#include "int_types.h"
#include "ac3_decoder.h"
-#include "ac3_parse.h"
+#include "ac3_internal.h"
#include "ac3_bit_stream.h"
/* Misc LUT */
static u16 nfchans[] = { 2, 1, 2, 3, 3, 4, 4, 5 };
-struct frmsize_s
-{
+struct frmsize_s {
u16 bit_rate;
u16 frm_size[3];
};
{ 640 ,{1280 ,1393 ,1920 } },
{ 640 ,{1280 ,1394 ,1920 } }};
-/* Look for a sync word */
-int ac3_test_sync (ac3dec_t * p_ac3dec)
-{
- NeedBits( &(p_ac3dec->bit_stream), 16 );
- if ( (p_ac3dec->bit_stream.buffer >> (32 - 16)) == 0x0b77 )
- {
- p_ac3dec->bit_stream.total_bits_read = 0;
- DumpBits( &(p_ac3dec->bit_stream), 16 );
- return 0;
- }
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- return 1;
-}
+static int fscod_tbl[] = {48000, 44100, 32000};
-/* Parse a syncinfo structure, minus the sync word */
-void parse_syncinfo( ac3dec_t * p_ac3dec )
+/* Parse a syncinfo structure */
+int ac3_sync_frame (ac3dec_t * p_ac3dec, ac3_sync_info_t * p_sync_info)
{
+ int buf;
+
+ p_ac3dec->bit_stream.total_bits_read = 0;
+ p_ac3dec->bit_stream.i_available = 0;
+
+ /* sync word - should be 0x0b77 */
+ NeedBits (&(p_ac3dec->bit_stream), 16);
+ buf = p_ac3dec->bit_stream.buffer >> (32 - 16);
+ DumpBits (&(p_ac3dec->bit_stream), 16);
+ if (buf != 0x0b77)
+ return 1;
+
/* Get crc1 - we don't actually use this data though */
- NeedBits( &(p_ac3dec->bit_stream), 16 );
- DumpBits( &(p_ac3dec->bit_stream), 16 );
+ NeedBits (&(p_ac3dec->bit_stream), 16);
+ DumpBits (&(p_ac3dec->bit_stream), 16);
/* Get the sampling rate */
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->syncinfo.fscod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
-// fprintf( stderr, "parse debug: fscod == %i\n", p_ac3dec->syncinfo.fscod );
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
/* Get the frame size code */
- NeedBits( &(p_ac3dec->bit_stream), 6 );
+ NeedBits (&(p_ac3dec->bit_stream), 6);
p_ac3dec->syncinfo.frmsizecod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 6));
-// fprintf( stderr, "parse debug: frmsizecod == %i\n", p_ac3dec->syncinfo.frmsizecod );
- DumpBits( &(p_ac3dec->bit_stream), 6 );
+ DumpBits (&(p_ac3dec->bit_stream), 6);
+
+ p_sync_info->bit_rate = frmsizecod_tbl[p_ac3dec->syncinfo.frmsizecod].bit_rate;
- p_ac3dec->syncinfo.bit_rate = frmsizecod_tbl[p_ac3dec->syncinfo.frmsizecod].bit_rate;
-// fprintf( stderr, "parse debug: bit_rate == %i\n", p_ac3dec->syncinfo.bit_rate );
p_ac3dec->syncinfo.frame_size = frmsizecod_tbl[p_ac3dec->syncinfo.frmsizecod].frm_size[p_ac3dec->syncinfo.fscod];
-// fprintf( stderr, "parse debug: frame_size == %i\n", p_ac3dec->syncinfo.frame_size );
+ p_sync_info->frame_size = 2 * p_ac3dec->syncinfo.frame_size;
+
+ p_sync_info->sample_rate = fscod_tbl[p_ac3dec->syncinfo.fscod];
+
+ return 0;
}
/*
* This routine fills a bsi struct from the AC3 stream
*/
-void parse_bsi( ac3dec_t * p_ac3dec )
+void parse_bsi (ac3dec_t * p_ac3dec)
{
u32 i;
/* Check the AC-3 version number */
- NeedBits( &(p_ac3dec->bit_stream), 5 );
+ NeedBits (&(p_ac3dec->bit_stream), 5);
p_ac3dec->bsi.bsid = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 5));
- DumpBits( &(p_ac3dec->bit_stream), 5 );
+ DumpBits (&(p_ac3dec->bit_stream), 5);
/* Get the audio service provided by the steram */
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->bsi.bsmod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
/* Get the audio coding mode (ie how many channels)*/
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->bsi.acmod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
/* Predecode the number of full bandwidth channels as we use this
* number a lot */
p_ac3dec->bsi.nfchans = nfchans[p_ac3dec->bsi.acmod];
/* If it is in use, get the centre channel mix level */
- if ((p_ac3dec->bsi.acmod & 0x1) && (p_ac3dec->bsi.acmod != 0x1))
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ if ((p_ac3dec->bsi.acmod & 0x1) && (p_ac3dec->bsi.acmod != 0x1)) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->bsi.cmixlev = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
/* If it is in use, get the surround channel mix level */
- if (p_ac3dec->bsi.acmod & 0x4)
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ if (p_ac3dec->bsi.acmod & 0x4) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->bsi.surmixlev = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
/* Get the dolby surround mode if in 2/0 mode */
- if(p_ac3dec->bsi.acmod == 0x2)
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ if (p_ac3dec->bsi.acmod == 0x2) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->bsi.dsurmod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
/* Is the low frequency effects channel on? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.lfeon = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
/* Get the dialogue normalization level */
- NeedBits( &(p_ac3dec->bit_stream), 5 );
+ NeedBits (&(p_ac3dec->bit_stream), 5);
p_ac3dec->bsi.dialnorm = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 5));
- DumpBits( &(p_ac3dec->bit_stream), 5 );
+ DumpBits (&(p_ac3dec->bit_stream), 5);
/* Does compression gain exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.compre = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->bsi.compre)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->bsi.compre) {
/* Get compression gain */
- NeedBits( &(p_ac3dec->bit_stream), 8 );
+ NeedBits (&(p_ac3dec->bit_stream), 8);
p_ac3dec->bsi.compr = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 8));
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
/* Does language code exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.langcode = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->bsi.langcode)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->bsi.langcode) {
/* Get langauge code */
- NeedBits( &(p_ac3dec->bit_stream), 8 );
+ NeedBits (&(p_ac3dec->bit_stream), 8);
p_ac3dec->bsi.langcod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 8));
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
/* Does audio production info exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.audprodie = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->bsi.audprodie)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->bsi.audprodie) {
/* Get mix level */
- NeedBits( &(p_ac3dec->bit_stream), 5 );
+ NeedBits (&(p_ac3dec->bit_stream), 5);
p_ac3dec->bsi.mixlevel = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 5));
- DumpBits( &(p_ac3dec->bit_stream), 5 );
+ DumpBits (&(p_ac3dec->bit_stream), 5);
/* Get room type */
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->bsi.roomtyp = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
/* If we're in dual mono mode then get some extra info */
- if (p_ac3dec->bsi.acmod ==0)
- {
+ if (p_ac3dec->bsi.acmod ==0) {
/* Get the dialogue normalization level two */
- NeedBits( &(p_ac3dec->bit_stream), 5 );
+ NeedBits (&(p_ac3dec->bit_stream), 5);
p_ac3dec->bsi.dialnorm2 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 5));
- DumpBits( &(p_ac3dec->bit_stream), 5 );
+ DumpBits (&(p_ac3dec->bit_stream), 5);
/* Does compression gain two exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.compr2e = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->bsi.compr2e)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->bsi.compr2e) {
/* Get compression gain two */
- NeedBits( &(p_ac3dec->bit_stream), 8 );
+ NeedBits (&(p_ac3dec->bit_stream), 8);
p_ac3dec->bsi.compr2 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 8));
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
/* Does language code two exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.langcod2e = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->bsi.langcod2e)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->bsi.langcod2e) {
/* Get langauge code two */
- NeedBits( &(p_ac3dec->bit_stream), 8 );
+ NeedBits (&(p_ac3dec->bit_stream), 8);
p_ac3dec->bsi.langcod2 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 8));
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
/* Does audio production info two exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.audprodi2e = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->bsi.audprodi2e)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->bsi.audprodi2e) {
/* Get mix level two */
- NeedBits( &(p_ac3dec->bit_stream), 5 );
+ NeedBits (&(p_ac3dec->bit_stream), 5);
p_ac3dec->bsi.mixlevel2 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 5));
- DumpBits( &(p_ac3dec->bit_stream), 5 );
+ DumpBits (&(p_ac3dec->bit_stream), 5);
/* Get room type two */
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->bsi.roomtyp2 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
}
/* Get the copyright bit */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.copyrightb = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
/* Get the original bit */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.origbs = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
/* Does timecode one exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.timecod1e = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->bsi.timecod1e)
- {
- NeedBits( &(p_ac3dec->bit_stream), 14 );
+ if (p_ac3dec->bsi.timecod1e) {
+ NeedBits (&(p_ac3dec->bit_stream), 14);
p_ac3dec->bsi.timecod1 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 14));
- DumpBits( &(p_ac3dec->bit_stream), 14 );
+ DumpBits (&(p_ac3dec->bit_stream), 14);
}
/* Does timecode two exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.timecod2e = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->bsi.timecod2e)
- {
- NeedBits( &(p_ac3dec->bit_stream), 14 );
+ if (p_ac3dec->bsi.timecod2e) {
+ NeedBits (&(p_ac3dec->bit_stream), 14);
p_ac3dec->bsi.timecod2 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 14));
- DumpBits( &(p_ac3dec->bit_stream), 14 );
+ DumpBits (&(p_ac3dec->bit_stream), 14);
}
/* Does addition info exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->bsi.addbsie = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->bsi.addbsie)
- {
+ if (p_ac3dec->bsi.addbsie) {
/* Get how much info is there */
- NeedBits( &(p_ac3dec->bit_stream), 6 );
+ NeedBits (&(p_ac3dec->bit_stream), 6);
p_ac3dec->bsi.addbsil = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 6));
- DumpBits( &(p_ac3dec->bit_stream), 6 );
+ DumpBits (&(p_ac3dec->bit_stream), 6);
/* Get the additional info */
- for(i=0;i<(p_ac3dec->bsi.addbsil + 1);i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 8 );
+ for (i=0;i<(p_ac3dec->bsi.addbsil + 1);i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 8);
p_ac3dec->bsi.addbsi[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 8));
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
}
}
/* More pain inducing parsing */
-void parse_audblk( ac3dec_t * p_ac3dec )
+void parse_audblk (ac3dec_t * p_ac3dec)
{
int i, j;
- for (i=0;i < p_ac3dec->bsi.nfchans; i++)
- {
+ for (i=0; i < p_ac3dec->bsi.nfchans; i++) {
/* Is this channel an interleaved 256 + 256 block ? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.blksw[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
- for (i=0;i < p_ac3dec->bsi.nfchans; i++)
- {
+ for (i=0; i < p_ac3dec->bsi.nfchans; i++) {
/* Should we dither this channel? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.dithflag[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
/* Does dynamic range control exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.dynrnge = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->audblk.dynrnge)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->audblk.dynrnge) {
/* Get dynamic range info */
- NeedBits( &(p_ac3dec->bit_stream), 8 );
+ NeedBits (&(p_ac3dec->bit_stream), 8);
p_ac3dec->audblk.dynrng = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 8));
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
/* If we're in dual mono mode then get the second channel DR info */
- if (p_ac3dec->bsi.acmod == 0)
- {
+ if (p_ac3dec->bsi.acmod == 0) {
/* Does dynamic range control two exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.dynrng2e = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->audblk.dynrng2e)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->audblk.dynrng2e) {
/* Get dynamic range info */
- NeedBits( &(p_ac3dec->bit_stream), 8 );
+ NeedBits (&(p_ac3dec->bit_stream), 8);
p_ac3dec->audblk.dynrng2 = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 8));
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
}
/* Does coupling strategy exist? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.cplstre = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if (p_ac3dec->audblk.cplstre)
- {
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->audblk.cplstre) {
/* Is coupling turned on? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.cplinu = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if(p_ac3dec->audblk.cplinu)
- {
- for(i=0;i < p_ac3dec->bsi.nfchans; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->audblk.cplinu) {
+ for (i=0; i < p_ac3dec->bsi.nfchans; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.chincpl[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
- if(p_ac3dec->bsi.acmod == 0x2)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if (p_ac3dec->bsi.acmod == 0x2) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.phsflginu = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.cplbegf = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.cplendf = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.ncplsubnd = (p_ac3dec->audblk.cplendf + 2) - p_ac3dec->audblk.cplbegf + 1;
/* Calculate the start and end bins of the coupling channel */
p_ac3dec->audblk.cplstrtmant = (p_ac3dec->audblk.cplbegf * 12) + 37 ;
- p_ac3dec->audblk.cplendmant = ((p_ac3dec->audblk.cplendf + 3) * 12) + 37;
+ p_ac3dec->audblk.cplendmant = ((p_ac3dec->audblk.cplendf + 3) * 12) + 37;
/* The number of combined subbands is ncplsubnd minus each combined
* band */
p_ac3dec->audblk.ncplbnd = p_ac3dec->audblk.ncplsubnd;
- for(i=1; i< p_ac3dec->audblk.ncplsubnd; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ for (i=1; i< p_ac3dec->audblk.ncplsubnd; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.cplbndstrc[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.ncplbnd -= p_ac3dec->audblk.cplbndstrc[i];
}
}
}
- if(p_ac3dec->audblk.cplinu)
- {
+ if (p_ac3dec->audblk.cplinu) {
/* Loop through all the channels and get their coupling co-ords */
- for(i=0;i < p_ac3dec->bsi.nfchans;i++)
- {
- if(!p_ac3dec->audblk.chincpl[i])
+ for (i=0; i < p_ac3dec->bsi.nfchans;i++) {
+ if (!p_ac3dec->audblk.chincpl[i])
continue;
/* Is there new coupling co-ordinate info? */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.cplcoe[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->audblk.cplcoe[i])
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ if (p_ac3dec->audblk.cplcoe[i]) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.mstrcplco[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
- for(j=0;j < p_ac3dec->audblk.ncplbnd; j++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
+ for (j=0;j < p_ac3dec->audblk.ncplbnd; j++) {
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.cplcoexp[i][j] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.cplcomant[i][j] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
}
}
}
/* If we're in dual mono mode, there's going to be some phase info */
- if( (p_ac3dec->bsi.acmod == 0x2) && p_ac3dec->audblk.phsflginu &&
- (p_ac3dec->audblk.cplcoe[0] || p_ac3dec->audblk.cplcoe[1]))
- {
- for(j=0;j < p_ac3dec->audblk.ncplbnd; j++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if ((p_ac3dec->bsi.acmod == 0x2) && p_ac3dec->audblk.phsflginu &&
+ (p_ac3dec->audblk.cplcoe[0] || p_ac3dec->audblk.cplcoe[1])) {
+ for (j=0; j < p_ac3dec->audblk.ncplbnd; j++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.phsflg[j] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
}
}
/* If we're in dual mono mode, there may be a rematrix strategy */
- if(p_ac3dec->bsi.acmod == 0x2)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if (p_ac3dec->bsi.acmod == 0x2) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.rematstr = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
- if(p_ac3dec->audblk.rematstr)
- {
- if (p_ac3dec->audblk.cplinu == 0)
- {
- for(i = 0; i < 4; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
+ if (p_ac3dec->audblk.rematstr) {
+ if (p_ac3dec->audblk.cplinu == 0) {
+ for (i = 0; i < 4; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.rematflg[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
}
- if((p_ac3dec->audblk.cplbegf > 2) && p_ac3dec->audblk.cplinu)
- {
- for(i = 0; i < 4; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if ((p_ac3dec->audblk.cplbegf > 2) && p_ac3dec->audblk.cplinu) {
+ for (i = 0; i < 4; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.rematflg[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
}
- if((p_ac3dec->audblk.cplbegf <= 2) && p_ac3dec->audblk.cplinu)
- {
- for(i = 0; i < 3; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if ((p_ac3dec->audblk.cplbegf <= 2) && p_ac3dec->audblk.cplinu) {
+ for (i = 0; i < 3; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.rematflg[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
}
- if((p_ac3dec->audblk.cplbegf == 0) && p_ac3dec->audblk.cplinu)
- for(i = 0; i < 2; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if ((p_ac3dec->audblk.cplbegf == 0) && p_ac3dec->audblk.cplinu)
+ for (i = 0; i < 2; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.rematflg[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
-
}
}
if (p_ac3dec->audblk.cplinu)
{
/* Get the coupling channel exponent strategy */
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.cplexpstr = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
- if(p_ac3dec->audblk.cplexpstr==0)
+ if (p_ac3dec->audblk.cplexpstr==0)
p_ac3dec->audblk.ncplgrps = 0;
else
p_ac3dec->audblk.ncplgrps = (p_ac3dec->audblk.cplendmant - p_ac3dec->audblk.cplstrtmant) /
- (3 << (p_ac3dec->audblk.cplexpstr-1));
+ (3 << (p_ac3dec->audblk.cplexpstr-1));
}
- for(i = 0; i < p_ac3dec->bsi.nfchans; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ for (i = 0; i < p_ac3dec->bsi.nfchans; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.chexpstr[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
/* Get the exponent strategy for lfe channel */
- if(p_ac3dec->bsi.lfeon)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if (p_ac3dec->bsi.lfeon) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.lfeexpstr = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
/* Determine the bandwidths of all the fbw channels */
- for(i = 0; i < p_ac3dec->bsi.nfchans; i++)
- {
+ for (i = 0; i < p_ac3dec->bsi.nfchans; i++) {
u16 grp_size;
- if(p_ac3dec->audblk.chexpstr[i] != EXP_REUSE)
- {
- if (p_ac3dec->audblk.cplinu && p_ac3dec->audblk.chincpl[i])
- {
+ if (p_ac3dec->audblk.chexpstr[i] != EXP_REUSE) {
+ if (p_ac3dec->audblk.cplinu && p_ac3dec->audblk.chincpl[i]) {
p_ac3dec->audblk.endmant[i] = p_ac3dec->audblk.cplstrtmant;
- }
- else
- {
- NeedBits( &(p_ac3dec->bit_stream), 6 );
+ } else {
+ NeedBits (&(p_ac3dec->bit_stream), 6);
p_ac3dec->audblk.chbwcod[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 6));
- DumpBits( &(p_ac3dec->bit_stream), 6 );
+ DumpBits (&(p_ac3dec->bit_stream), 6);
p_ac3dec->audblk.endmant[i] = ((p_ac3dec->audblk.chbwcod[i] + 12) * 3) + 37;
}
}
/* Get the coupling exponents if they exist */
- if(p_ac3dec->audblk.cplinu && (p_ac3dec->audblk.cplexpstr != EXP_REUSE))
- {
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ if (p_ac3dec->audblk.cplinu && (p_ac3dec->audblk.cplexpstr != EXP_REUSE)) {
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.cplabsexp = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- for(i=0;i< p_ac3dec->audblk.ncplgrps;i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 7 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ for (i=0; i< p_ac3dec->audblk.ncplgrps;i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 7);
p_ac3dec->audblk.cplexps[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 7));
- DumpBits( &(p_ac3dec->bit_stream), 7 );
+ DumpBits (&(p_ac3dec->bit_stream), 7);
}
}
/* Get the fwb channel exponents */
- for(i=0;i < p_ac3dec->bsi.nfchans; i++)
- {
- if(p_ac3dec->audblk.chexpstr[i] != EXP_REUSE)
- {
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ for (i=0; i < p_ac3dec->bsi.nfchans; i++) {
+ if (p_ac3dec->audblk.chexpstr[i] != EXP_REUSE) {
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.exps[i][0] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- for(j=1;j<=p_ac3dec->audblk.nchgrps[i];j++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 7 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ for (j=1; j<=p_ac3dec->audblk.nchgrps[i];j++) {
+ NeedBits (&(p_ac3dec->bit_stream), 7);
p_ac3dec->audblk.exps[i][j] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 7));
- DumpBits( &(p_ac3dec->bit_stream), 7 );
+ DumpBits (&(p_ac3dec->bit_stream), 7);
}
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.gainrng[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
}
/* Get the lfe channel exponents */
- if(p_ac3dec->bsi.lfeon && (p_ac3dec->audblk.lfeexpstr != EXP_REUSE))
- {
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ if (p_ac3dec->bsi.lfeon && (p_ac3dec->audblk.lfeexpstr != EXP_REUSE)) {
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.lfeexps[0] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 7 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 7);
p_ac3dec->audblk.lfeexps[1] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 7));
- DumpBits( &(p_ac3dec->bit_stream), 7 );
- NeedBits( &(p_ac3dec->bit_stream), 7 );
+ DumpBits (&(p_ac3dec->bit_stream), 7);
+ NeedBits (&(p_ac3dec->bit_stream), 7);
p_ac3dec->audblk.lfeexps[2] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 7));
- DumpBits( &(p_ac3dec->bit_stream), 7 );
+ DumpBits (&(p_ac3dec->bit_stream), 7);
}
/* Get the parametric bit allocation parameters */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.baie = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->audblk.baie)
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ if (p_ac3dec->audblk.baie) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.sdcycod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.fdcycod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.sgaincod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.dbpbcod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.floorcod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
}
/* Get the SNR off set info if it exists */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.snroffste = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->audblk.snroffste)
- {
- NeedBits( &(p_ac3dec->bit_stream), 6 );
+ if (p_ac3dec->audblk.snroffste) {
+ NeedBits (&(p_ac3dec->bit_stream), 6);
p_ac3dec->audblk.csnroffst = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 6));
- DumpBits( &(p_ac3dec->bit_stream), 6 );
+ DumpBits (&(p_ac3dec->bit_stream), 6);
- if(p_ac3dec->audblk.cplinu)
- {
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ if (p_ac3dec->audblk.cplinu) {
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.cplfsnroffst = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.cplfgaincod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
}
- for(i = 0;i < p_ac3dec->bsi.nfchans; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ for (i = 0;i < p_ac3dec->bsi.nfchans; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.fsnroffst[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.fgaincod[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
}
- if(p_ac3dec->bsi.lfeon)
- {
-
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ if (p_ac3dec->bsi.lfeon) {
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.lfefsnroffst = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.lfefgaincod = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
}
}
/* Get coupling leakage info if it exists */
- if(p_ac3dec->audblk.cplinu)
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ if (p_ac3dec->audblk.cplinu) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.cplleake = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->audblk.cplleake)
- {
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ if (p_ac3dec->audblk.cplleake) {
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.cplfleak = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.cplsleak = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
}
}
/* Get the delta bit alloaction info */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.deltbaie = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if(p_ac3dec->audblk.deltbaie)
- {
- if(p_ac3dec->audblk.cplinu)
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ if (p_ac3dec->audblk.deltbaie) {
+ if (p_ac3dec->audblk.cplinu) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.cpldeltbae = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
- for(i = 0;i < p_ac3dec->bsi.nfchans; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 2 );
+ for (i = 0;i < p_ac3dec->bsi.nfchans; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 2);
p_ac3dec->audblk.deltbae[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 2));
- DumpBits( &(p_ac3dec->bit_stream), 2 );
+ DumpBits (&(p_ac3dec->bit_stream), 2);
}
- if (p_ac3dec->audblk.cplinu && (p_ac3dec->audblk.cpldeltbae == DELTA_BIT_NEW))
- {
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ if (p_ac3dec->audblk.cplinu && (p_ac3dec->audblk.cpldeltbae == DELTA_BIT_NEW)) {
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.cpldeltnseg = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
- for(i = 0;i < p_ac3dec->audblk.cpldeltnseg + 1; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 5 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
+ for (i = 0;i < p_ac3dec->audblk.cpldeltnseg + 1; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 5);
p_ac3dec->audblk.cpldeltoffst[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 5));
- DumpBits( &(p_ac3dec->bit_stream), 5 );
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ DumpBits (&(p_ac3dec->bit_stream), 5);
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.cpldeltlen[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.cpldeltba[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
}
}
- for(i = 0;i < p_ac3dec->bsi.nfchans; i++)
- {
- if (p_ac3dec->audblk.deltbae[i] == DELTA_BIT_NEW)
- {
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ for (i = 0; i < p_ac3dec->bsi.nfchans; i++) {
+ if (p_ac3dec->audblk.deltbae[i] == DELTA_BIT_NEW) {
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.deltnseg[i] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
-// if ( p_ac3dec->audblk.deltnseg[i] >= 8 )
-// fprintf( stderr, "parse debug: p_ac3dec->audblk.deltnseg[%i] == %i\n", i, p_ac3dec->audblk.deltnseg[i] );
- for(j = 0; j < p_ac3dec->audblk.deltnseg[i] + 1; j++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 5 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
+// if (p_ac3dec->audblk.deltnseg[i] >= 8)
+// fprintf (stderr, "parse debug: p_ac3dec->audblk.deltnseg[%i] == %i\n", i, p_ac3dec->audblk.deltnseg[i]);
+ for (j = 0; j < p_ac3dec->audblk.deltnseg[i] + 1; j++) {
+ NeedBits (&(p_ac3dec->bit_stream), 5);
p_ac3dec->audblk.deltoffst[i][j] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 5));
- DumpBits( &(p_ac3dec->bit_stream), 5 );
- NeedBits( &(p_ac3dec->bit_stream), 4 );
+ DumpBits (&(p_ac3dec->bit_stream), 5);
+ NeedBits (&(p_ac3dec->bit_stream), 4);
p_ac3dec->audblk.deltlen[i][j] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 4));
- DumpBits( &(p_ac3dec->bit_stream), 4 );
- NeedBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 4);
+ NeedBits (&(p_ac3dec->bit_stream), 3);
p_ac3dec->audblk.deltba[i][j] = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 3));
- DumpBits( &(p_ac3dec->bit_stream), 3 );
+ DumpBits (&(p_ac3dec->bit_stream), 3);
}
}
}
}
/* Check to see if there's any dummy info to get */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
p_ac3dec->audblk.skiple = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 1));
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ DumpBits (&(p_ac3dec->bit_stream), 1);
- if ( p_ac3dec->audblk.skiple )
- {
- NeedBits( &(p_ac3dec->bit_stream), 9 );
+ if (p_ac3dec->audblk.skiple) {
+ NeedBits (&(p_ac3dec->bit_stream), 9);
p_ac3dec->audblk.skipl = (u16)(p_ac3dec->bit_stream.buffer >> (32 - 9));
- DumpBits( &(p_ac3dec->bit_stream), 9 );
+ DumpBits (&(p_ac3dec->bit_stream), 9);
- for(i = 0; i < p_ac3dec->audblk.skipl ; i++)
- {
- NeedBits( &(p_ac3dec->bit_stream), 8 );
- DumpBits( &(p_ac3dec->bit_stream), 8 );
+ for (i = 0; i < p_ac3dec->audblk.skipl ; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 8);
+ DumpBits (&(p_ac3dec->bit_stream), 8);
}
}
}
-void parse_auxdata( ac3dec_t * p_ac3dec )
+void parse_auxdata (ac3dec_t * p_ac3dec)
{
int i;
int skip_length;
skip_length = (p_ac3dec->syncinfo.frame_size * 16) - p_ac3dec->bit_stream.total_bits_read - 17 - 1;
-// fprintf( stderr, "parse debug: skip_length == %i\n", skip_length );
+// fprintf (stderr, "parse debug: skip_length == %i\n", skip_length);
- for ( i = 0; i < skip_length; i++ )
- {
- NeedBits( &(p_ac3dec->bit_stream), 1 );
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ for (i = 0; i < skip_length; i++) {
+ NeedBits (&(p_ac3dec->bit_stream), 1);
+ DumpBits (&(p_ac3dec->bit_stream), 1);
}
/* get the auxdata exists bit */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
+ DumpBits (&(p_ac3dec->bit_stream), 1);
/* Skip the CRC reserved bit */
- NeedBits( &(p_ac3dec->bit_stream), 1 );
- DumpBits( &(p_ac3dec->bit_stream), 1 );
+ NeedBits (&(p_ac3dec->bit_stream), 1);
+ DumpBits (&(p_ac3dec->bit_stream), 1);
/* Get the crc */
- NeedBits( &(p_ac3dec->bit_stream), 16 );
- DumpBits( &(p_ac3dec->bit_stream), 16 );
+ NeedBits (&(p_ac3dec->bit_stream), 16);
+ DumpBits (&(p_ac3dec->bit_stream), 16);
}
projects / vlc / blobdiff