Unified · Split
| @@ -10,6 +10,7 @@ version next: · 9 unmodified lines | ||
| 10 | 10 | - dv: add timecode to metadata |
| 11 | 11 | - thumbnail video filter |
| 12 | 12 | - XML output in ffprobe |
| 13 | +- asplit audio filter | |
| 13 | 14 | |
| 14 | 15 | |
| 15 | 16 | version 0.9: |
| @@ -224,6 +224,19 @@ expressed in the form "[@var{c0} @var{c1} @var{c2} @var{c3} @var{c4} @var{c5} · 223 unmodified lines | ||
| 224 | 224 | @var{c6} @var{c7}]" |
| 225 | 225 | @end table |
| 226 | 226 | |
| 227 | +@section asplit | |
| 228 | + | |
| 229 | +Pass on the input audio to two outputs. Both outputs are identical to | |
| 230 | +the input audio. | |
| 231 | + | |
| 232 | +For example: | |
| 233 | +@example | |
| 234 | +[in] asplit[out0], showaudio[out1] | |
| 235 | +@end example | |
| 236 | + | |
| 237 | +will create two separate outputs from the same input, one cropped and | |
| 238 | +one padded. | |
| 239 | + | |
| 227 | 240 | @section earwax |
| 228 | 241 | |
| 229 | 242 | Make audio easier to listen to on headphones. |
| @@ -29,6 +29,7 @@ OBJS-$(CONFIG_AFORMAT_FILTER) += af_aformat.o · 28 unmodified lines | ||
| 29 | 29 | OBJS-$(CONFIG_ANULL_FILTER) += af_anull.o |
| 30 | 30 | OBJS-$(CONFIG_ARESAMPLE_FILTER) += af_aresample.o |
| 31 | 31 | OBJS-$(CONFIG_ASHOWINFO_FILTER) += af_ashowinfo.o |
| 32 | +OBJS-$(CONFIG_ASPLIT_FILTER) += af_asplit.o | |
| 32 | 33 | OBJS-$(CONFIG_EARWAX_FILTER) += af_earwax.o |
| 33 | 34 | OBJS-$(CONFIG_PAN_FILTER) += af_pan.o |
| 34 | 35 | OBJS-$(CONFIG_VOLUME_FILTER) += af_volume.o |
| @@ -0,0 +1,55 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 2011 Stefano Sabatini | |
| 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 | +/** | |
| 22 | + * @file | |
| 23 | + * audio splitter | |
| 24 | + */ | |
| 25 | + | |
| 26 | +#include "avfilter.h" | |
| 27 | + | |
| 28 | +static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples) | |
| 29 | +{ | |
| 30 | + avfilter_filter_samples(inlink->dst->outputs[0], | |
| 31 | + avfilter_ref_buffer(insamples, ~AV_PERM_WRITE)); | |
| 32 | + avfilter_filter_samples(inlink->dst->outputs[1], | |
| 33 | + avfilter_ref_buffer(insamples, ~AV_PERM_WRITE)); | |
| 34 | + avfilter_unref_buffer(insamples); | |
| 35 | +} | |
| 36 | + | |
| 37 | +AVFilter avfilter_af_asplit = { | |
| 38 | + .name = "asplit", | |
| 39 | + .description = NULL_IF_CONFIG_SMALL("Pass on the audio input to two outputs."), | |
| 40 | + | |
| 41 | + .inputs = (const AVFilterPad[]) { | |
| 42 | + { .name = "default", | |
| 43 | + .type = AVMEDIA_TYPE_AUDIO, | |
| 44 | + .get_audio_buffer = avfilter_null_get_audio_buffer, | |
| 45 | + .filter_samples = filter_samples, }, | |
| 46 | + { .name = NULL} | |
| 47 | + }, | |
| 48 | + .outputs = (const AVFilterPad[]) { | |
| 49 | + { .name = "output1", | |
| 50 | + .type = AVMEDIA_TYPE_AUDIO, }, | |
| 51 | + { .name = "output2", | |
| 52 | + .type = AVMEDIA_TYPE_AUDIO, }, | |
| 53 | + { .name = NULL} | |
| 54 | + }, | |
| 55 | +}; | |
| @@ -39,6 +39,7 @@ void avfilter_register_all(void) · 38 unmodified lines | ||
| 39 | 39 | REGISTER_FILTER (ANULL, anull, af); |
| 40 | 40 | REGISTER_FILTER (ARESAMPLE, aresample, af); |
| 41 | 41 | REGISTER_FILTER (ASHOWINFO, ashowinfo, af); |
| 42 | + REGISTER_FILTER (ASPLIT, asplit, af); | |
| 42 | 43 | REGISTER_FILTER (EARWAX, earwax, af); |
| 43 | 44 | REGISTER_FILTER (PAN, pan, af); |
| 44 | 45 | REGISTER_FILTER (VOLUME, volume, af); |
| @@ -30,7 +30,7 @@ · 29 unmodified lines | ||
| 30 | 30 | #include "libavcodec/avcodec.h" |
| 31 | 31 | |
| 32 | 32 | #define LIBAVFILTER_VERSION_MAJOR 2 |
| 33 | −#define LIBAVFILTER_VERSION_MINOR 54 | |
| 33 | +#define LIBAVFILTER_VERSION_MINOR 55 | |
| 34 | 34 | #define LIBAVFILTER_VERSION_MICRO 100 |
| 35 | 35 | |
| 36 | 36 | #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ |