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legacy-imlib2
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Y4M loader: add error messages on parsing errors 

Tested:

Image with 420p10 color space.

Before:
```
$ IMLIB2_DEBUG=31:0 imlib2_view out.y4m
...
LOAD: __imlib_FindBestLoader: fmt='y4m': /usr/local/lib/imlib2/loaders/y4m.so
IMG : __imlib_LoadImageWrapper: fmt='y4m' file='out.y4m'(out.y4m) frame=1, imm=1
IMG : __imlib_LoadImageWrapper: y4m : out.y4m: Elapsed time: 0.010 ms
...
```

After:
```
$ IMLIB2_DEBUG=31:0 imlib2_view out.y4m
...
LOAD: __imlib_FindBestLoader: fmt='y4m': /usr/local/lib/imlib2/loaders/y4m.so
IMG : __imlib_LoadImageWrapper: fmt='y4m' file='out.y4m'(out.y4m) frame=1, imm=1
LDR-y4m: y4m__parse_params: unknown C: 'C420p10'
IMG : __imlib_LoadImageWrapper: y4m : out.y4m: Elapsed time: 0.010 ms
...
```
This commit is contained in:
Chema Gonzalez 2023-12-27 15:17:54 -08:00 committed by Kim Woelders
parent c08ae5fdfb
commit 96e04dd8cf
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/modules/loaders/loader_y4m.c
View File

@ -171,6 +171,9 @@ y4m__parse_params(Y4mParse * res, const uint8_t ** start, const uint8_t * end)
if (rate_num == rate_den) {
res->fps = Y4M_PARSE_FPS_1;
} else {
char str[1024];
sscanf((char *)(p-1), "%s", (char *)&str);
D("%s: unknown frame rate: '%s'\n", __func__, str);
res->fps = Y4M_PARSE_FPS_OTHER;
}
}
@ -184,8 +187,12 @@ y4m__parse_params(Y4mParse * res, const uint8_t ** start, const uint8_t * end)
res->interlacing = Y4M_PARSE_IL_BOTTOM;
else if (y4m__match("m", 1, &p, end))
res->interlacing = Y4M_PARSE_IL_MIXED;
else
else {
char str[1024];
sscanf((char *)(p-1), "%s", (char *)&str);
D("%s: unknown interlace type: '%s'\n", __func__, str);
return Y4M_PARSE_CORRUPTED;
}
break;
case 'C':
if (y4m__match("mono", 4, &p, end))
@ -202,8 +209,12 @@ y4m__parse_params(Y4mParse * res, const uint8_t ** start, const uint8_t * end)
res->colour_space = Y4M_PARSE_CS_422;
else if (y4m__match("444 ", 4, &p, end))
res->colour_space = Y4M_PARSE_CS_444;
else
else {
char str[1024];
sscanf((char *)(p-1), "%s", (char *)&str);
D("%s: unknown color type: '%s'\n", __func__, str);
return Y4M_PARSE_CORRUPTED;
}
break;
case 'A':
if (y4m__match("0:0", 3, &p, end))