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videodecoder: Add "discard-corrupted-frames" property

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This can be used by applications to configure decoders so that corrupted
frames are directly discarded instead of being forwarded inside the
pipeline. It is a replacement for the "output-corrupt" property of the
ffmpeg decoders.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/730>
This commit is contained in:
Sebastian Dröge 2020-07-01 18:11:25 +03:00 committed by GStreamer Merge Bot
parent 06bcf95ebf
commit 1afb145dc5
1 changed files with 38 additions and 1 deletions
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39
gst-libs/gst/video/gstvideodecoder.c
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@ -290,12 +290,14 @@ GST_DEBUG_CATEGORY (videodecoder_debug);
/* properties */ /* properties */
#define DEFAULT_QOS TRUE #define DEFAULT_QOS TRUE
#define DEFAULT_MAX_ERRORS GST_VIDEO_DECODER_MAX_ERRORS #define DEFAULT_MAX_ERRORS GST_VIDEO_DECODER_MAX_ERRORS
#define DEFAULT_DISCARD_CORRUPTED_FRAMES FALSE
enum enum
{ {
PROP_0, PROP_0,
PROP_QOS, PROP_QOS,
PROP_MAX_ERRORS, PROP_MAX_ERRORS,
PROP_DISCARD_CORRUPTED_FRAMES
}; };
struct _GstVideoDecoderPrivate struct _GstVideoDecoderPrivate
@ -376,6 +378,8 @@ struct _GstVideoDecoderPrivate
GstClockTime base_timestamp; GstClockTime base_timestamp;
int distance_from_sync; int distance_from_sync;
/* Properties */
gboolean discard_corrupted_frames;
guint32 system_frame_number; guint32 system_frame_number;
guint32 decode_frame_number; guint32 decode_frame_number;
@ -592,6 +596,21 @@ gst_video_decoder_class_init (GstVideoDecoderClass * klass)
-1, G_MAXINT, DEFAULT_MAX_ERRORS, -1, G_MAXINT, DEFAULT_MAX_ERRORS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVideoDecoder:discard-corrupted-frames:
*
* If set to %TRUE the decoder will discard frames that are marked as
* corrupted instead of outputting them.
*
* Since: 1.20
*/
g_object_class_install_property (gobject_class, PROP_DISCARD_CORRUPTED_FRAMES,
g_param_spec_boolean ("discard-corrupted-frames",
"Discard Corrupted Frames",
"Discard frames marked as corrupted instead of outputting them",
DEFAULT_DISCARD_CORRUPTED_FRAMES,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
meta_tag_video_quark = g_quark_from_static_string (GST_META_TAG_VIDEO_STR); meta_tag_video_quark = g_quark_from_static_string (GST_META_TAG_VIDEO_STR);
} }
@ -861,6 +880,9 @@ gst_video_decoder_get_property (GObject * object, guint property_id,
case PROP_MAX_ERRORS: case PROP_MAX_ERRORS:
g_value_set_int (value, gst_video_decoder_get_max_errors (dec)); g_value_set_int (value, gst_video_decoder_get_max_errors (dec));
break; break;
case PROP_DISCARD_CORRUPTED_FRAMES:
g_value_set_boolean (value, priv->discard_corrupted_frames);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break; break;
@ -881,6 +903,9 @@ gst_video_decoder_set_property (GObject * object, guint property_id,
case PROP_MAX_ERRORS: case PROP_MAX_ERRORS:
gst_video_decoder_set_max_errors (dec, g_value_get_int (value)); gst_video_decoder_set_max_errors (dec, g_value_get_int (value));
break; break;
case PROP_DISCARD_CORRUPTED_FRAMES:
priv->discard_corrupted_frames = g_value_get_boolean (value);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break; break;
@ -3149,7 +3174,19 @@ gst_video_decoder_finish_frame (GstVideoDecoder * decoder,
/* no buffer data means this frame is skipped */ /* no buffer data means this frame is skipped */
if (!frame->output_buffer || GST_VIDEO_CODEC_FRAME_IS_DECODE_ONLY (frame)) { if (!frame->output_buffer || GST_VIDEO_CODEC_FRAME_IS_DECODE_ONLY (frame)) {
GST_DEBUG_OBJECT (decoder, "skipping frame %" GST_TIME_FORMAT, GST_DEBUG_OBJECT (decoder,
"skipping frame %" GST_TIME_FORMAT " because not output was produced",
GST_TIME_ARGS (frame->pts));
goto done;
}
if (priv->discard_corrupted_frames
&& (GST_VIDEO_CODEC_FRAME_FLAG_IS_SET (frame,
GST_VIDEO_CODEC_FRAME_FLAG_CORRUPTED)
|| GST_BUFFER_FLAG_IS_SET (frame->output_buffer,
GST_BUFFER_FLAG_CORRUPTED))) {
GST_DEBUG_OBJECT (decoder,
"skipping frame %" GST_TIME_FORMAT " because it is corrupted",
GST_TIME_ARGS (frame->pts)); GST_TIME_ARGS (frame->pts));
goto done; goto done;
} }