libavcodec/libschroedinger.h

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/*
 * 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
 */

#ifndef AVCODEC_LIBSCHROEDINGER_H
#define AVCODEC_LIBSCHROEDINGER_H

#include <schroedinger/schrobitstream.h>
#include <schroedinger/schroframe.h>

#include "avcodec.h"

typedef struct {
    uint16_t width;
    uint16_t height;
    uint16_t frame_rate_num;
    uint16_t frame_rate_denom;
} SchroVideoFormatInfo;

typedef struct FFSchroEncodedFrame {
    uint8_t *p_encbuf;

    uint32_t size;

    uint32_t frame_num;

    uint16_t key_frame;
} FFSchroEncodedFrame;

typedef struct FFSchroQueueElement {
    void *data;
    struct FFSchroQueueElement *next;
} FFSchroQueueElement;


typedef struct FFSchroQueue {
    FFSchroQueueElement *p_head;
    FFSchroQueueElement *p_tail;
    int size;
} FFSchroQueue;

void ff_schro_queue_init(FFSchroQueue *queue);

int ff_schro_queue_push_back(FFSchroQueue *queue, void *p_data);

void *ff_schro_queue_pop(FFSchroQueue *queue);

void ff_schro_queue_free(FFSchroQueue *queue, void (*free_func)(void *));

static const struct {
    enum PixelFormat  ff_pix_fmt;
    SchroChromaFormat schro_pix_fmt;
    SchroFrameFormat  schro_frame_fmt;
} schro_pixel_format_map[] = {
    { PIX_FMT_YUV420P, SCHRO_CHROMA_420, SCHRO_FRAME_FORMAT_U8_420 },
    { PIX_FMT_YUV422P, SCHRO_CHROMA_422, SCHRO_FRAME_FORMAT_U8_422 },
    { PIX_FMT_YUV444P, SCHRO_CHROMA_444, SCHRO_FRAME_FORMAT_U8_444 },
};

SchroVideoFormatEnum ff_get_schro_video_format_preset (AVCodecContext *avccontext);

int ff_get_schro_frame_format(SchroChromaFormat schro_chroma_fmt,
                              SchroFrameFormat  *schro_frame_fmt);

SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
                                  SchroFrameFormat schro_frame_fmt);

#endif /* AVCODEC_LIBSCHROEDINGER_H */

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