From 840955c22672261e9fe77d67a81e5772173cf0dc Mon Sep 17 00:00:00 2001 From: Mark Nauwelaerts Date: Thu, 28 May 2009 13:09:24 +0200 Subject: amrparse: consider header size in byte <-> time conversions --- gst/amrparse/gstamrparse.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'gst/amrparse/gstamrparse.c') diff --git a/gst/amrparse/gstamrparse.c b/gst/amrparse/gstamrparse.c index aeb928e1..5ec0c6c2 100644 --- a/gst/amrparse/gstamrparse.c +++ b/gst/amrparse/gstamrparse.c @@ -309,12 +309,12 @@ gst_amrparse_parse_header (GstAmrParse * amrparse, GST_DEBUG_OBJECT (amrparse, "AMR-WB detected"); amrparse->block_size = block_size_wb; amrparse->wide = TRUE; - *skipsize = 9; + *skipsize = amrparse->header = 9; } else if (!memcmp (data, "#!AMR\n", 6)) { GST_DEBUG_OBJECT (amrparse, "AMR-NB detected"); amrparse->block_size = block_size_nb; amrparse->wide = FALSE; - *skipsize = 6; + *skipsize = amrparse->header = 6; } else return FALSE; @@ -453,6 +453,7 @@ gst_amrparse_start (GstBaseParse * parse) amrparse = GST_AMRPARSE (parse); GST_DEBUG ("start"); amrparse->need_header = TRUE; + amrparse->header = 0; amrparse->sync = TRUE; amrparse->eos = FALSE; amrparse->framecount = 0; @@ -478,6 +479,7 @@ gst_amrparse_stop (GstBaseParse * parse) amrparse = GST_AMRPARSE (parse); GST_DEBUG ("stop"); amrparse->need_header = TRUE; + amrparse->header = 0; amrparse->ts = -1; return TRUE; } @@ -548,7 +550,7 @@ gst_amrparse_convert (GstBaseParse * parse, GST_DEBUG ("converting bytes -> time"); if (amrparse->framecount) { - *dest_value = AMR_FRAME_DURATION * src_value / bpf; + *dest_value = AMR_FRAME_DURATION * (src_value - amrparse->header) / bpf; GST_DEBUG ("conversion result: %lld ms", *dest_value / GST_MSECOND); ret = TRUE; } @@ -557,7 +559,7 @@ gst_amrparse_convert (GstBaseParse * parse, GST_DEBUG ("converting time -> bytes"); if (dest_format == GST_FORMAT_BYTES) { if (amrparse->framecount) { - *dest_value = bpf * src_value / AMR_FRAME_DURATION; + *dest_value = bpf * src_value / AMR_FRAME_DURATION + amrparse->header; GST_DEBUG ("time %lld ms in bytes = %lld", src_value / GST_MSECOND, *dest_value); ret = TRUE; -- cgit v1.2.1