FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/cbs_vp9_syntax_template.c	Lines:	204	225	90.7 %
Date:	2020-09-21 17:35:45	Branches:	175	308	56.8 %


/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

static int FUNC(frame_sync_code)(CodedBitstreamContext *ctx, RWContext *rw,
                                 VP9RawFrameHeader *current)
{
    int err;

    fixed(8, frame_sync_byte_0, VP9_FRAME_SYNC_0);
    fixed(8, frame_sync_byte_1, VP9_FRAME_SYNC_1);
    fixed(8, frame_sync_byte_2, VP9_FRAME_SYNC_2);

    return 0;
}

static int FUNC(color_config)(CodedBitstreamContext *ctx, RWContext *rw,
                              VP9RawFrameHeader *current, int profile)
{
    CodedBitstreamVP9Context *vp9 = ctx->priv_data;
    int err;

    if (profile >= 2) {
        f(1, ten_or_twelve_bit);
        vp9->bit_depth = current->ten_or_twelve_bit ? 12 : 10;
    } else
        vp9->bit_depth = 8;

    f(3, color_space);

    if (current->color_space != VP9_CS_RGB) {
        f(1, color_range);
        if (profile == 1 || profile == 3) {
            f(1, subsampling_x);
            f(1, subsampling_y);
            fixed(1, reserved_zero, 0);
        } else {
            infer(subsampling_x, 1);
            infer(subsampling_y, 1);
        }
    } else {
        infer(color_range, 1);
        if (profile == 1 || profile == 3) {
            infer(subsampling_x, 0);
            infer(subsampling_y, 0);
            fixed(1, reserved_zero, 0);
        }
    }

    vp9->subsampling_x = current->subsampling_x;
    vp9->subsampling_y = current->subsampling_y;

    return 0;
}

static int FUNC(frame_size)(CodedBitstreamContext *ctx, RWContext *rw,
                            VP9RawFrameHeader *current)
{
    CodedBitstreamVP9Context *vp9 = ctx->priv_data;
    int err;

    f(16, frame_width_minus_1);
    f(16, frame_height_minus_1);

    vp9->frame_width  = current->frame_width_minus_1  + 1;
    vp9->frame_height = current->frame_height_minus_1 + 1;

    vp9->mi_cols = (vp9->frame_width  + 7) >> 3;
    vp9->mi_rows = (vp9->frame_height + 7) >> 3;
    vp9->sb64_cols = (vp9->mi_cols + 7) >> 3;
    vp9->sb64_rows = (vp9->mi_rows + 7) >> 3;

    return 0;
}

static int FUNC(render_size)(CodedBitstreamContext *ctx, RWContext *rw,
                             VP9RawFrameHeader *current)
{
    int err;

    f(1, render_and_frame_size_different);

    if (current->render_and_frame_size_different) {
        f(16, render_width_minus_1);
        f(16, render_height_minus_1);
    }

    return 0;
}

static int FUNC(frame_size_with_refs)(CodedBitstreamContext *ctx, RWContext *rw,
                                      VP9RawFrameHeader *current)
{
    CodedBitstreamVP9Context *vp9 = ctx->priv_data;
    int err, i;

    for (i = 0; i < VP9_REFS_PER_FRAME; i++) {
        fs(1, found_ref[i], 1, i);
        if (current->found_ref[i]) {
            VP9ReferenceFrameState *ref =
                &vp9->ref[current->ref_frame_idx[i]];

            vp9->frame_width   = ref->frame_width;
            vp9->frame_height  = ref->frame_height;

            vp9->subsampling_x = ref->subsampling_x;
            vp9->subsampling_y = ref->subsampling_y;
            vp9->bit_depth     = ref->bit_depth;

            break;
        }
    }
    if (i >= VP9_REFS_PER_FRAME)
        CHECK(FUNC(frame_size)(ctx, rw, current));
    else {
        vp9->mi_cols = (vp9->frame_width  + 7) >> 3;
        vp9->mi_rows = (vp9->frame_height + 7) >> 3;
        vp9->sb64_cols = (vp9->mi_cols + 7) >> 3;
        vp9->sb64_rows = (vp9->mi_rows + 7) >> 3;
    }
    CHECK(FUNC(render_size)(ctx, rw, current));

    return 0;
}

static int FUNC(interpolation_filter)(CodedBitstreamContext *ctx, RWContext *rw,
                                      VP9RawFrameHeader *current)
{
    int err;

    f(1, is_filter_switchable);
    if (!current->is_filter_switchable)
        f(2, raw_interpolation_filter_type);

    return 0;
}

static int FUNC(loop_filter_params)(CodedBitstreamContext *ctx, RWContext *rw,
                                    VP9RawFrameHeader *current)
{
    int err, i;

    f(6, loop_filter_level);
    f(3, loop_filter_sharpness);

    f(1, loop_filter_delta_enabled);
    if (current->loop_filter_delta_enabled) {
        f(1, loop_filter_delta_update);
        if (current->loop_filter_delta_update) {
            for (i = 0; i < VP9_MAX_REF_FRAMES; i++) {
                fs(1, update_ref_delta[i], 1, i);
                if (current->update_ref_delta[i])
                    ss(6, loop_filter_ref_deltas[i], 1, i);
            }
            for (i = 0; i < 2; i++) {
                fs(1, update_mode_delta[i], 1, i);
                if (current->update_mode_delta[i])
                    ss(6, loop_filter_mode_deltas[i], 1, i);
            }
        }
    }

    return 0;
}

static int FUNC(quantization_params)(CodedBitstreamContext *ctx, RWContext *rw,
                                     VP9RawFrameHeader *current)
{
    int err;

    f(8, base_q_idx);

    delta_q(delta_q_y_dc);
    delta_q(delta_q_uv_dc);
    delta_q(delta_q_uv_ac);

    return 0;
}

static int FUNC(segmentation_params)(CodedBitstreamContext *ctx, RWContext *rw,
                                     VP9RawFrameHeader *current)
{
    static const uint8_t segmentation_feature_bits[VP9_SEG_LVL_MAX]   = { 8, 6, 2, 0 };
    static const uint8_t segmentation_feature_signed[VP9_SEG_LVL_MAX] = { 1, 1, 0, 0 };

    int err, i, j;

    f(1, segmentation_enabled);

    if (current->segmentation_enabled) {
        f(1, segmentation_update_map);
        if (current->segmentation_update_map) {
            for (i = 0; i < 7; i++)
                prob(segmentation_tree_probs[i], 1, i);
            f(1, segmentation_temporal_update);
            for (i = 0; i < 3; i++) {
                if (current->segmentation_temporal_update)
                    prob(segmentation_pred_prob[i], 1, i);
                else
                    infer(segmentation_pred_prob[i], 255);
            }
        }

        f(1, segmentation_update_data);
        if (current->segmentation_update_data) {
            f(1, segmentation_abs_or_delta_update);
            for (i = 0; i < VP9_MAX_SEGMENTS; i++) {
                for (j = 0; j < VP9_SEG_LVL_MAX; j++) {
                    fs(1, feature_enabled[i][j], 2, i, j);
                    if (current->feature_enabled[i][j] &&
                        segmentation_feature_bits[j]) {
                        fs(segmentation_feature_bits[j],
                           feature_value[i][j], 2, i, j);
                        if (segmentation_feature_signed[j])
                            fs(1, feature_sign[i][j], 2, i, j);
                        else
                            infer(feature_sign[i][j], 0);
                    } else {
                        infer(feature_value[i][j], 0);
                        infer(feature_sign[i][j],  0);
                    }
                }
            }
        }
    }

    return 0;
}

static int FUNC(tile_info)(CodedBitstreamContext *ctx, RWContext *rw,
                           VP9RawFrameHeader *current)
{
    CodedBitstreamVP9Context *vp9 = ctx->priv_data;
    int min_log2_tile_cols, max_log2_tile_cols;
    int err;

    min_log2_tile_cols = 0;
    while ((VP9_MAX_TILE_WIDTH_B64 << min_log2_tile_cols) < vp9->sb64_cols)
        ++min_log2_tile_cols;
    max_log2_tile_cols = 0;
    while ((vp9->sb64_cols >> (max_log2_tile_cols + 1)) >= VP9_MIN_TILE_WIDTH_B64)
        ++max_log2_tile_cols;

    increment(tile_cols_log2, min_log2_tile_cols, max_log2_tile_cols);

    increment(tile_rows_log2, 0, 2);

    return 0;
}

static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
                                     VP9RawFrameHeader *current)
{
    CodedBitstreamVP9Context *vp9 = ctx->priv_data;
    int err, i;

    f(2, frame_marker);

    f(1, profile_low_bit);
    f(1, profile_high_bit);
    vp9->profile = (current->profile_high_bit << 1) + current->profile_low_bit;
    if (vp9->profile == 3)
        fixed(1, reserved_zero, 0);

    f(1, show_existing_frame);
    if (current->show_existing_frame) {
        f(3, frame_to_show_map_idx);
        infer(header_size_in_bytes, 0);
        infer(refresh_frame_flags,  0x00);
        infer(loop_filter_level,    0);
        return 0;
    }

    f(1, frame_type);
    f(1, show_frame);
    f(1, error_resilient_mode);

    if (current->frame_type == VP9_KEY_FRAME) {
        CHECK(FUNC(frame_sync_code)(ctx, rw, current));
        CHECK(FUNC(color_config)(ctx, rw, current, vp9->profile));
        CHECK(FUNC(frame_size)(ctx, rw, current));
        CHECK(FUNC(render_size)(ctx, rw, current));

        infer(refresh_frame_flags, 0xff);

    } else {
         if (current->show_frame == 0)
             f(1, intra_only);
         else
             infer(intra_only, 0);

         if (current->error_resilient_mode == 0)
             f(2, reset_frame_context);
         else
             infer(reset_frame_context, 0);

         if (current->intra_only == 1) {
             CHECK(FUNC(frame_sync_code)(ctx, rw, current));

             if (vp9->profile > 0) {
                 CHECK(FUNC(color_config)(ctx, rw, current, vp9->profile));
             } else {
                 infer(color_space,   1);
                 infer(subsampling_x, 1);
                 infer(subsampling_y, 1);
                 vp9->bit_depth = 8;

                 vp9->subsampling_x = current->subsampling_x;
                 vp9->subsampling_y = current->subsampling_y;
             }

             f(8, refresh_frame_flags);

             CHECK(FUNC(frame_size)(ctx, rw, current));
             CHECK(FUNC(render_size)(ctx, rw, current));
         } else {
             f(8, refresh_frame_flags);

             for (i = 0; i < VP9_REFS_PER_FRAME; i++) {
                 fs(3, ref_frame_idx[i], 1, i);
                 fs(1, ref_frame_sign_bias[VP9_LAST_FRAME + i],
                    1, VP9_LAST_FRAME + i);
             }

             CHECK(FUNC(frame_size_with_refs)(ctx, rw, current));
             f(1, allow_high_precision_mv);
             CHECK(FUNC(interpolation_filter)(ctx, rw, current));
         }
    }

    if (current->error_resilient_mode == 0) {
        f(1, refresh_frame_context);
        f(1, frame_parallel_decoding_mode);
    } else {
        infer(refresh_frame_context,        0);
        infer(frame_parallel_decoding_mode, 1);
    }

    f(2, frame_context_idx);

    CHECK(FUNC(loop_filter_params)(ctx, rw, current));
    CHECK(FUNC(quantization_params)(ctx, rw, current));
    CHECK(FUNC(segmentation_params)(ctx, rw, current));
    CHECK(FUNC(tile_info)(ctx, rw, current));

    f(16, header_size_in_bytes);

    for (i = 0; i < VP9_NUM_REF_FRAMES; i++) {
        if (current->refresh_frame_flags & (1 << i)) {
            vp9->ref[i] = (VP9ReferenceFrameState) {
                .frame_width    = vp9->frame_width,
                .frame_height   = vp9->frame_height,
                .subsampling_x  = vp9->subsampling_x,
                .subsampling_y  = vp9->subsampling_y,
                .bit_depth      = vp9->bit_depth,
            };
        }
    }

    av_log(ctx->log_ctx, AV_LOG_DEBUG, "Frame:  size %dx%d  "
           "subsample %dx%d  bit_depth %d  tiles %dx%d.\n",
           vp9->frame_width, vp9->frame_height,
           vp9->subsampling_x, vp9->subsampling_y,
           vp9->bit_depth, 1 << current->tile_cols_log2,
           1 << current->tile_rows_log2);

    return 0;
}

static int FUNC(trailing_bits)(CodedBitstreamContext *ctx, RWContext *rw)
{
    int err;
    while (byte_alignment(rw) != 0)
        fixed(1, zero_bit, 0);

    return 0;
}

static int FUNC(frame)(CodedBitstreamContext *ctx, RWContext *rw,
                       VP9RawFrame *current)
{
    int err;

    HEADER("Frame");

    CHECK(FUNC(uncompressed_header)(ctx, rw, &current->header));

    CHECK(FUNC(trailing_bits)(ctx, rw));

    return 0;
}

static int FUNC(superframe_index)(CodedBitstreamContext *ctx, RWContext *rw,
                                  VP9RawSuperframeIndex *current)
{
    int err, i;

    HEADER("Superframe Index");

    f(3, superframe_marker);
    f(2, bytes_per_framesize_minus_1);
    f(3, frames_in_superframe_minus_1);

    for (i = 0; i <= current->frames_in_superframe_minus_1; i++) {
        // Surprise little-endian!
        fle(8 * (current->bytes_per_framesize_minus_1 + 1),
            frame_sizes[i], 1, i);
    }

    f(3, superframe_marker);
    f(2, bytes_per_framesize_minus_1);
    f(3, frames_in_superframe_minus_1);

    return 0;
}


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* This file is part of FFmpeg.
3			*
4			* FFmpeg is free software; you can redistribute it and/or
5			* modify it under the terms of the GNU Lesser General Public
6			* License as published by the Free Software Foundation; either
7			* version 2.1 of the License, or (at your option) any later version.
8			*
9			* FFmpeg is distributed in the hope that it will be useful,
10			* but WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12			* Lesser General Public License for more details.
13			*
14			* You should have received a copy of the GNU Lesser General Public
15			* License along with FFmpeg; if not, write to the Free Software
16			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17			*/
18
19		56	static int FUNC(frame_sync_code)(CodedBitstreamContext ctx, RWContext rw,
20			VP9RawFrameHeader *current)
21			{
22			int err;
23
24	✗✓	56	fixed(8, frame_sync_byte_0, VP9_FRAME_SYNC_0);
25	✗✓	56	fixed(8, frame_sync_byte_1, VP9_FRAME_SYNC_1);
26	✗✓	56	fixed(8, frame_sync_byte_2, VP9_FRAME_SYNC_2);
27
28		56	return 0;
29			}
30
31		56	static int FUNC(color_config)(CodedBitstreamContext ctx, RWContext rw,
32			VP9RawFrameHeader *current, int profile)
33			{
34		56	CodedBitstreamVP9Context *vp9 = ctx->priv_data;
35			int err;
36
37	✓✓	56	if (profile >= 2) {
38	✗✓	12	f(1, ten_or_twelve_bit);
39	✓✓	12	vp9->bit_depth = current->ten_or_twelve_bit ? 12 : 10;
40			} else
41		44	vp9->bit_depth = 8;
42
43	✗✓	56	f(3, color_space);
44
45	✓✗	56	if (current->color_space != VP9_CS_RGB) {
46	✗✓	56	f(1, color_range);
47	✓✓✓✓	56	if (profile == 1 \|\| profile == 3) {
48	✗✓	16	f(1, subsampling_x);
49	✗✓	16	f(1, subsampling_y);
50	✗✓	16	fixed(1, reserved_zero, 0);
51			} else {
52	✗✓	40	infer(subsampling_x, 1);
53	✗✓	40	infer(subsampling_y, 1);
54			}
55			} else {
56			infer(color_range, 1);
57			if (profile == 1 \|\| profile == 3) {
58			infer(subsampling_x, 0);
59			infer(subsampling_y, 0);
60			fixed(1, reserved_zero, 0);
61			}
62			}
63
64		56	vp9->subsampling_x = current->subsampling_x;
65		56	vp9->subsampling_y = current->subsampling_y;
66
67		56	return 0;
68			}
69
70		60	static int FUNC(frame_size)(CodedBitstreamContext ctx, RWContext rw,
71			VP9RawFrameHeader *current)
72			{
73		60	CodedBitstreamVP9Context *vp9 = ctx->priv_data;
74			int err;
75
76	✗✓	60	f(16, frame_width_minus_1);
77	✗✓	60	f(16, frame_height_minus_1);
78
79		60	vp9->frame_width = current->frame_width_minus_1 + 1;
80		60	vp9->frame_height = current->frame_height_minus_1 + 1;
81
82		60	vp9->mi_cols = (vp9->frame_width + 7) >> 3;
83		60	vp9->mi_rows = (vp9->frame_height + 7) >> 3;
84		60	vp9->sb64_cols = (vp9->mi_cols + 7) >> 3;
85		60	vp9->sb64_rows = (vp9->mi_rows + 7) >> 3;
86
87		60	return 0;
88			}
89
90		724	static int FUNC(render_size)(CodedBitstreamContext ctx, RWContext rw,
91			VP9RawFrameHeader *current)
92			{
93			int err;
94
95	✗✓	724	f(1, render_and_frame_size_different);
96
97	✓✓	724	if (current->render_and_frame_size_different) {
98	✗✓	12	f(16, render_width_minus_1);
99	✗✓	12	f(16, render_height_minus_1);
100			}
101
102		724	return 0;
103			}
104
105		668	static int FUNC(frame_size_with_refs)(CodedBitstreamContext ctx, RWContext rw,
106			VP9RawFrameHeader *current)
107			{
108		668	CodedBitstreamVP9Context *vp9 = ctx->priv_data;
109			int err, i;
110
111	✓✓	684	for (i = 0; i < VP9_REFS_PER_FRAME; i++) {
112	✗✓	680	fs(1, found_ref[i], 1, i);
113	✓✓	680	if (current->found_ref[i]) {
114		664	VP9ReferenceFrameState *ref =
115		664	&vp9->ref[current->ref_frame_idx[i]];
116
117		664	vp9->frame_width = ref->frame_width;
118		664	vp9->frame_height = ref->frame_height;
119
120		664	vp9->subsampling_x = ref->subsampling_x;
121		664	vp9->subsampling_y = ref->subsampling_y;
122		664	vp9->bit_depth = ref->bit_depth;
123
124		664	break;
125			}
126			}
127	✓✓	668	if (i >= VP9_REFS_PER_FRAME)
128	✗✓	4	CHECK(FUNC(frame_size)(ctx, rw, current));
129			else {
130		664	vp9->mi_cols = (vp9->frame_width + 7) >> 3;
131		664	vp9->mi_rows = (vp9->frame_height + 7) >> 3;
132		664	vp9->sb64_cols = (vp9->mi_cols + 7) >> 3;
133		664	vp9->sb64_rows = (vp9->mi_rows + 7) >> 3;
134			}
135	✗✓	668	CHECK(FUNC(render_size)(ctx, rw, current));
136
137		668	return 0;
138			}
139
140		668	static int FUNC(interpolation_filter)(CodedBitstreamContext ctx, RWContext rw,
141			VP9RawFrameHeader *current)
142			{
143			int err;
144
145	✗✓	668	f(1, is_filter_switchable);
146	✓✓	668	if (!current->is_filter_switchable)
147	✗✓	320	f(2, raw_interpolation_filter_type);
148
149		668	return 0;
150			}
151
152		724	static int FUNC(loop_filter_params)(CodedBitstreamContext ctx, RWContext rw,
153			VP9RawFrameHeader *current)
154			{
155			int err, i;
156
157	✗✓	724	f(6, loop_filter_level);
158	✗✓	724	f(3, loop_filter_sharpness);
159
160	✗✓	724	f(1, loop_filter_delta_enabled);
161	✓✓	724	if (current->loop_filter_delta_enabled) {
162	✗✓	664	f(1, loop_filter_delta_update);
163	✓✓	664	if (current->loop_filter_delta_update) {
164	✓✓	560	for (i = 0; i < VP9_MAX_REF_FRAMES; i++) {
165	✗✓	448	fs(1, update_ref_delta[i], 1, i);
166	✓✓	448	if (current->update_ref_delta[i])
167	✗✓	180	ss(6, loop_filter_ref_deltas[i], 1, i);
168			}
169	✓✓	336	for (i = 0; i < 2; i++) {
170	✗✓	224	fs(1, update_mode_delta[i], 1, i);
171	✓✓	224	if (current->update_mode_delta[i])
172	✗✓	8	ss(6, loop_filter_mode_deltas[i], 1, i);
173			}
174			}
175			}
176
177		724	return 0;
178			}
179
180		724	static int FUNC(quantization_params)(CodedBitstreamContext ctx, RWContext rw,
181			VP9RawFrameHeader *current)
182			{
183			int err;
184
185	✗✓	724	f(8, base_q_idx);
186
187	✗✓✓✓ ✗✓	724	delta_q(delta_q_y_dc);
188	✗✓✓✓ ✗✓	724	delta_q(delta_q_uv_dc);
189	✗✓✓✓ ✗✓	724	delta_q(delta_q_uv_ac);
190
191		724	return 0;
192			}
193
194		724	static int FUNC(segmentation_params)(CodedBitstreamContext ctx, RWContext rw,
195			VP9RawFrameHeader *current)
196			{
197			static const uint8_t segmentation_feature_bits[VP9_SEG_LVL_MAX] = { 8, 6, 2, 0 };
198			static const uint8_t segmentation_feature_signed[VP9_SEG_LVL_MAX] = { 1, 1, 0, 0 };
199
200			int err, i, j;
201
202	✗✓	724	f(1, segmentation_enabled);
203
204	✓✓	724	if (current->segmentation_enabled) {
205	✗✓	172	f(1, segmentation_update_map);
206	✓✓	172	if (current->segmentation_update_map) {
207	✓✓	864	for (i = 0; i < 7; i++)
208	✗✓✓✓ ✗✓	756	prob(segmentation_tree_probs[i], 1, i);
209	✗✓	108	f(1, segmentation_temporal_update);
210	✓✓	432	for (i = 0; i < 3; i++) {
211	✓✓	324	if (current->segmentation_temporal_update)
212	✗✓✓✗ ✗✓	312	prob(segmentation_pred_prob[i], 1, i);
213			else
214	✗✓	12	infer(segmentation_pred_prob[i], 255);
215			}
216			}
217
218	✗✓	172	f(1, segmentation_update_data);
219	✓✓	172	if (current->segmentation_update_data) {
220	✗✓	116	f(1, segmentation_abs_or_delta_update);
221	✓✓	1044	for (i = 0; i < VP9_MAX_SEGMENTS; i++) {
222	✓✓	4640	for (j = 0; j < VP9_SEG_LVL_MAX; j++) {
223	✗✓	3712	fs(1, feature_enabled[i][j], 2, i, j);
224	✓✓	3712	if (current->feature_enabled[i][j] &&
225	✓✓	672	segmentation_feature_bits[j]) {
226	✗✓	660	fs(segmentation_feature_bits[j],
227			feature_value[i][j], 2, i, j);
228	✓✓	660	if (segmentation_feature_signed[j])
229	✗✓	648	fs(1, feature_sign[i][j], 2, i, j);
230			else
231	✗✓	12	infer(feature_sign[i][j], 0);
232			} else {
233	✗✓	3052	infer(feature_value[i][j], 0);
234	✗✓	3052	infer(feature_sign[i][j], 0);
235			}
236			}
237			}
238			}
239			}
240
241		724	return 0;
242			}
243
244		724	static int FUNC(tile_info)(CodedBitstreamContext ctx, RWContext rw,
245			VP9RawFrameHeader *current)
246			{
247		724	CodedBitstreamVP9Context *vp9 = ctx->priv_data;
248			int min_log2_tile_cols, max_log2_tile_cols;
249			int err;
250
251		724	min_log2_tile_cols = 0;
252	✗✓	724	while ((VP9_MAX_TILE_WIDTH_B64 << min_log2_tile_cols) < vp9->sb64_cols)
253			++min_log2_tile_cols;
254		724	max_log2_tile_cols = 0;
255	✓✓	740	while ((vp9->sb64_cols >> (max_log2_tile_cols + 1)) >= VP9_MIN_TILE_WIDTH_B64)
256		16	++max_log2_tile_cols;
257
258	✗✓	724	increment(tile_cols_log2, min_log2_tile_cols, max_log2_tile_cols);
259
260	✗✓	724	increment(tile_rows_log2, 0, 2);
261
262		724	return 0;
263			}
264
265		788	static int FUNC(uncompressed_header)(CodedBitstreamContext ctx, RWContext rw,
266			VP9RawFrameHeader *current)
267			{
268		788	CodedBitstreamVP9Context *vp9 = ctx->priv_data;
269			int err, i;
270
271	✗✓	788	f(2, frame_marker);
272
273	✗✓	788	f(1, profile_low_bit);
274	✗✓	788	f(1, profile_high_bit);
275		788	vp9->profile = (current->profile_high_bit << 1) + current->profile_low_bit;
276	✓✓	788	if (vp9->profile == 3)
277	✗✓	88	fixed(1, reserved_zero, 0);
278
279	✗✓	788	f(1, show_existing_frame);
280	✓✓	788	if (current->show_existing_frame) {
281	✗✓	64	f(3, frame_to_show_map_idx);
282	✗✓	64	infer(header_size_in_bytes, 0);
283	✗✓	64	infer(refresh_frame_flags, 0x00);
284	✗✓	64	infer(loop_filter_level, 0);
285		64	return 0;
286			}
287
288	✗✓	724	f(1, frame_type);
289	✗✓	724	f(1, show_frame);
290	✗✓	724	f(1, error_resilient_mode);
291
292	✓✓	724	if (current->frame_type == VP9_KEY_FRAME) {
293	✗✓	56	CHECK(FUNC(frame_sync_code)(ctx, rw, current));
294	✗✓	56	CHECK(FUNC(color_config)(ctx, rw, current, vp9->profile));
295	✗✓	56	CHECK(FUNC(frame_size)(ctx, rw, current));
296	✗✓	56	CHECK(FUNC(render_size)(ctx, rw, current));
297
298	✗✓	56	infer(refresh_frame_flags, 0xff);
299
300			} else {
301	✓✓	668	if (current->show_frame == 0)
302	✗✓	56	f(1, intra_only);
303			else
304	✗✓	612	infer(intra_only, 0);
305
306	✓✗	668	if (current->error_resilient_mode == 0)
307	✗✓	668	f(2, reset_frame_context);
308			else
309			infer(reset_frame_context, 0);
310
311	✗✓	668	if (current->intra_only == 1) {
312			CHECK(FUNC(frame_sync_code)(ctx, rw, current));
313
314			if (vp9->profile > 0) {
315			CHECK(FUNC(color_config)(ctx, rw, current, vp9->profile));
316			} else {
317			infer(color_space, 1);
318			infer(subsampling_x, 1);
319			infer(subsampling_y, 1);
320			vp9->bit_depth = 8;
321
322			vp9->subsampling_x = current->subsampling_x;
323			vp9->subsampling_y = current->subsampling_y;
324			}
325
326			f(8, refresh_frame_flags);
327
328			CHECK(FUNC(frame_size)(ctx, rw, current));
329			CHECK(FUNC(render_size)(ctx, rw, current));
330			} else {
331	✗✓	668	f(8, refresh_frame_flags);
332
333	✓✓	2672	for (i = 0; i < VP9_REFS_PER_FRAME; i++) {
334	✗✓	2004	fs(3, ref_frame_idx[i], 1, i);
335	✗✓	2004	fs(1, ref_frame_sign_bias[VP9_LAST_FRAME + i],
336			1, VP9_LAST_FRAME + i);
337			}
338
339	✗✓	668	CHECK(FUNC(frame_size_with_refs)(ctx, rw, current));
340	✗✓	668	f(1, allow_high_precision_mv);
341	✗✓	668	CHECK(FUNC(interpolation_filter)(ctx, rw, current));
342			}
343			}
344
345	✓✗	724	if (current->error_resilient_mode == 0) {
346	✗✓	724	f(1, refresh_frame_context);
347	✗✓	724	f(1, frame_parallel_decoding_mode);
348			} else {
349			infer(refresh_frame_context, 0);
350			infer(frame_parallel_decoding_mode, 1);
351			}
352
353	✗✓	724	f(2, frame_context_idx);
354
355	✗✓	724	CHECK(FUNC(loop_filter_params)(ctx, rw, current));
356	✗✓	724	CHECK(FUNC(quantization_params)(ctx, rw, current));
357	✗✓	724	CHECK(FUNC(segmentation_params)(ctx, rw, current));
358	✗✓	724	CHECK(FUNC(tile_info)(ctx, rw, current));
359
360	✗✓	724	f(16, header_size_in_bytes);
361
362	✓✓	6516	for (i = 0; i < VP9_NUM_REF_FRAMES; i++) {
363	✓✓	5792	if (current->refresh_frame_flags & (1 << i)) {
364		1152	vp9->ref[i] = (VP9ReferenceFrameState) {
365		1152	.frame_width = vp9->frame_width,
366		1152	.frame_height = vp9->frame_height,
367		1152	.subsampling_x = vp9->subsampling_x,
368		1152	.subsampling_y = vp9->subsampling_y,
369		1152	.bit_depth = vp9->bit_depth,
370			};
371			}
372			}
373
374		724	av_log(ctx->log_ctx, AV_LOG_DEBUG, "Frame: size %dx%d "
375			"subsample %dx%d bit_depth %d tiles %dx%d.\n",
376			vp9->frame_width, vp9->frame_height,
377		724	vp9->subsampling_x, vp9->subsampling_y,
378		724	vp9->bit_depth, 1 << current->tile_cols_log2,
379		724	1 << current->tile_rows_log2);
380
381		724	return 0;
382			}
383
384		788	static int FUNC(trailing_bits)(CodedBitstreamContext ctx, RWContext rw)
385			{
386			int err;
387	✓✓	2612	while (byte_alignment(rw) != 0)
388	✗✓	1824	fixed(1, zero_bit, 0);
389
390		788	return 0;
391			}
392
393		788	static int FUNC(frame)(CodedBitstreamContext ctx, RWContext rw,
394			VP9RawFrame *current)
395			{
396			int err;
397
398		788	HEADER("Frame");
399
400	✗✓	788	CHECK(FUNC(uncompressed_header)(ctx, rw, &current->header));
401
402	✗✓	788	CHECK(FUNC(trailing_bits)(ctx, rw));
403
404		788	return 0;
405			}
406
407		26	static int FUNC(superframe_index)(CodedBitstreamContext ctx, RWContext rw,
408			VP9RawSuperframeIndex *current)
409			{
410			int err, i;
411
412		26	HEADER("Superframe Index");
413
414		26	f(3, superframe_marker);
415		26	f(2, bytes_per_framesize_minus_1);
416		26	f(3, frames_in_superframe_minus_1);
417
418		80	for (i = 0; i <= current->frames_in_superframe_minus_1; i++) {
419			// Surprise little-endian!
420		54	fle(8 * (current->bytes_per_framesize_minus_1 + 1),
421			frame_sizes[i], 1, i);
422			}
423
424		26	f(3, superframe_marker);
425		26	f(2, bytes_per_framesize_minus_1);
426		26	f(3, frames_in_superframe_minus_1);
427
428		26	return 0;
429			}