On Sat, Aug 15, 2015 at 3:56 AM, Michael Niedermayer <mich...@niedermayer.cc > wrote:
> On Sat, Aug 15, 2015 at 02:01:20AM +0200, Mariusz Szczepańczyk wrote: > > --- > > doc/examples/avio_list_dir.c | 92 > ++++++++++++++++++++++++++++++++++++-------- > > 1 file changed, 76 insertions(+), 16 deletions(-) > > > > diff --git a/doc/examples/avio_list_dir.c b/doc/examples/avio_list_dir.c > > index 4060ba6..50c435c 100644 > > --- a/doc/examples/avio_list_dir.c > > +++ b/doc/examples/avio_list_dir.c > > applied > > maybe the example should be renamed though as it does more than list > directories now > > thanks > > like this? > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > Its not that you shouldnt use gotos but rather that you should write > readable code and code with gotos often but not always is less readable > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > >
From ef37d8048a739db93df2516b7428ae009c4a6752 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Mariusz=20Szczepa=C5=84czyk?= <mszczepanc...@gmail.com> Date: Sat, 15 Aug 2015 17:59:17 +0200 Subject: [PATCH] doc/examples: rename avio_list_dir -> avio_dir_cmd --- .gitignore | 2 +- configure | 4 +- doc/Makefile | 2 +- doc/examples/Makefile | 2 +- doc/examples/avio_dir_cmd.c | 180 +++++++++++++++++++++++++++++++++++++++++++ doc/examples/avio_list_dir.c | 180 ------------------------------------------- 6 files changed, 185 insertions(+), 185 deletions(-) create mode 100644 doc/examples/avio_dir_cmd.c delete mode 100644 doc/examples/avio_list_dir.c diff --git a/.gitignore b/.gitignore index 6a3664a..cb9cbec 100644 --- a/.gitignore +++ b/.gitignore @@ -37,7 +37,7 @@ /doc/avoptions_codec.texi /doc/avoptions_format.texi /doc/doxy/html/ -/doc/examples/avio_list_dir +/doc/examples/avio_dir_cmd /doc/examples/avio_reading /doc/examples/decoding_encoding /doc/examples/demuxing_decoding diff --git a/configure b/configure index 3ad72d8..381b09e 100755 --- a/configure +++ b/configure @@ -1343,7 +1343,7 @@ COMPONENT_LIST=" EXAMPLE_LIST=" avio_reading_example - avio_list_dir_example + avio_dir_cmd_example decoding_encoding_example demuxing_decoding_example extract_mvs_example @@ -2803,7 +2803,7 @@ zoompan_filter_deps="swscale" # examples avio_reading="avformat avcodec avutil" -avio_list_dir="avformat avutil" +avio_dir_cmd="avformat avutil" avcodec_example_deps="avcodec avutil" decoding_encoding_example_deps="avcodec avformat avutil" demuxing_decoding_example_deps="avcodec avformat avutil" diff --git a/doc/Makefile b/doc/Makefile index 4573531..3e67c2a 100644 --- a/doc/Makefile +++ b/doc/Makefile @@ -36,7 +36,7 @@ DOCS-$(CONFIG_MANPAGES) += $(MANPAGES) DOCS-$(CONFIG_TXTPAGES) += $(TXTPAGES) DOCS = $(DOCS-yes) -DOC_EXAMPLES-$(CONFIG_AVIO_LIST_DIR_EXAMPLE) += avio_list_dir +DOC_EXAMPLES-$(CONFIG_AVIO_DIR_CMD_EXAMPLE) += avio_dir_cmd DOC_EXAMPLES-$(CONFIG_AVIO_READING_EXAMPLE) += avio_reading DOC_EXAMPLES-$(CONFIG_AVCODEC_EXAMPLE) += avcodec DOC_EXAMPLES-$(CONFIG_DECODING_ENCODING_EXAMPLE) += decoding_encoding diff --git a/doc/examples/Makefile b/doc/examples/Makefile index 8c9501b..af38159 100644 --- a/doc/examples/Makefile +++ b/doc/examples/Makefile @@ -11,7 +11,7 @@ CFLAGS += -Wall -g CFLAGS := $(shell pkg-config --cflags $(FFMPEG_LIBS)) $(CFLAGS) LDLIBS := $(shell pkg-config --libs $(FFMPEG_LIBS)) $(LDLIBS) -EXAMPLES= avio_list_dir \ +EXAMPLES= avio_dir_cmd \ avio_reading \ decoding_encoding \ demuxing_decoding \ diff --git a/doc/examples/avio_dir_cmd.c b/doc/examples/avio_dir_cmd.c new file mode 100644 index 0000000..50c435c --- /dev/null +++ b/doc/examples/avio_dir_cmd.c @@ -0,0 +1,180 @@ +/* + * Copyright (c) 2014 Lukasz Marek + * + * 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. + */ + +#include <libavcodec/avcodec.h> +#include <libavformat/avformat.h> +#include <libavformat/avio.h> + +static const char *type_string(int type) +{ + switch (type) { + case AVIO_ENTRY_DIRECTORY: + return "<DIR>"; + case AVIO_ENTRY_FILE: + return "<FILE>"; + case AVIO_ENTRY_BLOCK_DEVICE: + return "<BLOCK DEVICE>"; + case AVIO_ENTRY_CHARACTER_DEVICE: + return "<CHARACTER DEVICE>"; + case AVIO_ENTRY_NAMED_PIPE: + return "<PIPE>"; + case AVIO_ENTRY_SYMBOLIC_LINK: + return "<LINK>"; + case AVIO_ENTRY_SOCKET: + return "<SOCKET>"; + case AVIO_ENTRY_SERVER: + return "<SERVER>"; + case AVIO_ENTRY_SHARE: + return "<SHARE>"; + case AVIO_ENTRY_WORKGROUP: + return "<WORKGROUP>"; + case AVIO_ENTRY_UNKNOWN: + default: + break; + } + return "<UNKNOWN>"; +} + +static int list_op(const char *input_dir) +{ + AVIODirEntry *entry = NULL; + AVIODirContext *ctx = NULL; + int cnt, ret; + char filemode[4], uid_and_gid[20]; + + if ((ret = avio_open_dir(&ctx, input_dir, NULL)) < 0) { + av_log(NULL, AV_LOG_ERROR, "Cannot open directory: %s.\n", av_err2str(ret)); + goto fail; + } + + cnt = 0; + for (;;) { + if ((ret = avio_read_dir(ctx, &entry)) < 0) { + av_log(NULL, AV_LOG_ERROR, "Cannot list directory: %s.\n", av_err2str(ret)); + goto fail; + } + if (!entry) + break; + if (entry->filemode == -1) { + snprintf(filemode, 4, "???"); + } else { + snprintf(filemode, 4, "%3"PRIo64, entry->filemode); + } + snprintf(uid_and_gid, 20, "%"PRId64"(%"PRId64")", entry->user_id, entry->group_id); + if (cnt == 0) + av_log(NULL, AV_LOG_INFO, "%-9s %12s %30s %10s %s %16s %16s %16s\n", + "TYPE", "SIZE", "NAME", "UID(GID)", "UGO", "MODIFIED", + "ACCESSED", "STATUS_CHANGED"); + av_log(NULL, AV_LOG_INFO, "%-9s %12"PRId64" %30s %10s %s %16"PRId64" %16"PRId64" %16"PRId64"\n", + type_string(entry->type), + entry->size, + entry->name, + uid_and_gid, + filemode, + entry->modification_timestamp, + entry->access_timestamp, + entry->status_change_timestamp); + avio_free_directory_entry(&entry); + cnt++; + }; + + fail: + avio_close_dir(&ctx); + return ret; +} + +static int del_op(const char *url) +{ + int ret = avpriv_io_delete(url); + if (ret < 0) + av_log(NULL, AV_LOG_ERROR, "Cannot delete '%s': %s.\n", url, av_err2str(ret)); + return ret; +} + +static int move_op(const char *src, const char *dst) +{ + int ret = avpriv_io_move(src, dst); + if (ret < 0) + av_log(NULL, AV_LOG_ERROR, "Cannot move '%s' into '%s': %s.\n", src, dst, av_err2str(ret)); + return ret; +} + + +static void usage(const char *program_name) +{ + fprintf(stderr, "usage: %s OPERATION entry1 [entry2]\n" + "API example program to show how to manipulate resources " + "accessed through AVIOContext.\n" + "OPERATIONS:\n" + "list list content of the directory\n" + "move rename content in directory\n" + "del delete content in directory\n", + program_name); +} + +int main(int argc, char *argv[]) +{ + const char *op = NULL; + int ret; + + av_log_set_level(AV_LOG_DEBUG); + + if (argc < 2) { + usage(argv[0]); + return 1; + } + + /* register codecs and formats and other lavf/lavc components*/ + av_register_all(); + avformat_network_init(); + + op = argv[1]; + if (strcmp(op, "list") == 0) { + if (argc < 3) { + av_log(NULL, AV_LOG_INFO, "Missing argument for list operation.\n"); + ret = AVERROR(EINVAL); + } else { + ret = list_op(argv[2]); + } + } else if (strcmp(op, "del") == 0) { + if (argc < 3) { + av_log(NULL, AV_LOG_INFO, "Missing argument for del operation.\n"); + ret = AVERROR(EINVAL); + } else { + ret = del_op(argv[2]); + } + } else if (strcmp(op, "move") == 0) { + if (argc < 4) { + av_log(NULL, AV_LOG_INFO, "Missing argument for move operation.\n"); + ret = AVERROR(EINVAL); + } else { + ret = move_op(argv[2], argv[3]); + } + } else { + av_log(NULL, AV_LOG_INFO, "Invalid operation %s\n", op); + ret = AVERROR(EINVAL); + } + + avformat_network_deinit(); + + return ret < 0 ? 1 : 0; +} diff --git a/doc/examples/avio_list_dir.c b/doc/examples/avio_list_dir.c deleted file mode 100644 index 50c435c..0000000 --- a/doc/examples/avio_list_dir.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * Copyright (c) 2014 Lukasz Marek - * - * 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. - */ - -#include <libavcodec/avcodec.h> -#include <libavformat/avformat.h> -#include <libavformat/avio.h> - -static const char *type_string(int type) -{ - switch (type) { - case AVIO_ENTRY_DIRECTORY: - return "<DIR>"; - case AVIO_ENTRY_FILE: - return "<FILE>"; - case AVIO_ENTRY_BLOCK_DEVICE: - return "<BLOCK DEVICE>"; - case AVIO_ENTRY_CHARACTER_DEVICE: - return "<CHARACTER DEVICE>"; - case AVIO_ENTRY_NAMED_PIPE: - return "<PIPE>"; - case AVIO_ENTRY_SYMBOLIC_LINK: - return "<LINK>"; - case AVIO_ENTRY_SOCKET: - return "<SOCKET>"; - case AVIO_ENTRY_SERVER: - return "<SERVER>"; - case AVIO_ENTRY_SHARE: - return "<SHARE>"; - case AVIO_ENTRY_WORKGROUP: - return "<WORKGROUP>"; - case AVIO_ENTRY_UNKNOWN: - default: - break; - } - return "<UNKNOWN>"; -} - -static int list_op(const char *input_dir) -{ - AVIODirEntry *entry = NULL; - AVIODirContext *ctx = NULL; - int cnt, ret; - char filemode[4], uid_and_gid[20]; - - if ((ret = avio_open_dir(&ctx, input_dir, NULL)) < 0) { - av_log(NULL, AV_LOG_ERROR, "Cannot open directory: %s.\n", av_err2str(ret)); - goto fail; - } - - cnt = 0; - for (;;) { - if ((ret = avio_read_dir(ctx, &entry)) < 0) { - av_log(NULL, AV_LOG_ERROR, "Cannot list directory: %s.\n", av_err2str(ret)); - goto fail; - } - if (!entry) - break; - if (entry->filemode == -1) { - snprintf(filemode, 4, "???"); - } else { - snprintf(filemode, 4, "%3"PRIo64, entry->filemode); - } - snprintf(uid_and_gid, 20, "%"PRId64"(%"PRId64")", entry->user_id, entry->group_id); - if (cnt == 0) - av_log(NULL, AV_LOG_INFO, "%-9s %12s %30s %10s %s %16s %16s %16s\n", - "TYPE", "SIZE", "NAME", "UID(GID)", "UGO", "MODIFIED", - "ACCESSED", "STATUS_CHANGED"); - av_log(NULL, AV_LOG_INFO, "%-9s %12"PRId64" %30s %10s %s %16"PRId64" %16"PRId64" %16"PRId64"\n", - type_string(entry->type), - entry->size, - entry->name, - uid_and_gid, - filemode, - entry->modification_timestamp, - entry->access_timestamp, - entry->status_change_timestamp); - avio_free_directory_entry(&entry); - cnt++; - }; - - fail: - avio_close_dir(&ctx); - return ret; -} - -static int del_op(const char *url) -{ - int ret = avpriv_io_delete(url); - if (ret < 0) - av_log(NULL, AV_LOG_ERROR, "Cannot delete '%s': %s.\n", url, av_err2str(ret)); - return ret; -} - -static int move_op(const char *src, const char *dst) -{ - int ret = avpriv_io_move(src, dst); - if (ret < 0) - av_log(NULL, AV_LOG_ERROR, "Cannot move '%s' into '%s': %s.\n", src, dst, av_err2str(ret)); - return ret; -} - - -static void usage(const char *program_name) -{ - fprintf(stderr, "usage: %s OPERATION entry1 [entry2]\n" - "API example program to show how to manipulate resources " - "accessed through AVIOContext.\n" - "OPERATIONS:\n" - "list list content of the directory\n" - "move rename content in directory\n" - "del delete content in directory\n", - program_name); -} - -int main(int argc, char *argv[]) -{ - const char *op = NULL; - int ret; - - av_log_set_level(AV_LOG_DEBUG); - - if (argc < 2) { - usage(argv[0]); - return 1; - } - - /* register codecs and formats and other lavf/lavc components*/ - av_register_all(); - avformat_network_init(); - - op = argv[1]; - if (strcmp(op, "list") == 0) { - if (argc < 3) { - av_log(NULL, AV_LOG_INFO, "Missing argument for list operation.\n"); - ret = AVERROR(EINVAL); - } else { - ret = list_op(argv[2]); - } - } else if (strcmp(op, "del") == 0) { - if (argc < 3) { - av_log(NULL, AV_LOG_INFO, "Missing argument for del operation.\n"); - ret = AVERROR(EINVAL); - } else { - ret = del_op(argv[2]); - } - } else if (strcmp(op, "move") == 0) { - if (argc < 4) { - av_log(NULL, AV_LOG_INFO, "Missing argument for move operation.\n"); - ret = AVERROR(EINVAL); - } else { - ret = move_op(argv[2], argv[3]); - } - } else { - av_log(NULL, AV_LOG_INFO, "Invalid operation %s\n", op); - ret = AVERROR(EINVAL); - } - - avformat_network_deinit(); - - return ret < 0 ? 1 : 0; -} -- 2.4.6
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel