decode: be more explicit about storing the last packet properties

[ffmpeg] / libavcodec / rv10enc.c

diff --git a/libavcodec/rv10enc.c b/libavcodec/rv10enc.c
index 47fb2225e4aa34755a737b15b92ba0bac67b8281..765c57d16a7699865e1dc81d6a3660a515fb1e79 100644 (file)
--- a/libavcodec/rv10enc.c
+++ b/libavcodec/rv10enc.c
@@ -27,8 +27,9 @@
 
 #include "mpegvideo.h"
 #include "put_bits.h"
+#include "rv10.h"
 
-void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
+int ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
 {
     int full_frame= 0;
 
@@ -38,7 +39,7 @@ void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
 
     put_bits(&s->pb, 1, (s->pict_type == AV_PICTURE_TYPE_P));
 
-    put_bits(&s->pb, 1, 0);     /* not PB frame */
+    put_bits(&s->pb, 1, 0);     /* not PB-mframe */
 
     put_bits(&s->pb, 5, s->qscale);
 
@@ -48,22 +49,36 @@ void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
     /* if multiple packets per frame are sent, the position at which
        to display the macroblocks is coded here */
     if(!full_frame){
+        if (s->mb_width * s->mb_height >= (1U << 12)) {
+            avpriv_report_missing_feature(s->avctx, "Encoding frames with %d (>= 4096) macroblocks",
+                                          s->mb_width * s->mb_height);
+            return AVERROR(ENOSYS);
+        }
         put_bits(&s->pb, 6, 0); /* mb_x */
         put_bits(&s->pb, 6, 0); /* mb_y */
         put_bits(&s->pb, 12, s->mb_width * s->mb_height);
     }
 
     put_bits(&s->pb, 3, 0);     /* ignored */
+    return 0;
 }
 
+static const AVClass rv10_class = {
+    .class_name = "rv10 encoder",
+    .item_name  = av_default_item_name,
+    .option     = ff_mpv_generic_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_rv10_encoder = {
     .name           = "rv10",
+    .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
     .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = CODEC_ID_RV10,
+    .id             = AV_CODEC_ID_RV10,
     .priv_data_size = sizeof(MpegEncContext),
-    .init           = ff_MPV_encode_init,
-    .encode2        = ff_MPV_encode_picture,
-    .close          = ff_MPV_encode_end,
-    .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
-    .long_name= NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
+    .init           = ff_mpv_encode_init,
+    .encode2        = ff_mpv_encode_picture,
+    .close          = ff_mpv_encode_end,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
+    .priv_class     = &rv10_class,
 };