| /* |
| * Copyright (c) 2012-2015 Paul B Mahol |
| * Copyright (c) 2013 Marton Balint |
| * |
| * 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/avassert.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/parseutils.h" |
| #include "libavutil/pixdesc.h" |
| #include "avfilter.h" |
| #include "formats.h" |
| #include "internal.h" |
| #include "video.h" |
| |
| enum FilterType { |
| LOWPASS, |
| FLAT, |
| AFLAT, |
| CHROMA, |
| ACHROMA, |
| COLOR, |
| NB_FILTERS |
| }; |
| |
| typedef struct WaveformContext { |
| const AVClass *class; |
| int mode; |
| int ncomp; |
| int pcomp; |
| const uint8_t *bg_color; |
| float fintensity; |
| int intensity; |
| int mirror; |
| int display; |
| int envelope; |
| int estart[4]; |
| int eend[4]; |
| int *emax[4][4]; |
| int *emin[4][4]; |
| int *peak; |
| int filter; |
| int bits; |
| int max; |
| int size; |
| void (*waveform)(struct WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column); |
| const AVPixFmtDescriptor *desc; |
| } WaveformContext; |
| |
| #define OFFSET(x) offsetof(WaveformContext, x) |
| #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
| |
| static const AVOption waveform_options[] = { |
| { "mode", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "mode" }, |
| { "m", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "mode" }, |
| { "row", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mode" }, |
| { "column", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mode" }, |
| { "intensity", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 1, FLAGS }, |
| { "i", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 1, FLAGS }, |
| { "mirror", "set mirroring", OFFSET(mirror), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS }, |
| { "r", "set mirroring", OFFSET(mirror), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS }, |
| { "display", "set display mode", OFFSET(display), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "display" }, |
| { "d", "set display mode", OFFSET(display), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "display" }, |
| { "overlay", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "display" }, |
| { "parade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "display" }, |
| { "components", "set components to display", OFFSET(pcomp), AV_OPT_TYPE_INT, {.i64=1}, 1, 15, FLAGS }, |
| { "c", "set components to display", OFFSET(pcomp), AV_OPT_TYPE_INT, {.i64=1}, 1, 15, FLAGS }, |
| { "envelope", "set envelope to display", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope" }, |
| { "e", "set envelope to display", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope" }, |
| { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "envelope" }, |
| { "instant", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "envelope" }, |
| { "peak", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "envelope" }, |
| { "peak+instant", NULL, 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "envelope" }, |
| { "filter", "set filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_FILTERS-1, FLAGS, "filter" }, |
| { "f", "set filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_FILTERS-1, FLAGS, "filter" }, |
| { "lowpass", NULL, 0, AV_OPT_TYPE_CONST, {.i64=LOWPASS}, 0, 0, FLAGS, "filter" }, |
| { "flat" , NULL, 0, AV_OPT_TYPE_CONST, {.i64=FLAT}, 0, 0, FLAGS, "filter" }, |
| { "aflat" , NULL, 0, AV_OPT_TYPE_CONST, {.i64=AFLAT}, 0, 0, FLAGS, "filter" }, |
| { "chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CHROMA}, 0, 0, FLAGS, "filter" }, |
| { "achroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=ACHROMA}, 0, 0, FLAGS, "filter" }, |
| { "color", NULL, 0, AV_OPT_TYPE_CONST, {.i64=COLOR}, 0, 0, FLAGS, "filter" }, |
| { NULL } |
| }; |
| |
| AVFILTER_DEFINE_CLASS(waveform); |
| |
| static const enum AVPixelFormat lowpass_pix_fmts[] = { |
| AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, |
| AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
| AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, |
| AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, |
| AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ420P, |
| AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, |
| AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P, |
| AV_PIX_FMT_GRAY8, |
| AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV420P9, |
| AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9, |
| AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV420P10, |
| AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA420P10, |
| AV_PIX_FMT_NONE |
| }; |
| |
| static const enum AVPixelFormat flat_pix_fmts[] = { |
| AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_NONE |
| }; |
| |
| static const enum AVPixelFormat color_pix_fmts[] = { |
| AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, |
| AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
| AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, |
| AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, |
| AV_PIX_FMT_NONE |
| }; |
| |
| static int query_formats(AVFilterContext *ctx) |
| { |
| WaveformContext *s = ctx->priv; |
| AVFilterFormats *fmts_list; |
| const enum AVPixelFormat *pix_fmts; |
| |
| switch (s->filter) { |
| case LOWPASS: pix_fmts = lowpass_pix_fmts; break; |
| case FLAT: |
| case AFLAT: |
| case CHROMA: |
| case ACHROMA: pix_fmts = flat_pix_fmts; break; |
| case COLOR: pix_fmts = color_pix_fmts; break; |
| } |
| |
| fmts_list = ff_make_format_list(pix_fmts); |
| if (!fmts_list) |
| return AVERROR(ENOMEM); |
| return ff_set_common_formats(ctx, fmts_list); |
| } |
| |
| static void envelope_instant16(WaveformContext *s, AVFrame *out, int plane, int component) |
| { |
| const int dst_linesize = out->linesize[component] / 2; |
| const int bg = s->bg_color[component] * (s->max / 256); |
| const int limit = s->max - 1; |
| const int is_chroma = (component == 1 || component == 2); |
| const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0); |
| const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0); |
| const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h); |
| const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w); |
| const int start = s->estart[plane]; |
| const int end = s->eend[plane]; |
| uint16_t *dst; |
| int x, y; |
| |
| if (s->mode) { |
| for (x = 0; x < dst_w; x++) { |
| for (y = start; y < end; y++) { |
| dst = (uint16_t *)out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| dst[0] = limit; |
| break; |
| } |
| } |
| for (y = end - 1; y >= start; y--) { |
| dst = (uint16_t *)out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| dst[0] = limit; |
| break; |
| } |
| } |
| } |
| } else { |
| for (y = 0; y < dst_h; y++) { |
| dst = (uint16_t *)out->data[component] + y * dst_linesize; |
| for (x = start; x < end; x++) { |
| if (dst[x] != bg) { |
| dst[x] = limit; |
| break; |
| } |
| } |
| for (x = end - 1; x >= start; x--) { |
| if (dst[x] != bg) { |
| dst[x] = limit; |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| static void envelope_instant(WaveformContext *s, AVFrame *out, int plane, int component) |
| { |
| const int dst_linesize = out->linesize[component]; |
| const uint8_t bg = s->bg_color[component]; |
| const int is_chroma = (component == 1 || component == 2); |
| const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0); |
| const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0); |
| const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h); |
| const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w); |
| const int start = s->estart[plane]; |
| const int end = s->eend[plane]; |
| uint8_t *dst; |
| int x, y; |
| |
| if (s->mode) { |
| for (x = 0; x < dst_w; x++) { |
| for (y = start; y < end; y++) { |
| dst = out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| dst[0] = 255; |
| break; |
| } |
| } |
| for (y = end - 1; y >= start; y--) { |
| dst = out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| dst[0] = 255; |
| break; |
| } |
| } |
| } |
| } else { |
| for (y = 0; y < dst_h; y++) { |
| dst = out->data[component] + y * dst_linesize; |
| for (x = start; x < end; x++) { |
| if (dst[x] != bg) { |
| dst[x] = 255; |
| break; |
| } |
| } |
| for (x = end - 1; x >= start; x--) { |
| if (dst[x] != bg) { |
| dst[x] = 255; |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| static void envelope_peak16(WaveformContext *s, AVFrame *out, int plane, int component) |
| { |
| const int dst_linesize = out->linesize[component] / 2; |
| const int bg = s->bg_color[component] * (s->max / 256); |
| const int limit = s->max - 1; |
| const int is_chroma = (component == 1 || component == 2); |
| const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0); |
| const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0); |
| const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h); |
| const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w); |
| const int start = s->estart[plane]; |
| const int end = s->eend[plane]; |
| int *emax = s->emax[plane][component]; |
| int *emin = s->emin[plane][component]; |
| uint16_t *dst; |
| int x, y; |
| |
| if (s->mode) { |
| for (x = 0; x < dst_w; x++) { |
| for (y = start; y < end && y < emin[x]; y++) { |
| dst = (uint16_t *)out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| emin[x] = y; |
| break; |
| } |
| } |
| for (y = end - 1; y >= start && y >= emax[x]; y--) { |
| dst = (uint16_t *)out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| emax[x] = y; |
| break; |
| } |
| } |
| } |
| |
| if (s->envelope == 3) |
| envelope_instant16(s, out, plane, component); |
| |
| for (x = 0; x < dst_w; x++) { |
| dst = (uint16_t *)out->data[component] + emin[x] * dst_linesize + x; |
| dst[0] = limit; |
| dst = (uint16_t *)out->data[component] + emax[x] * dst_linesize + x; |
| dst[0] = limit; |
| } |
| } else { |
| for (y = 0; y < dst_h; y++) { |
| dst = (uint16_t *)out->data[component] + y * dst_linesize; |
| for (x = start; x < end && x < emin[y]; x++) { |
| if (dst[x] != bg) { |
| emin[y] = x; |
| break; |
| } |
| } |
| for (x = end - 1; x >= start && x >= emax[y]; x--) { |
| if (dst[x] != bg) { |
| emax[y] = x; |
| break; |
| } |
| } |
| } |
| |
| if (s->envelope == 3) |
| envelope_instant16(s, out, plane, component); |
| |
| for (y = 0; y < dst_h; y++) { |
| dst = (uint16_t *)out->data[component] + y * dst_linesize + emin[y]; |
| dst[0] = limit; |
| dst = (uint16_t *)out->data[component] + y * dst_linesize + emax[y]; |
| dst[0] = limit; |
| } |
| } |
| } |
| |
| static void envelope_peak(WaveformContext *s, AVFrame *out, int plane, int component) |
| { |
| const int dst_linesize = out->linesize[component]; |
| const int bg = s->bg_color[component]; |
| const int is_chroma = (component == 1 || component == 2); |
| const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0); |
| const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0); |
| const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h); |
| const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w); |
| const int start = s->estart[plane]; |
| const int end = s->eend[plane]; |
| int *emax = s->emax[plane][component]; |
| int *emin = s->emin[plane][component]; |
| uint8_t *dst; |
| int x, y; |
| |
| if (s->mode) { |
| for (x = 0; x < dst_w; x++) { |
| for (y = start; y < end && y < emin[x]; y++) { |
| dst = out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| emin[x] = y; |
| break; |
| } |
| } |
| for (y = end - 1; y >= start && y >= emax[x]; y--) { |
| dst = out->data[component] + y * dst_linesize + x; |
| if (dst[0] != bg) { |
| emax[x] = y; |
| break; |
| } |
| } |
| } |
| |
| if (s->envelope == 3) |
| envelope_instant(s, out, plane, component); |
| |
| for (x = 0; x < dst_w; x++) { |
| dst = out->data[component] + emin[x] * dst_linesize + x; |
| dst[0] = 255; |
| dst = out->data[component] + emax[x] * dst_linesize + x; |
| dst[0] = 255; |
| } |
| } else { |
| for (y = 0; y < dst_h; y++) { |
| dst = out->data[component] + y * dst_linesize; |
| for (x = start; x < end && x < emin[y]; x++) { |
| if (dst[x] != bg) { |
| emin[y] = x; |
| break; |
| } |
| } |
| for (x = end - 1; x >= start && x >= emax[y]; x--) { |
| if (dst[x] != bg) { |
| emax[y] = x; |
| break; |
| } |
| } |
| } |
| |
| if (s->envelope == 3) |
| envelope_instant(s, out, plane, component); |
| |
| for (y = 0; y < dst_h; y++) { |
| dst = out->data[component] + y * dst_linesize + emin[y]; |
| dst[0] = 255; |
| dst = out->data[component] + y * dst_linesize + emax[y]; |
| dst[0] = 255; |
| } |
| } |
| } |
| |
| static void envelope16(WaveformContext *s, AVFrame *out, int plane, int component) |
| { |
| if (s->envelope == 0) { |
| return; |
| } else if (s->envelope == 1) { |
| envelope_instant16(s, out, plane, component); |
| } else { |
| envelope_peak16(s, out, plane, component); |
| } |
| } |
| |
| static void envelope(WaveformContext *s, AVFrame *out, int plane, int component) |
| { |
| if (s->envelope == 0) { |
| return; |
| } else if (s->envelope == 1) { |
| envelope_instant(s, out, plane, component); |
| } else { |
| envelope_peak(s, out, plane, component); |
| } |
| } |
| |
| static void update16(uint16_t *target, int max, int intensity, int limit) |
| { |
| if (*target <= max) |
| *target += intensity; |
| else |
| *target = limit; |
| } |
| |
| static void update(uint8_t *target, int max, int intensity) |
| { |
| if (*target <= max) |
| *target += intensity; |
| else |
| *target = 255; |
| } |
| |
| static void lowpass16(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const int is_chroma = (component == 1 || component == 2); |
| const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0); |
| const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0); |
| const int src_linesize = in->linesize[plane] / 2; |
| const int dst_linesize = out->linesize[plane] / 2; |
| const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1); |
| const int limit = s->max - 1; |
| const int max = limit - intensity; |
| const int src_h = AV_CEIL_RSHIFT(in->height, shift_h); |
| const int src_w = AV_CEIL_RSHIFT(in->width, shift_w); |
| const uint16_t *src_data = (const uint16_t *)in->data[plane]; |
| uint16_t *dst_data = (uint16_t *)out->data[plane] + (column ? (offset >> shift_h) * dst_linesize : offset >> shift_w); |
| uint16_t * const dst_bottom_line = dst_data + dst_linesize * ((s->size >> shift_h) - 1); |
| uint16_t * const dst_line = (mirror ? dst_bottom_line : dst_data); |
| const uint16_t *p; |
| int y; |
| |
| if (!column && mirror) |
| dst_data += s->size >> shift_w; |
| |
| for (y = 0; y < src_h; y++) { |
| const uint16_t *src_data_end = src_data + src_w; |
| uint16_t *dst = dst_line; |
| |
| for (p = src_data; p < src_data_end; p++) { |
| uint16_t *target; |
| int v = FFMIN(*p, limit); |
| |
| if (column) { |
| target = dst++ + dst_signed_linesize * (v >> shift_h); |
| } else { |
| if (mirror) |
| target = dst_data - (v >> shift_w) - 1; |
| else |
| target = dst_data + (v >> shift_w); |
| } |
| update16(target, max, intensity, limit); |
| } |
| src_data += src_linesize; |
| dst_data += dst_linesize; |
| } |
| |
| envelope16(s, out, plane, plane); |
| } |
| |
| static void lowpass(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const int is_chroma = (component == 1 || component == 2); |
| const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0); |
| const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0); |
| const int src_linesize = in->linesize[plane]; |
| const int dst_linesize = out->linesize[plane]; |
| const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1); |
| const int max = 255 - intensity; |
| const int src_h = AV_CEIL_RSHIFT(in->height, shift_h); |
| const int src_w = AV_CEIL_RSHIFT(in->width, shift_w); |
| const uint8_t *src_data = in->data[plane]; |
| uint8_t *dst_data = out->data[plane] + (column ? (offset >> shift_h) * dst_linesize : offset >> shift_w); |
| uint8_t * const dst_bottom_line = dst_data + dst_linesize * ((s->size >> shift_h) - 1); |
| uint8_t * const dst_line = (mirror ? dst_bottom_line : dst_data); |
| const uint8_t *p; |
| int y; |
| |
| if (!column && mirror) |
| dst_data += s->size >> shift_w; |
| |
| for (y = 0; y < src_h; y++) { |
| const uint8_t *src_data_end = src_data + src_w; |
| uint8_t *dst = dst_line; |
| |
| for (p = src_data; p < src_data_end; p++) { |
| uint8_t *target; |
| if (column) { |
| target = dst++ + dst_signed_linesize * (*p >> shift_h); |
| } else { |
| if (mirror) |
| target = dst_data - (*p >> shift_w) - 1; |
| else |
| target = dst_data + (*p >> shift_w); |
| } |
| update(target, max, intensity); |
| } |
| src_data += src_linesize; |
| dst_data += dst_linesize; |
| } |
| |
| envelope(s, out, plane, plane); |
| } |
| |
| static void flat(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const int c0_linesize = in->linesize[ plane + 0 ]; |
| const int c1_linesize = in->linesize[(plane + 1) % s->ncomp]; |
| const int c2_linesize = in->linesize[(plane + 2) % s->ncomp]; |
| const int d0_linesize = out->linesize[ plane + 0 ]; |
| const int d1_linesize = out->linesize[(plane + 1) % s->ncomp]; |
| const int max = 255 - intensity; |
| const int src_h = in->height; |
| const int src_w = in->width; |
| int x, y; |
| |
| if (column) { |
| const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1); |
| const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1); |
| |
| for (x = 0; x < src_w; x++) { |
| const uint8_t *c0_data = in->data[plane + 0]; |
| const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *d0_data = out->data[plane] + offset * d0_linesize; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize; |
| uint8_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1); |
| uint8_t * const d0 = (mirror ? d0_bottom_line : d0_data); |
| uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1); |
| uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data); |
| |
| for (y = 0; y < src_h; y++) { |
| const int c0 = c0_data[x] + 256; |
| const int c1 = FFABS(c1_data[x] - 128) + FFABS(c2_data[x] - 128); |
| uint8_t *target; |
| |
| target = d0 + x + d0_signed_linesize * c0; |
| update(target, max, intensity); |
| target = d1 + x + d1_signed_linesize * (c0 - c1); |
| update(target, max, 1); |
| target = d1 + x + d1_signed_linesize * (c0 + c1); |
| update(target, max, 1); |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| } |
| } |
| } else { |
| const uint8_t *c0_data = in->data[plane]; |
| const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *d0_data = out->data[plane] + offset; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset; |
| |
| if (mirror) { |
| d0_data += s->size - 1; |
| d1_data += s->size - 1; |
| } |
| |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| int c0 = c0_data[x] + 256; |
| const int c1 = FFABS(c1_data[x] - 128) + FFABS(c2_data[x] - 128); |
| uint8_t *target; |
| |
| if (mirror) { |
| target = d0_data - c0; |
| update(target, max, intensity); |
| target = d1_data - (c0 - c1); |
| update(target, max, 1); |
| target = d1_data - (c0 + c1); |
| update(target, max, 1); |
| } else { |
| target = d0_data + c0; |
| update(target, max, intensity); |
| target = d1_data + (c0 - c1); |
| update(target, max, 1); |
| target = d1_data + (c0 + c1); |
| update(target, max, 1); |
| } |
| } |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| } |
| } |
| |
| envelope(s, out, plane, plane); |
| envelope(s, out, plane, (plane + 1) % s->ncomp); |
| } |
| |
| static void aflat(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const int c0_linesize = in->linesize[ plane + 0 ]; |
| const int c1_linesize = in->linesize[(plane + 1) % s->ncomp]; |
| const int c2_linesize = in->linesize[(plane + 2) % s->ncomp]; |
| const int d0_linesize = out->linesize[ plane + 0 ]; |
| const int d1_linesize = out->linesize[(plane + 1) % s->ncomp]; |
| const int d2_linesize = out->linesize[(plane + 2) % s->ncomp]; |
| const int max = 255 - intensity; |
| const int src_h = in->height; |
| const int src_w = in->width; |
| int x, y; |
| |
| if (column) { |
| const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1); |
| const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1); |
| const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1); |
| |
| for (x = 0; x < src_w; x++) { |
| const uint8_t *c0_data = in->data[plane + 0]; |
| const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *d0_data = out->data[plane] + offset * d0_linesize; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize; |
| uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset * d2_linesize; |
| uint8_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1); |
| uint8_t * const d0 = (mirror ? d0_bottom_line : d0_data); |
| uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1); |
| uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data); |
| uint8_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1); |
| uint8_t * const d2 = (mirror ? d2_bottom_line : d2_data); |
| |
| for (y = 0; y < src_h; y++) { |
| const int c0 = c0_data[x] + 128; |
| const int c1 = c1_data[x] - 128; |
| const int c2 = c2_data[x] - 128; |
| uint8_t *target; |
| |
| target = d0 + x + d0_signed_linesize * c0; |
| update(target, max, intensity); |
| |
| target = d1 + x + d1_signed_linesize * (c0 + c1); |
| update(target, max, 1); |
| |
| target = d2 + x + d2_signed_linesize * (c0 + c2); |
| update(target, max, 1); |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } |
| } else { |
| const uint8_t *c0_data = in->data[plane]; |
| const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *d0_data = out->data[plane] + offset; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset; |
| uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset; |
| |
| if (mirror) { |
| d0_data += s->size - 1; |
| d1_data += s->size - 1; |
| d2_data += s->size - 1; |
| } |
| |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| const int c0 = c0_data[x] + 128; |
| const int c1 = c1_data[x] - 128; |
| const int c2 = c2_data[x] - 128; |
| uint8_t *target; |
| |
| if (mirror) { |
| target = d0_data - c0; |
| update(target, max, intensity); |
| target = d1_data - (c0 + c1); |
| update(target, max, 1); |
| target = d2_data - (c0 + c2); |
| update(target, max, 1); |
| } else { |
| target = d0_data + c0; |
| update(target, max, intensity); |
| target = d1_data + (c0 + c1); |
| update(target, max, 1); |
| target = d2_data + (c0 + c2); |
| update(target, max, 1); |
| } |
| } |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } |
| |
| envelope(s, out, plane, (plane + 0) % s->ncomp); |
| envelope(s, out, plane, (plane + 1) % s->ncomp); |
| envelope(s, out, plane, (plane + 2) % s->ncomp); |
| } |
| |
| static void chroma(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const int c0_linesize = in->linesize[(plane + 1) % s->ncomp]; |
| const int c1_linesize = in->linesize[(plane + 2) % s->ncomp]; |
| const int dst_linesize = out->linesize[plane]; |
| const int max = 255 - intensity; |
| const int src_h = in->height; |
| const int src_w = in->width; |
| int x, y; |
| |
| if (column) { |
| const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1); |
| |
| for (x = 0; x < src_w; x++) { |
| const uint8_t *c0_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c1_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *dst_data = out->data[plane] + offset * dst_linesize; |
| uint8_t * const dst_bottom_line = dst_data + dst_linesize * (s->size - 1); |
| uint8_t * const dst_line = (mirror ? dst_bottom_line : dst_data); |
| uint8_t *dst = dst_line; |
| |
| for (y = 0; y < src_h; y++) { |
| const int sum = FFABS(c0_data[x] - 128) + FFABS(c1_data[x] - 128); |
| uint8_t *target; |
| |
| target = dst + x + dst_signed_linesize * (256 - sum); |
| update(target, max, intensity); |
| target = dst + x + dst_signed_linesize * (255 + sum); |
| update(target, max, intensity); |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| dst_data += dst_linesize; |
| } |
| } |
| } else { |
| const uint8_t *c0_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c1_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *dst_data = out->data[plane] + offset; |
| |
| if (mirror) |
| dst_data += s->size - 1; |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| const int sum = FFABS(c0_data[x] - 128) + FFABS(c1_data[x] - 128); |
| uint8_t *target; |
| |
| if (mirror) { |
| target = dst_data - (256 - sum); |
| update(target, max, intensity); |
| target = dst_data - (255 + sum); |
| update(target, max, intensity); |
| } else { |
| target = dst_data + (256 - sum); |
| update(target, max, intensity); |
| target = dst_data + (255 + sum); |
| update(target, max, intensity); |
| } |
| } |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| dst_data += dst_linesize; |
| } |
| } |
| |
| envelope(s, out, plane, (plane + 0) % s->ncomp); |
| } |
| |
| static void achroma(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const int c1_linesize = in->linesize[(plane + 1) % s->ncomp]; |
| const int c2_linesize = in->linesize[(plane + 2) % s->ncomp]; |
| const int d1_linesize = out->linesize[(plane + 1) % s->ncomp]; |
| const int d2_linesize = out->linesize[(plane + 2) % s->ncomp]; |
| const int max = 255 - intensity; |
| const int src_h = in->height; |
| const int src_w = in->width; |
| int x, y; |
| |
| if (column) { |
| const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1); |
| const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1); |
| |
| for (x = 0; x < src_w; x++) { |
| const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize; |
| uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset * d2_linesize; |
| uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1); |
| uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data); |
| uint8_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1); |
| uint8_t * const d2 = (mirror ? d2_bottom_line : d2_data); |
| |
| for (y = 0; y < src_h; y++) { |
| const int c1 = c1_data[x] - 128; |
| const int c2 = c2_data[x] - 128; |
| uint8_t *target; |
| |
| target = d1 + x + d1_signed_linesize * (128 + c1); |
| update(target, max, intensity); |
| |
| target = d2 + x + d2_signed_linesize * (128 + c2); |
| update(target, max, intensity); |
| |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } |
| } else { |
| const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp]; |
| uint8_t *d0_data = out->data[plane] + offset; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset; |
| uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset; |
| |
| if (mirror) { |
| d0_data += s->size - 1; |
| d1_data += s->size - 1; |
| d2_data += s->size - 1; |
| } |
| |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| const int c1 = c1_data[x] - 128; |
| const int c2 = c2_data[x] - 128; |
| uint8_t *target; |
| |
| if (mirror) { |
| target = d1_data - (128 + c1); |
| update(target, max, intensity); |
| target = d2_data - (128 + c2); |
| update(target, max, intensity); |
| } else { |
| target = d1_data + (128 + c1); |
| update(target, max, intensity); |
| target = d2_data + (128 + c2); |
| update(target, max, intensity); |
| } |
| } |
| |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } |
| |
| envelope(s, out, plane, (plane + 1) % s->ncomp); |
| envelope(s, out, plane, (plane + 2) % s->ncomp); |
| } |
| |
| static void color16(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const int limit = s->max - 1; |
| const uint16_t *c0_data = (const uint16_t *)in->data[plane + 0]; |
| const uint16_t *c1_data = (const uint16_t *)in->data[(plane + 1) % s->ncomp]; |
| const uint16_t *c2_data = (const uint16_t *)in->data[(plane + 2) % s->ncomp]; |
| const int c0_linesize = in->linesize[ plane + 0 ] / 2; |
| const int c1_linesize = in->linesize[(plane + 1) % s->ncomp] / 2; |
| const int c2_linesize = in->linesize[(plane + 2) % s->ncomp] / 2; |
| const int d0_linesize = out->linesize[ plane + 0 ] / 2; |
| const int d1_linesize = out->linesize[(plane + 1) % s->ncomp] / 2; |
| const int d2_linesize = out->linesize[(plane + 2) % s->ncomp] / 2; |
| const int src_h = in->height; |
| const int src_w = in->width; |
| int x, y; |
| |
| if (s->mode) { |
| const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1); |
| const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1); |
| const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1); |
| uint16_t *d0_data = (uint16_t *)out->data[plane] + offset * d0_linesize; |
| uint16_t *d1_data = (uint16_t *)out->data[(plane + 1) % s->ncomp] + offset * d1_linesize; |
| uint16_t *d2_data = (uint16_t *)out->data[(plane + 2) % s->ncomp] + offset * d2_linesize; |
| uint16_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1); |
| uint16_t * const d0 = (mirror ? d0_bottom_line : d0_data); |
| uint16_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1); |
| uint16_t * const d1 = (mirror ? d1_bottom_line : d1_data); |
| uint16_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1); |
| uint16_t * const d2 = (mirror ? d2_bottom_line : d2_data); |
| |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| const int c0 = FFMIN(c0_data[x], limit); |
| const int c1 = c1_data[x]; |
| const int c2 = c2_data[x]; |
| |
| *(d0 + d0_signed_linesize * c0 + x) = c0; |
| *(d1 + d1_signed_linesize * c0 + x) = c1; |
| *(d2 + d2_signed_linesize * c0 + x) = c2; |
| } |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } else { |
| uint16_t *d0_data = (uint16_t *)out->data[plane] + offset; |
| uint16_t *d1_data = (uint16_t *)out->data[(plane + 1) % s->ncomp] + offset; |
| uint16_t *d2_data = (uint16_t *)out->data[(plane + 2) % s->ncomp] + offset; |
| |
| if (mirror) { |
| d0_data += s->size - 1; |
| d1_data += s->size - 1; |
| d2_data += s->size - 1; |
| } |
| |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| const int c0 = FFMIN(c0_data[x], limit); |
| const int c1 = c1_data[x]; |
| const int c2 = c2_data[x]; |
| |
| if (mirror) { |
| *(d0_data - c0) = c0; |
| *(d1_data - c0) = c1; |
| *(d2_data - c0) = c2; |
| } else { |
| *(d0_data + c0) = c0; |
| *(d1_data + c0) = c1; |
| *(d2_data + c0) = c2; |
| } |
| } |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } |
| |
| envelope16(s, out, plane, plane); |
| } |
| |
| static void color(WaveformContext *s, AVFrame *in, AVFrame *out, |
| int component, int intensity, int offset, int column) |
| { |
| const int plane = s->desc->comp[component].plane; |
| const int mirror = s->mirror; |
| const uint8_t *c0_data = in->data[plane + 0]; |
| const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp]; |
| const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp]; |
| const int c0_linesize = in->linesize[ plane + 0 ]; |
| const int c1_linesize = in->linesize[(plane + 1) % s->ncomp]; |
| const int c2_linesize = in->linesize[(plane + 2) % s->ncomp]; |
| const int d0_linesize = out->linesize[ plane + 0 ]; |
| const int d1_linesize = out->linesize[(plane + 1) % s->ncomp]; |
| const int d2_linesize = out->linesize[(plane + 2) % s->ncomp]; |
| const int src_h = in->height; |
| const int src_w = in->width; |
| int x, y; |
| |
| if (s->mode) { |
| const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1); |
| const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1); |
| const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1); |
| uint8_t *d0_data = out->data[plane] + offset * d0_linesize; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize; |
| uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset * d2_linesize; |
| uint8_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1); |
| uint8_t * const d0 = (mirror ? d0_bottom_line : d0_data); |
| uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1); |
| uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data); |
| uint8_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1); |
| uint8_t * const d2 = (mirror ? d2_bottom_line : d2_data); |
| |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| const int c0 = c0_data[x]; |
| const int c1 = c1_data[x]; |
| const int c2 = c2_data[x]; |
| |
| *(d0 + d0_signed_linesize * c0 + x) = c0; |
| *(d1 + d1_signed_linesize * c0 + x) = c1; |
| *(d2 + d2_signed_linesize * c0 + x) = c2; |
| } |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } else { |
| uint8_t *d0_data = out->data[plane] + offset; |
| uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset; |
| uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset; |
| |
| if (mirror) { |
| d0_data += s->size - 1; |
| d1_data += s->size - 1; |
| d2_data += s->size - 1; |
| } |
| |
| for (y = 0; y < src_h; y++) { |
| for (x = 0; x < src_w; x++) { |
| const int c0 = c0_data[x]; |
| const int c1 = c1_data[x]; |
| const int c2 = c2_data[x]; |
| |
| if (mirror) { |
| *(d0_data - c0) = c0; |
| *(d1_data - c0) = c1; |
| *(d2_data - c0) = c2; |
| } else { |
| *(d0_data + c0) = c0; |
| *(d1_data + c0) = c1; |
| *(d2_data + c0) = c2; |
| } |
| } |
| |
| c0_data += c0_linesize; |
| c1_data += c1_linesize; |
| c2_data += c2_linesize; |
| d0_data += d0_linesize; |
| d1_data += d1_linesize; |
| d2_data += d2_linesize; |
| } |
| } |
| |
| envelope(s, out, plane, plane); |
| } |
| |
| static const uint8_t black_yuva_color[4] = { 0, 127, 127, 255 }; |
| static const uint8_t black_gbrp_color[4] = { 0, 0, 0, 255 }; |
| |
| static int config_input(AVFilterLink *inlink) |
| { |
| AVFilterContext *ctx = inlink->dst; |
| WaveformContext *s = ctx->priv; |
| |
| s->desc = av_pix_fmt_desc_get(inlink->format); |
| s->ncomp = s->desc->nb_components; |
| s->bits = s->desc->comp[0].depth; |
| s->max = 1 << s->bits; |
| s->intensity = s->fintensity * (s->max - 1); |
| |
| switch (s->filter) { |
| case LOWPASS: |
| s->size = 256; |
| s->waveform = s->bits > 8 ? lowpass16 : lowpass; break; |
| case FLAT: |
| s->size = 256 * 3; |
| s->waveform = flat; break; |
| case AFLAT: |
| s->size = 256 * 2; |
| s->waveform = aflat; break; |
| case CHROMA: |
| s->size = 256 * 2; |
| s->waveform = chroma; break; |
| case ACHROMA: |
| s->size = 256; |
| s->waveform = achroma; break; |
| case COLOR: |
| s->size = 256; |
| s->waveform = s->bits > 8 ? color16 : color; break; |
| } |
| |
| s->size = s->size << (s->bits - 8); |
| |
| switch (inlink->format) { |
| case AV_PIX_FMT_GBRAP: |
| case AV_PIX_FMT_GBRP: |
| case AV_PIX_FMT_GBRP9: |
| case AV_PIX_FMT_GBRP10: |
| s->bg_color = black_gbrp_color; |
| break; |
| default: |
| s->bg_color = black_yuva_color; |
| } |
| |
| return 0; |
| } |
| |
| static int config_output(AVFilterLink *outlink) |
| { |
| AVFilterContext *ctx = outlink->src; |
| AVFilterLink *inlink = ctx->inputs[0]; |
| WaveformContext *s = ctx->priv; |
| int comp = 0, i, j = 0, k, p, size, shift; |
| |
| for (i = 0; i < s->ncomp; i++) { |
| if ((1 << i) & s->pcomp) |
| comp++; |
| } |
| |
| av_freep(&s->peak); |
| |
| if (s->mode) { |
| outlink->h = s->size * FFMAX(comp * s->display, 1); |
| size = inlink->w; |
| } else { |
| outlink->w = s->size * FFMAX(comp * s->display, 1); |
| size = inlink->h; |
| } |
| |
| s->peak = av_malloc_array(size, 32 * sizeof(*s->peak)); |
| if (!s->peak) |
| return AVERROR(ENOMEM); |
| |
| for (p = 0; p < 4; p++) { |
| const int is_chroma = (p == 1 || p == 2); |
| const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0); |
| const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0); |
| const int plane = s->desc->comp[p].plane; |
| int offset; |
| |
| if (!((1 << p) & s->pcomp)) |
| continue; |
| |
| shift = s->mode ? shift_h : shift_w; |
| |
| for (k = 0; k < 4; k++) { |
| s->emax[plane][k] = s->peak + size * (plane * 4 + k + 0); |
| s->emin[plane][k] = s->peak + size * (plane * 4 + k + 16); |
| } |
| |
| offset = j++ * s->size * s->display; |
| s->estart[plane] = offset >> shift; |
| s->eend[plane] = (offset + s->size - 1) >> shift; |
| for (i = 0; i < size; i++) { |
| for (k = 0; k < 4; k++) { |
| s->emax[plane][k][i] = s->estart[plane]; |
| s->emin[plane][k][i] = s->eend[plane]; |
| } |
| } |
| } |
| |
| outlink->sample_aspect_ratio = (AVRational){1,1}; |
| |
| return 0; |
| } |
| |
| static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
| { |
| AVFilterContext *ctx = inlink->dst; |
| WaveformContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| AVFrame *out; |
| int i, j, k; |
| |
| out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| if (!out) { |
| av_frame_free(&in); |
| return AVERROR(ENOMEM); |
| } |
| out->pts = in->pts; |
| |
| for (k = 0; k < s->ncomp; k++) { |
| const int is_chroma = (k == 1 || k == 2); |
| const int dst_h = AV_CEIL_RSHIFT(outlink->h, (is_chroma ? s->desc->log2_chroma_h : 0)); |
| const int dst_w = AV_CEIL_RSHIFT(outlink->w, (is_chroma ? s->desc->log2_chroma_w : 0)); |
| if (s->bits <= 8) { |
| for (i = 0; i < dst_h ; i++) |
| memset(out->data[s->desc->comp[k].plane] + |
| i * out->linesize[s->desc->comp[k].plane], |
| s->bg_color[k], dst_w); |
| } else { |
| const int mult = s->size / 256; |
| uint16_t *dst = (uint16_t *)out->data[s->desc->comp[k].plane]; |
| |
| for (i = 0; i < dst_h ; i++) { |
| for (j = 0; j < dst_w; j++) |
| dst[j] = s->bg_color[k] * mult; |
| dst += out->linesize[s->desc->comp[k].plane] / 2; |
| } |
| } |
| } |
| |
| for (k = 0, i = 0; k < s->ncomp; k++) { |
| if ((1 << k) & s->pcomp) { |
| const int offset = i++ * s->size * s->display; |
| s->waveform(s, in, out, k, s->intensity, offset, s->mode); |
| } |
| } |
| |
| av_frame_free(&in); |
| return ff_filter_frame(outlink, out); |
| } |
| |
| static av_cold void uninit(AVFilterContext *ctx) |
| { |
| WaveformContext *s = ctx->priv; |
| |
| av_freep(&s->peak); |
| } |
| |
| static const AVFilterPad inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = filter_frame, |
| .config_props = config_input, |
| }, |
| { NULL } |
| }; |
| |
| static const AVFilterPad outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = config_output, |
| }, |
| { NULL } |
| }; |
| |
| AVFilter ff_vf_waveform = { |
| .name = "waveform", |
| .description = NULL_IF_CONFIG_SMALL("Video waveform monitor."), |
| .priv_size = sizeof(WaveformContext), |
| .priv_class = &waveform_class, |
| .query_formats = query_formats, |
| .uninit = uninit, |
| .inputs = inputs, |
| .outputs = outputs, |
| }; |
