mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
2c449e42ca
Allocate decoder unit earlier in the main parse() function and don't delegate this task to derived classes. The ultimate purpose is to get rid of dynamic allocation of decoder units.
149 lines
4 KiB
C
149 lines
4 KiB
C
/*
|
|
* gstvaapidecoder_unit.c - VA decoder units
|
|
*
|
|
* Copyright (C) 2012 Intel Corporation
|
|
*
|
|
* 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:gstvaapidecoder_unit
|
|
* @short_description: Decoder unit
|
|
*/
|
|
|
|
#include "sysdeps.h"
|
|
#include "gstvaapidecoder_unit.h"
|
|
|
|
static inline const GstVaapiMiniObjectClass *
|
|
gst_vaapi_decoder_unit_class(void)
|
|
{
|
|
static const GstVaapiMiniObjectClass GstVaapiDecoderUnitClass = {
|
|
sizeof(GstVaapiDecoderUnit),
|
|
(GDestroyNotify)gst_vaapi_decoder_unit_clear
|
|
};
|
|
return &GstVaapiDecoderUnitClass;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_decoder_unit_init:
|
|
* @unit: a #GstVaapiDecoderUnit
|
|
*
|
|
* Initializes internal resources bound to the supplied decoder @unit.
|
|
*
|
|
* @note This is an internal function used to implement lightweight
|
|
* sub-classes.
|
|
*/
|
|
static inline void
|
|
decoder_unit_init(GstVaapiDecoderUnit *unit)
|
|
{
|
|
unit->size = 0;
|
|
unit->offset = 0;
|
|
unit->buffer = NULL;
|
|
|
|
unit->parsed_info = NULL;
|
|
unit->parsed_info_destroy_notify = NULL;
|
|
}
|
|
|
|
void
|
|
gst_vaapi_decoder_unit_init(GstVaapiDecoderUnit *unit)
|
|
{
|
|
decoder_unit_init(unit);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_decoder_unit_clear:
|
|
* @unit: a #GstVaapiDecoderUnit
|
|
*
|
|
* Deallocates any internal resources bound to the supplied decoder
|
|
* @unit.
|
|
*
|
|
* @note This is an internal function used to implement lightweight
|
|
* sub-classes.
|
|
*/
|
|
static inline void
|
|
decoder_unit_clear(GstVaapiDecoderUnit *unit)
|
|
{
|
|
gst_buffer_replace(&unit->buffer, NULL);
|
|
gst_vaapi_decoder_unit_set_parsed_info(unit, NULL, NULL);
|
|
}
|
|
|
|
void
|
|
gst_vaapi_decoder_unit_clear(GstVaapiDecoderUnit *unit)
|
|
{
|
|
decoder_unit_clear(unit);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_decoder_unit_new:
|
|
* @size: size in bytes of this bitstream data chunk
|
|
*
|
|
* Creates a new #GstVaapiDecoderUnit object.
|
|
*
|
|
* Returns: The newly allocated #GstVaapiDecoderUnit
|
|
*/
|
|
GstVaapiDecoderUnit *
|
|
gst_vaapi_decoder_unit_new(void)
|
|
{
|
|
GstVaapiDecoderUnit *unit;
|
|
|
|
unit = (GstVaapiDecoderUnit *)
|
|
gst_vaapi_mini_object_new(gst_vaapi_decoder_unit_class());
|
|
if (!unit)
|
|
return NULL;
|
|
|
|
decoder_unit_init(unit);
|
|
return unit;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_decoder_unit_set_buffer:
|
|
* @unit: a #GstVaapiDecoderUnit
|
|
* @buffer: the new #GstBuffer to set
|
|
*
|
|
* Sets new buffer to the supplied decoder unit. The @unit holds an
|
|
* extra reference to the @buffer if it is not NULL.
|
|
*/
|
|
void
|
|
gst_vaapi_decoder_unit_set_buffer(GstVaapiDecoderUnit *unit, GstBuffer *buffer)
|
|
{
|
|
g_return_if_fail(GST_VAAPI_IS_DECODER_UNIT(unit));
|
|
|
|
gst_buffer_replace(&unit->buffer, buffer);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_decoder_unit_set_parsed_info:
|
|
* @unit: a #GstVaapiDecoderUnit
|
|
* @parsed_info: parser info
|
|
* @destroy_notify: (closure parsed_info): a #GDestroyNotify
|
|
*
|
|
* Sets @parsed_info on the object and the #GDestroyNotify that will be
|
|
* called when the data is freed.
|
|
*
|
|
* If some @parsed_info was previously set, then the former @destroy_notify
|
|
* function will be called before the @parsed_info is replaced.
|
|
*/
|
|
void
|
|
gst_vaapi_decoder_unit_set_parsed_info(GstVaapiDecoderUnit *unit,
|
|
gpointer parsed_info, GDestroyNotify destroy_notify)
|
|
{
|
|
g_return_if_fail(GST_VAAPI_IS_DECODER_UNIT(unit));
|
|
|
|
if (unit->parsed_info && unit->parsed_info_destroy_notify)
|
|
unit->parsed_info_destroy_notify(unit->parsed_info);
|
|
unit->parsed_info = parsed_info;
|
|
unit->parsed_info_destroy_notify = destroy_notify;
|
|
}
|