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@@ -111,7 +111,6 @@ endif() | |
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| list(APPEND RE_DEFINITIONS | ||
| HAVE_ATOMIC | ||
| HAVE_INET6 | ||
| HAVE_SELECT | ||
| ) | ||
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| @@ -1,3 +1,9 @@ | ||
| libre (3.14.0) unstable; urgency=medium | ||
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| * version 3.14.0 | ||
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| -- Sebastian Reimers <[email protected]> Tue, 23 Jul 2024 09:00:00 +0200 | ||
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| libre (3.13.0) unstable; urgency=medium | ||
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| * version 3.13.0 | ||
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| @@ -0,0 +1,109 @@ | ||
| /** | ||
| * @file re_dd.h Dependency Descriptor (DD) | ||
| * | ||
| * Copyright (C) 2010 - 2023 Alfred E. Heggestad | ||
| */ | ||
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| /* | ||
| * Put bits wrapper (XXX: move to common place) | ||
| */ | ||
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| struct putbit { | ||
| struct mbuf *mb; | ||
| size_t bit_pos; | ||
| }; | ||
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| void putbit_init(struct putbit *pb, struct mbuf *mb); | ||
| int putbit_one(struct putbit *pb, unsigned bit); | ||
| int putbit_write(struct putbit *pb, unsigned count, unsigned val); | ||
| int putbit_write_ns(struct putbit *pb, unsigned n, unsigned v); | ||
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| /* | ||
| * Dependency Descriptor (DD) | ||
| * | ||
| * DT: Decode Target | ||
| * DTI: Decode Target Indication | ||
| * SID: Spatial ID | ||
| * TID: Temporal ID | ||
| */ | ||
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| /* Constants. */ | ||
| enum { | ||
| DD_MAX_SPATIAL_IDS = 4u, | ||
| DD_MAX_TEMPORAL_IDS = 4u, | ||
| DD_MAX_TEMPLATES = 8u, | ||
| DD_MAX_FDIFFS = 16u, | ||
| DD_MAX_DECODE_TARGETS= 16u, | ||
| DD_MAX_CHAINS = 32u, | ||
| }; | ||
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| /* Decode Target Indication (DTI) */ | ||
| enum dd_dti { | ||
| DD_DTI_NOT_PRESENT = 0, | ||
| DD_DTI_DISCARDABLE = 1, | ||
| DD_DTI_SWITCH = 2, | ||
| DD_DTI_REQUIRED = 3, | ||
| }; | ||
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| enum dd_next_layer_idc { | ||
| DD_SAME_LAYER = 0, | ||
| DD_NEXT_TEMPORAL_LAYER = 1, | ||
| DD_NEXT_SPATIAL_LAYER = 2, | ||
| DD_NO_MORE_TEMPLATES = 3, | ||
| }; | ||
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| /* | ||
| * https://aomediacodec.github.io/av1-rtp-spec/ | ||
| * #dependency-descriptor-rtp-header-extension | ||
| */ | ||
| struct dd { | ||
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| /* Mandatory Descriptor Fields */ | ||
| unsigned start_of_frame:1; | ||
| unsigned end_of_frame:1; | ||
| unsigned frame_dependency_template_id:6; | ||
| uint16_t frame_number; | ||
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| // TODO: needed? | ||
| bool ext; | ||
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| unsigned template_dependency_structure_present_flag:1; | ||
| unsigned active_decode_targets_present_flag:1; | ||
| unsigned custom_dtis_flag:1; | ||
| unsigned custom_fdiffs_flag:1; | ||
| unsigned custom_chains_flag:1; | ||
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| unsigned active_decode_targets_bitmask; | ||
| unsigned template_id_offset:6; | ||
| uint8_t dt_cnt; | ||
| uint8_t template_cnt; | ||
| uint8_t max_spatial_id; | ||
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| uint8_t template_spatial_id[DD_MAX_TEMPLATES]; | ||
| uint8_t template_temporal_id[DD_MAX_TEMPLATES]; | ||
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| /* render_resolutions */ | ||
| bool resolutions_present_flag; | ||
| uint16_t max_render_width_minus_1[DD_MAX_SPATIAL_IDS]; | ||
| uint16_t max_render_height_minus_1[DD_MAX_SPATIAL_IDS]; | ||
| uint8_t render_count; | ||
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| /* type: enum dd_dti */ | ||
| uint8_t template_dti[DD_MAX_TEMPLATES][DD_MAX_DECODE_TARGETS]; | ||
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| /* template fdiffs */ | ||
| uint8_t template_fdiff[DD_MAX_TEMPLATES][DD_MAX_FDIFFS]; | ||
| uint8_t template_fdiff_cnt[DD_MAX_TEMPLATES]; | ||
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| /* template chains */ | ||
| uint8_t decode_target_protected_by[DD_MAX_DECODE_TARGETS]; | ||
| uint8_t template_chain_fdiff[DD_MAX_TEMPLATES][DD_MAX_CHAINS]; | ||
| uint8_t chain_cnt; | ||
| }; | ||
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| int dd_encode(struct mbuf *mb, const struct dd *dd); | ||
| int dd_decode(struct dd *dd, const uint8_t *buf, size_t sz); | ||
| void dd_print(const struct dd *dd); |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,61 @@ | ||
| /** | ||
| * @file getbit.c Get bits helper | ||
| * | ||
| * Copyright (C) 2023 Alfred E. Heggestad | ||
| */ | ||
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| #include <re.h> | ||
| #include <re_av1.h> | ||
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| #define DEBUG_MODULE "av1" | ||
| #define DEBUG_LEVEL 5 | ||
| #include <re_dbg.h> | ||
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| void getbit_init(struct getbit *gb, const uint8_t *buf, size_t size_bits) | ||
| { | ||
| if (!gb) | ||
| return; | ||
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| gb->buf = buf; | ||
| gb->pos = 0; | ||
| gb->end = size_bits; | ||
| } | ||
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| size_t getbit_get_left(const struct getbit *gb) | ||
| { | ||
| if (!gb) | ||
| return 0; | ||
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| if (gb->end > gb->pos) | ||
| return gb->end - gb->pos; | ||
| else | ||
| return 0; | ||
| } | ||
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| unsigned get_bit(struct getbit *gb) | ||
| { | ||
| register unsigned tmp; | ||
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| if (!gb) | ||
| return 0; | ||
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| if (gb->pos >= gb->end) { | ||
| DEBUG_WARNING("get_bit: read past end" | ||
| " (%zu >= %zu)\n", gb->pos, gb->end); | ||
| assert(0); | ||
| return 0; | ||
| } | ||
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| const uint8_t *p = gb->buf; | ||
| tmp = ((*(p + (gb->pos >> 0x3))) >> (0x7 - (gb->pos & 0x7))) & 0x1; | ||
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| ++gb->pos; | ||
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| return tmp; | ||
| } | ||
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