videolan
/
ffmpeg
mirror of https://git.videolan.org/git/ffmpeg.git
1
Fork 0
Code Releases Activity

avfilter/af_afir: add timeline support

This commit is contained in:
Paul B Mahol 2023-11-19 21:26:00 +01:00
parent 954d50e2ae
commit bbdd604b9e
2 changed files with 47 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
libavfilter/af_afir.c
View File

@ -63,7 +63,28 @@ static int fir_channel(AVFilterContext *ctx, AVFrame *out, int ch)
for (int offset = 0; offset < out->nb_samples; offset += min_part_size) {
switch (s->format) {
case AV_SAMPLE_FMT_FLTP:
if (prev_selir != selir && s->loading[ch] != 0) {
if (ctx->is_disabled || s->prev_is_disabled) {
const float *in = (const float *)s->in->extended_data[ch] + offset;
const float *xfade0 = (const float *)s->xfade[0]->extended_data[ch];
const float *xfade1 = (const float *)s->xfade[1]->extended_data[ch];
float *src0 = (float *)s->fadein[0]->extended_data[ch];
float *src1 = (float *)s->fadein[1]->extended_data[ch];
float *dst = ((float *)out->extended_data[ch]) + offset;
if (ctx->is_disabled && !s->prev_is_disabled) {
memset(src0, 0, min_part_size * sizeof(float));
fir_quantum_float(ctx, s->fadein[0], ch, offset, 0, selir);
for (int n = 0; n < min_part_size; n++)
dst[n] = xfade1[n] * src0[n] + xfade0[n] * in[n];
} else if (!ctx->is_disabled && s->prev_is_disabled) {
memset(src1, 0, min_part_size * sizeof(float));
fir_quantum_float(ctx, s->fadein[1], ch, offset, 0, selir);
for (int n = 0; n < min_part_size; n++)
dst[n] = xfade1[n] * in[n] + xfade0[n] * src1[n];
} else {
memcpy(dst, in, sizeof(float) * min_part_size);
}
} else if (prev_selir != selir && s->loading[ch] != 0) {
const float *xfade0 = (const float *)s->xfade[0]->extended_data[ch];
const float *xfade1 = (const float *)s->xfade[1]->extended_data[ch];
float *src0 = (float *)s->fadein[0]->extended_data[ch];
@ -88,7 +109,28 @@ static int fir_channel(AVFilterContext *ctx, AVFrame *out, int ch)
}
break;
case AV_SAMPLE_FMT_DBLP:
if (prev_selir != selir && s->loading[ch] != 0) {
if (ctx->is_disabled || s->prev_is_disabled) {
const double *in = (const double *)s->in->extended_data[ch] + offset;
const double *xfade0 = (const double *)s->xfade[0]->extended_data[ch];
const double *xfade1 = (const double *)s->xfade[1]->extended_data[ch];
double *src0 = (double *)s->fadein[0]->extended_data[ch];
double *src1 = (double *)s->fadein[1]->extended_data[ch];
double *dst = ((double *)out->extended_data[ch]) + offset;
if (ctx->is_disabled && !s->prev_is_disabled) {
memset(src0, 0, min_part_size * sizeof(double));
fir_quantum_double(ctx, s->fadein[0], ch, offset, 0, selir);
for (int n = 0; n < min_part_size; n++)
dst[n] = xfade1[n] * src0[n] + xfade0[n] * in[n];
} else if (!ctx->is_disabled && s->prev_is_disabled) {
memset(src1, 0, min_part_size * sizeof(double));
fir_quantum_double(ctx, s->fadein[1], ch, offset, 0, selir);
for (int n = 0; n < min_part_size; n++)
dst[n] = xfade1[n] * in[n] + xfade0[n] * src1[n];
} else {
memcpy(dst, in, sizeof(double) * min_part_size);
}
} else if (prev_selir != selir && s->loading[ch] != 0) {
const double *xfade0 = (const double *)s->xfade[0]->extended_data[ch];
const double *xfade1 = (const double *)s->xfade[1]->extended_data[ch];
double *src0 = (double *)s->fadein[0]->extended_data[ch];
@ -149,6 +191,7 @@ static int fir_frame(AudioFIRContext *s, AVFrame *in, AVFilterLink *outlink)
s->in = in;
ff_filter_execute(ctx, fir_channels, out, NULL,
FFMIN(outlink->ch_layout.nb_channels, ff_filter_get_nb_threads(ctx)));
s->prev_is_disabled = ctx->is_disabled;
av_frame_free(&in);
s->in = NULL;
@ -762,5 +805,6 @@ const AVFilter ff_af_afir = {
.process_command = process_command,
.flags = AVFILTER_FLAG_DYNAMIC_INPUTS |
AVFILTER_FLAG_DYNAMIC_OUTPUTS |
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
AVFILTER_FLAG_SLICE_THREADS,
};

1
libavfilter/af_afir.h
View File

@ -88,6 +88,7 @@ typedef struct AudioFIRContext {
int max_offset[MAX_IR_STREAMS];
int nb_channels;
int one2many;
int prev_is_disabled;
int *loading;
double *ch_gain;