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support for packetized aac streams (used in .mp4 files) 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6895 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-08-04 15:33:41 +00:00
parent 6322051307
commit b94132a38a
1 changed files with 21 additions and 6 deletions
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27
libmpcodecs/ad_faad.c
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@ -50,8 +50,6 @@ static int init(sh_audio_t *sh)
int faac_init;
faac_hdec = faacDecOpen();
sh->a_in_buffer_len = demux_read_data(sh->ds, sh->a_in_buffer, sh->a_in_buffer_size);
// If we don't get the ES descriptor, try manual config
if(!sh->codecdata_len) {
#if 1
@ -84,10 +82,14 @@ static int init(sh_audio_t *sh)
faacDecSetConfiguration(faac_hdec, faac_conf);
#endif
sh->a_in_buffer_len = demux_read_data(sh->ds, sh->a_in_buffer, sh->a_in_buffer_size);
/* init the codec */
faac_init = faacDecInit(faac_hdec, sh->a_in_buffer,
&faac_samplerate, &faac_channels);
sh->a_in_buffer_len -= (faac_init > 0)?faac_init:0; // how many bytes init consumed
// XXX FIXME: shouldn't we memcpy() here in a_in_buffer ?? --A'rpi
} else { // We have ES DS in codecdata
/*int i;
@ -143,7 +145,9 @@ static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen)
void *faac_sample_buffer;
while(len < minlen) {
/* update buffer */
/* update buffer for raw aac streams: */
if(!sh->codecdata_len)
if(sh->a_in_buffer_len < sh->a_in_buffer_size){
sh->a_in_buffer_len +=
demux_read_data(sh->ds,&sh->a_in_buffer[sh->a_in_buffer_len],
@ -156,7 +160,10 @@ static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen)
printf ("%02X ", sh->a_in_buffer[i]);
printf ("\n");}
#endif
do {
if(!sh->codecdata_len){
// raw aac stream:
do {
faac_sample_buffer = faacDecDecode(faac_hdec, &faac_finfo, sh->a_in_buffer+j);
/* update buffer index after faacDecDecode */
if(faac_finfo.bytesconsumed >= sh->a_in_buffer_len) {
@ -171,8 +178,16 @@ static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen)
j++;
} else
break;
} while(j < FAAD_BUFFLEN);
} while(j < FAAD_BUFFLEN);
} else {
// packetized (.mp4) aac stream:
unsigned char* bufptr=NULL;
int buflen=ds_get_packet(sh->ds, &bufptr);
if(buflen<=0) break;
faac_sample_buffer = faacDecDecode(faac_hdec, &faac_finfo, bufptr);
// printf("FAAC decoded %d of %d (err: %d) \n",faac_finfo.bytesconsumed,buflen,faac_finfo.error);
}
if(faac_finfo.error > 0) {
mp_msg(MSGT_DECAUDIO,MSGL_WARN,"FAAD: Failed to decode frame: %s \n",
faacDecGetErrorMessage(faac_finfo.error));