virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

avfilter/avf_showcwt: refactor code into function

Browse Source
This commit is contained in:
Paul B Mahol
2022-11-29 11:04:08 +01:00
parent 634e29f3c0
commit a08a508105
1 changed files with 114 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
libavfilter/avf_showcwt.c
View File

@@ -656,39 +656,13 @@ static int config_output(AVFilterLink *outlink)
return 0;
}
static int activate(AVFilterContext *ctx)
static int output_frame(AVFilterContext *ctx)
{
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
AVFilterLink *inlink = ctx->inputs[0];
ShowCWTContext *s = ctx->priv;
int ret = 0, status;
int64_t pts;
FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
if (s->outpicref) {
AVFrame *fin;
if (s->ihop_index == 0) {
ret = ff_inlink_consume_samples(inlink, 1, s->hop_size - s->hop_index, &fin);
if (ret < 0)
return ret;
if (ret > 0) {
for (int ch = 0; ch < s->nb_channels; ch++)
run_channel_cwt_prepare(ctx, fin, ch,
ff_outlink_get_status(inlink));
if (s->hop_index == 0)
s->in_pts = fin->pts;
s->hop_index += fin->nb_samples;
av_frame_free(&fin);
}
}
if (s->hop_index >= s->hop_size || s->ihop_index > 0) {
int64_t pts_offset;
s->hop_index = 0;
int ret;
switch (s->slide) {
case SLIDE_SCROLL:
@@ -719,11 +693,6 @@ static int activate(AVFilterContext *ctx)
break;
}
for (int ch = 0; ch < s->nb_channels && s->ihop_index == 0; ch++) {
ff_filter_execute(ctx, run_channel_cwt, (void *)&ch, NULL,
s->nb_threads);
}
ff_filter_execute(ctx, draw, NULL, NULL, s->nb_threads);
pts_offset = av_rescale(s->ihop_index, s->hop_size, s->ihop_size);
@@ -760,15 +729,13 @@ static int activate(AVFilterContext *ctx)
break;
case SLIDE_SCROLL:
switch (s->direction) {
case DIRECTION_UD:
case DIRECTION_LR:
s->pos = 0;
break;
case DIRECTION_RL:
s->pos = s->w - 1;
break;
case DIRECTION_UD:
s->pos = 0;
break;
case DIRECTION_DU:
s->pos = s->h - 1;
break;
@@ -794,17 +761,62 @@ fail:
av_frame_free(&out);
return ret;
}
return 1;
}
static int activate(AVFilterContext *ctx)
{
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
ShowCWTContext *s = ctx->priv;
int ret = 0, status;
int64_t pts;
FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
if (s->outpicref) {
AVFrame *fin;
if (s->ihop_index == 0) {
ret = ff_inlink_consume_samples(inlink, 1, s->hop_size - s->hop_index, &fin);
if (ret < 0)
return ret;
if (ret > 0) {
for (int ch = 0; ch < s->nb_channels; ch++)
run_channel_cwt_prepare(ctx, fin, ch,
ff_outlink_get_status(inlink));
if (s->hop_index == 0)
s->in_pts = fin->pts;
s->hop_index += fin->nb_samples;
av_frame_free(&fin);
}
}
if (s->hop_index >= s->hop_size || s->ihop_index > 0) {
s->hop_index = 0;
for (int ch = 0; ch < s->nb_channels && s->ihop_index == 0; ch++) {
ff_filter_execute(ctx, run_channel_cwt, (void *)&ch, NULL,
s->nb_threads);
}
ret = output_frame(ctx);
if (ret != 1)
return ret;
}
}
if (ff_inlink_acknowledge_status(inlink, &status, &pts)) {
if (status == AVERROR_EOF) {
ff_outlink_set_status(outlink, status, pts);
ff_outlink_set_status(outlink, status, s->old_pts);
return 0;
}
}
if (ff_inlink_queued_samples(inlink) > 0 || s->ihop_index || s->hop_index >= s->hop_size) {
if (ff_inlink_queued_samples(inlink) > 0 || s->ihop_index ||
s->hop_index >= s->hop_size) {
ff_filter_set_ready(ctx, 10);
return 0;
}