Remove unused ac3_parametric_bit_allocation function.

[ffmpeg] / libavcodec / dnxhddec.c

diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
index 83b25a5fdd5187a353d3d2212b1b4befeb1ac5a4..67dd7fc60dc3dc9f55bafea3ba3b03ba37f42626 100644 (file)
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -22,6 +22,7 @@
 //#define TRACE
 //#define DEBUG
 
+#include "libavcore/imgutils.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dnxhddata.h"
@@ -55,6 +56,7 @@ static av_cold int dnxhd_decode_init(AVCodecContext *avctx)
     dsputil_init(&ctx->dsp, avctx);
     avctx->coded_frame = &ctx->picture;
     ctx->picture.type = FF_I_TYPE;
+    ctx->picture.key_frame = 1;
     return 0;
 }
 
@@ -126,12 +128,17 @@ static int dnxhd_decode_header(DNXHDContext *ctx, const uint8_t *buf, int buf_si
     ctx->mb_width = ctx->width>>4;
     ctx->mb_height = buf[0x16d];
 
-    if (ctx->mb_height > 68) {
-        av_log(ctx->avctx, AV_LOG_ERROR, "mb height too big\n");
+    dprintf(ctx->avctx, "mb width %d, mb height %d\n", ctx->mb_width, ctx->mb_height);
+
+    if ((ctx->height+15)>>4 == ctx->mb_height && ctx->picture.interlaced_frame)
+        ctx->height <<= 1;
+
+    if (ctx->mb_height > 68 ||
+        (ctx->mb_height<<ctx->picture.interlaced_frame) > (ctx->height+15)>>4) {
+        av_log(ctx->avctx, AV_LOG_ERROR, "mb height too big: %d\n", ctx->mb_height);
         return -1;
     }
 
-    dprintf(ctx->avctx, "mb width %d, mb height %d\n", ctx->mb_width, ctx->mb_height);
     for (i = 0; i < ctx->mb_height; i++) {
         ctx->mb_scan_index[i] = AV_RB32(buf + 0x170 + (i<<2));
         dprintf(ctx->avctx, "mb scan index %d\n", ctx->mb_scan_index[i]);
@@ -292,8 +299,15 @@ static int dnxhd_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     if (dnxhd_decode_header(ctx, buf, buf_size, first_field) < 0)
         return -1;
 
+    if ((avctx->width || avctx->height) &&
+        (ctx->width != avctx->width || ctx->height != avctx->height)) {
+        av_log(avctx, AV_LOG_WARNING, "frame size changed: %dx%d -> %dx%d\n",
+               avctx->width, avctx->height, ctx->width, ctx->height);
+        first_field = 1;
+    }
+
     avctx->pix_fmt = PIX_FMT_YUV422P;
-    if (avcodec_check_dimensions(avctx, ctx->width, ctx->height))
+    if (av_image_check_size(ctx->width, ctx->height, 0, avctx))
         return -1;
     avcodec_set_dimensions(avctx, ctx->width, ctx->height);
 
@@ -334,7 +348,7 @@ static av_cold int dnxhd_decode_close(AVCodecContext *avctx)
 
 AVCodec dnxhd_decoder = {
     "dnxhd",
-    CODEC_TYPE_VIDEO,
+    AVMEDIA_TYPE_VIDEO,
     CODEC_ID_DNXHD,
     sizeof(DNXHDContext),
     dnxhd_decode_init,