[libav-devel] [PATCH v3 1/2] Renamed vf_settb.c to settb.c.

Katerina Barone-Adesi katerinab at gmail.com
Mon Mar 31 20:28:03 CEST 2014


---
 libavfilter/Makefile   |   2 +-
 libavfilter/settb.c    | 161 +++++++++++++++++++++++++++++++++++++++++++++++++
 libavfilter/vf_settb.c | 161 -------------------------------------------------
 3 files changed, 162 insertions(+), 162 deletions(-)
 create mode 100644 libavfilter/settb.c
 delete mode 100644 libavfilter/vf_settb.c

diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 5312c83..1f5e433 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -76,7 +76,7 @@ OBJS-$(CONFIG_SELECT_FILTER)                 += vf_select.o
 OBJS-$(CONFIG_SETDAR_FILTER)                 += vf_aspect.o
 OBJS-$(CONFIG_SETPTS_FILTER)                 += setpts.o
 OBJS-$(CONFIG_SETSAR_FILTER)                 += vf_aspect.o
-OBJS-$(CONFIG_SETTB_FILTER)                  += vf_settb.o
+OBJS-$(CONFIG_SETTB_FILTER)                  += settb.o
 OBJS-$(CONFIG_SHOWINFO_FILTER)               += vf_showinfo.o
 OBJS-$(CONFIG_SHUFFLEPLANES_FILTER)          += vf_shuffleplanes.o
 OBJS-$(CONFIG_SPLIT_FILTER)                  += split.o
diff --git a/libavfilter/settb.c b/libavfilter/settb.c
new file mode 100644
index 0000000..87b60a7
--- /dev/null
+++ b/libavfilter/settb.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2010 Stefano Sabatini
+ *
+ * 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
+ * Set timebase for the output link.
+ */
+
+#include <inttypes.h>
+#include <stdio.h>
+
+#include "libavutil/avstring.h"
+#include "libavutil/eval.h"
+#include "libavutil/internal.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
+#include "libavutil/rational.h"
+#include "avfilter.h"
+#include "internal.h"
+#include "video.h"
+
+static const char *const var_names[] = {
+    "E",
+    "PHI",
+    "PI",
+    "AVTB",   /* default timebase 1/AV_TIME_BASE */
+    "intb",   /* input timebase */
+    NULL
+};
+
+enum var_name {
+    VAR_E,
+    VAR_PHI,
+    VAR_PI,
+    VAR_AVTB,
+    VAR_INTB,
+    VAR_VARS_NB
+};
+
+typedef struct {
+    const AVClass *class;
+    char *tb_expr;
+    double var_values[VAR_VARS_NB];
+} SetTBContext;
+
+static int config_output_props(AVFilterLink *outlink)
+{
+    AVFilterContext *ctx = outlink->src;
+    SetTBContext *settb = ctx->priv;
+    AVFilterLink *inlink = ctx->inputs[0];
+    AVRational time_base;
+    int ret;
+    double res;
+
+    settb->var_values[VAR_E]    = M_E;
+    settb->var_values[VAR_PHI]  = M_PHI;
+    settb->var_values[VAR_PI]   = M_PI;
+    settb->var_values[VAR_AVTB] = av_q2d(AV_TIME_BASE_Q);
+    settb->var_values[VAR_INTB] = av_q2d(inlink->time_base);
+
+    outlink->w = inlink->w;
+    outlink->h = inlink->h;
+
+    if ((ret = av_expr_parse_and_eval(&res, settb->tb_expr, var_names, settb->var_values,
+                                      NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0) {
+        av_log(ctx, AV_LOG_ERROR, "Invalid expression '%s' for timebase.\n", settb->tb_expr);
+        return ret;
+    }
+    time_base = av_d2q(res, INT_MAX);
+    if (time_base.num <= 0 || time_base.den <= 0) {
+        av_log(ctx, AV_LOG_ERROR,
+               "Invalid non-positive values for the timebase num:%d or den:%d.\n",
+               time_base.num, time_base.den);
+        return AVERROR(EINVAL);
+    }
+
+    outlink->time_base = time_base;
+    av_log(outlink->src, AV_LOG_VERBOSE, "tb:%d/%d -> tb:%d/%d\n",
+           inlink ->time_base.num, inlink ->time_base.den,
+           outlink->time_base.num, outlink->time_base.den);
+
+    return 0;
+}
+
+static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
+{
+    AVFilterContext *ctx = inlink->dst;
+    AVFilterLink *outlink = ctx->outputs[0];
+
+    if (av_cmp_q(inlink->time_base, outlink->time_base)) {
+        int64_t orig_pts = frame->pts;
+        frame->pts = av_rescale_q(frame->pts, inlink->time_base, outlink->time_base);
+        av_log(ctx, AV_LOG_DEBUG, "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
+               inlink ->time_base.num, inlink ->time_base.den, orig_pts,
+               outlink->time_base.num, outlink->time_base.den, frame->pts);
+    }
+
+    return ff_filter_frame(outlink, frame);
+}
+
+#define OFFSET(x) offsetof(SetTBContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
+static const AVOption options[] = {
+    { "expr", "Expression determining the output timebase", OFFSET(tb_expr), AV_OPT_TYPE_STRING, { .str = "intb" }, .flags = FLAGS },
+    { NULL },
+};
+
+static const AVClass settb_class = {
+    .class_name = "settb",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad avfilter_vf_settb_inputs[] = {
+    {
+        .name             = "default",
+        .type             = AVMEDIA_TYPE_VIDEO,
+        .get_video_buffer = ff_null_get_video_buffer,
+        .filter_frame     = filter_frame,
+    },
+    { NULL }
+};
+
+static const AVFilterPad avfilter_vf_settb_outputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .config_props = config_output_props,
+    },
+    { NULL }
+};
+
+AVFilter ff_vf_settb = {
+    .name      = "settb",
+    .description = NULL_IF_CONFIG_SMALL("Set timebase for the output link."),
+
+    .priv_size = sizeof(SetTBContext),
+    .priv_class = &settb_class,
+
+    .inputs    = avfilter_vf_settb_inputs,
+
+    .outputs   = avfilter_vf_settb_outputs,
+};
diff --git a/libavfilter/vf_settb.c b/libavfilter/vf_settb.c
deleted file mode 100644
index 87b60a7..0000000
--- a/libavfilter/vf_settb.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright (c) 2010 Stefano Sabatini
- *
- * 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
- * Set timebase for the output link.
- */
-
-#include <inttypes.h>
-#include <stdio.h>
-
-#include "libavutil/avstring.h"
-#include "libavutil/eval.h"
-#include "libavutil/internal.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/opt.h"
-#include "libavutil/rational.h"
-#include "avfilter.h"
-#include "internal.h"
-#include "video.h"
-
-static const char *const var_names[] = {
-    "E",
-    "PHI",
-    "PI",
-    "AVTB",   /* default timebase 1/AV_TIME_BASE */
-    "intb",   /* input timebase */
-    NULL
-};
-
-enum var_name {
-    VAR_E,
-    VAR_PHI,
-    VAR_PI,
-    VAR_AVTB,
-    VAR_INTB,
-    VAR_VARS_NB
-};
-
-typedef struct {
-    const AVClass *class;
-    char *tb_expr;
-    double var_values[VAR_VARS_NB];
-} SetTBContext;
-
-static int config_output_props(AVFilterLink *outlink)
-{
-    AVFilterContext *ctx = outlink->src;
-    SetTBContext *settb = ctx->priv;
-    AVFilterLink *inlink = ctx->inputs[0];
-    AVRational time_base;
-    int ret;
-    double res;
-
-    settb->var_values[VAR_E]    = M_E;
-    settb->var_values[VAR_PHI]  = M_PHI;
-    settb->var_values[VAR_PI]   = M_PI;
-    settb->var_values[VAR_AVTB] = av_q2d(AV_TIME_BASE_Q);
-    settb->var_values[VAR_INTB] = av_q2d(inlink->time_base);
-
-    outlink->w = inlink->w;
-    outlink->h = inlink->h;
-
-    if ((ret = av_expr_parse_and_eval(&res, settb->tb_expr, var_names, settb->var_values,
-                                      NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0) {
-        av_log(ctx, AV_LOG_ERROR, "Invalid expression '%s' for timebase.\n", settb->tb_expr);
-        return ret;
-    }
-    time_base = av_d2q(res, INT_MAX);
-    if (time_base.num <= 0 || time_base.den <= 0) {
-        av_log(ctx, AV_LOG_ERROR,
-               "Invalid non-positive values for the timebase num:%d or den:%d.\n",
-               time_base.num, time_base.den);
-        return AVERROR(EINVAL);
-    }
-
-    outlink->time_base = time_base;
-    av_log(outlink->src, AV_LOG_VERBOSE, "tb:%d/%d -> tb:%d/%d\n",
-           inlink ->time_base.num, inlink ->time_base.den,
-           outlink->time_base.num, outlink->time_base.den);
-
-    return 0;
-}
-
-static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
-{
-    AVFilterContext *ctx = inlink->dst;
-    AVFilterLink *outlink = ctx->outputs[0];
-
-    if (av_cmp_q(inlink->time_base, outlink->time_base)) {
-        int64_t orig_pts = frame->pts;
-        frame->pts = av_rescale_q(frame->pts, inlink->time_base, outlink->time_base);
-        av_log(ctx, AV_LOG_DEBUG, "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
-               inlink ->time_base.num, inlink ->time_base.den, orig_pts,
-               outlink->time_base.num, outlink->time_base.den, frame->pts);
-    }
-
-    return ff_filter_frame(outlink, frame);
-}
-
-#define OFFSET(x) offsetof(SetTBContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption options[] = {
-    { "expr", "Expression determining the output timebase", OFFSET(tb_expr), AV_OPT_TYPE_STRING, { .str = "intb" }, .flags = FLAGS },
-    { NULL },
-};
-
-static const AVClass settb_class = {
-    .class_name = "settb",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-
-static const AVFilterPad avfilter_vf_settb_inputs[] = {
-    {
-        .name             = "default",
-        .type             = AVMEDIA_TYPE_VIDEO,
-        .get_video_buffer = ff_null_get_video_buffer,
-        .filter_frame     = filter_frame,
-    },
-    { NULL }
-};
-
-static const AVFilterPad avfilter_vf_settb_outputs[] = {
-    {
-        .name         = "default",
-        .type         = AVMEDIA_TYPE_VIDEO,
-        .config_props = config_output_props,
-    },
-    { NULL }
-};
-
-AVFilter ff_vf_settb = {
-    .name      = "settb",
-    .description = NULL_IF_CONFIG_SMALL("Set timebase for the output link."),
-
-    .priv_size = sizeof(SetTBContext),
-    .priv_class = &settb_class,
-
-    .inputs    = avfilter_vf_settb_inputs,
-
-    .outputs   = avfilter_vf_settb_outputs,
-};
-- 
1.8.3.2



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