ffmpeg: reformat resample condition code in transcode()

[ffmpeg] / ffmpeg.c

diff --git a/ffmpeg.c b/ffmpeg.c
index 612a41307716c019ca2024222f788d63439911e8..738fb7b922a38dd5231c46ab8547d1aee2d4e64b 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1078,7 +1078,7 @@ static void do_video_out(AVFormatContext *s,
                          AVFrame *in_picture,
                          int *frame_size)
 {
-    int nb_frames, i, ret;
+    int nb_frames, i, ret, resample_changed;
     AVFrame *final_picture, *formatted_picture, *resampling_dst;
     AVCodecContext *enc, *dec;
     double sync_ipts;
@@ -1126,11 +1126,16 @@ static void do_video_out(AVFormatContext *s,
     final_picture = formatted_picture;
     resampling_dst = &ost->pict_tmp;
 
-    if (   ost->resample_height != ist->st->codec->height
-        || ost->resample_width  != ist->st->codec->width
-        || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
+    resample_changed = ost->resample_width   != dec->width  ||
+                       ost->resample_height  != dec->height ||
+                       ost->resample_pix_fmt != dec->pix_fmt;
 
-        fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width,     ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
+    if (resample_changed) {
+        av_log(NULL, AV_LOG_INFO,
+               "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
+               ist->file_index, ist->index,
+               ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
+               dec->width         , dec->height         , avcodec_get_pix_fmt_name(dec->pix_fmt));
         if(!ost->video_resample)
             ffmpeg_exit(1);
     }
@@ -1138,10 +1143,7 @@ static void do_video_out(AVFormatContext *s,
 #if !CONFIG_AVFILTER
     if (ost->video_resample) {
         final_picture = &ost->pict_tmp;
-        if(  ost->resample_height != ist->st->codec->height
-          || ost->resample_width  != ist->st->codec->width
-          || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
-
+        if (resample_changed) {
             /* initialize a new scaler context */
             sws_freeContext(ost->img_resample_ctx);
             ost->img_resample_ctx = sws_getContext(
@@ -2169,9 +2171,9 @@ static int transcode(AVFormatContext **output_files,
                     fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
                     ffmpeg_exit(1);
                 }
-                ost->video_resample = (codec->width != icodec->width   ||
-                                       codec->height != icodec->height ||
-                        (codec->pix_fmt != icodec->pix_fmt));
+                ost->video_resample = codec->width   != icodec->width  ||
+                                      codec->height  != icodec->height ||
+                                      codec->pix_fmt != icodec->pix_fmt;
                 if (ost->video_resample) {
 #if !CONFIG_AVFILTER
                     avcodec_get_frame_defaults(&ost->pict_tmp);