avdevice/v4l2enc: Allow writing non-rawvideos to v4l2.

Signed-off-by: David Manouchehri <david.manouchehri@riseup.net>

libavdevice/v4l2enc.c

@@ -47,8 +47,7 @@ static av_cold int write_header(AVFormatContext *s1)
     }
 
     if (s1->nb_streams != 1 ||
-        s1->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
-        s1->streams[0]->codecpar->codec_id   != AV_CODEC_ID_RAWVIDEO) {
+        s1->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_VIDEO) {
         av_log(s1, AV_LOG_ERROR,
                "V4L2 output device supports only a single raw video stream\n");
         return AVERROR(EINVAL);
@@ -56,7 +55,12 @@ static av_cold int write_header(AVFormatContext *s1)
 
     par = s1->streams[0]->codecpar;
 
-    v4l2_pixfmt = ff_fmt_ff2v4l(par->format, AV_CODEC_ID_RAWVIDEO);
+    if(par->codec_id == AV_CODEC_ID_RAWVIDEO) {
+        v4l2_pixfmt = ff_fmt_ff2v4l(par->format, AV_CODEC_ID_RAWVIDEO);
+    } else {
+        v4l2_pixfmt = ff_fmt_ff2v4l(AV_PIX_FMT_NONE, par->codec_id);
+    }
+
     if (!v4l2_pixfmt) { // XXX: try to force them one by one?
         av_log(s1, AV_LOG_ERROR, "Unknown V4L2 pixel format equivalent for %s\n",
                av_get_pix_fmt_name(par->format));