proresenc_anatoliy.c File Reference

Apple ProRes encoder (Anatoliy Wasserman version) Known FOURCCs: 'ap4h' (444), 'apch' (HQ), 'apcn' (422), 'apcs' (LT), 'acpo' (Proxy) More...

#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "libavutil/mem_internal.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "encode.h"
#include "profiles.h"
#include "proresdata.h"
#include "put_bits.h"
#include "bytestream.h"
#include "fdctdsp.h"

Go to the source code of this file.

Data Structures
struct	ProresContext

Macros
#define	DEFAULT_SLICE_MB_WIDTH   8
#define	GET_SIGN(x)
#define	MAKE_CODE(x)
#define	OFFSET(x)
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Functions
static int	int_from_list_or_default (void *ctx, const char *val_name, int val, const int *array_valid_values, int default_value)
	Check if a value is in the list.
static void	encode_vlc_codeword (PutBitContext *pb, unsigned codebook, int val)
static void	encode_dcs (PutBitContext *pb, int16_t *blocks, int blocks_per_slice, int scale)
static void	encode_acs (PutBitContext *pb, int16_t *blocks, int blocks_per_slice, int *qmat, const uint8_t *scan)
static void	get (const uint8_t *pixels, int stride, int16_t *block)
static void	fdct_get (FDCTDSPContext *fdsp, const uint8_t *pixels, int stride, int16_t *block)
static void	calc_plane_dct (FDCTDSPContext *fdsp, const uint8_t *src, int16_t *blocks, int src_stride, int mb_count, int chroma, int is_422)
static int	encode_slice_plane (int16_t *blocks, int mb_count, uint8_t *buf, unsigned buf_size, int *qmat, int sub_sample_chroma, const uint8_t *scan)
static av_always_inline unsigned	encode_slice_data (AVCodecContext *avctx, int16_t *blocks_y, int16_t *blocks_u, int16_t *blocks_v, unsigned mb_count, uint8_t *buf, unsigned data_size, unsigned *y_data_size, unsigned *u_data_size, unsigned *v_data_size, int qp)
static void	put_alpha_diff (PutBitContext *pb, int cur, int prev)
static void	put_alpha_run (PutBitContext *pb, int run)
static av_always_inline int	encode_alpha_slice_data (AVCodecContext *avctx, int8_t *src_a, unsigned mb_count, uint8_t *buf, unsigned data_size, unsigned *a_data_size)
static void	subimage_with_fill_template (const uint16_t *src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t *dst, unsigned dst_width, unsigned dst_height, int is_alpha_plane, int is_interlaced, int is_top_field)
static void	subimage_with_fill (const uint16_t *src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t *dst, unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
static void	subimage_alpha_with_fill (const uint16_t *src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t *dst, unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
static int	encode_slice (AVCodecContext *avctx, const AVFrame *pic, int mb_x, int mb_y, unsigned mb_count, uint8_t *buf, unsigned data_size, int unsafe, int *qp, int is_interlaced, int is_top_field)
static int	prores_encode_picture (AVCodecContext *avctx, const AVFrame *pic, uint8_t *buf, const int buf_size, const int picture_index, const int is_top_field)
static int	prores_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
static void	scale_mat (const uint8_t *src, int *dst, int scale)
static av_cold int	prores_encode_init (AVCodecContext *avctx)
static av_cold int	prores_encode_close (AVCodecContext *avctx)

Variables
static const AVProfile	profiles []
static const int	qp_start_table [] = { 8, 3, 2, 1, 1, 1}
static const int	qp_end_table [] = { 13, 9, 6, 6, 5, 4}
static const int	bitrate_table [] = { 1000, 2100, 3500, 5400, 7000, 10000}
static const int	valid_primaries []
static const int	valid_trc []
static const int	valid_colorspace []
static const uint8_t	QMAT_LUMA [6][64]
static const uint8_t	QMAT_CHROMA [6][64]
static const AVOption	options []
static const AVClass	prores_enc_class
static enum AVPixelFormat	pix_fmts []
const FFCodec	ff_prores_aw_encoder
const FFCodec	ff_prores_encoder

Detailed Description

Apple ProRes encoder (Anatoliy Wasserman version) Known FOURCCs: 'ap4h' (444), 'apch' (HQ), 'apcn' (422), 'apcs' (LT), 'acpo' (Proxy)

Definition in file proresenc_anatoliy.c.

Macro Definition Documentation

DEFAULT_SLICE_MB_WIDTH

#define DEFAULT_SLICE_MB_WIDTH   8

Definition at line 43 of file proresenc_anatoliy.c.

Referenced by encode_slice(), prores_encode_init(), and prores_encode_picture().

GET_SIGN

#define GET_SIGN

(

x

)

Value:

((x) >> 31)

Definition at line 260 of file proresenc_anatoliy.c.

Referenced by encode_acs(), and encode_dcs().

MAKE_CODE

#define MAKE_CODE

(

x

)

Value:

(((x) * 2) ^ GET_SIGN(x))

Definition at line 261 of file proresenc_anatoliy.c.

Referenced by encode_dcs().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(ProresContext, x)

Definition at line 935 of file proresenc_anatoliy.c.

VE

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 936 of file proresenc_anatoliy.c.

Function Documentation

int_from_list_or_default()

static int int_from_list_or_default ( void * ctx, const char * val_name, int val, const int * array_valid_values, int default_value )

static

Check if a value is in the list.

If not, return the default value

Parameters

ctx	Context for the log msg
val_name	Name of the checked value, for log msg
array_valid_values	Array of valid int, ended with INT_MAX
default_value	Value return if checked value is not in the array

Returns

Value or default_value.

Definition at line 211 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame().

encode_vlc_codeword()

static void encode_vlc_codeword ( PutBitContext * pb, unsigned codebook, int val )

static

Definition at line 231 of file proresenc_anatoliy.c.

Referenced by encode_acs(), and encode_dcs().

encode_dcs()

static void encode_dcs ( PutBitContext * pb, int16_t * blocks, int blocks_per_slice, int scale )

static

Definition at line 263 of file proresenc_anatoliy.c.

Referenced by encode_slice_plane().

encode_acs()

static void encode_acs ( PutBitContext * pb, int16_t * blocks, int blocks_per_slice, int * qmat, const uint8_t * scan )

static

Definition at line 287 of file proresenc_anatoliy.c.

Referenced by encode_slice_plane().

get()

static void get ( const uint8_t * pixels, int stride, int16_t * block )

static

Definition at line 318 of file proresenc_anatoliy.c.

Referenced by decode_str(), fdct_get(), ff_framesync_get_frame(), and ff_packetsync_get_packet().

fdct_get()

static void fdct_get ( FDCTDSPContext * fdsp, const uint8_t * pixels, int stride, int16_t * block )

static

Definition at line 330 of file proresenc_anatoliy.c.

Referenced by calc_plane_dct().

calc_plane_dct()

static void calc_plane_dct ( FDCTDSPContext * fdsp, const uint8_t * src, int16_t * blocks, int src_stride, int mb_count, int chroma, int is_422 )

static

Definition at line 336 of file proresenc_anatoliy.c.

Referenced by encode_slice().

encode_slice_plane()

static int encode_slice_plane ( int16_t * blocks, int mb_count, uint8_t * buf, unsigned buf_size, int * qmat, int sub_sample_chroma, const uint8_t * scan )

static

Definition at line 373 of file proresenc_anatoliy.c.

Referenced by encode_slice_data().

encode_slice_data()

static av_always_inline unsigned encode_slice_data ( AVCodecContext * avctx, int16_t * blocks_y, int16_t * blocks_u, int16_t * blocks_v, unsigned mb_count, uint8_t * buf, unsigned data_size, unsigned * y_data_size, unsigned * u_data_size, unsigned * v_data_size, int qp )

static

Definition at line 389 of file proresenc_anatoliy.c.

Referenced by encode_slice().

put_alpha_diff()

static void put_alpha_diff ( PutBitContext * pb, int cur, int prev )

static

Definition at line 410 of file proresenc_anatoliy.c.

Referenced by encode_alpha_slice_data().

put_alpha_run()

static void put_alpha_run ( PutBitContext * pb, int run )

inlinestatic

Definition at line 430 of file proresenc_anatoliy.c.

Referenced by encode_alpha_slice_data().

encode_alpha_slice_data()

static av_always_inline int encode_alpha_slice_data ( AVCodecContext * avctx, int8_t * src_a, unsigned mb_count, uint8_t * buf, unsigned data_size, unsigned * a_data_size )

static

Definition at line 443 of file proresenc_anatoliy.c.

Referenced by encode_slice().

subimage_with_fill_template()

static void subimage_with_fill_template ( const uint16_t * src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t * dst, unsigned dst_width, unsigned dst_height, int is_alpha_plane, int is_interlaced, int is_top_field )

inlinestatic

Definition at line 483 of file proresenc_anatoliy.c.

Referenced by subimage_alpha_with_fill(), and subimage_with_fill().

subimage_with_fill()

static void subimage_with_fill ( const uint16_t * src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t * dst, unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field )

static

Definition at line 531 of file proresenc_anatoliy.c.

Referenced by encode_slice().

subimage_alpha_with_fill()

static void subimage_alpha_with_fill ( const uint16_t * src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t * dst, unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field )

static

Definition at line 539 of file proresenc_anatoliy.c.

Referenced by encode_slice().

encode_slice()

static int encode_slice ( AVCodecContext * avctx, const AVFrame * pic, int mb_x, int mb_y, unsigned mb_count, uint8_t * buf, unsigned data_size, int unsafe, int * qp, int is_interlaced, int is_top_field )

static

Definition at line 546 of file proresenc_anatoliy.c.

Referenced by prores_encode_picture().

prores_encode_picture()

static int prores_encode_picture ( AVCodecContext * avctx, const AVFrame * pic, uint8_t * buf, const int buf_size, const int picture_index, const int is_top_field )

static

Definition at line 664 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame().

prores_encode_frame()

static int prores_encode_frame ( AVCodecContext * avctx, AVPacket * pkt, const AVFrame * pict, int * got_packet )

static

Definition at line 728 of file proresenc_anatoliy.c.

scale_mat()

static void scale_mat ( const uint8_t * src, int * dst, int scale )

static

Definition at line 808 of file proresenc_anatoliy.c.

Referenced by prores_encode_init().

prores_encode_init()

static av_cold int prores_encode_init ( AVCodecContext * avctx )

static

Definition at line 815 of file proresenc_anatoliy.c.

prores_encode_close()

static av_cold int prores_encode_close ( AVCodecContext * avctx )

static

Definition at line 926 of file proresenc_anatoliy.c.

Variable Documentation

profiles

const AVProfile profiles[]

static

Initial value:

= {
    { AV_PROFILE_PRORES_PROXY,    "apco"},
    { AV_PROFILE_PRORES_LT,       "apcs"},
    { AV_PROFILE_PRORES_STANDARD, "apcn"},
    { AV_PROFILE_PRORES_HQ,       "apch"},
    { AV_PROFILE_PRORES_4444,     "ap4h"},
    { AV_PROFILE_PRORES_XQ,       "ap4x"},
    { AV_PROFILE_UNKNOWN }
}

Definition at line 45 of file proresenc_anatoliy.c.

qp_start_table

const int qp_start_table[] = { 8, 3, 2, 1, 1, 1}

static

Definition at line 55 of file proresenc_anatoliy.c.

Referenced by encode_slice(), and prores_encode_picture().

qp_end_table

const int qp_end_table[] = { 13, 9, 6, 6, 5, 4}

static

Definition at line 56 of file proresenc_anatoliy.c.

Referenced by encode_slice().

bitrate_table

const int bitrate_table[] = { 1000, 2100, 3500, 5400, 7000, 10000}

static

Definition at line 57 of file proresenc_anatoliy.c.

Referenced by encode_slice().

valid_primaries

const int valid_primaries[]

static

Initial value:

= { AVCOL_PRI_RESERVED0, AVCOL_PRI_BT709, AVCOL_PRI_UNSPECIFIED, AVCOL_PRI_BT470BG,
                                        AVCOL_PRI_SMPTE170M, AVCOL_PRI_BT2020, AVCOL_PRI_SMPTE431, AVCOL_PRI_SMPTE432, INT_MAX }

Definition at line 59 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame().

valid_trc

const int valid_trc[]

static

Initial value:

= { AVCOL_TRC_RESERVED0, AVCOL_TRC_BT709, AVCOL_TRC_UNSPECIFIED, AVCOL_TRC_SMPTE2084,
                                        AVCOL_TRC_ARIB_STD_B67, INT_MAX }

Definition at line 61 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame().

valid_colorspace

const int valid_colorspace[]

static

Initial value:

= { AVCOL_SPC_BT709, AVCOL_SPC_UNSPECIFIED, AVCOL_SPC_SMPTE170M,
                                        AVCOL_SPC_BT2020_NCL, INT_MAX }

Definition at line 63 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame().

QMAT_LUMA

const uint8_t QMAT_LUMA[6][64]

static

Definition at line 66 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame(), and prores_encode_init().

QMAT_CHROMA

const uint8_t QMAT_CHROMA[6][64]

static

Definition at line 124 of file proresenc_anatoliy.c.

Referenced by prores_encode_frame(), and prores_encode_init().

options

const AVOption options[]

static

Initial value:

= {
    { "vendor", "vendor ID", OFFSET(vendor), AV_OPT_TYPE_STRING, { .str = "fmpg" }, 0, 0, VE },
    { NULL }
}

Definition at line 938 of file proresenc_anatoliy.c.

prores_enc_class

const AVClass prores_enc_class

static

Initial value:

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

Definition at line 943 of file proresenc_anatoliy.c.

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_NONE
}

Definition at line 950 of file proresenc_anatoliy.c.

ff_prores_aw_encoder

const FFCodec ff_prores_aw_encoder

Initial value:

= {
    .p.name         = "prores_aw",
    CODEC_LONG_NAME("Apple ProRes"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_PRORES,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
                      AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    CODEC_PIXFMTS_ARRAY(pix_fmts),
    .color_ranges   = AVCOL_RANGE_MPEG,
    .priv_data_size = sizeof(ProresContext),
    .init           = prores_encode_init,
    .close          = prores_encode_close,
    FF_CODEC_ENCODE_CB(prores_encode_frame),
    .p.priv_class   = &prores_enc_class,
    .p.profiles     = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 955 of file proresenc_anatoliy.c.

ff_prores_encoder

const FFCodec ff_prores_encoder

Initial value:

= {
    .p.name         = "prores",
    CODEC_LONG_NAME("Apple ProRes"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_PRORES,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
                      AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    CODEC_PIXFMTS_ARRAY(pix_fmts),
    .color_ranges   = AVCOL_RANGE_MPEG,
    .priv_data_size = sizeof(ProresContext),
    .init           = prores_encode_init,
    .close          = prores_encode_close,
    FF_CODEC_ENCODE_CB(prores_encode_frame),
    .p.priv_class   = &prores_enc_class,
    .p.profiles     = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 973 of file proresenc_anatoliy.c.