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-rw-r--r--TOOLS/vf_dlopen/telecine.c269
1 files changed, 0 insertions, 269 deletions
diff --git a/TOOLS/vf_dlopen/telecine.c b/TOOLS/vf_dlopen/telecine.c
deleted file mode 100644
index 6c5eb4adc0..0000000000
--- a/TOOLS/vf_dlopen/telecine.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * Copyright (c) 2012 Rudolf Polzer <divVerent@xonotic.org>
- *
- * This file is part of mpv's vf_dlopen examples.
- *
- * mpv's vf_dlopen examples are free software; you can redistribute them and/or
- * modify them 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.
- *
- * mpv's vf_dlopen examples are distributed in the hope that they 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 mpv's vf_dlopen examples; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "vf_dlopen.h"
-#include "filterutils.h"
-
-#define MIN(a,b) ((a)<(b)?(a):(b))
-
-/*
- * telecine filter
- *
- * usage: --vf=dlopen=/path/to/telecine.so:t:23
- *
- * Parameter: first parameter is "t" for top field first, "b" for bottom field first
- * then digits (0-9) for how many fields a frame is to be displayed
- *
- * Typical patterns (see http://en.wikipedia.org/wiki/Telecine):
- *
- * NTSC output (30i):
- * 27.5p: 32222
- * 24p: 23 (classic)
- * 24p: 2332 (preferred)
- * 20p: 33
- * 18p: 334
- * 16p: 3444
- *
- * PAL output (25i):
- * 27.5p: 12222
- * 24p: 222222222223 ("Euro pulldown")
- * 16.67p: 33
- * 16p: 33333334
- */
-
-typedef struct {
- int firstfield;
- const char *pattern;
- unsigned int pattern_pos;
- unsigned char *buffer_plane[4];
- size_t buffer_size[4];
- int pts_num;
- int pts_denom;
- int occupied;
- double lastpts_in;
- double lastpts_out;
- int first_frame_of_group;
-} tc_data_t;
-
-static int tc_config(struct vf_dlopen_context *ctx)
-{
- // we may return more than one pic!
- tc_data_t *tc = ctx->priv;
- const char *p;
- int max = 0;
- tc->pts_num = 0;
- tc->pts_denom = 0;
- for (p = tc->pattern; *p; ++p) {
- if (*p - '0' > max)
- max = *p - '0';
- tc->pts_num += 2;
- tc->pts_denom += *p - '0';
- }
- ctx->out_cnt = (max + 1) / 2;
- printf(
- "Telecine pattern %s yields up to %d frames per frame, pts advance factor: %d/%d\n",
- tc->pattern, ctx->out_cnt, tc->pts_num, tc->pts_denom);
- return 1;
-}
-
-static int tc_put_image(struct vf_dlopen_context *ctx)
-{
- tc_data_t *tc = ctx->priv;
-
- unsigned p;
- unsigned np = ctx->outpic[0].planes;
- assert(ctx->inpic.planes == ctx->outpic[0].planes);
-
- int need_reinit = 0;
-
- // fix buffers
- for (p = 0; p < np; ++p) {
- size_t sz = ctx->inpic.planestride[p] * ctx->inpic.planeheight[p];
- if (sz != tc->buffer_size[p]) {
- if (p == 0 && tc->buffer_plane[p])
- printf("WARNING: reinitializing telecine buffers.\n");
- tc->buffer_plane[p] = realloc(tc->buffer_plane[p], sz);
- tc->buffer_size[p] = sz;
- need_reinit = 1;
- }
- }
-
- // too big pts change? reinit
- if (ctx->inpic.pts < tc->lastpts_in || ctx->inpic.pts > tc->lastpts_in + 0.5)
- need_reinit = 1;
-
- if (need_reinit) {
- // initialize telecine
- tc->pattern_pos = 0;
- tc->occupied = 0;
- tc->lastpts_in = ctx->inpic.pts;
- tc->lastpts_out = ctx->inpic.pts;
- }
-
- int len = tc->pattern[tc->pattern_pos] - '0';
- unsigned nout;
- double delta = ctx->inpic.pts - tc->lastpts_in;
- tc->lastpts_in = ctx->inpic.pts;
-
- for (nout = 0; nout < ctx->out_cnt; ++nout) {
- for (p = 0; p < np; ++p) {
- assert(ctx->inpic.planewidth[p] == ctx->outpic[nout].planewidth[p]);
- assert(ctx->inpic.planeheight[p] == ctx->outpic[nout].planeheight[p]);
- }
- }
- nout = 0;
-
- if (tc->pattern_pos == 0 && !tc->occupied) {
- // at the start of the pattern, reset pts
- // printf("pts reset: %f -> %f (delta: %f)\n", tc->lastpts_out, ctx->inpic.pts, ctx->inpic.pts - tc->lastpts_out);
- tc->lastpts_out = ctx->inpic.pts;
- tc->first_frame_of_group = 1;
- }
- ++tc->pattern_pos;
- if (!tc->pattern[tc->pattern_pos])
- tc->pattern_pos = 0;
-
- if (len == 0) {
- // do not output any field from this frame
- return 0;
- }
-
- if (tc->occupied) {
- for (p = 0; p < np; ++p) {
- // fill in the EARLIER field from the buffered pic
- copy_plane(
- &ctx->outpic[nout].plane[p][ctx->outpic[nout].planestride[p] * tc->firstfield],
- ctx->outpic[nout].planestride[p] * 2,
- &tc->buffer_plane[p][ctx->inpic.planestride[p] * tc->firstfield],
- ctx->inpic.planestride[p] * 2,
- MIN(ctx->inpic.planestride[p], ctx->outpic[nout].planestride[p]),
- (ctx->inpic.planeheight[p] - tc->firstfield + 1) / 2
- );
- // fill in the LATER field from the new pic
- copy_plane(
- &ctx->outpic[nout].plane[p][ctx->outpic[nout].planestride[p] * !tc->firstfield],
- ctx->outpic[nout].planestride[p] * 2,
- &ctx->inpic.plane[p][ctx->inpic.planestride[p] * !tc->firstfield],
- ctx->inpic.planestride[p] * 2,
- MIN(ctx->inpic.planestride[p], ctx->outpic[nout].planestride[p]),
- (ctx->inpic.planeheight[p] - !tc->firstfield + 1) / 2
- );
- }
- if (tc->first_frame_of_group)
- tc->first_frame_of_group = 0;
- else
- tc->lastpts_out += (delta * tc->pts_num) / tc->pts_denom;
- ctx->outpic[nout].pts = tc->lastpts_out;
- // printf("pts written: %f\n", ctx->outpic[nout].pts);
- ++nout;
- --len;
- tc->occupied = 0;
- }
-
- while (len >= 2) {
- // output THIS image as-is
- for (p = 0; p < np; ++p)
- copy_plane(
- ctx->outpic[nout].plane[p], ctx->outpic[nout].planestride[p],
- ctx->inpic.plane[p], ctx->inpic.planestride[p],
- MIN(ctx->inpic.planestride[p], ctx->outpic[nout].planestride[p]),
- ctx->inpic.planeheight[p]
- );
- if (tc->first_frame_of_group)
- tc->first_frame_of_group = 0;
- else
- tc->lastpts_out += (delta * tc->pts_num) / tc->pts_denom;
- ctx->outpic[nout].pts = tc->lastpts_out;
- // printf("pts written: %f\n", ctx->outpic[nout].pts);
- ++nout;
- len -= 2;
- }
-
- if (len >= 1) {
- // copy THIS image to the buffer, we need it later
- for (p = 0; p < np; ++p)
- copy_plane(
- &tc->buffer_plane[p][0], ctx->inpic.planestride[p],
- &ctx->inpic.plane[p][0], ctx->inpic.planestride[p],
- ctx->inpic.planestride[p],
- ctx->inpic.planeheight[p]
- );
- tc->occupied = 1;
- }
-
- return nout;
-}
-
-void tc_uninit(struct vf_dlopen_context *ctx)
-{
- tc_data_t *tc = ctx->priv;
- free(tc->buffer_plane[3]);
- free(tc->buffer_plane[2]);
- free(tc->buffer_plane[1]);
- free(tc->buffer_plane[0]);
- free(tc);
-}
-
-int vf_dlopen_getcontext(struct vf_dlopen_context *ctx, int argc, const char **argv)
-{
- VF_DLOPEN_CHECK_VERSION(ctx);
-
- const char *a0 = (argc < 1) ? "t" : argv[0];
- const char *a1 = (argc < 2) ? "23" : argv[1];
-
- if (!a0[0] || a0[1] || !a1[0] || argc > 2)
- return -1;
-
- tc_data_t *tc = calloc(1,sizeof(tc_data_t));
-
- if (a0[0] == 't')
- tc->firstfield = 0;
- else if (a0[0] == 'b')
- tc->firstfield = 1;
- else {
- printf("telecine: invalid first field\n");
- free(tc);
- return -1;
- }
-
- tc->pattern = a1;
-
- const char *p;
- for (p = tc->pattern; *p; ++p)
- if (*p < '0' || *p > '9') {
- printf("telecine: invalid pattern\n");
- free(tc);
- return -1;
- }
-
- ctx->priv = tc;
- ctx->format_mapping = NULL; // anything goes
- ctx->config = tc_config;
- ctx->put_image = tc_put_image;
- ctx->uninit = tc_uninit;
-
- return 1;
-}
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