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Merge "Adding API to read/write uncompressed frame header bits." into experimental

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This commit is contained in:
Dmitry Kovalev 2013-05-24 13:43:19 -07:00 committed by Gerrit Code Review
commit 0b2b81249b
12 changed files with 159 additions and 142 deletions
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4
vp9/common/vp9_common.h
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@ -60,4 +60,8 @@ static INLINE int multiple16(int value) {
return (value + 15) & ~15;
}
// TODO(dkovalev): remove later
#define HEADER_SIZE_IN_BYTES 4
#endif // VP9_COMMON_VP9_COMMON_H_

40
vp9/common/vp9_header.h
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@ -1,40 +0,0 @@
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_COMMON_VP9_HEADER_H_
#define VP9_COMMON_VP9_HEADER_H_
/* 24 bits total */
typedef struct {
unsigned int type: 1;
unsigned int version: 3;
unsigned int show_frame: 1;
/* Allow 2^20 bytes = 8 megabits for first partition */
unsigned int first_partition_length_in_bytes: 19;
#ifdef PACKET_TESTING
unsigned int frame_number;
unsigned int update_gold: 1;
unsigned int uses_gold: 1;
unsigned int update_last: 1;
unsigned int uses_last: 1;
#endif
} VP9_HEADER;
#ifdef PACKET_TESTING
#define VP9_HEADER_SIZE 8
#else
#define VP9_HEADER_SIZE 3
#endif
#endif // VP9_COMMON_VP9_HEADER_H_

7
vp9/common/vp9_onyxc_int.h
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@ -24,10 +24,6 @@
#include "vp9/common/vp9_postproc.h"
#endif
/*#ifdef PACKET_TESTING*/
#include "vp9/common/vp9_header.h"
/*#endif*/
/* Create/destroy static data structures. */
void vp9_initialize_common(void);
@ -262,9 +258,6 @@ typedef struct VP9Common {
int near_boffset[3];
int version;
#ifdef PACKET_TESTING
VP9_HEADER oh;
#endif
double bitrate;
double framerate;

67
vp9/decoder/vp9_decodframe.c
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@ -10,29 +10,31 @@
#include <assert.h>
#include "vp9/decoder/vp9_onyxd_int.h"
#include "./vp9_rtcd.h"
#include "vpx_scale/vpx_scale.h"
#include "vpx_mem/vpx_mem.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_header.h"
#include "vp9/common/vp9_reconintra.h"
#include "vp9/common/vp9_reconinter.h"
#include "vp9/common/vp9_entropy.h"
#include "vp9/decoder/vp9_decodframe.h"
#include "vp9/decoder/vp9_detokenize.h"
#include "vp9/common/vp9_invtrans.h"
#include "vp9/common/vp9_alloccommon.h"
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_quant_common.h"
#include "vpx_scale/vpx_scale.h"
#include "vp9/decoder/vp9_decodemv.h"
#include "vp9/common/vp9_extend.h"
#include "vp9/common/vp9_modecont.h"
#include "vpx_mem/vpx_mem.h"
#include "vp9/decoder/vp9_dboolhuff.h"
#include "vp9/common/vp9_seg_common.h"
#include "vp9/common/vp9_tile_common.h"
#include "vp9_rtcd.h"
#include "vp9/decoder/vp9_decodemv.h"
#include "vp9/decoder/vp9_dboolhuff.h"
#include "vp9/decoder/vp9_read_bit_buffer.h"
#include "vp9/decoder/vp9_onyxd_int.h"
#include "vp9/decoder/vp9_decodframe.h"
#include "vp9/decoder/vp9_detokenize.h"
// #define DEC_DEBUG
#ifdef DEC_DEBUG
@ -959,24 +961,40 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
xd->corrupted = 0; // start with no corruption of current frame
new_fb->corrupted = 0;
if (data_end - data < 3) {
vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, "Truncated packet");
} else {
struct vp9_read_bit_buffer rb = {data, 0};
int scaling_active;
pc->last_frame_type = pc->frame_type;
pc->frame_type = (FRAME_TYPE)(data[0] & 1);
pc->version = (data[0] >> 1) & 7;
pc->show_frame = (data[0] >> 4) & 1;
scaling_active = (data[0] >> 5) & 1;
pc->subsampling_x = (data[0] >> 6) & 1;
pc->subsampling_y = (data[0] >> 7) & 1;
first_partition_size = read_le16(data + 1);
pc->frame_type = (FRAME_TYPE) vp9_rb_read_bit(&rb);
pc->version = vp9_rb_read_literal(&rb, 3);
pc->show_frame = vp9_rb_read_bit(&rb);
scaling_active = vp9_rb_read_bit(&rb);
pc->subsampling_x = vp9_rb_read_bit(&rb);
pc->subsampling_y = vp9_rb_read_bit(&rb);
pc->clr_type = (YUV_TYPE)vp9_rb_read_bit(&rb);
pc->error_resilient_mode = vp9_rb_read_bit(&rb);
if (!pc->error_resilient_mode) {
pc->refresh_frame_context = vp9_rb_read_bit(&rb);
pc->frame_parallel_decoding_mode = vp9_rb_read_bit(&rb);
} else {
pc->refresh_frame_context = 0;
pc->frame_parallel_decoding_mode = 1;
}
first_partition_size = vp9_rb_read_literal(&rb, 16);
if (!read_is_valid(data, first_partition_size, data_end))
vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
"Truncated packet or corrupt partition 0 length");
data += 3;
data += HEADER_SIZE_IN_BYTES; // header size
vp9_setup_version(pc);
@ -1010,9 +1028,6 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate bool decoder 0");
pc->clr_type = (YUV_TYPE)vp9_read_bit(&header_bc);
pc->error_resilient_mode = vp9_read_bit(&header_bc);
setup_loopfilter(pc, xd, &header_bc);
setup_quantization(pbi, &header_bc);
@ -1059,14 +1074,6 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
vp9_setup_interp_filters(xd, pc->mcomp_filter_type, pc);
}
if (!pc->error_resilient_mode) {
pc->refresh_frame_context = vp9_read_bit(&header_bc);
pc->frame_parallel_decoding_mode = vp9_read_bit(&header_bc);
} else {
pc->refresh_frame_context = 0;
pc->frame_parallel_decoding_mode = 1;
}
pc->frame_context_idx = vp9_read_literal(&header_bc, NUM_FRAME_CONTEXTS_LG2);
pc->fc = pc->frame_contexts[pc->frame_context_idx];

35
vp9/decoder/vp9_read_bit_buffer.h Normal file
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@ -0,0 +1,35 @@
/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_READ_BIT_BUFFER_
#define VP9_READ_BIT_BUFFER_
struct vp9_read_bit_buffer {
const uint8_t *const bit_buffer;
size_t bit_offset;
};
static int vp9_rb_read_bit(struct vp9_read_bit_buffer *rb) {
const int off = rb->bit_offset;
const int p = off / CHAR_BIT;
const int q = /*CHAR_BIT - 1 -*/ off % CHAR_BIT;
const int bit = (rb->bit_buffer[p] & (1 << q)) >> q;
rb->bit_offset = off + 1;
return bit;
}
static int vp9_rb_read_literal(struct vp9_read_bit_buffer *rb, int bits) {
int value = 0, bit;
for (bit = bits - 1; bit >= 0; bit--)
value |= vp9_rb_read_bit(rb) << bit;
return value;
}
#endif // VP9_READ_BIT_BUFFER_

96
vp9/encoder/vp9_bitstream.c
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@ -12,28 +12,28 @@
#include <stdio.h>
#include <limits.h>
#include "vp9/common/vp9_header.h"
#include "vp9/encoder/vp9_encodemv.h"
#include "vpx/vpx_encoder.h"
#include "vpx_mem/vpx_mem.h"
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_findnearmv.h"
#include "vp9/common/vp9_tile_common.h"
#include "vp9/encoder/vp9_mcomp.h"
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/common/vp9_pragmas.h"
#include "vpx/vpx_encoder.h"
#include "vpx_mem/vpx_mem.h"
#include "vp9/encoder/vp9_bitstream.h"
#include "vp9/encoder/vp9_segmentation.h"
#include "vp9/common/vp9_seg_common.h"
#include "vp9/common/vp9_pred_common.h"
#include "vp9/common/vp9_entropy.h"
#include "vp9/encoder/vp9_encodemv.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_mvref_common.h"
#include "vp9/common/vp9_treecoder.h"
#include "vp9/encoder/vp9_encodemv.h"
#include "vp9/encoder/vp9_mcomp.h"
#include "vp9/encoder/vp9_bitstream.h"
#include "vp9/encoder/vp9_segmentation.h"
#include "vp9/encoder/vp9_write_bit_buffer.h"
#if defined(SECTIONBITS_OUTPUT)
unsigned __int64 Sectionbits[500];
#endif
@ -1299,10 +1299,6 @@ static void update_coef_probs(VP9_COMP* const cpi, vp9_writer* const bc) {
}
}
#ifdef PACKET_TESTING
FILE *vpxlogc = 0;
#endif
static void decide_kf_ymode_entropy(VP9_COMP *cpi) {
int mode_cost[MB_MODE_COUNT];
int bestcost = INT_MAX;
@ -1513,44 +1509,34 @@ static void encode_segmentation(VP9_COMP *cpi, vp9_writer *w) {
void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
int i;
VP9_HEADER oh;
VP9_COMMON *const pc = &cpi->common;
vp9_writer header_bc, residual_bc;
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
vp9_writer header_bc, residual_bc;
int extra_bytes_packed = 0;
uint8_t *cx_data = dest;
oh.show_frame = (int) pc->show_frame;
oh.type = (int)pc->frame_type;
oh.version = pc->version;
oh.first_partition_length_in_bytes = 0;
cx_data += 3;
cx_data += HEADER_SIZE_IN_BYTES;
#if defined(SECTIONBITS_OUTPUT)
Sectionbits[active_section = 1] += sizeof(VP9_HEADER) * 8 * 256;
Sectionbits[active_section = 1] += HEADER_SIZE_IN_BYTES * 8 * 256;
#endif
compute_update_table();
/* every keyframe send startcode, width, height, scale factor, clamp
* and color type.
*/
if (oh.type == KEY_FRAME) {
if (pc->frame_type == KEY_FRAME) {
// Start / synch code
cx_data[0] = 0x49;
cx_data[1] = 0x83;
cx_data[2] = 0x42;
extra_bytes_packed = 3;
cx_data += extra_bytes_packed;
extra_bytes_packed += 3;
cx_data += 3;
}
if (pc->width != pc->display_width || pc->height != pc->display_height) {
write_le16(cx_data, pc->display_width);
write_le16(cx_data + 2, pc->display_height);
cx_data += 4;
extra_bytes_packed += 4;
cx_data += 4;
}
write_le16(cx_data, pc->width);
@ -1560,12 +1546,6 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
vp9_start_encode(&header_bc, cx_data);
// TODO(jkoleszar): remove these two unused bits?
vp9_write_bit(&header_bc, pc->clr_type);
// error resilient mode
vp9_write_bit(&header_bc, pc->error_resilient_mode);
encode_loopfilter(pc, xd, &header_bc);
encode_quantization(pc, &header_bc);
@ -1614,9 +1594,8 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
vp9_write_literal(&header_bc, cpi->alt_fb_idx, NUM_REF_FRAMES_LG2);
// Indicate the sign bias for each reference frame buffer.
for (i = 0; i < ALLOWED_REFS_PER_FRAME; ++i) {
for (i = 0; i < ALLOWED_REFS_PER_FRAME; ++i)
vp9_write_bit(&header_bc, pc->ref_frame_sign_bias[LAST_FRAME + i]);
}
// Signal whether to allow high MV precision
vp9_write_bit(&header_bc, (xd->allow_high_precision_mv) ? 1 : 0);
@ -1646,11 +1625,6 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
vp9_write_literal(&header_bc, (pc->mcomp_filter_type), 2);
}
if (!pc->error_resilient_mode) {
vp9_write_bit(&header_bc, pc->refresh_frame_context);
vp9_write_bit(&header_bc, pc->frame_parallel_decoding_mode);
}
vp9_write_literal(&header_bc, pc->frame_context_idx,
NUM_FRAME_CONTEXTS_LG2);
@ -1851,27 +1825,35 @@ void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, unsigned long *size) {
vp9_stop_encode(&header_bc);
oh.first_partition_length_in_bytes = header_bc.pos;
/* update frame tag */
{
const int first_partition_length_in_bytes = header_bc.pos;
int scaling = (pc->width != pc->display_width ||
pc->height != pc->display_height);
int v = (oh.first_partition_length_in_bytes << 8) |
(pc->subsampling_y << 7) |
(pc->subsampling_x << 6) |
(scaling << 5) |
(oh.show_frame << 4) |
(oh.version << 1) |
oh.type;
assert(oh.first_partition_length_in_bytes <= 0xffff);
dest[0] = v;
dest[1] = v >> 8;
dest[2] = v >> 16;
struct vp9_write_bit_buffer wb = {dest, 0};
assert(first_partition_length_in_bytes <= 0xffff);
vp9_wb_write_bit(&wb, pc->frame_type);
vp9_wb_write_literal(&wb, pc->version, 3);
vp9_wb_write_bit(&wb, pc->show_frame);
vp9_wb_write_bit(&wb, scaling);
vp9_wb_write_bit(&wb, pc->subsampling_x);
vp9_wb_write_bit(&wb, pc->subsampling_y);
vp9_wb_write_bit(&wb, pc->clr_type);
vp9_wb_write_bit(&wb, pc->error_resilient_mode);
if (!pc->error_resilient_mode) {
vp9_wb_write_bit(&wb, pc->refresh_frame_context);
vp9_wb_write_bit(&wb, pc->frame_parallel_decoding_mode);
}
*size = VP9_HEADER_SIZE + extra_bytes_packed + header_bc.pos;
vp9_wb_write_literal(&wb, first_partition_length_in_bytes, 16);
}
*size = HEADER_SIZE_IN_BYTES + extra_bytes_packed + header_bc.pos;
if (pc->frame_type == KEY_FRAME) {
decide_kf_ymode_entropy(cpi);

3
vp9/encoder/vp9_onyx_if.c
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@ -258,9 +258,6 @@ void vp9_initialize_enc() {
init_done = 1;
}
}
#ifdef PACKET_TESTING
extern FILE *vpxlogc;
#endif
static void setup_features(VP9_COMP *cpi) {
MACROBLOCKD *xd = &cpi->mb.e_mbd;

38
vp9/encoder/vp9_write_bit_buffer.h Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_BIT_WRITE_BUFFER_H_
#define VP9_BIT_WRITE_BUFFER_H_
#include "vpx/vpx_integer.h"
struct vp9_write_bit_buffer {
uint8_t *const bit_buffer;
size_t bit_offset;
};
static void vp9_wb_write_bit(struct vp9_write_bit_buffer *wb, int bit) {
const int off = wb->bit_offset;
const int p = off / CHAR_BIT;
const int q = /*CHAR_BIT - 1 -*/ off % CHAR_BIT;
wb->bit_buffer[p] &= ~(1 << q);
wb->bit_buffer[p] |= bit << q;
wb->bit_offset = off + 1;
}
static void vp9_wb_write_literal(struct vp9_write_bit_buffer *wb,
int data, int bits) {
int bit;
for (bit = bits - 1; bit >= 0; bit--)
vp9_wb_write_bit(wb, (data >> bit) & 1);
}
#endif // VP9_BIT_WRITE_BUFFER_H_

1
vp9/vp9_common.mk
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@ -38,7 +38,6 @@ VP9_COMMON_SRCS-yes += common/vp9_entropymv.h
VP9_COMMON_SRCS-yes += common/vp9_enums.h
VP9_COMMON_SRCS-yes += common/vp9_extend.h
VP9_COMMON_SRCS-yes += common/vp9_findnearmv.h
VP9_COMMON_SRCS-yes += common/vp9_header.h
VP9_COMMON_SRCS-yes += common/vp9_idct.h
VP9_COMMON_SRCS-yes += common/vp9_invtrans.h
VP9_COMMON_SRCS-yes += common/vp9_loopfilter.h

2
vp9/vp9_dx_iface.c
View File

@ -224,7 +224,7 @@ static vpx_codec_err_t vp8_peek_si(const uint8_t *data,
si->is_kf = 0;
if (data_sz >= 10 && !(data[0] & 0x01)) { /* I-Frame */
const uint8_t *c = data + 3;
const uint8_t *c = data + HEADER_SIZE_IN_BYTES;
si->is_kf = 1;
/* vet via sync code */

3
vp9/vp9cx.mk
View File

@ -19,6 +19,8 @@ VP9_CX_SRCS-yes += vp9_cx_iface.c
VP9_CX_SRCS-yes += encoder/vp9_bitstream.c
VP9_CX_SRCS-yes += encoder/vp9_boolhuff.c
VP9_CX_SRCS-yes += encoder/vp9_boolhuff.h
VP9_CX_SRCS-yes += encoder/vp9_write_bit_buffer.h
VP9_CX_SRCS-yes += encoder/vp9_dct.c
VP9_CX_SRCS-yes += encoder/vp9_encodeframe.c
VP9_CX_SRCS-yes += encoder/vp9_encodeframe.h
@ -27,7 +29,6 @@ VP9_CX_SRCS-yes += encoder/vp9_encodemb.c
VP9_CX_SRCS-yes += encoder/vp9_encodemv.c
VP9_CX_SRCS-yes += encoder/vp9_firstpass.c
VP9_CX_SRCS-yes += encoder/vp9_block.h
VP9_CX_SRCS-yes += encoder/vp9_boolhuff.h
VP9_CX_SRCS-yes += encoder/vp9_bitstream.h
VP9_CX_SRCS-yes += encoder/vp9_encodeintra.h
VP9_CX_SRCS-yes += encoder/vp9_encodemb.h

3
vp9/vp9dx.mk
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@ -19,11 +19,12 @@ VP9_DX_SRCS-yes += vp9_dx_iface.c
VP9_DX_SRCS-yes += decoder/vp9_asm_dec_offsets.c
VP9_DX_SRCS-yes += decoder/vp9_dboolhuff.c
VP9_DX_SRCS-yes += decoder/vp9_dboolhuff.h
VP9_DX_SRCS-yes += decoder/vp9_read_bit_buffer.h
VP9_DX_SRCS-yes += decoder/vp9_decodemv.c
VP9_DX_SRCS-yes += decoder/vp9_decodframe.c
VP9_DX_SRCS-yes += decoder/vp9_decodframe.h
VP9_DX_SRCS-yes += decoder/vp9_detokenize.c
VP9_DX_SRCS-yes += decoder/vp9_dboolhuff.h
VP9_DX_SRCS-yes += decoder/vp9_decodemv.h
VP9_DX_SRCS-yes += decoder/vp9_detokenize.h
VP9_DX_SRCS-yes += decoder/vp9_onyxd.h