Signed-off-by: Paul B Mahol <onemda@gmail.com>
Paul B Mahol authored on 2015/07/24 11:09:53... | ... |
@@ -43,7 +43,7 @@ OBJS-$(CONFIG_APAD_FILTER) += af_apad.o |
43 | 43 |
OBJS-$(CONFIG_APERMS_FILTER) += f_perms.o |
44 | 44 |
OBJS-$(CONFIG_APHASER_FILTER) += af_aphaser.o generate_wave_table.o |
45 | 45 |
OBJS-$(CONFIG_ARESAMPLE_FILTER) += af_aresample.o |
46 |
-OBJS-$(CONFIG_AREVERSE_FILTER) += vf_reverse.o |
|
46 |
+OBJS-$(CONFIG_AREVERSE_FILTER) += f_reverse.o |
|
47 | 47 |
OBJS-$(CONFIG_ASELECT_FILTER) += f_select.o |
48 | 48 |
OBJS-$(CONFIG_ASENDCMD_FILTER) += f_sendcmd.o |
49 | 49 |
OBJS-$(CONFIG_ASETNSAMPLES_FILTER) += af_asetnsamples.o |
... | ... |
@@ -189,7 +189,7 @@ OBJS-$(CONFIG_RANDOM_FILTER) += vf_random.o |
189 | 189 |
OBJS-$(CONFIG_REMOVEGRAIN_FILTER) += vf_removegrain.o |
190 | 190 |
OBJS-$(CONFIG_REMOVELOGO_FILTER) += bbox.o lswsutils.o lavfutils.o vf_removelogo.o |
191 | 191 |
OBJS-$(CONFIG_REPEATFIELDS_FILTER) += vf_repeatfields.o |
192 |
-OBJS-$(CONFIG_REVERSE_FILTER) += vf_reverse.o |
|
192 |
+OBJS-$(CONFIG_REVERSE_FILTER) += f_reverse.o |
|
193 | 193 |
OBJS-$(CONFIG_ROTATE_FILTER) += vf_rotate.o |
194 | 194 |
OBJS-$(CONFIG_SEPARATEFIELDS_FILTER) += vf_separatefields.o |
195 | 195 |
OBJS-$(CONFIG_SAB_FILTER) += vf_sab.o |
196 | 196 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,259 @@ |
0 |
+/* |
|
1 |
+ * Copyright (c) 2015 Derek Buitenhuis |
|
2 |
+ * |
|
3 |
+ * This file is part of FFmpeg. |
|
4 |
+ * |
|
5 |
+ * FFmpeg 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 |
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software |
|
17 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
18 |
+ */ |
|
19 |
+ |
|
20 |
+#include "libavutil/opt.h" |
|
21 |
+#include "avfilter.h" |
|
22 |
+#include "formats.h" |
|
23 |
+#include "internal.h" |
|
24 |
+#include "video.h" |
|
25 |
+ |
|
26 |
+#define DEFAULT_LENGTH 300 |
|
27 |
+ |
|
28 |
+typedef struct ReverseContext { |
|
29 |
+ int nb_frames; |
|
30 |
+ AVFrame **frames; |
|
31 |
+ unsigned int frames_size; |
|
32 |
+ unsigned int pts_size; |
|
33 |
+ int64_t *pts; |
|
34 |
+ int flush_idx; |
|
35 |
+} ReverseContext; |
|
36 |
+ |
|
37 |
+static av_cold int init(AVFilterContext *ctx) |
|
38 |
+{ |
|
39 |
+ ReverseContext *s = ctx->priv; |
|
40 |
+ |
|
41 |
+ s->pts = av_fast_realloc(NULL, &s->pts_size, |
|
42 |
+ DEFAULT_LENGTH * sizeof(*(s->pts))); |
|
43 |
+ if (!s->pts) |
|
44 |
+ return AVERROR(ENOMEM); |
|
45 |
+ |
|
46 |
+ s->frames = av_fast_realloc(NULL, &s->frames_size, |
|
47 |
+ DEFAULT_LENGTH * sizeof(*(s->frames))); |
|
48 |
+ if (!s->frames) { |
|
49 |
+ av_freep(&s->pts); |
|
50 |
+ return AVERROR(ENOMEM); |
|
51 |
+ } |
|
52 |
+ |
|
53 |
+ return 0; |
|
54 |
+} |
|
55 |
+ |
|
56 |
+static av_cold void uninit(AVFilterContext *ctx) |
|
57 |
+{ |
|
58 |
+ ReverseContext *s = ctx->priv; |
|
59 |
+ |
|
60 |
+ av_freep(&s->pts); |
|
61 |
+ av_freep(&s->frames); |
|
62 |
+} |
|
63 |
+ |
|
64 |
+static int config_output(AVFilterLink *outlink) |
|
65 |
+{ |
|
66 |
+ outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP; |
|
67 |
+ return 0; |
|
68 |
+} |
|
69 |
+ |
|
70 |
+static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
|
71 |
+{ |
|
72 |
+ AVFilterContext *ctx = inlink->dst; |
|
73 |
+ ReverseContext *s = ctx->priv; |
|
74 |
+ void *ptr; |
|
75 |
+ |
|
76 |
+ if (s->nb_frames + 1 > s->pts_size / sizeof(*(s->pts))) { |
|
77 |
+ ptr = av_fast_realloc(s->pts, &s->pts_size, s->pts_size * 2); |
|
78 |
+ if (!ptr) |
|
79 |
+ return AVERROR(ENOMEM); |
|
80 |
+ s->pts = ptr; |
|
81 |
+ } |
|
82 |
+ |
|
83 |
+ if (s->nb_frames + 1 > s->frames_size / sizeof(*(s->frames))) { |
|
84 |
+ ptr = av_fast_realloc(s->frames, &s->frames_size, s->frames_size * 2); |
|
85 |
+ if (!ptr) |
|
86 |
+ return AVERROR(ENOMEM); |
|
87 |
+ s->frames = ptr; |
|
88 |
+ } |
|
89 |
+ |
|
90 |
+ s->frames[s->nb_frames] = in; |
|
91 |
+ s->pts[s->nb_frames] = in->pts; |
|
92 |
+ s->nb_frames++; |
|
93 |
+ |
|
94 |
+ return 0; |
|
95 |
+} |
|
96 |
+ |
|
97 |
+#if CONFIG_REVERSE_FILTER |
|
98 |
+ |
|
99 |
+static int request_frame(AVFilterLink *outlink) |
|
100 |
+{ |
|
101 |
+ AVFilterContext *ctx = outlink->src; |
|
102 |
+ ReverseContext *s = ctx->priv; |
|
103 |
+ int ret; |
|
104 |
+ |
|
105 |
+ ret = ff_request_frame(ctx->inputs[0]); |
|
106 |
+ |
|
107 |
+ if (ret == AVERROR_EOF && s->nb_frames > 0) { |
|
108 |
+ AVFrame *out = s->frames[s->nb_frames - 1]; |
|
109 |
+ out->pts = s->pts[s->flush_idx++]; |
|
110 |
+ ret = ff_filter_frame(outlink, out); |
|
111 |
+ s->nb_frames--; |
|
112 |
+ } |
|
113 |
+ |
|
114 |
+ return ret; |
|
115 |
+} |
|
116 |
+ |
|
117 |
+static const AVFilterPad reverse_inputs[] = { |
|
118 |
+ { |
|
119 |
+ .name = "default", |
|
120 |
+ .type = AVMEDIA_TYPE_VIDEO, |
|
121 |
+ .filter_frame = filter_frame, |
|
122 |
+ }, |
|
123 |
+ { NULL } |
|
124 |
+}; |
|
125 |
+ |
|
126 |
+static const AVFilterPad reverse_outputs[] = { |
|
127 |
+ { |
|
128 |
+ .name = "default", |
|
129 |
+ .type = AVMEDIA_TYPE_VIDEO, |
|
130 |
+ .request_frame = request_frame, |
|
131 |
+ .config_props = config_output, |
|
132 |
+ }, |
|
133 |
+ { NULL } |
|
134 |
+}; |
|
135 |
+ |
|
136 |
+AVFilter ff_vf_reverse = { |
|
137 |
+ .name = "reverse", |
|
138 |
+ .description = NULL_IF_CONFIG_SMALL("Reverse a clip."), |
|
139 |
+ .priv_size = sizeof(ReverseContext), |
|
140 |
+ .init = init, |
|
141 |
+ .uninit = uninit, |
|
142 |
+ .inputs = reverse_inputs, |
|
143 |
+ .outputs = reverse_outputs, |
|
144 |
+}; |
|
145 |
+ |
|
146 |
+#endif /* CONFIG_REVERSE_FILTER */ |
|
147 |
+ |
|
148 |
+#if CONFIG_AREVERSE_FILTER |
|
149 |
+ |
|
150 |
+static int query_formats(AVFilterContext *ctx) |
|
151 |
+{ |
|
152 |
+ AVFilterFormats *formats; |
|
153 |
+ AVFilterChannelLayouts *layouts; |
|
154 |
+ int ret; |
|
155 |
+ |
|
156 |
+ layouts = ff_all_channel_layouts(); |
|
157 |
+ if (!layouts) |
|
158 |
+ return AVERROR(ENOMEM); |
|
159 |
+ ret = ff_set_common_channel_layouts(ctx, layouts); |
|
160 |
+ if (ret < 0) |
|
161 |
+ return ret; |
|
162 |
+ |
|
163 |
+ ret = ff_set_common_formats(ctx, ff_planar_sample_fmts()); |
|
164 |
+ if (ret < 0) |
|
165 |
+ return ret; |
|
166 |
+ |
|
167 |
+ formats = ff_all_samplerates(); |
|
168 |
+ if (!formats) |
|
169 |
+ return AVERROR(ENOMEM); |
|
170 |
+ return ff_set_common_samplerates(ctx, formats); |
|
171 |
+} |
|
172 |
+ |
|
173 |
+static int areverse_request_frame(AVFilterLink *outlink) |
|
174 |
+{ |
|
175 |
+ AVFilterContext *ctx = outlink->src; |
|
176 |
+ ReverseContext *s = ctx->priv; |
|
177 |
+ int ret, p, i, j; |
|
178 |
+ |
|
179 |
+ ret = ff_request_frame(ctx->inputs[0]); |
|
180 |
+ |
|
181 |
+ if (ret == AVERROR_EOF && s->nb_frames > 0) { |
|
182 |
+ AVFrame *out = s->frames[s->nb_frames - 1]; |
|
183 |
+ out->pts = s->pts[s->flush_idx++]; |
|
184 |
+ |
|
185 |
+ for (p = 0; p < outlink->channels; p++) { |
|
186 |
+ switch (outlink->format) { |
|
187 |
+ case AV_SAMPLE_FMT_U8P: { |
|
188 |
+ uint8_t *dst = (uint8_t *)out->extended_data[p]; |
|
189 |
+ for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
190 |
+ FFSWAP(uint8_t, dst[i], dst[j]); |
|
191 |
+ } |
|
192 |
+ break; |
|
193 |
+ case AV_SAMPLE_FMT_S16P: { |
|
194 |
+ int16_t *dst = (int16_t *)out->extended_data[p]; |
|
195 |
+ for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
196 |
+ FFSWAP(int16_t, dst[i], dst[j]); |
|
197 |
+ } |
|
198 |
+ break; |
|
199 |
+ case AV_SAMPLE_FMT_S32P: { |
|
200 |
+ int32_t *dst = (int32_t *)out->extended_data[p]; |
|
201 |
+ for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
202 |
+ FFSWAP(int32_t, dst[i], dst[j]); |
|
203 |
+ } |
|
204 |
+ break; |
|
205 |
+ case AV_SAMPLE_FMT_FLTP: { |
|
206 |
+ float *dst = (float *)out->extended_data[p]; |
|
207 |
+ for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
208 |
+ FFSWAP(float, dst[i], dst[j]); |
|
209 |
+ } |
|
210 |
+ break; |
|
211 |
+ case AV_SAMPLE_FMT_DBLP: { |
|
212 |
+ double *dst = (double *)out->extended_data[p]; |
|
213 |
+ for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
214 |
+ FFSWAP(double, dst[i], dst[j]); |
|
215 |
+ } |
|
216 |
+ break; |
|
217 |
+ } |
|
218 |
+ } |
|
219 |
+ |
|
220 |
+ ret = ff_filter_frame(outlink, out); |
|
221 |
+ s->nb_frames--; |
|
222 |
+ } |
|
223 |
+ |
|
224 |
+ return ret; |
|
225 |
+} |
|
226 |
+ |
|
227 |
+static const AVFilterPad areverse_inputs[] = { |
|
228 |
+ { |
|
229 |
+ .name = "default", |
|
230 |
+ .type = AVMEDIA_TYPE_AUDIO, |
|
231 |
+ .filter_frame = filter_frame, |
|
232 |
+ .needs_writable = 1, |
|
233 |
+ }, |
|
234 |
+ { NULL } |
|
235 |
+}; |
|
236 |
+ |
|
237 |
+static const AVFilterPad areverse_outputs[] = { |
|
238 |
+ { |
|
239 |
+ .name = "default", |
|
240 |
+ .type = AVMEDIA_TYPE_AUDIO, |
|
241 |
+ .request_frame = areverse_request_frame, |
|
242 |
+ .config_props = config_output, |
|
243 |
+ }, |
|
244 |
+ { NULL } |
|
245 |
+}; |
|
246 |
+ |
|
247 |
+AVFilter ff_af_areverse = { |
|
248 |
+ .name = "areverse", |
|
249 |
+ .description = NULL_IF_CONFIG_SMALL("Reverse an audio clip."), |
|
250 |
+ .query_formats = query_formats, |
|
251 |
+ .priv_size = sizeof(ReverseContext), |
|
252 |
+ .init = init, |
|
253 |
+ .uninit = uninit, |
|
254 |
+ .inputs = areverse_inputs, |
|
255 |
+ .outputs = areverse_outputs, |
|
256 |
+}; |
|
257 |
+ |
|
258 |
+#endif /* CONFIG_AREVERSE_FILTER */ |
0 | 259 |
deleted file mode 100644 |
... | ... |
@@ -1,259 +0,0 @@ |
1 |
-/* |
|
2 |
- * Copyright (c) 2015 Derek Buitenhuis |
|
3 |
- * |
|
4 |
- * This file is part of FFmpeg. |
|
5 |
- * |
|
6 |
- * FFmpeg 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 |
- * FFmpeg 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 FFmpeg; if not, write to the Free Software |
|
18 |
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
19 |
- */ |
|
20 |
- |
|
21 |
-#include "libavutil/opt.h" |
|
22 |
-#include "avfilter.h" |
|
23 |
-#include "formats.h" |
|
24 |
-#include "internal.h" |
|
25 |
-#include "video.h" |
|
26 |
- |
|
27 |
-#define DEFAULT_LENGTH 300 |
|
28 |
- |
|
29 |
-typedef struct ReverseContext { |
|
30 |
- int nb_frames; |
|
31 |
- AVFrame **frames; |
|
32 |
- unsigned int frames_size; |
|
33 |
- unsigned int pts_size; |
|
34 |
- int64_t *pts; |
|
35 |
- int flush_idx; |
|
36 |
-} ReverseContext; |
|
37 |
- |
|
38 |
-static av_cold int init(AVFilterContext *ctx) |
|
39 |
-{ |
|
40 |
- ReverseContext *s = ctx->priv; |
|
41 |
- |
|
42 |
- s->pts = av_fast_realloc(NULL, &s->pts_size, |
|
43 |
- DEFAULT_LENGTH * sizeof(*(s->pts))); |
|
44 |
- if (!s->pts) |
|
45 |
- return AVERROR(ENOMEM); |
|
46 |
- |
|
47 |
- s->frames = av_fast_realloc(NULL, &s->frames_size, |
|
48 |
- DEFAULT_LENGTH * sizeof(*(s->frames))); |
|
49 |
- if (!s->frames) { |
|
50 |
- av_freep(&s->pts); |
|
51 |
- return AVERROR(ENOMEM); |
|
52 |
- } |
|
53 |
- |
|
54 |
- return 0; |
|
55 |
-} |
|
56 |
- |
|
57 |
-static av_cold void uninit(AVFilterContext *ctx) |
|
58 |
-{ |
|
59 |
- ReverseContext *s = ctx->priv; |
|
60 |
- |
|
61 |
- av_freep(&s->pts); |
|
62 |
- av_freep(&s->frames); |
|
63 |
-} |
|
64 |
- |
|
65 |
-static int config_output(AVFilterLink *outlink) |
|
66 |
-{ |
|
67 |
- outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP; |
|
68 |
- return 0; |
|
69 |
-} |
|
70 |
- |
|
71 |
-static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
|
72 |
-{ |
|
73 |
- AVFilterContext *ctx = inlink->dst; |
|
74 |
- ReverseContext *s = ctx->priv; |
|
75 |
- void *ptr; |
|
76 |
- |
|
77 |
- if (s->nb_frames + 1 > s->pts_size / sizeof(*(s->pts))) { |
|
78 |
- ptr = av_fast_realloc(s->pts, &s->pts_size, s->pts_size * 2); |
|
79 |
- if (!ptr) |
|
80 |
- return AVERROR(ENOMEM); |
|
81 |
- s->pts = ptr; |
|
82 |
- } |
|
83 |
- |
|
84 |
- if (s->nb_frames + 1 > s->frames_size / sizeof(*(s->frames))) { |
|
85 |
- ptr = av_fast_realloc(s->frames, &s->frames_size, s->frames_size * 2); |
|
86 |
- if (!ptr) |
|
87 |
- return AVERROR(ENOMEM); |
|
88 |
- s->frames = ptr; |
|
89 |
- } |
|
90 |
- |
|
91 |
- s->frames[s->nb_frames] = in; |
|
92 |
- s->pts[s->nb_frames] = in->pts; |
|
93 |
- s->nb_frames++; |
|
94 |
- |
|
95 |
- return 0; |
|
96 |
-} |
|
97 |
- |
|
98 |
-#if CONFIG_REVERSE_FILTER |
|
99 |
- |
|
100 |
-static int request_frame(AVFilterLink *outlink) |
|
101 |
-{ |
|
102 |
- AVFilterContext *ctx = outlink->src; |
|
103 |
- ReverseContext *s = ctx->priv; |
|
104 |
- int ret; |
|
105 |
- |
|
106 |
- ret = ff_request_frame(ctx->inputs[0]); |
|
107 |
- |
|
108 |
- if (ret == AVERROR_EOF && s->nb_frames > 0) { |
|
109 |
- AVFrame *out = s->frames[s->nb_frames - 1]; |
|
110 |
- out->pts = s->pts[s->flush_idx++]; |
|
111 |
- ret = ff_filter_frame(outlink, out); |
|
112 |
- s->nb_frames--; |
|
113 |
- } |
|
114 |
- |
|
115 |
- return ret; |
|
116 |
-} |
|
117 |
- |
|
118 |
-static const AVFilterPad reverse_inputs[] = { |
|
119 |
- { |
|
120 |
- .name = "default", |
|
121 |
- .type = AVMEDIA_TYPE_VIDEO, |
|
122 |
- .filter_frame = filter_frame, |
|
123 |
- }, |
|
124 |
- { NULL } |
|
125 |
-}; |
|
126 |
- |
|
127 |
-static const AVFilterPad reverse_outputs[] = { |
|
128 |
- { |
|
129 |
- .name = "default", |
|
130 |
- .type = AVMEDIA_TYPE_VIDEO, |
|
131 |
- .request_frame = request_frame, |
|
132 |
- .config_props = config_output, |
|
133 |
- }, |
|
134 |
- { NULL } |
|
135 |
-}; |
|
136 |
- |
|
137 |
-AVFilter ff_vf_reverse = { |
|
138 |
- .name = "reverse", |
|
139 |
- .description = NULL_IF_CONFIG_SMALL("Reverse a clip."), |
|
140 |
- .priv_size = sizeof(ReverseContext), |
|
141 |
- .init = init, |
|
142 |
- .uninit = uninit, |
|
143 |
- .inputs = reverse_inputs, |
|
144 |
- .outputs = reverse_outputs, |
|
145 |
-}; |
|
146 |
- |
|
147 |
-#endif /* CONFIG_REVERSE_FILTER */ |
|
148 |
- |
|
149 |
-#if CONFIG_AREVERSE_FILTER |
|
150 |
- |
|
151 |
-static int query_formats(AVFilterContext *ctx) |
|
152 |
-{ |
|
153 |
- AVFilterFormats *formats; |
|
154 |
- AVFilterChannelLayouts *layouts; |
|
155 |
- int ret; |
|
156 |
- |
|
157 |
- layouts = ff_all_channel_layouts(); |
|
158 |
- if (!layouts) |
|
159 |
- return AVERROR(ENOMEM); |
|
160 |
- ret = ff_set_common_channel_layouts(ctx, layouts); |
|
161 |
- if (ret < 0) |
|
162 |
- return ret; |
|
163 |
- |
|
164 |
- ret = ff_set_common_formats(ctx, ff_planar_sample_fmts()); |
|
165 |
- if (ret < 0) |
|
166 |
- return ret; |
|
167 |
- |
|
168 |
- formats = ff_all_samplerates(); |
|
169 |
- if (!formats) |
|
170 |
- return AVERROR(ENOMEM); |
|
171 |
- return ff_set_common_samplerates(ctx, formats); |
|
172 |
-} |
|
173 |
- |
|
174 |
-static int areverse_request_frame(AVFilterLink *outlink) |
|
175 |
-{ |
|
176 |
- AVFilterContext *ctx = outlink->src; |
|
177 |
- ReverseContext *s = ctx->priv; |
|
178 |
- int ret, p, i, j; |
|
179 |
- |
|
180 |
- ret = ff_request_frame(ctx->inputs[0]); |
|
181 |
- |
|
182 |
- if (ret == AVERROR_EOF && s->nb_frames > 0) { |
|
183 |
- AVFrame *out = s->frames[s->nb_frames - 1]; |
|
184 |
- out->pts = s->pts[s->flush_idx++]; |
|
185 |
- |
|
186 |
- for (p = 0; p < outlink->channels; p++) { |
|
187 |
- switch (outlink->format) { |
|
188 |
- case AV_SAMPLE_FMT_U8P: { |
|
189 |
- uint8_t *dst = (uint8_t *)out->extended_data[p]; |
|
190 |
- for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
191 |
- FFSWAP(uint8_t, dst[i], dst[j]); |
|
192 |
- } |
|
193 |
- break; |
|
194 |
- case AV_SAMPLE_FMT_S16P: { |
|
195 |
- int16_t *dst = (int16_t *)out->extended_data[p]; |
|
196 |
- for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
197 |
- FFSWAP(int16_t, dst[i], dst[j]); |
|
198 |
- } |
|
199 |
- break; |
|
200 |
- case AV_SAMPLE_FMT_S32P: { |
|
201 |
- int32_t *dst = (int32_t *)out->extended_data[p]; |
|
202 |
- for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
203 |
- FFSWAP(int32_t, dst[i], dst[j]); |
|
204 |
- } |
|
205 |
- break; |
|
206 |
- case AV_SAMPLE_FMT_FLTP: { |
|
207 |
- float *dst = (float *)out->extended_data[p]; |
|
208 |
- for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
209 |
- FFSWAP(float, dst[i], dst[j]); |
|
210 |
- } |
|
211 |
- break; |
|
212 |
- case AV_SAMPLE_FMT_DBLP: { |
|
213 |
- double *dst = (double *)out->extended_data[p]; |
|
214 |
- for (i = 0, j = out->nb_samples - 1; i < j; i++, j--) |
|
215 |
- FFSWAP(double, dst[i], dst[j]); |
|
216 |
- } |
|
217 |
- break; |
|
218 |
- } |
|
219 |
- } |
|
220 |
- |
|
221 |
- ret = ff_filter_frame(outlink, out); |
|
222 |
- s->nb_frames--; |
|
223 |
- } |
|
224 |
- |
|
225 |
- return ret; |
|
226 |
-} |
|
227 |
- |
|
228 |
-static const AVFilterPad areverse_inputs[] = { |
|
229 |
- { |
|
230 |
- .name = "default", |
|
231 |
- .type = AVMEDIA_TYPE_AUDIO, |
|
232 |
- .filter_frame = filter_frame, |
|
233 |
- .needs_writable = 1, |
|
234 |
- }, |
|
235 |
- { NULL } |
|
236 |
-}; |
|
237 |
- |
|
238 |
-static const AVFilterPad areverse_outputs[] = { |
|
239 |
- { |
|
240 |
- .name = "default", |
|
241 |
- .type = AVMEDIA_TYPE_AUDIO, |
|
242 |
- .request_frame = areverse_request_frame, |
|
243 |
- .config_props = config_output, |
|
244 |
- }, |
|
245 |
- { NULL } |
|
246 |
-}; |
|
247 |
- |
|
248 |
-AVFilter ff_af_areverse = { |
|
249 |
- .name = "areverse", |
|
250 |
- .description = NULL_IF_CONFIG_SMALL("Reverse an audio clip."), |
|
251 |
- .query_formats = query_formats, |
|
252 |
- .priv_size = sizeof(ReverseContext), |
|
253 |
- .init = init, |
|
254 |
- .uninit = uninit, |
|
255 |
- .inputs = areverse_inputs, |
|
256 |
- .outputs = areverse_outputs, |
|
257 |
-}; |
|
258 |
- |
|
259 |
-#endif /* CONFIG_AREVERSE_FILTER */ |