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[mpi]: Change mpi return value meaning

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The 0 and positive return is success. The negative return is failure.

Change-Id: I9c4586286ce7368a52b7d9dd776fd40c6af4a1da
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
This commit is contained in:
Herman Chen
2021-04-08 09:01:40 +08:00
parent 078b4aab41
commit fc8fcacc49
1 changed files with 18 additions and 18 deletions
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36
inc/rk_mpi.h
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@@ -88,8 +88,8 @@ typedef struct MppApi_t {
* by mpp_init().
* @param[in] packet The input video stream, its usage can refer mpp_packet.h.
* @param[out] frame The output picture, its usage can refer mpp_frame.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*decode)(MppCtx ctx, MppPacket packet, MppFrame *frame);
/**
@@ -97,8 +97,8 @@ typedef struct MppApi_t {
* @param[in] ctx The context of mpp, created by mpp_create() and initiated
* by mpp_init().
* @param[in] packet The input video stream, its usage can refer mpp_packet.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*decode_put_packet)(MppCtx ctx, MppPacket packet);
/**
@@ -106,8 +106,8 @@ typedef struct MppApi_t {
* @param[in] ctx The context of mpp, created by mpp_create() and initiated
* by mpp_init().
* @param[out] frame The output picture, its usage can refer mpp_frame.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*decode_get_frame)(MppCtx ctx, MppFrame *frame);
/**
@@ -117,8 +117,8 @@ typedef struct MppApi_t {
* by mpp_init().
* @param[in] frame The input video data, its usage can refer mpp_frame.h.
* @param[out] packet The output compressed data, its usage can refer mpp_packet.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*encode)(MppCtx ctx, MppFrame frame, MppPacket *packet);
/**
@@ -126,8 +126,8 @@ typedef struct MppApi_t {
* @param[in] ctx The context of mpp, created by mpp_create() and initiated
* by mpp_init().
* @param[in] frame The input video data, its usage can refer mpp_frame.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*encode_put_frame)(MppCtx ctx, MppFrame frame);
/**
@@ -135,8 +135,8 @@ typedef struct MppApi_t {
* @param[in] ctx The context of mpp, created by mpp_create() and initiated
* by mpp_init().
* @param[out] packet The output compressed data, its usage can refer mpp_packet.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*encode_get_packet)(MppCtx ctx, MppPacket *packet);
@@ -160,8 +160,8 @@ typedef struct MppApi_t {
* by mpp_init().
* @param[in] type input port or output port which are both for data transaction
* @param[in] timeout mpp poll type, its usage can refer mpp_task.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*poll)(MppCtx ctx, MppPortType type, MppPollType timeout);
/**
@@ -170,8 +170,8 @@ typedef struct MppApi_t {
* by mpp_init().
* @param[in] type input port or output port which are both for data transaction
* @param[out] task MppTask popped from mpp task queue, its usage can refer mpp_task.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*dequeue)(MppCtx ctx, MppPortType type, MppTask *task);
/**
@@ -180,8 +180,8 @@ typedef struct MppApi_t {
* by mpp_init().
* @param[in] type input port or output port which are both for data transaction
* @param[in] task MppTask which is sent to mpp for process, its usage can refer mpp_task.h.
* @return 0 for success, others for failure. The return value is an
* error code. For details, please refer mpp_err.h.
* @return 0 and positive for success, negative for failure. The return
* value is an error code. For details, please refer mpp_err.h.
*/
MPP_RET (*enqueue)(MppCtx ctx, MppPortType type, MppTask task);