avcodec/av1dec: bit_depth cannot be another values than 8,10,12

Fixes: CID1544265 Logically dead code

Sponsored-by: Sovereign Tech Fund
Reviewed-by: James Almer <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>

Author: michaelni

libavcodec/av1dec.c

@@ -493,7 +493,7 @@ static enum AVPixelFormat get_sw_pixel_format(void *logctx,
             else if (bit_depth == 12)
                 pix_fmt = AV_PIX_FMT_YUV444P12;
             else
-                av_log(logctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
+                av_assert0(0);
         } else if (seq->color_config.subsampling_x == 1 &&
                    seq->color_config.subsampling_y == 0) {
             if (bit_depth == 8)
@@ -503,7 +503,7 @@ static enum AVPixelFormat get_sw_pixel_format(void *logctx,
             else if (bit_depth == 12)
                 pix_fmt = AV_PIX_FMT_YUV422P12;
             else
-                av_log(logctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
+                av_assert0(0);
         } else if (seq->color_config.subsampling_x == 1 &&
                    seq->color_config.subsampling_y == 1) {
             if (bit_depth == 8)
@@ -513,7 +513,7 @@ static enum AVPixelFormat get_sw_pixel_format(void *logctx,
             else if (bit_depth == 12)
                 pix_fmt = AV_PIX_FMT_YUV420P12;
             else
-                av_log(logctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
+                av_assert0(0);
         }
     } else {
         if (bit_depth == 8)
@@ -523,7 +523,7 @@ static enum AVPixelFormat get_sw_pixel_format(void *logctx,
         else if (bit_depth == 12)
             pix_fmt = AV_PIX_FMT_GRAY12;
         else
-            av_log(logctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
+            av_assert0(0);
     }
 
     return pix_fmt;