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iRiver: Make better use of internal RAM, and larger buffers

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6096 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-03-01 14:39:01 +00:00
parent 2d69f4c402
commit 8fb87425f0
1 changed files with 12 additions and 2 deletions
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14
apps/plugins/mpa2wav.c
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@ -121,8 +121,8 @@ signed int dither(mad_fixed_t sample, struct dither *dither)
#define SHRT_MAX 32767 #define SHRT_MAX 32767
#define INPUT_BUFFER_SIZE (5*8192) #define INPUT_BUFFER_SIZE (10*8192)
#define OUTPUT_BUFFER_SIZE 8192 /* Must be an integer multiple of 4. */ #define OUTPUT_BUFFER_SIZE 65536 /* Must be an integer multiple of 4. */
unsigned char InputBuffer[INPUT_BUFFER_SIZE+MAD_BUFFER_GUARD]; unsigned char InputBuffer[INPUT_BUFFER_SIZE+MAD_BUFFER_GUARD];
unsigned char OutputBuffer[OUTPUT_BUFFER_SIZE]; unsigned char OutputBuffer[OUTPUT_BUFFER_SIZE];
@ -130,6 +130,12 @@ unsigned char *OutputPtr=OutputBuffer;
unsigned char *GuardPtr=NULL; unsigned char *GuardPtr=NULL;
const unsigned char *OutputBufferEnd=OutputBuffer+OUTPUT_BUFFER_SIZE; const unsigned char *OutputBufferEnd=OutputBuffer+OUTPUT_BUFFER_SIZE;
#ifndef SIMULATOR
extern char iramcopy[];
extern char iramstart[];
extern char iramend[];
#endif
/* this is the plugin entry point */ /* this is the plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* file) enum plugin_status plugin_start(struct plugin_api* api, void* file)
{ {
@ -145,6 +151,10 @@ enum plugin_status plugin_start(struct plugin_api* api, void* file)
TEST_PLUGIN_API(api); TEST_PLUGIN_API(api);
rb = api; rb = api;
#ifndef SIMULATOR
rb->memcpy(iramstart, iramcopy, iramend-iramstart);
#endif
/* This function sets up the buffers and reads the file into RAM */ /* This function sets up the buffers and reads the file into RAM */
if (local_init(file,"/libmadtest.wav",&file_info,api)) { if (local_init(file,"/libmadtest.wav",&file_info,api)) {