avfilter/lavfutils: disable frame threads when decoding a single image
authorMichael Niedermayer <michaelni@gmx.at>
Thu, 30 Apr 2015 01:03:31 +0000 (03:03 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Fri, 15 May 2015 08:04:50 +0000 (10:04 +0200)
The image decoding code does expect the image to be decoded immedeatly

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d2184bf3b65354e44c177e226a6c59c5d6fdbad4)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavfilter/lavfutils.c

index 75e68a7..9952e6e 100644 (file)
@@ -32,6 +32,7 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
     AVFrame *frame;
     int frame_decoded, ret = 0;
     AVPacket pkt;
+    AVDictionary *opt=NULL;
 
     av_init_packet(&pkt);
 
@@ -57,7 +58,8 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
         goto end;
     }
 
-    if ((ret = avcodec_open2(codec_ctx, codec, NULL)) < 0) {
+    av_dict_set(&opt, "thread_type", "slice", 0);
+    if ((ret = avcodec_open2(codec_ctx, codec, &opt)) < 0) {
         av_log(log_ctx, AV_LOG_ERROR, "Failed to open codec\n");
         goto end;
     }
@@ -97,6 +99,7 @@ end:
     avcodec_close(codec_ctx);
     avformat_close_input(&format_ctx);
     av_frame_free(&frame);
+    av_dict_free(&opt);
 
     if (ret < 0)
         av_log(log_ctx, AV_LOG_ERROR, "Error loading image file '%s'\n", filename);