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libs: decoder: h264,h265 avoid uninitialized variable

Browse source 
Configuring GCC to verify possible usage of uninitialized variables,
shows that found_index might be used without previous assignation.

This patch assigns a initial value to found_index, also avoid a
branching when returning the result value.

https://bugzilla.gnome.org/show_bug.cgi?id=778782
This commit is contained in:
Víctor Manuel Jáquez Leal 2017-02-16 18:11:50 +01:00
parent 884e0bece2
commit d6738f3f93
2 changed files with 8 additions and 8 deletions
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12
gst-libs/gst/vaapi/gstvaapidecoder_h264.c
View file

@ -769,7 +769,7 @@ dpb_find_nearest_prev_poc (GstVaapiDecoderH264 * decoder,
{
GstVaapiDecoderH264Private *const priv = &decoder->priv;
GstVaapiPictureH264 *found_picture = NULL;
guint i, j, found_index;
guint i, j, found_index = -1;
g_return_val_if_fail (picture != NULL, -1);
@ -793,7 +793,7 @@ dpb_find_nearest_prev_poc (GstVaapiDecoderH264 * decoder,
if (found_picture_ptr)
*found_picture_ptr = found_picture;
return found_picture ? found_index : -1;
return found_index;
}
/* Finds the picture with the lowest POC that needs to be output */
@ -803,7 +803,7 @@ dpb_find_lowest_poc (GstVaapiDecoderH264 * decoder,
{
GstVaapiDecoderH264Private *const priv = &decoder->priv;
GstVaapiPictureH264 *found_picture = NULL;
guint i, j, found_index;
guint i, j, found_index = -1;
for (i = 0; i < priv->dpb_count; i++) {
GstVaapiFrameStore *const fs = priv->dpb[i];
@ -824,7 +824,7 @@ dpb_find_lowest_poc (GstVaapiDecoderH264 * decoder,
if (found_picture_ptr)
*found_picture_ptr = found_picture;
return found_picture ? found_index : -1;
return found_index;
}
/* Finds the picture with the lowest VOC that needs to be output */
@ -834,7 +834,7 @@ dpb_find_lowest_voc (GstVaapiDecoderH264 * decoder,
{
GstVaapiDecoderH264Private *const priv = &decoder->priv;
GstVaapiPictureH264 *found_picture = NULL;
guint i, j, found_index;
guint i, j, found_index = -1;
for (i = 0; i < priv->dpb_count; i++) {
GstVaapiFrameStore *const fs = priv->dpb[i];
@ -851,7 +851,7 @@ dpb_find_lowest_voc (GstVaapiDecoderH264 * decoder,
if (found_picture_ptr)
*found_picture_ptr = found_picture;
return found_picture ? found_index : -1;
return found_index;
}
static gboolean

4
gst-libs/gst/vaapi/gstvaapidecoder_h265.c
View file

@ -711,7 +711,7 @@ dpb_find_lowest_poc (GstVaapiDecoderH265 * decoder,
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPictureH265 *found_picture = NULL;
guint i, found_index;
guint i, found_index = -1;
for (i = 0; i < priv->dpb_count; i++) {
GstVaapiPictureH265 *const picture = priv->dpb[i]->buffer;
@ -723,7 +723,7 @@ dpb_find_lowest_poc (GstVaapiDecoderH265 * decoder,
if (found_picture_ptr)
*found_picture_ptr = found_picture;
return found_picture ? found_index : -1;
return found_index;
}
static gboolean