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105 lines
2.9 KiB
105 lines
2.9 KiB
/* |
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* Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com > |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* data structures common to libdirac and libschroedinger |
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*/ |
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#ifndef AVCODEC_LIBDIRAC_LIBSCHRO_H |
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#define AVCODEC_LIBDIRAC_LIBSCHRO_H |
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#include "avcodec.h" |
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typedef struct { |
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uint16_t width; |
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uint16_t height; |
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uint16_t frame_rate_num; |
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uint16_t frame_rate_denom; |
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} DiracSchroVideoFormatInfo; |
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/** |
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* Returns the index into the Dirac Schro common video format info table |
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*/ |
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unsigned int ff_dirac_schro_get_video_format_idx(AVCodecContext *avccontext); |
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/** |
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* contains a single encoded frame returned from Dirac or Schroedinger |
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*/ |
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typedef struct DiracSchroEncodedFrame { |
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/** encoded frame data */ |
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uint8_t *p_encbuf; |
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/** encoded frame size */ |
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uint32_t size; |
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/** encoded frame number. Will be used as pts */ |
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uint32_t frame_num; |
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/** key frame flag. 1 : is key frame , 0 : in not key frame */ |
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uint16_t key_frame; |
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} DiracSchroEncodedFrame; |
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/** |
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* queue element |
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*/ |
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typedef struct DiracSchroQueueElement { |
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/** Data to be stored in queue*/ |
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void *data; |
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/** Pointer to next element queue */ |
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struct DiracSchroQueueElement *next; |
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} DiracSchroQueueElement; |
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/** |
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* A simple queue implementation used in libdirac and libschroedinger |
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*/ |
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typedef struct DiracSchroQueue { |
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/** Pointer to head of queue */ |
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DiracSchroQueueElement *p_head; |
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/** Pointer to tail of queue */ |
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DiracSchroQueueElement *p_tail; |
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/** Queue size*/ |
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int size; |
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} DiracSchroQueue; |
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/** |
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* Initialise the queue |
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*/ |
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void ff_dirac_schro_queue_init(DiracSchroQueue *queue); |
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/** |
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* Add an element to the end of the queue |
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*/ |
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int ff_dirac_schro_queue_push_back(DiracSchroQueue *queue, void *p_data); |
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/** |
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* Return the first element in the queue |
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*/ |
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void *ff_dirac_schro_queue_pop(DiracSchroQueue *queue); |
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/** |
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* Free the queue resources. free_func is a function supplied by the caller to |
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* free any resources allocated by the caller. The data field of the queue |
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* element is passed to it. |
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*/ |
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void ff_dirac_schro_queue_free(DiracSchroQueue *queue, |
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void (*free_func)(void *)); |
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#endif /* AVCODEC_LIBDIRAC_LIBSCHRO_H */
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