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authorWarren Dukes <warren.dukes@gmail.com>2004-05-10 14:06:23 +0000
committerWarren Dukes <warren.dukes@gmail.com>2004-05-10 14:06:23 +0000
commit7626d9a547e9a8dfadbcf0dc148fcef4e61bb2cd (patch)
tree99abd91a2aee35d924476a8188c6b3628f72008e /src
parent9dd098f09b84fadce60a779a2f2daa0e904e94d2 (diff)
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more little bits of code in prep for resample/audioFormat conversion,
now to just write the actual audioFormat conversion code! git-svn-id: https://svn.musicpd.org/mpd/trunk@970 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to '')
-rw-r--r--src/audio.c2
-rw-r--r--src/outputBuffer.c24
-rw-r--r--src/pcm_utils.c19
-rw-r--r--src/pcm_utils.h10
4 files changed, 47 insertions, 8 deletions
diff --git a/src/audio.c b/src/audio.c
index 9e80c6762..de5296f2e 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -167,7 +167,6 @@ void initAudioConfig() {
}
switch(audio_configFormat->bits) {
- case 8:
case 16:
break;
default:
@@ -184,7 +183,6 @@ void initAudioConfig() {
}
switch(audio_configFormat->channels) {
- case 1:
case 2:
break;
default:
diff --git a/src/outputBuffer.c b/src/outputBuffer.c
index 1861fe45a..615139231 100644
--- a/src/outputBuffer.c
+++ b/src/outputBuffer.c
@@ -38,10 +38,32 @@ void flushOutputBuffer(OutputBuffer * cb) {
}
int sendDataToOutputBuffer(OutputBuffer * cb, DecoderControl * dc,
- char * data, long datalen, float time, mpd_uint16 bitRate)
+ char * dataIn, long dataInLen, float time, mpd_uint16 bitRate)
{
mpd_uint16 dataToSend;
mpd_uint16 chunkLeft;
+ char * data;
+ size_t datalen;
+ static char * convBuffer = NULL;
+ static long convBufferLen = 0;
+
+ if(memcmp(&(cb->audioFormat),&(dc->audioFormat),sizeof(AudioFormat))==0)
+ {
+ data = dataIn;
+ datalen = dataInLen;
+ }
+ else {
+ datalen = pcm_sizeOfOutputBufferForAudioFormatConversion(
+ &(dc->audioFormat), dataIn, dataInLen,
+ &(cb->audioFormat));
+ if(datalen > convBufferLen) {
+ convBuffer = realloc(convBuffer,datalen);
+ convBufferLen = datalen;
+ }
+ data = convBuffer;
+ pcm_convertAudioFormat(&(dc->audioFormat), dataIn, dataInLen,
+ &(cb->audioFormat),data);
+ }
while(datalen) {
if(currentChunk != cb->end) {
diff --git a/src/pcm_utils.c b/src/pcm_utils.c
index 3d39b20e3..741cb3d7b 100644
--- a/src/pcm_utils.c
+++ b/src/pcm_utils.c
@@ -136,4 +136,21 @@ void pcm_mix(char * buffer1, char * buffer2, size_t bufferSize1,
pcm_add(buffer1,buffer2,bufferSize1,bufferSize2,vol1,1000-vol1,format);
}
-/* vim:set shiftwidth=4 tabstop=8 expandtab: */
+
+void pcm_convertAudioFormat(AudioFormat * inFormat, char * inBuffer, size_t
+ inSize, AudioFormat * outFormat, char * outBuffer)
+{
+ abort();
+
+ return;
+}
+
+size_t pcm_sizeOfOutputBufferForAudioFormatConversion(AudioFormat * inFormat,
+ char * inBuffer, size_t inSize, AudioFormat * outFormat)
+{
+ abort();
+
+ return 0;
+}
+
+/* vim:set shiftwidth=8 tabstop=8 expandtab: */
diff --git a/src/pcm_utils.h b/src/pcm_utils.h
index 839005ccf..bf1e68799 100644
--- a/src/pcm_utils.h
+++ b/src/pcm_utils.h
@@ -33,8 +33,10 @@ void pcm_volumeChange(char * buffer, int bufferSize, AudioFormat * format,
void pcm_mix(char * buffer1, char * buffer2, size_t bufferSize1,
size_t bufferSize2, AudioFormat * format, float portion1);
-void pmc_convertAudioFormat(AudioFormat * inFormat, char * inBuffer, size_t
- inSize, size_t * inLeft, AudioFormat * outFormat,
- char * outBuffer, size_t outSize, size_t * outLeft);
+void pcm_convertAudioFormat(AudioFormat * inFormat, char * inBuffer, size_t
+ inSize, AudioFormat * outFormat, char * outBuffer);
+
+size_t pcm_sizeOfOutputBufferForAudioFormatConversion(AudioFormat * inFormat,
+ char * inBuffer, size_t inSize, AudioFormat * outFormat);
#endif
-/* vim:set shiftwidth=4 tabstop=8 expandtab: */
+/* vim:set shiftwidth=8 tabstop=8 expandtab: */