vp6.c File Reference

VP6 compatible video decoder. More...

#include <stdlib.h>
#include "avcodec.h"
#include "get_bits.h"
#include "huffman.h"
#include "internal.h"
#include "vp56.h"
#include "vp56data.h"
#include "vp6data.h"

Macros
#define	VP6_MAX_HUFF_SIZE   12

Variables
AVCodec	ff_vp6_decoder
AVCodec	ff_vp6f_decoder
AVCodec	ff_vp6a_decoder

Detailed Description

VP6 compatible video decoder.

The VP6F decoder accepts an optional 1 byte extradata. It is composed of:

• upper 4 bits: difference between encoded width and visible width
• lower 4 bits: difference between encoded height and visible height

Variable Documentation

ff_vp6_decoder

AVCodec ff_vp6_decoder

Initial value:

= {
    .name           = "vp6",
    .long_name      = NULL_IF_CONFIG_SMALL("On2 VP6"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_VP6,
    .priv_data_size = sizeof(VP56Context),
    .init           = vp6_decode_init,
    .close          = vp6_decode_free,
    .decode         = ff_vp56_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}

ff_vp6a_decoder

AVCodec ff_vp6a_decoder

Initial value:

= {
    .name           = "vp6a",
    .long_name      = NULL_IF_CONFIG_SMALL("On2 VP6 (Flash version, with alpha channel)"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_VP6A,
    .priv_data_size = sizeof(VP56Context),
    .init           = vp6_decode_init,
    .close          = vp6_decode_free,
    .decode         = ff_vp56_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SLICE_THREADS,
}

ff_vp6f_decoder

AVCodec ff_vp6f_decoder

Initial value:

= {
    .name           = "vp6f",
    .long_name      = NULL_IF_CONFIG_SMALL("On2 VP6 (Flash version)"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_VP6F,
    .priv_data_size = sizeof(VP56Context),
    .init           = vp6_decode_init,
    .close          = vp6_decode_free,
    .decode         = ff_vp56_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}