Add compatibility for libav-9 not to require still hardmasked libav-10.
aballier@gentoo.org


Index: work/gst-libav-1.4.5/ext/libav/gstavauddec.c
===================================================================
--- work.orig/gst-libav-1.4.5/ext/libav/gstavauddec.c
+++ work/gst-libav-1.4.5/ext/libav/gstavauddec.c
@@ -582,9 +582,11 @@ gst_ffmpegauddec_audio_frame (GstFFMpegA
           ffmpegdec->info.position);
     }
 
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(52,17,0)
     /* Mark corrupted frames as corrupted */
     if (frame.flags & AV_FRAME_FLAG_CORRUPT)
       GST_BUFFER_FLAG_SET (*outbuf, GST_BUFFER_FLAG_CORRUPTED);
+#endif
   } else {
     *outbuf = NULL;
   }
Index: work/gst-libav-1.4.5/ext/libav/gstavcodecmap.c
===================================================================
--- work.orig/gst-libav-1.4.5/ext/libav/gstavcodecmap.c
+++ work/gst-libav-1.4.5/ext/libav/gstavcodecmap.c
@@ -1206,6 +1206,7 @@ gst_ffmpeg_codecid_to_caps (enum AVCodec
       }
       break;
 
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55,41,0)
     case AV_CODEC_ID_HEVC:
       caps =
           gst_ff_vid_caps_new (context, NULL, codec_id, encode, "video/x-h265",
@@ -1226,6 +1227,7 @@ gst_ffmpeg_codecid_to_caps (enum AVCodec
         g_value_unset (&arr);
       }
       break;
+#endif
 
     case AV_CODEC_ID_INDEO5:
       caps =
@@ -1706,11 +1708,13 @@ gst_ffmpeg_codecid_to_caps (enum AVCodec
       }
       break;
 
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55,5,0)
     case AV_CODEC_ID_AIC:
       caps =
           gst_ff_vid_caps_new (context, NULL, codec_id, encode,
           "video/x-apple-intermediate-codec", NULL);
       break;
+#endif
 
     case AV_CODEC_ID_WS_VQA:
     case AV_CODEC_ID_IDCIN:
@@ -3760,9 +3764,11 @@ gst_ffmpeg_caps_to_codecid (const GstCap
       id = AV_CODEC_ID_FFV1;
       video = TRUE;
     }
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55,5,0)
   } else if (!strcmp (mimetype, "video/x-apple-intermediate-codec")) {
     id = AV_CODEC_ID_AIC;
     video = TRUE;
+#endif
   } else if (!strcmp (mimetype, "audio/x-adpcm")) {
     const gchar *layout;
 
@@ -3924,9 +3930,11 @@ gst_ffmpeg_caps_to_codecid (const GstCap
   } else if (!strcmp (mimetype, "video/x-h264")) {
     id = AV_CODEC_ID_H264;
     video = TRUE;
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55,41,0)
   } else if (!strcmp (mimetype, "video/x-h265")) {
     id = AV_CODEC_ID_HEVC;
     video = TRUE;
+#endif
   } else if (!strcmp (mimetype, "video/x-flash-video")) {
     gint flvversion = 0;
 
Index: work/gst-libav-1.4.5/ext/libav/gstavviddec.c
===================================================================
--- work.orig/gst-libav-1.4.5/ext/libav/gstavviddec.c
+++ work/gst-libav-1.4.5/ext/libav/gstavviddec.c
@@ -368,8 +368,10 @@ gst_ffmpegviddec_open (GstFFMpegVidDec *
       break;
   }
 
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(52,17,0)
   gst_ffmpegviddec_context_set_flags (ffmpegdec->context,
       CODEC_FLAG_OUTPUT_CORRUPT, ffmpegdec->output_corrupt);
+#endif
 
   return TRUE;
 
@@ -733,17 +735,21 @@ invalid_frame:
 fallback:
   {
     int c;
+#if LIBAVUTIL_VERSION_MAJOR >= 53
     gboolean first = TRUE;
+#endif
     int ret = avcodec_default_get_buffer (context, picture);
 
     for (c = 0; c < AV_NUM_DATA_POINTERS; c++) {
       ffmpegdec->stride[c] = picture->linesize[c];
 
+#if LIBAVUTIL_VERSION_MAJOR >= 53
       if (picture->buf[c] == NULL && first) {
         picture->buf[c] =
             av_buffer_create (NULL, 0, dummy_free_buffer, dframe, 0);
         first = FALSE;
       }
+#endif
     }
 
     return ret;
@@ -1280,8 +1286,10 @@ gst_ffmpegviddec_video_frame (GstFFMpegV
       ffmpegdec->picture->repeat_pict);
   GST_DEBUG_OBJECT (ffmpegdec, "interlaced_frame:%d (current:%d)",
       ffmpegdec->picture->interlaced_frame, ffmpegdec->ctx_interlaced);
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(52,17,0)
   GST_DEBUG_OBJECT (ffmpegdec, "corrupted frame: %d",
       ! !(ffmpegdec->picture->flags & AV_FRAME_FLAG_CORRUPT));
+#endif
 
   if (G_UNLIKELY (ffmpegdec->picture->interlaced_frame !=
           ffmpegdec->ctx_interlaced)) {
@@ -1298,9 +1306,11 @@ gst_ffmpegviddec_video_frame (GstFFMpegV
   if (G_UNLIKELY (*ret != GST_FLOW_OK))
     goto no_output;
 
+#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(52,17,0)
   /* Mark corrupted frames as corrupted */
   if (ffmpegdec->picture->flags & AV_FRAME_FLAG_CORRUPT)
     GST_BUFFER_FLAG_SET (out_frame->output_buffer, GST_BUFFER_FLAG_CORRUPTED);
+#endif
 
   if (ffmpegdec->ctx_interlaced) {
     /* set interlaced flags */
@@ -1980,7 +1990,9 @@ gst_ffmpegviddec_register (GstPlugin * p
       case AV_CODEC_ID_MPEG4:
       case AV_CODEC_ID_MSMPEG4V3:
       case AV_CODEC_ID_H264:
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55,41,0)
       case AV_CODEC_ID_HEVC:
+#endif
       case AV_CODEC_ID_RV10:
       case AV_CODEC_ID_RV20:
       case AV_CODEC_ID_RV30:
Index: work/gst-libav-1.4.5/ext/libav/gstavaudenc.c
===================================================================
--- work.orig/gst-libav-1.4.5/ext/libav/gstavaudenc.c
+++ work/gst-libav-1.4.5/ext/libav/gstavaudenc.c
@@ -409,7 +409,11 @@ gst_ffmpegaudenc_set_format (GstAudioEnc
 static void
 gst_ffmpegaudenc_free_avpacket (gpointer pkt)
 {
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55,16,0)
   av_packet_unref ((AVPacket *) pkt);
+#else
+  av_destruct_packet ((AVPacket *) pkt);
+#endif
   g_slice_free (AVPacket, pkt);
 }
 
Index: work/gst-libav-1.4.5/ext/libav/gstavvidenc.c
===================================================================
--- work.orig/gst-libav-1.4.5/ext/libav/gstavvidenc.c
+++ work/gst-libav-1.4.5/ext/libav/gstavvidenc.c
@@ -576,7 +576,11 @@ gst_ffmpegvidenc_propose_allocation (Gst
 static void
 gst_ffmpegvidenc_free_avpacket (gpointer pkt)
 {
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55,16,0)
   av_packet_unref ((AVPacket *) pkt);
+#else
+  av_destruct_packet ((AVPacket *) pkt);
+#endif
   g_slice_free (AVPacket, pkt);
 }