the formats, and sometimes can be done in many ways.
There are the a_frame and v_frame float variables, they store the
just played a/v position is seconds.
A new frame is displayed if v_frame<a_frame, and sound is decoded if
a_frame<v_frame.
When playing (a/v), it increases the variables by the duration of the
played a/v. In video, it's usually 1.0/fps, but I have to mention that
- doesn't really matters at video, for example asf doesn't have that,
- instead there is "duration" and it can change per frames.
+ fps doesn't really matters at video, for example asf doesn't have that,
+ instead there is "duration" and it can change per frame.
MPEG2 has "repeat_count" which delays the frame by 1-2.5 ...
Maybe only AVI and MPEG1 has fixed fps.
- So everything works perfect until the audio and video are in perfect
+ So everything works right until the audio and video are in perfect
synchronity, since the audio goes, it gives the timing, and if the
time of a frame passed, the next frame is displayed.
But what if these two aren't synchronized in the input file?
@@ -110,8 +110,8 @@ Now, go on:
5.a Codec controller: this is the greatest hack in the whole :)
The libmpeg2 is so unstable, that I can't believe it.
Of course I don't mean it bullshit :) rather it only accepts
- totally perfect, errorfree streams. If it founds error, it's
- just a segfault ;) And don't start laughing, this is great this way,
+ totally perfect, error-free streams. If it founds error, it
+ just segfaults ;) And don't start laughing, this is great this way,
from the view of speed it would be 50-100% slower if stuffed full with
verifications. That's why I solved it by running it in a separate
process, and if it dies, who cares, just start another.
@@ -121,11 +121,11 @@ Now, go on:
So the MPlayer doesn't have to care about this, it just pumps the
compressed stuff into the child, which displays it.
- shmem: the compressed data, and the uncompressed frames are both
- in shared memory, so all 3 processes (mplayer, codeccontrol,
+ in shared memory, so all 3 processes (mplayer, codeccontrol,
libmpeg2 codec) sees 'em, so they can trade data fast.
- FIFO is used for the communication between them.
- If the child dies while decoding, the succesfully decoded data
- isn't lost, they are inherited by the new child throught the
+ isn't lost, it's inherited by the new child through the
shared mem! So only a little error can be seen in the video,
it won't disappear or turn green, as in the older versions.