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avfilter/af_afir: make part_index values per channel

This commit is contained in:
Paul B Mahol 2018-12-29 10:46:25 +01:00
parent 31c9d693aa
commit 3c3eb4930e
2 changed files with 12 additions and 9 deletions
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18
libavfilter/af_afir.c
View File

@ -67,7 +67,7 @@ static int fir_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
int n, i, j;
memset(sum, 0, sizeof(*sum) * seg->fft_length);
block = (float *)seg->block->extended_data[ch] + seg->part_index * seg->block_size;
block = (float *)seg->block->extended_data[ch] + seg->part_index[ch] * seg->block_size;
memset(block, 0, sizeof(*block) * seg->fft_length);
s->fdsp->vector_fmul_scalar(block, src, s->dry_gain, FFALIGN(out->nb_samples, 4));
@ -77,7 +77,7 @@ static int fir_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
block[2 * seg->part_size] = block[1];
block[1] = 0;
j = seg->part_index;
j = seg->part_index[ch];
for (i = 0; i < seg->nb_partitions; i++) {
const int coffset = i * seg->coeff_size;
@ -106,6 +106,8 @@ static int fir_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
dst = (float *)seg->buffer->extended_data[ch];
memcpy(dst, sum + seg->part_size, seg->part_size * sizeof(*dst));
seg->part_index[ch] = (seg->part_index[ch] + 1) % seg->nb_partitions;
return 0;
}
@ -125,12 +127,6 @@ static int fir_frame(AudioFIRContext *s, AVFrame *in, AVFilterLink *outlink)
s->in[0] = in;
ctx->internal->execute(ctx, fir_channel, out, NULL, outlink->channels);
for (int segment = 0; segment < s->nb_segments; segment++) {
AudioFIRSegment *seg = &s->seg[segment];
seg->part_index = (seg->part_index + 1) % seg->nb_partitions;
}
out->pts = s->pts;
if (s->pts != AV_NOPTS_VALUE)
s->pts += av_rescale_q(out->nb_samples, (AVRational){1, outlink->sample_rate}, outlink->time_base);
@ -300,6 +296,10 @@ static int init_segment(AVFilterContext *ctx, AudioFIRSegment *seg, int nb_parti
return AVERROR(ENOMEM);
}
seg->part_index = av_calloc(ctx->inputs[0]->channels, sizeof(*seg->part_index));
if (!seg->part_index)
return AVERROR(ENOMEM);
seg->sum = ff_get_audio_buffer(ctx->inputs[0], seg->fft_length);
seg->block = ff_get_audio_buffer(ctx->inputs[0], seg->nb_partitions * seg->block_size);
seg->buffer = ff_get_audio_buffer(ctx->inputs[0], seg->part_size);
@ -622,6 +622,8 @@ static void uninit_segment(AVFilterContext *ctx, AudioFIRSegment *seg)
}
av_freep(&seg->irdft);
av_freep(&seg->part_index);
av_frame_free(&seg->block);
av_frame_free(&seg->sum);
av_frame_free(&seg->buffer);

3
libavfilter/af_afir.h
View File

@ -33,13 +33,14 @@
typedef struct AudioFIRSegment {
int nb_partitions;
int part_index;
int part_size;
int block_size;
int fft_length;
int coeff_size;
int segment_size;
int *part_index;
AVFrame *sum;
AVFrame *block;
AVFrame *buffer;