Removed DVD support from the core VDR source

1 files changed, 0 insertions, 312 deletions

diff --git a/ac3dec/decode.c b/ac3dec/decode.c
deleted file mode 100644
index 1ff517c4..00000000
--- a/ac3dec/decode.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/* 
- *    decode.c
- *
- *	Copyright (C) Aaron Holtzman - May 1999
- *
- *  This file is part of ac3dec, a free Dolby AC-3 stream decoder.
- *	
- *  ac3dec 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, or (at your option)
- *  any later version.
- *   
- *  ac3dec 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 GNU Make; see the file COPYING.  If not, write to
- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
- *
- *------------------------------------------------------------
- *
- *	Thomas Mirlacher <dent@cosy.sbg.ac.at>
- *	added OMS support
- * 11 Jan 2001
- *	Thomas Mirlacher <dent@cosy.sbg.ac.at>
- *	faster error response using jmp functions
- * 
- *  9 Aug 2001      
- *      Matjaz Thaler <matjaz.thaler@rd.iskraemeco.si>
- *      Added support for DVB-s PCI card
- *
- * 24 Nov 2001
- *      Andreas Schultz <aschultz@cs.uni-magdeburg.de>
- *      Added ac3_buffersize()
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif 
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/time.h>
-
-#ifdef __OMS__
-#include <oms/oms.h>
-#include <oms/plugin/output_audio.h>
-#endif
-
-#include "ac3.h"
-#include "ac3_internal.h"
-#include "bitstream.h"
-#include "downmix.h"
-#include "srfft.h"
-#include "imdct.h"
-#include "exponent.h"
-#include "coeff.h"
-#include "bit_allocate.h"
-#include "parse.h"
-#include "crc.h"
-#include "stats.h"
-#include "rematrix.h"
-#include "sanity_check.h"
-#include "debug.h"
-#ifndef __OMS__
-//#include "audio_out.h"
-#endif
-//our global config structure
-ac3_config_t ac3_config;
-
-static audblk_t audblk;
-static bsi_t bsi;
-static syncinfo_t syncinfo;
-#ifndef __OMS__
-static uint32_t done_banner;
-#endif
-static uint32_t is_output_initialized = 0;
-
-//the floating point samples for one audblk
-static stream_samples_t samples;
-
-//the integer samples for the entire frame (with enough space for 2 ch out)
-//if this size change, be sure to change the size when muting
-static int16_t s16_samples[2 * 6 * 256] __attribute__ ((aligned(16)));
-
-// downmix stuff
-static float cmixlev_lut[4] = { 0.707, 0.595, 0.500, 0.707 };
-static float smixlev_lut[4] = { 0.707, 0.500, 0.0   , 0.500 };
-static dm_par_t dm_par;
- 
-//Storage for the syncframe
-#define BUFFER_MAX_SIZE 4096
-static uint8_t buffer[BUFFER_MAX_SIZE];
-static uint32_t buffer_size = 0;;
-// for error handling
-jmp_buf error_jmp_mark;
-
-uint32_t ac3_buffersize()
-{
-  return buffer_size;
-}
-
-static uint32_t decode_buffer_syncframe (syncinfo_t *syncinfo, uint8_t **start, uint8_t *end)
-{
-	uint8_t *cur = *start;
-	uint16_t syncword = syncinfo->syncword;
-	uint32_t ret = 0;
-
-	// Find an ac3 sync frame.
-	while (syncword != 0x0b77) {
-		if (cur >= end)
-			goto done;
-		syncword = (syncword << 8) + *cur++;
-	}
-
-	//need the next 3 bytes to decide how big the frame is
-	while (buffer_size < 3) {
-		if(cur >= end)
-			goto done;
-
-		buffer[buffer_size++] = *cur++;
-	}
-	
-	parse_syncinfo (syncinfo,buffer);
-	stats_print_syncinfo (syncinfo);
-
-	while (buffer_size < syncinfo->frame_size * 2 - 2) {
-		if(cur >= end)
-			goto done;
-
-		buffer[buffer_size++] = *cur++;
-	}
-
-#if 0
-	// Check the crc over the entire frame 
-	crc_init();
-	crc_process_frame (buffer, syncinfo->frame_size * 2 - 2);
-
-	if (!crc_validate()) {
-		fprintf(stderr,"** CRC failed - skipping frame **\n");
-		goto done;
-	}
-#endif
-
-	//if we got to this point, we found a valid ac3 frame to decode
-
-	bitstream_init (buffer);
-	//get rid of the syncinfo struct as we already parsed it
-	bitstream_get (24);
-
-	//reset the syncword for next time
-	syncword = 0xffff;
-	buffer_size = 0;
-	ret = 1;
-
-done:
-	syncinfo->syncword = syncword;
-	*start = cur;
-	return ret;
-}
-
-
-void inline decode_mute (void)
-{
-	//mute the frame
-	memset (s16_samples, 0, sizeof(int16_t) * 256 * 2 * 6);
-}
-
-
-void ac3dec_init (void)
-{
-// FIXME - don't do that statically here
-	ac3_config.num_output_ch = 2;
-	ac3_config.flags = 0;
-
-	imdct_init ();
-	downmix_init ();
-	memset (&syncinfo, 0, sizeof (syncinfo));
-	memset (&bsi, 0, sizeof (bsi));
-	memset (&audblk, 0, sizeof (audblk));
-	sanity_check_init (&syncinfo,&bsi,&audblk);
-}
-
-#ifdef __OMS__
-size_t ac3dec_decode_data (plugin_output_audio_t *output, uint8_t *data_start, uint8_t *data_end)
-#else
-size_t ac3dec_decode_data (uint8_t *data_start ,uint8_t *data_end, int ac3reset, int *input_pointer, int *output_pointer, char *ac3_data)
-#endif
-{
-	uint32_t i;
-	int datasize;
-	char *data;
-
-
-	if(ac3reset != 0){
-	  syncinfo.syncword = 0xffff;
-	  buffer_size = 0;
-	}
-		
-	if (setjmp (error_jmp_mark) < 0) {
-		ac3dec_init ();
-		return 0;
-	}
-
-	while (decode_buffer_syncframe (&syncinfo, &data_start, data_end)) {
-		parse_bsi (&bsi);
-
-#ifndef __OMS__
-		if(!done_banner) {
-		  //			stats_print_banner(&syncinfo,&bsi);
-			done_banner = 1;
-		}
-#endif
-
-		// compute downmix parameters
-		// downmix to tow channels for now
-		dm_par.clev = 0.0; dm_par.slev = 0.0; dm_par.unit = 1.0;
-		if (bsi.acmod & 0x1)	// have center
-			dm_par.clev = cmixlev_lut[bsi.cmixlev];
-
-		if (bsi.acmod & 0x4)	// have surround channels
-			dm_par.slev = smixlev_lut[bsi.surmixlev];
-
-		dm_par.unit /= 1.0 + dm_par.clev + dm_par.slev;
-		dm_par.clev *= dm_par.unit;
-		dm_par.slev *= dm_par.unit;
-
-		for(i=0; i < 6; i++) {
-			//Initialize freq/time sample storage
-			memset (samples, 0, sizeof(float) * 256 * (bsi.nfchans + bsi.lfeon));
-
-			// Extract most of the audblk info from the bitstream
-			// (minus the mantissas 
-			parse_audblk (&bsi,&audblk);
-
-			// Take the differential exponent data and turn it into
-			// absolute exponents 
-			exponent_unpack (&bsi,&audblk); 
-
-			// Figure out how many bits per mantissa 
-			bit_allocate (syncinfo.fscod,&bsi,&audblk);
-
-			// Extract the mantissas from the stream and
-			// generate floating point frequency coefficients
-			coeff_unpack (&bsi,&audblk,samples);
-
-			if (bsi.acmod == 0x2)
-				rematrix (&audblk,samples);
-
-			// Convert the frequency samples into time samples 
-			imdct (&bsi,&audblk,samples, &s16_samples[i * 2 * 256], &dm_par);
-
-			// Downmix into the requested number of channels
-			// and convert floating point to int16_t
-			// downmix(&bsi,samples,&s16_samples[i * 2 * 256]);
-
-			if (sanity_check(&syncinfo,&bsi,&audblk) < 0) {
-				HANDLE_ERROR ();
-				return 0;
-			}
-
-			continue;
-		}
-
-		if (!is_output_initialized) {
-#ifdef __OMS__
-			plugin_output_audio_attr_t attr;
-#ifdef __sun__
-			attr.format = 16;
-#else
-			attr.format = AFMT_S16_NE;
-#endif
-			attr.speed = syncinfo.sampling_rate;
-			attr.channels = 2;
-
-			//	output->setup (&attr);
-#else
-			//			ao_functions->open (16, syncinfo.sampling_rate, 2);
-#endif
-			is_output_initialized = 1;
-		}
-
-#ifdef __OMS__
-		output->write (s16_samples, 256 * 6 * 2 * 2);
-#else
-		//		ao_functions->play(s16_samples, 256 * 6 * 2);
-		data = (char *)s16_samples;
-		datasize = 0;
-		while(datasize < 6144){
-		  if(((*input_pointer+1) % AC3_BUFFER_SIZE) != *output_pointer){    // There is room in the sync_buffer
-		    ac3_data[*input_pointer]=data[datasize];
-		    datasize++;
-		    *input_pointer = (*input_pointer+1) % AC3_BUFFER_SIZE;
-		  }
-		  else{
-		    *input_pointer = *output_pointer = 0;
-		    break;
-		  }
-		}
-
-#endif
-
-	}
-
-	decode_mute ();
-
-	return 0;	
-}