40 #define DNX10BIT_QMAT_SHIFT 18 41 #define RC_VARIANCE 1 // use variance or ssd for fast rc 42 #define LAMBDA_FRAC_BITS 10 44 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM 46 {
"nitris_compat",
"encode with Avid Nitris compatibility",
48 {
"ibias",
"intra quant bias",
66 for (i = 0; i < 4; i++) {
78 memcpy(block, block - 8,
sizeof(*block) * 8);
79 memcpy(block + 8, block - 16,
sizeof(*block) * 8);
80 memcpy(block + 16, block - 24,
sizeof(*block) * 8);
81 memcpy(block + 24, block - 32,
sizeof(*block) * 8);
93 for (i = 0; i < 4; i++) {
94 memcpy(block + i * 8, pixels + i * line_size, 8 *
sizeof(*block));
95 memcpy(block - (i + 1) * 8, pixels + i * line_size, 8 *
sizeof(*block));
100 int n,
int qscale,
int *overflow)
104 int last_non_zero = 0;
110 block[0] = (block[0] + 2) >> 2;
112 for (i = 1; i < 64; ++i) {
113 int j = scantable[i];
115 int level = (block[j] ^ sign) - sign;
117 block[j] = (level ^ sign) - sign;
122 return last_non_zero;
141 for (level = -max_level; level < max_level; level++) {
142 for (run = 0; run < 2; run++) {
143 int index = (level << 1) | run;
144 int sign, offset = 0, alevel =
level;
148 offset = (alevel - 1) >> 6;
149 alevel -= offset << 6;
151 for (j = 0; j < 257; j++) {
167 assert(!alevel || j < 257);
175 for (i = 0; i < 62; i++) {
189 uint16_t weight_matrix[64] = { 1, };
199 (ctx->
m.
avctx->
qmax + 1) * 64 * 2 *
sizeof(uint16_t),
202 (ctx->
m.
avctx->
qmax + 1) * 64 * 2 *
sizeof(uint16_t),
206 for (i = 1; i < 64; i++) {
213 for (i = 1; i < 64; i++) {
221 for (qscale = 1; qscale <= ctx->
m.
avctx->
qmax; qscale++) {
222 for (i = 0; i < 64; i++) {
233 for (qscale = 1; qscale <= ctx->
m.
avctx->
qmax; qscale++) {
234 for (i = 1; i < 64; i++) {
249 (qscale * luma_weight_table[i]);
251 (qscale * chroma_weight_table[i]);
292 "Pixel format is incompatible with DNxHD, use yuv422p or yuv422p10.\n");
299 "Video parameters incompatible with DNxHD, available CIDs:\n");
346 #if FF_API_QUANT_BIAS 375 #if FF_API_CODED_FRAME 401 static const uint8_t header_prefix[5] = { 0x00, 0x00, 0x02, 0x80, 0x01 };
405 memcpy(buf, header_prefix, 5);
425 ctx->
msip = buf + 0x170;
440 (diff & ((1 << nbits) - 1)));
445 int last_index,
int n)
447 int last_non_zero = 0;
453 for (i = 1; i <= last_index; i++) {
457 int run_level = i - last_non_zero - 1;
458 int rlevel = (slevel << 1) | !!run_level;
471 int qscale,
int last_index)
480 for (i = 1; i <= last_index; i++) {
485 level = (1 - 2 *
level) * qscale * weight_matrix[i];
487 if (weight_matrix[i] != 8)
491 if (weight_matrix[i] != 32)
497 level = (2 * level + 1) * qscale * weight_matrix[i];
499 if (weight_matrix[i] != 8)
503 if (weight_matrix[i] != 32)
517 for (i = 0; i < 64; i++)
518 score += (block[i] - qblock[i]) * (block[i] - qblock[i]);
525 int last_non_zero = 0;
528 for (i = 1; i <= last_index; i++) {
532 int run_level = i - last_non_zero - 1;
533 bits += ctx->
vlc_bits[(level << 1) |
534 !!run_level] + ctx->
run_bits[run_level];
545 const int bw = 1 << bs;
547 ((mb_y << 4) * ctx->
m.
linesize) + (mb_x << bs + 1);
606 int jobnr,
int threadnr)
609 int mb_y = jobnr, mb_x;
612 ctx = ctx->
thread[threadnr];
618 for (mb_x = 0; mb_x < ctx->
m.
mb_width; mb_x++) {
619 unsigned mb = mb_y * ctx->
m.
mb_width + mb_x;
627 for (i = 0; i < 8; i++) {
628 int16_t *src_block = ctx->
blocks[i];
629 int overflow, nbits, diff, last_index;
632 memcpy(
block, src_block, 64 *
sizeof(*
block));
655 ctx->
mb_rc[qscale][mb].
bits = ac_bits + dc_bits + 12 +
662 int jobnr,
int threadnr)
665 int mb_y = jobnr, mb_x;
666 ctx = ctx->
thread[threadnr];
673 for (mb_x = 0; mb_x < ctx->
m.
mb_width; mb_x++) {
674 unsigned mb = mb_y * ctx->
m.
mb_width + mb_x;
682 for (i = 0; i < 8; i++) {
702 for (mb_y = 0; mb_y < ctx->
m.
mb_height; mb_y++) {
706 for (mb_x = 0; mb_x < ctx->
m.
mb_width; mb_x++) {
707 unsigned mb = mb_y * ctx->
m.
mb_width + mb_x;
713 offset += thread_size;
718 int jobnr,
int threadnr)
721 int mb_y = jobnr, mb_x, x, y;
722 int partial_last_row = (mb_y == ctx->
m.
mb_height - 1) &&
725 ctx = ctx->
thread[threadnr];
728 for (mb_x = 0; mb_x < ctx->
m.
mb_width; ++mb_x, pix += 16) {
729 unsigned mb = mb_y * ctx->
m.
mb_width + mb_x;
733 if (!partial_last_row && mb_x * 16 <= avctx->
width - 16) {
740 for (y = 0; y < bh; y++) {
741 for (x = 0; x < bw; x++) {
748 varc = (varc - (((unsigned) sum * sum) >> 8) + 128) >> 8;
754 const int linesize = ctx->
m.
linesize >> 1;
755 for (mb_x = 0; mb_x < ctx->
m.
mb_width; ++mb_x) {
756 uint16_t *pix = (uint16_t *)ctx->
thread[0]->
src[0] +
757 ((mb_y << 4) * linesize) + (mb_x << 4);
758 unsigned mb = mb_y * ctx->
m.
mb_width + mb_x;
764 for (i = 0; i < 16; ++i) {
765 for (j = 0; j < 16; ++j) {
767 const int sample = (unsigned) pix[j] >> 6;
785 int lambda, up_step, down_step;
786 int last_lower = INT_MAX, last_higher = 0;
789 for (q = 1; q < avctx->
qmax; q++) {
800 if (lambda == last_higher) {
806 unsigned min = UINT_MAX;
809 for (q = 1; q < avctx->
qmax; q++) {
810 unsigned score = ctx->
mb_rc[q][mb].
bits * lambda +
821 bits = (bits + 31) & ~31;
833 if (bits < ctx->frame_bits) {
834 last_lower =
FFMIN(lambda, last_lower);
835 if (last_higher != 0)
836 lambda = (lambda+last_higher)>>1;
839 down_step =
FFMIN((int64_t)down_step*5, INT_MAX);
841 lambda =
FFMAX(1, lambda);
842 if (lambda == last_lower)
845 last_higher =
FFMAX(lambda, last_higher);
846 if (last_lower != INT_MAX)
847 lambda = (lambda+last_lower)>>1;
848 else if ((int64_t)lambda + up_step > INT_MAX)
852 up_step =
FFMIN((int64_t)up_step*5, INT_MAX);
867 int last_lower = INT_MAX;
881 bits = (bits+31)&~31;
889 if (bits < ctx->frame_bits) {
892 if (last_higher == qscale - 1) {
893 qscale = last_higher;
896 last_lower =
FFMIN(qscale, last_lower);
897 if (last_higher != 0)
898 qscale = (qscale + last_higher) >> 1;
900 qscale -= down_step++;
905 if (last_lower == qscale + 1)
907 last_higher =
FFMAX(qscale, last_higher);
908 if (last_lower != INT_MAX)
909 qscale = (qscale + last_lower) >> 1;
922 #define BUCKET_BITS 8 923 #define RADIX_PASSES 4 924 #define NBUCKETS (1 << BUCKET_BITS) 937 memset(buckets, 0,
sizeof(buckets[0][0]) *
RADIX_PASSES * NBUCKETS);
938 for (i = 0; i <
size; i++) {
939 int v = data[i].
value;
948 for (i = NBUCKETS - 1; i >= 0; i--)
949 buckets[j][i] = offset -= buckets[j][i];
950 assert(!buckets[j][0]);
959 for (i = 0; i <
size; i++) {
961 int pos = buckets[v]++;
1033 #if FF_API_CODED_FRAME 1042 const AVFrame *frame,
int *got_packet)
1051 "output buffer is too small to compress picture\n");
1059 for (i = 0; i < 3; i++) {
1073 "picture could not fit ratecontrol constraints, increase qmax\n");
1089 memset(buf + 640 + offset, 0,
1098 goto encode_coding_unit;
1101 #if FF_API_CODED_FRAME 1161 .priv_class = &
class,
static av_always_inline int dnxhd_ssd_block(int16_t *qblock, int16_t *block)
#define MASK_ABS(mask, level)
static void radix_count(const RCCMPEntry *data, int size, int buckets[RADIX_PASSES][NBUCKETS])
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
attribute_deprecated int intra_quant_bias
static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y)
This structure describes decoded (raw) audio or video data.
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
const uint8_t * luma_weight
void(* clear_block)(int16_t *block)
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
const CIDEntry ff_dnxhd_cid_table[]
const uint16_t * run_codes
void ff_convert_matrix(MpegEncContext *s, int(*qmat)[64], uint16_t(*qmat16)[2][64], const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_always_inline void dnxhd_encode_dc(DNXHDEncContext *ctx, int diff)
static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx)
int ff_dnxhd_find_cid(AVCodecContext *avctx, int bit_depth)
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
static const AVOption options[]
int mb_num
number of MBs of a picture
av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
struct DNXHDEncContext * thread[MAX_THREADS]
static av_always_inline int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, int16_t *block, int last_index)
int h263_aic
Advanced INTRA Coding (AIC)
Macro definitions for various function/variable attributes.
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
av_cold void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c, AVCodecContext *avctx)
static int get_bucket(int value, int shift)
static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx)
static void radix_sort_pass(RCCMPEntry *dst, const RCCMPEntry *data, int size, int buckets[NBUCKETS], int pass)
const uint8_t * scantable
int interlaced_frame
The content of the picture is interlaced.
av_cold void ff_mpv_idct_init(MpegEncContext *s)
int mb_height
number of MBs horizontally & vertically
static av_cold int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias)
unsigned int coding_unit_size
high precision timer, useful to profile code
const uint8_t * ac_index_flag
static av_cold int dnxhd_encode_end(AVCodecContext *avctx)
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
int(* q_intra_matrix)[64]
precomputed matrix (combine qscale and DCT renorm)
static av_always_inline int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i)
const uint16_t * ac_codes
static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
int ff_dnxhd_get_cid_table(int cid)
int last_dc[3]
last DC values for MPEG-1
static int dnxhd_find_qscale(DNXHDEncContext *ctx)
void(* get_pixels_8x4_sym)(int16_t *, const uint8_t *, ptrdiff_t)
void(* get_pixels)(int16_t *block, const uint8_t *pixels, int line_size)
int qmax
maximum quantizer
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static av_always_inline void dnxhd_unquantize_c(DNXHDEncContext *ctx, int16_t *block, int n, int qscale, int last_index)
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
int flags
AV_CODEC_FLAG_*.
static int dnxhd_write_header(AVCodecContext *avctx, uint8_t *buf)
MpegvideoEncDSPContext mpvencdsp
const char * name
Name of the codec implementation.
static void put_bits(PutBitContext *s, int n, unsigned int value)
Write up to 31 bits into a bitstream.
int(* pix_norm1)(uint8_t *pix, int line_size)
int(* pix_sum)(uint8_t *pix, int line_size)
int flags
A combination of AV_PKT_FLAG values.
static int put_bits_count(PutBitContext *s)
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
const uint8_t * chroma_weight
common internal API header
static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block, const uint8_t *pixels, ptrdiff_t line_size)
enum AVPictureType pict_type
Picture type of the frame.
MpegEncContext m
Used for quantization dsp functions.
static av_always_inline void dnxhd_encode_block(DNXHDEncContext *ctx, int16_t *block, int last_index, int n)
int width
picture width / height.
uint16_t(* q_intra_matrix16)[2][64]
identical to the above but for MMX & these are not permutated, second 64 entries are bias ...
uint16_t(* qmatrix_l16)[2][64]
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
int ff_alloc_packet(AVPacket *avpkt, int size)
Check AVPacket size and/or allocate data.
uint8_t * msip
Macroblock Scan Indexes Payload.
uint8_t idct_permutation[64]
IDCT input permutation.
void(* fdct)(int16_t *block)
int mb_decision
macroblock decision mode
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
int ff_dct_quantize_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
static void radix_sort(RCCMPEntry *data, int size)
static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx)
#define AV_CODEC_CAP_SLICE_THREADS
Codec supports slice-based (or partition-based) multithreading.
int(* execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count)
The codec may call this to execute several independent things.
Libavcodec external API header.
static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, int16_t *block, int n, int qscale, int *overflow)
ptrdiff_t linesize
line size, in bytes, may be different from width
av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static int dnxhd_encode_picture(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
const uint8_t * ac_run_flag
main external API structure.
ScanTable intra_scantable
#define FF_DEFAULT_QUANT_BIAS
static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx)
void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
Describe the class of an AVClass context structure.
#define FF_MB_DECISION_RD
rate distortion
void ff_dnxhd_list_cid(AVCodecContext *avctx)
const uint8_t ff_zigzag_direct[64]
av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx)
ptrdiff_t uvlinesize
line size, for chroma in bytes, may be different from width
static void dnxhd_setup_threads_slices(DNXHDEncContext *ctx)
const CIDEntry * cid_table
int(* dct_quantize)(struct MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
uint16_t(* qmatrix_c16)[2][64]
static enum AVPixelFormat pix_fmts[]
This side data contains an integer value representing the quality factor of the compressed frame...
static void dnxhd_load_picture(DNXHDEncContext *ctx, const AVFrame *frame)
#define AV_PIX_FMT_YUV422P10
#define DNX10BIT_QMAT_SHIFT
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
struct AVCodecContext * avctx
PutBitContext pb
bit output
static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static av_cold int dnxhd_encode_init(AVCodecContext *avctx)
#define FF_DISABLE_DEPRECATION_WARNINGS
common internal api header.
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
attribute_deprecated AVFrame * coded_frame
the picture in the bitstream
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
static av_cold int init(AVCodecParserContext *s)
static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym(int16_t *restrict block, const uint8_t *pixels, ptrdiff_t line_size)
#define FF_ENABLE_DEPRECATION_WARNINGS
int top_field_first
If the content is interlaced, is top field displayed first.
int key_frame
1 -> keyframe, 0-> not
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
const CIDEntry * cid_table
#define LOCAL_ALIGNED_16(t, v,...)
static int first_field(int fd)
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
void(* idct)(int16_t *block)
AVPixelFormat
Pixel format.
This structure stores compressed data.
#define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)