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Commit 778023d2 authored by Debargha Mukherjee's avatar Debargha Mukherjee
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Add sequence (kf) level flag for reference buffer 

Allows saving bits when reference buffer is not to be used in
cases where error resilience is unimportant.

Change-Id: I2ef002a7cce96a158e1e58c2b00f0a6846049fff
parent a5fefa76
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Showing with 233 additions and 181 deletions
av1/av1_cx_iface.c
View file @ 778023d2
......@@ -1286,11 +1286,13 @@ static aom_codec_err_t encoder_encode(aom_codec_alg_priv_t *ctx,
&dst_time_stamp, &dst_end_time_stamp,
!img)) {
#if CONFIG_REFERENCE_BUFFER
if (cpi->common.invalid_delta_frame_id_minus1) {
ctx->base.err_detail = "Invalid delta_frame_id_minus1";
return AOM_CODEC_ERROR;
if (cpi->common.use_reference_buffer) {
if (cpi->common.invalid_delta_frame_id_minus1) {
ctx->base.err_detail = "Invalid delta_frame_id_minus1";
return AOM_CODEC_ERROR;
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
if (frame_size) {
if (ctx->pending_cx_data == 0) ctx->pending_cx_data = cx_data;
......
av1/av1_dx_iface.c
View file @ 778023d2
......@@ -242,7 +242,6 @@ static aom_codec_err_t decoder_peek_si_internal(
si->is_kf = 1;
intra_only_flag = 1;
si->h = 1;
#else
int show_frame;
int error_resilient;
......@@ -273,29 +272,38 @@ static aom_codec_err_t decoder_peek_si_internal(
si->is_kf = !aom_rb_read_bit(&rb);
show_frame = aom_rb_read_bit(&rb);
if (!si->is_kf) {
if (!show_frame) intra_only_flag = show_frame ? 0 : aom_rb_read_bit(&rb);
}
error_resilient = aom_rb_read_bit(&rb);
#if CONFIG_REFERENCE_BUFFER
{
int use_reference_buffer = 1;
SequenceHeader seq_params = { 0, 0, 0 };
if (si->is_kf) {
/* TODO: Move outside frame loop or inside key-frame branch */
int frame_id_len;
SequenceHeader seq_params;
read_sequence_header(&seq_params);
use_reference_buffer = aom_rb_read_bit(&rb);
if (use_reference_buffer) {
read_sequence_header(&seq_params);
#if CONFIG_EXT_TILE
if (large_scale_tile) seq_params.frame_id_numbers_present_flag = 0;
if (large_scale_tile) seq_params.frame_id_numbers_present_flag = 0;
#endif // CONFIG_EXT_TILE
}
}
#endif // CONFIG_REFERENCE_BUFFER
#if CONFIG_REFERENCE_BUFFER
if (use_reference_buffer) {
int frame_id_len;
if (seq_params.frame_id_numbers_present_flag) {
frame_id_len = seq_params.frame_id_length_minus7 + 7;
aom_rb_read_literal(&rb, frame_id_len);
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
if (si->is_kf) {
if (!parse_bitdepth_colorspace_sampling(profile, &rb))
return AOM_CODEC_UNSUP_BITSTREAM;
av1_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
} else {
intra_only_flag = show_frame ? 0 : aom_rb_read_bit(&rb);
rb.bit_offset += error_resilient ? 0 : 2; // reset_frame_context
if (intra_only_flag) {
......@@ -307,7 +315,7 @@ static aom_codec_err_t decoder_peek_si_internal(
av1_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
}
}
#endif
#endif // CONFIG_OBU
}
if (is_intra_only != NULL) *is_intra_only = intra_only_flag;
return AOM_CODEC_OK;
......
av1/common/onyxc_int.h
View file @ 778023d2
......@@ -64,7 +64,7 @@ extern "C" {
#define FRAME_ID_NUMBERS_PRESENT_FLAG 1
#define FRAME_ID_LENGTH_MINUS7 8 // Allows frame id up to 2^15-1
#define DELTA_FRAME_ID_LENGTH_MINUS2 12 // Allows frame id deltas up to 2^14-1
#endif
#endif // CONFIG_REFERENCE_BUFFER
#if CONFIG_NO_FRAME_CONTEXT_SIGNALING
#define FRAME_CONTEXTS (FRAME_BUFFERS + 1)
......@@ -508,12 +508,13 @@ typedef struct AV1Common {
#endif
int num_tg;
#if CONFIG_REFERENCE_BUFFER
int use_reference_buffer;
int current_frame_id;
int ref_frame_id[REF_FRAMES];
int valid_for_referencing[REF_FRAMES];
int refresh_mask;
int invalid_delta_frame_id_minus1;
#endif
#endif // CONFIG_REFERENCE_BUFFER
#if CONFIG_ANS && ANS_MAX_SYMBOLS
int ans_window_size_log2;
#endif
......@@ -535,7 +536,7 @@ typedef struct SequenceHeader {
int frame_id_length_minus7;
int delta_frame_id_length_minus2;
} SequenceHeader;
#endif
#endif // CONFIG_REFERENCE_BUFFER
// TODO(hkuang): Don't need to lock the whole pool after implementing atomic
// frame reference count.
......@@ -1276,6 +1277,10 @@ static INLINE PARTITION_TYPE get_partition(const AV1_COMMON *const cm,
return base_partitions[split_idx];
}
static INLINE void set_use_reference_buffer(AV1_COMMON *const cm, int use) {
cm->use_reference_buffer = use;
}
static INLINE void set_sb_size(AV1_COMMON *const cm, BLOCK_SIZE sb_size) {
cm->sb_size = sb_size;
cm->mib_size = mi_size_wide[cm->sb_size];
......
av1/decoder/decodeframe.c
View file @ 778023d2
......@@ -4386,7 +4386,7 @@ void read_sequence_header(SequenceHeader *seq_params) {
seq_params->frame_id_length_minus7 = FRAME_ID_LENGTH_MINUS7;
seq_params->delta_frame_id_length_minus2 = DELTA_FRAME_ID_LENGTH_MINUS2;
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
#if CONFIG_EXT_INTER
static void read_compound_tools(AV1_COMMON *cm,
......@@ -4591,13 +4591,6 @@ static size_t read_uncompressed_header(AV1Decoder *pbi,
int i, mask, ref_index = 0;
size_t sz;
#if !CONFIG_OBU
#if CONFIG_REFERENCE_BUFFER
/* TODO: Move outside frame loop or inside key-frame branch */
read_sequence_header(&pbi->seq_params);
#endif
#endif
cm->last_frame_type = cm->frame_type;
cm->last_intra_only = cm->intra_only;
......@@ -4635,15 +4628,17 @@ static size_t read_uncompressed_header(AV1Decoder *pbi,
const int existing_frame_idx = aom_rb_read_literal(rb, 3);
const int frame_to_show = cm->ref_frame_map[existing_frame_idx];
#if CONFIG_REFERENCE_BUFFER
if (pbi->seq_params.frame_id_numbers_present_flag) {
int frame_id_length = pbi->seq_params.frame_id_length_minus7 + 7;
int display_frame_id = aom_rb_read_literal(rb, frame_id_length);
/* Compare display_frame_id with ref_frame_id and check valid for
* referencing */
if (display_frame_id != cm->ref_frame_id[existing_frame_idx] ||
cm->valid_for_referencing[existing_frame_idx] == 0)
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Reference buffer frame ID mismatch");
if (cm->use_reference_buffer) {
if (pbi->seq_params.frame_id_numbers_present_flag) {
int frame_id_length = pbi->seq_params.frame_id_length_minus7 + 7;
int display_frame_id = aom_rb_read_literal(rb, frame_id_length);
/* Compare display_frame_id with ref_frame_id and check valid for
* referencing */
if (display_frame_id != cm->ref_frame_id[existing_frame_idx] ||
cm->valid_for_referencing[existing_frame_idx] == 0)
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Reference buffer frame ID mismatch");
}
}
#endif
lock_buffer_pool(pool);
......@@ -4675,54 +4670,65 @@ static size_t read_uncompressed_header(AV1Decoder *pbi,
#if !CONFIG_OBU
cm->frame_type = (FRAME_TYPE)aom_rb_read_bit(rb);
cm->show_frame = aom_rb_read_bit(rb);
if (cm->frame_type != KEY_FRAME)
cm->intra_only = cm->show_frame ? 0 : aom_rb_read_bit(rb);
#else
cm->frame_type = (FRAME_TYPE)aom_rb_read_literal(rb, 2); // 2 bits
cm->show_frame = aom_rb_read_bit(rb);
cm->intra_only = cm->frame_type == INTRA_ONLY_FRAME;
#endif
cm->show_frame = aom_rb_read_bit(rb);
cm->error_resilient_mode = aom_rb_read_bit(rb);
#if CONFIG_REFERENCE_BUFFER
if (pbi->seq_params.frame_id_numbers_present_flag) {
int frame_id_length = pbi->seq_params.frame_id_length_minus7 + 7;
int diff_len = pbi->seq_params.delta_frame_id_length_minus2 + 2;
int prev_frame_id = 0;
if (cm->frame_type != KEY_FRAME) {
prev_frame_id = cm->current_frame_id;
}
cm->current_frame_id = aom_rb_read_literal(rb, frame_id_length);
if (cm->frame_type != KEY_FRAME) {
int diff_frame_id;
if (cm->current_frame_id > prev_frame_id) {
diff_frame_id = cm->current_frame_id - prev_frame_id;
} else {
diff_frame_id =
(1 << frame_id_length) + cm->current_frame_id - prev_frame_id;
if (cm->frame_type == KEY_FRAME) {
cm->use_reference_buffer = aom_rb_read_bit(rb);
#if !CONFIG_OBU
read_sequence_header(&pbi->seq_params);
#endif // !CONFIG_OBU
}
if (cm->use_reference_buffer) {
if (pbi->seq_params.frame_id_numbers_present_flag) {
int frame_id_length = pbi->seq_params.frame_id_length_minus7 + 7;
int diff_len = pbi->seq_params.delta_frame_id_length_minus2 + 2;
int prev_frame_id = 0;
if (cm->frame_type != KEY_FRAME) {
prev_frame_id = cm->current_frame_id;
}
/* Check current_frame_id for conformance */
if (prev_frame_id == cm->current_frame_id ||
diff_frame_id >= (1 << (frame_id_length - 1))) {
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Invalid value of current_frame_id");
cm->current_frame_id = aom_rb_read_literal(rb, frame_id_length);
if (cm->frame_type != KEY_FRAME) {
int diff_frame_id;
if (cm->current_frame_id > prev_frame_id) {
diff_frame_id = cm->current_frame_id - prev_frame_id;
} else {
diff_frame_id =
(1 << frame_id_length) + cm->current_frame_id - prev_frame_id;
}
/* Check current_frame_id for conformance */
if (prev_frame_id == cm->current_frame_id ||
diff_frame_id >= (1 << (frame_id_length - 1))) {
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Invalid value of current_frame_id");
}
}
}
/* Check if some frames need to be marked as not valid for referencing */
for (i = 0; i < REF_FRAMES; i++) {
if (cm->frame_type == KEY_FRAME) {
cm->valid_for_referencing[i] = 0;
} else if (cm->current_frame_id - (1 << diff_len) > 0) {
if (cm->ref_frame_id[i] > cm->current_frame_id ||
cm->ref_frame_id[i] < cm->current_frame_id - (1 << diff_len))
cm->valid_for_referencing[i] = 0;
} else {
if (cm->ref_frame_id[i] > cm->current_frame_id &&
cm->ref_frame_id[i] <
(1 << frame_id_length) + cm->current_frame_id - (1 << diff_len))
/* Check if some frames need to be marked as not valid for referencing */
for (i = 0; i < REF_FRAMES; i++) {
if (cm->frame_type == KEY_FRAME) {
cm->valid_for_referencing[i] = 0;
} else if (cm->current_frame_id - (1 << diff_len) > 0) {
if (cm->ref_frame_id[i] > cm->current_frame_id ||
cm->ref_frame_id[i] < cm->current_frame_id - (1 << diff_len))
cm->valid_for_referencing[i] = 0;
} else {
if (cm->ref_frame_id[i] > cm->current_frame_id &&
cm->ref_frame_id[i] < (1 << frame_id_length) +
cm->current_frame_id - (1 << diff_len))
cm->valid_for_referencing[i] = 0;
}
}
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
if (cm->frame_type == KEY_FRAME) {
#if !CONFIG_OBU
read_bitdepth_colorspace_sampling(cm, rb, pbi->allow_lowbitdepth);
......@@ -4763,9 +4769,6 @@ static size_t read_uncompressed_header(AV1Decoder *pbi,
cm->use_prev_frame_mvs = 0;
#endif
} else {
#if !CONFIG_OBU
cm->intra_only = cm->show_frame ? 0 : aom_rb_read_bit(rb);
#endif
if (cm->intra_only) cm->allow_screen_content_tools = aom_rb_read_bit(rb);
#if CONFIG_TEMPMV_SIGNALING
if (cm->intra_only || cm->error_resilient_mode) cm->use_prev_frame_mvs = 0;
......@@ -4838,22 +4841,24 @@ static size_t read_uncompressed_header(AV1Decoder *pbi,
cm->ref_frame_sign_bias[LAST_FRAME + i] = aom_rb_read_bit(rb);
#endif
#if CONFIG_REFERENCE_BUFFER
if (pbi->seq_params.frame_id_numbers_present_flag) {
int frame_id_length = pbi->seq_params.frame_id_length_minus7 + 7;
int diff_len = pbi->seq_params.delta_frame_id_length_minus2 + 2;
int delta_frame_id_minus1 = aom_rb_read_literal(rb, diff_len);
int ref_frame_id =
((cm->current_frame_id - (delta_frame_id_minus1 + 1) +
(1 << frame_id_length)) %
(1 << frame_id_length));
/* Compare values derived from delta_frame_id_minus1 and
* refresh_frame_flags. Also, check valid for referencing */
if (ref_frame_id != cm->ref_frame_id[ref] ||
cm->valid_for_referencing[ref] == 0)
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Reference buffer frame ID mismatch");
if (cm->use_reference_buffer) {
if (pbi->seq_params.frame_id_numbers_present_flag) {
int frame_id_length = pbi->seq_params.frame_id_length_minus7 + 7;
int diff_len = pbi->seq_params.delta_frame_id_length_minus2 + 2;
int delta_frame_id_minus1 = aom_rb_read_literal(rb, diff_len);
int ref_frame_id =
((cm->current_frame_id - (delta_frame_id_minus1 + 1) +
(1 << frame_id_length)) %
(1 << frame_id_length));
/* Compare values derived from delta_frame_id_minus1 and
* refresh_frame_flags. Also, check valid for referencing */
if (ref_frame_id != cm->ref_frame_id[ref] ||
cm->valid_for_referencing[ref] == 0)
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Reference buffer frame ID mismatch");
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
}
#if CONFIG_VAR_REFS
......@@ -4914,19 +4919,21 @@ static size_t read_uncompressed_header(AV1Decoder *pbi,
#endif
#if CONFIG_REFERENCE_BUFFER
if (pbi->seq_params.frame_id_numbers_present_flag) {
/* If bitmask is set, update reference frame id values and
mark frames as valid for reference */
int refresh_frame_flags =
cm->frame_type == KEY_FRAME ? 0xFF : pbi->refresh_frame_flags;
for (i = 0; i < REF_FRAMES; i++) {
if ((refresh_frame_flags >> i) & 1) {
cm->ref_frame_id[i] = cm->current_frame_id;
cm->valid_for_referencing[i] = 1;
if (cm->use_reference_buffer) {
if (pbi->seq_params.frame_id_numbers_present_flag) {
/* If bitmask is set, update reference frame id values and
mark frames as valid for reference */
int refresh_frame_flags =
cm->frame_type == KEY_FRAME ? 0xFF : pbi->refresh_frame_flags;
for (i = 0; i < REF_FRAMES; i++) {
if ((refresh_frame_flags >> i) & 1) {
cm->ref_frame_id[i] = cm->current_frame_id;
cm->valid_for_referencing[i] = 1;
}
}
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
get_frame_new_buffer(cm)->bit_depth = cm->bit_depth;
get_frame_new_buffer(cm)->color_space = cm->color_space;
......
av1/decoder/decoder.h
View file @ 778023d2
......@@ -142,7 +142,7 @@ typedef struct AV1Decoder {
int tg_size_bit_offset;
#if CONFIG_REFERENCE_BUFFER
SequenceHeader seq_params;
#endif
#endif // CONFIG_REFERENCE_BUFFER
#if CONFIG_INSPECTION
aom_inspect_cb inspect_cb;
void *inspect_ctx;
......
av1/encoder/bitstream.c
View file @ 778023d2
......@@ -4331,7 +4331,7 @@ void write_sequence_header(
seq_params->frame_id_length_minus7 = FRAME_ID_LENGTH_MINUS7;
seq_params->delta_frame_id_length_minus2 = DELTA_FRAME_ID_LENGTH_MINUS2;
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
static void write_sb_size(const AV1_COMMON *cm,
struct aom_write_bit_buffer *wb) {
......@@ -4495,15 +4495,6 @@ static void write_uncompressed_header_frame(AV1_COMP *cpi,
AV1_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
#if CONFIG_REFERENCE_BUFFER
/* TODO: Move outside frame loop or inside key-frame branch */
write_sequence_header(
#if CONFIG_EXT_TILE
cm,
#endif // CONFIG_EXT_TILE
&cpi->seq_params);
#endif
aom_wb_write_literal(wb, AOM_FRAME_MARKER, 2);
write_profile(cm->profile, wb);
......@@ -4531,16 +4522,18 @@ static void write_uncompressed_header_frame(AV1_COMP *cpi,
aom_wb_write_literal(wb, cpi->existing_fb_idx_to_show, 3);
#if CONFIG_REFERENCE_BUFFER
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int display_frame_id = cm->ref_frame_id[cpi->existing_fb_idx_to_show];
aom_wb_write_literal(wb, display_frame_id, frame_id_len);
/* Add a zero byte to prevent emulation of superframe marker */
/* Same logic as when when terminating the entropy coder */
/* Consider to have this logic only one place */
aom_wb_write_literal(wb, 0, 8);
if (cm->use_reference_buffer) {
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int display_frame_id = cm->ref_frame_id[cpi->existing_fb_idx_to_show];
aom_wb_write_literal(wb, display_frame_id, frame_id_len);
/* Add a zero byte to prevent emulation of superframe marker */
/* Same logic as when when terminating the entropy coder */
/* Consider to have this logic only one place */
aom_wb_write_literal(wb, 0, 8);
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
return;
} else {
......@@ -4552,16 +4545,31 @@ static void write_uncompressed_header_frame(AV1_COMP *cpi,
aom_wb_write_bit(wb, cm->frame_type);
aom_wb_write_bit(wb, cm->show_frame);
if (cm->frame_type != KEY_FRAME)
if (!cm->show_frame) aom_wb_write_bit(wb, cm->intra_only);
aom_wb_write_bit(wb, cm->error_resilient_mode);
if (cm->frame_type == KEY_FRAME) {
#if CONFIG_REFERENCE_BUFFER
cm->invalid_delta_frame_id_minus1 = 0;
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
aom_wb_write_literal(wb, cm->current_frame_id, frame_id_len);
aom_wb_write_bit(wb, cm->use_reference_buffer);
if (cm->use_reference_buffer) {
write_sequence_header(
#if CONFIG_EXT_TILE
cm,
#endif // CONFIG_EXT_TILE
&cpi->seq_params);
}
#endif // CONFIG_REFERENCE_BUFFER
}
#endif
#if CONFIG_REFERENCE_BUFFER
if (cm->use_reference_buffer) {
cm->invalid_delta_frame_id_minus1 = 0;
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
aom_wb_write_literal(wb, cm->current_frame_id, frame_id_len);
}
}
#endif // CONFIG_REFERENCE_BUFFER
if (cm->frame_type == KEY_FRAME) {
write_bitdepth_colorspace_sampling(cm, wb);
write_frame_size(cm, wb);
......@@ -4584,7 +4592,6 @@ static void write_uncompressed_header_frame(AV1_COMP *cpi,
}
#endif
} else {
if (!cm->show_frame) aom_wb_write_bit(wb, cm->intra_only);
if (cm->intra_only) aom_wb_write_bit(wb, cm->allow_screen_content_tools);
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
if (!cm->error_resilient_mode) {
......@@ -4642,21 +4649,23 @@ static void write_uncompressed_header_frame(AV1_COMP *cpi,
REF_FRAMES_LOG2);
aom_wb_write_bit(wb, cm->ref_frame_sign_bias[ref_frame]);
#if CONFIG_REFERENCE_BUFFER
if (cpi->seq_params.frame_id_numbers_present_flag) {
int i = get_ref_frame_map_idx(cpi, ref_frame);
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int diff_len = cpi->seq_params.delta_frame_id_length_minus2 + 2;
int delta_frame_id_minus1 =
((cm->current_frame_id - cm->ref_frame_id[i] +
(1 << frame_id_len)) %
(1 << frame_id_len)) -
1;
if (delta_frame_id_minus1 < 0 ||
delta_frame_id_minus1 >= (1 << diff_len))
cm->invalid_delta_frame_id_minus1 = 1;
aom_wb_write_literal(wb, delta_frame_id_minus1, diff_len);
if (cm->use_reference_buffer) {
if (cpi->seq_params.frame_id_numbers_present_flag) {
int i = get_ref_frame_map_idx(cpi, ref_frame);
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int diff_len = cpi->seq_params.delta_frame_id_length_minus2 + 2;
int delta_frame_id_minus1 =
((cm->current_frame_id - cm->ref_frame_id[i] +
(1 << frame_id_len)) %
(1 << frame_id_len)) -
1;
if (delta_frame_id_minus1 < 0 ||
delta_frame_id_minus1 >= (1 << diff_len))
cm->invalid_delta_frame_id_minus1 = 1;
aom_wb_write_literal(wb, delta_frame_id_minus1, diff_len);
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
}
#if CONFIG_FRAME_SIZE
......@@ -4702,8 +4711,11 @@ static void write_uncompressed_header_frame(AV1_COMP *cpi,
#endif
#if CONFIG_REFERENCE_BUFFER
cm->refresh_mask = cm->frame_type == KEY_FRAME ? 0xFF : get_refresh_mask(cpi);
#endif
if (cm->use_reference_buffer) {
cm->refresh_mask =
cm->frame_type == KEY_FRAME ? 0xFF : get_refresh_mask(cpi);
}
#endif // CONFIG_REFERENCE_BUFFER
if (!cm->error_resilient_mode) {
aom_wb_write_bit(
......@@ -4811,16 +4823,18 @@ static void write_uncompressed_header_obu(AV1_COMP *cpi,
aom_wb_write_literal(wb, cpi->existing_fb_idx_to_show, 3);
#if CONFIG_REFERENCE_BUFFER
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int display_frame_id = cm->ref_frame_id[cpi->existing_fb_idx_to_show];
aom_wb_write_literal(wb, display_frame_id, frame_id_len);
/* Add a zero byte to prevent emulation of superframe marker */
/* Same logic as when when terminating the entropy coder */
/* Consider to have this logic only one place */
aom_wb_write_literal(wb, 0, 8);
if (cm->use_reference_buffer) {
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int display_frame_id = cm->ref_frame_id[cpi->existing_fb_idx_to_show];
aom_wb_write_literal(wb, display_frame_id, frame_id_len);
/* Add a zero byte to prevent emulation of superframe marker */
/* Same logic as when when terminating the entropy coder */
/* Consider to have this logic only one place */
aom_wb_write_literal(wb, 0, 8);
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
return;
} else {
......@@ -4839,13 +4853,20 @@ static void write_uncompressed_header_obu(AV1_COMP *cpi,
aom_wb_write_bit(wb, cm->error_resilient_mode);
#if CONFIG_REFERENCE_BUFFER
cm->invalid_delta_frame_id_minus1 = 0;
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
aom_wb_write_literal(wb, cm->current_frame_id, frame_id_len);
if (cm->frame_type == KEY_FRAME) {
aom_wb_write_bit(wb, cm->use_reference_buffer);
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
#if CONFIG_REFERENCE_BUFFER
if (cm->use_reference_buffer) {
cm->invalid_delta_frame_id_minus1 = 0;
if (cpi->seq_params.frame_id_numbers_present_flag) {
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
aom_wb_write_literal(wb, cm->current_frame_id, frame_id_len);
}
}
#endif // CONFIG_REFERENCE_BUFFER
if (cm->frame_type == KEY_FRAME) {
write_frame_size(cm, wb);
write_sb_size(cm, wb);
......@@ -4896,7 +4917,6 @@ static void write_uncompressed_header_obu(AV1_COMP *cpi,
}
} else if (cm->frame_type == INTER_FRAME) {
MV_REFERENCE_FRAME ref_frame;
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
if (!cm->error_resilient_mode) {
aom_wb_write_bit(wb, cm->reset_frame_context != RESET_FRAME_CONTEXT_NONE);
......@@ -4927,21 +4947,23 @@ static void write_uncompressed_header_obu(AV1_COMP *cpi,
REF_FRAMES_LOG2);
aom_wb_write_bit(wb, cm->ref_frame_sign_bias[ref_frame]);
#if CONFIG_REFERENCE_BUFFER
if (cpi->seq_params.frame_id_numbers_present_flag) {
int i = get_ref_frame_map_idx(cpi, ref_frame);
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int diff_len = cpi->seq_params.delta_frame_id_length_minus2 + 2;
int delta_frame_id_minus1 =
((cm->current_frame_id - cm->ref_frame_id[i] +
(1 << frame_id_len)) %
(1 << frame_id_len)) -
1;
if (delta_frame_id_minus1 < 0 ||
delta_frame_id_minus1 >= (1 << diff_len))
cm->invalid_delta_frame_id_minus1 = 1;
aom_wb_write_literal(wb, delta_frame_id_minus1, diff_len);
if (cm->use_reference_buffer) {
if (cpi->seq_params.frame_id_numbers_present_flag) {
int i = get_ref_frame_map_idx(cpi, ref_frame);
int frame_id_len = cpi->seq_params.frame_id_length_minus7 + 7;
int diff_len = cpi->seq_params.delta_frame_id_length_minus2 + 2;
int delta_frame_id_minus1 =
((cm->current_frame_id - cm->ref_frame_id[i] +
(1 << frame_id_len)) %
(1 << frame_id_len)) -
1;
if (delta_frame_id_minus1 < 0 ||
delta_frame_id_minus1 >= (1 << diff_len))
cm->invalid_delta_frame_id_minus1 = 1;
aom_wb_write_literal(wb, delta_frame_id_minus1, diff_len);
}
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
}
#if CONFIG_FRAME_SIZE
......@@ -5008,7 +5030,7 @@ static void write_uncompressed_header_obu(AV1_COMP *cpi,
cm->invalid_delta_frame_id_minus1 = 1;
aom_wb_write_literal(wb, delta_frame_id_minus1, diff_len);
}
#endif
#endif // CONFIG_REFERENCE_BUFFER
}