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swr: support int32 and float as internal sample formats 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-10 13:19:29 +02:00
parent 7f1ae79d38
commit 3d9338b1c2
1 changed files with 12 additions and 9 deletions
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21
libswresample/swresample.c
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@ -119,7 +119,7 @@ struct SwrContext *swr_alloc_set_opts(struct SwrContext *s,
av_opt_set_int(s, "icl", in_ch_layout, 0);
av_opt_set_int(s, "isf", in_sample_fmt, 0);
av_opt_set_int(s, "isr", in_sample_rate, 0);
av_opt_set_int(s, "tsf", AV_SAMPLE_FMT_S16, 0);
av_opt_set_int(s, "tsf", AV_SAMPLE_FMT_NONE, 0);
av_opt_set_int(s, "ich", av_get_channel_layout_nb_channels(s-> in_ch_layout), 0);
av_opt_set_int(s, "och", av_get_channel_layout_nb_channels(s->out_ch_layout), 0);
av_opt_set_int(s, "uch", 0, 0);
@ -176,25 +176,28 @@ int swr_init(struct SwrContext *s){
return AVERROR(EINVAL);
}
if( s->int_sample_fmt != AV_SAMPLE_FMT_S16
&&s->int_sample_fmt != AV_SAMPLE_FMT_FLT){
av_log(s, AV_LOG_ERROR, "Requested sample format %s is not supported internally, only float & S16 is supported\n", av_get_sample_fmt_name(s->int_sample_fmt));
return AVERROR(EINVAL);
}
//FIXME should we allow/support using FLT on material that doesnt need it ?
if(s->in_sample_fmt <= AV_SAMPLE_FMT_S16 || s->int_sample_fmt==AV_SAMPLE_FMT_S16){
s->int_sample_fmt= AV_SAMPLE_FMT_S16;
}else
s->int_sample_fmt= AV_SAMPLE_FMT_FLT;
if( s->int_sample_fmt != AV_SAMPLE_FMT_S16
&&s->int_sample_fmt != AV_SAMPLE_FMT_S32
&&s->int_sample_fmt != AV_SAMPLE_FMT_FLT){
av_log(s, AV_LOG_ERROR, "Requested sample format %s is not supported internally, S16/S32/FLT is supported\n", av_get_sample_fmt_name(s->int_sample_fmt));
return AVERROR(EINVAL);
}
if (s->out_sample_rate!=s->in_sample_rate || (s->flags & SWR_FLAG_RESAMPLE)){
s->resample = swri_resample_init(s->resample, s->out_sample_rate, s->in_sample_rate, 16, 10, 0, 0.8, s->int_sample_fmt);
}else
swri_resample_free(&s->resample);
if(s->int_sample_fmt != AV_SAMPLE_FMT_S16 && s->resample){
av_log(s, AV_LOG_ERROR, "Resampling only supported with internal s16 currently\n"); //FIXME
if( s->int_sample_fmt != AV_SAMPLE_FMT_S16
&& s->int_sample_fmt != AV_SAMPLE_FMT_S32
&& s->int_sample_fmt != AV_SAMPLE_FMT_FLT
&& s->resample){
av_log(s, AV_LOG_ERROR, "Resampling only supported with internal s16/s32/flt\n");
return -1;
}