qsvdec: make ff_qsv_map_pixfmt() return a MFX fourcc as well

Stop hardcoding NV12.

Also, move this function to the shared code, it will be used by the
encoder as well.

1 files changed, 12 insertions, 0 deletions

diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index 8596f0d94e..5be6405d47 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -89,6 +89,18 @@ int ff_qsv_error(int mfx_err)
     }
 }
 
+int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
+{
+    switch (format) {
+    case AV_PIX_FMT_YUV420P:
+    case AV_PIX_FMT_YUVJ420P:
+        *fourcc = MFX_FOURCC_NV12;
+        return AV_PIX_FMT_NV12;
+    default:
+        return AVERROR(ENOSYS);
+    }
+}
+
 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
                             void *logctx)
 {