mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
2.9 KiB
105 lines
2.9 KiB
/* |
|
* Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com > |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* @file |
|
* data structures common to libdirac and libschroedinger |
|
*/ |
|
|
|
#ifndef AVCODEC_LIBDIRAC_LIBSCHRO_H |
|
#define AVCODEC_LIBDIRAC_LIBSCHRO_H |
|
|
|
#include "avcodec.h" |
|
|
|
typedef struct { |
|
uint16_t width; |
|
uint16_t height; |
|
uint16_t frame_rate_num; |
|
uint16_t frame_rate_denom; |
|
} FfmpegDiracSchroVideoFormatInfo; |
|
|
|
/** |
|
* Returns the index into the Dirac Schro common video format info table |
|
*/ |
|
unsigned int ff_dirac_schro_get_video_format_idx(AVCodecContext *avccontext); |
|
|
|
/** |
|
* contains a single encoded frame returned from Dirac or Schroedinger |
|
*/ |
|
typedef struct FfmpegDiracSchroEncodedFrame { |
|
/** encoded frame data */ |
|
uint8_t *p_encbuf; |
|
|
|
/** encoded frame size */ |
|
uint32_t size; |
|
|
|
/** encoded frame number. Will be used as pts */ |
|
uint32_t frame_num; |
|
|
|
/** key frame flag. 1 : is key frame , 0 : in not key frame */ |
|
uint16_t key_frame; |
|
} FfmpegDiracSchroEncodedFrame; |
|
|
|
/** |
|
* queue element |
|
*/ |
|
typedef struct FfmpegDiracSchroQueueElement { |
|
/** Data to be stored in queue*/ |
|
void *data; |
|
/** Pointer to next element queue */ |
|
struct FfmpegDiracSchroQueueElement *next; |
|
} FfmpegDiracSchroQueueElement; |
|
|
|
|
|
/** |
|
* A simple queue implementation used in libdirac and libschroedinger |
|
*/ |
|
typedef struct FfmpegDiracSchroQueue { |
|
/** Pointer to head of queue */ |
|
FfmpegDiracSchroQueueElement *p_head; |
|
/** Pointer to tail of queue */ |
|
FfmpegDiracSchroQueueElement *p_tail; |
|
/** Queue size*/ |
|
int size; |
|
} FfmpegDiracSchroQueue; |
|
|
|
/** |
|
* Initialise the queue |
|
*/ |
|
void ff_dirac_schro_queue_init(FfmpegDiracSchroQueue *queue); |
|
|
|
/** |
|
* Add an element to the end of the queue |
|
*/ |
|
int ff_dirac_schro_queue_push_back(FfmpegDiracSchroQueue *queue, void *p_data); |
|
|
|
/** |
|
* Return the first element in the queue |
|
*/ |
|
void *ff_dirac_schro_queue_pop(FfmpegDiracSchroQueue *queue); |
|
|
|
/** |
|
* Free the queue resources. free_func is a function supplied by the caller to |
|
* free any resources allocated by the caller. The data field of the queue |
|
* element is passed to it. |
|
*/ |
|
void ff_dirac_schro_queue_free(FfmpegDiracSchroQueue *queue, |
|
void (*free_func)(void *)); |
|
#endif /* AVCODEC_LIBDIRAC_LIBSCHRO_H */
|
|
|