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decoder: h264: fix the DPB compaction process.

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Fix the compaction process when the DPB is cleared for a specific
view, i.e. fix the process of filling in the holes resulting from
removing frame buffers matching the current picture.
This commit is contained in:
Gwenole Beauchesne 2014-06-27 20:44:24 +02:00
parent 95d7f95971
commit 9169c520cb
1 changed files with 10 additions and 4 deletions
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14
gst-libs/gst/vaapi/gstvaapidecoder_h264.c
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@ -847,9 +847,15 @@ dpb_clear(GstVaapiDecoderH264 *decoder, GstVaapiPictureH264 *picture)
gst_vaapi_frame_store_replace(&priv->dpb[i], NULL);
}
/* Compact the resulting DPB, i.e. remove holes */
for (i = 0, n = 0; i < priv->dpb_count; i++) {
if (priv->dpb[i])
priv->dpb[n++] = priv->dpb[i];
if (priv->dpb[i]) {
if (i != n) {
priv->dpb[n] = priv->dpb[i];
priv->dpb[i] = NULL;
}
n++;
}
}
priv->dpb_count = n;
@ -859,7 +865,7 @@ dpb_clear(GstVaapiDecoderH264 *decoder, GstVaapiPictureH264 *picture)
GST_VAAPI_PICTURE_FLAG_IS_SET(picture,
GST_VAAPI_PICTURE_FLAG_AU_START))) {
for (i = 0; i < priv->max_views; i++)
gst_vaapi_picture_replace(&priv->prev_frames[i], NULL);
gst_vaapi_frame_store_replace(&priv->prev_frames[i], NULL);
}
}
@ -1026,7 +1032,7 @@ mvc_reset(GstVaapiDecoderH264 *decoder)
// Resize array of previous frame buffers
for (i = priv->max_views; i < priv->prev_frames_alloc; i++)
gst_vaapi_picture_replace(&priv->prev_frames[i], NULL);
gst_vaapi_frame_store_replace(&priv->prev_frames[i], NULL);
priv->prev_frames = g_try_realloc_n(priv->prev_frames, priv->max_views,
sizeof(*priv->prev_frames));