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decoder: add new "decoder-frame" object.
Introduce a new GstVaapiDecoderFrame that is just a list of decoder units (GstVaapiDecoderUnit objects) that constitute a frame. This object is just an extension to GstVideoCodecFrame for VA decoder purposes. It is available as the user-data member element. This is a libgstvaapi internal object.
This commit is contained in:
Gwenole Beauchesne
parent
49dbb9af50
commit
f5e6444b78
3 changed files with 177 additions and 0 deletions
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@ -45,6 +45,7 @@ libgstvaapi_source_c = \
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gstvaapicontext.c \
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gstvaapidecoder.c \
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gstvaapidecoder_dpb.c \
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gstvaapidecoder_frame.c \
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gstvaapidecoder_h264.c \
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gstvaapidecoder_mpeg2.c \
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gstvaapidecoder_mpeg4.c \
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@ -104,6 +105,7 @@ libgstvaapi_source_priv_h = \
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gstvaapicompat.h \
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gstvaapidebug.h \
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gstvaapidecoder_dpb.h \
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gstvaapidecoder_frame.h \
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gstvaapidecoder_objects.h \
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gstvaapidecoder_priv.h \
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gstvaapidecoder_unit.h \
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81
gst-libs/gst/vaapi/gstvaapidecoder_frame.c
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81
gst-libs/gst/vaapi/gstvaapidecoder_frame.c
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@ -0,0 +1,81 @@
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/*
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* gstvaapidecoder_frame.c - VA decoder frame
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*
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* Copyright (C) 2012 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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/**
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* SECTION:gstvaapidecoder_frame
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* @short_description: VA decoder frame
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*/
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#include "sysdeps.h"
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#include "gstvaapidecoder_frame.h"
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static inline const GstVaapiMiniObjectClass *
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gst_vaapi_decoder_frame_class(void)
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{
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static const GstVaapiMiniObjectClass GstVaapiDecoderFrameClass = {
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sizeof(GstVaapiDecoderFrame),
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(GDestroyNotify)gst_vaapi_decoder_frame_free
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};
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return &GstVaapiDecoderFrameClass;
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}
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/**
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* gst_vaapi_decoder_frame_new:
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*
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* Creates a new #GstVaapiDecoderFrame object.
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*
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* Returns: The newly allocated #GstVaapiDecoderFrame
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*/
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GstVaapiDecoderFrame *
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gst_vaapi_decoder_frame_new(void)
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{
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GstVaapiDecoderFrame *frame;
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frame = (GstVaapiDecoderFrame *)
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gst_vaapi_mini_object_new(gst_vaapi_decoder_frame_class());
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if (!frame)
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return NULL;
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frame->output_offset = 0;
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frame->units = NULL;
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frame->prev_slice = NULL;
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return frame;
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}
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/**
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* gst_vaapi_decoder_frame_free:
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* @frame: a #GstVaapiDecoderFrame
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*
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* Deallocates any internal resources bound to the supplied decoder
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* @frame.
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*
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* @note This is an internal function used to implement lightweight
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* sub-classes.
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*/
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void
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gst_vaapi_decoder_frame_free(GstVaapiDecoderFrame *frame)
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{
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if (frame->units) {
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g_slist_free_full(frame->units,
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(GDestroyNotify)gst_vaapi_mini_object_unref);
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frame->units = NULL;
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}
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}
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94
gst-libs/gst/vaapi/gstvaapidecoder_frame.h
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94
gst-libs/gst/vaapi/gstvaapidecoder_frame.h
Normal file
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@ -0,0 +1,94 @@
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/*
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* gstvaapidecoder_frame.h - VA decoder frame
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*
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* Copyright (C) 2012 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_DECODER_FRAME_H
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#define GST_VAAPI_DECODER_FRAME_H
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#include <gst/vaapi/gstvaapiminiobject.h>
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#include <gst/vaapi/gstvaapidecoder_unit.h>
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G_BEGIN_DECLS
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typedef struct _GstVaapiDecoderFrame GstVaapiDecoderFrame;
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#define GST_VAAPI_DECODER_FRAME(frame) \
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((GstVaapiDecoderFrame *)(frame))
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#define GST_VAAPI_IS_DECODER_FRAME(frame) \
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(GST_VAAPI_DECODER_FRAME(frame) != NULL)
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/**
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* GstVaapiDecoderFrameFlags:
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*
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* Flags for #GstVaapiDecoderFrame.
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*/
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typedef enum {
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GST_VAAPI_DECODER_FRAME_FLAG_LAST = (1 << 0)
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} GstVaapiDecoderFrameFlags;
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#define GST_VAAPI_DECODER_FRAME_FLAGS GST_VAAPI_MINI_OBJECT_FLAGS
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#define GST_VAAPI_DECODER_FRAME_FLAG_IS_SET GST_VAAPI_MINI_OBJECT_FLAG_IS_SET
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#define GST_VAAPI_DECODER_FRAME_FLAG_SET GST_VAAPI_MINI_OBJECT_FLAG_SET
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#define GST_VAAPI_DECODER_FRAME_FLAG_UNSET GST_VAAPI_MINI_OBJECT_FLAG_UNSET
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/**
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* GstVaapiDecoderFrame:
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* @output_offset: current offset to the reconstructed #GstBuffer for
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* this #GstVideoCodecFrame. This is used to initialize the decoder
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* unit offset
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* @units: list of #GstVaapiDecoderUnit objects
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* @prev_slice: previous #GstVaapiDecoderUnit that was a slice, or NULL
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* if no slice data unit was received yet
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*
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* An extension to #GstVideoCodecFrame with #GstVaapiDecoder specific
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* information. Decoder frames are usually attached to codec frames as
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* the user_data anchor point.
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*/
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struct _GstVaapiDecoderFrame {
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/*< private >*/
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GstVaapiMiniObject parent_instance;
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guint output_offset;
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GSList *units;
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GstVaapiDecoderUnit *prev_slice;
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};
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G_GNUC_INTERNAL
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GstVaapiDecoderFrame *
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gst_vaapi_decoder_frame_new(void);
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G_GNUC_INTERNAL
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void
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gst_vaapi_decoder_frame_free(GstVaapiDecoderFrame *frame);
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#define gst_vaapi_decoder_frame_ref(frame) \
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gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(frame))
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#define gst_vaapi_decoder_frame_unref(frame) \
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gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(frame))
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#define gst_vaapi_decoder_frame_replace(old_frame_p, new_frame) \
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gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_frame_p), \
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(GstVaapiMiniObject *)(new_frame))
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G_END_DECLS
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#endif /* GST_VAAPI_DECODER_FRAME_H */
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