libx264: feed x264_param_apply_profile from AVCodecContext.profile in absence of other information

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/libx264.c

@@ -457,6 +457,30 @@ static av_cold int X264_init(AVCodecContext *avctx)
     if (x4->fastfirstpass)
         x264_param_apply_fastfirstpass(&x4->params);
 
+    /* Allow specifying the x264 profile through AVCodecContext. */
+    if (!x4->profile)
+        switch (avctx->profile) {
+        case FF_PROFILE_H264_BASELINE:
+            x4->profile = av_strdup("baseline");
+            break;
+        case FF_PROFILE_H264_HIGH:
+            x4->profile = av_strdup("high");
+            break;
+        case FF_PROFILE_H264_HIGH_10:
+            x4->profile = av_strdup("high10");
+            break;
+        case FF_PROFILE_H264_HIGH_422:
+            x4->profile = av_strdup("high422");
+            break;
+        case FF_PROFILE_H264_HIGH_444:
+            x4->profile = av_strdup("high444");
+            break;
+        case FF_PROFILE_H264_MAIN:
+            x4->profile = av_strdup("main");
+            break;
+        default:
+            break;
+        }
     if (x4->profile)
         if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
             int i;