Merge commit '398f015f077c6a2406deffd9e37ff34b9c7bb3bc'

* commit '398f015f077c6a2406deffd9e37ff34b9c7bb3bc':
  avconv: buffer the packets written while the muxer is not initialized

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index bea2829e4a..4d25fff410 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1395,6 +1395,10 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
     MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
     ost->disposition = av_strdup(ost->disposition);
 
+    ost->max_muxing_queue_size = 128;
+    MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
+    ost->max_muxing_queue_size *= sizeof(AVPacket);
+
     if (oc->oformat->flags & AVFMT_GLOBALHEADER)
         ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 
@@ -1414,6 +1418,10 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
     }
     ost->last_mux_dts = AV_NOPTS_VALUE;
 
+    ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
+    if (!ost->muxing_queue)
+        exit_program(1);
+
     return ost;
 }
 
@@ -3565,6 +3573,10 @@ const OptionDef options[] = {
         "set the subtitle options to the indicated preset", "preset" },
     { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT,                { .func_arg = opt_preset },
         "set options from indicated preset file", "filename" },
+
+    { "max_muxing_queue_size", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(max_muxing_queue_size) },
+        "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
+
     /* data codec support */
     { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
         "force data codec ('copy' to copy stream)", "codec" },