From: Alexey Fisher Date: Wed, 18 May 2011 11:18:58 +0000 (+0200) Subject: [MOVED FROM BAD 076/134] vp8enc: Fix quality to (constant) quantizer mapping X-Git-Tag: 1.19.3~509^2~6609 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b6a52550b4069855ddede22baa2c6e25344d4310;p=platform%2Fupstream%2Fgstreamer.git [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. --- diff --git a/ext/vp8/gstvp8enc.c b/ext/vp8/gstvp8enc.c index b65029f..2bf1301 100644 --- a/ext/vp8/gstvp8enc.c +++ b/ext/vp8/gstvp8enc.c @@ -242,7 +242,7 @@ gst_vp8_enc_class_init (GstVP8EncClass * klass) g_object_class_install_property (gobject_class, PROP_QUALITY, g_param_spec_double ("quality", "Quality", - "Quality", + "Quality. This parameter set constant quantizer.", 0, 10.0, DEFAULT_QUALITY, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); @@ -508,8 +508,8 @@ gst_vp8_enc_set_format (GstBaseVideoEncoder * base_video_encoder, if (encoder->bitrate) { cfg.rc_target_bitrate = encoder->bitrate / 1000; } else { - cfg.rc_min_quantizer = 63 - encoder->quality * 5.0; - cfg.rc_max_quantizer = 63 - encoder->quality * 5.0; + cfg.rc_min_quantizer = (gint) (63 - encoder->quality * 6.2); + cfg.rc_max_quantizer = (gint) (63 - encoder->quality * 6.2); cfg.rc_target_bitrate = encoder->bitrate; }