gstreamer/gst-libs/gst/codecparsers/gstvaapilibvpx.c
Gwenole Beauchesne b36eade7f3 vp8: use range decoder from libvpx.
Add libvpx submodule that tracks the upstream version 1.3.0. This is
needed to build a libgstcodecparsers_vpx.so library with all symbols
placed into the GSTREAMER namespace.
2014-04-18 20:37:25 +02:00

104 lines
2.7 KiB
C

/*
* gstvaapilibvpx.c - libvpx wrapper for gstreamer-vaapi
*
* Copyright (C) 2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gstvp8rangedecoder.h"
#include "vp8utils.h"
#include "gstlibvpx.h"
#define BOOL_DECODER_CAST(rd) \
((vp8_bool_decoder *)(&(rd)->_gst_reserved[0]))
#define BOOL_DECODER_STATE_CAST(s) \
((vp8_bool_decoder_state *)(s))
gboolean
gst_vp8_range_decoder_init (GstVp8RangeDecoder * rd, const guchar * buf,
guint buf_size)
{
vp8_bool_decoder *const bd = BOOL_DECODER_CAST (rd);
g_return_val_if_fail (sizeof (rd->_gst_reserved) >= sizeof (*bd), FALSE);
rd->buf = buf;
rd->buf_size = buf_size;
return vp8_bool_decoder_init (bd, buf, buf_size);
}
gint
gst_vp8_range_decoder_read (GstVp8RangeDecoder * rd, guint8 prob)
{
return vp8_bool_decoder_read (BOOL_DECODER_CAST (rd), prob);
}
gint
gst_vp8_range_decoder_read_literal (GstVp8RangeDecoder * rd, gint bits)
{
return vp8_bool_decoder_read_literal (BOOL_DECODER_CAST (rd), bits);
}
guint
gst_vp8_range_decoder_get_pos (GstVp8RangeDecoder * rd)
{
return vp8_bool_decoder_get_pos (BOOL_DECODER_CAST (rd));
}
void
gst_vp8_range_decoder_get_state (GstVp8RangeDecoder * rd,
GstVp8RangeDecoderState * state)
{
vp8_bool_decoder_get_state (BOOL_DECODER_CAST (rd),
BOOL_DECODER_STATE_CAST (state));
}
void
gst_vp8_token_update_probs_init (GstVp8TokenProbs * probs)
{
vp8_init_token_update_probs (probs->prob);
}
void
gst_vp8_token_probs_init_defaults (GstVp8TokenProbs * probs)
{
vp8_init_default_token_probs (probs->prob);
}
void
gst_vp8_mv_update_probs_init (GstVp8MvProbs * probs)
{
vp8_init_mv_update_probs (probs->prob);
}
void
gst_vp8_mv_probs_init_defaults (GstVp8MvProbs * probs)
{
vp8_init_default_mv_probs (probs->prob);
}
void
gst_vp8_mode_probs_init_defaults (GstVp8ModeProbs * probs, gboolean key_frame)
{
if (key_frame) {
vp8_init_default_intra_mode_probs (probs->y_prob, probs->uv_prob);
} else {
vp8_init_default_inter_mode_probs (probs->y_prob, probs->uv_prob);
}
}