Originally committed as revision 1479 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Nick Kurshev 22 years ago
parent bfbc8de9d8
commit 56f7fda16b
  1. 12
      libavcodec/a52dec.c
  2. 14
      libavcodec/liba52/a52.h
  3. 14
      libavcodec/liba52/parse.c

@ -98,12 +98,12 @@ static int a52_decode_init(AVCodecContext *avctx)
#else
/* static linked version */
s->handle = 0;
s->a52_init = ff_a52_init;
s->a52_samples = ff_a52_samples;
s->a52_syncinfo = ff_a52_syncinfo;
s->a52_frame = ff_a52_frame;
s->a52_block = ff_a52_block;
s->a52_free = ff_a52_free;
s->a52_init = a52_init;
s->a52_samples = a52_samples;
s->a52_syncinfo = a52_syncinfo;
s->a52_frame = a52_frame;
s->a52_block = a52_block;
s->a52_free = a52_free;
#endif
s->state = s->a52_init(0); /* later use CPU flags */
s->samples = s->a52_samples(s->state);

@ -50,15 +50,15 @@ typedef struct a52_state_s a52_state_t;
#define A52_LFE 16
#define A52_ADJUST_LEVEL 32
extern a52_state_t * ff_a52_init (uint32_t mm_accel);
extern sample_t * ff_a52_samples (a52_state_t * state);
extern int ff_a52_syncinfo (uint8_t * buf, int * flags,
a52_state_t * a52_init (uint32_t mm_accel);
sample_t * a52_samples (a52_state_t * state);
int a52_syncinfo (uint8_t * buf, int * flags,
int * sample_rate, int * bit_rate);
extern int ff_a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
int a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
sample_t * level, sample_t bias);
extern void ff_a52_dynrng (a52_state_t * state,
void a52_dynrng (a52_state_t * state,
sample_t (* call) (sample_t, void *), void * data);
extern int ff_a52_block (a52_state_t * state);
extern void ff_a52_free (a52_state_t * state);
int a52_block (a52_state_t * state);
void a52_free (a52_state_t * state);
#endif /* A52_H */

@ -45,7 +45,7 @@ typedef struct {
static uint8_t halfrate[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3};
a52_state_t * ff_a52_init (uint32_t mm_accel)
a52_state_t * a52_init (uint32_t mm_accel)
{
a52_state_t * state;
int i;
@ -70,12 +70,12 @@ a52_state_t * ff_a52_init (uint32_t mm_accel)
return state;
}
sample_t * ff_a52_samples (a52_state_t * state)
sample_t * a52_samples (a52_state_t * state)
{
return state->samples;
}
int ff_a52_syncinfo (uint8_t * buf, int * flags,
int a52_syncinfo (uint8_t * buf, int * flags,
int * sample_rate, int * bit_rate)
{
static int rate[] = { 32, 40, 48, 56, 64, 80, 96, 112,
@ -120,7 +120,7 @@ int ff_a52_syncinfo (uint8_t * buf, int * flags,
}
}
int ff_a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
int a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
sample_t * level, sample_t bias)
{
static sample_t clev[4] = {LEVEL_3DB, LEVEL_45DB, LEVEL_6DB, LEVEL_45DB};
@ -192,7 +192,7 @@ int ff_a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
return 0;
}
void ff_a52_dynrng (a52_state_t * state,
void a52_dynrng (a52_state_t * state,
sample_t (* call) (sample_t, void *), void * data)
{
state->dynrnge = 0;
@ -512,7 +512,7 @@ static void coeff_get_coupling (a52_state_t * state, int nfchans,
}
}
int ff_a52_block (a52_state_t * state)
int a52_block (a52_state_t * state)
{
static const uint8_t nfchans_tbl[] = {2, 1, 2, 3, 3, 4, 4, 5, 1, 1, 2};
static int rematrix_band[4] = {25, 37, 61, 253};
@ -887,7 +887,7 @@ int ff_a52_block (a52_state_t * state)
return 0;
}
void ff_a52_free (a52_state_t * state)
void a52_free (a52_state_t * state)
{
free (state->samples);
free (state);

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