An audio version of settb (asettb) will be added to this file.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
... | ... |
@@ -76,7 +76,7 @@ OBJS-$(CONFIG_SELECT_FILTER) += vf_select.o |
76 | 76 |
OBJS-$(CONFIG_SETDAR_FILTER) += vf_aspect.o |
77 | 77 |
OBJS-$(CONFIG_SETPTS_FILTER) += setpts.o |
78 | 78 |
OBJS-$(CONFIG_SETSAR_FILTER) += vf_aspect.o |
79 |
-OBJS-$(CONFIG_SETTB_FILTER) += vf_settb.o |
|
79 |
+OBJS-$(CONFIG_SETTB_FILTER) += settb.o |
|
80 | 80 |
OBJS-$(CONFIG_SHOWINFO_FILTER) += vf_showinfo.o |
81 | 81 |
OBJS-$(CONFIG_SHUFFLEPLANES_FILTER) += vf_shuffleplanes.o |
82 | 82 |
OBJS-$(CONFIG_SPLIT_FILTER) += split.o |
83 | 83 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,161 @@ |
0 |
+/* |
|
1 |
+ * Copyright (c) 2010 Stefano Sabatini |
|
2 |
+ * |
|
3 |
+ * This file is part of Libav. |
|
4 |
+ * |
|
5 |
+ * Libav is free software; you can redistribute it and/or |
|
6 |
+ * modify it under the terms of the GNU Lesser General Public |
|
7 |
+ * License as published by the Free Software Foundation; either |
|
8 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
9 |
+ * |
|
10 |
+ * Libav is distributed in the hope that it will be useful, |
|
11 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
13 |
+ * Lesser General Public License for more details. |
|
14 |
+ * |
|
15 |
+ * You should have received a copy of the GNU Lesser General Public |
|
16 |
+ * License along with Libav; if not, write to the Free Software |
|
17 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
18 |
+ */ |
|
19 |
+ |
|
20 |
+/** |
|
21 |
+ * @file |
|
22 |
+ * Set timebase for the output link. |
|
23 |
+ */ |
|
24 |
+ |
|
25 |
+#include <inttypes.h> |
|
26 |
+#include <stdio.h> |
|
27 |
+ |
|
28 |
+#include "libavutil/avstring.h" |
|
29 |
+#include "libavutil/eval.h" |
|
30 |
+#include "libavutil/internal.h" |
|
31 |
+#include "libavutil/mathematics.h" |
|
32 |
+#include "libavutil/opt.h" |
|
33 |
+#include "libavutil/rational.h" |
|
34 |
+#include "avfilter.h" |
|
35 |
+#include "internal.h" |
|
36 |
+#include "video.h" |
|
37 |
+ |
|
38 |
+static const char *const var_names[] = { |
|
39 |
+ "E", |
|
40 |
+ "PHI", |
|
41 |
+ "PI", |
|
42 |
+ "AVTB", /* default timebase 1/AV_TIME_BASE */ |
|
43 |
+ "intb", /* input timebase */ |
|
44 |
+ NULL |
|
45 |
+}; |
|
46 |
+ |
|
47 |
+enum var_name { |
|
48 |
+ VAR_E, |
|
49 |
+ VAR_PHI, |
|
50 |
+ VAR_PI, |
|
51 |
+ VAR_AVTB, |
|
52 |
+ VAR_INTB, |
|
53 |
+ VAR_VARS_NB |
|
54 |
+}; |
|
55 |
+ |
|
56 |
+typedef struct { |
|
57 |
+ const AVClass *class; |
|
58 |
+ char *tb_expr; |
|
59 |
+ double var_values[VAR_VARS_NB]; |
|
60 |
+} SetTBContext; |
|
61 |
+ |
|
62 |
+static int config_output_props(AVFilterLink *outlink) |
|
63 |
+{ |
|
64 |
+ AVFilterContext *ctx = outlink->src; |
|
65 |
+ SetTBContext *settb = ctx->priv; |
|
66 |
+ AVFilterLink *inlink = ctx->inputs[0]; |
|
67 |
+ AVRational time_base; |
|
68 |
+ int ret; |
|
69 |
+ double res; |
|
70 |
+ |
|
71 |
+ settb->var_values[VAR_E] = M_E; |
|
72 |
+ settb->var_values[VAR_PHI] = M_PHI; |
|
73 |
+ settb->var_values[VAR_PI] = M_PI; |
|
74 |
+ settb->var_values[VAR_AVTB] = av_q2d(AV_TIME_BASE_Q); |
|
75 |
+ settb->var_values[VAR_INTB] = av_q2d(inlink->time_base); |
|
76 |
+ |
|
77 |
+ outlink->w = inlink->w; |
|
78 |
+ outlink->h = inlink->h; |
|
79 |
+ |
|
80 |
+ if ((ret = av_expr_parse_and_eval(&res, settb->tb_expr, var_names, settb->var_values, |
|
81 |
+ NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0) { |
|
82 |
+ av_log(ctx, AV_LOG_ERROR, "Invalid expression '%s' for timebase.\n", settb->tb_expr); |
|
83 |
+ return ret; |
|
84 |
+ } |
|
85 |
+ time_base = av_d2q(res, INT_MAX); |
|
86 |
+ if (time_base.num <= 0 || time_base.den <= 0) { |
|
87 |
+ av_log(ctx, AV_LOG_ERROR, |
|
88 |
+ "Invalid non-positive values for the timebase num:%d or den:%d.\n", |
|
89 |
+ time_base.num, time_base.den); |
|
90 |
+ return AVERROR(EINVAL); |
|
91 |
+ } |
|
92 |
+ |
|
93 |
+ outlink->time_base = time_base; |
|
94 |
+ av_log(outlink->src, AV_LOG_VERBOSE, "tb:%d/%d -> tb:%d/%d\n", |
|
95 |
+ inlink ->time_base.num, inlink ->time_base.den, |
|
96 |
+ outlink->time_base.num, outlink->time_base.den); |
|
97 |
+ |
|
98 |
+ return 0; |
|
99 |
+} |
|
100 |
+ |
|
101 |
+static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
|
102 |
+{ |
|
103 |
+ AVFilterContext *ctx = inlink->dst; |
|
104 |
+ AVFilterLink *outlink = ctx->outputs[0]; |
|
105 |
+ |
|
106 |
+ if (av_cmp_q(inlink->time_base, outlink->time_base)) { |
|
107 |
+ int64_t orig_pts = frame->pts; |
|
108 |
+ frame->pts = av_rescale_q(frame->pts, inlink->time_base, outlink->time_base); |
|
109 |
+ av_log(ctx, AV_LOG_DEBUG, "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n", |
|
110 |
+ inlink ->time_base.num, inlink ->time_base.den, orig_pts, |
|
111 |
+ outlink->time_base.num, outlink->time_base.den, frame->pts); |
|
112 |
+ } |
|
113 |
+ |
|
114 |
+ return ff_filter_frame(outlink, frame); |
|
115 |
+} |
|
116 |
+ |
|
117 |
+#define OFFSET(x) offsetof(SetTBContext, x) |
|
118 |
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM |
|
119 |
+static const AVOption options[] = { |
|
120 |
+ { "expr", "Expression determining the output timebase", OFFSET(tb_expr), AV_OPT_TYPE_STRING, { .str = "intb" }, .flags = FLAGS }, |
|
121 |
+ { NULL }, |
|
122 |
+}; |
|
123 |
+ |
|
124 |
+static const AVClass settb_class = { |
|
125 |
+ .class_name = "settb", |
|
126 |
+ .item_name = av_default_item_name, |
|
127 |
+ .option = options, |
|
128 |
+ .version = LIBAVUTIL_VERSION_INT, |
|
129 |
+}; |
|
130 |
+ |
|
131 |
+static const AVFilterPad avfilter_vf_settb_inputs[] = { |
|
132 |
+ { |
|
133 |
+ .name = "default", |
|
134 |
+ .type = AVMEDIA_TYPE_VIDEO, |
|
135 |
+ .get_video_buffer = ff_null_get_video_buffer, |
|
136 |
+ .filter_frame = filter_frame, |
|
137 |
+ }, |
|
138 |
+ { NULL } |
|
139 |
+}; |
|
140 |
+ |
|
141 |
+static const AVFilterPad avfilter_vf_settb_outputs[] = { |
|
142 |
+ { |
|
143 |
+ .name = "default", |
|
144 |
+ .type = AVMEDIA_TYPE_VIDEO, |
|
145 |
+ .config_props = config_output_props, |
|
146 |
+ }, |
|
147 |
+ { NULL } |
|
148 |
+}; |
|
149 |
+ |
|
150 |
+AVFilter ff_vf_settb = { |
|
151 |
+ .name = "settb", |
|
152 |
+ .description = NULL_IF_CONFIG_SMALL("Set timebase for the output link."), |
|
153 |
+ |
|
154 |
+ .priv_size = sizeof(SetTBContext), |
|
155 |
+ .priv_class = &settb_class, |
|
156 |
+ |
|
157 |
+ .inputs = avfilter_vf_settb_inputs, |
|
158 |
+ |
|
159 |
+ .outputs = avfilter_vf_settb_outputs, |
|
160 |
+}; |
0 | 161 |
deleted file mode 100644 |
... | ... |
@@ -1,161 +0,0 @@ |
1 |
-/* |
|
2 |
- * Copyright (c) 2010 Stefano Sabatini |
|
3 |
- * |
|
4 |
- * This file is part of Libav. |
|
5 |
- * |
|
6 |
- * Libav is free software; you can redistribute it and/or |
|
7 |
- * modify it under the terms of the GNU Lesser General Public |
|
8 |
- * License as published by the Free Software Foundation; either |
|
9 |
- * version 2.1 of the License, or (at your option) any later version. |
|
10 |
- * |
|
11 |
- * Libav is distributed in the hope that it will be useful, |
|
12 |
- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 |
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
14 |
- * Lesser General Public License for more details. |
|
15 |
- * |
|
16 |
- * You should have received a copy of the GNU Lesser General Public |
|
17 |
- * License along with Libav; if not, write to the Free Software |
|
18 |
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
19 |
- */ |
|
20 |
- |
|
21 |
-/** |
|
22 |
- * @file |
|
23 |
- * Set timebase for the output link. |
|
24 |
- */ |
|
25 |
- |
|
26 |
-#include <inttypes.h> |
|
27 |
-#include <stdio.h> |
|
28 |
- |
|
29 |
-#include "libavutil/avstring.h" |
|
30 |
-#include "libavutil/eval.h" |
|
31 |
-#include "libavutil/internal.h" |
|
32 |
-#include "libavutil/mathematics.h" |
|
33 |
-#include "libavutil/opt.h" |
|
34 |
-#include "libavutil/rational.h" |
|
35 |
-#include "avfilter.h" |
|
36 |
-#include "internal.h" |
|
37 |
-#include "video.h" |
|
38 |
- |
|
39 |
-static const char *const var_names[] = { |
|
40 |
- "E", |
|
41 |
- "PHI", |
|
42 |
- "PI", |
|
43 |
- "AVTB", /* default timebase 1/AV_TIME_BASE */ |
|
44 |
- "intb", /* input timebase */ |
|
45 |
- NULL |
|
46 |
-}; |
|
47 |
- |
|
48 |
-enum var_name { |
|
49 |
- VAR_E, |
|
50 |
- VAR_PHI, |
|
51 |
- VAR_PI, |
|
52 |
- VAR_AVTB, |
|
53 |
- VAR_INTB, |
|
54 |
- VAR_VARS_NB |
|
55 |
-}; |
|
56 |
- |
|
57 |
-typedef struct { |
|
58 |
- const AVClass *class; |
|
59 |
- char *tb_expr; |
|
60 |
- double var_values[VAR_VARS_NB]; |
|
61 |
-} SetTBContext; |
|
62 |
- |
|
63 |
-static int config_output_props(AVFilterLink *outlink) |
|
64 |
-{ |
|
65 |
- AVFilterContext *ctx = outlink->src; |
|
66 |
- SetTBContext *settb = ctx->priv; |
|
67 |
- AVFilterLink *inlink = ctx->inputs[0]; |
|
68 |
- AVRational time_base; |
|
69 |
- int ret; |
|
70 |
- double res; |
|
71 |
- |
|
72 |
- settb->var_values[VAR_E] = M_E; |
|
73 |
- settb->var_values[VAR_PHI] = M_PHI; |
|
74 |
- settb->var_values[VAR_PI] = M_PI; |
|
75 |
- settb->var_values[VAR_AVTB] = av_q2d(AV_TIME_BASE_Q); |
|
76 |
- settb->var_values[VAR_INTB] = av_q2d(inlink->time_base); |
|
77 |
- |
|
78 |
- outlink->w = inlink->w; |
|
79 |
- outlink->h = inlink->h; |
|
80 |
- |
|
81 |
- if ((ret = av_expr_parse_and_eval(&res, settb->tb_expr, var_names, settb->var_values, |
|
82 |
- NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0) { |
|
83 |
- av_log(ctx, AV_LOG_ERROR, "Invalid expression '%s' for timebase.\n", settb->tb_expr); |
|
84 |
- return ret; |
|
85 |
- } |
|
86 |
- time_base = av_d2q(res, INT_MAX); |
|
87 |
- if (time_base.num <= 0 || time_base.den <= 0) { |
|
88 |
- av_log(ctx, AV_LOG_ERROR, |
|
89 |
- "Invalid non-positive values for the timebase num:%d or den:%d.\n", |
|
90 |
- time_base.num, time_base.den); |
|
91 |
- return AVERROR(EINVAL); |
|
92 |
- } |
|
93 |
- |
|
94 |
- outlink->time_base = time_base; |
|
95 |
- av_log(outlink->src, AV_LOG_VERBOSE, "tb:%d/%d -> tb:%d/%d\n", |
|
96 |
- inlink ->time_base.num, inlink ->time_base.den, |
|
97 |
- outlink->time_base.num, outlink->time_base.den); |
|
98 |
- |
|
99 |
- return 0; |
|
100 |
-} |
|
101 |
- |
|
102 |
-static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
|
103 |
-{ |
|
104 |
- AVFilterContext *ctx = inlink->dst; |
|
105 |
- AVFilterLink *outlink = ctx->outputs[0]; |
|
106 |
- |
|
107 |
- if (av_cmp_q(inlink->time_base, outlink->time_base)) { |
|
108 |
- int64_t orig_pts = frame->pts; |
|
109 |
- frame->pts = av_rescale_q(frame->pts, inlink->time_base, outlink->time_base); |
|
110 |
- av_log(ctx, AV_LOG_DEBUG, "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n", |
|
111 |
- inlink ->time_base.num, inlink ->time_base.den, orig_pts, |
|
112 |
- outlink->time_base.num, outlink->time_base.den, frame->pts); |
|
113 |
- } |
|
114 |
- |
|
115 |
- return ff_filter_frame(outlink, frame); |
|
116 |
-} |
|
117 |
- |
|
118 |
-#define OFFSET(x) offsetof(SetTBContext, x) |
|
119 |
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM |
|
120 |
-static const AVOption options[] = { |
|
121 |
- { "expr", "Expression determining the output timebase", OFFSET(tb_expr), AV_OPT_TYPE_STRING, { .str = "intb" }, .flags = FLAGS }, |
|
122 |
- { NULL }, |
|
123 |
-}; |
|
124 |
- |
|
125 |
-static const AVClass settb_class = { |
|
126 |
- .class_name = "settb", |
|
127 |
- .item_name = av_default_item_name, |
|
128 |
- .option = options, |
|
129 |
- .version = LIBAVUTIL_VERSION_INT, |
|
130 |
-}; |
|
131 |
- |
|
132 |
-static const AVFilterPad avfilter_vf_settb_inputs[] = { |
|
133 |
- { |
|
134 |
- .name = "default", |
|
135 |
- .type = AVMEDIA_TYPE_VIDEO, |
|
136 |
- .get_video_buffer = ff_null_get_video_buffer, |
|
137 |
- .filter_frame = filter_frame, |
|
138 |
- }, |
|
139 |
- { NULL } |
|
140 |
-}; |
|
141 |
- |
|
142 |
-static const AVFilterPad avfilter_vf_settb_outputs[] = { |
|
143 |
- { |
|
144 |
- .name = "default", |
|
145 |
- .type = AVMEDIA_TYPE_VIDEO, |
|
146 |
- .config_props = config_output_props, |
|
147 |
- }, |
|
148 |
- { NULL } |
|
149 |
-}; |
|
150 |
- |
|
151 |
-AVFilter ff_vf_settb = { |
|
152 |
- .name = "settb", |
|
153 |
- .description = NULL_IF_CONFIG_SMALL("Set timebase for the output link."), |
|
154 |
- |
|
155 |
- .priv_size = sizeof(SetTBContext), |
|
156 |
- .priv_class = &settb_class, |
|
157 |
- |
|
158 |
- .inputs = avfilter_vf_settb_inputs, |
|
159 |
- |
|
160 |
- .outputs = avfilter_vf_settb_outputs, |
|
161 |
-}; |