X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Futvideodec.c;h=3891df3570158f23e99c3b4eecf3468b3f4185dc;hb=9a88a47be4da9cd25a582feec7cc36790500b481;hp=c5f553496430da71e6ade3e968208aa9203baa35;hpb=d0f098a5e0bae84d98eb48ea5ba173422e004fe3;p=ffmpeg

diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c
index c5f55349643..3891df35701 100644
--- a/libavcodec/utvideodec.c
+++ b/libavcodec/utvideodec.c
@@ -27,9 +27,11 @@
 #include <inttypes.h>
 #include <stdlib.h>
 
+#define CACHED_BITSTREAM_READER !ARCH_X86_32
 #define UNCHECKED_BITSTREAM_READER 1
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/pixdesc.h"
 #include "avcodec.h"
 #include "bswapdsp.h"
 #include "bytestream.h"
@@ -912,6 +914,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
 static av_cold int decode_init(AVCodecContext *avctx)
 {
     UtvideoContext * const c = avctx->priv_data;
+    int h_shift, v_shift;
 
     c->avctx = avctx;
 
@@ -947,14 +950,17 @@ static av_cold int decode_init(AVCodecContext *avctx)
         break;
     case MKTAG('U', 'Q', 'Y', '2'):
         c->planes      = 3;
+        c->pro         = 1;
         avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
         break;
     case MKTAG('U', 'Q', 'R', 'G'):
         c->planes      = 3;
+        c->pro         = 1;
         avctx->pix_fmt = AV_PIX_FMT_GBRP10;
         break;
     case MKTAG('U', 'Q', 'R', 'A'):
         c->planes      = 4;
+        c->pro         = 1;
         avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
         break;
     case MKTAG('U', 'L', 'H', '0'):
@@ -1012,6 +1018,13 @@ static av_cold int decode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
+    av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &h_shift, &v_shift);
+    if ((avctx->width  & ((1<<h_shift)-1)) ||
+        (avctx->height & ((1<<v_shift)-1))) {
+        avpriv_request_sample(avctx, "Odd dimensions");
+        return AVERROR_PATCHWELCOME;
+    }
+
     if (c->pack && avctx->extradata_size >= 16) {
         av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n",
                avctx->extradata[3], avctx->extradata[2],
@@ -1022,7 +1035,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         if (c->compression != 2)
             avpriv_request_sample(avctx, "Unknown compression type");
         c->slices      = avctx->extradata[9] + 1;
-    } else if (avctx->extradata_size >= 16) {
+    } else if (!c->pro && avctx->extradata_size >= 16) {
         av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n",
                avctx->extradata[3], avctx->extradata[2],
                avctx->extradata[1], avctx->extradata[0]);
@@ -1037,14 +1050,13 @@ static av_cold int decode_init(AVCodecContext *avctx)
         c->slices      = (c->flags >> 24) + 1;
         c->compression = c->flags & 1;
         c->interlaced  = c->flags & 0x800;
-    } else if (avctx->extradata_size == 8) {
+    } else if (c->pro && avctx->extradata_size == 8) {
         av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n",
                avctx->extradata[3], avctx->extradata[2],
                avctx->extradata[1], avctx->extradata[0]);
         av_log(avctx, AV_LOG_DEBUG, "Original format %"PRIX32"\n",
                AV_RB32(avctx->extradata + 4));
         c->interlaced  = 0;
-        c->pro         = 1;
         c->frame_info_size = 4;
     } else {
         av_log(avctx, AV_LOG_ERROR,