Revert "Prepare for O_DIRECT"

[frescor/ffmpeg.git] / doc / ffmpeg-doc.texi

diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi
index e3f2dc87277152e436d6928687a65d61804e7f81..b68b130bc20c6c3a6825b3bf2d3620cbfc4fe1aa 100644 (file)
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@@ -141,8 +141,9 @@ to get the desired audio language.
 
 NOTE: To see the supported input formats, use @code{ffmpeg -formats}.
 
-* You can extract images from a video:
+* You can extract images from a video, or create a video from many images:
 
+For extracting images from a video:
 @example
 ffmpeg -i foo.avi -r 1 -s WxH -f image2 foo-%03d.jpeg
 @end example
@@ -151,15 +152,20 @@ This will extract one video frame per second from the video and will
 output them in files named @file{foo-001.jpeg}, @file{foo-002.jpeg},
 etc. Images will be rescaled to fit the new WxH values.
 
+If you want to extract just a limited number of frames, you can use the
+above command in combination with the -vframes or -t option, or in
+combination with -ss to start extracting from a certain point in time.
+
+For creating a video from many images:
+@example
+ffmpeg -f image2 -i foo-%03d.jpeg -r 12 -s WxH foo.avi
+@end example
+
 The syntax @code{foo-%03d.jpeg} specifies to use a decimal number
 composed of three digits padded with zeroes to express the sequence
 number. It is the same syntax supported by the C printf function, but
 only formats accepting a normal integer are suitable.
 
-If you want to extract just a limited number of frames, you can use the
-above command in combination with the -vframes or -t option, or in
-combination with -ss to start extracting from a certain point in time.
-
 * You can put many streams of the same type in the output:
 
 @example
@@ -354,6 +360,8 @@ The following abbreviations are recognized:
 352x288
 @item 4cif
 704x576
+@item 16cif
+1408x1152
 @item qqvga
 160x120
 @item qvga
@@ -660,9 +668,6 @@ Calculate PSNR of compressed frames.
 Dump video coding statistics to @file{vstats_HHMMSS.log}.
 @item -vstats_file @var{file}
 Dump video coding statistics to @var{file}.
-@item -vhook @var{module}
-Insert video processing @var{module}. @var{module} contains the module
-name and its parameters separated by spaces.
 @item -top @var{n}
 top=1/bottom=0/auto=-1 field first
 @item -dc @var{precision}
@@ -767,7 +772,7 @@ When dumping packets, also dump the payload.
 @item -bitexact
 Only use bit exact algorithms (for codec testing).
 @item -ps @var{size}
-Set packet size in bits.
+Set RTP payload size in bytes.
 @item -re
 Read input at native frame rate. Mainly used to simulate a grab device.
 @item -loop_input