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swresample: factorize clear_context() out 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-22 21:36:30 +01:00
parent 246eae98cf
commit f284e2a58a
1 changed files with 20 additions and 26 deletions
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46
libswresample/swresample.c
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@ -218,33 +218,12 @@ static void free_temp(AudioData *a){
memset(a, 0, sizeof(*a));
}
av_cold void swr_free(SwrContext **ss){
SwrContext *s= *ss;
if(s){
free_temp(&s->postin);
free_temp(&s->midbuf);
free_temp(&s->preout);
free_temp(&s->in_buffer);
free_temp(&s->silence);
free_temp(&s->drop_temp);
free_temp(&s->dither.noise);
free_temp(&s->dither.temp);
swri_audio_convert_free(&s-> in_convert);
swri_audio_convert_free(&s->out_convert);
swri_audio_convert_free(&s->full_convert);
if (s->resampler)
s->resampler->free(&s->resample);
swri_rematrix_free(s);
}
av_freep(ss);
}
av_cold int swr_init(struct SwrContext *s){
int ret;
static void clear_context(SwrContext *s){
s->in_buffer_index= 0;
s->in_buffer_count= 0;
s->resample_in_constraint= 0;
memset(s->in.ch, 0, sizeof(s->in.ch));
memset(s->out.ch, 0, sizeof(s->out.ch));
free_temp(&s->postin);
free_temp(&s->midbuf);
free_temp(&s->preout);
@ -253,14 +232,29 @@ av_cold int swr_init(struct SwrContext *s){
free_temp(&s->drop_temp);
free_temp(&s->dither.noise);
free_temp(&s->dither.temp);
memset(s->in.ch, 0, sizeof(s->in.ch));
memset(s->out.ch, 0, sizeof(s->out.ch));
swri_audio_convert_free(&s-> in_convert);
swri_audio_convert_free(&s->out_convert);
swri_audio_convert_free(&s->full_convert);
swri_rematrix_free(s);
s->flushed = 0;
}
av_cold void swr_free(SwrContext **ss){
SwrContext *s= *ss;
if(s){
clear_context(s);
if (s->resampler)
s->resampler->free(&s->resample);
}
av_freep(ss);
}
av_cold int swr_init(struct SwrContext *s){
int ret;
clear_context(s);
if(s-> in_sample_fmt >= AV_SAMPLE_FMT_NB){
av_log(s, AV_LOG_ERROR, "Requested input sample format %d is invalid\n", s->in_sample_fmt);