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avfilter/af_compand: merge avframe code from af_compand_fork

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-26 12:29:22 +01:00
parent 27ba05adbc
commit 86a191e25b
1 changed files with 27 additions and 16 deletions
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43
libavfilter/af_compand.c
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@ -53,7 +53,7 @@ typedef struct CompandContext {
double gain_dB;
double initial_volume;
double delay;
uint8_t **delayptrs;
AVFrame *delay_frame;
int delay_samples;
int delay_count;
int delay_index;
@ -96,9 +96,7 @@ static av_cold void uninit(AVFilterContext *ctx)
av_freep(&s->channels);
av_freep(&s->segments);
if (s->delayptrs)
av_freep(&s->delayptrs[0]);
av_freep(&s->delayptrs);
av_frame_free(&s->delay_frame);
}
static int query_formats(AVFilterContext *ctx)
@ -222,8 +220,9 @@ static int compand_delay(AVFilterContext *ctx, AVFrame *frame)
av_assert1(channels > 0); /* would corrupt delay_count and delay_index */
for (chan = 0; chan < channels; chan++) {
AVFrame *delay_frame = s->delay_frame;
const double *src = (double *)frame->extended_data[chan];
double *dbuf = (double *)s->delayptrs[chan];
double *dbuf = (double *)delay_frame->extended_data[chan];
ChanParam *cp = &s->channels[chan];
double *dst;
@ -282,7 +281,8 @@ static int compand_drain(AVFilterLink *outlink)
(AVRational){ 1, outlink->sample_rate }, outlink->time_base);
for (chan = 0; chan < channels; chan++) {
double *dbuf = (double *)s->delayptrs[chan];
AVFrame *delay_frame = s->delay_frame;
double *dbuf = (double *)delay_frame->extended_data[chan];
double *dst = (double *)frame->extended_data[chan];
ChanParam *cp = &s->channels[chan];
@ -308,6 +308,8 @@ static int config_output(AVFilterLink *outlink)
char *p, *saveptr = NULL;
int new_nb_items, num;
int i;
int err;
count_items(s->attacks, &nb_attacks);
count_items(s->decays, &nb_decays);
@ -470,18 +472,27 @@ static int config_output(AVFilterLink *outlink)
}
s->delay_samples = s->delay * sample_rate;
if (s->delay_samples > 0) {
int ret;
if ((ret = av_samples_alloc_array_and_samples(&s->delayptrs, NULL,
outlink->channels,
s->delay_samples,
outlink->format, 0)) < 0)
return ret;
s->compand = compand_delay;
outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP;
} else {
if (s->delay_samples <= 0) {
s->compand = compand_nodelay;
return 0;
}
s->delay_frame = av_frame_alloc();
if (!s->delay_frame) {
uninit(ctx);
return AVERROR(ENOMEM);
}
s->delay_frame->format = outlink->format;
s->delay_frame->nb_samples = s->delay_samples;
s->delay_frame->channel_layout = outlink->channel_layout;
err = av_frame_get_buffer(s->delay_frame, 32);
if (err)
return err;
outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP;
s->compand = compand_delay;
return 0;
}