h264: Allow stream and container cropping at the same time

The container cropping is applied only when difference is within 16
pixels, and the smallest value between the two is chosen.

Bug-Id: 383
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 16043dcb0ea18b33d8573db1c2f2de6b41e3c518..d287662286d4cb538bcfbdad6b1e225ca24fd246 100644 (file)
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -896,13 +896,10 @@ static int init_dimensions(H264Context *h)
 {
     int width  = h->width  - (h->sps.crop_right + h->sps.crop_left);
     int height = h->height - (h->sps.crop_top   + h->sps.crop_bottom);
-    int crop_present = h->sps.crop_left  || h->sps.crop_top ||
-                       h->sps.crop_right || h->sps.crop_bottom;
 
     /* handle container cropping */
-    if (!crop_present &&
-        FFALIGN(h->avctx->width,  16) == h->width &&
-        FFALIGN(h->avctx->height, 16) == h->height) {
+    if (FFALIGN(h->avctx->width,  16) == FFALIGN(width,  16) &&
+        FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16)) {
         width  = h->avctx->width;
         height = h->avctx->height;
     }