X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=ffmpeg.c;h=9a142947686b7dbc42c479577a23e9795ca4539f;hb=a677121cc568db7c101ebf3a797a779a983fc668;hp=a5ec3c38338eb6a02ccee07263368fcadbc55b35;hpb=4736f8115be411bb0cf24a4386d98c53553f919c;p=ffmpeg

diff --git a/ffmpeg.c b/ffmpeg.c
index a5ec3c38338..9a142947686 100644
--- 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) {
@@ -2123,8 +2126,12 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
     ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
 
     best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
-    if(best_effort_timestamp != AV_NOPTS_VALUE)
-        ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
+    if(best_effort_timestamp != AV_NOPTS_VALUE) {
+        int64_t ts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
+
+        if (ts != AV_NOPTS_VALUE)
+            ist->next_pts = ist->pts = ts;
+    }
 
     if (debug_ts) {
         av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
@@ -2543,6 +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) {
@@ -2603,6 +2612,12 @@ static int init_output_stream(OutputStream *ost, char *error, int error_len)
             !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
             av_dict_set(&ost->encoder_opts, "b", "128000", 0);
 
+        if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) {
+            ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx);
+            if (!ost->enc_ctx->hw_frames_ctx)
+                return AVERROR(ENOMEM);
+        }
+
         if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
             if (ret == AVERROR_EXPERIMENTAL)
                 abort_codec_experimental(codec, 1);
@@ -3194,13 +3209,6 @@ static int transcode_init(void)
         }
     }
 
-    /* open each encoder */
-    for (i = 0; i < nb_output_streams; i++) {
-        ret = init_output_stream(output_streams[i], error, sizeof(error));
-        if (ret < 0)
-            goto dump_format;
-    }
-
     /* init input streams */
     for (i = 0; i < nb_input_streams; i++)
         if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
@@ -3211,6 +3219,13 @@ static int transcode_init(void)
             goto dump_format;
         }
 
+    /* open each encoder */
+    for (i = 0; i < nb_output_streams; i++) {
+        ret = init_output_stream(output_streams[i], error, sizeof(error));
+        if (ret < 0)
+            goto dump_format;
+    }
+
     /* discard unused programs */
     for (i = 0; i < nb_input_files; i++) {
         InputFile *ifile = input_files[i];