gstreamer/gst/vaapi/gstvaapidecodebin.c
Víctor Manuel Jáquez Leal 55daedf514 vaapidecode: split all the codecs
Split the vaapidecode to all the supported codecs with the format
vaapi{codec}dec.

vaapidecode is stil registered as a GObject type, but not as a
GStreamer feature, so it can be used internally by vaapidecodebin without
changing its code too much.

https://bugzilla.gnome.org/show_bug.cgi?id=734093
2016-07-22 17:23:23 +02:00

357 lines
11 KiB
C

/*
* gstvaapidecodebin.c
*
* Copyright (C) 2015 Intel Corporation
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
* Author: Victor Jaquez <victorx.jaquez@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:element-vaapidecodebin
* @short_description: A VA-API based video decoder with a
* post-processor
*
* vaapidecodebin is similar #GstVaapiDecode, but it is composed by
* the vaapidecode, a #GstQueue, and the #GstVaapiPostproc, if it is
* available and functional in the setup.
*
* It offers the functionality of #GstVaapiDecode and the many options
* of #GstVaapiPostproc.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch-1.0 filesrc location=~/big_buck_bunny.mov ! qtdemux ! h264parse ! vaapidecodebin ! vaapisink
* ]|
* </refsect2>
*/
#include "gstcompat.h"
#include <stdio.h>
#include <string.h>
#include <gst/gst.h>
#include <gst/pbutils/pbutils.h>
#include "gstvaapipluginutil.h"
#include "gstvaapidecodebin.h"
#include "gstvaapivideocontext.h"
#include "gstvaapipluginbase.h"
#define GST_PLUGIN_NAME "vaapidecodebin"
#define GST_PLUGIN_DESC "A VA-API based bin with a decoder and a postprocessor"
GST_DEBUG_CATEGORY_STATIC (gst_debug_vaapi_decode_bin);
#define GST_CAT_DEFAULT gst_debug_vaapi_decode_bin
#define DEFAULT_QUEUE_MAX_SIZE_BUFFERS 0
#define DEFAULT_QUEUE_MAX_SIZE_BYTES 0
#define DEFAULT_QUEUE_MAX_SIZE_TIME 0
#define DEFAULT_DEINTERLACE_METHOD GST_VAAPI_DEINTERLACE_METHOD_BOB
enum
{
PROP_0,
PROP_MAX_SIZE_BUFFERS,
PROP_MAX_SIZE_BYTES,
PROP_MAX_SIZE_TIME,
PROP_DEINTERLACE_METHOD,
PROP_DISABLE_VPP,
PROP_LAST
};
enum
{
HAS_VPP_UNKNOWN,
HAS_VPP_NO,
HAS_VPP_YES
};
static GParamSpec *properties[PROP_LAST];
/* Default templates */
#define GST_CAPS_CODEC(CODEC) CODEC "; "
/* *INDENT-OFF* */
static const char gst_vaapi_decode_bin_sink_caps_str[] =
GST_CAPS_CODEC("video/mpeg, mpegversion=2, systemstream=(boolean)false")
GST_CAPS_CODEC("video/mpeg, mpegversion=4")
GST_CAPS_CODEC("video/x-divx")
GST_CAPS_CODEC("video/x-xvid")
GST_CAPS_CODEC("video/x-h263")
GST_CAPS_CODEC("video/x-h264")
#if USE_HEVC_DECODER
GST_CAPS_CODEC("video/x-h265")
#endif
GST_CAPS_CODEC("video/x-wmv")
#if USE_VP8_DECODER
GST_CAPS_CODEC("video/x-vp8")
#endif
#if USE_VP9_DECODER
GST_CAPS_CODEC("video/x-vp9")
#endif
;
/* *INDENT-ON* */
/* *INDENT-OFF* */
static const char gst_vaapi_decode_bin_src_caps_str[] =
GST_VAAPI_MAKE_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_FALSE "; "
#if (USE_GLX || USE_EGL)
GST_VAAPI_MAKE_GLTEXUPLOAD_CAPS ", "
GST_CAPS_INTERLACED_FALSE "; "
#endif
GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", "
GST_CAPS_INTERLACED_FALSE;
/* *INDENT-ON* */
static GstStaticPadTemplate gst_vaapi_decode_bin_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (gst_vaapi_decode_bin_sink_caps_str));
static GstStaticPadTemplate gst_vaapi_decode_bin_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (gst_vaapi_decode_bin_src_caps_str));
G_DEFINE_TYPE (GstVaapiDecodeBin, gst_vaapi_decode_bin, GST_TYPE_BIN);
static void
post_missing_element_message (GstVaapiDecodeBin * vaapidecbin,
const gchar * missing_factory)
{
GstMessage *msg;
msg = gst_missing_element_message_new (GST_ELEMENT_CAST (vaapidecbin),
missing_factory);
gst_element_post_message (GST_ELEMENT_CAST (vaapidecbin), msg);
GST_ELEMENT_WARNING (vaapidecbin, CORE, MISSING_PLUGIN,
("Missing element '%s' - check your GStreamer installation.",
missing_factory), ("video decoding might fail"));
}
static void
gst_vaapi_decode_bin_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstVaapiDecodeBin *vaapidecbin = GST_VAAPI_DECODE_BIN (object);
switch (prop_id) {
case PROP_MAX_SIZE_BYTES:
vaapidecbin->max_size_bytes = g_value_get_uint (value);
g_object_set (G_OBJECT (vaapidecbin->queue), "max-size-bytes",
vaapidecbin->max_size_bytes, NULL);
break;
case PROP_MAX_SIZE_BUFFERS:
vaapidecbin->max_size_buffers = g_value_get_uint (value);
g_object_set (G_OBJECT (vaapidecbin->queue), "max-size-buffers",
vaapidecbin->max_size_buffers, NULL);
break;
case PROP_MAX_SIZE_TIME:
vaapidecbin->max_size_time = g_value_get_uint64 (value);
g_object_set (G_OBJECT (vaapidecbin->queue), "max-size-time",
vaapidecbin->max_size_time, NULL);
break;
case PROP_DEINTERLACE_METHOD:
vaapidecbin->deinterlace_method = g_value_get_enum (value);
if (vaapidecbin->postproc)
g_object_set (G_OBJECT (vaapidecbin->postproc), "deinterlace-method",
vaapidecbin->deinterlace_method, NULL);
break;
case PROP_DISABLE_VPP:
{
gboolean disable_vpp;
disable_vpp = g_value_get_boolean (value);
if (!disable_vpp && !vaapidecbin->has_vpp)
GST_WARNING_OBJECT (vaapidecbin,
"Cannot enable VPP since the VA driver does not support it");
else
vaapidecbin->disable_vpp = disable_vpp;
/* @TODO: Add run-time disabling support */
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_decode_bin_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstVaapiDecodeBin *vaapidecbin = GST_VAAPI_DECODE_BIN (object);
switch (prop_id) {
case PROP_MAX_SIZE_BYTES:
g_value_set_uint (value, vaapidecbin->max_size_bytes);
break;
case PROP_MAX_SIZE_BUFFERS:
g_value_set_uint (value, vaapidecbin->max_size_buffers);
break;
case PROP_MAX_SIZE_TIME:
g_value_set_uint64 (value, vaapidecbin->max_size_time);
break;
case PROP_DEINTERLACE_METHOD:
g_value_set_enum (value, vaapidecbin->deinterlace_method);
break;
case PROP_DISABLE_VPP:
g_value_set_boolean (value, vaapidecbin->disable_vpp);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_decode_bin_class_init (GstVaapiDecodeBinClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_vaapi_decode_bin_set_property;
gobject_class->get_property = gst_vaapi_decode_bin_get_property;
gst_element_class_set_static_metadata (element_class,
"VA-API Decode Bin",
"Codec/Decoder/Video",
GST_PLUGIN_DESC,
"Sreerenj Balachandran <sreerenj.balachandran@intel.com>, "
"Victor Jaquez <victorx.jaquez@intel.com>");
properties[PROP_MAX_SIZE_BYTES] = g_param_spec_uint ("max-size-bytes",
"Max. size (kB)", "Max. amount of data in the queue (bytes, 0=disable)",
0, G_MAXUINT, DEFAULT_QUEUE_MAX_SIZE_BYTES,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
properties[PROP_MAX_SIZE_BUFFERS] = g_param_spec_uint ("max-size-buffers",
"Max. size (buffers)", "Max. number of buffers in the queue (0=disable)",
0, G_MAXUINT, DEFAULT_QUEUE_MAX_SIZE_BUFFERS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
properties[PROP_MAX_SIZE_TIME] = g_param_spec_uint64 ("max-size-time",
"Max. size (ns)", "Max. amount of data in the queue (in ns, 0=disable)",
0, G_MAXUINT64, DEFAULT_QUEUE_MAX_SIZE_TIME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
properties[PROP_DEINTERLACE_METHOD] = g_param_spec_enum ("deinterlace-method",
"Deinterlace method", "Deinterlace method to use",
GST_VAAPI_TYPE_DEINTERLACE_METHOD, DEFAULT_DEINTERLACE_METHOD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
properties[PROP_DISABLE_VPP] = g_param_spec_boolean ("disable-vpp",
"Disable VPP",
"Disable Video Post Processing (No support for run time disabling)",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, PROP_LAST, properties);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_vaapi_decode_bin_sink_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_vaapi_decode_bin_src_factory));
GST_DEBUG_CATEGORY_INIT (gst_debug_vaapi_decode_bin,
GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
}
static gboolean
gst_vaapi_decode_bin_configure (GstVaapiDecodeBin * vaapidecbin)
{
const gchar *missing_factory = NULL;
GstPad *pad, *ghostpad;
/* create the decoder */
vaapidecbin->decoder =
g_object_new (g_type_from_name ("GstVaapiDecode"), NULL);
/* create the queue */
vaapidecbin->queue = gst_element_factory_make ("queue", NULL);
if (!vaapidecbin->queue) {
missing_factory = "queue";
goto error_element_missing;
}
g_object_set (G_OBJECT (vaapidecbin->queue),
"max-size-bytes", vaapidecbin->max_size_bytes,
"max-size-buffers", vaapidecbin->max_size_buffers,
"max-size-time", vaapidecbin->max_size_time, NULL);
/* create the postproc */
vaapidecbin->postproc = gst_element_factory_make ("vaapipostproc", NULL);
if (!vaapidecbin->postproc) {
missing_factory = "vaapipostproc";
goto error_element_missing;
}
gst_bin_add_many (GST_BIN (vaapidecbin), vaapidecbin->decoder,
vaapidecbin->queue, vaapidecbin->postproc, NULL);
if (!gst_element_link_many (vaapidecbin->decoder, vaapidecbin->queue,
vaapidecbin->postproc, NULL))
goto error_link_pad;
/* create ghost pad sink */
pad = gst_element_get_static_pad (GST_ELEMENT (vaapidecbin->decoder), "sink");
ghostpad = gst_ghost_pad_new_from_template ("sink", pad,
GST_PAD_PAD_TEMPLATE (pad));
gst_object_unref (pad);
if (!gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghostpad))
goto error_adding_pad;
/* create ghost pad src */
pad = gst_element_get_static_pad (GST_ELEMENT (vaapidecbin->postproc), "src");
ghostpad = gst_ghost_pad_new_from_template ("src", pad,
GST_PAD_PAD_TEMPLATE (pad));
gst_object_unref (pad);
if (!gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghostpad))
goto error_adding_pad;
return TRUE;
error_element_missing:
{
post_missing_element_message (vaapidecbin, missing_factory);
return FALSE;
}
error_link_pad:
{
GST_ELEMENT_ERROR (vaapidecbin, CORE, PAD, (NULL),
("Failed to configure the vaapidecodebin."));
return FALSE;
}
error_adding_pad:
{
GST_ELEMENT_ERROR (vaapidecbin, CORE, PAD, (NULL),
("Failed to adding pads."));
return FALSE;
}
}
static void
gst_vaapi_decode_bin_init (GstVaapiDecodeBin * vaapidecbin)
{
vaapidecbin->has_vpp = HAS_VPP_UNKNOWN;
vaapidecbin->deinterlace_method = DEFAULT_DEINTERLACE_METHOD;
gst_vaapi_decode_bin_configure (vaapidecbin);
}