X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Flibopenjpegdec.c;h=7f28e87d7f6ce8a5a5654bd44f6075ddbe2dc55e;hb=58995f647b5fa2e1efa33ae4f8b8a76a81ec99df;hp=ab681f1246afd13bf2189cde89fbf77700202141;hpb=61e1287551cd912b9744b7ffa813686afa1f97e2;p=ffmpeg

diff --git a/libavcodec/libopenjpegdec.c b/libavcodec/libopenjpegdec.c
index ab681f1246a..7f28e87d7f6 100644
--- a/libavcodec/libopenjpegdec.c
+++ b/libavcodec/libopenjpegdec.c
@@ -83,9 +83,25 @@ static const enum AVPixelFormat libopenjpeg_all_pix_fmts[]  = {
 typedef struct LibOpenJPEGContext {
     AVClass *class;
     opj_dparameters_t dec_params;
+    opj_event_mgr_t event_mgr;
     int lowqual;
 } LibOpenJPEGContext;
 
+static void error_callback(const char *msg, void *data)
+{
+    av_log(data, AV_LOG_ERROR, "%s", msg);
+}
+
+static void warning_callback(const char *msg, void *data)
+{
+    av_log(data, AV_LOG_WARNING, "%s", msg);
+}
+
+static void info_callback(const char *msg, void *data)
+{
+    av_log(data, AV_LOG_DEBUG, "%s", msg);
+}
+
 static inline int libopenjpeg_matches_pix_fmt(const opj_image_t *image, enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -286,7 +302,11 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
         av_log(avctx, AV_LOG_ERROR, "Error initializing decoder.\n");
         return AVERROR_UNKNOWN;
     }
-    opj_set_event_mgr((opj_common_ptr) dec, NULL, NULL);
+    memset(&ctx->event_mgr, 0, sizeof(ctx->event_mgr));
+    ctx->event_mgr.info_handler    = info_callback;
+    ctx->event_mgr.error_handler   = error_callback;
+    ctx->event_mgr.warning_handler = warning_callback;
+    opj_set_event_mgr((opj_common_ptr) dec, &ctx->event_mgr, avctx);
     ctx->dec_params.cp_limit_decoding = LIMIT_TO_MAIN_HEADER;
     ctx->dec_params.cp_layer          = ctx->lowqual;
     // Tie decoder with decoding parameters
@@ -413,6 +433,15 @@ done:
     return ret;
 }
 
+static av_cold void libopenjpeg_static_init(AVCodec *codec)
+{
+    const char *version = opj_version();
+    int major, minor;
+
+    if (sscanf(version, "%d.%d", &major, &minor) == 2 && 1000*major + minor <= 1003)
+        codec->capabilities |= CODEC_CAP_EXPERIMENTAL;
+}
+
 #define OFFSET(x) offsetof(LibOpenJPEGContext, x)
 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
 
@@ -440,4 +469,5 @@ AVCodec ff_libopenjpeg_decoder = {
     .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
     .max_lowres     = 31,
     .priv_class     = &openjpeg_class,
+    .init_static_data = libopenjpeg_static_init,
 };