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author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-07-05 17:22:56 +0200 |
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committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-07-08 09:40:30 +0200 |
commit | a953577b46fdaf4655d110c60925c2fc331f9c17 (patch) | |
tree | e2b545a036af558f795de2cbad1b34697acf0ab8 /doc | |
parent | 5d1b39f7e7381a2e837b9b6d43dede7de528da3c (diff) | |
download | ffmpeg-streaming-a953577b46fdaf4655d110c60925c2fc331f9c17.zip ffmpeg-streaming-a953577b46fdaf4655d110c60925c2fc331f9c17.tar.gz |
examples: move metadata-example.c to doc/examples
Diffstat (limited to 'doc')
-rw-r--r-- | doc/examples/Makefile | 2 | ||||
-rw-r--r-- | doc/examples/metadata.c | 55 |
2 files changed, 56 insertions, 1 deletions
diff --git a/doc/examples/Makefile b/doc/examples/Makefile index 4561b10..f8abdff 100644 --- a/doc/examples/Makefile +++ b/doc/examples/Makefile @@ -3,7 +3,7 @@ FFMPEG_LIBS=libavdevice libavformat libavfilter libavcodec libswscale libavutil CFLAGS+=$(shell pkg-config --cflags $(FFMPEG_LIBS)) LDFLAGS+=$(shell pkg-config --libs $(FFMPEG_LIBS)) -EXAMPLES=encoding muxing +EXAMPLES=encoding metadata muxing OBJS=$(addsuffix .o,$(EXAMPLES)) diff --git a/doc/examples/metadata.c b/doc/examples/metadata.c new file mode 100644 index 0000000..7d29be7 --- /dev/null +++ b/doc/examples/metadata.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2011 Reinhard Tartler + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/** + * @file + * Shows how the metadata API can be used in application programs. + */ + +#include <stdio.h> + +#include <libavformat/avformat.h> +#include <libavutil/dict.h> + +int main (int argc, char **argv) +{ + AVFormatContext *fmt_ctx = NULL; + AVDictionaryEntry *tag = NULL; + int ret; + + if (argc != 2) { + printf("usage: %s <input_file>\n" + "example program to demonstrate the use of the libavformat metadata API.\n" + "\n", argv[0]); + return 1; + } + + av_register_all(); + if ((ret = avformat_open_input(&fmt_ctx, argv[1], NULL, NULL))) + return ret; + + while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) + printf("%s=%s\n", tag->key, tag->value); + + avformat_free_context(fmt_ctx); + return 0; +} |