Commit cbce0037 authored by Yaowu Xu's avatar Yaowu Xu
Browse files

vpx_dsp/bitreader_buffer.h: vp9_->vpx_

Replace vp9_ in names to vpx_ for non codec specific functions.

Change-Id: Ib9e3b86cb0728d10b239f3493ceda18cc2c34e0f
parent bf82514b
......@@ -75,7 +75,7 @@ static int read_is_valid(const uint8_t *start, size_t len, const uint8_t *end) {
}
static int decode_unsigned_max(struct vpx_read_bit_buffer *rb, int max) {
const int data = vp9_rb_read_literal(rb, get_unsigned_bits(max));
const int data = vpx_rb_read_literal(rb, get_unsigned_bits(max));
return data > max ? max : data;
}
......@@ -1051,21 +1051,21 @@ static void setup_segmentation(struct segmentation *seg,
seg->update_map = 0;
seg->update_data = 0;
seg->enabled = vp9_rb_read_bit(rb);
seg->enabled = vpx_rb_read_bit(rb);
if (!seg->enabled)
return;
// Segmentation map update
seg->update_map = vp9_rb_read_bit(rb);
seg->update_map = vpx_rb_read_bit(rb);
if (seg->update_map) {
for (i = 0; i < SEG_TREE_PROBS; i++)
seg->tree_probs[i] = vp9_rb_read_bit(rb) ? vp9_rb_read_literal(rb, 8)
seg->tree_probs[i] = vpx_rb_read_bit(rb) ? vpx_rb_read_literal(rb, 8)
: MAX_PROB;
seg->temporal_update = vp9_rb_read_bit(rb);
seg->temporal_update = vpx_rb_read_bit(rb);
if (seg->temporal_update) {
for (i = 0; i < PREDICTION_PROBS; i++)
seg->pred_probs[i] = vp9_rb_read_bit(rb) ? vp9_rb_read_literal(rb, 8)
seg->pred_probs[i] = vpx_rb_read_bit(rb) ? vpx_rb_read_literal(rb, 8)
: MAX_PROB;
} else {
for (i = 0; i < PREDICTION_PROBS; i++)
......@@ -1074,21 +1074,21 @@ static void setup_segmentation(struct segmentation *seg,
}
// Segmentation data update
seg->update_data = vp9_rb_read_bit(rb);
seg->update_data = vpx_rb_read_bit(rb);
if (seg->update_data) {
seg->abs_delta = vp9_rb_read_bit(rb);
seg->abs_delta = vpx_rb_read_bit(rb);
vp9_clearall_segfeatures(seg);
for (i = 0; i < MAX_SEGMENTS; i++) {
for (j = 0; j < SEG_LVL_MAX; j++) {
int data = 0;
const int feature_enabled = vp9_rb_read_bit(rb);
const int feature_enabled = vpx_rb_read_bit(rb);
if (feature_enabled) {
vp9_enable_segfeature(seg, i, j);
data = decode_unsigned_max(rb, vp9_seg_feature_data_max(j));
if (vp9_is_segfeature_signed(j))
data = vp9_rb_read_bit(rb) ? -data : data;
data = vpx_rb_read_bit(rb) ? -data : data;
}
vp9_set_segdata(seg, i, j, data);
}
......@@ -1098,37 +1098,37 @@ static void setup_segmentation(struct segmentation *seg,
static void setup_loopfilter(struct loopfilter *lf,
struct vpx_read_bit_buffer *rb) {
lf->filter_level = vp9_rb_read_literal(rb, 6);
lf->sharpness_level = vp9_rb_read_literal(rb, 3);
lf->filter_level = vpx_rb_read_literal(rb, 6);
lf->sharpness_level = vpx_rb_read_literal(rb, 3);
// Read in loop filter deltas applied at the MB level based on mode or ref
// frame.
lf->mode_ref_delta_update = 0;
lf->mode_ref_delta_enabled = vp9_rb_read_bit(rb);
lf->mode_ref_delta_enabled = vpx_rb_read_bit(rb);
if (lf->mode_ref_delta_enabled) {
lf->mode_ref_delta_update = vp9_rb_read_bit(rb);
lf->mode_ref_delta_update = vpx_rb_read_bit(rb);
if (lf->mode_ref_delta_update) {
int i;
for (i = 0; i < MAX_REF_LF_DELTAS; i++)
if (vp9_rb_read_bit(rb))
lf->ref_deltas[i] = vp9_rb_read_signed_literal(rb, 6);
if (vpx_rb_read_bit(rb))
lf->ref_deltas[i] = vpx_rb_read_signed_literal(rb, 6);
for (i = 0; i < MAX_MODE_LF_DELTAS; i++)
if (vp9_rb_read_bit(rb))
lf->mode_deltas[i] = vp9_rb_read_signed_literal(rb, 6);
if (vpx_rb_read_bit(rb))
lf->mode_deltas[i] = vpx_rb_read_signed_literal(rb, 6);
}
}
}
static INLINE int read_delta_q(struct vpx_read_bit_buffer *rb) {
return vp9_rb_read_bit(rb) ? vp9_rb_read_signed_literal(rb, 4) : 0;
return vpx_rb_read_bit(rb) ? vpx_rb_read_signed_literal(rb, 4) : 0;
}
static void setup_quantization(VP9_COMMON *const cm, MACROBLOCKD *const xd,
struct vpx_read_bit_buffer *rb) {
cm->base_qindex = vp9_rb_read_literal(rb, QINDEX_BITS);
cm->base_qindex = vpx_rb_read_literal(rb, QINDEX_BITS);
cm->y_dc_delta_q = read_delta_q(rb);
cm->uv_dc_delta_q = read_delta_q(rb);
cm->uv_ac_delta_q = read_delta_q(rb);
......@@ -1175,14 +1175,14 @@ static INTERP_FILTER read_interp_filter(struct vpx_read_bit_buffer *rb) {
EIGHTTAP,
EIGHTTAP_SHARP,
BILINEAR };
return vp9_rb_read_bit(rb) ? SWITCHABLE
: literal_to_filter[vp9_rb_read_literal(rb, 2)];
return vpx_rb_read_bit(rb) ? SWITCHABLE
: literal_to_filter[vpx_rb_read_literal(rb, 2)];
}
static void setup_display_size(VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) {
cm->display_width = cm->width;
cm->display_height = cm->height;
if (vp9_rb_read_bit(rb))
if (vpx_rb_read_bit(rb))
vp9_read_frame_size(rb, &cm->display_width, &cm->display_height);
}
......@@ -1271,7 +1271,7 @@ static void setup_frame_size_with_refs(VP9_COMMON *cm,
int has_valid_ref_frame = 0;
BufferPool *const pool = cm->buffer_pool;
for (i = 0; i < REFS_PER_FRAME; ++i) {
if (vp9_rb_read_bit(rb)) {
if (vpx_rb_read_bit(rb)) {
YV12_BUFFER_CONFIG *const buf = cm->frame_refs[i].buf;
width = buf->y_crop_width;
height = buf->y_crop_height;
......@@ -1344,7 +1344,7 @@ static void setup_tile_info(VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) {
// columns
max_ones = max_log2_tile_cols - min_log2_tile_cols;
cm->log2_tile_cols = min_log2_tile_cols;
while (max_ones-- && vp9_rb_read_bit(rb))
while (max_ones-- && vpx_rb_read_bit(rb))
cm->log2_tile_cols++;
if (cm->log2_tile_cols > 6)
......@@ -1352,9 +1352,9 @@ static void setup_tile_info(VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) {
"Invalid number of tile columns");
// rows
cm->log2_tile_rows = vp9_rb_read_bit(rb);
cm->log2_tile_rows = vpx_rb_read_bit(rb);
if (cm->log2_tile_rows)
cm->log2_tile_rows += vp9_rb_read_bit(rb);
cm->log2_tile_rows += vpx_rb_read_bit(rb);
}
typedef struct TileBuffer {
......@@ -1760,7 +1760,7 @@ static void error_handler(void *data) {
static void read_bitdepth_colorspace_sampling(
VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) {
if (cm->profile >= PROFILE_2) {
cm->bit_depth = vp9_rb_read_bit(rb) ? VPX_BITS_12 : VPX_BITS_10;
cm->bit_depth = vpx_rb_read_bit(rb) ? VPX_BITS_12 : VPX_BITS_10;
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth = 1;
#endif
......@@ -1770,16 +1770,16 @@ static void read_bitdepth_colorspace_sampling(
cm->use_highbitdepth = 0;
#endif
}
cm->color_space = vp9_rb_read_literal(rb, 3);
cm->color_space = vpx_rb_read_literal(rb, 3);
if (cm->color_space != VPX_CS_SRGB) {
vp9_rb_read_bit(rb); // [16,235] (including xvycc) vs [0,255] range
vpx_rb_read_bit(rb); // [16,235] (including xvycc) vs [0,255] range
if (cm->profile == PROFILE_1 || cm->profile == PROFILE_3) {
cm->subsampling_x = vp9_rb_read_bit(rb);
cm->subsampling_y = vp9_rb_read_bit(rb);
cm->subsampling_x = vpx_rb_read_bit(rb);
cm->subsampling_y = vpx_rb_read_bit(rb);
if (cm->subsampling_x == 1 && cm->subsampling_y == 1)
vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
"4:2:0 color not supported in profile 1 or 3");
if (vp9_rb_read_bit(rb))
if (vpx_rb_read_bit(rb))
vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
"Reserved bit set");
} else {
......@@ -1790,7 +1790,7 @@ static void read_bitdepth_colorspace_sampling(
// Note if colorspace is SRGB then 4:4:4 chroma sampling is assumed.
// 4:2:2 or 4:4:0 chroma sampling is not allowed.
cm->subsampling_y = cm->subsampling_x = 0;
if (vp9_rb_read_bit(rb))
if (vpx_rb_read_bit(rb))
vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
"Reserved bit set");
} else {
......@@ -1811,7 +1811,7 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
cm->last_frame_type = cm->frame_type;
cm->last_intra_only = cm->intra_only;
if (vp9_rb_read_literal(rb, 2) != VP9_FRAME_MARKER)
if (vpx_rb_read_literal(rb, 2) != VP9_FRAME_MARKER)
vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
"Invalid frame marker");
......@@ -1826,10 +1826,10 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
"Unsupported bitstream profile");
#endif
cm->show_existing_frame = vp9_rb_read_bit(rb);
cm->show_existing_frame = vpx_rb_read_bit(rb);
if (cm->show_existing_frame) {
// Show an existing frame directly.
const int frame_to_show = cm->ref_frame_map[vp9_rb_read_literal(rb, 3)];
const int frame_to_show = cm->ref_frame_map[vpx_rb_read_literal(rb, 3)];
lock_buffer_pool(pool);
if (frame_to_show < 0 || frame_bufs[frame_to_show].ref_count < 1) {
unlock_buffer_pool(pool);
......@@ -1851,9 +1851,9 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
return 0;
}
cm->frame_type = (FRAME_TYPE) vp9_rb_read_bit(rb);
cm->show_frame = vp9_rb_read_bit(rb);
cm->error_resilient_mode = vp9_rb_read_bit(rb);
cm->frame_type = (FRAME_TYPE) vpx_rb_read_bit(rb);
cm->show_frame = vpx_rb_read_bit(rb);
cm->error_resilient_mode = vpx_rb_read_bit(rb);
if (cm->frame_type == KEY_FRAME) {
if (!vp9_read_sync_code(rb))
......@@ -1874,10 +1874,10 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
pbi->need_resync = 0;
}
} else {
cm->intra_only = cm->show_frame ? 0 : vp9_rb_read_bit(rb);
cm->intra_only = cm->show_frame ? 0 : vpx_rb_read_bit(rb);
cm->reset_frame_context = cm->error_resilient_mode ?
0 : vp9_rb_read_literal(rb, 2);
0 : vpx_rb_read_literal(rb, 2);
if (cm->intra_only) {
if (!vp9_read_sync_code(rb))
......@@ -1898,26 +1898,26 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
#endif
}
pbi->refresh_frame_flags = vp9_rb_read_literal(rb, REF_FRAMES);
pbi->refresh_frame_flags = vpx_rb_read_literal(rb, REF_FRAMES);
setup_frame_size(cm, rb);
if (pbi->need_resync) {
memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
pbi->need_resync = 0;
}
} else if (pbi->need_resync != 1) { /* Skip if need resync */
pbi->refresh_frame_flags = vp9_rb_read_literal(rb, REF_FRAMES);
pbi->refresh_frame_flags = vpx_rb_read_literal(rb, REF_FRAMES);
for (i = 0; i < REFS_PER_FRAME; ++i) {
const int ref = vp9_rb_read_literal(rb, REF_FRAMES_LOG2);
const int ref = vpx_rb_read_literal(rb, REF_FRAMES_LOG2);
const int idx = cm->ref_frame_map[ref];
RefBuffer *const ref_frame = &cm->frame_refs[i];
ref_frame->idx = idx;
ref_frame->buf = &frame_bufs[idx].buf;
cm->ref_frame_sign_bias[LAST_FRAME + i] = vp9_rb_read_bit(rb);
cm->ref_frame_sign_bias[LAST_FRAME + i] = vpx_rb_read_bit(rb);
}
setup_frame_size_with_refs(cm, rb);
cm->allow_high_precision_mv = vp9_rb_read_bit(rb);
cm->allow_high_precision_mv = vpx_rb_read_bit(rb);
cm->interp_filter = read_interp_filter(rb);
for (i = 0; i < REFS_PER_FRAME; ++i) {
......@@ -1949,8 +1949,8 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
}
if (!cm->error_resilient_mode) {
cm->refresh_frame_context = vp9_rb_read_bit(rb);
cm->frame_parallel_decoding_mode = vp9_rb_read_bit(rb);
cm->refresh_frame_context = vpx_rb_read_bit(rb);
cm->frame_parallel_decoding_mode = vpx_rb_read_bit(rb);
} else {
cm->refresh_frame_context = 0;
cm->frame_parallel_decoding_mode = 1;
......@@ -1958,7 +1958,7 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
// This flag will be overridden by the call to vp9_setup_past_independence
// below, forcing the use of context 0 for those frame types.
cm->frame_context_idx = vp9_rb_read_literal(rb, FRAME_CONTEXTS_LOG2);
cm->frame_context_idx = vpx_rb_read_literal(rb, FRAME_CONTEXTS_LOG2);
// Generate next_ref_frame_map.
lock_buffer_pool(pool);
......@@ -1993,7 +1993,7 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
setup_segmentation_dequant(cm);
setup_tile_info(cm, rb);
sz = vp9_rb_read_literal(rb, 16);
sz = vpx_rb_read_literal(rb, 16);
if (sz == 0)
vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
......@@ -2115,22 +2115,22 @@ static struct vpx_read_bit_buffer *init_read_bit_buffer(
//------------------------------------------------------------------------------
int vp9_read_sync_code(struct vpx_read_bit_buffer *const rb) {
return vp9_rb_read_literal(rb, 8) == VP9_SYNC_CODE_0 &&
vp9_rb_read_literal(rb, 8) == VP9_SYNC_CODE_1 &&
vp9_rb_read_literal(rb, 8) == VP9_SYNC_CODE_2;
return vpx_rb_read_literal(rb, 8) == VP9_SYNC_CODE_0 &&
vpx_rb_read_literal(rb, 8) == VP9_SYNC_CODE_1 &&
vpx_rb_read_literal(rb, 8) == VP9_SYNC_CODE_2;
}
void vp9_read_frame_size(struct vpx_read_bit_buffer *rb,
int *width, int *height) {
*width = vp9_rb_read_literal(rb, 16) + 1;
*height = vp9_rb_read_literal(rb, 16) + 1;
*width = vpx_rb_read_literal(rb, 16) + 1;
*height = vpx_rb_read_literal(rb, 16) + 1;
}
BITSTREAM_PROFILE vp9_read_profile(struct vpx_read_bit_buffer *rb) {
int profile = vp9_rb_read_bit(rb);
profile |= vp9_rb_read_bit(rb) << 1;
int profile = vpx_rb_read_bit(rb);
profile |= vpx_rb_read_bit(rb) << 1;
if (profile > 2)
profile += vp9_rb_read_bit(rb);
profile += vpx_rb_read_bit(rb);
return (BITSTREAM_PROFILE) profile;
}
......@@ -2155,7 +2155,7 @@ void vp9_decode_frame(VP9Decoder *pbi,
return;
}
data += vp9_rb_bytes_read(&rb);
data += vpx_rb_bytes_read(&rb);
if (!read_is_valid(data, first_partition_size, data_end))
vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
"Truncated packet or corrupt header length");
......
......@@ -149,7 +149,7 @@ static int parse_bitdepth_colorspace_sampling(
vpx_color_space_t color_space;
if (profile >= PROFILE_2)
rb->bit_offset += 1; // Bit-depth 10 or 12.
color_space = (vpx_color_space_t)vp9_rb_read_literal(rb, 3);
color_space = (vpx_color_space_t)vpx_rb_read_literal(rb, 3);
if (color_space != VPX_CS_SRGB) {
rb->bit_offset += 1; // [16,235] (including xvycc) vs [0,255] range.
if (profile == PROFILE_1 || profile == PROFILE_3) {
......@@ -192,7 +192,7 @@ static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data,
int show_frame;
int error_resilient;
struct vpx_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
const int frame_marker = vp9_rb_read_literal(&rb, 2);
const int frame_marker = vpx_rb_read_literal(&rb, 2);
const BITSTREAM_PROFILE profile = vp9_read_profile(&rb);
if (frame_marker != VP9_FRAME_MARKER)
......@@ -204,17 +204,17 @@ static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data,
if ((profile >= 2 && data_sz <= 1) || data_sz < 1)
return VPX_CODEC_UNSUP_BITSTREAM;
if (vp9_rb_read_bit(&rb)) { // show an existing frame
vp9_rb_read_literal(&rb, 3); // Frame buffer to show.
if (vpx_rb_read_bit(&rb)) { // show an existing frame
vpx_rb_read_literal(&rb, 3); // Frame buffer to show.
return VPX_CODEC_OK;
}
if (data_sz <= 8)
return VPX_CODEC_UNSUP_BITSTREAM;
si->is_kf = !vp9_rb_read_bit(&rb);
show_frame = vp9_rb_read_bit(&rb);
error_resilient = vp9_rb_read_bit(&rb);
si->is_kf = !vpx_rb_read_bit(&rb);
show_frame = vpx_rb_read_bit(&rb);
error_resilient = vpx_rb_read_bit(&rb);
if (si->is_kf) {
if (!vp9_read_sync_code(&rb))
......@@ -224,7 +224,7 @@ static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data,
return VPX_CODEC_UNSUP_BITSTREAM;
vp9_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
} else {
intra_only_flag = show_frame ? 0 : vp9_rb_read_bit(&rb);
intra_only_flag = show_frame ? 0 : vpx_rb_read_bit(&rb);
rb.bit_offset += error_resilient ? 0 : 2; // reset_frame_context
......
......@@ -9,11 +9,11 @@
*/
#include "./bitreader_buffer.h"
size_t vp9_rb_bytes_read(struct vpx_read_bit_buffer *rb) {
size_t vpx_rb_bytes_read(struct vpx_read_bit_buffer *rb) {
return (rb->bit_offset + 7) >> 3;
}
int vp9_rb_read_bit(struct vpx_read_bit_buffer *rb) {
int vpx_rb_read_bit(struct vpx_read_bit_buffer *rb) {
const size_t off = rb->bit_offset;
const size_t p = off >> 3;
const int q = 7 - (int)(off & 0x7);
......@@ -27,15 +27,15 @@ int vp9_rb_read_bit(struct vpx_read_bit_buffer *rb) {
}
}
int vp9_rb_read_literal(struct vpx_read_bit_buffer *rb, int bits) {
int vpx_rb_read_literal(struct vpx_read_bit_buffer *rb, int bits) {
int value = 0, bit;
for (bit = bits - 1; bit >= 0; bit--)
value |= vp9_rb_read_bit(rb) << bit;
value |= vpx_rb_read_bit(rb) << bit;
return value;
}
int vp9_rb_read_signed_literal(struct vpx_read_bit_buffer *rb,
int vpx_rb_read_signed_literal(struct vpx_read_bit_buffer *rb,
int bits) {
const int value = vp9_rb_read_literal(rb, bits);
return vp9_rb_read_bit(rb) ? -value : value;
const int value = vpx_rb_read_literal(rb, bits);
return vpx_rb_read_bit(rb) ? -value : value;
}
......@@ -19,7 +19,7 @@
extern "C" {
#endif
typedef void (*vp9_rb_error_handler)(void *data);
typedef void (*vpx_rb_error_handler)(void *data);
struct vpx_read_bit_buffer {
const uint8_t *bit_buffer;
......@@ -27,16 +27,16 @@ struct vpx_read_bit_buffer {
size_t bit_offset;
void *error_handler_data;
vp9_rb_error_handler error_handler;
vpx_rb_error_handler error_handler;
};
size_t vp9_rb_bytes_read(struct vpx_read_bit_buffer *rb);
size_t vpx_rb_bytes_read(struct vpx_read_bit_buffer *rb);
int vp9_rb_read_bit(struct vpx_read_bit_buffer *rb);
int vpx_rb_read_bit(struct vpx_read_bit_buffer *rb);
int vp9_rb_read_literal(struct vpx_read_bit_buffer *rb, int bits);
int vpx_rb_read_literal(struct vpx_read_bit_buffer *rb, int bits);
int vp9_rb_read_signed_literal(struct vpx_read_bit_buffer *rb, int bits);
int vpx_rb_read_signed_literal(struct vpx_read_bit_buffer *rb, int bits);
#ifdef __cplusplus
} // extern "C"
......
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