cfhdenc.c File Reference

Cineform HD video encoder. More...

#include <stddef.h>
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "bytestream.h"
#include "cfhd.h"
#include "cfhdencdsp.h"
#include "codec_internal.h"
#include "encode.h"
#include "put_bits.h"

Go to the source code of this file.

Data Structures
struct	Codebook
struct	Runbook
struct	PlaneEnc
struct	CFHDEncContext

Macros
#define	OFFSET(x)
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Functions
static av_cold int	cfhd_encode_init (AVCodecContext *avctx)
static void	quantize_band (int16_t *input, int width, int a_width, int height, unsigned quantization)
static int	put_runcode (PutBitContext *pb, int count, const Runbook *const rb)
static void	process_alpha (const int16_t *src, int width, int height, ptrdiff_t stride, int16_t *dst)
static int	cfhd_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
static av_cold int	cfhd_encode_close (AVCodecContext *avctx)

Variables
static const unsigned	codebook [256][2]
static const uint16_t	runbook [18][3]
static const uint16_t	quantization_per_subband [2][3][13][9]
static const AVOption	options []
static const AVClass	cfhd_class
const FFCodec	ff_cfhd_encoder

Detailed Description

Cineform HD video encoder.

Definition in file cfhdenc.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(CFHDEncContext, x)

Definition at line 828 of file cfhdenc.c.

VE

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 829 of file cfhdenc.c.

Function Documentation

cfhd_encode_init()

static av_cold int cfhd_encode_init ( AVCodecContext * avctx )

static

Definition at line 246 of file cfhdenc.c.

quantize_band()

static void quantize_band ( int16_t * input, int width, int a_width, int height, unsigned quantization )

static

Definition at line 380 of file cfhdenc.c.

Referenced by cfhd_encode_frame().

put_runcode()

static int put_runcode ( PutBitContext * pb, int count, const Runbook *const rb )

static

Definition at line 392 of file cfhdenc.c.

Referenced by cfhd_encode_frame().

process_alpha()

static void process_alpha ( const int16_t * src, int width, int height, ptrdiff_t stride, int16_t * dst )

static

Definition at line 404 of file cfhdenc.c.

Referenced by cfhd_encode_frame().

cfhd_encode_frame()

static int cfhd_encode_frame ( AVCodecContext * avctx, AVPacket * pkt, const AVFrame * frame, int * got_packet )

static

Definition at line 425 of file cfhdenc.c.

cfhd_encode_close()

static av_cold int cfhd_encode_close ( AVCodecContext * avctx )

static

Definition at line 808 of file cfhdenc.c.

Variable Documentation

codebook

const unsigned codebook[256][2]

static

Definition at line 41 of file cfhdenc.c.

Referenced by apply_filter(), avpriv_elbg_do(), cfhd_encode_init(), cinepak_decode_codebook(), codebook_bits(), codebook_bits_offset(), decode_lspf(), dequant_and_decompand(), encode_block(), encode_codebook(), encode_dcs(), encode_dcs(), encode_vlc_codeword(), encode_vlc_codeword(), estimate_dcs(), estimate_vlc(), fcb_excitation(), generate_codebook(), get_value(), quantize(), read_huff_channels(), set_best_codebook(), setup_classifs(), silk_decode_lpc(), svq1_decode_block_intra(), svq1_decode_block_non_intra(), vorbis_floor0_decode(), and vorbis_residue_decode_internal().

runbook

const uint16_t runbook[18][3]

static

Initial value:

= {
    {1,  0x0000,   1}, {2,  0x0000,   2}, {3,  0x0000,   3}, {4,  0x0000,   4},
    {5,  0x0000,   5}, {6,  0x0000,   6}, {7,  0x0000,   7}, {8,  0x0000,   8},
    {9,  0x0000,   9}, {10, 0x0000,  10}, {11, 0x0000,  11},
    {7,  0x0069,  12}, {8,  0x00D1,  20}, {9,  0x018A,  32},
    {10, 0x0343,  60}, {11, 0x0685, 100}, {13, 0x18BF, 180}, {13, 0x1BA5, 320},
}

Definition at line 97 of file cfhdenc.c.

Referenced by cfhd_encode_init().

quantization_per_subband

const uint16_t quantization_per_subband[2][3][13][9]

static

Definition at line 109 of file cfhdenc.c.

Referenced by cfhd_encode_frame().

options

const AVOption options[]

static

Initial value:

= {
    { "quality", "set quality", OFFSET(quality), AV_OPT_TYPE_INT,   {.i64= 0}, 0, 12, VE, .unit = "q" },
    { "film3+",   NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 0}, 0,  0, VE, .unit = "q" },
    { "film3",    NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 1}, 0,  0, VE, .unit = "q" },
    { "film2+",   NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 2}, 0,  0, VE, .unit = "q" },
    { "film2",    NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 3}, 0,  0, VE, .unit = "q" },
    { "film1.5",  NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 4}, 0,  0, VE, .unit = "q" },
    { "film1+",   NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 5}, 0,  0, VE, .unit = "q" },
    { "film1",    NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 6}, 0,  0, VE, .unit = "q" },
    { "high+",    NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 7}, 0,  0, VE, .unit = "q" },
    { "high",     NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 8}, 0,  0, VE, .unit = "q" },
    { "medium+",  NULL,         0,               AV_OPT_TYPE_CONST, {.i64= 9}, 0,  0, VE, .unit = "q" },
    { "medium",   NULL,         0,               AV_OPT_TYPE_CONST, {.i64=10}, 0,  0, VE, .unit = "q" },
    { "low+",     NULL,         0,               AV_OPT_TYPE_CONST, {.i64=11}, 0,  0, VE, .unit = "q" },
    { "low",      NULL,         0,               AV_OPT_TYPE_CONST, {.i64=12}, 0,  0, VE, .unit = "q" },
    { NULL},
}

Definition at line 830 of file cfhdenc.c.

cfhd_class

const AVClass cfhd_class

static

Initial value:

= {
    .class_name = "cfhd",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 848 of file cfhdenc.c.

ff_cfhd_encoder

const FFCodec ff_cfhd_encoder

Initial value:

= {
    .p.name           = "cfhd",
    CODEC_LONG_NAME("GoPro CineForm HD"),
    .p.type           = AVMEDIA_TYPE_VIDEO,
    .p.id             = AV_CODEC_ID_CFHD,
    .p.capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
                        AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .priv_data_size   = sizeof(CFHDEncContext),
    .p.priv_class     = &cfhd_class,
    .init             = cfhd_encode_init,
    .close            = cfhd_encode_close,
    FF_CODEC_ENCODE_CB(cfhd_encode_frame),
    CODEC_PIXFMTS(AV_PIX_FMT_YUV422P10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12),
    .color_ranges     = AVCOL_RANGE_MPEG,
    .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 855 of file cfhdenc.c.