Changeset 1012:e0923fe24fa9 in roaraudio for roard/codecfilter_wave.c

Timestamp:

12/20/08 22:48:23 (15 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

added support for writeing wave files, ha!

File:

• roard/codecfilter_wave.c (modified) (1 diff)

roard/codecfilter_wave.c

@@ -83 +83 @@
 int cf_wave_write(CODECFILTER_USERDATA_T   inst, char * buf, int len) {
  struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst;
+ struct roar_stream           * s    = ROAR_STREAM(self->stream);
+ char header[44];
+ int32_t  tmp32;
+ int16_t  tmp16;
+ int16_t  bits;
+ int16_t  codec;
 
- return 0;
+ ROAR_WARN("cf_wave_write(inst=%p, buf=%p, len=%i) = ?", inst, buf, len);
+ ROAR_WARN("cf_wave_write(inst=%p, buf=%p, len=%i): self->opened=%i", inst, buf, len, self->opened);
+
+ if ( self->opened ) {
+  return stream_vio_s_write(self->stream, buf, len);
+ } else {
+
+  if ( s->fh == -1 ) {
+   errno = EAGAIN;
+   return -1;
+  }
+
+  memcpy(header   , "RIFF\367\377\377\177WAVEfmt \020", 17);
+  memcpy(header+36, "data\313\377\377\177", 8);
+
+  switch (s->info.codec) {
+   case ROAR_CODEC_PCM_S_LE:
+     codec = 0x0001;
+    break;
+   default:
+     ROAR_ERR("cf_wave_write(*) Codec not supported!");
+     return -1;
+    break;
+  }
+
+  ROAR_WARN("cf_wave_write(*) Codec supported!");
+
+  bits = s->info.bits;
+  memcpy(header+24, &(s->info.rate    ), 4);
+  memcpy(header+22, &(s->info.channels), 2);
+  memcpy(header+34, &bits, 2);
+
+  tmp16 = s->info.channels * bits / 8;
+  memcpy(header+32, &tmp16, 2);
+  tmp32 = tmp16 * s->info.rate;
+  memcpy(header+28, &tmp32, 4);
+  memcpy(header+20, &codec, 2);
+
+  if ( stream_vio_s_write(self->stream, header, 44) != 44 )
+   return -1;
+
+  self->opened = 1;
+
+  errno = EAGAIN;
+//  return -1;
+
+  len = stream_vio_s_write(self->stream, buf, len);
+
+  cf_wave_close(inst);
+  ROAR_STREAM_SERVER(s)->codecfilter = -1;
+
+  return len;
+
+//  return stream_vio_s_write(self->stream, buf, len);
+ }
+
+ return -1;
 }