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jpegenc: declare quality property changeable in PLAYING state

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https://bugzilla.gnome.org/show_bug.cgi?id=785012
This commit is contained in:
Nicola Murino 2017-07-17 10:04:02 +02:00 committed by Tim-Philipp Müller
parent 4bcec1b190
commit ab3b289bf2
1 changed files with 6 additions and 1 deletions
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7
ext/jpeg/gstjpegenc.c
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@ -134,7 +134,8 @@ gst_jpegenc_class_init (GstJpegEncClass * klass)
g_object_class_install_property (gobject_class, PROP_QUALITY,
g_param_spec_int ("quality", "Quality", "Quality of encoding",
0, 100, JPEG_DEFAULT_QUALITY,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_PLAYING));
#ifdef ENABLE_SMOOTHING
/* disabled, since it doesn't seem to work */
@ -474,9 +475,13 @@ gst_jpegenc_handle_frame (GstVideoEncoder * encoder, GstVideoCodecFrame * frame)
#if JPEG_LIB_VERSION >= 70
jpegenc->cinfo.do_fancy_downsampling = FALSE;
#endif
GST_OBJECT_LOCK (jpegenc);
jpegenc->cinfo.smoothing_factor = jpegenc->smoothing;
jpegenc->cinfo.dct_method = jpegenc->idct_method;
jpeg_set_quality (&jpegenc->cinfo, jpegenc->quality, TRUE);
GST_OBJECT_UNLOCK (jpegenc);
jpeg_start_compress (&jpegenc->cinfo, TRUE);
GST_LOG_OBJECT (jpegenc, "compressing");