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https://github.com/libretro/RetroArch
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1e54379141
Simply use two packet_buffers that are double-linked lists of AVPacket structs. This way we can control which packets to feed to the decoders at the right time. This solves the playback problem with the MP4 files.
111 lines
2.2 KiB
C
111 lines
2.2 KiB
C
#ifndef __LIBRETRO_SDK_PACKETBUFFER_H__
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#define __LIBRETRO_SDK_PACKETBUFFER_H__
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#include <retro_common_api.h>
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#include <boolean.h>
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#include <stdint.h>
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#include <libavcodec/avcodec.h>
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#include <retro_miscellaneous.h>
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RETRO_BEGIN_DECLS
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/**
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* packet_buffer
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*
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* Just a simple double linked list for AVPackets.
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*
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*/
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struct packet_buffer;
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typedef struct packet_buffer packet_buffer_t;
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/**
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* packet_buffer_create:
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*
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* Create a packet_buffer.
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*
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* Returns: A packet buffer.
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*/
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packet_buffer_t *packet_buffer_create();
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/**
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* packet_buffer_destroy:
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* @packet_buffer : packet buffer
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*
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* Destroys a packet buffer.
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*
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**/
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void packet_buffer_destroy(packet_buffer_t *packet_buffer);
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/**
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* packet_buffer_clear:
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* @packet_buffer : packet buffer
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*
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* Clears a packet buffer by re-creating it.
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*
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**/
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void packet_buffer_clear(packet_buffer_t **packet_buffer);
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/**
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* packet_buffer_empty:
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* @packet_buffer : packet buffer
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*
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* Return true if the buffer is empty;
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*
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**/
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bool packet_buffer_empty(packet_buffer_t *packet_buffer);
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/**
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* packet_buffer_size:
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* @packet_buffer : packet buffer
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*
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* Returns the number of AVPackets the buffer currently
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* holds.
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*
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**/
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size_t packet_buffer_size(packet_buffer_t *packet_buffer);
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/**
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* packet_buffer_add_packet:
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* @packet_buffer : packet buffer
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* @pkt : packet
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*
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* Copies the given packet into the selected buffer.
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*
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**/
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void packet_buffer_add_packet(packet_buffer_t *packet_buffer, AVPacket *pkt);
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/**
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* packet_buffer_get_packet:
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* @packet_buffer : packet buffer
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* @pkt : packet
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*
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* Get the next packet. User needs to unref the packet with av_packet_unref().
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*
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**/
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void packet_buffer_get_packet(packet_buffer_t *packet_buffer, AVPacket *pkt);
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/**
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* packet_buffer_peek_start_pts:
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* @packet_buffer : packet buffer
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*
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* Returns the start pts of the next packet in the buffer.
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*
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**/
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int64_t packet_buffer_peek_start_pts(packet_buffer_t *packet_buffer);
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/**
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* packet_buffer_peek_end_pts:
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* @packet_buffer : packet buffer
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*
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* Returns the end pts of the next packet in the buffer.
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*
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**/
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int64_t packet_buffer_peek_end_pts(packet_buffer_t *packet_buffer);
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RETRO_END_DECLS
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#endif
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