avcodec/jpeglsdec: Don't presume the context to contain a JLSState

[ffmpeg] / libavcodec / sgienc.c

diff --git a/libavcodec/sgienc.c b/libavcodec/sgienc.c
index 13756f16088b2a1b8c9753cc3dc64a041f78fe90..3aa0c7f4a59822ba35d53d93997f16a137eb7d36 100644 (file)
--- a/libavcodec/sgienc.c
+++ b/libavcodec/sgienc.c
@@ -39,9 +39,9 @@ typedef struct SgiContext {
 static av_cold int encode_init(AVCodecContext *avctx)
 {
     if (avctx->width > 65535 || avctx->height > 65535) {
-        av_log(avctx, AV_LOG_ERROR,
-               "Unsupported resolution %dx%d.\n", avctx->width, avctx->height);
-        av_log(avctx, AV_LOG_ERROR, "SGI does not support resolutions above 65535x65535\n");
+        av_log(avctx, AV_LOG_ERROR, "Unsupported resolution %dx%d. "
+               "SGI does not support resolutions above 65535x65535\n",
+               avctx->width, avctx->height);
         return AVERROR_INVALIDDATA;
     }
 
@@ -219,7 +219,15 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 bytestream2_put_be32(&taboff_pcb, bytestream2_tell_p(&pbc));
 
                 for (x = 0; x < width * bytes_per_channel; x += bytes_per_channel)
-                    encode_buf[x] = in_buf[depth * x];
+                    if (bytes_per_channel == 1) {
+                        encode_buf[x]     = in_buf[depth * x];
+                    } else if (HAVE_BIGENDIAN ^ put_be) {
+                        encode_buf[x + 1] = in_buf[depth * x];
+                        encode_buf[x]     = in_buf[depth * x + 1];
+                    } else {
+                        encode_buf[x]     = in_buf[depth * x];
+                        encode_buf[x + 1] = in_buf[depth * x + 1];
+                    }
 
                 length = sgi_rle_encode(&pbc, encode_buf, width,
                                         bytes_per_channel);
@@ -292,4 +300,5 @@ AVCodec ff_sgi_encoder = {
         AV_PIX_FMT_GRAY16LE, AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_GRAY8,
         AV_PIX_FMT_NONE
     },
+    .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
 };