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plugins: properties: show track info for whole playlist

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Track Info can now be displayed for the set of
all tracks contained in a  playlist. This lets
you calculate a playlist's length, for example,
even if it is not currently playing.

This functionality can be accessed from the
existing "Properties" screen for a selected
playlist file. A line has been added at the
very bottom to show Track Info.

Change-Id: I311532b7cfa9e29d46c0cd5623ba4c06c1dd5b5f
This commit is contained in:
Christian Soffke 2024-05-28 00:01:57 +02:00
parent ef1e7d8896
commit 3d7d1d4d5b
8 changed files with 187 additions and 115 deletions
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139
apps/playlist.c
View file

@ -2498,74 +2498,105 @@ int playlist_insert_directory(struct playlist_info* playlist,
}
/*
* Insert all tracks from specified playlist into dynamic playlist.
* If action_cb is *not* NULL, it will be called for every track contained
* in the playlist specified by filename. If action_cb is NULL, you must
* instead provide a playlist insert context to use for adding each track
* into a dynamic playlist.
*/
int playlist_insert_playlist(struct playlist_info* playlist, const char *filename,
int position, bool queue)
bool playlist_entries_iterate(const char *filename,
struct playlist_insert_context *pl_context,
bool (*action_cb)(const char *file_name))
{
int fd = -1;
int fd = -1, i = 0;
bool ret = false;
int max;
char *dir;
char temp_buf[MAX_PATH+1];
char trackname[MAX_PATH+1];
int result = -1;
bool utf8 = is_m3u8_name(filename);
cpu_boost(true);
fd = open_utf8(filename, O_RDONLY);
if (fd < 0)
{
notify_access_error();
goto out;
}
/* we need the directory name for formatting purposes */
size_t dirlen = path_dirname(filename, (const char **)&dir);
//dir = strmemdupa(dir, dirlen);
if (action_cb)
show_search_progress(true, 0);
while ((max = read_line(fd, temp_buf, sizeof(temp_buf))) > 0)
{
/* user abort */
if (!action_cb && action_userabort(TIMEOUT_NOBLOCK))
break;
if (temp_buf[0] != '#' && temp_buf[0] != '\0')
{
i++;
if (!utf8)
{
/* Use trackname as a temporay buffer. Note that trackname must
* be as large as temp_buf.
*/
max = convert_m3u_name(temp_buf, max, sizeof(temp_buf), trackname);
}
/* we need to format so that relative paths are correctly
handled */
if (format_track_path(trackname, temp_buf,
sizeof(trackname), dir, dirlen) < 0)
{
goto out;
}
if (action_cb)
{
if (!action_cb(trackname))
goto out;
else if (!show_search_progress(false, i))
break;
}
else if (playlist_insert_context_add(pl_context, trackname) < 0)
goto out;
}
/* let the other threads work */
yield();
}
ret = true;
out:
close(fd);
cpu_boost(false);
return ret;
}
/*
* Insert all tracks from specified playlist into dynamic playlist.
*/
int playlist_insert_playlist(struct playlist_info* playlist, const char *filename,
int position, bool queue)
{
int result = -1;
struct playlist_insert_context pl_context;
cpu_boost(true);
if (playlist_insert_context_create(playlist, &pl_context, position, queue, true) >= 0)
{
fd = open_utf8(filename, O_RDONLY);
if (fd < 0)
{
notify_access_error();
goto out;
}
if (playlist_insert_context_create(playlist, &pl_context, position, queue, true) >= 0
&& playlist_entries_iterate(filename, &pl_context, NULL))
result = 0;
/* we need the directory name for formatting purposes */
size_t dirlen = path_dirname(filename, (const char **)&dir);
//dir = strmemdupa(dir, dirlen);
while ((max = read_line(fd, temp_buf, sizeof(temp_buf))) > 0)
{
/* user abort */
if (action_userabort(TIMEOUT_NOBLOCK))
break;
if (temp_buf[0] != '#' && temp_buf[0] != '\0')
{
if (!utf8)
{
/* Use trackname as a temporay buffer. Note that trackname must
* be as large as temp_buf.
*/
max = convert_m3u_name(temp_buf, max, sizeof(temp_buf), trackname);
}
/* we need to format so that relative paths are correctly
handled */
if (format_track_path(trackname, temp_buf,
sizeof(trackname), dir, dirlen) < 0)
{
goto out;
}
if (playlist_insert_context_add(&pl_context, trackname) < 0)
goto out;
}
/* let the other threads work */
yield();
}
}
result = 0;
out:
close(fd);
cpu_boost(false);
playlist_insert_context_release(&pl_context);
return result;