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codecs: h264decoder: Fix possible GstH264Picture leak and small cleanup

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Don't leak pictures when dpb is full unexpectedly.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1527>
This commit is contained in:
Seungha Yang 2020-08-21 22:48:48 +09:00 committed by GStreamer Merge Bot
parent 95e007ac49
commit 25c87a1315
1 changed files with 7 additions and 7 deletions
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14
gst-libs/gst/codecs/gsth264decoder.c
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@ -1351,7 +1351,7 @@ gst_h264_decoder_handle_memory_management_opt (GstH264Decoder * self,
GstH264Picture * picture)
{
GstH264DecoderPrivate *priv = self->priv;
gint i;
gint i, j;
for (i = 0; i < G_N_ELEMENTS (picture->dec_ref_pic_marking.ref_pic_marking);
i++) {
@ -1410,14 +1410,13 @@ gst_h264_decoder_handle_memory_management_opt (GstH264Decoder * self,
case 4:{
GArray *pictures = gst_h264_dpb_get_pictures_all (priv->dpb);
gint i;
/* Unmark all reference pictures with long_term_frame_idx over new max */
priv->max_long_term_frame_idx =
ref_pic_marking->max_long_term_frame_idx_plus1 - 1;
for (i = 0; i < pictures->len; i++) {
GstH264Picture *pic = g_array_index (pictures, GstH264Picture *, i);
for (j = 0; j < pictures->len; j++) {
GstH264Picture *pic = g_array_index (pictures, GstH264Picture *, j);
if (pic->long_term &&
pic->long_term_frame_idx > priv->max_long_term_frame_idx)
pic->ref = FALSE;
@ -1436,13 +1435,12 @@ gst_h264_decoder_handle_memory_management_opt (GstH264Decoder * self,
case 6:{
GArray *pictures = gst_h264_dpb_get_pictures_all (priv->dpb);
gint i;
/* Replace long term reference pictures with current picture.
* First unmark if any existing with this long_term_frame_idx... */
for (i = 0; i < pictures->len; i++) {
GstH264Picture *pic = g_array_index (pictures, GstH264Picture *, i);
for (j = 0; j < pictures->len; j++) {
GstH264Picture *pic = g_array_index (pictures, GstH264Picture *, j);
if (pic->long_term &&
pic->long_term_frame_idx == ref_pic_marking->long_term_frame_idx)
@ -1693,6 +1691,8 @@ gst_h264_decoder_finish_picture (GstH264Decoder * self,
/* If we haven't managed to output anything to free up space in DPB
* to store this picture, it's an error in the stream */
GST_WARNING_OBJECT (self, "Could not free up space in DPB");
g_array_set_size (not_outputted, 0);
return FALSE;
}