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avviddec: Add output-corrupt property

Browse source 
The output-corrupt property will set the CODEC_FLAG_OUTPUT_CORRUPT flag
in the codec context. The user can now decide whether libav outputs
corrupt frames or not.

Previous libav versions had this flag always set.

https://bugzilla.gnome.org/show_bug.cgi?id=722453
This commit is contained in:
Aleix Conchillo Flaqué 2014-01-17 12:38:23 -08:00 committed by Sebastian Dröge
parent d494f6f983
commit 60f7b00db3
2 changed files with 28 additions and 0 deletions
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27
ext/libav/gstavviddec.c
View file

@ -46,6 +46,7 @@ GST_DEBUG_CATEGORY_EXTERN (GST_CAT_PERFORMANCE);
#define DEFAULT_DIRECT_RENDERING TRUE
#define DEFAULT_DEBUG_MV FALSE
#define DEFAULT_MAX_THREADS 0
#define DEFAULT_OUTPUT_CORRUPT TRUE
enum
{
@ -55,6 +56,7 @@ enum
PROP_DIRECT_RENDERING,
PROP_DEBUG_MV,
PROP_MAX_THREADS,
PROP_OUTPUT_CORRUPT,
PROP_LAST
};
@ -223,6 +225,10 @@ gst_ffmpegviddec_class_init (GstFFMpegVidDecClass * klass)
g_param_spec_boolean ("debug-mv", "Debug motion vectors",
"Whether libav should print motion vectors on top of the image",
DEFAULT_DEBUG_MV, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OUTPUT_CORRUPT,
g_param_spec_boolean ("output-corrupt", "Output corrupt buffers",
"Whether libav should output frames even if corrupted",
DEFAULT_OUTPUT_CORRUPT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
caps = klass->in_plugin->capabilities;
if (caps & (CODEC_CAP_FRAME_THREADS | CODEC_CAP_SLICE_THREADS)) {
@ -258,6 +264,7 @@ gst_ffmpegviddec_init (GstFFMpegVidDec * ffmpegdec)
ffmpegdec->direct_rendering = DEFAULT_DIRECT_RENDERING;
ffmpegdec->debug_mv = DEFAULT_DEBUG_MV;
ffmpegdec->max_threads = DEFAULT_MAX_THREADS;
ffmpegdec->output_corrupt = DEFAULT_OUTPUT_CORRUPT;
gst_video_decoder_set_needs_format (GST_VIDEO_DECODER (ffmpegdec), TRUE);
}
@ -278,6 +285,17 @@ gst_ffmpegviddec_finalize (GObject * object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_ffmpegviddec_context_set_flags (AVCodecContext * context, guint flags,
gboolean enable)
{
g_return_if_fail (context != NULL);
if (enable)
context->flags |= flags;
else
context->flags &= ~flags;
}
/* with LOCK */
static gboolean
@ -349,6 +367,9 @@ gst_ffmpegviddec_open (GstFFMpegVidDec * ffmpegdec)
break;
}
gst_ffmpegviddec_context_set_flags (ffmpegdec->context,
CODEC_FLAG_OUTPUT_CORRUPT, ffmpegdec->output_corrupt);
return TRUE;
/* ERRORS */
@ -1825,6 +1846,9 @@ gst_ffmpegviddec_set_property (GObject * object,
case PROP_MAX_THREADS:
ffmpegdec->max_threads = g_value_get_int (value);
break;
case PROP_OUTPUT_CORRUPT:
ffmpegdec->output_corrupt = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1853,6 +1877,9 @@ gst_ffmpegviddec_get_property (GObject * object,
case PROP_MAX_THREADS:
g_value_set_int (value, ffmpegdec->max_threads);
break;
case PROP_OUTPUT_CORRUPT:
g_value_set_boolean (value, ffmpegdec->output_corrupt);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

1
ext/libav/gstavviddec.h
View file

@ -63,6 +63,7 @@ struct _GstFFMpegVidDec
gboolean direct_rendering;
gboolean debug_mv;
int max_threads;
gboolean output_corrupt;
gboolean is_realvideo;