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-rwxr-xr-xTOOLS/old-configure3
-rw-r--r--TOOLS/old-makefile2
-rw-r--r--demux/demux.c4
-rw-r--r--demux/demux_libarchive.c88
-rw-r--r--stream/stream.c4
-rw-r--r--stream/stream_libarchive.c260
-rw-r--r--stream/stream_libarchive.h10
-rw-r--r--wscript5
-rw-r--r--wscript_build.py2
9 files changed, 378 insertions, 0 deletions
diff --git a/TOOLS/old-configure b/TOOLS/old-configure
index ada5ca7356..a4cc9d16a5 100755
--- a/TOOLS/old-configure
+++ b/TOOLS/old-configure
@@ -216,6 +216,7 @@ options_state_machine() {
opt_yes_no _lua "Lua scripting"
opt_yes_no _vapoursynth "VapourSynth filter bridge (Python)"
opt_yes_no _vapoursynth_lazy "VapourSynth filter bridge (Lua)"
+ opt_yes_no _libarchive "libarchive"
opt_yes_no _encoding "encoding functionality" yes
opt_yes_no _build_man "building manpage"
}
@@ -859,6 +860,8 @@ if test "$_vapoursynth" = no && test "$_vapoursynth_lazy" = no ; then
fi
check_trivial "VapourSynth core" $_vapoursynth_core VAPOURSYNTH_CORE
+check_pkg_config "libarchive support" $_libarchive LIBARCHIVE 'libarchive >= 3.0.0'
+
check_trivial "encoding" $_encoding ENCODING
# needs dlopen on unix
diff --git a/TOOLS/old-makefile b/TOOLS/old-makefile
index d36b013e21..4f5737595f 100644
--- a/TOOLS/old-makefile
+++ b/TOOLS/old-makefile
@@ -108,6 +108,8 @@ SOURCES-$(LIBAVFILTER) += video/filter/vf_lavfi.c \
SOURCES-$(LUA) += player/lua.c
SOURCES-$(VAPOURSYNTH_CORE) += video/filter/vf_vapoursynth.c
+SOURCES-$(LIBARCHIVE) += demux/demux_libarchive.c \
+ stream/stream_libarchive.c
SOURCES-$(DLOPEN) += video/filter/vf_dlopen.c
SOURCES = audio/audio.c \
diff --git a/demux/demux.c b/demux/demux.c
index 4c4a399c9f..7d66c56745 100644
--- a/demux/demux.c
+++ b/demux/demux.c
@@ -53,6 +53,7 @@ extern const demuxer_desc_t demuxer_desc_subreader;
extern const demuxer_desc_t demuxer_desc_playlist;
extern const demuxer_desc_t demuxer_desc_disc;
extern const demuxer_desc_t demuxer_desc_rar;
+extern const demuxer_desc_t demuxer_desc_libarchive;
/* Please do not add any new demuxers here. If you want to implement a new
* demuxer, add it to libavformat, except for wrappers around external
@@ -71,6 +72,9 @@ const demuxer_desc_t *const demuxer_list[] = {
&demuxer_desc_libass,
#endif
&demuxer_desc_matroska,
+#if HAVE_LIBARCHIVE
+ &demuxer_desc_libarchive,
+#endif
&demuxer_desc_rar,
&demuxer_desc_lavf,
&demuxer_desc_mf,
diff --git a/demux/demux_libarchive.c b/demux/demux_libarchive.c
new file mode 100644
index 0000000000..b95f37228c
--- /dev/null
+++ b/demux/demux_libarchive.c
@@ -0,0 +1,88 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <archive.h>
+#include <archive_entry.h>
+
+#include "common/common.h"
+#include "common/playlist.h"
+#include "stream/stream.h"
+#include "demux.h"
+
+#include "stream/stream_libarchive.h"
+
+static int cmp_filename(const void *a, const void *b)
+{
+ return strcmp(*(char **)a, *(char **)b);
+}
+
+static int open_file(struct demuxer *demuxer, enum demux_check check)
+{
+ struct mp_archive *mpa = mp_archive_new(demuxer->log, demuxer->stream);
+ if (!mpa)
+ return -1;
+
+ struct playlist *pl = talloc_zero(demuxer, struct playlist);
+ demuxer->playlist = pl;
+
+ // make it load archive://
+ pl->disable_safety = true;
+
+ char *prefix = mp_url_escape(mpa, demuxer->stream->url, "~|");
+
+ char **files = NULL;
+ int num_files = 0;
+
+ for (;;) {
+ struct archive_entry *entry;
+ int r = archive_read_next_header(mpa->arch, &entry);
+ if (r == ARCHIVE_EOF)
+ break;
+ if (r < ARCHIVE_OK)
+ MP_ERR(demuxer, "libarchive: %s\n", archive_error_string(mpa->arch));
+ if (r < ARCHIVE_WARN)
+ break;
+ if (archive_entry_filetype(entry) != AE_IFREG)
+ continue;
+ const char *fn = archive_entry_pathname(entry);
+ // Some archives may have no filenames.
+ if (!fn)
+ fn = talloc_asprintf(mpa, "mpv_unknown#%d\n", num_files);
+ // stream_libarchive.c does the real work
+ char *f = talloc_asprintf(mpa, "archive://%s|%s", prefix, fn);
+ MP_TARRAY_APPEND(mpa, files, num_files, f);
+ }
+
+ if (files)
+ qsort(files, num_files, sizeof(files[0]), cmp_filename);
+
+ for (int n = 0; n < num_files; n++)
+ playlist_add_file(pl, files[n]);
+
+ demuxer->filetype = "archive";
+ demuxer->fully_read = true;
+
+ mp_archive_free(mpa);
+
+ return 0;
+}
+
+const struct demuxer_desc demuxer_desc_libarchive = {
+ .name = "libarchive",
+ .desc = "libarchive wrapper",
+ .open = open_file,
+};
diff --git a/stream/stream.c b/stream/stream.c
index 35d09ad023..48ae58d639 100644
--- a/stream/stream.c
+++ b/stream/stream.c
@@ -75,6 +75,7 @@ extern const stream_info_t stream_info_bluray;
extern const stream_info_t stream_info_bdnav;
extern const stream_info_t stream_info_rar;
extern const stream_info_t stream_info_edl;
+extern const stream_info_t stream_info_libarchive;
static const stream_info_t *const stream_list[] = {
#if HAVE_CDDA
@@ -108,6 +109,9 @@ static const stream_info_t *const stream_list[] = {
&stream_info_bluray,
&stream_info_bdnav,
#endif
+#if HAVE_LIBARCHIVE
+ &stream_info_libarchive,
+#endif
&stream_info_memory,
&stream_info_null,
diff --git a/stream/stream_libarchive.c b/stream/stream_libarchive.c
new file mode 100644
index 0000000000..c2a64dbf63
--- /dev/null
+++ b/stream/stream_libarchive.c
@@ -0,0 +1,260 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <archive.h>
+#include <archive_entry.h>
+
+#include "common/common.h"
+#include "stream.h"
+
+#include "stream_libarchive.h"
+
+static ssize_t read_cb(struct archive *arch, void *priv, const void **buffer)
+{
+ struct mp_archive *mpa = priv;
+ int res = stream_read_partial(mpa->src, mpa->buffer, sizeof(mpa->buffer));
+ *buffer = mpa->buffer;
+ return MPMAX(res, 0);
+}
+
+static ssize_t seek_cb(struct archive *arch, void *priv,
+ int64_t offset, int whence)
+{
+ struct mp_archive *mpa = priv;
+ switch (whence) {
+ case SEEK_SET:
+ break;
+ case SEEK_CUR:
+ offset += mpa->src->pos;
+ break;
+ case SEEK_END: ;
+ int64_t size = -1;
+ stream_control(mpa->src, STREAM_CTRL_GET_SIZE, &size);
+ if (size < 0)
+ return -1;
+ offset += size;
+ break;
+ default:
+ return -1;
+ }
+ return stream_seek(mpa->src, offset) ? offset : -1;
+}
+
+static int64_t skip_cb(struct archive *arch, void *priv, int64_t request)
+{
+ struct mp_archive *mpa = priv;
+ int64_t old = stream_tell(mpa->src);
+ stream_skip(mpa->src, request);
+ return stream_tell(mpa->src) - old;
+}
+
+void mp_archive_free(struct mp_archive *mpa)
+{
+ if (mpa && mpa->arch) {
+ archive_read_close(mpa->arch);
+ archive_read_free(mpa->arch);
+ }
+ talloc_free(mpa);
+}
+
+struct mp_archive *mp_archive_new(struct mp_log *log, struct stream *src)
+{
+ struct mp_archive *mpa = talloc_zero(NULL, struct mp_archive);
+ mpa->src = src;
+ stream_seek(mpa->src, 0);
+ mpa->arch = archive_read_new();
+ if (!mpa->arch)
+ goto err;
+ archive_read_support_format_all(mpa->arch);
+ archive_read_support_filter_all(mpa->arch);
+ archive_read_set_callback_data(mpa->arch, mpa);
+ archive_read_set_read_callback(mpa->arch, read_cb);
+ archive_read_set_skip_callback(mpa->arch, skip_cb);
+ if (mpa->src->seekable)
+ archive_read_set_seek_callback(mpa->arch, seek_cb);
+ if (archive_read_open1(mpa->arch) < ARCHIVE_OK)
+ goto err;
+ return mpa;
+
+err:
+ mp_archive_free(mpa);
+ return NULL;
+}
+
+struct priv {
+ struct mp_archive *mpa;
+ struct stream *src;
+ int64_t entry_size;
+ char *entry_name;
+};
+
+static int reopen_archive(stream_t *s)
+{
+ struct priv *p = s->priv;
+ mp_archive_free(p->mpa);
+ p->mpa = mp_archive_new(s->log, p->src);
+ if (!p->mpa)
+ return STREAM_ERROR;
+
+ // Follows the same logic as demux_libarchive.c.
+ struct mp_archive *mpa = p->mpa;
+ int num_files = 0;
+ for (;;) {
+ struct archive_entry *entry;
+ int r = archive_read_next_header(mpa->arch, &entry);
+ if (r == ARCHIVE_EOF) {
+ MP_ERR(s, "archive entry not found. '%s'\n", p->entry_name);
+ goto error;
+ }
+ if (r < ARCHIVE_OK)
+ MP_ERR(s, "libarchive: %s\n", archive_error_string(mpa->arch));
+ if (r < ARCHIVE_WARN)
+ goto error;
+ if (archive_entry_filetype(entry) != AE_IFREG)
+ continue;
+ const char *fn = archive_entry_pathname(entry);
+ char buf[64];
+ if (!fn) {
+ snprintf(buf, sizeof(buf), "mpv_unknown#%d\n", num_files);
+ fn = buf;
+ }
+ if (strcmp(p->entry_name, fn) == 0) {
+ p->entry_size = -1;
+ if (archive_entry_size_is_set(entry))
+ p->entry_size = archive_entry_size(entry);
+ return STREAM_OK;
+ }
+ num_files++;
+ }
+
+error:
+ mp_archive_free(p->mpa);
+ p->mpa = NULL;
+ MP_ERR(s, "could not open archive\n");
+ return STREAM_ERROR;
+}
+
+static int archive_entry_fill_buffer(stream_t *s, char *buffer, int max_len)
+{
+ struct priv *p = s->priv;
+ if (!p->mpa)
+ return 0;
+ int r = archive_read_data(p->mpa->arch, buffer, max_len);
+ if (r < 0)
+ MP_ERR(s, "libarchive: %s\n", archive_error_string(p->mpa->arch));
+ return r;
+}
+
+static int archive_entry_seek(stream_t *s, int64_t newpos)
+{
+ struct priv *p = s->priv;
+ if (!p->mpa)
+ return -1;
+ if (archive_seek_data(p->mpa->arch, newpos, SEEK_SET) >= 0)
+ return 1;
+ // libarchive can't seek in most formats.
+ if (newpos < s->pos) {
+ // Hack seeking backwards into working by reopening the archive and
+ // starting over.
+ MP_VERBOSE(s, "trying to reopen archive for performing seek\n");
+ if (reopen_archive(s) < STREAM_OK)
+ return -1;
+ s->pos = 0;
+ }
+ if (newpos > s->pos) {
+ // For seeking forwards, just keep reading data (there's no libarchive
+ // skip function either).
+ char buffer[4096];
+ while (newpos > s->pos) {
+ int size = MPMIN(newpos - s->pos, sizeof(buffer));
+ int r = archive_read_data(p->mpa->arch, buffer, size);
+ if (r < 0) {
+ MP_ERR(s, "libarchive: %s\n", archive_error_string(p->mpa->arch));
+ return -1;
+ }
+ s->pos += r;
+ }
+ }
+ return 1;
+}
+
+static void archive_entry_close(stream_t *s)
+{
+ struct priv *p = s->priv;
+ mp_archive_free(p->mpa);
+ free_stream(p->src);
+}
+
+static int archive_entry_control(stream_t *s, int cmd, void *arg)
+{
+ struct priv *p = s->priv;
+ switch (cmd) {
+ case STREAM_CTRL_GET_BASE_FILENAME:
+ *(char **)arg = talloc_strdup(NULL, p->src->url);
+ return STREAM_OK;
+ case STREAM_CTRL_GET_SIZE:
+ if (p->entry_size < 0)
+ break;
+ *(int64_t *)arg = p->entry_size;
+ return STREAM_OK;
+ }
+ return STREAM_UNSUPPORTED;
+}
+
+static int archive_entry_open(stream_t *stream)
+{
+ struct priv *p = talloc_zero(stream, struct priv);
+ stream->priv = p;
+
+ if (!strchr(stream->path, '|'))
+ return STREAM_ERROR;
+
+ char *base = talloc_strdup(p, stream->path);
+ char *name = strchr(base, '|');
+ *name++ = '\0';
+ p->entry_name = name;
+ mp_url_unescape_inplace(base);
+
+ p->src = stream_create(base, STREAM_READ | STREAM_SAFE_ONLY,
+ stream->cancel, stream->global);
+ if (!p->src) {
+ archive_entry_close(stream);
+ return STREAM_ERROR;
+ }
+
+ int r = reopen_archive(stream);
+ if (r < STREAM_OK) {
+ archive_entry_close(stream);
+ return r;
+ }
+
+ stream->fill_buffer = archive_entry_fill_buffer;
+ if (p->src->seekable) {
+ stream->seek = archive_entry_seek;
+ stream->seekable = true;
+ }
+ stream->close = archive_entry_close;
+ stream->control = archive_entry_control;
+
+ return STREAM_OK;
+}
+
+const stream_info_t stream_info_libarchive = {
+ .name = "libarchive",
+ .open = archive_entry_open,
+ .protocols = (const char*const[]){ "archive", NULL },
+};
diff --git a/stream/stream_libarchive.h b/stream/stream_libarchive.h
new file mode 100644
index 0000000000..5d10eb33c5
--- /dev/null
+++ b/stream/stream_libarchive.h
@@ -0,0 +1,10 @@
+struct mp_log;
+
+struct mp_archive {
+ struct archive *arch;
+ struct stream *src;
+ char buffer[4096];
+};
+
+void mp_archive_free(struct mp_archive *mpa);
+struct mp_archive *mp_archive_new(struct mp_log *log, struct stream *src);
diff --git a/wscript b/wscript
index 0a5bf61157..a61c478e11 100644
--- a/wscript
+++ b/wscript
@@ -377,6 +377,11 @@ iconv support use --disable-iconv.",
'desc': 'VapourSynth filter bridge (Lazy Lua)',
'deps': ['vapoursynth-core', 'lua'],
'func': check_true,
+ }, {
+ 'name': '--libarchive',
+ 'desc': 'libarchive wrapper for reading zip files and more',
+ 'func': check_pkg_config('libarchive >= 3.0.0'),
+ 'default': 'disable',
}
]
diff --git a/wscript_build.py b/wscript_build.py
index a96fb87540..dfe7650f3a 100644
--- a/wscript_build.py
+++ b/wscript_build.py
@@ -170,6 +170,7 @@ def build(ctx):
( "demux/demux_disc.c" ),
( "demux/demux_edl.c" ),
( "demux/demux_lavf.c" ),
+ ( "demux/demux_libarchive.c", "libarchive" ),
( "demux/demux_libass.c", "libass"),
( "demux/demux_mf.c" ),
( "demux/demux_mkv.c" ),
@@ -247,6 +248,7 @@ def build(ctx):
( "stream/stream_edl.c" ),
( "stream/stream_file.c" ),
( "stream/stream_lavf.c" ),
+ ( "stream/stream_libarchive.c", "libarchive" ),
( "stream/stream_memory.c" ),
( "stream/stream_mf.c" ),
( "stream/stream_null.c" ),
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 20:54:28 +0000