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splitmuxsink: Change EOS catching logic.

Browse source 
Add a new state for ending the overall stream, and use it to decide
whether to pass the final EOS message up the bus instead of dropping
it. Fixes a small race that makes the testsuite sometimes not generate
the last fragment(s) sometimes because the wrong EOS gets
allowed through too early.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/798>
This commit is contained in:
Jan Schmidt 2020-10-31 12:49:08 +11:00 committed by Jan Schmidt
parent d12fa00195
commit 35cc0df53d
2 changed files with 14 additions and 6 deletions
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19
gst/multifile/gstsplitmuxsink.c
View file

@ -1267,6 +1267,7 @@ complete_or_wait_on_out (GstSplitMuxSink * splitmux, MqStreamCtx * ctx)
continue;
case SPLITMUX_OUTPUT_STATE_ENDING_FILE:
case SPLITMUX_OUTPUT_STATE_ENDING_STREAM:
/* We've reached the max out running_time to get here, so end this file now */
if (ctx->out_eos == FALSE) {
if (splitmux->async_finalize) {
@ -1590,6 +1591,12 @@ handle_mq_output (GstPad * pad, GstPadProbeInfo * info, MqStreamCtx * ctx)
if (splitmux->output_state == SPLITMUX_OUTPUT_STATE_STOPPED)
goto beach;
ctx->out_eos = TRUE;
if (ctx == splitmux->reference_ctx) {
splitmux->output_state = SPLITMUX_OUTPUT_STATE_ENDING_STREAM;
GST_SPLITMUX_BROADCAST_OUTPUT (splitmux);
}
GST_INFO_OBJECT (splitmux,
"Have EOS event at pad %" GST_PTR_FORMAT " ctx %p", pad, ctx);
break;
@ -2095,7 +2102,12 @@ bus_handler (GstBin * bin, GstMessage * message)
GST_SPLITMUX_UNLOCK (splitmux);
return;
}
} else if (splitmux->output_state == SPLITMUX_OUTPUT_STATE_ENDING_FILE) {
} else if (splitmux->output_state == SPLITMUX_OUTPUT_STATE_ENDING_STREAM) {
GST_DEBUG_OBJECT (splitmux,
"Passing EOS message. Output state %d max_out_running_time %"
GST_STIME_FORMAT, splitmux->output_state,
GST_STIME_ARGS (splitmux->max_out_running_time));
} else {
GST_DEBUG_OBJECT (splitmux, "Caught EOS at end of fragment, dropping");
splitmux->output_state = SPLITMUX_OUTPUT_STATE_START_NEXT_FILE;
GST_SPLITMUX_BROADCAST_OUTPUT (splitmux);
@ -2103,11 +2115,6 @@ bus_handler (GstBin * bin, GstMessage * message)
gst_message_unref (message);
GST_SPLITMUX_UNLOCK (splitmux);
return;
} else {
GST_DEBUG_OBJECT (splitmux,
"Passing EOS message. Output state %d max_out_running_time %"
GST_STIME_FORMAT, splitmux->output_state,
GST_STIME_ARGS (splitmux->max_out_running_time));
}
GST_SPLITMUX_UNLOCK (splitmux);
break;

1
gst/multifile/gstsplitmuxsink.h
View file

@ -50,6 +50,7 @@ typedef enum _SplitMuxOutputState
SPLITMUX_OUTPUT_STATE_AWAITING_COMMAND, /* Waiting first command packet from input */
SPLITMUX_OUTPUT_STATE_OUTPUT_GOP, /* Outputting a collected GOP */
SPLITMUX_OUTPUT_STATE_ENDING_FILE, /* Finishing the current fragment */
SPLITMUX_OUTPUT_STATE_ENDING_STREAM, /* Finishing up the entire stream due to input EOS */
SPLITMUX_OUTPUT_STATE_START_NEXT_FILE /* Restarting after ENDING_FILE */
} SplitMuxOutputState;