void ff_h264_remove_all_refs(H264Context *h)
{
int i;
for (i = 0; i < 16; i++) {
remove_long(h, i, 0);
}
assert(h->long_ref_count == 0);
if (h->short_ref_count && !h->last_pic_for_ec.f->data[0]) {
ff_h264_unref_picture(h, &h->last_pic_for_ec);
if (h->short_ref[0]->f->buf[0])
ff_h264_ref_picture(h, &h->last_pic_for_ec, h->short_ref[0]);
}
for (i = 0; i < h->short_ref_count; i++) {
unreference_pic(h, h->short_ref[i], 0);
h->short_ref[i] = NULL;
}
h->short_ref_count = 0;
memset(h->default_ref, 0, sizeof(h->default_ref));
for (i = 0; i < h->nb_slice_ctx; i++) {
H264SliceContext *sl = &h->slice_ctx[i];
sl->list_count = sl->ref_count[0] = sl->ref_count[1] = 0;
memset(sl->ref_list, 0, sizeof(sl->ref_list));
}
}
int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src)
{
int ret, i;
av_assert0(!dst->f.buf[0]);
av_assert0(src->f.buf[0]);
src->tf.f = &src->f;
dst->tf.f = &dst->f;
ret = ff_thread_ref_frame(&dst->tf, &src->tf);
if (ret < 0)
goto fail;
dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf);
dst->mb_type_buf = av_buffer_ref(src->mb_type_buf);
if (!dst->qscale_table_buf || !dst->mb_type_buf)
goto fail;
dst->qscale_table = src->qscale_table;
dst->mb_type = src->mb_type;
for (i = 0; i < 2; i++) {
dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]);
dst->ref_index_buf[i] = av_buffer_ref(src->ref_index_buf[i]);
if (!dst->motion_val_buf[i] || !dst->ref_index_buf[i])
goto fail;
dst->motion_val[i] = src->motion_val[i];
dst->ref_index[i] = src->ref_index[i];
}
if (src->hwaccel_picture_private) {
dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
if (!dst->hwaccel_priv_buf)
goto fail;
dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
}
for (i = 0; i < 2; i++)
dst->field_poc[i] = src->field_poc[i];
memcpy(dst->ref_poc, src->ref_poc, sizeof(src->ref_poc));
memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count));
dst->poc = src->poc;
dst->frame_num = src->frame_num;
dst->mmco_reset = src->mmco_reset;
dst->pic_id = src->pic_id;
dst->long_ref = src->long_ref;
dst->mbaff = src->mbaff;
dst->field_picture = src->field_picture;
dst->needs_realloc = src->needs_realloc;
dst->reference = src->reference;
dst->recovered = src->recovered;
return 0;
fail:
ff_h264_unref_picture(h, dst);
return ret;
}
void ff_h264_remove_all_refs(H264Context *h)
{
int i;
for (i = 0; i < 16; i++) {
remove_long(h, i, 0);
}
assert(h->long_ref_count == 0);
if (h->short_ref_count && !h->last_pic_for_ec.f->data[0]) {
ff_h264_unref_picture(h, &h->last_pic_for_ec);
ff_h264_ref_picture(h, &h->last_pic_for_ec, h->short_ref[0]);
}
for (i = 0; i < h->short_ref_count; i++) {
unreference_pic(h, h->short_ref[i], 0);
h->short_ref[i] = NULL;
}
h->short_ref_count = 0;
memset(h->default_ref, 0, sizeof(h->default_ref));
}
