revert avformat pts offset change and note bug in docs

[mlt] / docs / services.txt

diff --git a/docs/services.txt b/docs/services.txt
index 74672b9f9e770ccb51b66c53b0d2079d4fbea574..e1470f527c37d700f1e98726f05b5b128f442cd8 100644 (file)
--- a/docs/services.txt
+++ b/docs/services.txt
@@ -16,9 +16,10 @@ Producers
                Constructor Argument
 
                        'file' - a filename specification or URL in the form:
-                            [{protocol}|{format}]:{resource}[?{format-parameter}[&{format-parameter}]]
-                                For example, video4linux:/dev/video1?width=320&height=240
-                                Note: on the bash command line, '&' must be escaped as '\&'
+                            [{protocol}|{format}]:{resource}[?{format-parameter}[&{format-parameter}...]]
+                                For example, video4linux:/dev/video1?width:320&height:240
+                                Note: on the bash command line, & must be escaped as '\&'.
+                                        Also, note the use of ':' instead of '=' for parameters.
                                 Use 'ffmpeg -formats' to see a list of supported protocols 
                                 and formats.
                                         
@@ -57,6 +58,8 @@ Producers
                        MPEG seeking is inaccurate - doesn't seek to i-frames so you may
                        get junk for a few frames.
                        RAW DV seeking not supported.
+                       Fails to play beyond first frame of video of sources with PTS not
+                       starting at 0 (video4linux).
 
        fezzik