lavfi: Add coreimage filter for GPU based image filtering on OSX.

[ffmpeg] / ffmpeg.c

diff --git a/ffmpeg.c b/ffmpeg.c
index 9bbe5c375918229242f53048e942154e88104d0d..9a142947686b7dbc42c479577a23e9795ca4539f 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -694,6 +694,8 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
         if (exit_on_error)
             exit_program(1);
     }
+    if (pkt->size == 0 && pkt->side_data_elems == 0)
+        return;
 
     if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
         if (pkt->dts != AV_NOPTS_VALUE &&
@@ -710,6 +712,7 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
      if(
         (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
         pkt->dts != AV_NOPTS_VALUE &&
+        !(avctx->codec_id == AV_CODEC_ID_VP9 && ost->stream_copy) &&
         ost->last_mux_dts != AV_NOPTS_VALUE) {
       int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
       if (pkt->dts < max) {
@@ -2547,6 +2550,8 @@ static int init_input_stream(int ist_index, char *error, int error_len)
                 av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
         }
 
+        av_dict_set(&ist->decoder_opts, "sub_text_format", "ass", AV_DICT_DONT_OVERWRITE);
+
         if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
             av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
         if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {