X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fvp8.c;h=7f71a75e4ba068a651941d0fb00333ca0155a427;hb=2ca65fc7b74444edd51d5803a2c1e05a801a6023;hp=471c0bb89e244dbe80f2926bfae5ce0ceac8a267;hpb=f750a0bcfea9e54ee3adbd8616ab861d1471f9b8;p=ffmpeg

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 471c0bb89e2..7f71a75e4ba 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -167,6 +167,22 @@ static VP8Frame *vp8_find_free_buffer(VP8Context *s)
     return frame;
 }
 
+static enum AVPixelFormat get_pixel_format(VP8Context *s)
+{
+    enum AVPixelFormat pix_fmts[] = {
+#if CONFIG_VP8_VAAPI_HWACCEL
+        AV_PIX_FMT_VAAPI,
+#endif
+#if CONFIG_VP8_NVDEC_HWACCEL
+        AV_PIX_FMT_CUDA,
+#endif
+        AV_PIX_FMT_YUV420P,
+        AV_PIX_FMT_NONE,
+    };
+
+    return ff_get_format(s->avctx, pix_fmts);
+}
+
 static av_always_inline
 int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
 {
@@ -182,6 +198,13 @@ int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
             return ret;
     }
 
+    if (!s->actually_webp && !is_vp7) {
+        s->pix_fmt = get_pixel_format(s);
+        if (s->pix_fmt < 0)
+            return AVERROR(EINVAL);
+        avctx->pix_fmt = s->pix_fmt;
+    }
+
     s->mb_width  = (s->avctx->coded_width  + 15) / 16;
     s->mb_height = (s->avctx->coded_height + 15) / 16;
 
@@ -2598,18 +2621,7 @@ int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     if (s->actually_webp) {
         // avctx->pix_fmt already set in caller.
     } else if (!is_vp7 && s->pix_fmt == AV_PIX_FMT_NONE) {
-        enum AVPixelFormat pix_fmts[] = {
-#if CONFIG_VP8_VAAPI_HWACCEL
-            AV_PIX_FMT_VAAPI,
-#endif
-#if CONFIG_VP8_NVDEC_HWACCEL
-            AV_PIX_FMT_CUDA,
-#endif
-            AV_PIX_FMT_YUV420P,
-            AV_PIX_FMT_NONE,
-        };
-
-        s->pix_fmt = ff_get_format(s->avctx, pix_fmts);
+        s->pix_fmt = get_pixel_format(s);
         if (s->pix_fmt < 0) {
             ret = AVERROR(EINVAL);
             goto err;