pngdec: fix and simplify apng reference handling

[ffmpeg] / libavcodec / ttaenc.c

diff --git a/libavcodec/ttaenc.c b/libavcodec/ttaenc.c
index 3cc54d78c5ab13aa895fb523b8a736a3285edbeb..ac8a4328737cbfcf7a3aeb7d8adc4aaf6fe1efe3 100644 (file)
--- a/libavcodec/ttaenc.c
+++ b/libavcodec/ttaenc.c
@@ -164,7 +164,7 @@ pkt_alloc:
                     put_bits(&pb, 31, 0x7FFFFFFF);
                     unary -= 31;
                 } else {
-                    put_bits(&pb, unary, (1 << unary) - 1);
+                    put_bits(&pb, unary, (1U << unary) - 1);
                     unary = 0;
                 }
             } while (unary);
@@ -209,7 +209,7 @@ AVCodec ff_tta_encoder = {
     .init           = tta_encode_init,
     .close          = tta_encode_close,
     .encode2        = tta_encode_frame,
-    .capabilities   = AV_CODEC_CAP_SMALL_LAST_FRAME | AV_CODEC_CAP_LOSSLESS,
+    .capabilities   = AV_CODEC_CAP_SMALL_LAST_FRAME,
     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_U8,
                                                      AV_SAMPLE_FMT_S16,
                                                      AV_SAMPLE_FMT_S32,