@@ -2192,6 +2192,10 @@ static int transcode(AVFormatContext **output_files,

                 ost->resample_channels    = icodec->channels;

                 break;

             case AVMEDIA_TYPE_VIDEO:

+                if (codec->pix_fmt == PIX_FMT_NONE)

+                    codec->pix_fmt = icodec->pix_fmt;

+                choose_pixel_fmt(ost->st, ost->enc);

+

                 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {

                     fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");

                     ffmpeg_exit(1);

@@ -3295,7 +3299,6 @@ static int opt_input_file(const char *opt, const char *filename)

             set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);

             frame_height = dec->height;

             frame_width  = dec->width;

-            frame_pix_fmt = dec->pix_fmt;

             rfps      = ic->streams[i]->r_frame_rate.num;

             rfps_base = ic->streams[i]->r_frame_rate.den;

             if (dec->lowres) {

@@ -3348,6 +3351,7 @@ static int opt_input_file(const char *opt, const char *filename)

     video_channel = 0;

     frame_rate    = (AVRational){0, 0};

+    frame_pix_fmt = PIX_FMT_NONE;

     audio_sample_rate = 0;

     audio_channels    = 0;

@@ -3471,8 +3475,6 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)

         video_enc->pix_fmt = frame_pix_fmt;

         st->sample_aspect_ratio = video_enc->sample_aspect_ratio;

-        choose_pixel_fmt(st, codec);

-

         if (intra_only)

             video_enc->gop_size = 0;

         if (video_qscale || same_quality) {