libavcodec: Add ff_ prefix to some nonstatic symbols

Prefix the functions atrac_generate_tables, atrac_iqmf, dct_quantize_c.
Signed-off-by: Martin Storsjö <martin@martin.st>

libavcodec/atrac.c

@@ -48,7 +48,7 @@ static const float qmf_48tap_half[24] = {
  * Generate common tables
  */
 
-void atrac_generate_tables(void)
+void ff_atrac_generate_tables(void)
 {
     int i;
     float s;
@@ -79,7 +79,7 @@ void atrac_generate_tables(void)
  */
 
 
-void atrac_iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp)
+void ff_atrac_iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp)
 {
     int   i, j;
     float   *p1, *p3;

libavcodec/atrac.h

@@ -30,7 +30,7 @@
 
 extern float ff_atrac_sf_table[64];
 
-void atrac_generate_tables(void);
-void atrac_iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp);
+void ff_atrac_generate_tables(void);
+void ff_atrac_iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp);
 
 #endif /* AVCODEC_ATRAC_H */

libavcodec/atrac1.c

@@ -262,14 +262,14 @@ static void at1_subband_synthesis(AT1Ctx *q, AT1SUCtx* su, float *pOut)
     float iqmf_temp[512 + 46];
 
     /* combine low and middle bands */
-    atrac_iqmf(q->bands[0], q->bands[1], 128, temp, su->fst_qmf_delay, iqmf_temp);
+    ff_atrac_iqmf(q->bands[0], q->bands[1], 128, temp, su->fst_qmf_delay, iqmf_temp);
 
     /* delay the signal of the high band by 23 samples */
     memcpy( su->last_qmf_delay,    &su->last_qmf_delay[256], sizeof(float) *  23);
     memcpy(&su->last_qmf_delay[23], q->bands[2],             sizeof(float) * 256);
 
     /* combine (low + middle) and high bands */
-    atrac_iqmf(temp, su->last_qmf_delay, 256, pOut, su->snd_qmf_delay, iqmf_temp);
+    ff_atrac_iqmf(temp, su->last_qmf_delay, 256, pOut, su->snd_qmf_delay, iqmf_temp);
 }
 
 
@@ -378,7 +378,7 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx)
 
     ff_init_ff_sine_windows(5);
 
-    atrac_generate_tables();
+    ff_atrac_generate_tables();
 
     dsputil_init(&q->dsp, avctx);
     ff_fmt_convert_init(&q->fmt_conv, avctx);

libavcodec/atrac3.c

@@ -812,9 +812,9 @@ static int decodeFrame(ATRAC3Context *q, const uint8_t* databuf,
         p2= p1+256;
         p3= p2+256;
         p4= p3+256;
-        atrac_iqmf (p1, p2, 256, p1, q->pUnits[i].delayBuf1, q->tempBuf);
-        atrac_iqmf (p4, p3, 256, p3, q->pUnits[i].delayBuf2, q->tempBuf);
-        atrac_iqmf (p1, p3, 512, p1, q->pUnits[i].delayBuf3, q->tempBuf);
+        ff_atrac_iqmf (p1, p2, 256, p1, q->pUnits[i].delayBuf1, q->tempBuf);
+        ff_atrac_iqmf (p4, p3, 256, p3, q->pUnits[i].delayBuf2, q->tempBuf);
+        ff_atrac_iqmf (p1, p3, 512, p1, q->pUnits[i].delayBuf3, q->tempBuf);
     }
 
     return 0;
@@ -1014,7 +1014,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         return ret;
     }
 
-    atrac_generate_tables();
+    ff_atrac_generate_tables();
 
     /* Generate gain tables. */
     for (i=0 ; i<16 ; i++)

libavcodec/dnxhdenc.c

@@ -264,7 +264,7 @@ static int dnxhd_encode_init(AVCodecContext *avctx)
     dsputil_init(&ctx->m.dsp, avctx);
     ff_dct_common_init(&ctx->m);
     if (!ctx->m.dct_quantize)
-        ctx->m.dct_quantize = dct_quantize_c;
+        ctx->m.dct_quantize = ff_dct_quantize_c;
 
     if (ctx->cid_table->bit_depth == 10) {
        ctx->m.dct_quantize = dnxhd_10bit_dct_quantize;

libavcodec/mpegvideo_common.h

@@ -39,7 +39,7 @@
 #include "faandct.h"
 #include <limits.h>
 
-int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
+int ff_dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
 
 /**
  * Set the given MpegEncContext to common defaults (same for encoding and decoding).

libavcodec/mpegvideo_enc.c

@@ -768,7 +768,7 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
         return -1;
 
     if (!s->dct_quantize)
-        s->dct_quantize = dct_quantize_c;
+        s->dct_quantize = ff_dct_quantize_c;
     if (!s->denoise_dct)
         s->denoise_dct  = denoise_dct_c;
     s->fast_dct_quantize = s->dct_quantize;
@@ -1976,7 +1976,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
     }
 
     // non c quantize code returns incorrect block_last_index FIXME
-    if (s->alternate_scan && s->dct_quantize != dct_quantize_c) {
+    if (s->alternate_scan && s->dct_quantize != ff_dct_quantize_c) {
         for (i = 0; i < mb_block_count; i++) {
             int j;
             if (s->block_last_index[i] > 0) {
@@ -3940,7 +3940,7 @@ STOP_TIMER("iterative search")
     return last_non_zero;
 }
 
-int dct_quantize_c(MpegEncContext *s,
+int ff_dct_quantize_c(MpegEncContext *s,
                         DCTELEM *block, int n,
                         int qscale, int *overflow)
 {