mpeg4dec: use unsigned type for startcode in ff_mpeg4_decode_picture_header

[ffmpeg] / libavcodec / dnxhdenc.c

diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 3fb10d43803290d96c58f84de776536471c35794..adf30ba7b2c2c38f4334ef955a117ad465b16b5b 100644 (file)
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -79,13 +79,14 @@ static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, DCTELEM *block,
     const uint8_t *scantable= ctx->intra_scantable.scantable;
     const int *qmat = ctx->q_intra_matrix[qscale];
     int last_non_zero = 0;
+    int i;
 
     ctx->dsp.fdct(block);
 
     // Divide by 4 with rounding, to compensate scaling of DCT coefficients
     block[0] = (block[0] + 2) >> 2;
 
-    for (int i = 1; i < 64; ++i) {
+    for (i = 1; i < 64; ++i) {
         int j = scantable[i];
         int sign = block[j] >> 31;
         int level = (block[j] ^ sign) - sign;
@@ -634,9 +635,10 @@ static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg, int jobnr, int
             int sum = 0;
             int sqsum = 0;
             int mean, sqmean;
+            int i, j;
             // Macroblocks are 16x16 pixels, unlike DCT blocks which are 8x8.
-            for (int i = 0; i < 16; ++i) {
-                for (int j = 0; j < 16; ++j) {
+            for (i = 0; i < 16; ++i) {
+                for (j = 0; j < 16; ++j) {
                     // Turn 16-bit pixels into 10-bit ones.
                     int const sample = (unsigned)pix[j] >> 6;
                     sum += sample;
@@ -991,13 +993,13 @@ static int dnxhd_encode_end(AVCodecContext *avctx)
 }
 
 AVCodec ff_dnxhd_encoder = {
-    "dnxhd",
-    AVMEDIA_TYPE_VIDEO,
-    CODEC_ID_DNXHD,
-    sizeof(DNXHDEncContext),
-    dnxhd_encode_init,
-    dnxhd_encode_picture,
-    dnxhd_encode_end,
+    .name           = "dnxhd",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = CODEC_ID_DNXHD,
+    .priv_data_size = sizeof(DNXHDEncContext),
+    .init           = dnxhd_encode_init,
+    .encode         = dnxhd_encode_picture,
+    .close          = dnxhd_encode_end,
     .capabilities = CODEC_CAP_SLICE_THREADS,
     .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_YUV422P10, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),