diff --git a/libswresample/resample.c b/libswresample/resample.c index 02f29bacf1..ded76cedfa 100644 --- a/libswresample/resample.c +++ b/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 != 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; ich_count; i++){ diff --git a/libswresample/swresample_internal.h b/libswresample/swresample_internal.h index 460a7538cf..4223adbf89 100644 --- a/libswresample/swresample_internal.h +++ b/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);