1 files changed, 0 insertions, 130 deletions
diff --git a/libavfilter/vsrc_nullsrc.c b/libavfilter/vsrc_nullsrc.c
deleted file mode 100644
index dfd56fa..0000000
--- a/libavfilter/vsrc_nullsrc.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * null video source
- */
-
-#include "libavutil/avstring.h"
-#include "libavutil/eval.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/parseutils.h"
-#include "avfilter.h"
-
-static const char *var_names[] = {
-    "E",
-    "PHI",
-    "PI",
-    "AVTB",   /* default timebase 1/AV_TIME_BASE */
-    NULL
-};
-
-enum var_name {
-    VAR_E,
-    VAR_PHI,
-    VAR_PI,
-    VAR_AVTB,
-    VAR_VARS_NB
-};
-
-typedef struct {
-    int w, h;
-    char tb_expr[256];
-    double var_values[VAR_VARS_NB];
-} NullContext;
-
-static int init(AVFilterContext *ctx, const char *args, void *opaque)
-{
-    NullContext *priv = ctx->priv;
-
-    priv->w = 352;
-    priv->h = 288;
-    av_strlcpy(priv->tb_expr, "AVTB", sizeof(priv->tb_expr));
-
-    if (args)
-        sscanf(args, "%d:%d:%255[^:]", &priv->w, &priv->h, priv->tb_expr);
-
-    if (priv->w <= 0 || priv->h <= 0) {
-        av_log(ctx, AV_LOG_ERROR, "Non-positive size values are not acceptable.\n");
-        return AVERROR(EINVAL);
-    }
-
-    return 0;
-}
-
-static int config_props(AVFilterLink *outlink)
-{
-    AVFilterContext *ctx = outlink->src;
-    NullContext *priv = ctx->priv;
-    AVRational tb;
-    int ret;
-    double res;
-
-    priv->var_values[VAR_E]    = M_E;
-    priv->var_values[VAR_PHI]  = M_PHI;
-    priv->var_values[VAR_PI]   = M_PI;
-    priv->var_values[VAR_AVTB] = av_q2d(AV_TIME_BASE_Q);
-
-    if ((ret = av_expr_parse_and_eval(&res, priv->tb_expr, var_names, priv->var_values,
-                                      NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0) {
-        av_log(ctx, AV_LOG_ERROR, "Invalid expression '%s' for timebase.\n", priv->tb_expr);
-        return ret;
-    }
-    tb = av_d2q(res, INT_MAX);
-    if (tb.num <= 0 || tb.den <= 0) {
-        av_log(ctx, AV_LOG_ERROR,
-               "Invalid non-positive value for the timebase %d/%d.\n",
-               tb.num, tb.den);
-        return AVERROR(EINVAL);
-    }
-
-    outlink->w = priv->w;
-    outlink->h = priv->h;
-    outlink->time_base = tb;
-
-    av_log(outlink->src, AV_LOG_INFO, "w:%d h:%d tb:%d/%d\n", priv->w, priv->h,
-           tb.num, tb.den);
-
-    return 0;
-}
-
-static int request_frame(AVFilterLink *link)
-{
-    return -1;
-}
-
-AVFilter avfilter_vsrc_nullsrc = {
-    .name        = "nullsrc",
-    .description = NULL_IF_CONFIG_SMALL("Null video source, never return images."),
-
-    .init       = init,
-    .priv_size = sizeof(NullContext),
-
-    .inputs    = (AVFilterPad[]) {{ .name = NULL}},
-
-    .outputs   = (AVFilterPad[]) {
-        {
-            .name            = "default",
-            .type            = AVMEDIA_TYPE_VIDEO,
-            .config_props    = config_props,
-            .request_frame   = request_frame,
-        },
-        { .name = NULL}
-    },
-};