typedef struct AudioPhaseMeterContext {
const AVClass *class;
AVFrame *out;
+ int do_video;
int w, h;
AVRational frame_rate;
int contrast[4];
{ "gc", "set green contrast", OFFSET(contrast[1]), AV_OPT_TYPE_INT, {.i64=7}, 0, 255, FLAGS },
{ "bc", "set blue contrast", OFFSET(contrast[2]), AV_OPT_TYPE_INT, {.i64=1}, 0, 255, FLAGS },
{ "mpc", "set median phase color", OFFSET(mpc_str), AV_OPT_TYPE_STRING, {.str = "none"}, 0, 0, FLAGS },
+ { "video", "set video output", OFFSET(do_video), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, FLAGS },
{ NULL }
};
static int query_formats(AVFilterContext *ctx)
{
+ AudioPhaseMeterContext *s = ctx->priv;
AVFilterFormats *formats = NULL;
AVFilterChannelLayouts *layout = NULL;
AVFilterLink *inlink = ctx->inputs[0];
formats = ff_make_format_list(sample_fmts);
if ((ret = ff_formats_ref (formats, &inlink->out_formats )) < 0 ||
+ (ret = ff_formats_ref (formats, &outlink->in_formats )) < 0 ||
(ret = ff_add_channel_layout (&layout, AV_CH_LAYOUT_STEREO )) < 0 ||
- (ret = ff_channel_layouts_ref (layout , &inlink->out_channel_layouts)) < 0)
+ (ret = ff_channel_layouts_ref (layout , &inlink->out_channel_layouts)) < 0 ||
+ (ret = ff_channel_layouts_ref (layout , &outlink->in_channel_layouts)) < 0)
return ret;
formats = ff_all_samplerates();
- if ((ret = ff_formats_ref(formats, &inlink->out_samplerates)) < 0)
+ if ((ret = ff_formats_ref(formats, &inlink->out_samplerates)) < 0 ||
+ (ret = ff_formats_ref(formats, &outlink->in_samplerates)) < 0)
return ret;
- formats = ff_make_format_list(pix_fmts);
- if ((ret = ff_formats_ref(formats, &outlink->in_formats)) < 0)
- return ret;
+ if (s->do_video) {
+ AVFilterLink *outlink = ctx->outputs[1];
+
+ formats = ff_make_format_list(pix_fmts);
+ if ((ret = ff_formats_ref(formats, &outlink->in_formats)) < 0)
+ return ret;
+ }
return 0;
}
AudioPhaseMeterContext *s = ctx->priv;
int nb_samples;
- nb_samples = FFMAX(1024, ((double)inlink->sample_rate / av_q2d(s->frame_rate)) + 0.5);
- inlink->partial_buf_size =
- inlink->min_samples =
- inlink->max_samples = nb_samples;
+ if (s->do_video) {
+ nb_samples = FFMAX(1024, ((double)inlink->sample_rate / av_q2d(s->frame_rate)) + 0.5);
+ inlink->partial_buf_size =
+ inlink->min_samples =
+ inlink->max_samples = nb_samples;
+ }
return 0;
}
-static int config_output(AVFilterLink *outlink)
+static int config_video_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
AudioPhaseMeterContext *s = ctx->priv;
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
AVFilterContext *ctx = inlink->dst;
- AVFilterLink *outlink = ctx->outputs[0];
AudioPhaseMeterContext *s = ctx->priv;
+ AVFilterLink *outlink = s->do_video ? ctx->outputs[1] : NULL;
+ AVFilterLink *aoutlink = ctx->outputs[0];
AVDictionary **metadata;
const int rc = s->contrast[0];
const int gc = s->contrast[1];
uint8_t *dst;
int i;
- if (!s->out || s->out->width != outlink->w ||
- s->out->height != outlink->h) {
+ if (s->do_video && (!s->out || s->out->width != outlink->w ||
+ s->out->height != outlink->h)) {
av_frame_free(&s->out);
s->out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!s->out) {
out = s->out;
for (i = 0; i < outlink->h; i++)
memset(out->data[0] + i * out->linesize[0], 0, outlink->w * 4);
- } else {
+ } else if (s->do_video) {
out = s->out;
for (i = outlink->h - 1; i >= 10; i--)
memmove(out->data[0] + (i ) * out->linesize[0],
for (i = 0; i < outlink->w; i++)
AV_WL32(out->data[0] + i * 4, 0);
}
- s->out->pts = in->pts;
for (i = 0; i < in->nb_samples; i++) {
const float *src = (float *)in->data[0] + i * 2;
const float phase = isnan(f) ? 1 : f;
const int x = get_x(phase, s->w);
- dst = out->data[0] + x * 4;
- dst[0] = FFMIN(255, dst[0] + rc);
- dst[1] = FFMIN(255, dst[1] + gc);
- dst[2] = FFMIN(255, dst[2] + bc);
- dst[3] = 255;
+ if (s->do_video) {
+ dst = out->data[0] + x * 4;
+ dst[0] = FFMIN(255, dst[0] + rc);
+ dst[1] = FFMIN(255, dst[1] + gc);
+ dst[2] = FFMIN(255, dst[2] + bc);
+ dst[3] = 255;
+ }
fphase += phase;
}
fphase /= in->nb_samples;
- if (s->draw_median_phase) {
- dst = out->data[0] + get_x(fphase, s->w) * 4;
- AV_WL32(dst, AV_RL32(s->mpc));
- }
+ if (s->do_video) {
+ if (s->draw_median_phase) {
+ dst = out->data[0] + get_x(fphase, s->w) * 4;
+ AV_WL32(dst, AV_RL32(s->mpc));
+ }
- for (i = 1; i < 10 && i < outlink->h; i++)
- memcpy(out->data[0] + i * out->linesize[0], out->data[0], outlink->w * 4);
+ for (i = 1; i < 10 && i < outlink->h; i++)
+ memcpy(out->data[0] + i * out->linesize[0], out->data[0], outlink->w * 4);
+ }
- metadata = avpriv_frame_get_metadatap(out);
+ metadata = avpriv_frame_get_metadatap(in);
if (metadata) {
uint8_t value[128];
av_dict_set(metadata, "lavfi.aphasemeter.phase", value, 0);
}
- av_frame_free(&in);
- return ff_filter_frame(outlink, av_frame_clone(s->out));
+ if (s->do_video) {
+ s->out->pts = in->pts;
+ ff_filter_frame(outlink, av_frame_clone(s->out));
+ }
+ return ff_filter_frame(aoutlink, in);
}
static av_cold void uninit(AVFilterContext *ctx)
{
AudioPhaseMeterContext *s = ctx->priv;
+ int i;
av_frame_free(&s->out);
+ for (i = 0; i < ctx->nb_outputs; i++)
+ av_freep(&ctx->output_pads[i].name);
+}
+
+static av_cold int init(AVFilterContext *ctx)
+{
+ AudioPhaseMeterContext *s = ctx->priv;
+ AVFilterPad pad;
+
+ pad = (AVFilterPad){
+ .name = av_strdup("out0"),
+ .type = AVMEDIA_TYPE_AUDIO,
+ };
+ if (!pad.name)
+ return AVERROR(ENOMEM);
+ ff_insert_outpad(ctx, 0, &pad);
+
+ if (s->do_video) {
+ pad = (AVFilterPad){
+ .name = av_strdup("out1"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_video_output,
+ };
+ if (!pad.name)
+ return AVERROR(ENOMEM);
+ ff_insert_outpad(ctx, 1, &pad);
+ }
+
+ return 0;
}
static const AVFilterPad inputs[] = {
{ NULL }
};
-static const AVFilterPad outputs[] = {
- {
- .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .config_props = config_output,
- },
- { NULL }
-};
-
AVFilter ff_avf_aphasemeter = {
.name = "aphasemeter",
.description = NULL_IF_CONFIG_SMALL("Convert input audio to phase meter video output."),
+ .init = init,
.uninit = uninit,
.query_formats = query_formats,
.priv_size = sizeof(AudioPhaseMeterContext),
.inputs = inputs,
- .outputs = outputs,
+ .outputs = NULL,
.priv_class = &aphasemeter_class,
+ .flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
};
projects / ffmpeg / blobdiff