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Basic optimizations of the Vorbis decoder for the ihp-1x0.

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Capable of real-time decoding with cpu freq at 120mhz.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6527 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Pedro Vasconcelos 2005-05-27 09:14:00 +00:00
parent 3841348930
commit 024db0a766
22 changed files with 428 additions and 107 deletions
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9
apps/plugins/vorbis2wav.c
View file

@ -16,7 +16,7 @@
* KIND, either express or implied.
*
****************************************************************************/
#include "kernel.h"
#include "plugin.h"
#if (CONFIG_HWCODEC == MASNONE)
@ -86,6 +86,10 @@ extern char iramstart[];
extern char iramend[];
#endif
/* reserve the PCM buffer in the IRAM area */
static char pcmbuf[4096] IDATA_ATTR;
/* this is the plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* file)
{
@ -97,7 +101,6 @@ enum plugin_status plugin_start(struct plugin_api* api, void* file)
long n;
int current_section;
int eof;
static char pcmbuf[4096];
#if BYTE_ORDER == BIG_ENDIAN
int i;
char x;
@ -121,6 +124,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* file)
return PLUGIN_ERROR;
}
/* Create a decoder instance */
callbacks.read_func=read_handler;
@ -171,7 +175,6 @@ enum plugin_status plugin_start(struct plugin_api* api, void* file)
close_wav(&file_info);
rb->splash(HZ*2, true, "FINISHED!");
return PLUGIN_OK;
}
#endif /* CONFIG_HWCODEC == MASNONE */