gstreamer/subprojects/gst-plugins-bad/sys/msdk/gstmsdkmjpegenc.c
Yinhang Liu a4fc1c5031 msdkenc: Add documented capabilities to expose "stable" caps
Although msdkenc supports dynamic caps, it still needs to expose
"stable" caps to users.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4177>
2023-04-17 05:24:06 +00:00

267 lines
7.7 KiB
C

/* GStreamer Intel MSDK plugin
* Copyright (c) 2016, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* SECTION: element-msdkmjpegenc
* @title: msdkmjpegenc
* @short_description: Intel MSDK MJPEG encoder
*
* MJPEG video encoder based on Intel MFX
*
* ## Example launch line
* ```
* gst-launch-1.0 videotestsrc num-buffers=1 ! msdkmjpegenc ! jpegparse ! filesink location=output.jpg
* ```
*
* Since: 1.12
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_MFX_MFXDEFS_H
# include <mfx/mfxstructures.h>
# include <mfx/mfxjpeg.h>
#else
# include "mfxstructures.h"
# include "mfxjpeg.h"
#endif
#include "gstmsdkmjpegenc.h"
GST_DEBUG_CATEGORY_EXTERN (gst_msdkmjpegenc_debug);
#define GST_CAT_DEFAULT gst_msdkmjpegenc_debug
#define GST_MSDKMJPEGENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_FROM_INSTANCE (obj), GstMsdkMJPEGEnc))
#define GST_MSDKMJPEGENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_FROM_CLASS (klass), GstMsdkMJPEGEncClass))
#define GST_IS_MSDKMJPEGENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_FROM_INSTANCE (obj)))
#define GST_IS_MSDKMJPEGENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_FROM_CLASS (klass)))
enum
{
PROP_0,
PROP_QUALITY
};
#define DEFAULT_QUALITY 85
/* *INDENT-OFF* */
static const gchar *doc_sink_caps_str =
GST_VIDEO_CAPS_MAKE ("{ NV12, YUY2, BGRA }") " ;"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:DMABuf",
"{ NV12, YUY2, BGRA }") " ;"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:VAMemory", "{ NV12 }") " ;"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:D3D11Memory", "{ NV12 }");
/* *INDENT-ON* */
static const gchar *doc_src_caps_str = "image/jpeg";
static GstElementClass *parent_class = NULL;
static gboolean
gst_msdkmjpegenc_set_format (GstMsdkEnc * encoder)
{
return TRUE;
}
static gboolean
gst_msdkmjpegenc_configure (GstMsdkEnc * encoder)
{
GstMsdkMJPEGEnc *mjpegenc = GST_MSDKMJPEGENC (encoder);
encoder->param.mfx.CodecId = MFX_CODEC_JPEG;
encoder->param.mfx.Quality = mjpegenc->quality;
encoder->param.mfx.Interleaved = 1;
encoder->param.mfx.RestartInterval = 0;
encoder->param.mfx.BufferSizeInKB = 3072;
return TRUE;
}
static GstCaps *
gst_msdkmjpegenc_set_src_caps (GstMsdkEnc * encoder)
{
GstCaps *caps;
caps = gst_caps_from_string ("image/jpeg");
return caps;
}
static void
gst_msdkmjpegenc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
GST_OBJECT_LOCK (thiz);
switch (prop_id) {
case PROP_QUALITY:
g_value_set_uint (value, thiz->quality);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (thiz);
}
static void
gst_msdkmjpegenc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (object);
GST_OBJECT_LOCK (thiz);
switch (prop_id) {
case PROP_QUALITY:
thiz->quality = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (thiz);
}
static gboolean
gst_msdkmjpegenc_need_conversion (GstMsdkEnc * encoder, GstVideoInfo * info,
GstVideoFormat * out_format)
{
switch (GST_VIDEO_INFO_FORMAT (info)) {
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_BGRA:
return FALSE;
case GST_VIDEO_FORMAT_UYVY:
*out_format = GST_VIDEO_FORMAT_YUY2;
return TRUE;
default:
*out_format = GST_VIDEO_FORMAT_NV12;
return TRUE;
}
}
static void
gst_msdkmjpegenc_class_init (gpointer klass, gpointer data)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstMsdkEncClass *encoder_class;
MsdkEncCData *cdata = data;
parent_class = g_type_class_peek_parent (klass);
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
encoder_class = GST_MSDKENC_CLASS (klass);
encoder_class->set_format = gst_msdkmjpegenc_set_format;
encoder_class->configure = gst_msdkmjpegenc_configure;
encoder_class->set_src_caps = gst_msdkmjpegenc_set_src_caps;
encoder_class->need_conversion = gst_msdkmjpegenc_need_conversion;
gobject_class->get_property = gst_msdkmjpegenc_get_property;
gobject_class->set_property = gst_msdkmjpegenc_set_property;
g_object_class_install_property (gobject_class, PROP_QUALITY,
g_param_spec_uint ("quality", "Quality", "Quality of encoding",
0, 100, DEFAULT_QUALITY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (element_class,
"Intel MSDK MJPEG encoder",
"Codec/Encoder/Video/Hardware",
"MJPEG video encoder based on " MFX_API_SDK,
"Scott D Phillips <scott.d.phillips@intel.com>");
gst_msdkcaps_pad_template_init (element_class,
cdata->sink_caps, cdata->src_caps, doc_sink_caps_str, doc_src_caps_str);
gst_caps_unref (cdata->sink_caps);
gst_caps_unref (cdata->src_caps);
g_free (cdata);
}
static void
gst_msdkmjpegenc_init (GTypeInstance * instance, gpointer g_class)
{
GstMsdkMJPEGEnc *thiz = GST_MSDKMJPEGENC (instance);
thiz->quality = DEFAULT_QUALITY;
}
gboolean
gst_msdkmjpegenc_register (GstPlugin * plugin,
GstMsdkContext * context, GstCaps * sink_caps,
GstCaps * src_caps, guint rank)
{
GType type;
MsdkEncCData *cdata;
gchar *type_name, *feature_name;
gboolean ret = FALSE;
GTypeInfo type_info = {
.class_size = sizeof (GstMsdkMJPEGEncClass),
.class_init = gst_msdkmjpegenc_class_init,
.instance_size = sizeof (GstMsdkMJPEGEnc),
.instance_init = gst_msdkmjpegenc_init
};
cdata = g_new (MsdkEncCData, 1);
cdata->sink_caps = gst_caps_ref (sink_caps);
cdata->src_caps = gst_caps_ref (src_caps);
GST_MINI_OBJECT_FLAG_SET (cdata->sink_caps,
GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
GST_MINI_OBJECT_FLAG_SET (cdata->src_caps,
GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
type_info.class_data = cdata;
type_name = g_strdup ("GstMsdkMJPEGEnc");
feature_name = g_strdup ("msdkmjpegenc");
type = g_type_register_static (GST_TYPE_MSDKENC, type_name, &type_info, 0);
if (type)
ret = gst_element_register (plugin, feature_name, rank, type);
g_free (type_name);
g_free (feature_name);
return ret;
}