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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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rpicamsrc: Add quantisation-parameter property, support variable bitrate
Allow birate=0 and implement the quantisation-parameter property Fixes https://github.com/thaytan/gst-rpicamsrc/issues/21
This commit is contained in:
Jan Schmidt
Tim-Philipp Müller
parent
6bd0347bf0
commit
861c353873
1 changed files with 42 additions and 24 deletions
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@ -1,7 +1,7 @@
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/*
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* GStreamer
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* Copyright (C) 2013-2014 Jan Schmidt <jan@centricular.com>
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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@ -116,11 +116,14 @@ enum
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PROP_ROI_Y,
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PROP_ROI_W,
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PROP_ROI_H,
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PROP_QUANTISATION_PARAMETER
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};
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#define BITRATE_DEFAULT 17000000 /* 17Mbit/s default for 1080p */
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#define BITRATE_HIGHEST 25000000
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#define QUANTISATION_DEFAULT 0
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#define SHARPNESS_DEFAULT 0
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#define CONTRAST_DEFAULT 0
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#define BRIGHTNESS_DEFAULT 50
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@ -153,7 +156,7 @@ enum
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"width = " GST_VIDEO_SIZE_RANGE "," \
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"height = " GST_VIDEO_SIZE_RANGE "," \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define H264_CAPS \
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#define H264_CAPS \
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"video/x-h264, " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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@ -185,7 +188,8 @@ static GstCaps *gst_rpi_cam_src_get_caps (GstBaseSrc * src, GstCaps * filter);
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static gboolean gst_rpi_cam_src_set_caps (GstBaseSrc * src, GstCaps * caps);
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static GstCaps *gst_rpi_cam_src_fixate (GstBaseSrc * basesrc, GstCaps * caps);
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static gboolean gst_rpi_cam_src_event (GstBaseSrc * src, GstEvent * event);
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static gboolean gst_rpi_cam_src_send_event (GstElement * element, GstEvent * event);
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static gboolean gst_rpi_cam_src_send_event (GstElement * element,
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GstEvent * event);
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static void
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gst_rpi_cam_src_class_init (GstRpiCamSrcClass * klass)
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@ -204,26 +208,27 @@ gst_rpi_cam_src_class_init (GstRpiCamSrcClass * klass)
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gobject_class->get_property = gst_rpi_cam_src_get_property;
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g_object_class_install_property (gobject_class, PROP_BITRATE,
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g_param_spec_int ("bitrate", "Bitrate", "Bitrate for encoding",
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1, BITRATE_HIGHEST, BITRATE_DEFAULT,
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g_param_spec_int ("bitrate", "Bitrate",
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"Bitrate for encoding. 0 for VBR using quantisation-parameter", 0,
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BITRATE_HIGHEST, BITRATE_DEFAULT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KEYFRAME_INTERVAL,
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g_param_spec_int ("keyframe-interval", "Keyframe Interface",
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"Interval (in frames) between I frames. 0 = single-keyframe",
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0, G_MAXINT, KEYFRAME_INTERVAL_DEFAULT,
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"Interval (in frames) between I frames. 0 = single-keyframe", 0,
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G_MAXINT, KEYFRAME_INTERVAL_DEFAULT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_PREVIEW,
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g_param_spec_boolean ("preview",
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"Preview Window", "Display preview window overlay",
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TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_param_spec_boolean ("preview", "Preview Window",
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"Display preview window overlay", TRUE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_FULLSCREEN,
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g_param_spec_boolean ("fullscreen",
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"Fullscreen Preview", "Display preview window full screen",
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TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_param_spec_boolean ("fullscreen", "Fullscreen Preview",
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"Display preview window full screen", TRUE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_PREVIEW_ENCODED,
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g_param_spec_boolean ("preview-encoded",
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"Preview Encoded", "Display encoder output in the preview",
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TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_param_spec_boolean ("preview-encoded", "Preview Encoded",
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"Display encoder output in the preview", TRUE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PREVIEW_OPACITY,
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g_param_spec_int ("preview-opacity", "Preview Opacity",
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"Opacity to use for the preview window", 0, 255, 255,
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@ -306,6 +311,11 @@ gst_rpi_cam_src_class_init (GstRpiCamSrcClass * klass)
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g_param_spec_float ("roi-h", "ROI H",
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"Normalised region-of-interest H coord", 0, 1.0, 1.0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_QUANTISATION_PARAMETER,
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g_param_spec_int ("quantisation-parameter", "Quantisation Parameter",
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"Set a Quantisation Parameter approx 10-40 with bitrate=0 for VBR encoding. 0 = off",
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0, G_MAXINT, QUANTISATION_DEFAULT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_element_class_set_static_metadata (gstelement_class,
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"Raspberry Pi Camera Source",
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@ -410,7 +420,8 @@ gst_rpi_cam_src_set_property (GObject * object, guint prop_id,
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src->capture_config.camera_parameters.awbMode = g_value_get_enum (value);
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break;
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case PROP_IMAGE_EFFECT:
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src->capture_config.camera_parameters.imageEffect = g_value_get_enum (value);
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src->capture_config.camera_parameters.imageEffect =
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g_value_get_enum (value);
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break;
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case PROP_HFLIP:
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src->capture_config.camera_parameters.hflip = g_value_get_boolean (value);
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@ -430,6 +441,9 @@ gst_rpi_cam_src_set_property (GObject * object, guint prop_id,
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case PROP_ROI_H:
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src->capture_config.camera_parameters.roi.h = g_value_get_float (value);
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break;
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case PROP_QUANTISATION_PARAMETER:
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src->capture_config.quantisationParameter = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -501,7 +515,8 @@ gst_rpi_cam_src_get_property (GObject * object, guint prop_id,
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g_value_set_enum (value, src->capture_config.camera_parameters.awbMode);
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break;
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case PROP_IMAGE_EFFECT:
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g_value_set_enum (value, src->capture_config.camera_parameters.imageEffect);
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g_value_set_enum (value,
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src->capture_config.camera_parameters.imageEffect);
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break;
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case PROP_HFLIP:
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g_value_set_boolean (value,
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@ -523,6 +538,9 @@ gst_rpi_cam_src_get_property (GObject * object, guint prop_id,
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case PROP_ROI_H:
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g_value_set_float (value, src->capture_config.camera_parameters.roi.h);
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break;
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case PROP_QUANTISATION_PARAMETER:
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g_value_set_int (value, src->capture_config.quantisationParameter);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -568,12 +586,12 @@ gst_rpi_cam_src_send_event (GstElement * parent, GstEvent * event)
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}
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gst_event_unref (event);
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} else {
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ret = GST_ELEMENT_CLASS (parent_class)->send_event(parent, event);
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ret = GST_ELEMENT_CLASS (parent_class)->send_event (parent, event);
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}
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break;
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default:
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ret = GST_ELEMENT_CLASS (parent_class)->send_event(parent, event);
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break;
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ret = GST_ELEMENT_CLASS (parent_class)->send_event (parent, event);
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break;
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}
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return ret;
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}
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@ -594,12 +612,12 @@ gst_rpi_cam_src_event (GstBaseSrc * parent, GstEvent * event)
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}
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gst_event_unref (event);
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} else {
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ret = GST_BASE_SRC_CLASS (parent_class)->event(parent, event);
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ret = GST_BASE_SRC_CLASS (parent_class)->event (parent, event);
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}
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break;
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default:
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ret = GST_BASE_SRC_CLASS (parent_class)->event(parent, event);
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break;
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ret = GST_BASE_SRC_CLASS (parent_class)->event (parent, event);
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break;
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}
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return ret;
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}
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