ref: 0b2b81249b5f9874aa62d5d1e7be9da7d5864a85
parent: d09302779137db3cb315d433192d3d10fdbb046e
parent: df037b615fcc0196386977faae060fdfd9a887a8
author: Dmitry Kovalev <dkovalev@google.com>
date: Fri May 24 09:43:19 EDT 2013
Merge "Adding API to read/write uncompressed frame header bits." into experimental
--- a/vp9/common/vp9_common.h
+++ b/vp9/common/vp9_common.h
@@ -60,4 +60,8 @@
return (value + 15) & ~15;
}
+// TODO(dkovalev): remove later
+#define HEADER_SIZE_IN_BYTES 4
+
+
#endif // VP9_COMMON_VP9_COMMON_H_
--- a/vp9/common/vp9_header.h
+++ /dev/null
@@ -1,40 +1,0 @@
-/*
- * 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_
--- a/vp9/common/vp9_onyxc_int.h
+++ b/vp9/common/vp9_onyxc_int.h
@@ -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 @@
int near_boffset[3];
int version;
-#ifdef PACKET_TESTING
- VP9_HEADER oh;
-#endif
double bitrate;
double framerate;
--- a/vp9/decoder/vp9_decodframe.c
+++ b/vp9/decoder/vp9_decodframe.c
@@ -10,30 +10,32 @@
#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
int dec_debug = 0;
@@ -949,7 +951,7 @@
int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {vp9_reader header_bc, residual_bc;
VP9_COMMON *const pc = &pbi->common;
- MACROBLOCKD *const xd = &pbi->mb;
+ MACROBLOCKD *const xd = &pbi->mb;
const uint8_t *data = pbi->source;
const uint8_t *data_end = data + pbi->source_sz;
size_t first_partition_size = 0;
@@ -959,24 +961,40 @@
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 @@
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);
@@ -1057,14 +1072,6 @@
// To enable choice of different interpolation filters
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);
--- /dev/null
+++ b/vp9/decoder/vp9_read_bit_buffer.h
@@ -1,0 +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_
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -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 @@
}
}
-#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 @@
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 += HEADER_SIZE_IN_BYTES;
- cx_data += 3;
-
#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 @@
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 @@
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 @@
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 @@
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);
+ }
+
+
+ vp9_wb_write_literal(&wb, first_partition_length_in_bytes, 16);
}
- *size = VP9_HEADER_SIZE + extra_bytes_packed + header_bc.pos;
+ *size = HEADER_SIZE_IN_BYTES + extra_bytes_packed + header_bc.pos;
if (pc->frame_type == KEY_FRAME) {decide_kf_ymode_entropy(cpi);
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -258,9 +258,6 @@
init_done = 1;
}
}
-#ifdef PACKET_TESTING
-extern FILE *vpxlogc;
-#endif
static void setup_features(VP9_COMP *cpi) {MACROBLOCKD *xd = &cpi->mb.e_mbd;
--- /dev/null
+++ b/vp9/encoder/vp9_write_bit_buffer.h
@@ -1,0 +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_
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -38,7 +38,6 @@
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
--- a/vp9/vp9_dx_iface.c
+++ b/vp9/vp9_dx_iface.c
@@ -224,7 +224,7 @@
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 */
--- a/vp9/vp9cx.mk
+++ b/vp9/vp9cx.mk
@@ -19,6 +19,8 @@
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_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
--- a/vp9/vp9dx.mk
+++ b/vp9/vp9dx.mk
@@ -19,11 +19,12 @@
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
--
⑨