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206 lines
5.8 KiB
C
206 lines
5.8 KiB
C
/* GStreamer Intel MSDK plugin
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* Copyright (c) 2016, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* SECTION: element-msdkmjpegenc
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* @title: msdkmjpegenc
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* @short_description: Intel MSDK MJPEG encoder
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*
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* MJPEG video encoder based on Intel MFX
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*
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* ## Example launch line
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* ```
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* gst-launch-1.0 videotestsrc num-buffers=1 ! msdkmjpegenc ! jpegparse ! filesink location=output.jpg
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* ```
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*
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* Since: 1.12
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_MFX_MFXDEFS_H
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# include <mfx/mfxstructures.h>
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# include <mfx/mfxjpeg.h>
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#else
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# include "mfxstructures.h"
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# include "mfxjpeg.h"
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#endif
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#include "gstmsdkmjpegenc.h"
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GST_DEBUG_CATEGORY_EXTERN (gst_msdkmjpegenc_debug);
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#define GST_CAT_DEFAULT gst_msdkmjpegenc_debug
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enum
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{
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PROP_0,
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PROP_QUALITY
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};
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#define DEFAULT_QUALITY 85
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("image/jpeg, "
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"framerate = (fraction) [0/1, MAX], "
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"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ]")
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);
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#define gst_msdkmjpegenc_parent_class parent_class
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G_DEFINE_TYPE (GstMsdkMJPEGEnc, gst_msdkmjpegenc, GST_TYPE_MSDKENC);
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static gboolean
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gst_msdkmjpegenc_set_format (GstMsdkEnc * encoder)
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{
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return TRUE;
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}
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static gboolean
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gst_msdkmjpegenc_configure (GstMsdkEnc * encoder)
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{
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GstMsdkMJPEGEnc *mjpegenc = GST_MSDKMJPEGENC (encoder);
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encoder->param.mfx.CodecId = MFX_CODEC_JPEG;
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encoder->param.mfx.Quality = mjpegenc->quality;
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encoder->param.mfx.Interleaved = 1;
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encoder->param.mfx.RestartInterval = 0;
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encoder->param.mfx.BufferSizeInKB = 3072;
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return TRUE;
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}
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static GstCaps *
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gst_msdkmjpegenc_set_src_caps (GstMsdkEnc * encoder)
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{
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GstCaps *caps;
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caps = gst_caps_from_string ("image/jpeg");
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return caps;
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}
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static void
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gst_msdkmjpegenc_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
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GST_OBJECT_LOCK (thiz);
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switch (prop_id) {
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case PROP_QUALITY:
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g_value_set_uint (value, thiz->quality);
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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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}
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GST_OBJECT_UNLOCK (thiz);
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}
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static void
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gst_msdkmjpegenc_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
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GST_OBJECT_LOCK (thiz);
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switch (prop_id) {
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case PROP_QUALITY:
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thiz->quality = g_value_get_uint (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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}
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GST_OBJECT_UNLOCK (thiz);
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}
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static gboolean
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gst_msdkmjpegenc_need_conversion (GstMsdkEnc * encoder, GstVideoInfo * info,
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GstVideoFormat * out_format)
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{
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switch (GST_VIDEO_INFO_FORMAT (info)) {
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case GST_VIDEO_FORMAT_NV12:
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_BGRA:
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return FALSE;
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case GST_VIDEO_FORMAT_UYVY:
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*out_format = GST_VIDEO_FORMAT_YUY2;
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return TRUE;
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default:
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*out_format = GST_VIDEO_FORMAT_NV12;
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return TRUE;
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}
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}
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static void
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gst_msdkmjpegenc_class_init (GstMsdkMJPEGEncClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *element_class;
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GstMsdkEncClass *encoder_class;
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gobject_class = G_OBJECT_CLASS (klass);
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element_class = GST_ELEMENT_CLASS (klass);
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encoder_class = GST_MSDKENC_CLASS (klass);
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encoder_class->set_format = gst_msdkmjpegenc_set_format;
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encoder_class->configure = gst_msdkmjpegenc_configure;
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encoder_class->set_src_caps = gst_msdkmjpegenc_set_src_caps;
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encoder_class->need_conversion = gst_msdkmjpegenc_need_conversion;
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gobject_class->get_property = gst_msdkmjpegenc_get_property;
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gobject_class->set_property = gst_msdkmjpegenc_set_property;
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g_object_class_install_property (gobject_class, PROP_QUALITY,
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g_param_spec_uint ("quality", "Quality", "Quality of encoding",
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0, 100, DEFAULT_QUALITY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_element_class_set_static_metadata (element_class,
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"Intel MSDK MJPEG encoder",
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"Codec/Encoder/Video/Hardware",
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"MJPEG video encoder based on " MFX_API_SDK,
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"Scott D Phillips <scott.d.phillips@intel.com>");
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gst_element_class_add_static_pad_template (element_class, &src_factory);
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}
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static void
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gst_msdkmjpegenc_init (GstMsdkMJPEGEnc * thiz)
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{
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thiz->quality = DEFAULT_QUALITY;
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}
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