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nvenc: Do not access to broken encode session

Browse source 
If an encode session failed in initializing, the encode
session would be broken and the next nvenc API will cause crash.

Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/1179
This commit is contained in:
Seungha Yang 2020-01-16 13:00:33 +09:00
parent 1bcf44bb1f
commit a10f26aa3a
1 changed files with 22 additions and 5 deletions
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27
sys/nvcodec/gstnvbaseenc.c
View file

@ -773,7 +773,6 @@ gst_nv_base_enc_getcaps (GstVideoEncoder * enc, GstCaps * filter)
GST_OBJECT_LOCK (nvenc);
if (nvenc->input_formats != NULL) {
GValue *val;
gboolean has_profile = FALSE;
guint max_chroma_index = 0;
guint max_bit_minus8 = 0;
@ -813,10 +812,15 @@ gst_nv_base_enc_getcaps (GstVideoEncoder * enc, GstCaps * filter)
gst_caps_set_value (supported_incaps, "format", nvenc->input_formats);
}
val = gst_nvenc_get_interlace_modes (nvenc->encoder, klass->codec_id);
gst_caps_set_value (supported_incaps, "interlace-mode", val);
g_value_unset (val);
g_free (val);
if (nvenc->encoder) {
GValue *interlace_mode;
interlace_mode =
gst_nvenc_get_interlace_modes (nvenc->encoder, klass->codec_id);
gst_caps_set_value (supported_incaps, "interlace-mode", interlace_mode);
g_value_unset (interlace_mode);
g_free (interlace_mode);
}
GST_LOG_OBJECT (enc, "codec input caps %" GST_PTR_FORMAT, supported_incaps);
GST_LOG_OBJECT (enc, " template caps %" GST_PTR_FORMAT, template_caps);
@ -1514,6 +1518,12 @@ gst_nv_base_enc_set_format (GstVideoEncoder * enc, GstVideoCodecState * state)
g_atomic_int_set (&nvenc->reconfig, FALSE);
if (!nvenc->encoder && !gst_nv_base_enc_open_encode_session (nvenc)) {
GST_ELEMENT_ERROR (nvenc, LIBRARY, INIT, (NULL),
("Failed to open encode session"));
return FALSE;
}
if (old_state) {
gboolean larger_resolution;
gboolean format_changed;
@ -1696,6 +1706,8 @@ gst_nv_base_enc_set_format (GstVideoEncoder * enc, GstVideoCodecState * state)
if (nv_ret != NV_ENC_SUCCESS) {
GST_ELEMENT_ERROR (nvenc, LIBRARY, SETTINGS, (NULL),
("Failed to %sinit encoder: %d", reconfigure ? "re" : "", nv_ret));
NvEncDestroyEncoder (nvenc->encoder);
nvenc->encoder = NULL;
return FALSE;
}
@ -2396,6 +2408,11 @@ gst_nv_base_enc_drain_encoder (GstNvBaseEnc * nvenc)
return TRUE;
}
if (!nvenc->encoder) {
GST_DEBUG_OBJECT (nvenc, "no configured encode session");
return TRUE;
}
pic_params.version = gst_nvenc_get_pic_params_version ();
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;