Add WMA Pro to the main build. WMA Pro now plays on target and decodes in 151% realtime in a 320kbps sample on a sansa e200. Lots of cleanup still need to be done, and optimisations should start soon too.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27417 a1c6a512-1295-4272-9138-f99709370657

16 files changed, 76 insertions, 204 deletions

diff --git a/apps/codecs/libwmapro/SOURCES b/apps/codecs/libwmapro/SOURCES
index 1d5909b..cfb1a97 100644
--- a/apps/codecs/libwmapro/SOURCES
+++ b/apps/codecs/libwmapro/SOURCES
@@ -3,6 +3,4 @@ wma.c
 mdct_tables.c
 bitstream.c
 wmapro_mdct.c
-libavutil/log.c
-libavutil/mem.c
 libavutil/mathematics.c
diff --git a/apps/codecs/libwmapro/bitstream.c b/apps/codecs/libwmapro/bitstream.c
index deb1d63..4ae9727 100644
--- a/apps/codecs/libwmapro/bitstream.c
+++ b/apps/codecs/libwmapro/bitstream.c
@@ -32,6 +32,8 @@
 #include "get_bits.h"
 #include "put_bits.h"
 
+#define av_log(...)
+
 const uint8_t ff_log2_run[32]={
  0, 0, 0, 0, 1, 1, 1, 1,
  2, 2, 2, 2, 3, 3, 3, 3,
@@ -108,10 +110,10 @@ static int alloc_table(VLC *vlc, int size, int use_static)
     vlc->table_size += size;
     if (vlc->table_size > vlc->table_allocated) {
         if(use_static)
-            abort(); //cant do anything, init_vlc() is used with too little memory
+            return -1; //cant do anything, init_vlc() is used with too little memory
         vlc->table_allocated += (1 << vlc->bits);
-        vlc->table = av_realloc(vlc->table,
-                                sizeof(VLC_TYPE) * 2 * vlc->table_allocated);
+        //vlc->table = av_realloc(vlc->table,
+        //                        sizeof(VLC_TYPE) * 2 * vlc->table_allocated);
         if (!vlc->table)
             return -1;
     }
@@ -218,14 +220,14 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,
                 if (n <= 0)
                     break;
                 code = codes[k].code;
-                if (code >> (32 - table_nb_bits) != code_prefix)
+                if (code >> (32 - table_nb_bits) != (unsigned)code_prefix)
                     break;
                 codes[k].bits = n;
                 codes[k].code = code << table_nb_bits;
                 subtable_bits = FFMAX(subtable_bits, n);
             }
             subtable_bits = FFMIN(subtable_bits, table_nb_bits);
-            j = (flags & INIT_VLC_LE) ? bitswap_32(code_prefix) >> (32 - table_nb_bits) : code_prefix;
+            j = (flags & INIT_VLC_LE) ? bitswap_32(code_prefix) >> (32 - table_nb_bits) : (unsigned)code_prefix;
             table[j][1] = -subtable_bits;
 #ifdef DEBUG_VLC
             av_log(NULL,AV_LOG_DEBUG,"%4x: n=%d (subtable)\n",
@@ -284,7 +286,7 @@ int init_vlc_sparse(VLC *vlc, int nb_bits, int nb_codes,
         if(vlc->table_size && vlc->table_size == vlc->table_allocated){
             return 0;
         }else if(vlc->table_size){
-            abort(); // fatal error, we are called on a partially initialized table
+            return -1; // fatal error, we are called on a partially initialized table
         }
     }else {
         vlc->table = NULL;
@@ -321,17 +323,11 @@ int init_vlc_sparse(VLC *vlc, int nb_bits, int nb_codes,
     nb_codes = j;
 
     if (build_table(vlc, nb_bits, nb_codes, buf, flags) < 0) {
-        av_freep(&vlc->table);
+        //av_freep(&vlc->table);
         return -1;
     }
-    if((flags & INIT_VLC_USE_NEW_STATIC) && vlc->table_size != vlc->table_allocated)
-        av_log(NULL, AV_LOG_ERROR, "needed %d had %d\n", vlc->table_size, vlc->table_allocated);
+    //if((flags & INIT_VLC_USE_NEW_STATIC) && vlc->table_size != vlc->table_allocated)
+     //   av_log(NULL, AV_LOG_ERROR, "needed %d had %d\n", vlc->table_size, vlc->table_allocated);
     return 0;
 }
 
-
-void free_vlc(VLC *vlc)
-{
-    av_freep(&vlc->table);
-}
-
diff --git a/apps/codecs/libwmapro/get_bits.h b/apps/codecs/libwmapro/get_bits.h
index a21d052..ecbfc69 100644
--- a/apps/codecs/libwmapro/get_bits.h
+++ b/apps/codecs/libwmapro/get_bits.h
@@ -40,13 +40,7 @@
 #endif
 
 #if !defined(LIBMPEG2_BITSTREAM_READER) && !defined(A32_BITSTREAM_READER) && !defined(ALT_BITSTREAM_READER)
-#   if ARCH_ARM && !HAVE_FAST_UNALIGNED
-#       define A32_BITSTREAM_READER
-#   else
 #       define ALT_BITSTREAM_READER
-//#define LIBMPEG2_BITSTREAM_READER
-//#define A32_BITSTREAM_READER
-#   endif
 #endif
 
 /* bit input */
diff --git a/apps/codecs/libwmapro/libavutil/avutil.h b/apps/codecs/libwmapro/libavutil/avutil.h
index 1b858f1..fd6e313 100644
--- a/apps/codecs/libwmapro/libavutil/avutil.h
+++ b/apps/codecs/libwmapro/libavutil/avutil.h
@@ -79,7 +79,7 @@ enum AVMediaType {
 };
 
 #include "common.h"
-#include "error.h"
+//#include "error.h"
 #include "mathematics.h"
 //#include "rational.h"
 //#include "intfloat_readwrite.h"
diff --git a/apps/codecs/libwmapro/libavutil/bswap.h b/apps/codecs/libwmapro/libavutil/bswap.h
index 5743e12..e155017 100644
--- a/apps/codecs/libwmapro/libavutil/bswap.h
+++ b/apps/codecs/libwmapro/libavutil/bswap.h
@@ -30,18 +30,6 @@
 //#include "config.h"
 #include "attributes.h"
 
-#if   ARCH_ARM
-#   include "arm/bswap.h"
-#elif ARCH_AVR32
-#   include "avr32/bswap.h"
-#elif ARCH_BFIN
-#   include "bfin/bswap.h"
-#elif ARCH_SH4
-#   include "sh4/bswap.h"
-#elif ARCH_X86
-#   include "x86/bswap.h"
-#endif
-
 #ifndef bswap_16
 static av_always_inline av_const uint16_t bswap_16(uint16_t x)
 {
@@ -82,6 +70,7 @@ static inline uint64_t av_const bswap_64(uint64_t x)
 // be2me ... big-endian to machine-endian
 // le2me ... little-endian to machine-endian
 
+#define HAVE_BIGENDIAN 0
 #if HAVE_BIGENDIAN
 #define be2me_16(x) (x)
 #define be2me_32(x) (x)
diff --git a/apps/codecs/libwmapro/libavutil/internal.h b/apps/codecs/libwmapro/libavutil/internal.h
index 97087e4..87a4d3e 100644
--- a/apps/codecs/libwmapro/libavutil/internal.h
+++ b/apps/codecs/libwmapro/libavutil/internal.h
@@ -55,7 +55,8 @@
 #endif
 
 #ifndef av_alias
-#if HAVE_ATTRIBUTE_MAY_ALIAS && (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(3,3)
+//#if HAVE_ATTRIBUTE_MAY_ALIAS && (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(3,3)
+#if 0
 #   define av_alias __attribute__((may_alias))
 #else
 #   define av_alias
@@ -106,7 +107,8 @@
 #define LABEL_MANGLE(a) EXTERN_PREFIX #a
 
 // Use rip-relative addressing if compiling PIC code on x86-64.
-#if ARCH_X86_64 && defined(PIC)
+//#if ARCH_X86_64 && defined(PIC)
+#if 0
 #    define LOCAL_MANGLE(a) #a "(%%rip)"
 #else
 #    define LOCAL_MANGLE(a) #a
@@ -127,7 +129,8 @@
 
 /* math */
 
-#if ARCH_X86
+//#if ARCH_X86
+#if 0
 #define MASK_ABS(mask, level)\
             __asm__ volatile(\
                 "cltd                   \n\t"\
@@ -198,10 +201,10 @@
  * without modification. Used to disable the definition of strings
  * (for example AVCodec long_names).
  */
-#if CONFIG_SMALL
-#   define NULL_IF_CONFIG_SMALL(x) NULL
-#else
-#   define NULL_IF_CONFIG_SMALL(x) x
-#endif
+//#if CONFIG_SMALL
+//#   define NULL_IF_CONFIG_SMALL(x) NULL
+//#else
+//#   define NULL_IF_CONFIG_SMALL(x) x
+//#endif
 
 #endif /* AVUTIL_INTERNAL_H */
diff --git a/apps/codecs/libwmapro/libavutil/intreadwrite.h b/apps/codecs/libwmapro/libavutil/intreadwrite.h
index 87098d7..a88ffa8 100644
--- a/apps/codecs/libwmapro/libavutil/intreadwrite.h
+++ b/apps/codecs/libwmapro/libavutil/intreadwrite.h
@@ -52,24 +52,10 @@ typedef union {
  * as inline functions.
  */
 
-#if   ARCH_ARM
-#   include "arm/intreadwrite.h"
-#elif ARCH_AVR32
-#   include "avr32/intreadwrite.h"
-#elif ARCH_MIPS
-#   include "mips/intreadwrite.h"
-#elif ARCH_PPC
-#   include "ppc/intreadwrite.h"
-#elif ARCH_TOMI
-#   include "tomi/intreadwrite.h"
-#elif ARCH_X86
-#   include "x86/intreadwrite.h"
-#endif
-
 /*
  * Map AV_RNXX <-> AV_R[BL]XX for all variants provided by per-arch headers.
  */
-
+#define HAVE_BIGENDIAN 0
 #if HAVE_BIGENDIAN
 
 #   if    defined(AV_RN16) && !defined(AV_RB16)
@@ -172,6 +158,8 @@ typedef union {
 
 #endif /* !HAVE_BIGENDIAN */
 
+#define HAVE_ATTRIBUTE_PACKED 0
+#define HAVE_FAST_UNALIGNED 0
 /*
  * Define AV_[RW]N helper macros to simplify definitions not provided
  * by per-arch headers.
diff --git a/apps/codecs/libwmapro/libavutil/log.c b/apps/codecs/libwmapro/libavutil/log.c
index 6cbe0da..f93a0d6 100644
--- a/apps/codecs/libwmapro/libavutil/log.c
+++ b/apps/codecs/libwmapro/libavutil/log.c
@@ -26,13 +26,16 @@
 
 #include "avutil.h"
 #include "log.h"
+/* disable sprintf functions */
+#define snprintf(...)
+#define vsnprintf snprintf
 
 #if LIBAVUTIL_VERSION_MAJOR > 50
 static
 #endif
 int av_log_level = AV_LOG_INFO;
 
-void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
+void av_log_default_callback(void* ptr, int level)
 {
     static int print_prefix=1;
     static int count;
@@ -61,9 +64,9 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
     strcpy(prev, line);
 }
 
-static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback;
+static void (*av_log_callback)(void*, int = av_log_default_callback;
 
-void av_log(void* avcl, int level, const char *fmt, ...)
+void av_log(void* avcl, int level)
 {
     va_list vl;
     va_start(vl, fmt);
diff --git a/apps/codecs/libwmapro/libavutil/log.h b/apps/codecs/libwmapro/libavutil/log.h
index b0a1493..43228e4 100644
--- a/apps/codecs/libwmapro/libavutil/log.h
+++ b/apps/codecs/libwmapro/libavutil/log.h
@@ -110,6 +110,6 @@ void av_vlog(void*, int level, const char *fmt, va_list);
 int av_log_get_level(void);
 void av_log_set_level(int);
 void av_log_set_callback(void (*)(void*, int, const char*, va_list));
-void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
+void av_log_default_callback(void* ptr, int level);
 
 #endif /* AVUTIL_LOG_H */
diff --git a/apps/codecs/libwmapro/libavutil/mathematics.c b/apps/codecs/libwmapro/libavutil/mathematics.c
index 7af0104..f607d68 100644
--- a/apps/codecs/libwmapro/libavutil/mathematics.c
+++ b/apps/codecs/libwmapro/libavutil/mathematics.c
@@ -103,13 +103,13 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd){
         a0 = a0*b0 + t1a;
         a1 = a1*b1 + (t1>>32) + (a0<t1a);
         a0 += r;
-        a1 += a0<r;
+        a1 += a0<(unsigned)r;
 
         for(i=63; i>=0; i--){
 //            int o= a1 & 0x8000000000000000ULL;
             a1+= a1 + ((a0>>i)&1);
             t1+=t1;
-            if(/*o || */c <= a1){
+            if(/*o || */(unsigned)c <= a1){
                 a1 -= c;
                 t1++;
             }
diff --git a/apps/codecs/libwmapro/mathops.h b/apps/codecs/libwmapro/mathops.h
index 149910b..f6555dd 100644
--- a/apps/codecs/libwmapro/mathops.h
+++ b/apps/codecs/libwmapro/mathops.h
@@ -24,20 +24,6 @@
 
 #include "libavutil/common.h"
 
-#if   ARCH_ARM
-#   include "arm/mathops.h"
-#elif ARCH_AVR32
-#   include "avr32/mathops.h"
-#elif ARCH_BFIN
-#   include "bfin/mathops.h"
-#elif ARCH_MIPS
-#   include "mips/mathops.h"
-#elif ARCH_PPC
-#   include "ppc/mathops.h"
-#elif ARCH_X86
-#   include "x86/mathops.h"
-#endif
-
 /* generic implementation */
 
 #ifndef MULL
diff --git a/apps/codecs/libwmapro/put_bits.h b/apps/codecs/libwmapro/put_bits.h
index 9f66256..91401ff 100644
--- a/apps/codecs/libwmapro/put_bits.h
+++ b/apps/codecs/libwmapro/put_bits.h
@@ -37,7 +37,7 @@
 
 //#define ALT_BITSTREAM_WRITER
 //#define ALIGNED_BITSTREAM_WRITER
-
+#define HAVE_FAST_UNALIGNED 0
 /* buf and buf_end must be present and used by every alternative writer. */
 typedef struct PutBitContext {
 #ifdef ALT_BITSTREAM_WRITER
diff --git a/apps/codecs/libwmapro/wma.c b/apps/codecs/libwmapro/wma.c
index b606f59..30fb9e0 100644
--- a/apps/codecs/libwmapro/wma.c
+++ b/apps/codecs/libwmapro/wma.c
@@ -467,7 +467,8 @@ unsigned int ff_wma_get_large_val(GetBitContext* gb)
  * @param coef_nb_bits number of bits for escaped level codes
  * @return 0 on success, -1 otherwise
  */
-int ff_wma_run_level_decode(AVCodecContext* avctx, GetBitContext* gb,
+#define av_log(...)
+int ff_wma_run_level_decode(GetBitContext* gb,
                             VLC *vlc,
                             const int32_t *level_table, const uint16_t *run_table,
                             int version, int32_t *ptr, int offset,
diff --git a/apps/codecs/libwmapro/wma.h b/apps/codecs/libwmapro/wma.h
index d23b7ea..e4a1601 100644
--- a/apps/codecs/libwmapro/wma.h
+++ b/apps/codecs/libwmapro/wma.h
@@ -24,8 +24,6 @@
 
 #include "get_bits.h"
 #include "put_bits.h"
-#include "dsputil.h"
-#include "fft.h"
 
 /* size of blocks */
 #define BLOCK_MIN_BITS 7
@@ -62,90 +60,6 @@ typedef struct CoefVLCTable {
     const uint16_t *levels;     ///< table to build run/level tables
 } CoefVLCTable;
 
-typedef struct WMACodecContext {
-    AVCodecContext* avctx;
-    GetBitContext gb;
-    PutBitContext pb;
-    int sample_rate;
-    int nb_channels;
-    int bit_rate;
-    int version;                            ///< 1 = 0x160 (WMAV1), 2 = 0x161 (WMAV2)
-    int block_align;
-    int use_bit_reservoir;
-    int use_variable_block_len;
-    int use_exp_vlc;                        ///< exponent coding: 0 = lsp, 1 = vlc + delta
-    int use_noise_coding;                   ///< true if perceptual noise is added
-    int byte_offset_bits;
-    VLC exp_vlc;
-    int exponent_sizes[BLOCK_NB_SIZES];
-    uint16_t exponent_bands[BLOCK_NB_SIZES][25];
-    int high_band_start[BLOCK_NB_SIZES];    ///< index of first coef in high band
-    int coefs_start;                        ///< first coded coef
-    int coefs_end[BLOCK_NB_SIZES];          ///< max number of coded coefficients
-    int exponent_high_sizes[BLOCK_NB_SIZES];
-    int exponent_high_bands[BLOCK_NB_SIZES][HIGH_BAND_MAX_SIZE];
-    VLC hgain_vlc;
-
-    /* coded values in high bands */
-    int high_band_coded[MAX_CHANNELS][HIGH_BAND_MAX_SIZE];
-    int high_band_values[MAX_CHANNELS][HIGH_BAND_MAX_SIZE];
-
-    /* there are two possible tables for spectral coefficients */
-//FIXME the following 3 tables should be shared between decoders
-    VLC coef_vlc[2];
-    uint16_t *run_table[2];
-    float *level_table[2];
-    uint16_t *int_table[2];
-    const CoefVLCTable *coef_vlcs[2];
-    /* frame info */
-    int frame_len;                          ///< frame length in samples
-    int frame_len_bits;                     ///< frame_len = 1 << frame_len_bits
-    int nb_block_sizes;                     ///< number of block sizes
-    /* block info */
-    int reset_block_lengths;
-    int block_len_bits;                     ///< log2 of current block length
-    int next_block_len_bits;                ///< log2 of next block length
-    int prev_block_len_bits;                ///< log2 of prev block length
-    int block_len;                          ///< block length in samples
-    int block_num;                          ///< block number in current frame
-    int block_pos;                          ///< current position in frame
-    uint8_t ms_stereo;                      ///< true if mid/side stereo mode
-    uint8_t channel_coded[MAX_CHANNELS];    ///< true if channel is coded
-    int exponents_bsize[MAX_CHANNELS];      ///< log2 ratio frame/exp. length
-    DECLARE_ALIGNED(16, float, exponents)[MAX_CHANNELS][BLOCK_MAX_SIZE];
-    float max_exponent[MAX_CHANNELS];
-    WMACoef coefs1[MAX_CHANNELS][BLOCK_MAX_SIZE];
-    DECLARE_ALIGNED(16, float, coefs)[MAX_CHANNELS][BLOCK_MAX_SIZE];
-    DECLARE_ALIGNED(16, FFTSample, output)[BLOCK_MAX_SIZE * 2];
-    FFTContext mdct_ctx[BLOCK_NB_SIZES];
-    float *windows[BLOCK_NB_SIZES];
-    /* output buffer for one frame and the last for IMDCT windowing */
-    DECLARE_ALIGNED(16, float, frame_out)[MAX_CHANNELS][BLOCK_MAX_SIZE * 2];
-    /* last frame info */
-    uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + 4]; /* padding added */
-    int last_bitoffset;
-    int last_superframe_len;
-    float noise_table[NOISE_TAB_SIZE];
-    int noise_index;
-    float noise_mult; /* XXX: suppress that and integrate it in the noise array */
-    /* lsp_to_curve tables */
-    float lsp_cos_table[BLOCK_MAX_SIZE];
-    float lsp_pow_e_table[256];
-    float lsp_pow_m_table1[(1 << LSP_POW_BITS)];
-    float lsp_pow_m_table2[(1 << LSP_POW_BITS)];
-    DSPContext dsp;
-
-#ifdef TRACE
-    int frame_count;
-#endif
-} WMACodecContext;
-
-extern const uint16_t ff_wma_critical_freqs[25];
-extern const uint16_t ff_wma_hgain_huffcodes[37];
-extern const uint8_t ff_wma_hgain_huffbits[37];
-extern const float ff_wma_lsp_codebook[NB_LSP_COEFS][16];
-extern const uint32_t ff_aac_scalefactor_code[121];
-extern const uint8_t  ff_aac_scalefactor_bits[121];
 
 int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version,
                                       unsigned int decode_flags);
@@ -153,7 +67,7 @@ int ff_wma_init(AVCodecContext * avctx, int flags2);
 int ff_wma_total_gain_to_bits(int total_gain);
 int ff_wma_end(AVCodecContext *avctx);
 unsigned int ff_wma_get_large_val(GetBitContext* gb);
-int ff_wma_run_level_decode(AVCodecContext* avctx, GetBitContext* gb,
+int ff_wma_run_level_decode(GetBitContext* gb,
                             VLC *vlc,
                             const int32_t *level_table, const uint16_t *run_table,
                             int version, int32_t *ptr, int offset,
diff --git a/apps/codecs/libwmapro/wmapro_mdct.c b/apps/codecs/libwmapro/wmapro_mdct.c
index aaa95dc..8f651d2 100644
--- a/apps/codecs/libwmapro/wmapro_mdct.c
+++ b/apps/codecs/libwmapro/wmapro_mdct.c
@@ -4,6 +4,7 @@
 #include "../lib/mdct_lookup.h" /* for revtab */
 #include "../lib/fft.h"     /* for FFT data structures */
 #include "codeclib.h"
+#define ROCKBOX_BIG_ENDIAN 0
 #include "../lib/codeclib_misc.h" /* for XNPROD31 */
 #include "wmapro_math.h"
 
diff --git a/apps/codecs/libwmapro/wmaprodec.c b/apps/codecs/libwmapro/wmaprodec.c
index 8a8171a..2dd2a6a 100644
--- a/apps/codecs/libwmapro/wmaprodec.c
+++ b/apps/codecs/libwmapro/wmaprodec.c
@@ -103,6 +103,13 @@
 /* Uncomment the following line to enable some debug output */
 //#define WMAPRO_DUMP_CTX_EN
 
+#undef DEBUGF
+#ifdef WMAPRO_DUMP_CTX_EN
+#	define DEBUGF printf
+#else
+#	define DEBUGF(...)
+#endif
+
 /* Some defines to make it compile */
 #define AVERROR_INVALIDDATA  -1
 #define AVERROR_PATCHWELCOME -2
@@ -177,7 +184,6 @@ typedef struct {
 typedef struct WMAProDecodeCtx {
     /* generic decoder variables */
     AVCodecContext*  avctx;                         ///< codec context for av_log
-    DSPContext       dsp;                           ///< accelerated DSP functions
     uint8_t          frame_data[MAX_FRAMESIZE +
                       FF_INPUT_BUFFER_PADDING_SIZE];///< compressed frame data
     PutBitContext    pb;                            ///< context for filling the frame_data buffer
@@ -236,6 +242,8 @@ typedef struct WMAProDecodeCtx {
     WMAProChannelCtx channel[WMAPRO_MAX_CHANNELS];  ///< per channel data
 } WMAProDecodeCtx;
 
+/* static decode context, to avoid malloc */
+static WMAProDecodeCtx globWMAProDecCtx;
 
 /**
  *@brief helper function to print the most important members of the context
@@ -264,7 +272,7 @@ static void av_cold dump_context(WMAProDecodeCtx *s)
  */
 av_cold int decode_init(AVCodecContext *avctx)
 {
-    avctx->priv_data = malloc(sizeof(WMAProDecodeCtx));
+    avctx->priv_data = &globWMAProDecCtx;
     memset(avctx->priv_data, 0, sizeof(WMAProDecodeCtx));
     WMAProDecodeCtx *s = avctx->priv_data;
     uint8_t *edata_ptr = avctx->extradata;
@@ -276,8 +284,6 @@ av_cold int decode_init(AVCodecContext *avctx)
     s->avctx = avctx;
     init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
 
-    avctx->sample_fmt = SAMPLE_FMT_FLT;
-
     if (avctx->extradata_size >= 18) {
         s->decode_flags    = AV_RL16(edata_ptr+14);
         channel_mask       = AV_RL32(edata_ptr+2);
@@ -288,7 +294,7 @@ av_cold int decode_init(AVCodecContext *avctx)
         dprintf(avctx, "\n");
 
     } else {
-        av_log_ask_for_sample(avctx, "Unknown extradata size\n");
+        DEBUGF("Unknown extradata size\n");
         return AVERROR_INVALIDDATA;
     }
 
@@ -301,7 +307,7 @@ av_cold int decode_init(AVCodecContext *avctx)
     s->len_prefix  = (s->decode_flags & 0x40);
 
     if (!s->len_prefix) {
-        av_log_ask_for_sample(avctx, "no length prefix\n");
+        DEBUGF("no length prefix\n");
         return AVERROR_INVALIDDATA;
     }
 
@@ -325,7 +331,7 @@ av_cold int decode_init(AVCodecContext *avctx)
     s->dynamic_range_compression = (s->decode_flags & 0x80);
 
     if (s->max_num_subframes > MAX_SUBFRAMES) {
-        av_log(avctx, AV_LOG_ERROR, "invalid number of subframes %i\n",
+        DEBUGF("invalid number of subframes %i\n",
                s->max_num_subframes);
         return AVERROR_INVALIDDATA;
     }
@@ -344,10 +350,10 @@ av_cold int decode_init(AVCodecContext *avctx)
     }
 
     if (s->num_channels < 0) {
-        av_log(avctx, AV_LOG_ERROR, "invalid number of channels %d\n", s->num_channels);
+        DEBUGF("invalid number of channels %d\n", s->num_channels);
         return AVERROR_INVALIDDATA;
     } else if (s->num_channels > WMAPRO_MAX_CHANNELS) {
-        av_log_ask_for_sample(avctx, "unsupported number of channels\n");
+        DEBUGF("unsupported number of channels\n");
         return AVERROR_PATCHWELCOME;
     }
 
@@ -437,8 +443,6 @@ av_cold int decode_init(AVCodecContext *avctx)
 #ifdef WMAPRO_DUMP_CTX_EN
     dump_context(s);
 #endif
-
-    avctx->channel_layout = channel_mask;
     return 0;
 }
 
@@ -469,7 +473,7 @@ static int decode_subframe_length(WMAProDecodeCtx *s, int offset)
     /** sanity check the length */
     if (subframe_len < s->min_samples_per_subframe ||
         subframe_len > s->samples_per_frame) {
-        av_log(s->avctx, AV_LOG_ERROR, "broken frame: subframe_len %i\n",
+        DEBUGF("broken frame: subframe_len %i\n",
                subframe_len);
         return AVERROR_INVALIDDATA;
     }
@@ -546,16 +550,15 @@ static int decode_tilehdr(WMAProDecodeCtx *s)
             WMAProChannelCtx* chan = &s->channel[c];
 
             if (contains_subframe[c]) {
-                if (chan->num_subframes >= MAX_SUBFRAMES) {
-                    av_log(s->avctx, AV_LOG_ERROR,
-                           "broken frame: num subframes > 31\n");
+                if (chan->num_subframes >= MAX_SUBFRAMES) { 
+                    DEBUGF("broken frame: num subframes > 31\n");
                     return AVERROR_INVALIDDATA;
                 }
                 chan->subframe_len[chan->num_subframes] = subframe_len;
                 num_samples[c] += subframe_len;
                 ++chan->num_subframes;
                 if (num_samples[c] > s->samples_per_frame) {
-                    av_log(s->avctx, AV_LOG_ERROR, "broken frame: "
+                    DEBUGF("broken frame: "
                            "channel len > samples_per_frame\n");
                     return AVERROR_INVALIDDATA;
                 }
@@ -674,8 +677,7 @@ static int decode_channel_transform(WMAProDecodeCtx* s)
         int remaining_channels = s->channels_for_cur_subframe;
 
         if (get_bits1(&s->gb)) {
-            av_log_ask_for_sample(s->avctx,
-                                  "unsupported channel transform bit\n");
+                                 DEBUGF("unsupported channel transform bit\n");
             return AVERROR_INVALIDDATA;
         }
 
@@ -711,8 +713,7 @@ static int decode_channel_transform(WMAProDecodeCtx* s)
             if (chgroup->num_channels == 2) {
                 if (get_bits1(&s->gb)) {
                     if (get_bits1(&s->gb)) {
-                        av_log_ask_for_sample(s->avctx,
-                                              "unsupported channel transform type\n");
+                        DEBUGF("unsupported channel transform type\n");
                     }
                 } else {
                     chgroup->transform = 1;
@@ -730,7 +731,7 @@ static int decode_channel_transform(WMAProDecodeCtx* s)
                     }
                 }
             } else if (chgroup->num_channels > 2) {
-            	LOGF("in wmaprodec.c: Multichannel streams still not supported\n");
+            	DEBUGF("in wmaprodec.c: Multichannel streams still not supported\n");
             	return -1;
 #if 0
                 if (get_bits1(&s->gb)) {
@@ -857,7 +858,7 @@ static int decode_coeffs(WMAProDecodeCtx *s, int c)
         memset(&ci->coeffs[cur_coeff], 0,
                sizeof(*ci->coeffs) * (s->subframe_len - cur_coeff));
                       
-        if (ff_wma_run_level_decode(s->avctx, &s->gb, vlc,
+        if (ff_wma_run_level_decode(&s->gb, vlc,
                                     level, run, 1, ci->coeffs,
                                     cur_coeff, s->subframe_len,
                                     s->subframe_len, s->esc_len, 0))
@@ -937,8 +938,7 @@ static int decode_scale_factors(WMAProDecodeCtx* s)
 
                     i += skip;
                     if (i >= s->num_bands) {
-                        av_log(s->avctx, AV_LOG_ERROR,
-                               "invalid scale factor coding\n");
+                           DEBUGF("invalid scale factor coding\n");
                         return AVERROR_INVALIDDATA;
                     }
                     s->channel[c].scale_factors[i] += (val ^ sign) - sign;
@@ -1137,7 +1137,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
 
         if (num_fill_bits >= 0) {
             if (get_bits_count(&s->gb) + num_fill_bits > s->num_saved_bits) {
-                av_log(s->avctx, AV_LOG_ERROR, "invalid number of fill bits\n");
+                DEBUGF("invalid number of fill bits\n");
                 return AVERROR_INVALIDDATA;
             }
 
@@ -1147,7 +1147,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
 
     /** no idea for what the following bit is used */
     if (get_bits1(&s->gb)) {
-        av_log_ask_for_sample(s->avctx, "reserved bit set\n");
+        DEBUGF("reserved bit set\n");
         return AVERROR_INVALIDDATA;
     }
 
@@ -1165,7 +1165,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
         int quant_step = 90 * s->bits_per_sample >> 4;
         if ((get_bits1(&s->gb))) {
             /** FIXME: might change run level mode decision */
-            av_log_ask_for_sample(s->avctx, "unsupported quant step coding\n");
+            DEBUGF("unsupported quant step coding\n");
             return AVERROR_INVALIDDATA;
         }
         /** decode quantization step */
@@ -1181,7 +1181,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
             quant_step += ((quant + step) ^ sign) - sign;
         }
         if (quant_step < 0) {
-            av_log(s->avctx, AV_LOG_DEBUG, "negative quant step\n");
+            DEBUGF("negative quant step\n");
         }
 
         /** decode quantization step modifiers for every channel */
@@ -1245,7 +1245,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
                             s->channel[c].scale_factor_step;
                 
                 if(exp < EXP_MIN || exp > EXP_MAX) {
-                    LOGF("in wmaprodec.c : unhandled value for exp, please report sample.\n");
+                    DEBUGF("in wmaprodec.c : unhandled value for exp, please report sample.\n");
                     return -1;
                 }
                 const FIXED quant = QUANT(exp);
@@ -1272,7 +1272,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
     for (i = 0; i < s->channels_for_cur_subframe; i++) {
         int c = s->channel_indexes_for_cur_subframe[i];
         if (s->channel[c].cur_subframe >= s->channel[c].num_subframes) {
-            av_log(s->avctx, AV_LOG_ERROR, "broken subframe\n");
+            DEBUGF("broken subframe\n");
             return AVERROR_INVALIDDATA;
         }
         ++s->channel[c].cur_subframe;
@@ -1297,8 +1297,7 @@ static int decode_frame(WMAProDecodeCtx *s)
     /** check for potential output buffer overflow */
     if (s->num_channels * s->samples_per_frame > s->samples_end - s->samples) {
         /** return an error if no frame could be decoded at all */
-        av_log(s->avctx, AV_LOG_ERROR,
-               "not enough space for the output samples\n");
+           DEBUGF("not enough space for the output samples\n");
         s->packet_loss = 1;
         return 0;
     }
@@ -1317,7 +1316,7 @@ static int decode_frame(WMAProDecodeCtx *s)
 
     /** read postproc transform */
     if (s->num_channels > 1 && get_bits1(gb)) {
-        av_log_ask_for_sample(s->avctx, "Unsupported postproc transform found\n");
+        DEBUGF("Unsupported postproc transform found\n");
         s->packet_loss = 1;
         return 0;
     }
@@ -1391,7 +1390,7 @@ static int decode_frame(WMAProDecodeCtx *s)
 
     if (len != (get_bits_count(gb) - s->frame_offset) + 2) {
         /** FIXME: not sure if this is always an error */
-        av_log(s->avctx, AV_LOG_ERROR, "frame[%i] would have to skip %i bits\n",
+        DEBUGF("frame[%i] would have to skip %i bits\n",
                (int)s->frame_num, len - (get_bits_count(gb) - s->frame_offset) - 1);
         s->packet_loss = 1;
         return 0;
@@ -1443,7 +1442,7 @@ static void save_bits(WMAProDecodeCtx *s, GetBitContext* gb, int len,
     buflen = (s->num_saved_bits + len + 8) >> 3;
 
     if (len <= 0 || buflen > MAX_FRAMESIZE) {
-        av_log_ask_for_sample(s->avctx, "input buffer too small\n");
+        DEBUGF("input buffer too small\n");
         s->packet_loss = 1;
         return;
     }
@@ -1516,7 +1515,7 @@ int decode_packet(AVCodecContext *avctx,
         if (!s->packet_loss &&
             ((s->packet_sequence_number + 1) & 0xF) != packet_sequence_number) {
             s->packet_loss = 1;
-            av_log(avctx, AV_LOG_ERROR, "Packet loss detected! seq %x vs %x\n",
+            DEBUGF("Packet loss detected! seq %x vs %x\n",
                    s->packet_sequence_number, packet_sequence_number);
         }
         s->packet_sequence_number = packet_sequence_number;