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stream_bluray: allow opening BDMV directories directly 

Similar as the previous commits.

Most of the code is actually copied from the stream_dvdnav.c code, but
I'd rather prefer to duplicate it, than to entangle them. The latter
would probably result in terrible things in a few years.
This commit is contained in:
wm4 2014-09-26 00:14:58 +02:00
parent c3f7773138
commit d6c27855d7
2 changed files with 88 additions and 0 deletions
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2
stream/stream.c
View File

@ -68,6 +68,7 @@ extern const stream_info_t stream_info_ifo;
extern const stream_info_t stream_info_ifo_dvdnav;
extern const stream_info_t stream_info_dvd;
extern const stream_info_t stream_info_dvdnav;
extern const stream_info_t stream_info_bdmv_dir;
extern const stream_info_t stream_info_bluray;
extern const stream_info_t stream_info_bdnav;
extern const stream_info_t stream_info_rar_filter;
@ -102,6 +103,7 @@ static const stream_info_t *const stream_list[] = {
&stream_info_dvdnav,
#endif
#if HAVE_LIBBLURAY
&stream_info_bdmv_dir,
&stream_info_bluray,
&stream_info_bdnav,
#endif

86
stream/stream_bluray.c
View File

@ -28,6 +28,7 @@
*/
#include <string.h>
#include <strings.h>
#include <assert.h>
#include <libbluray/bluray.h>
@ -43,6 +44,7 @@
#include "common/msg.h"
#include "options/m_option.h"
#include "options/options.h"
#include "options/path.h"
#include "stream.h"
#include "osdep/timer.h"
#include "discnav.h"
@ -829,3 +831,87 @@ const stream_info_t stream_info_bdnav = {
NULL
},
};
static bool check_bdmv(const char *path)
{
if (strcasecmp(mp_basename(path), "MovieObject.bdmv"))
return false;
FILE *temp = fopen(path, "rb");
if (!temp)
return false;
bool r = false;
const char *sig = "MOBJ020";
char data[50];
if (fread(data, 50, 1, temp) == 1) {
if (memcmp(data, sig, strlen(sig)) == 0)
r = true;
}
fclose(temp);
return r;
}
// Destructively remove the current trailing path component.
static void remove_prefix(char *path)
{
size_t len = strlen(path);
#if HAVE_DOS_PATHS
const char *seps = "/\\";
#else
const char *seps = "/";
#endif
while (len > 0 && !strchr(seps, path[len - 1]))
len--;
while (len > 0 && strchr(seps, path[len - 1]))
len--;
path[len] = '\0';
}
static int bdmv_dir_stream_open(stream_t *stream)
{
struct bluray_priv_s *priv = talloc_ptrtype(stream, priv);
stream->priv = priv;
*priv = bluray_stream_priv_dflts;
char *path = mp_file_get_path(priv, bstr0(stream->url));
if (!path)
goto unsupported;
// We allow the path to point to a directory containing BDMV/, a
// directory containing MovieObject.bdmv, or that file itself.
if (!check_bdmv(path)) {
// On UNIX, just assume the filename has always this case.
char *npath = mp_path_join(priv, bstr0(path), bstr0("MovieObject.bdmv"));
if (!check_bdmv(npath)) {
npath = mp_path_join(priv, bstr0(path), bstr0("BDMV/MovieObject.bdmv"));
if (!check_bdmv(npath))
goto unsupported;
}
path = npath;
}
// Go up by 2 levels.
remove_prefix(path);
remove_prefix(path);
priv->cfg_device = path;
if (strlen(priv->cfg_device) <= 1)
goto unsupported;
MP_INFO(stream, "BDMV detected. Redirecting to bluray://\n");
return bluray_stream_open(stream);
unsupported:
talloc_free(priv);
stream->priv = NULL;
return STREAM_UNSUPPORTED;
}
const stream_info_t stream_info_bdmv_dir = {
.name = "bdmv/bluray",
.open = bdmv_dir_stream_open,
.protocols = (const char*const[]){ "file", "", NULL },
};