kill warnings patch by (Måns Rullgård <mru inprovide com>)

Originally committed as revision 3977 to svn://svn.ffmpeg.org/ffmpeg/trunk

27 files changed, 61 insertions, 42 deletions

diff --git a/libavcodec/adx.c b/libavcodec/adx.c
index e41a757266..a52575c13f 100644
--- a/libavcodec/adx.c
+++ b/libavcodec/adx.c
@@ -314,6 +314,7 @@ static int adx_decode_init(AVCodecContext * avctx)
     return 0;
 }
 
+#if 0
 static void dump(unsigned char *buf,size_t len)
 {
     int i;
@@ -324,6 +325,8 @@ static void dump(unsigned char *buf,size_t len)
     }
     av_log(NULL, AV_LOG_ERROR, "\n");
 }
+#endif
+
 static int adx_decode_frame(AVCodecContext *avctx,
                 void *data, int *data_size,
                 uint8_t *buf0, int buf_size)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 2a02473928..cebc064765 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2201,6 +2201,8 @@ void avcodec_register_all(void);
 
 void avcodec_flush_buffers(AVCodecContext *avctx);
 
+void avcodec_default_free_buffers(AVCodecContext *s);
+
 /* misc usefull functions */
 
 /**
diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h
index 67fa3b988c..cc03eba960 100644
--- a/libavcodec/cabac.h
+++ b/libavcodec/cabac.h
@@ -264,6 +264,7 @@ static void refill(CABACContext *c){
     c->bytestream+= CABAC_BITS/8;
 }
 
+#if 0 /* all use commented */
 static void refill2(CABACContext *c){
     int i, x;
 
@@ -282,7 +283,7 @@ static void refill2(CABACContext *c){
     c->low += x<<i;
     c->bytestream+= CABAC_BITS/8;
 }
-
+#endif
 
 static inline void renorm_cabac_decoder(CABACContext *c){
     while(c->range < (0x200 << CABAC_BITS)){
@@ -303,7 +304,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
 
 static inline int get_cabac(CABACContext *c, uint8_t * const state){
     int RangeLPS= c->lps_range[*state][c->range>>(CABAC_BITS+7)]<<(CABAC_BITS+1);
-    int bit, lps_mask;
+    int bit, lps_mask attribute_unused;
     
     c->range -= RangeLPS;
 #if 1
diff --git a/libavcodec/cljr.c b/libavcodec/cljr.c
index c17316b3e0..8072eee182 100644
--- a/libavcodec/cljr.c
+++ b/libavcodec/cljr.c
@@ -119,12 +119,14 @@ static int decode_init(AVCodecContext *avctx){
     return 0;
 }
 
+#if 0
 static int encode_init(AVCodecContext *avctx){
 
     common_init(avctx);
     
     return 0;
 }
+#endif
 
 AVCodec cljr_decoder = {
     "cljr",
diff --git a/libavcodec/common.h b/libavcodec/common.h
index ec81297ba2..8268ee79b9 100644
--- a/libavcodec/common.h
+++ b/libavcodec/common.h
@@ -85,6 +85,14 @@ extern const struct AVOption avoptions_workaround_bug[11];
 #endif
 #endif
 
+#ifndef attribute_unused
+#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
+#    define attribute_unused __attribute__((unused))
+#else
+#    define attribute_unused
+#endif
+#endif
+
 #ifndef EMULATE_INTTYPES
 #   include <inttypes.h>
 #else
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 0fd76a66bd..926832ff16 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -31,6 +31,9 @@
 #include "simple_idct.h"
 #include "faandct.h"
 
+/* snow.c */
+void ff_spatial_dwt(int *buffer, int width, int height, int stride, int type, int decomposition_count);
+
 uint8_t cropTbl[256 + 2 * MAX_NEG_CROP] = {0, };
 uint32_t squareTbl[512] = {0, };
 
@@ -2378,7 +2381,7 @@ H264_MC(avg_, 16)
 #define op_scale2(x)  dst[x] = clip_uint8( (src[x]*weights + dst[x]*weightd + offset) >> (log2_denom+1))
 #define H264_WEIGHT(W,H) \
 static void weight_h264_pixels ## W ## x ## H ## _c(uint8_t *block, int stride, int log2_denom, int weight, int offset){ \
-    int x, y; \
+    int attribute_unused x, y; \
     offset <<= log2_denom; \
     if(log2_denom) offset += 1<<(log2_denom-1); \
     for(y=0; y<H; y++, block += stride){ \
@@ -2404,7 +2407,7 @@ static void weight_h264_pixels ## W ## x ## H ## _c(uint8_t *block, int stride,
     } \
 } \
 static void biweight_h264_pixels ## W ## x ## H ## _c(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offsetd, int offsets){ \
-    int x, y; \
+    int attribute_unused x, y; \
     int offset = (offsets + offsetd + 1) >> 1; \
     offset = ((offset << 1) + 1) << log2_denom; \
     for(y=0; y<H; y++, dst += stride, src += stride){ \
diff --git a/libavcodec/faad.c b/libavcodec/faad.c
index 236b250d5d..eff051bd45 100644
--- a/libavcodec/faad.c
+++ b/libavcodec/faad.c
@@ -86,7 +86,7 @@ typedef struct {
 		                         faacDecFrameInfo *hInfo,
 		                         unsigned char *buffer,
 								 unsigned long buffer_size);
-	unsigned char* FAADAPI (*faacDecGetErrorMessage)(unsigned char errcode);
+	char* FAADAPI (*faacDecGetErrorMessage)(unsigned char errcode);
 #endif
     
     void FAADAPI (*faacDecClose)(faacDecHandle hDecoder);
@@ -126,11 +126,6 @@ static int faac_init_mp4(AVCodecContext *avctx)
     return r;
 }
 
-static int faac_init_aac(AVCodecContext *avctx)
-{
-    return 0;
-}
-
 static int faac_decode_frame(AVCodecContext *avctx,
                              void *data, int *data_size,
                              uint8_t *buf, int buf_size)
@@ -239,7 +234,7 @@ static int faac_decode_init(AVCodecContext *avctx)
 				       unsigned char*)));
 	dfaac(Decode, (void *FAADAPI (*)(faacDecHandle, faacDecFrameInfo*,
 		             unsigned char*, unsigned long)));
-	dfaac(GetErrorMessage, (unsigned char* FAADAPI (*)(unsigned char)));
+	dfaac(GetErrorMessage, (char* FAADAPI (*)(unsigned char)));
 #endif
 #undef dfacc
 
diff --git a/libavcodec/flac.c b/libavcodec/flac.c
index a640b900b4..de1c5255ce 100644
--- a/libavcodec/flac.c
+++ b/libavcodec/flac.c
@@ -143,6 +143,7 @@ static int64_t get_utf8(GetBitContext *gb)
     return val;
 }
 
+#if 0
 static int skip_utf8(GetBitContext *gb)
 {
     int ones=0, bytes;
@@ -163,6 +164,7 @@ static int skip_utf8(GetBitContext *gb)
     }
     return 0;
 }
+#endif
 
 static int get_crc8(const uint8_t *buf, int count){
     int crc=0;
diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index ad496344b9..d0a6e95347 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -1940,7 +1940,6 @@ static void init_uni_h263_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_t
                 int level= slevel < 0 ? -slevel : slevel;
                 int sign= slevel < 0 ? 1 : 0;
                 int bits, len, code;
-                int level1, run1;
                 
                 len_tab[index]= 100;
                      
diff --git a/libavcodec/mem.c b/libavcodec/mem.c
index 04fcd5b395..462d674e45 100644
--- a/libavcodec/mem.c
+++ b/libavcodec/mem.c
@@ -45,7 +45,9 @@
 void *av_malloc(unsigned int size)
 {
     void *ptr;
+#ifdef MEMALIGN_HACK
     int diff;
+#endif
 
     /* lets disallow possible ambiguous cases */
     if(size > INT_MAX)
@@ -97,7 +99,10 @@ void *av_malloc(unsigned int size)
  */
 void *av_realloc(void *ptr, unsigned int size)
 {
+#ifdef MEMALIGN_HACK
     int diff;
+#endif
+
     /* lets disallow possible ambiguous cases */
     if(size > INT_MAX)
         return NULL;
diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c
index 6ea01b3b84..4c2b4793bf 100644
--- a/libavcodec/mjpeg.c
+++ b/libavcodec/mjpeg.c
@@ -676,7 +676,7 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in
     if(avctx->pix_fmt == PIX_FMT_RGBA32){
         int x, y, i;
         const int linesize= p->linesize[0];
-        uint16_t (*buffer)[4]= s->rd_scratchpad;
+        uint16_t (*buffer)[4]= (void *) s->rd_scratchpad;
         int left[3], top[3], topleft[3];
 
         for(i=0; i<3; i++){
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c
index eebd8c2a34..2c1ff50946 100644
--- a/libavcodec/motion_est.c
+++ b/libavcodec/motion_est.c
@@ -317,6 +317,7 @@ static inline void no_motion_search(MpegEncContext * s,
     *my_ptr = 16 * s->mb_y;
 }
 
+#if 0  /* the use of these functions is inside #if 0 */
 static int full_motion_search(MpegEncContext * s,
                               int *mx_ptr, int *my_ptr, int range,
                               int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
@@ -537,7 +538,7 @@ static int phods_motion_search(MpegEncContext * s,
     *my_ptr = my;
     return dminy;
 }
-
+#endif /* 0 */
 
 #define Z_THRESHOLD 256
 
@@ -730,7 +731,6 @@ static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
     int dmin_sum=0, mx4_sum=0, my4_sum=0;
     int same=1;
     const int stride= c->stride;
-    const int uvstride= c->uvstride;
     uint8_t *mv_penalty= c->current_mv_penalty;
 
     init_mv4_ref(c);
@@ -881,7 +881,6 @@ static int interlaced_search(MpegEncContext *s, int ref_index,
     uint8_t * const mv_penalty= c->current_mv_penalty;
     int same=1;
     const int stride= 2*s->linesize;
-    const int uvstride= 2*s->uvlinesize;
     int dmin_sum= 0;
     const int mot_stride= s->mb_stride;
     const int xy= s->mb_x + s->mb_y*mot_stride;
diff --git a/libavcodec/motion_est_template.c b/libavcodec/motion_est_template.c
index 1f5c742a41..d8101ec334 100644
--- a/libavcodec/motion_est_template.c
+++ b/libavcodec/motion_est_template.c
@@ -25,11 +25,11 @@
 
 //lets hope gcc will remove the unused vars ...(gcc 3.2.2 seems to do it ...)
 #define LOAD_COMMON\
-    uint32_t * const score_map= c->score_map;\
-    const int xmin= c->xmin;\
-    const int ymin= c->ymin;\
-    const int xmax= c->xmax;\
-    const int ymax= c->ymax;\
+    uint32_t attribute_unused * const score_map= c->score_map;\
+    const int attribute_unused xmin= c->xmin;\
+    const int attribute_unused ymin= c->ymin;\
+    const int attribute_unused xmax= c->xmax;\
+    const int attribute_unused ymax= c->ymax;\
     uint8_t *mv_penalty= c->current_mv_penalty;\
     const int pred_x= c->pred_x;\
     const int pred_y= c->pred_y;\
diff --git a/libavcodec/mp3lameaudio.c b/libavcodec/mp3lameaudio.c
index ce02ff0c10..3f10a1025c 100644
--- a/libavcodec/mp3lameaudio.c
+++ b/libavcodec/mp3lameaudio.c
@@ -132,7 +132,7 @@ int MP3lame_encode_frame(AVCodecContext *avctx,
                      unsigned char *frame, int buf_size, void *data)
 {
 	Mp3AudioContext *s = avctx->priv_data;
-	int len, i;
+	int len;
 	int lame_result;
 
 	/* lame 3.91 dies on '1-channel interleaved' data */
diff --git a/libavcodec/mpegaudio.c b/libavcodec/mpegaudio.c
index e4b2576356..d521acc588 100644
--- a/libavcodec/mpegaudio.c
+++ b/libavcodec/mpegaudio.c
@@ -468,6 +468,7 @@ static void compute_scale_factors(unsigned char scale_code[SBLIMIT],
             break;
         default:
             assert(0); //cant happen
+            code = 0;           /* kill warning */
         }
         
 #if 0
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index bfff570a2d..d828ed65e9 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -257,11 +257,13 @@ static inline int l3_unscale(int value, int exponent)
 
 static int dev_4_3_coefs[DEV_ORDER];
 
+#if 0 /* unused */
 static int pow_mult3[3] = {
     POW_FIX(1.0),
     POW_FIX(1.25992104989487316476),
     POW_FIX(1.58740105196819947474),
 };
+#endif
 
 static void int_pow_init(void)
 {
@@ -274,6 +276,7 @@ static void int_pow_init(void)
     }
 }
 
+#if 0 /* unused, remove? */
 /* return the mantissa and the binary exponent */
 static int int_pow(int i, int *exp_ptr)
 {
@@ -318,6 +321,7 @@ static int int_pow(int i, int *exp_ptr)
     *exp_ptr = eq;
     return a;
 }
+#endif
 
 static int decode_init(AVCodecContext * avctx)
 {
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 0860fd97ad..002c2a64d7 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1820,7 +1820,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
                       for(i=0; i<4; i++){
                         int sx= mb_x*16 + 4 + 8*(i&1);
                         int sy= mb_y*16 + 4 + 8*(i>>1);
-                        int xy= (mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*mv_stride) << mv_sample_log2-1;
+                        int xy= (mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*mv_stride) << (mv_sample_log2-1);
                         int mx= (pict->motion_val[direction][xy][0]>>shift) + sx;
                         int my= (pict->motion_val[direction][xy][1]>>shift) + sy;
                         draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100);
@@ -1830,7 +1830,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
                       for(i=0; i<2; i++){
                         int sx=mb_x*16 + 8;
                         int sy=mb_y*16 + 4 + 8*i;
-                        int xy= (mb_x*2 + (mb_y*2 + i)*mv_stride) << mv_sample_log2-1;
+                        int xy= (mb_x*2 + (mb_y*2 + i)*mv_stride) << (mv_sample_log2-1);
                         int mx=(pict->motion_val[direction][xy][0]>>shift);
                         int my=(pict->motion_val[direction][xy][1]>>shift);
                         
@@ -1844,7 +1844,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
                       for(i=0; i<2; i++){
                         int sx=mb_x*16 + 4 + 8*i;
                         int sy=mb_y*16 + 8;
-                        int xy= (mb_x*2 + i + mb_y*2*mv_stride) << mv_sample_log2-1;
+                        int xy= (mb_x*2 + i + mb_y*2*mv_stride) << (mv_sample_log2-1);
                         int mx=(pict->motion_val[direction][xy][0]>>shift);
                         int my=(pict->motion_val[direction][xy][1]>>shift);
                         
@@ -2077,7 +2077,6 @@ static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
     int x, y, plane;
     int score=0;
     int64_t score64=0;
-    int64_t threshold;
 
     for(plane=0; plane<3; plane++){
         const int stride= p->linesize[plane];
diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index 780b7043ab..421a95f039 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -504,6 +504,7 @@ typedef struct MpegAudioParseContext {
 #define MPA_HEADER_SIZE 4
 
 /* header + layer + bitrate + freq + lsf/mpeg25 */
+#undef SAME_HEADER_MASK /* mpegaudio.h defines different version */
 #define SAME_HEADER_MASK \
    (0xffe00000 | (3 << 17) | (3 << 10) | (3 << 19))
 
diff --git a/libavcodec/rangecoder.c b/libavcodec/rangecoder.c
index 159607c652..ba3022c45c 100644
--- a/libavcodec/rangecoder.c
+++ b/libavcodec/rangecoder.c
@@ -58,7 +58,7 @@ void ff_init_range_decoder(RangeCoder *c, const uint8_t *buf, int buf_size){
 void ff_build_rac_states(RangeCoder *c, int factor, int max_p){
     const int64_t one= 1LL<<32;
     int64_t p;
-    int last_p8, p8, i, j;
+    int last_p8, p8, i;
 
     memset(c->zero_state, 0, sizeof(c->zero_state));
     memset(c-> one_state, 0, sizeof(c-> one_state));
diff --git a/libavcodec/rangecoder.h b/libavcodec/rangecoder.h
index 1d68b9ac9a..6fd7b43bfb 100644
--- a/libavcodec/rangecoder.h
+++ b/libavcodec/rangecoder.h
@@ -94,7 +94,7 @@ static inline void refill(RangeCoder *c){
 
 static inline int get_rac(RangeCoder *c, uint8_t * const state){
     int range1= (c->range * (*state)) >> 8;
-    int one_mask;
+    int attribute_unused one_mask;
     
     c->range -= range1;
 #if 1
diff --git a/libavcodec/resample.c b/libavcodec/resample.c
index 02c1fd8fe6..77e5f5f47d 100644
--- a/libavcodec/resample.c
+++ b/libavcodec/resample.c
@@ -128,7 +128,6 @@ ReSampleContext *audio_resample_init(int output_channels, int input_channels,
                                       int output_rate, int input_rate)
 {
     ReSampleContext *s;
-    int i;
     
     if ( input_channels > 2)
       {
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index 9fb1e8df1a..884be9c7c9 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -287,6 +287,7 @@ void rv20_encode_picture_header(MpegEncContext *s, int picture_number){
     }
 }
 
+#if 0 /* unused, remove? */
 static int get_num(GetBitContext *gb)
 {
     int n, n1;
@@ -299,6 +300,7 @@ static int get_num(GetBitContext *gb)
         return (n << 16) | n1;
     }
 }
+#endif
 
 #endif //CONFIG_ENCODERS
 
diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c
index 3981f3bd7d..d9c05faecd 100644
--- a/libavcodec/sonic.c
+++ b/libavcodec/sonic.c
@@ -845,7 +845,7 @@ static int sonic_decode_close(AVCodecContext *avctx)
 }
 
 static int sonic_decode_frame(AVCodecContext *avctx,
-			    int16_t *data, int *data_size,
+			    void *data, int *data_size,
 			    uint8_t *buf, int buf_size)
 {
     SonicContext *s = avctx->priv_data;
diff --git a/libavcodec/svq1.c b/libavcodec/svq1.c
index f5c3c7774a..068dd51d37 100644
--- a/libavcodec/svq1.c
+++ b/libavcodec/svq1.c
@@ -600,6 +600,7 @@ static uint16_t svq1_packet_checksum (uint8_t *data, int length, int value) {
   return value;
 }
 
+#if 0 /* unused, remove? */
 static uint16_t svq1_component_checksum (uint16_t *pixels, int pitch,
                                          int width, int height, int value) {
   int x, y;
@@ -614,6 +615,7 @@ static uint16_t svq1_component_checksum (uint16_t *pixels, int pitch,
 
   return value;
 }
+#endif
 
 static void svq1_parse_string (GetBitContext *bitbuf, uint8_t *out) {
   uint8_t seed;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 99de9d38c6..5c9c2425f8 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -677,18 +677,6 @@ AVCodec *avcodec_find_decoder_by_name(const char *name)
     return NULL;
 }
 
-static AVCodec *avcodec_find(enum CodecID id)
-{
-    AVCodec *p;
-    p = first_avcodec;
-    while (p) {
-        if (p->id == id)
-            return p;
-        p = p->next;
-    }
-    return NULL;
-}
-
 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
 {
     const char *codec_name;
diff --git a/libavcodec/vcr1.c b/libavcodec/vcr1.c
index 5a55d9f7fa..442ad91367 100644
--- a/libavcodec/vcr1.c
+++ b/libavcodec/vcr1.c
@@ -151,12 +151,14 @@ static int decode_init(AVCodecContext *avctx){
     return 0;
 }
 
+#if 0
 static int encode_init(AVCodecContext *avctx){
  
     common_init(avctx);
     
     return 0;
 }
+#endif
 
 AVCodec vcr1_decoder = {
     "vcr1",
diff --git a/libavcodec/wmv2.c b/libavcodec/wmv2.c
index 0f505a8f19..b6376d80b6 100644
--- a/libavcodec/wmv2.c
+++ b/libavcodec/wmv2.c
@@ -101,6 +101,7 @@ static int wmv2_encode_init(AVCodecContext *avctx){
     return 0;
 }
 
+#if 0 /* unused, remove? */
 static int wmv2_encode_end(AVCodecContext *avctx){
     
     if(MPV_encode_end(avctx) < 0)
@@ -111,6 +112,7 @@ static int wmv2_encode_end(AVCodecContext *avctx){
     
     return 0;
 }
+#endif
 
 int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
 {