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a52 resampler init moved to init 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3912 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-12-30 21:55:58 +00:00
parent d5ea3b4e44
commit b6eef45455
1 changed files with 30 additions and 16 deletions
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46
dec_audio.c
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@ -37,6 +37,7 @@ extern int verbose; // defined in mplayer.c
static sample_t * a52_samples;
static a52_state_t a52_state;
static uint32_t a52_accel=0;
static uint32_t a52_flags=0;
#ifdef USE_G72X
#include "g72x/g72x.h"
@ -537,6 +538,8 @@ if(gCpuCaps.has3DNow){
break;
}
case AFM_A52: {
sample_t level=1, bias=384;
int flags=0;
// Dolby AC3 audio:
if(gCpuCaps.hasSSE) a52_accel|=MM_ACCEL_X86_SSE;
if(gCpuCaps.hasMMX) a52_accel|=MM_ACCEL_X86_MMX;
@ -558,7 +561,30 @@ case AFM_A52: {
sh_audio->channels=a52_printinfo(sh_audio);
if(audio_output_channels<sh_audio->channels)
sh_audio->channels=audio_output_channels;
// channels setup:
switch(sh_audio->channels){
case 1: a52_flags=A52_MONO; break;
// case 2: a52_flags=A52_STEREO; break;
case 2: a52_flags=A52_DOLBY; break;
// case 3: a52_flags=A52_3F; break;
case 3: a52_flags=A52_2F1R; break;
case 4: a52_flags=A52_2F2R; break; // 2+2
case 5: a52_flags=A52_3F2R; break;
case 6: a52_flags=A52_3F2R|A52_LFE; break; // 5.1
}
// test:
flags=a52_flags|A52_ADJUST_LEVEL;
mp_msg(MSGT_DECAUDIO,MSGL_V,"A52 flags before a52_frame: 0x%X\n",flags);
if (a52_frame (&a52_state, sh_audio->a_in_buffer, &flags, &level, bias)){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"a52: error decoding frame -> nosound\n");
driver=0;break;
}
mp_msg(MSGT_DECAUDIO,MSGL_V,"A52 flags after a52_frame: 0x%X\n",flags);
// frame decoded, let's init resampler:
if(!a52_resample_init(a52_accel,flags,sh_audio->channels)){
mp_msg(MSGT_DECAUDIO,MSGL_ERR,"a52: no resampler. try different channel setup!\n");
driver=0;break;
}
break;
}
case AFM_HWAC3: {
@ -1119,23 +1145,11 @@ int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen){
break;
#endif
case AFM_A52: { // AC3 decoder
int flags=0;
int i;
sample_t level=1, bias=384;
int flags=a52_flags|A52_ADJUST_LEVEL;
int i;
if(!sh_audio->a_in_buffer_len)
if(a52_fillbuff(sh_audio)<0) break; // EOF
switch(sh_audio->channels){
case 1: flags=A52_MONO; break;
// case 2: flags=A52_STEREO; break;
case 2: flags=A52_DOLBY; break;
// case 3: flags=A52_3F; break;
case 3: flags=A52_2F1R; break;
case 4: flags=A52_2F2R; break; // 2+2
case 5: flags=A52_3F2R; break;
case 6: flags=A52_3F2R|A52_LFE; break; // 5.1
}
flags|=A52_ADJUST_LEVEL;
sh_audio->a_in_buffer_len=0;
if (a52_frame (&a52_state, sh_audio->a_in_buffer, &flags, &level, bias)){
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"a52: error decoding frame\n");
@ -1144,7 +1158,7 @@ int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen){
// a52_dynrng (&state, NULL, NULL); // disable dynamic range compensation
// frame decoded, let's resample:
a52_resample_init(a52_accel,flags,sh_audio->channels);
//a52_resample_init(a52_accel,flags,sh_audio->channels);
len=0;
for (i = 0; i < 6; i++) {
if (a52_block (&a52_state, a52_samples)){