swr: drop 'AV' prefix from ResampleContext.

This type/struct is not part of the public API.

libswresample/resample.c

@@ -56,7 +56,7 @@
 #endif
 
 
-typedef struct AVResampleContext{
+typedef struct ResampleContext {
     const AVClass *av_class;
     FELEM *filter_bank;
     int filter_length;
@@ -70,7 +70,7 @@ typedef struct AVResampleContext{
     int phase_mask;
     int linear;
     double factor;
-}AVResampleContext;
+} ResampleContext;
 
 /**
  * 0th order modified bessel function of the first kind.
@@ -199,13 +199,13 @@ static int build_filter(FELEM *filter, double factor, int tap_count, int phase_c
     return 0;
 }
 
-AVResampleContext *swr_resample_init(AVResampleContext *c, int out_rate, int in_rate, int filter_size, int phase_shift, int linear, double cutoff){
+ResampleContext *swr_resample_init(ResampleContext *c, int out_rate, int in_rate, int filter_size, int phase_shift, int linear, double cutoff){
     double factor= FFMIN(out_rate * cutoff / in_rate, 1.0);
     int phase_count= 1<<phase_shift;
 
     if (!c || c->phase_shift != phase_shift || c->linear!=linear || c->factor != factor
            || c->filter_length != FFMAX((int)ceil(filter_size/factor), 1)) {
-        c = av_mallocz(sizeof(AVResampleContext));
+        c = av_mallocz(sizeof(*c));
         if (!c)
             return NULL;
 
@@ -238,7 +238,7 @@ error:
     return NULL;
 }
 
-void swr_resample_free(AVResampleContext **c){
+void swr_resample_free(ResampleContext **c){
     if(!*c)
         return;
     av_freep(&(*c)->filter_bank);
@@ -246,13 +246,13 @@ void swr_resample_free(AVResampleContext **c){
 }
 
 void swr_compensate(struct SwrContext *s, int sample_delta, int compensation_distance){
-    AVResampleContext *c= s->resample;
+    ResampleContext *c= s->resample;
 //    sample_delta += (c->ideal_dst_incr - c->dst_incr)*(int64_t)c->compensation_distance / c->ideal_dst_incr;
     c->compensation_distance= compensation_distance;
     c->dst_incr = c->ideal_dst_incr - c->ideal_dst_incr * (int64_t)sample_delta / compensation_distance;
 }
 
-int swr_resample(AVResampleContext *c, short *dst, const short *src, int *consumed, int src_size, int dst_size, int update_ctx){
+int swr_resample(ResampleContext *c, short *dst, const short *src, int *consumed, int src_size, int dst_size, int update_ctx){
     int dst_index, i;
     int index= c->index;
     int frac= c->frac;
@@ -341,7 +341,7 @@ av_log(NULL, AV_LOG_DEBUG, "%d %d %d\n", c->dst_incr, c->ideal_dst_incr, c->comp
     return dst_index;
 }
 
-int swr_multiple_resample(AVResampleContext *c, AudioData *dst, int dst_size, AudioData *src, int src_size, int *consumed){
+int swr_multiple_resample(ResampleContext *c, AudioData *dst, int dst_size, AudioData *src, int src_size, int *consumed){
     int i, ret= -1;
 
     for(i=0; i<dst->ch_count; i++){

libswresample/swresample_internal.h

@@ -61,7 +61,7 @@ typedef struct SwrContext {          //FIXME find unused fields
     struct AudioConvert *in_convert;
     struct AudioConvert *out_convert;
     struct AudioConvert *full_convert;
-    struct AVResampleContext *resample;
+    struct ResampleContext *resample;
 
     float matrix[SWR_CH_MAX][SWR_CH_MAX];
     int32_t matrix32[SWR_CH_MAX][SWR_CH_MAX];
@@ -70,11 +70,11 @@ typedef struct SwrContext {          //FIXME find unused fields
     //TODO callbacks for asm optims
 }SwrContext;
 
-struct AVResampleContext *swr_resample_init(struct AVResampleContext *, int out_rate, int in_rate, int filter_size, int phase_shift, int linear, double cutoff);
-void swr_resample_free(struct AVResampleContext **c);
-int swr_multiple_resample(struct AVResampleContext *c, AudioData *dst, int dst_size, AudioData *src, int src_size, int *consumed);
-void swr_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance);
-int swr_resample(struct AVResampleContext *c, short *dst, const short *src, int *consumed, int src_size, int dst_size, int update_ctx);
+struct ResampleContext *swr_resample_init(struct ResampleContext *, int out_rate, int in_rate, int filter_size, int phase_shift, int linear, double cutoff);
+void swr_resample_free(struct ResampleContext **c);
+int swr_multiple_resample(struct ResampleContext *c, AudioData *dst, int dst_size, AudioData *src, int src_size, int *consumed);
+void swr_resample_compensate(struct ResampleContext *c, int sample_delta, int compensation_distance);
+int swr_resample(struct ResampleContext *c, short *dst, const short *src, int *consumed, int src_size, int dst_size, int update_ctx);
 
 int swr_rematrix_init(SwrContext *s);
 int swr_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy);