From 17d0751887617fa3c4761fb759a0f739c7aa956c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Tue, 8 Nov 2011 11:07:01 +0100
Subject: [PATCH] omxaudioenc: Don't try to drain the component after EOS

And don't send EOS twice in any case. This most likely
will cause the component to not output it again and
is not necessary anyway.
---
 omx/gstomxaudioenc.c | 35 +++++++++++++++++++++++++++++------
 omx/gstomxaudioenc.h |  3 +++
 2 files changed, 32 insertions(+), 6 deletions(-)

diff --git a/omx/gstomxaudioenc.c b/omx/gstomxaudioenc.c
index a79c140041..1ba8937209 100644
--- a/omx/gstomxaudioenc.c
+++ b/omx/gstomxaudioenc.c
@@ -531,6 +531,7 @@ component_error:
         gst_event_new_eos ());
     gst_pad_pause_task (GST_BASE_AUDIO_ENCODER_SRC_PAD (self));
     self->downstream_flow_ret = GST_FLOW_ERROR;
+    self->started = FALSE;
     return;
   }
 flushing:
@@ -538,6 +539,7 @@ flushing:
     GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
     gst_pad_pause_task (GST_BASE_AUDIO_ENCODER_SRC_PAD (self));
     self->downstream_flow_ret = GST_FLOW_WRONG_STATE;
+    self->started = FALSE;
     return;
   }
 flow_error:
@@ -557,6 +559,7 @@ flow_error:
           gst_event_new_eos ());
       gst_pad_pause_task (GST_BASE_AUDIO_ENCODER_SRC_PAD (self));
     }
+    self->started = FALSE;
     return;
   }
 reconfigure_error:
@@ -567,6 +570,7 @@ reconfigure_error:
         gst_event_new_eos ());
     gst_pad_pause_task (GST_BASE_AUDIO_ENCODER_SRC_PAD (self));
     self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED;
+    self->started = FALSE;
     return;
   }
 caps_failed:
@@ -576,6 +580,7 @@ caps_failed:
         gst_event_new_eos ());
     gst_pad_pause_task (GST_BASE_AUDIO_ENCODER_SRC_PAD (self));
     self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED;
+    self->started = FALSE;
     return;
   }
 }
@@ -588,6 +593,7 @@ gst_omx_audio_enc_start (GstBaseAudioEncoder * encoder)
 
   self = GST_OMX_AUDIO_ENC (encoder);
 
+  self->eos = FALSE;
   self->downstream_flow_ret = GST_FLOW_OK;
   ret =
       gst_pad_start_task (GST_BASE_AUDIO_ENCODER_SRC_PAD (self),
@@ -609,6 +615,8 @@ gst_omx_audio_enc_stop (GstBaseAudioEncoder * encoder)
     gst_omx_component_set_state (self->component, OMX_StateIdle);
 
   self->downstream_flow_ret = GST_FLOW_WRONG_STATE;
+  self->started = FALSE;
+  self->eos = FALSE;
 
   g_mutex_lock (self->drain_lock);
   self->draining = FALSE;
@@ -656,10 +664,7 @@ gst_omx_audio_enc_set_format (GstBaseAudioEncoder * encoder,
    * format change happened we can just exit here.
    */
   if (needs_disable) {
-    if (self->started) {
-      gst_omx_audio_enc_drain (self);
-      self->started = FALSE;
-    }
+    gst_omx_audio_enc_drain (self);
 
     if (gst_omx_port_manual_reconfigure (self->in_port, TRUE) != OMX_ErrorNone)
       return FALSE;
@@ -799,7 +804,6 @@ gst_omx_audio_enc_flush (GstBaseAudioEncoder * encoder)
 
   if (self->started) {
     gst_omx_audio_enc_drain (self);
-    self->started = FALSE;
 
     gst_omx_port_set_flushing (self->in_port, TRUE);
     gst_omx_port_set_flushing (self->out_port, TRUE);
@@ -814,6 +818,7 @@ gst_omx_audio_enc_flush (GstBaseAudioEncoder * encoder)
 
   /* Start the srcpad loop again */
   self->downstream_flow_ret = GST_FLOW_OK;
+  self->eos = FALSE;
   gst_pad_start_task (GST_BASE_AUDIO_ENCODER_SRC_PAD (self),
       (GstTaskFunction) gst_omx_audio_enc_loop, encoder);
 }
@@ -830,6 +835,11 @@ gst_omx_audio_enc_handle_frame (GstBaseAudioEncoder * encoder,
 
   self = GST_OMX_AUDIO_ENC (encoder);
 
+  if (self->eos) {
+    GST_WARNING_OBJECT (self, "Got frame after EOS");
+    return GST_FLOW_UNEXPECTED;
+  }
+
   if (self->downstream_flow_ret != GST_FLOW_OK) {
     GST_ERROR_OBJECT (self, "Downstream returned %s",
         gst_flow_get_name (self->downstream_flow_ret));
@@ -958,6 +968,11 @@ gst_omx_audio_enc_event (GstBaseAudioEncoder * encoder, GstEvent * event)
 
     GST_DEBUG_OBJECT (self, "Sending EOS to the component");
 
+    /* Don't send EOS buffer twice, this doesn't work */
+    if (self->eos)
+      return FALSE;
+    self->eos = TRUE;
+
     /* Send an EOS buffer to the component and let the base
      * class drop the EOS event. We will send it later when
      * the EOS buffer arrives on the output port. */
@@ -980,7 +995,13 @@ gst_omx_audio_enc_drain (GstOMXAudioEnc * self)
 
   GST_DEBUG_OBJECT (self, "Draining component");
 
-  g_assert (self->started);
+  if (!self->started)
+    return GST_FLOW_OK;
+  self->started = FALSE;
+
+  /* Don't send EOS buffer twice, this doesn't work */
+  if (self->eos)
+    return GST_FLOW_OK;
 
   /* Send an EOS buffer to the component and let the base
    * class drop the EOS event. We will send it later when
@@ -1000,5 +1021,7 @@ gst_omx_audio_enc_drain (GstOMXAudioEnc * self)
   g_mutex_unlock (self->drain_lock);
   GST_BASE_AUDIO_ENCODER_STREAM_LOCK (self);
 
+  self->started = FALSE;
+
   return GST_FLOW_OK;
 }
diff --git a/omx/gstomxaudioenc.h b/omx/gstomxaudioenc.h
index 035abc65a6..2e6852e082 100644
--- a/omx/gstomxaudioenc.h
+++ b/omx/gstomxaudioenc.h
@@ -58,6 +58,9 @@ struct _GstOMXAudioEnc
    * the first buffer */
   gboolean started;
 
+  /* TRUE if upstream is EOS */
+  gboolean eos;
+
   /* Draining state */
   GMutex *drain_lock;
   GCond *drain_cond;