avcodec: add av1 VAAPI decoder

Example cmdline:
ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -v verbose \
-c:v av1 -i input.ivf -pix_fmt yuv420p -vsync passthrough -f md5     \
-y out.md5

Signed-off-by: Fei Wang <fei.w.wang@intel.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index 9566f7aa7d..56712279aa 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -215,7 +215,7 @@ static int get_pixel_format(AVCodecContext *avctx)
     uint8_t bit_depth;
     int ret;
     enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
-#define HWACCEL_MAX (0)
+#define HWACCEL_MAX (CONFIG_AV1_VAAPI_HWACCEL)
     enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
 
     if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
@@ -276,6 +276,19 @@ static int get_pixel_format(AVCodecContext *avctx)
         return -1;
     s->pix_fmt = pix_fmt;
 
+    switch (s->pix_fmt) {
+    case AV_PIX_FMT_YUV420P:
+#if CONFIG_AV1_VAAPI_HWACCEL
+        *fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+        break;
+    case AV_PIX_FMT_YUV420P10:
+#if CONFIG_AV1_VAAPI_HWACCEL
+        *fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+        break;
+    }
+
     *fmtp++ = s->pix_fmt;
     *fmtp = AV_PIX_FMT_NONE;
 
@@ -840,6 +853,9 @@ AVCodec ff_av1_decoder = {
     .flush                 = av1_decode_flush,
     .profiles              = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
     .hw_configs            = (const AVCodecHWConfigInternal * []) {
+#if CONFIG_AV1_VAAPI_HWACCEL
+        HWACCEL_VAAPI(av1),
+#endif
         NULL
     },
 };