[MOVED FROM BAD 076/134] vp8enc: Fix quality to (constant) quantizer mapping
This now allows to select all possible quantizers between 0 and 63. See bug #641405.
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@ -242,7 +242,7 @@ gst_vp8_enc_class_init (GstVP8EncClass * klass)
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g_object_class_install_property (gobject_class, PROP_QUALITY,
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g_object_class_install_property (gobject_class, PROP_QUALITY,
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g_param_spec_double ("quality", "Quality",
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g_param_spec_double ("quality", "Quality",
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"Quality",
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"Quality. This parameter set constant quantizer.",
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0, 10.0, DEFAULT_QUALITY,
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0, 10.0, DEFAULT_QUALITY,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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@ -508,8 +508,8 @@ gst_vp8_enc_set_format (GstBaseVideoEncoder * base_video_encoder,
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if (encoder->bitrate) {
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if (encoder->bitrate) {
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cfg.rc_target_bitrate = encoder->bitrate / 1000;
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cfg.rc_target_bitrate = encoder->bitrate / 1000;
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} else {
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} else {
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cfg.rc_min_quantizer = 63 - encoder->quality * 5.0;
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cfg.rc_min_quantizer = (gint) (63 - encoder->quality * 6.2);
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cfg.rc_max_quantizer = 63 - encoder->quality * 5.0;
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cfg.rc_max_quantizer = (gint) (63 - encoder->quality * 6.2);
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cfg.rc_target_bitrate = encoder->bitrate;
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cfg.rc_target_bitrate = encoder->bitrate;
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}
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}
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