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updated for libaf rules

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7659 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-10-07 19:51:00 +00:00
parent f12673921c
commit 24d0b8f5e1
1 changed files with 34 additions and 18 deletions
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52
libao2/ao_pcm.c
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@ -80,17 +80,37 @@ static int init(int rate,int channels,int format,int flags){
strcpy(ao_outputfilename,
(ao_pcm_waveheader ? "audiodump.wav" : "audiodump.pcm"));
}
/* bits is only equal to format if (format == 8) or (format == 16);
this means that the following "if" is a kludge and should
really be a switch to be correct in all cases */
if (format == AFMT_S16_BE) { bits = 16; }
else { bits = format; }
wavhdr.channels = le2me_16(channels);
wavhdr.sample_rate = le2me_32(rate);
wavhdr.bytes_per_second = rate * (bits / 8) * channels;
wavhdr.bytes_per_second = le2me_32(wavhdr.bytes_per_second);
bits=8;
switch(format){
case AFMT_S8:
format=AFMT_U8;
case AFMT_U8:
break;
default:
#ifdef WORDS_BIGENDIAN
format=AFMT_S16_BE;
#else
format=AFMT_S16_LE;
#endif
bits=16;
break;
}
ao_data.outburst = 65536;
ao_data.buffersize= 2*65536;
ao_data.channels=channels;
ao_data.samplerate=rate;
ao_data.format=format;
ao_data.bps=channels*rate*(bits/8);
wavhdr.channels = le2me_16(ao_data.channels);
wavhdr.sample_rate = le2me_32(ao_data.samplerate);
wavhdr.bytes_per_second = le2me_32(ao_data.bps);
wavhdr.bits = le2me_16(bits);
printf("PCM: File: %s (%s)\n"
@ -102,10 +122,6 @@ static int init(int rate,int channels,int format,int flags){
"for RAW PCM -nowaveheader.\n");
fp = fopen(ao_outputfilename, "wb");
ao_data.outburst = 65536;
if(fp) {
if(ao_pcm_waveheader) /* Reserve space for wave header */
fwrite(&wavhdr,sizeof(wavhdr),1,fp);
@ -158,18 +174,18 @@ static int get_space(){
// return: number of bytes played
static int play(void* data,int len,int flags){
#ifdef WORDS_BIGENDIAN
register int i;
unsigned short *buffer = (unsigned short *) data;
if (wavhdr.bits == le2me_16(16)) {
// let libaf to do the conversion...
#if 0
//#ifdef WORDS_BIGENDIAN
if (ao_data.format == AFMT_S16_LE) {
unsigned short *buffer = (unsigned short *) data;
register int i;
for(i = 0; i < len/2; ++i) {
buffer[i] = le2me_16(buffer[i]);
}
}
/* FIXME: take care of cases with more than 8 bits here? */
#endif
//printf("PCM: Writing chunk!\n");
fwrite(data,len,1,fp);