2016-05-05 10:15:39 +00:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2016 Paul B Mahol
|
|
|
|
*
|
|
|
|
* This file is part of FFmpeg.
|
|
|
|
*
|
|
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
|
|
* License as published by the Free Software Foundation; either
|
|
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
* Lesser General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "libavutil/avstring.h"
|
|
|
|
#include "libavutil/intreadwrite.h"
|
|
|
|
#include "libavutil/opt.h"
|
|
|
|
#include "libavutil/parseutils.h"
|
|
|
|
#include "avfilter.h"
|
2019-05-01 19:17:55 +00:00
|
|
|
#include "filters.h"
|
2016-05-05 10:15:39 +00:00
|
|
|
#include "formats.h"
|
|
|
|
#include "audio.h"
|
|
|
|
#include "video.h"
|
|
|
|
#include "internal.h"
|
|
|
|
|
|
|
|
typedef struct AudioBitScopeContext {
|
|
|
|
const AVClass *class;
|
|
|
|
int w, h;
|
|
|
|
AVRational frame_rate;
|
|
|
|
char *colors;
|
|
|
|
|
|
|
|
int nb_channels;
|
2019-05-01 19:17:55 +00:00
|
|
|
int nb_samples;
|
2016-05-05 10:15:39 +00:00
|
|
|
int depth;
|
|
|
|
uint8_t *fg;
|
|
|
|
|
|
|
|
uint64_t counter[64];
|
|
|
|
} AudioBitScopeContext;
|
|
|
|
|
|
|
|
#define OFFSET(x) offsetof(AudioBitScopeContext, x)
|
|
|
|
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
|
|
|
|
|
|
|
|
static const AVOption abitscope_options[] = {
|
2017-03-23 13:34:30 +00:00
|
|
|
{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="25"}, 0, INT_MAX, FLAGS },
|
|
|
|
{ "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str="25"}, 0, INT_MAX, FLAGS },
|
2016-05-05 10:15:39 +00:00
|
|
|
{ "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="1024x256"}, 0, 0, FLAGS },
|
|
|
|
{ "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="1024x256"}, 0, 0, FLAGS },
|
|
|
|
{ "colors", "set channels colors", OFFSET(colors), AV_OPT_TYPE_STRING, {.str = "red|green|blue|yellow|orange|lime|pink|magenta|brown" }, 0, 0, FLAGS },
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFILTER_DEFINE_CLASS(abitscope);
|
|
|
|
|
|
|
|
static int query_formats(AVFilterContext *ctx)
|
|
|
|
{
|
|
|
|
AVFilterFormats *formats = NULL;
|
|
|
|
AVFilterChannelLayouts *layouts;
|
|
|
|
AVFilterLink *inlink = ctx->inputs[0];
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
static const enum AVSampleFormat sample_fmts[] = { AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_NONE };
|
|
|
|
static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_RGBA, AV_PIX_FMT_NONE };
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
formats = ff_make_format_list(sample_fmts);
|
2020-08-24 10:16:34 +00:00
|
|
|
if ((ret = ff_formats_ref(formats, &inlink->outcfg.formats)) < 0)
|
2016-05-05 10:15:39 +00:00
|
|
|
return ret;
|
|
|
|
|
|
|
|
layouts = ff_all_channel_counts();
|
|
|
|
if (!layouts)
|
|
|
|
return AVERROR(ENOMEM);
|
2020-08-24 10:16:34 +00:00
|
|
|
if ((ret = ff_channel_layouts_ref(layouts, &inlink->outcfg.channel_layouts)) < 0)
|
2016-05-05 10:15:39 +00:00
|
|
|
return ret;
|
|
|
|
|
|
|
|
formats = ff_all_samplerates();
|
2020-08-24 10:16:34 +00:00
|
|
|
if ((ret = ff_formats_ref(formats, &inlink->outcfg.samplerates)) < 0)
|
2016-05-05 10:15:39 +00:00
|
|
|
return ret;
|
|
|
|
|
|
|
|
formats = ff_make_format_list(pix_fmts);
|
2020-08-24 10:16:34 +00:00
|
|
|
if ((ret = ff_formats_ref(formats, &outlink->incfg.formats)) < 0)
|
2016-05-05 10:15:39 +00:00
|
|
|
return ret;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
AudioBitScopeContext *s = ctx->priv;
|
2019-05-01 19:17:55 +00:00
|
|
|
int ch;
|
2016-05-05 10:15:39 +00:00
|
|
|
char *colors, *saveptr = NULL;
|
|
|
|
|
2019-05-28 08:46:38 +00:00
|
|
|
s->nb_samples = FFMAX(1, av_rescale(inlink->sample_rate, s->frame_rate.den, s->frame_rate.num));
|
2016-05-05 10:15:39 +00:00
|
|
|
s->nb_channels = inlink->channels;
|
|
|
|
s->depth = inlink->format == AV_SAMPLE_FMT_S16P ? 16 : 32;
|
|
|
|
|
|
|
|
s->fg = av_malloc_array(s->nb_channels, 4 * sizeof(*s->fg));
|
|
|
|
if (!s->fg)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
colors = av_strdup(s->colors);
|
|
|
|
if (!colors)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
for (ch = 0; ch < s->nb_channels; ch++) {
|
|
|
|
uint8_t fg[4] = { 0xff, 0xff, 0xff, 0xff };
|
|
|
|
char *color;
|
|
|
|
|
|
|
|
color = av_strtok(ch == 0 ? colors : NULL, " |", &saveptr);
|
|
|
|
if (color)
|
|
|
|
av_parse_color(fg, color, -1, ctx);
|
|
|
|
s->fg[4 * ch + 0] = fg[0];
|
|
|
|
s->fg[4 * ch + 1] = fg[1];
|
|
|
|
s->fg[4 * ch + 2] = fg[2];
|
|
|
|
s->fg[4 * ch + 3] = fg[3];
|
|
|
|
}
|
|
|
|
av_free(colors);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int config_output(AVFilterLink *outlink)
|
|
|
|
{
|
|
|
|
AudioBitScopeContext *s = outlink->src->priv;
|
|
|
|
|
|
|
|
outlink->w = s->w;
|
|
|
|
outlink->h = s->h;
|
|
|
|
outlink->sample_aspect_ratio = (AVRational){1,1};
|
|
|
|
outlink->frame_rate = s->frame_rate;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void count_bits(AudioBitScopeContext *s, uint32_t sample, int max)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < max; i++) {
|
2019-10-16 16:18:57 +00:00
|
|
|
if (sample & (1U << i))
|
2016-05-05 10:15:39 +00:00
|
|
|
s->counter[i]++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
AudioBitScopeContext *s = ctx->priv;
|
|
|
|
AVFrame *outpicref;
|
|
|
|
int ch, i, j, b;
|
|
|
|
|
|
|
|
outpicref = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
|
|
if (!outpicref) {
|
|
|
|
av_frame_free(&insamples);
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < outlink->h; i++)
|
|
|
|
memset(outpicref->data[0] + i * outpicref->linesize[0], 0, outlink->w * 4);
|
|
|
|
|
|
|
|
outpicref->pts = insamples->pts;
|
2017-06-13 13:07:36 +00:00
|
|
|
outpicref->sample_aspect_ratio = (AVRational){1,1};
|
|
|
|
|
2016-05-05 10:15:39 +00:00
|
|
|
switch (insamples->format) {
|
|
|
|
case AV_SAMPLE_FMT_S16P:
|
|
|
|
for (ch = 0; ch < inlink->channels; ch++) {
|
|
|
|
uint16_t *in = (uint16_t *)insamples->extended_data[ch];
|
|
|
|
int w = outpicref->width / inlink->channels;
|
|
|
|
int h = outpicref->height / 16;
|
|
|
|
uint32_t color = AV_RN32(&s->fg[4 * ch]);
|
|
|
|
|
|
|
|
memset(s->counter, 0, sizeof(s->counter));
|
|
|
|
for (i = 0; i < insamples->nb_samples; i++)
|
|
|
|
count_bits(s, in[i], 16);
|
|
|
|
|
|
|
|
for (b = 0; b < 16; b++) {
|
|
|
|
for (j = 1; j < h - 1; j++) {
|
|
|
|
uint8_t *dst = outpicref->data[0] + (b * h + j) * outpicref->linesize[0] + w * ch * 4;
|
|
|
|
int ww = (s->counter[16 - b - 1] / (float)insamples->nb_samples) * (w - 1);
|
|
|
|
|
|
|
|
for (i = 0; i < ww; i++) {
|
|
|
|
AV_WN32(&dst[i * 4], color);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AV_SAMPLE_FMT_S32P:
|
|
|
|
for (ch = 0; ch < inlink->channels; ch++) {
|
|
|
|
uint32_t *in = (uint32_t *)insamples->extended_data[ch];
|
|
|
|
int w = outpicref->width / inlink->channels;
|
|
|
|
int h = outpicref->height / 32;
|
|
|
|
uint32_t color = AV_RN32(&s->fg[4 * ch]);
|
|
|
|
|
|
|
|
memset(s->counter, 0, sizeof(s->counter));
|
|
|
|
for (i = 0; i < insamples->nb_samples; i++)
|
|
|
|
count_bits(s, in[i], 32);
|
|
|
|
|
|
|
|
for (b = 0; b < 32; b++) {
|
|
|
|
for (j = 1; j < h - 1; j++) {
|
|
|
|
uint8_t *dst = outpicref->data[0] + (b * h + j) * outpicref->linesize[0] + w * ch * 4;
|
|
|
|
int ww = (s->counter[32 - b - 1] / (float)insamples->nb_samples) * (w - 1);
|
|
|
|
|
|
|
|
for (i = 0; i < ww; i++) {
|
|
|
|
AV_WN32(&dst[i * 4], color);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
av_frame_free(&insamples);
|
|
|
|
|
|
|
|
return ff_filter_frame(outlink, outpicref);
|
|
|
|
}
|
|
|
|
|
2019-05-01 19:17:55 +00:00
|
|
|
static int activate(AVFilterContext *ctx)
|
|
|
|
{
|
|
|
|
AVFilterLink *inlink = ctx->inputs[0];
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
AudioBitScopeContext *s = ctx->priv;
|
|
|
|
AVFrame *in;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
|
|
|
|
|
|
|
|
ret = ff_inlink_consume_samples(inlink, s->nb_samples, s->nb_samples, &in);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
if (ret > 0)
|
|
|
|
return filter_frame(inlink, in);
|
|
|
|
|
|
|
|
FF_FILTER_FORWARD_STATUS(inlink, outlink);
|
|
|
|
FF_FILTER_FORWARD_WANTED(outlink, inlink);
|
|
|
|
|
|
|
|
return FFERROR_NOT_READY;
|
|
|
|
}
|
|
|
|
|
2016-05-05 10:15:39 +00:00
|
|
|
static const AVFilterPad inputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_AUDIO,
|
|
|
|
.config_props = config_input,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.config_props = config_output,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2021-04-19 16:33:56 +00:00
|
|
|
const AVFilter ff_avf_abitscope = {
|
2016-05-05 10:15:39 +00:00
|
|
|
.name = "abitscope",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Convert input audio to audio bit scope video output."),
|
|
|
|
.query_formats = query_formats,
|
|
|
|
.priv_size = sizeof(AudioBitScopeContext),
|
2021-08-12 11:05:31 +00:00
|
|
|
FILTER_INPUTS(inputs),
|
|
|
|
FILTER_OUTPUTS(outputs),
|
2019-05-01 19:17:55 +00:00
|
|
|
.activate = activate,
|
2016-05-05 10:15:39 +00:00
|
|
|
.priv_class = &abitscope_class,
|
|
|
|
};
|