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/*
* Copyright (C) 2000-2004 the xine project
* Copyright (C) 2004 the Unichrome project
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* xvmc_vld.c, X11 decoding accelerated video extension interface for xine
*
* Author: Thomas Hellström, (2004)
*/
#include "xxmc.h"
#include <unistd.h>
#ifdef HAVE_VLDXVMC
void xvmc_vld_frame(struct vo_frame_s *this_gen)
{
vo_frame_t *this = (vo_frame_t *) this_gen;
xxmc_frame_t
*cf = (xxmc_frame_t *) this;
xine_vld_frame_t
*vft = &(cf->xxmc_data.vld_frame);
xxmc_frame_t
*ff = (xxmc_frame_t *) vft->forward_reference_frame,
*bf = (xxmc_frame_t *) vft->backward_reference_frame;
XvMCMpegControl ctl;
xxmc_driver_t
*driver = (xxmc_driver_t *) cf->vo_frame.driver;
XvMCSurface *fs=0, *bs=0;
XvMCQMatrix qmx;
ctl.BHMV_range = vft->mv_ranges[0][0];
ctl.BVMV_range = vft->mv_ranges[0][1];
ctl.FHMV_range = vft->mv_ranges[1][0];
ctl.FVMV_range = vft->mv_ranges[1][1];
ctl.picture_structure = vft->picture_structure;
ctl.intra_dc_precision = vft->intra_dc_precision;
ctl.picture_coding_type = vft->picture_coding_type;
ctl.mpeg_coding = (vft->mpeg_coding == 0) ? XVMC_MPEG_1 : XVMC_MPEG_2;
ctl.flags = 0;
ctl.flags |= (vft->progressive_sequence) ?
XVMC_PROGRESSIVE_SEQUENCE : 0 ;
ctl.flags |= (vft->scan) ?
XVMC_ALTERNATE_SCAN : XVMC_ZIG_ZAG_SCAN;
ctl.flags |= (vft->pred_dct_frame) ?
XVMC_PRED_DCT_FRAME : XVMC_PRED_DCT_FIELD;
ctl.flags |= (this->top_field_first) ?
XVMC_TOP_FIELD_FIRST : XVMC_BOTTOM_FIELD_FIRST;
ctl.flags |= (vft->concealment_motion_vectors) ?
XVMC_CONCEALMENT_MOTION_VECTORS : 0 ;
ctl.flags |= (vft->q_scale_type) ?
XVMC_Q_SCALE_TYPE : 0;
ctl.flags |= (vft->intra_vlc_format) ?
XVMC_INTRA_VLC_FORMAT : 0;
ctl.flags |= (vft->second_field) ?
XVMC_SECOND_FIELD : 0 ;
if (ff) fs=ff->xvmc_surf;
if (bf) bs=bf->xvmc_surf;
/*
* Below is for interlaced streams and second_field.
*/
if (ctl.picture_coding_type == XVMC_P_PICTURE)
bs = cf->xvmc_surf;
if ((qmx.load_intra_quantiser_matrix = vft->load_intra_quantizer_matrix)) {
memcpy(qmx.intra_quantiser_matrix,vft->intra_quantizer_matrix,
sizeof(qmx.intra_quantiser_matrix));
}
if ((qmx.load_non_intra_quantiser_matrix = vft->load_non_intra_quantizer_matrix)) {
memcpy(qmx.non_intra_quantiser_matrix,vft->non_intra_quantizer_matrix,
sizeof(qmx.non_intra_quantiser_matrix));
}
qmx.load_chroma_intra_quantiser_matrix = 0;
qmx.load_chroma_non_intra_quantiser_matrix = 0;
XVMCLOCKDISPLAY( driver->display );
XvMCLoadQMatrix(driver->display, &driver->context, &qmx);
while((cf->xxmc_data.result =
XvMCBeginSurface(driver->display, &driver->context, cf->xvmc_surf,
fs, bs, &ctl)));
XVMCUNLOCKDISPLAY( driver->display );
driver->cpu_saver = 0.;
}
void xvmc_vld_slice(vo_frame_t *this_gen)
{
xxmc_frame_t
*cf = (xxmc_frame_t *) this_gen;
xxmc_driver_t
*driver = (xxmc_driver_t *) cf->vo_frame.driver;
XVMCLOCKDISPLAY( driver->display );
cf->xxmc_data.result =
XvMCPutSlice2(driver->display,&driver->context,cf->xxmc_data.slice_data,
cf->xxmc_data.slice_data_size,cf->xxmc_data.slice_code);
/*
* If CPU-saving mode is enabled, sleep after every xxmc->sleep slice. This will free
* up the cpu while the decoder is working on the slice. The value of xxmc->sleep is calculated
* so that the decoder thread sleeps at most 50% of the frame delay,
* assuming a 2.6 kernel clock of 1000 Hz.
*/
XVMCUNLOCKDISPLAY( driver->display );
if (driver->cpu_save_enabled) {
driver->cpu_saver += 1.;
if (driver->cpu_saver >= cf->xxmc_data.sleep) {
usleep(1);
driver->cpu_saver -= cf->xxmc_data.sleep;
}
}
}
#endif
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