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105 lines
3.7 KiB
105 lines
3.7 KiB
/*****************************************************************************
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* decoder.c: stats decoder plugin for vlc.
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*****************************************************************************
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* Copyright (C) 2002-2008 the VideoLAN team
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*
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* Authors: Samuel Hocevar <sam@zoy.org>
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* Pierre d'Herbemont <pdherbemont@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_codec.h>
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#include <vlc_vout.h>
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#include "stats.h"
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block );
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/*****************************************************************************
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* OpenDecoder: Open the decoder
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*****************************************************************************/
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int OpenDecoder ( vlc_object_t *p_this )
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{
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decoder_t *p_dec = (decoder_t*)p_this;
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msg_Dbg( p_this, "opening stats decoder" );
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/* Set callbacks */
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p_dec->pf_decode_video = DecodeBlock;
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p_dec->pf_decode_audio = NULL;
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p_dec->pf_decode_sub = NULL;
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return VLC_SUCCESS;
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}
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/****************************************************************************
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* RunDecoder: the whole thing
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****************************************************************************/
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static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
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{
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block_t *p_block;
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picture_t * p_pic = NULL;
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if( !pp_block || !*pp_block ) return NULL;
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p_block = *pp_block;
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p_dec->fmt_out.video.i_width = 100;
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p_dec->fmt_out.video.i_height = 100;
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p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR;
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p_dec->fmt_out.i_codec = VLC_FOURCC('I','4','2','0');
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p_pic = decoder_NewPicture( p_dec );
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if( p_block->i_buffer == kBufferSize )
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{
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msg_Dbg( p_dec, "got %"PRIu64" ms",
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*(mtime_t *)p_block->p_buffer / 1000 );
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msg_Dbg( p_dec, "got %"PRIu64" ms offset",
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(mdate() - *(mtime_t *)p_block->p_buffer) / 1000 );
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*(mtime_t *)(p_pic->p->p_pixels) = *(mtime_t *)p_block->p_buffer;
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}
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else
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{
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msg_Dbg( p_dec, "got a packet not from stats demuxer" );
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*(mtime_t *)(p_pic->p->p_pixels) = mdate();
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}
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p_pic->date = p_block->i_pts ? p_block->i_pts : p_block->i_dts;
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p_pic->b_force = true;
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block_Release( p_block );
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*pp_block = NULL;
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return p_pic;
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}
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/*****************************************************************************
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* CloseDecoder: decoder destruction
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*****************************************************************************/
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void CloseDecoder ( vlc_object_t *p_this )
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{
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msg_Dbg( p_this, "closing stats decoder" );
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}
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