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authorMax Kellermann <max@duempel.org>2014-12-23 20:43:15 +0100
committerMax Kellermann <max@duempel.org>2014-12-23 20:43:15 +0100
commitea96919b800af8b4d87e73d775b71fa126dc7fd9 (patch)
treec2cf1e14da49ebbfbde47d0ec4f5ea61f12bf312 /src
parent5835afb849f929661d9a5c1f746f4765d567b8ad (diff)
parent43da4c0ecaf23ebb7b282bdfe3b5c6bfc3ab6c41 (diff)
downloadmpd-ea96919b800af8b4d87e73d775b71fa126dc7fd9.tar.gz
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Merge branch 'v0.19.x'
Diffstat (limited to 'src')
-rw-r--r--src/decoder/plugins/DsdLib.cxx19
-rw-r--r--src/input/plugins/MmsInputPlugin.cxx7
2 files changed, 20 insertions, 6 deletions
diff --git a/src/decoder/plugins/DsdLib.cxx b/src/decoder/plugins/DsdLib.cxx
index 13f6bc846..9da08f3eb 100644
--- a/src/decoder/plugins/DsdLib.cxx
+++ b/src/decoder/plugins/DsdLib.cxx
@@ -29,8 +29,10 @@
#include "input/InputStream.hxx"
#include "tag/TagId3.hxx"
#include "util/Error.hxx"
+#include "util/Alloc.hxx"
#include <string.h>
+#include <stdlib.h>
#ifdef ENABLE_ID3TAG
#include <id3tag.h>
@@ -123,22 +125,27 @@ dsdlib_tag_id3(InputStream &is,
const id3_length_t count = size - offset;
- /* Check and limit id3 tag size to prevent a stack overflow */
- id3_byte_t dsdid3[4096];
- if (count == 0 || count > sizeof(dsdid3))
+ if (count < 10 || count > 256*1024)
return;
- if (!decoder_read_full(nullptr, is, dsdid3, count))
+ id3_byte_t *const id3_buf = static_cast<id3_byte_t*>(xalloc(count));
+
+ if (!decoder_read_full(nullptr, is, id3_buf, count)) {
+ free(id3_buf);
return;
+ }
- struct id3_tag *id3_tag = id3_tag_parse(dsdid3, count);
- if (id3_tag == nullptr)
+ struct id3_tag *id3_tag = id3_tag_parse(id3_buf, count);
+ if (id3_tag == nullptr) {
+ free(id3_buf);
return;
+ }
scan_id3_tag(id3_tag, handler, handler_ctx);
id3_tag_delete(id3_tag);
+ free(id3_buf);
return;
}
#endif
diff --git a/src/input/plugins/MmsInputPlugin.cxx b/src/input/plugins/MmsInputPlugin.cxx
index 1aed9c662..df291bc84 100644
--- a/src/input/plugins/MmsInputPlugin.cxx
+++ b/src/input/plugins/MmsInputPlugin.cxx
@@ -92,6 +92,13 @@ input_mms_open(const char *url,
size_t
MmsInputStream::ThreadRead(void *ptr, size_t read_size, Error &error)
{
+ /* unfortunately, mmsx_read() blocks until the whole buffer
+ has been filled; to avoid big latencies, limit the size of
+ each chunk we read to a reasonable size */
+ constexpr size_t MAX_CHUNK = 16384;
+ if (read_size > MAX_CHUNK)
+ read_size = MAX_CHUNK;
+
int nbytes = mmsx_read(nullptr, mms, (char *)ptr, read_size);
if (nbytes <= 0) {
if (nbytes < 0)