lavfi: check refcount before merging.

[ffmpeg] / ffmpeg.c

diff --git a/ffmpeg.c b/ffmpeg.c
index 3d23ee686116e46830f9ef50d746d1fa48966d63..1c1a5599d0a7e8a4a257f6e23b9f55476fd3a460 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -232,9 +232,9 @@ static void sub2video_update(InputStream *ist, AVSubtitle *sub)
     if (!frame)
         return;
     if (sub) {
-        pts       = av_rescale_q(sub->pts + sub->start_display_time * 1000,
+        pts       = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
                                  AV_TIME_BASE_Q, ist->st->time_base);
-        end_pts   = av_rescale_q(sub->pts + sub->end_display_time   * 1000,
+        end_pts   = av_rescale_q(sub->pts + sub->end_display_time   * 1000LL,
                                  AV_TIME_BASE_Q, ist->st->time_base);
         num_rects = sub->num_rects;
     } else {
@@ -2109,7 +2109,7 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
             if (avpkt.duration) {
                 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
             } else if(ist->dec_ctx->time_base.num != 0 && ist->dec_ctx->time_base.den != 0) {
-                int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
+                int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
                 duration = ((int64_t)AV_TIME_BASE *
                                 ist->dec_ctx->time_base.num * ticks) /
                                 ist->dec_ctx->time_base.den;
@@ -2168,7 +2168,7 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
             } else if (pkt->duration) {
                 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
             } else if(ist->dec_ctx->time_base.num != 0) {
-                int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
+                int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
                 ist->next_dts += ((int64_t)AV_TIME_BASE *
                                   ist->dec_ctx->time_base.num * ticks) /
                                   ist->dec_ctx->time_base.den;
@@ -2864,7 +2864,11 @@ static int transcode_init(void)
                 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
                                              " It takes bits/s as argument, not kbits/s\n");
         } else {
-            av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
+            if (av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts) < 0) {
+                av_log(NULL, AV_LOG_FATAL,
+                    "Error setting up codec context options.\n");
+                exit_program(1);
+            }
         }
 
         ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
@@ -2874,6 +2878,9 @@ static int transcode_init(void)
             exit_program(1);
         }
         ost->st->codec->codec= ost->enc_ctx->codec;
+
+        // copy timebase while removing common factors
+        ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
     }
 
     /* init input streams */