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CrystalHD: Change opaque_list_pop to return the node.

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In preparation for adding additional fields to the node, return
the node instead of the pts value. This requires the caller to
free the node.

Signed-off-by: Philip Langdale <philipl@overt.org>
This commit is contained in:
Philip Langdale 2011-03-25 22:43:53 -07:00
parent ca0eed7e37
commit e99fd6ee19
1 changed files with 25 additions and 18 deletions
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43
libavcodec/crystalhd.c
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@ -231,15 +231,17 @@ static uint64_t opaque_list_push(CHDContext *priv, uint64_t reordered_opaque)
* The OpaqueList is built in decode order, while elements will be removed
* in presentation order. If frames are reordered, this means we must be
* able to remove elements that are not the first element.
*
* Returned node must be freed by caller.
*/
static uint64_t opaque_list_pop(CHDContext *priv, uint64_t fake_timestamp)
static OpaqueList *opaque_list_pop(CHDContext *priv, uint64_t fake_timestamp)
{
OpaqueList *node = priv->head;
if (!priv->head) {
av_log(priv->avctx, AV_LOG_ERROR,
"CrystalHD: Attempted to query non-existent timestamps.\n");
return AV_NOPTS_VALUE;
return NULL;
}
/*
@ -247,14 +249,13 @@ static uint64_t opaque_list_pop(CHDContext *priv, uint64_t fake_timestamp)
* the head pointer rather than the previous element in the list.
*/
if (priv->head->fake_timestamp == fake_timestamp) {
uint64_t reordered_opaque = node->reordered_opaque;
priv->head = node->next;
av_free(node);
if (!priv->head->next)
priv->tail = priv->head;
return reordered_opaque;
node->next = NULL;
return node;
}
/*
@ -262,24 +263,23 @@ static uint64_t opaque_list_pop(CHDContext *priv, uint64_t fake_timestamp)
* previous element available to rewrite its next pointer.
*/
while (node->next) {
OpaqueList *next = node->next;
if (next->fake_timestamp == fake_timestamp) {
uint64_t reordered_opaque = next->reordered_opaque;
node->next = next->next;
av_free(next);
OpaqueList *current = node->next;
if (current->fake_timestamp == fake_timestamp) {
node->next = current->next;
if (!node->next)
priv->tail = node;
return reordered_opaque;
current->next = NULL;
return current;
} else {
node = next;
node = current;
}
}
av_log(priv->avctx, AV_LOG_VERBOSE,
"CrystalHD: Couldn't match fake_timestamp.\n");
return AV_NOPTS_VALUE;
return NULL;
}
@ -517,6 +517,7 @@ static inline CopyRet copy_frame(AVCodecContext *avctx,
uint8_t interlaced;
CHDContext *priv = avctx->priv_data;
int64_t pkt_pts = AV_NOPTS_VALUE;
uint8_t bottom_field = (output->PicInfo.flags & VDEC_FLAG_BOTTOMFIELD) ==
VDEC_FLAG_BOTTOMFIELD;
@ -530,6 +531,16 @@ static inline CopyRet copy_frame(AVCodecContext *avctx,
uint8_t *dst;
int dStride;
if (output->PicInfo.timeStamp != 0) {
OpaqueList *node = opaque_list_pop(priv, output->PicInfo.timeStamp);
if (node) {
pkt_pts = node->reordered_opaque;
av_free(node);
}
av_log(avctx, AV_LOG_VERBOSE, "output \"pts\": %"PRIu64"\n",
output->PicInfo.timeStamp);
}
ret = DtsGetDriverStatus(priv->dev, &decoder_status);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR,
@ -608,11 +619,7 @@ static inline CopyRet copy_frame(AVCodecContext *avctx,
if (interlaced)
priv->pic.top_field_first = !bottom_first;
if (output->PicInfo.timeStamp != 0) {
priv->pic.pkt_pts = opaque_list_pop(priv, output->PicInfo.timeStamp);
av_log(avctx, AV_LOG_VERBOSE, "output \"pts\": %"PRIu64"\n",
priv->pic.pkt_pts);
}
priv->pic.pkt_pts = pkt_pts;
if (!priv->need_second_field) {
*data_size = sizeof(AVFrame);