avcodec/simple_idct_template: fix integer overflow

[ffmpeg] / libavcodec / h263dec.c

diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 2cf01e3d985aae374bcb0bf5c93fe05a70e3a561..8ee844e298e928d45abc21c87de96c97c8aeec29 100644 (file)
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -500,9 +500,9 @@ retry:
             GetBitContext gb;
 
             if (init_get_bits8(&gb, s->avctx->extradata, s->avctx->extradata_size) >= 0 )
-                ff_mpeg4_decode_picture_header(avctx->priv_data, &gb);
+                ff_mpeg4_decode_picture_header(avctx->priv_data, &gb, 1);
         }
-        ret = ff_mpeg4_decode_picture_header(avctx->priv_data, &s->gb);
+        ret = ff_mpeg4_decode_picture_header(avctx->priv_data, &s->gb, 0);
     } else if (CONFIG_H263I_DECODER && s->codec_id == AV_CODEC_ID_H263I) {
         ret = ff_intel_h263_decode_picture_header(s);
     } else if (CONFIG_FLV_DECODER && s->h263_flv) {
@@ -614,7 +614,7 @@ retry:
     if ((ret = ff_mpv_frame_start(s, avctx)) < 0)
         return ret;
 
-    if (!s->divx_packed)
+    if (!s->divx_packed && !avctx->hwaccel)
         ff_thread_finish_setup(avctx);
 
     if (avctx->hwaccel) {
@@ -743,6 +743,22 @@ const enum AVPixelFormat ff_h263_hwaccel_pixfmt_list_420[] = {
     AV_PIX_FMT_NONE
 };
 
+const AVCodecHWConfigInternal *ff_h263_hw_config_list[] = {
+#if CONFIG_H263_VAAPI_HWACCEL
+    HWACCEL_VAAPI(h263),
+#endif
+#if CONFIG_MPEG4_NVDEC_HWACCEL
+    HWACCEL_NVDEC(mpeg4),
+#endif
+#if CONFIG_MPEG4_VDPAU_HWACCEL
+    HWACCEL_VDPAU(mpeg4),
+#endif
+#if CONFIG_H263_VIDEOTOOLBOX_HWACCEL
+    HWACCEL_VIDEOTOOLBOX(h263),
+#endif
+    NULL
+};
+
 AVCodec ff_h263_decoder = {
     .name           = "h263",
     .long_name      = NULL_IF_CONFIG_SMALL("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
@@ -758,6 +774,7 @@ AVCodec ff_h263_decoder = {
     .flush          = ff_mpeg_flush,
     .max_lowres     = 3,
     .pix_fmts       = ff_h263_hwaccel_pixfmt_list_420,
+    .hw_configs     = ff_h263_hw_config_list,
 };
 
 AVCodec ff_h263p_decoder = {
@@ -775,16 +792,5 @@ AVCodec ff_h263p_decoder = {
     .flush          = ff_mpeg_flush,
     .max_lowres     = 3,
     .pix_fmts       = ff_h263_hwaccel_pixfmt_list_420,
-    .hw_configs     = (const AVCodecHWConfigInternal*[]) {
-#if CONFIG_H263_VAAPI_HWACCEL
-                        HWACCEL_VAAPI(h263),
-#endif
-#if CONFIG_MPEG4_VDPAU_HWACCEL
-                        HWACCEL_VDPAU(mpeg4),
-#endif
-#if CONFIG_H263_VIDEOTOOLBOX_HWACCEL
-                        HWACCEL_VIDEOTOOLBOX(h263),
-#endif
-                        NULL
-                    },
+    .hw_configs     = ff_h263_hw_config_list,
 };