diff options
author | Thom Johansen <thomj@rockbox.org> | 2006-09-01 12:09:20 +0000 |
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committer | Thom Johansen <thomj@rockbox.org> | 2006-09-01 12:09:20 +0000 |
commit | 7197c0e588bef139327772e96c2ac74bf6540208 (patch) | |
tree | 8e3c39bb93e00b4e7e37bc035e3174634dd5e8a8 /apps/codecs | |
parent | 5e182e08620fd5aa7743bf83d759f6847cd76b45 (diff) |
Put Musepack output data array back in IRAM for faster DSP processing. Patch by Andrew Cupper.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10844 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs')
-rw-r--r-- | apps/codecs/libmusepack/decoder.h | 4 | ||||
-rw-r--r-- | apps/codecs/libmusepack/mpc_decoder.c | 16 | ||||
-rw-r--r-- | apps/codecs/mpc.c | 2 |
3 files changed, 13 insertions, 9 deletions
diff --git a/apps/codecs/libmusepack/decoder.h b/apps/codecs/libmusepack/decoder.h index 7ffa572db2..d65f6dcfb3 100644 --- a/apps/codecs/libmusepack/decoder.h +++ b/apps/codecs/libmusepack/decoder.h @@ -124,8 +124,8 @@ typedef struct mpc_decoder_t { MPC_SAMPLE_FORMAT V_L[MPC_V_MEM + 960]; MPC_SAMPLE_FORMAT V_R[MPC_V_MEM + 960]; - MPC_SAMPLE_FORMAT Y_L[36][32]; - MPC_SAMPLE_FORMAT Y_R[36][32]; + MPC_SAMPLE_FORMAT (*Y_L)[32]; + MPC_SAMPLE_FORMAT (*Y_R)[32]; MPC_SAMPLE_FORMAT SCF[256]; ///< holds adapted scalefactors (for clipping prevention) //@} diff --git a/apps/codecs/libmusepack/mpc_decoder.c b/apps/codecs/libmusepack/mpc_decoder.c index 4bf36bddc6..89d7254356 100644 --- a/apps/codecs/libmusepack/mpc_decoder.c +++ b/apps/codecs/libmusepack/mpc_decoder.c @@ -121,6 +121,8 @@ static inline mpc_int32_t mpc_decoder_huffman_decode_fastest(mpc_decoder *d, con static void mpc_move_next(mpc_decoder *d); mpc_uint32_t Speicher[MPC_DECODER_MEMSIZE]; +MPC_SAMPLE_FORMAT Y_L[36][32]; +MPC_SAMPLE_FORMAT Y_R[36][32]; //------------------------------------------------------------------------------ // utility functions @@ -380,8 +382,8 @@ mpc_decoder_reset_synthesis(mpc_decoder *d) static void mpc_decoder_reset_y(mpc_decoder *d) { - memset(d->Y_L, 0, sizeof d->Y_L); - memset(d->Y_R, 0, sizeof d->Y_R); + memset(d->Y_L, 0, sizeof Y_L); + memset(d->Y_R, 0, sizeof Y_R); } static void @@ -395,8 +397,8 @@ mpc_decoder_reset_globals(mpc_decoder *d) d->StreamVersion = 0; d->MS_used = 0; - memset(d->Y_L , 0, sizeof d->Y_L ); - memset(d->Y_R , 0, sizeof d->Y_R ); + memset(d->Y_L , 0, sizeof Y_L ); + memset(d->Y_R , 0, sizeof Y_R ); memset(d->SCF_Index_L , 0, sizeof d->SCF_Index_L ); memset(d->SCF_Index_R , 0, sizeof d->SCF_Index_R ); memset(d->Res_L , 0, sizeof d->Res_L ); @@ -1487,6 +1489,8 @@ void mpc_decoder_setup(mpc_decoder *d, mpc_reader *r) LOOKUP ( mpc_table_HuffDSCF, 16, LUTDSCF ); d->Speicher = Speicher; + d->Y_L = Y_L; + d->Y_R = Y_R; #if defined(CPU_COLDFIRE)&& !defined(SIMULATOR) coldfire_set_macsr(EMAC_FRACTIONAL | EMAC_SATURATE); @@ -1642,8 +1646,8 @@ mpc_bool_t mpc_decoder_seek_seconds(mpc_decoder *d, double seconds) void mpc_decoder_reset_state(mpc_decoder *d) { - memset(d->Y_L , 0, sizeof d->Y_L ); - memset(d->Y_R , 0, sizeof d->Y_R ); + memset(d->Y_L , 0, sizeof Y_L ); + memset(d->Y_R , 0, sizeof Y_R ); #ifdef SCF_HACK memset(d->SCF_Index_L , -128, sizeof d->SCF_Index_L ); memset(d->SCF_Index_R , -128, sizeof d->SCF_Index_R ); diff --git a/apps/codecs/mpc.c b/apps/codecs/mpc.c index c1fa0d7a99..563b31355a 100644 --- a/apps/codecs/mpc.c +++ b/apps/codecs/mpc.c @@ -63,7 +63,7 @@ mpc_bool_t canseek_impl(void *data) return true; } -MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH]; +MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH] IBSS_ATTR; mpc_uint32_t seek_table[10000]; #ifdef USE_IRAM |