//TODO split options array out?
#define OFFSET(x) offsetof(SwrContext,x)
-static const AVOption options[]={
-{"ich", "input channel count", OFFSET( in.ch_count ), AV_OPT_TYPE_INT, {.dbl=2}, 0, SWR_CH_MAX, 0},
-{"och", "output channel count", OFFSET(out.ch_count ), AV_OPT_TYPE_INT, {.dbl=2}, 0, SWR_CH_MAX, 0},
-{"uch", "used channel count", OFFSET(used_ch_count ), AV_OPT_TYPE_INT, {.dbl=0}, 0, SWR_CH_MAX, 0},
-{"isr", "input sample rate" , OFFSET( in_sample_rate), AV_OPT_TYPE_INT, {.dbl=48000}, 1, INT_MAX, 0},
-{"osr", "output sample rate" , OFFSET(out_sample_rate), AV_OPT_TYPE_INT, {.dbl=48000}, 1, INT_MAX, 0},
-//{"ip" , "input planar" , OFFSET( in.planar ), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1, 0},
-//{"op" , "output planar" , OFFSET(out.planar ), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1, 0},
-{"isf", "input sample format", OFFSET( in_sample_fmt ), AV_OPT_TYPE_INT, {.dbl=AV_SAMPLE_FMT_S16}, 0, AV_SAMPLE_FMT_NB-1+256, 0},
-{"osf", "output sample format", OFFSET(out_sample_fmt ), AV_OPT_TYPE_INT, {.dbl=AV_SAMPLE_FMT_S16}, 0, AV_SAMPLE_FMT_NB-1+256, 0},
-{"tsf", "internal sample format", OFFSET(int_sample_fmt ), AV_OPT_TYPE_INT, {.dbl=AV_SAMPLE_FMT_NONE}, -1, AV_SAMPLE_FMT_FLT, 0},
-{"icl", "input channel layout" , OFFSET( in_ch_layout), AV_OPT_TYPE_INT64, {.dbl=0}, 0, INT64_MAX, 0, "channel_layout"},
-{"ocl", "output channel layout", OFFSET(out_ch_layout), AV_OPT_TYPE_INT64, {.dbl=0}, 0, INT64_MAX, 0, "channel_layout"},
-{"clev", "center mix level" , OFFSET(clev) , AV_OPT_TYPE_FLOAT, {.dbl=C_30DB}, 0, 4, 0},
-{"slev", "sourround mix level" , OFFSET(slev) , AV_OPT_TYPE_FLOAT, {.dbl=C_30DB}, 0, 4, 0},
-{"rmvol", "rematrix volume" , OFFSET(rematrix_volume), AV_OPT_TYPE_FLOAT, {.dbl=1.0}, -1000, 1000, 0},
-{"flags", NULL , OFFSET(flags) , AV_OPT_TYPE_FLAGS, {.dbl=0}, 0, UINT_MAX, 0, "flags"},
-{"res", "force resampling", 0, AV_OPT_TYPE_CONST, {.dbl=SWR_FLAG_RESAMPLE}, INT_MIN, INT_MAX, 0, "flags"},
+#define PARAM AV_OPT_FLAG_AUDIO_PARAM
+static const AVOption options[]={
+{"ich" , "Input Channel Count" , OFFSET( in.ch_count ), AV_OPT_TYPE_INT , {.dbl=2 }, 0 , SWR_CH_MAX, PARAM},
+{"in_channel_count" , "Input Channel Count" , OFFSET( in.ch_count ), AV_OPT_TYPE_INT , {.dbl=2 }, 0 , SWR_CH_MAX, PARAM},
+{"och" , "Output Channel Count" , OFFSET(out.ch_count ), AV_OPT_TYPE_INT , {.dbl=2 }, 0 , SWR_CH_MAX, PARAM},
+{"out_channel_count" , "Output Channel Count" , OFFSET(out.ch_count ), AV_OPT_TYPE_INT , {.dbl=2 }, 0 , SWR_CH_MAX, PARAM},
+{"uch" , "Used Channel Count" , OFFSET(used_ch_count ), AV_OPT_TYPE_INT , {.dbl=0 }, 0 , SWR_CH_MAX, PARAM},
+{"used_channel_count" , "Used Channel Count" , OFFSET(used_ch_count ), AV_OPT_TYPE_INT , {.dbl=0 }, 0 , SWR_CH_MAX, PARAM},
+{"isr" , "Input Sample Rate" , OFFSET( in_sample_rate), AV_OPT_TYPE_INT , {.dbl=48000 }, 1 , INT_MAX , PARAM},
+{"in_sample_rate" , "Input Sample Rate" , OFFSET( in_sample_rate), AV_OPT_TYPE_INT , {.dbl=48000 }, 1 , INT_MAX , PARAM},
+{"osr" , "Output Sample Rate" , OFFSET(out_sample_rate), AV_OPT_TYPE_INT , {.dbl=48000 }, 1 , INT_MAX , PARAM},
+{"out_sample_rate" , "Output Sample Rate" , OFFSET(out_sample_rate), AV_OPT_TYPE_INT , {.dbl=48000 }, 1 , INT_MAX , PARAM},
+{"isf" , "Input Sample Format" , OFFSET( in_sample_fmt ), AV_OPT_TYPE_INT , {.dbl=AV_SAMPLE_FMT_S16 }, 0 , AV_SAMPLE_FMT_NB-1+256, PARAM},
+{"in_sample_fmt" , "Input Sample Format" , OFFSET( in_sample_fmt ), AV_OPT_TYPE_INT , {.dbl=AV_SAMPLE_FMT_S16 }, 0 , AV_SAMPLE_FMT_NB-1+256, PARAM},
+{"osf" , "Output Sample Format" , OFFSET(out_sample_fmt ), AV_OPT_TYPE_INT , {.dbl=AV_SAMPLE_FMT_S16 }, 0 , AV_SAMPLE_FMT_NB-1+256, PARAM},
+{"out_sample_fmt" , "Output Sample Format" , OFFSET(out_sample_fmt ), AV_OPT_TYPE_INT , {.dbl=AV_SAMPLE_FMT_S16 }, 0 , AV_SAMPLE_FMT_NB-1+256, PARAM},
+{"tsf" , "Internal Sample Format" , OFFSET(int_sample_fmt ), AV_OPT_TYPE_INT , {.dbl=AV_SAMPLE_FMT_NONE }, -1 , AV_SAMPLE_FMT_FLT, PARAM},
+{"internal_sample_fmt" , "Internal Sample Format" , OFFSET(int_sample_fmt ), AV_OPT_TYPE_INT , {.dbl=AV_SAMPLE_FMT_NONE }, -1 , AV_SAMPLE_FMT_FLT, PARAM},
+{"icl" , "Input Channel Layout" , OFFSET( in_ch_layout ), AV_OPT_TYPE_INT64, {.dbl=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
+{"in_channel_layout" , "Input Channel Layout" , OFFSET( in_ch_layout ), AV_OPT_TYPE_INT64, {.dbl=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
+{"ocl" , "Output Channel Layout" , OFFSET(out_ch_layout ), AV_OPT_TYPE_INT64, {.dbl=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
+{"out_channel_layout" , "Output Channel Layout" , OFFSET(out_ch_layout ), AV_OPT_TYPE_INT64, {.dbl=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
+{"clev" , "Center Mix Level" , OFFSET(clev ), AV_OPT_TYPE_FLOAT, {.dbl=C_30DB }, -32 , 32 , PARAM},
+{"center_mix_level" , "Center Mix Level" , OFFSET(clev ), AV_OPT_TYPE_FLOAT, {.dbl=C_30DB }, -32 , 32 , PARAM},
+{"slev" , "Sourround Mix Level" , OFFSET(slev ), AV_OPT_TYPE_FLOAT, {.dbl=C_30DB }, -32 , 32 , PARAM},
+{"surround_mix_level" , "Sourround Mix Level" , OFFSET(slev ), AV_OPT_TYPE_FLOAT, {.dbl=C_30DB }, -32 , 32 , PARAM},
+{"rmvol" , "Rematrix Volume" , OFFSET(rematrix_volume), AV_OPT_TYPE_FLOAT, {.dbl=1.0 }, -1000 , 1000 , PARAM},
+{"rematrix_volume" , "Rematrix Volume" , OFFSET(rematrix_volume), AV_OPT_TYPE_FLOAT, {.dbl=1.0 }, -1000 , 1000 , PARAM},
+{"flags" , NULL , OFFSET(flags ), AV_OPT_TYPE_FLAGS, {.dbl=0 }, 0 , UINT_MAX , PARAM, "flags"},
+{"swr_flags" , NULL , OFFSET(flags ), AV_OPT_TYPE_FLAGS, {.dbl=0 }, 0 , UINT_MAX , PARAM, "flags"},
+{"res" , "Force Resampling" , 0 , AV_OPT_TYPE_CONST, {.dbl=SWR_FLAG_RESAMPLE }, INT_MIN, INT_MAX , PARAM, "flags"},
+{"dither_scale" , "Dither Scale" , OFFSET(dither_scale ), AV_OPT_TYPE_FLOAT, {.dbl=1 }, 0 , INT_MAX , PARAM},
+{"dither_method" , "Dither Method" , OFFSET(dither_method ), AV_OPT_TYPE_INT , {.dbl=0 }, 0 , SWR_DITHER_NB-1, PARAM, "dither_method"},
+{"rectangular" , "Rectangular Dither" , 0 , AV_OPT_TYPE_CONST, {.dbl=SWR_DITHER_RECTANGULAR}, INT_MIN, INT_MAX , PARAM, "dither_method"},
+{"triangular" , "Triangular Dither" , 0 , AV_OPT_TYPE_CONST, {.dbl=SWR_DITHER_TRIANGULAR }, INT_MIN, INT_MAX , PARAM, "dither_method"},
+{"triangular_hp" , "Triangular Dither With High Pass" , 0 , AV_OPT_TYPE_CONST, {.dbl=SWR_DITHER_TRIANGULAR_HIGHPASS }, INT_MIN, INT_MAX, PARAM, "dither_method"},
+{"filter_size" , "Resampling Filter Size" , OFFSET(filter_size) , AV_OPT_TYPE_INT , {.dbl=16 }, 0 , INT_MAX , PARAM },
+{"phase_shift" , "Resampling Phase Shift" , OFFSET(phase_shift) , AV_OPT_TYPE_INT , {.dbl=10 }, 0 , 30 , PARAM },
+{"linear_interp" , "Use Linear Interpolation" , OFFSET(linear_interp) , AV_OPT_TYPE_INT , {.dbl=0 }, 0 , 1 , PARAM },
+{"cutoff" , "Cutoff Frequency Ratio" , OFFSET(cutoff) , AV_OPT_TYPE_DOUBLE,{.dbl=0.8 }, 0 , 1 , PARAM },
{0}
};
return 0;
}
+const AVClass *swr_get_class(void)
+{
+ return &av_class;
+}
+
struct SwrContext *swr_alloc(void){
SwrContext *s= av_mallocz(sizeof(SwrContext));
if(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);
free_temp(&s->midbuf);
free_temp(&s->preout);
free_temp(&s->in_buffer);
+ free_temp(&s->dither);
swri_audio_convert_free(&s-> in_convert);
swri_audio_convert_free(&s->out_convert);
swri_audio_convert_free(&s->full_convert);
free_temp(&s->midbuf);
free_temp(&s->preout);
free_temp(&s->in_buffer);
+ free_temp(&s->dither);
swri_audio_convert_free(&s-> in_convert);
swri_audio_convert_free(&s->out_convert);
swri_audio_convert_free(&s->full_convert);
+ s->flushed = 0;
+
s-> in.planar= av_sample_fmt_is_planar(s-> in_sample_fmt);
s->out.planar= av_sample_fmt_is_planar(s->out_sample_fmt);
s-> in_sample_fmt= av_get_alt_sample_fmt(s-> in_sample_fmt, 0);
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->resample = swri_resample_init(s->resample, s->out_sample_rate, s->in_sample_rate, s->filter_size, s->phase_shift, s->linear_interp, s->cutoff, 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;
}
s-> in.bps= av_get_bytes_per_sample(s-> in_sample_fmt);
s->int_bps= av_get_bytes_per_sample(s->int_sample_fmt);
s->out.bps= av_get_bytes_per_sample(s->out_sample_fmt);
+ s->in_buffer= s->in;
if(!s->resample && !s->rematrix && !s->channel_map){
s->full_convert = swri_audio_convert_alloc(s->out_sample_fmt,
s->postin= s->in;
s->preout= s->out;
s->midbuf= s->in;
- s->in_buffer= s->in;
+
if(s->channel_map){
s->postin.ch_count=
- s->midbuf.ch_count=
- s->in_buffer.ch_count= s->used_ch_count;
+ s->midbuf.ch_count= s->used_ch_count;
+ if(s->resample)
+ s->in_buffer.ch_count= s->used_ch_count;
}
if(!s->resample_first){
s->midbuf.ch_count= s->out.ch_count;
- s->in_buffer.ch_count = s->out.ch_count;
+ if(s->resample)
+ s->in_buffer.ch_count = s->out.ch_count;
}
- s->in_buffer.bps = s->postin.bps = s->midbuf.bps = s->preout.bps = s->int_bps;
- s->in_buffer.planar = s->postin.planar = s->midbuf.planar = s->preout.planar = 1;
+ s->postin.bps = s->midbuf.bps = s->preout.bps = s->int_bps;
+ s->postin.planar = s->midbuf.planar = s->preout.planar = 1;
+
+ if(s->resample){
+ s->in_buffer.bps = s->int_bps;
+ s->in_buffer.planar = 1;
+ }
+ s->dither = s->preout;
if(s->rematrix)
return swri_rematrix_init(s);
countb= FFALIGN(count*a->bps, 32);
old= *a;
- av_assert0(a->planar);
av_assert0(a->bps);
av_assert0(a->ch_count);
a->ch[i]= a->data + i*(a->planar ? countb : a->bps);
if(a->planar) memcpy(a->ch[i], old.ch[i], a->count*a->bps);
}
+ if(!a->planar) memcpy(a->ch[0], old.ch[0], a->count*a->ch_count*a->bps);
av_free(old.data);
a->count= count;
* out may be equal in.
*/
static void buf_set(AudioData *out, AudioData *in, int count){
+ int ch;
if(in->planar){
- int ch;
for(ch=0; ch<out->ch_count; ch++)
out->ch[ch]= in->ch[ch] + count*out->bps;
- }else
- out->ch[0]= in->ch[0] + count*out->ch_count*out->bps;
+ }else{
+ for(ch=0; ch<out->ch_count; ch++)
+ out->ch[ch]= in->ch[0] + (ch + count*out->ch_count) * out->bps;
+ }
}
/**
return ret_sum;
}
-int swr_convert(struct SwrContext *s, uint8_t *out_arg[SWR_CH_MAX], int out_count,
- const uint8_t *in_arg [SWR_CH_MAX], int in_count){
+static int swr_convert_internal(struct SwrContext *s, AudioData *out, int out_count,
+ AudioData *in , int in_count){
AudioData *postin, *midbuf, *preout;
int ret/*, in_max*/;
- AudioData * in= &s->in;
- AudioData *out= &s->out;
AudioData preout_tmp, midbuf_tmp;
- if(!s->resample){
- if(in_count > out_count)
- return -1;
- out_count = in_count;
- }
-
- if(!in_arg){
- if(s->in_buffer_count){
- AudioData *a= &s->in_buffer;
- int i, j, ret;
- if((ret=realloc_audio(a, s->in_buffer_index + 2*s->in_buffer_count)) < 0)
- return ret;
- av_assert0(a->planar);
- for(i=0; i<a->ch_count; i++){
- for(j=0; j<s->in_buffer_count; j++){
- memcpy(a->ch[i] + (s->in_buffer_index+s->in_buffer_count+j )*a->bps,
- a->ch[i] + (s->in_buffer_index+s->in_buffer_count-j-1)*a->bps, a->bps);
- }
- }
- s->in_buffer_count += (s->in_buffer_count+1)/2;
- s->resample_in_constraint = 0;
- }else{
- return 0;
- }
- }else
- fill_audiodata(in , (void*)in_arg);
- fill_audiodata(out, out_arg);
-
if(s->full_convert){
av_assert0(!s->resample);
swri_audio_convert(s->full_convert, out, in, in_count);
out_count= resample(s, preout, out_count, midbuf, in_count);
}
- if(preout != out){
+ if(preout != out && out_count){
+ if(s->dither_method){
+ int ch;
+ int dither_count= FFMAX(out_count, 1<<16);
+ av_assert0(preout != in);
+
+ if((ret=realloc_audio(&s->dither, dither_count))<0)
+ return ret;
+ if(ret)
+ for(ch=0; ch<s->dither.ch_count; ch++)
+ swri_get_dither(s, s->dither.ch[ch], s->dither.count, 12345678913579<<ch, s->out_sample_fmt, s->int_sample_fmt);
+ av_assert0(s->dither.ch_count == preout->ch_count);
+
+ if(s->dither_pos + out_count > s->dither.count)
+ s->dither_pos = 0;
+ for(ch=0; ch<preout->ch_count; ch++)
+ swri_sum2(s->int_sample_fmt, preout->ch[ch], preout->ch[ch], s->dither.ch[ch] + s->dither.bps * s->dither_pos, 1, 1, out_count);
+
+ s->dither_pos += out_count;
+ }
//FIXME packed doesnt need more than 1 chan here!
swri_audio_convert(s->out_convert, out, preout, out_count);
}
- if(!in_arg)
- s->in_buffer_count = 0;
return out_count;
}
+int swr_convert(struct SwrContext *s, uint8_t *out_arg[SWR_CH_MAX], int out_count,
+ const uint8_t *in_arg [SWR_CH_MAX], int in_count){
+ AudioData * in= &s->in;
+ AudioData *out= &s->out;
+
+ if(!in_arg){
+ if(s->in_buffer_count){
+ if (s->resample && !s->flushed) {
+ AudioData *a= &s->in_buffer;
+ int i, j, ret;
+ if((ret=realloc_audio(a, s->in_buffer_index + 2*s->in_buffer_count)) < 0)
+ return ret;
+ av_assert0(a->planar);
+ for(i=0; i<a->ch_count; i++){
+ for(j=0; j<s->in_buffer_count; j++){
+ memcpy(a->ch[i] + (s->in_buffer_index+s->in_buffer_count+j )*a->bps,
+ a->ch[i] + (s->in_buffer_index+s->in_buffer_count-j-1)*a->bps, a->bps);
+ }
+ }
+ s->in_buffer_count += (s->in_buffer_count+1)/2;
+ s->resample_in_constraint = 0;
+ s->flushed = 1;
+ }
+ }else{
+ return 0;
+ }
+ }else
+ fill_audiodata(in , (void*)in_arg);
+
+ fill_audiodata(out, out_arg);
+
+ if(s->resample){
+ return swr_convert_internal(s, out, out_count, in, in_count);
+ }else{
+ AudioData tmp= *in;
+ int ret2=0;
+ int ret, size;
+ size = FFMIN(out_count, s->in_buffer_count);
+ if(size){
+ buf_set(&tmp, &s->in_buffer, s->in_buffer_index);
+ ret= swr_convert_internal(s, out, size, &tmp, size);
+ if(ret<0)
+ return ret;
+ ret2= ret;
+ s->in_buffer_count -= ret;
+ s->in_buffer_index += ret;
+ buf_set(out, out, ret);
+ out_count -= ret;
+ if(!s->in_buffer_count)
+ s->in_buffer_index = 0;
+ }
+
+ if(in_count){
+ size= s->in_buffer_index + s->in_buffer_count + in_count - out_count;
+
+ if(in_count > out_count) { //FIXME move after swr_convert_internal
+ if( size > s->in_buffer.count
+ && s->in_buffer_count + in_count - out_count <= s->in_buffer_index){
+ buf_set(&tmp, &s->in_buffer, s->in_buffer_index);
+ copy(&s->in_buffer, &tmp, s->in_buffer_count);
+ s->in_buffer_index=0;
+ }else
+ if((ret=realloc_audio(&s->in_buffer, size)) < 0)
+ return ret;
+ }
+
+ if(out_count){
+ size = FFMIN(in_count, out_count);
+ ret= swr_convert_internal(s, out, size, in, size);
+ if(ret<0)
+ return ret;
+ buf_set(in, in, ret);
+ in_count -= ret;
+ ret2 += ret;
+ }
+ if(in_count){
+ buf_set(&tmp, &s->in_buffer, s->in_buffer_index);
+ copy(&tmp, in, in_count);
+ s->in_buffer_count += in_count;
+ }
+ }
+ return ret2;
+ }
+}
+