fix build on libavtools < 12

src/zm_ffmpeg.h

@@ -40,6 +40,7 @@ extern "C" {
 #include <libavutil/mathematics.h>
 #include <libavutil/avstring.h>
 #include "libavutil/audio_fifo.h"
+#include "libavutil/pixfmt.h"
 
 /* LIBAVUTIL_VERSION_CHECK checks for the right version of libav and FFmpeg
  * The original source is vlc (in modules/codec/avcodec/avcommon_compat.h)
@@ -321,6 +322,7 @@ void zm_dump_codecpar(const AVCodecParameters *par);
       frame->pts \
       );
 
+#if LIBAVUTIL_VERSION_CHECK(54, 4, 0, 74, 100)
 #define zm_dump_video_frame(frame,text) Debug(1, "%s: format %d %s %dx%d linesize:%dx%d pts: %" PRId64, \
       text, \
       frame->format, \
@@ -331,6 +333,18 @@ void zm_dump_codecpar(const AVCodecParameters *par);
       frame->pts \
       );
 
+#else
+#define zm_dump_video_frame(frame,text) Debug(1, "%s: format %d %s %dx%d linesize:%dx%d pts: %" PRId64, \
+      text, \
+      frame->format, \
+      "unsupported", \
+      frame->width, \
+      frame->height, \
+      frame->linesize[0], frame->linesize[1], \
+      frame->pts \
+      );
+#endif
+
 #if LIBAVCODEC_VERSION_CHECK(56, 8, 0, 60, 100)
     #define zm_av_packet_unref( packet ) av_packet_unref( packet )
     #define zm_av_packet_ref( dst, src ) av_packet_ref( dst, src )