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2025-08-22 13:52:24 +08:00
commit 05a551d523
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+/*
+ * Copyright 2015 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __MPP_PACKET_H__
+#define __MPP_PACKET_H__
+
+#include "mpp_meta.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * MppPacket interface
+ *
+ * mpp_packet_init = mpp_packet_new + mpp_packet_set_data + mpp_packet_set_size
+ * mpp_packet_copy_init = mpp_packet_init + memcpy
+ */
+MPP_RET mpp_packet_new(MppPacket *packet);
+MPP_RET mpp_packet_init(MppPacket *packet, void *data, size_t size);
+MPP_RET mpp_packet_init_with_buffer(MppPacket *packet, MppBuffer buffer);
+MPP_RET mpp_packet_copy_init(MppPacket *packet, const MppPacket src);
+MPP_RET mpp_packet_deinit(MppPacket *packet);
+
+/*
+ * data   : ( R/W ) start address of the whole packet memory
+ * size   : ( R/W ) total size of the whole packet memory
+ * pos    : ( R/W ) current access position of the whole packet memory, used for buffer read/write
+ * length : ( R/W ) the rest length from current position to end of buffer
+ *                  NOTE: normally length is updated only by set_pos,
+ *                        so set length must be used carefully for special usage
+ */
+void    mpp_packet_set_data(MppPacket packet, void *data);
+void    mpp_packet_set_size(MppPacket packet, size_t size);
+void    mpp_packet_set_pos(MppPacket packet, void *pos);
+void    mpp_packet_set_length(MppPacket packet, size_t size);
+
+void*   mpp_packet_get_data(const MppPacket packet);
+void*   mpp_packet_get_pos(const MppPacket packet);
+size_t  mpp_packet_get_size(const MppPacket packet);
+size_t  mpp_packet_get_length(const MppPacket packet);
+
+
+void    mpp_packet_set_pts(MppPacket packet, RK_S64 pts);
+RK_S64  mpp_packet_get_pts(const MppPacket packet);
+void    mpp_packet_set_dts(MppPacket packet, RK_S64 dts);
+RK_S64  mpp_packet_get_dts(const MppPacket packet);
+
+void    mpp_packet_set_flag(MppPacket packet, RK_U32 flag);
+RK_U32  mpp_packet_get_flag(const MppPacket packet);
+
+MPP_RET mpp_packet_set_eos(MppPacket packet);
+MPP_RET mpp_packet_clr_eos(MppPacket packet);
+RK_U32  mpp_packet_get_eos(MppPacket packet);
+MPP_RET mpp_packet_set_extra_data(MppPacket packet);
+
+void        mpp_packet_set_buffer(MppPacket packet, MppBuffer buffer);
+MppBuffer   mpp_packet_get_buffer(const MppPacket packet);
+
+/*
+ * data access interface
+ */
+MPP_RET mpp_packet_read(MppPacket packet, size_t offset, void *data, size_t size);
+MPP_RET mpp_packet_write(MppPacket packet, size_t offset, void *data, size_t size);
+
+/*
+ * meta data access interface
+ */
+MppMeta mpp_packet_get_meta(const MppPacket packet);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__MPP_PACKET_H__*/