[FFmpeg-devel] [PATCH] avisynth: fix audio on big endian

[Stephen Hutchinson]

---
Open for bikeshedding, as I'm not too sure of
the names, but I didn't want to use anything
too close to regular AV_CODEC_ID* defines.
 libavformat/avisynth.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
index f029a0e842..fbebb6707c 100644
--- a/libavformat/avisynth.c
+++ b/libavformat/avisynth.c
@@ -42,6 +42,19 @@
   #define AVISYNTH_LIB AVISYNTH_NAME SLIBSUF
 #endif
 
+/* Endianness guards for audio */
+#if HAVE_BIGENDIAN
+    #define AVISYNTH_PCM_OUT_S16 AV_CODEC_ID_PCM_S16BE
+    #define AVISYNTH_PCM_OUT_S24 AV_CODEC_ID_PCM_S24BE
+    #define AVISYNTH_PCM_OUT_S32 AV_CODEC_ID_PCM_S32BE
+    #define AVISYNTH_PCM_OUT_F32 AV_CODEC_ID_PCM_F32BE
+#else
+    #define AVISYNTH_PCM_OUT_S16 AV_CODEC_ID_PCM_S16LE
+    #define AVISYNTH_PCM_OUT_S24 AV_CODEC_ID_PCM_S24LE
+    #define AVISYNTH_PCM_OUT_S32 AV_CODEC_ID_PCM_S32LE
+    #define AVISYNTH_PCM_OUT_F32 AV_CODEC_ID_PCM_F32LE
+#endif
+
 #include <avisynth/avisynth_c.h>
 
 typedef struct AviSynthLibrary {
@@ -496,16 +509,16 @@ static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st)
         st->codecpar->codec_id = AV_CODEC_ID_PCM_U8;
         break;
     case AVS_SAMPLE_INT16:
-        st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE;
+        st->codecpar->codec_id = AVISYNTH_PCM_OUT_S16;
         break;
     case AVS_SAMPLE_INT24:
-        st->codecpar->codec_id = AV_CODEC_ID_PCM_S24LE;
+        st->codecpar->codec_id = AVISYNTH_PCM_OUT_S24;
         break;
     case AVS_SAMPLE_INT32:
-        st->codecpar->codec_id = AV_CODEC_ID_PCM_S32LE;
+        st->codecpar->codec_id = AVISYNTH_PCM_OUT_S32;
         break;
     case AVS_SAMPLE_FLOAT:
-        st->codecpar->codec_id = AV_CODEC_ID_PCM_F32LE;
+        st->codecpar->codec_id = AVISYNTH_PCM_OUT_F32;
         break;
     default:
         av_log(s, AV_LOG_ERROR,
-- 
2.27.0