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mpeg2enc: fix bitrate property settings

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Align bitrate property interpretation with usual mpeg2enc behaviour.
Fixes #575736.
This commit is contained in:
Mark Nauwelaerts 2009-03-30 21:57:12 +02:00
parent 95b792f911
commit d2f9546369
1 changed files with 15 additions and 8 deletions
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23
ext/mpeg2enc/gstmpeg2encoptions.cc
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@ -25,6 +25,8 @@
#include "gstmpeg2encoptions.hh"
#include <gst/gst.h>
/*
* Property enumeration.
*/
@ -290,7 +292,7 @@ MPEG2EncOptions ()
num_cpus = 32;
/* set some default(s) not set in base class */
bitrate = DEFAULT_BITRATE * 1024;
bitrate = DEFAULT_BITRATE * 1000;
}
/*
@ -321,11 +323,11 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass)
/* general encoding stream options */
g_object_class_install_property (klass, ARG_BITRATE,
g_param_spec_int ("bitrate", "Bitrate", "Compressed video bitrate (kbps)",
0, 10 * 1024, DEFAULT_BITRATE, (GParamFlags) G_PARAM_READWRITE));
0, 10 * 1000, DEFAULT_BITRATE, (GParamFlags) G_PARAM_READWRITE));
g_object_class_install_property (klass, ARG_NONVIDEO_BITRATE,
g_param_spec_int ("non-video-bitrate", "Non-video bitrate",
"Assumed bitrate of non-video for sequence splitting (kbps)",
0, 10 * 1024, 0, (GParamFlags) G_PARAM_READWRITE));
0, 10 * 1000, 0, (GParamFlags) G_PARAM_READWRITE));
g_object_class_install_property (klass, ARG_QUANTISATION,
g_param_spec_int ("quantisation", "Quantisation",
"Quantisation factor (-1=cbr, 0=default, 1=best, 31=worst)",
@ -334,7 +336,7 @@ GstMpeg2EncOptions::initProperties (GObjectClass * klass)
/* stills options */
g_object_class_install_property (klass, ARG_VCD_STILL_SIZE,
g_param_spec_int ("vcd-still-size", "VCD stills size",
"Size of VCD stills (in kB)",
"Size of VCD stills (in KB)",
0, 512, 0, (GParamFlags) G_PARAM_READWRITE));
/* motion estimation options */
@ -485,10 +487,10 @@ GstMpeg2EncOptions::getProperty (guint prop_id, GValue * value)
g_value_set_enum (value, fieldenc);
break;
case ARG_BITRATE:
g_value_set_int (value, bitrate / 1024);
g_value_set_int (value, bitrate / 1000);
break;
case ARG_NONVIDEO_BITRATE:
g_value_set_int (value, nonvid_bitrate / 1024);
g_value_set_int (value, nonvid_bitrate);
break;
case ARG_QUANTISATION:
g_value_set_int (value, force_cbr ? -1 : quant);
@ -611,10 +613,15 @@ GstMpeg2EncOptions::setProperty (guint prop_id, const GValue * value)
fieldenc = g_value_get_enum (value);
break;
case ARG_BITRATE:
bitrate = g_value_get_int (value) * 1024;
bitrate = g_value_get_int (value) * 1000;
if (bitrate % 400 != 0) {
bitrate = (bitrate / 400 + 1) * 400;
GST_INFO ("MPEG bitrate must be a multiple of 400",
" - rounded up to bitrate %d", bitrate / 1000);
}
break;
case ARG_NONVIDEO_BITRATE:
nonvid_bitrate = g_value_get_int (value) * 1024;
nonvid_bitrate = g_value_get_int (value);
break;
case ARG_QUANTISATION:
quant = g_value_get_int (value);