lib/ffmpeg/IOContext: keep using avio_read() with old libavformat versions

avio_read_partial() was added in libavformat 57.81.100, and we keep compatibility with version 57.40 for now. Fixes regression from commit bfb7b011 Closes https://github.com/MusicPlayerDaemon/MPD/issues/511

lib/ffmpeg/IOContext: keep using avio_read() with old libavformat versions
1d436b3c · Max Kellermann · f86b14bf · 1d436b3c
Commit 1d436b3c authored Mar 20, 2019 by Max Kellermann
Hide whitespace changes
Inline Side-by-side

Showing with 5 additions and 0 deletions

IOContext.hxx src/lib/ffmpeg/IOContext.hxx +5 -0

No files found.
--- a/src/lib/ffmpeg/IOContext.hxx
+++ b/src/lib/ffmpeg/IOContext.hxx
@@ -76,8 +76,13 @@ public:
 	}

 	size_t Read(void *buffer, size_t size) {
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 81, 100)
 		int result = avio_read_partial(io_context,
 					       (unsigned char *)buffer, size);
+#else
+		int result = avio_read(io_context,
+				       (unsigned char *)buffer, size);
+#endif
 		if (result < 0)
 			throw MakeFfmpegError(result, "avio_read() failed");