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opusenc: bound the bitrate to more sensible values

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Go from the bounds mentioned in the spec, and allow some more
variation.
In particular, don't allow silly low bitrates, and allow reaching
the maximum useful bitrate.
This commit is contained in:
Vincent Penquerc'h 2011-11-22 16:14:06 +00:00
parent bb39c86fdf
commit ee723996db
1 changed files with 7 additions and 1 deletions
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8
ext/opus/gstopusenc.c
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@ -54,6 +54,12 @@
GST_DEBUG_CATEGORY_STATIC (opusenc_debug); GST_DEBUG_CATEGORY_STATIC (opusenc_debug);
#define GST_CAT_DEFAULT opusenc_debug #define GST_CAT_DEFAULT opusenc_debug
/* Some arbitrary bounds beyond which it really doesn't make sense.
The spec mentions 6 kb/s to 510 kb/s, so 4000 and 650000 ought to be
safe as property bounds. */
#define LOWEST_BITRATE 4000
#define HIGHEST_BITRATE 650000
#define GST_OPUS_ENC_TYPE_BANDWIDTH (gst_opus_enc_bandwidth_get_type()) #define GST_OPUS_ENC_TYPE_BANDWIDTH (gst_opus_enc_bandwidth_get_type())
static GType static GType
gst_opus_enc_bandwidth_get_type (void) gst_opus_enc_bandwidth_get_type (void)
@ -234,7 +240,7 @@ gst_opus_enc_class_init (GstOpusEncClass * klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BITRATE, g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BITRATE,
g_param_spec_int ("bitrate", "Encoding Bit-rate", g_param_spec_int ("bitrate", "Encoding Bit-rate",
"Specify an encoding bit-rate (in bps).", "Specify an encoding bit-rate (in bps).",
1, 320000, DEFAULT_BITRATE, LOWEST_BITRATE, HIGHEST_BITRATE, DEFAULT_BITRATE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_BANDWIDTH, g_object_class_install_property (gobject_class, PROP_BANDWIDTH,
g_param_spec_enum ("bandwidth", "Band Width", g_param_spec_enum ("bandwidth", "Band Width",