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ext/lame/gstlame.c: Display sensible defaults and limits for the vbr-min/max/mean properties. Fix the 'hard-limit' VB...

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Original commit message from CVS:
* ext/lame/gstlame.c: (gst_lame_class_init), (gst_lame_init),
(gst_lame_setup):
Display sensible defaults and limits for the
vbr-min/max/mean properties. Fix the 'hard-limit' VBR min
property - it's supposed to be a boolean 0/1 value.
This commit is contained in:
Jan Schmidt 2007-02-28 18:41:38 +00:00
parent 8974080b09
commit 0e3f19744e
1 changed files with 18 additions and 5 deletions
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23
ext/lame/gstlame.c
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@ -85,6 +85,10 @@
GST_DEBUG_CATEGORY_STATIC (debug); GST_DEBUG_CATEGORY_STATIC (debug);
#define GST_CAT_DEFAULT debug #define GST_CAT_DEFAULT debug
#define DEFAULT_MIN_VBR_BITRATE 112
#define DEFAULT_MAX_VBR_BITRATE 160
#define DEFAULT_MEAN_VBR_BITRATE 128
/* elementfactory information */ /* elementfactory information */
static GstElementDetails gst_lame_details = { static GstElementDetails gst_lame_details = {
"L.A.M.E. mp3 encoder", "L.A.M.E. mp3 encoder",
@ -420,20 +424,22 @@ gst_lame_class_init (GstLameClass * klass)
GST_TYPE_LAME_QUALITY, 5, G_PARAM_READWRITE)); GST_TYPE_LAME_QUALITY, 5, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MEAN_BITRATE, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MEAN_BITRATE,
g_param_spec_int ("vbr-mean-bitrate", "VBR mean bitrate", g_param_spec_int ("vbr-mean-bitrate", "VBR mean bitrate",
"Specify mean VBR bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE)); "Specify mean VBR bitrate", 8, 320,
DEFAULT_MEAN_VBR_BITRATE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MIN_BITRATE, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MIN_BITRATE,
g_param_spec_int ("vbr-min-bitrate", "VBR min bitrate", g_param_spec_int ("vbr-min-bitrate", "VBR min bitrate",
"Specify minimum VBR bitrate (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, " "Specify minimum VBR bitrate (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, "
"112, 128, 160, 192, 224, 256 or 320)", "112, 128, 160, 192, 224, 256 or 320)",
0, G_MAXINT, 0, G_PARAM_READWRITE)); 8, 320, DEFAULT_MIN_VBR_BITRATE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MAX_BITRATE, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_MAX_BITRATE,
g_param_spec_int ("vbr-max-bitrate", "VBR max bitrate", g_param_spec_int ("vbr-max-bitrate", "VBR max bitrate",
"Specify maximum VBR bitrate (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, " "Specify maximum VBR bitrate (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, "
"112, 128, 160, 192, 224, 256 or 320)", "112, 128, 160, 192, 224, 256 or 320)",
0, G_MAXINT, 0, G_PARAM_READWRITE)); 8, 320, DEFAULT_MAX_VBR_BITRATE, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_HARD_MIN, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VBR_HARD_MIN,
g_param_spec_int ("vbr-hard-min", "VBR hard min", g_param_spec_int ("vbr-hard-min", "VBR hard min",
"Specify hard min bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE)); "Specify whether min VBR bitrate is a hard limit. Normally, "
"it can be violated for silence", 0, 1, 0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOWPASS_FREQ, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOWPASS_FREQ,
g_param_spec_int ("lowpass-freq", "Lowpass freq", g_param_spec_int ("lowpass-freq", "Lowpass freq",
"frequency(kHz), lowpass filter cutoff above freq", 0, 50000, 0, "frequency(kHz), lowpass filter cutoff above freq", 0, 50000, 0,
@ -606,10 +612,18 @@ gst_lame_init (GstLame * lame)
lame->disable_reservoir = lame_get_disable_reservoir (lame->lgf); lame->disable_reservoir = lame_get_disable_reservoir (lame->lgf);
lame->vbr = vbr_off; /* lame_get_VBR (lame->lgf); */ lame->vbr = vbr_off; /* lame_get_VBR (lame->lgf); */
lame->vbr_quality = 5; lame->vbr_quality = 5;
#if 0
/* Replaced by our own more informative constants,
rather than LAME's defaults */
lame->vbr_mean_bitrate = lame_get_VBR_mean_bitrate_kbps (lame->lgf); lame->vbr_mean_bitrate = lame_get_VBR_mean_bitrate_kbps (lame->lgf);
lame->vbr_min_bitrate = lame_get_VBR_min_bitrate_kbps (lame->lgf); lame->vbr_min_bitrate = lame_get_VBR_min_bitrate_kbps (lame->lgf);
lame->vbr_max_bitrate = 0; /* lame_get_VBR_max_bitrate_kbps (lame->lgf); lame->vbr_max_bitrate = 0; /* lame_get_VBR_max_bitrate_kbps (lame->lgf);
* => 0/no vbr possible */ * => 0/no vbr possible */
#else
lame->vbr_mean_bitrate = DEFAULT_MEAN_VBR_BITRATE;
lame->vbr_min_bitrate = DEFAULT_MIN_VBR_BITRATE;
lame->vbr_max_bitrate = DEFAULT_MAX_VBR_BITRATE;
#endif
lame->vbr_hard_min = lame_get_VBR_hard_min (lame->lgf); lame->vbr_hard_min = lame_get_VBR_hard_min (lame->lgf);
/* lame->lowpass_freq = 50000; lame_get_lowpassfreq (lame->lgf); /* lame->lowpass_freq = 50000; lame_get_lowpassfreq (lame->lgf);
* => 0/lowpass on everything ? */ * => 0/lowpass on everything ? */
@ -1172,7 +1186,6 @@ gst_lame_setup (GstLame * lame)
CHECK_AND_FIXUP_BITRATE (lame, "vbr-max-bitrate", lame->vbr_max_bitrate); CHECK_AND_FIXUP_BITRATE (lame, "vbr-max-bitrate", lame->vbr_max_bitrate);
CHECK_ERROR (lame_set_VBR_max_bitrate_kbps (lame->lgf, CHECK_ERROR (lame_set_VBR_max_bitrate_kbps (lame->lgf,
lame->vbr_max_bitrate)); lame->vbr_max_bitrate));
CHECK_AND_FIXUP_BITRATE (lame, "vbr-hard-min", lame->vbr_hard_min);
CHECK_ERROR (lame_set_VBR_hard_min (lame->lgf, lame->vbr_hard_min)); CHECK_ERROR (lame_set_VBR_hard_min (lame->lgf, lame->vbr_hard_min));
CHECK_ERROR (lame_set_lowpassfreq (lame->lgf, lame->lowpass_freq)); CHECK_ERROR (lame_set_lowpassfreq (lame->lgf, lame->lowpass_freq));
CHECK_ERROR (lame_set_lowpasswidth (lame->lgf, lame->lowpass_width)); CHECK_ERROR (lame_set_lowpasswidth (lame->lgf, lame->lowpass_width));