FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/cdxl.c	Lines:	158	192	82.3 %
Date:	2021-04-20 15:25:36	Branches:	66	110	60.0 %


/*
 * CDXL video decoder
 * Copyright (c) 2011-2012 Paul B Mahol
 *
 * 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
 */

/**
 * @file
 * Commodore CDXL video decoder
 * @author Paul B Mahol
 */

#define UNCHECKED_BITSTREAM_READER 1

#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "get_bits.h"
#include "internal.h"

#define BIT_PLANAR   0x00
#define CHUNKY       0x20
#define BYTE_PLANAR  0x40
#define BIT_LINE     0x80
#define BYTE_LINE    0xC0

typedef struct CDXLVideoContext {
    AVCodecContext *avctx;
    int            bpp;
    int            type;
    int            format;
    int            padded_bits;
    const uint8_t  *palette;
    int            palette_size;
    const uint8_t  *video;
    int            video_size;
    uint8_t        *new_video;
    int            new_video_size;
} CDXLVideoContext;

static av_cold int cdxl_decode_init(AVCodecContext *avctx)
{
    CDXLVideoContext *c = avctx->priv_data;

    c->new_video_size = 0;
    c->avctx          = avctx;

    return 0;
}

static void import_palette(CDXLVideoContext *c, uint32_t *new_palette)
{
    if (c->type == 1) {
        for (int i = 0; i < c->palette_size / 2; i++) {
            unsigned rgb = AV_RB16(&c->palette[i * 2]);
            unsigned r   = ((rgb >> 8) & 0xF) * 0x11;
            unsigned g   = ((rgb >> 4) & 0xF) * 0x11;
            unsigned b   =  (rgb       & 0xF) * 0x11;
            AV_WN32(&new_palette[i], (0xFFU << 24) | (r << 16) | (g << 8) | b);
        }
    } else {
        for (int i = 0; i < c->palette_size / 3; i++) {
            unsigned rgb = AV_RB24(&c->palette[i * 3]);
            AV_WN32(&new_palette[i], (0xFFU << 24) | rgb);
        }
    }
}

static void bitplanar2chunky(CDXLVideoContext *c, int linesize, uint8_t *out)
{
    GetBitContext gb;
    int x, y, plane;

    if (init_get_bits8(&gb, c->video, c->video_size) < 0)
        return;
    for (plane = 0; plane < c->bpp; plane++) {
        for (y = 0; y < c->avctx->height; y++) {
            for (x = 0; x < c->avctx->width; x++)
                out[linesize * y + x] |= get_bits1(&gb) << plane;
            skip_bits(&gb, c->padded_bits);
        }
    }
}

static void bitline2chunky(CDXLVideoContext *c, int linesize, uint8_t *out)
{
    GetBitContext  gb;
    int x, y, plane;

    if (init_get_bits8(&gb, c->video, c->video_size) < 0)
        return;
    for (y = 0; y < c->avctx->height; y++) {
        for (plane = 0; plane < c->bpp; plane++) {
            for (x = 0; x < c->avctx->width; x++)
                out[linesize * y + x] |= get_bits1(&gb) << plane;
            skip_bits(&gb, c->padded_bits);
        }
    }
}

static void chunky2chunky(CDXLVideoContext *c, int linesize, uint8_t *out)
{
    GetByteContext gb;
    int y;

    bytestream2_init(&gb, c->video, c->video_size);
    for (y = 0; y < c->avctx->height; y++) {
        bytestream2_get_buffer(&gb, out + linesize * y, c->avctx->width * 3);
    }
}

static void import_format(CDXLVideoContext *c, int linesize, uint8_t *out)
{
    memset(out, 0, linesize * c->avctx->height);

    switch (c->format) {
    case BIT_PLANAR:
        bitplanar2chunky(c, linesize, out);
        break;
    case BIT_LINE:
        bitline2chunky(c, linesize, out);
        break;
    case CHUNKY:
        chunky2chunky(c, linesize, out);
        break;
    }
}

static void cdxl_decode_rgb(CDXLVideoContext *c, AVFrame *frame)
{
    uint32_t *new_palette = (uint32_t *)frame->data[1];

    memset(frame->data[1], 0, AVPALETTE_SIZE);
    import_palette(c, new_palette);
    import_format(c, frame->linesize[0], frame->data[0]);
}

static void cdxl_decode_raw(CDXLVideoContext *c, AVFrame *frame)
{
    import_format(c, frame->linesize[0], frame->data[0]);
}

static void cdxl_decode_ham6(CDXLVideoContext *c, AVFrame *frame)
{
    AVCodecContext *avctx = c->avctx;
    uint32_t new_palette[16], r, g, b;
    uint8_t *ptr, *out, index, op;
    int x, y;

    ptr = c->new_video;
    out = frame->data[0];

    import_palette(c, new_palette);
    import_format(c, avctx->width, c->new_video);

    for (y = 0; y < avctx->height; y++) {
        r = new_palette[0] & 0xFF0000;
        g = new_palette[0] & 0xFF00;
        b = new_palette[0] & 0xFF;
        for (x = 0; x < avctx->width; x++) {
            index  = *ptr++;
            op     = index >> 4;
            index &= 15;
            switch (op) {
            case 0:
                r = new_palette[index] & 0xFF0000;
                g = new_palette[index] & 0xFF00;
                b = new_palette[index] & 0xFF;
                break;
            case 1:
                b = index * 0x11;
                break;
            case 2:
                r = index * 0x11 << 16;
                break;
            case 3:
                g = index * 0x11 << 8;
                break;
            }
            AV_WL24(out + x * 3, r | g | b);
        }
        out += frame->linesize[0];
    }
}

static void cdxl_decode_ham8(CDXLVideoContext *c, AVFrame *frame)
{
    AVCodecContext *avctx = c->avctx;
    uint32_t new_palette[64], r, g, b;
    uint8_t *ptr, *out, index, op;
    int x, y;

    ptr = c->new_video;
    out = frame->data[0];

    import_palette(c, new_palette);
    import_format(c, avctx->width, c->new_video);

    for (y = 0; y < avctx->height; y++) {
        r = new_palette[0] & 0xFF0000;
        g = new_palette[0] & 0xFF00;
        b = new_palette[0] & 0xFF;
        for (x = 0; x < avctx->width; x++) {
            index  = *ptr++;
            op     = index >> 6;
            index &= 63;
            switch (op) {
            case 0:
                r = new_palette[index] & 0xFF0000;
                g = new_palette[index] & 0xFF00;
                b = new_palette[index] & 0xFF;
                break;
            case 1:
                b = (index <<  2) | (b & 3);
                break;
            case 2:
                r = (index << 18) | (r & (3 << 16));
                break;
            case 3:
                g = (index << 10) | (g & (3 << 8));
                break;
            }
            AV_WL24(out + x * 3, r | g | b);
        }
        out += frame->linesize[0];
    }
}

static int cdxl_decode_frame(AVCodecContext *avctx, void *data,
                             int *got_frame, AVPacket *pkt)
{
    CDXLVideoContext *c = avctx->priv_data;
    AVFrame * const p = data;
    int ret, w, h, encoding, aligned_width, buf_size = pkt->size;
    const uint8_t *buf = pkt->data;

    if (buf_size < 32)
        return AVERROR_INVALIDDATA;
    c->type         = buf[0];
    encoding        = buf[1] & 7;
    c->format       = buf[1] & 0xE0;
    w               = AV_RB16(&buf[14]);
    h               = AV_RB16(&buf[16]);
    c->bpp          = buf[19];
    c->palette_size = AV_RB16(&buf[20]);
    c->palette      = buf + 32;
    c->video        = c->palette + c->palette_size;
    c->video_size   = buf_size - c->palette_size - 32;

    if (c->type > 1)
        return AVERROR_INVALIDDATA;
    if (c->type == 1 && c->palette_size > 512)
        return AVERROR_INVALIDDATA;
    if (c->type == 0 && c->palette_size > 768)
        return AVERROR_INVALIDDATA;
    if (buf_size < c->palette_size + 32)
        return AVERROR_INVALIDDATA;
    if (c->bpp < 1)
        return AVERROR_INVALIDDATA;
    if (c->format != BIT_PLANAR && c->format != BIT_LINE && c->format != CHUNKY) {
        avpriv_request_sample(avctx, "Pixel format 0x%0x", c->format);
        return AVERROR_PATCHWELCOME;
    }

    if ((ret = ff_set_dimensions(avctx, w, h)) < 0)
        return ret;

    if (c->format == CHUNKY)
        aligned_width = avctx->width;
    else
        aligned_width = FFALIGN(c->avctx->width, 16);
    c->padded_bits  = aligned_width - c->avctx->width;
    if (c->video_size < aligned_width * avctx->height * (int64_t)c->bpp / 8)
        return AVERROR_INVALIDDATA;
    if (!encoding && c->palette_size && c->bpp <= 8 && c->format != CHUNKY) {
        avctx->pix_fmt = AV_PIX_FMT_PAL8;
    } else if (encoding == 1 && (c->bpp == 6 || c->bpp == 8) && c->format != CHUNKY) {
        if (c->palette_size != (1 << (c->bpp - 1)))
            return AVERROR_INVALIDDATA;
        avctx->pix_fmt = AV_PIX_FMT_BGR24;
    } else if (!encoding && c->bpp == 24 && c->format == CHUNKY &&
               !c->palette_size) {
        avctx->pix_fmt = AV_PIX_FMT_RGB24;
    } else {
        avpriv_request_sample(avctx, "Encoding %d, bpp %d and format 0x%x",
                              encoding, c->bpp, c->format);
        return AVERROR_PATCHWELCOME;
    }

    if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
        return ret;
    p->pict_type = AV_PICTURE_TYPE_I;
    p->key_frame = 1;

    if (encoding) {
        av_fast_padded_malloc(&c->new_video, &c->new_video_size,
                              h * w + AV_INPUT_BUFFER_PADDING_SIZE);
        if (!c->new_video)
            return AVERROR(ENOMEM);
        if (c->bpp == 8)
            cdxl_decode_ham8(c, p);
        else
            cdxl_decode_ham6(c, p);
    } else if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
        cdxl_decode_rgb(c, p);
    } else {
        cdxl_decode_raw(c, p);
    }
    *got_frame = 1;

    return buf_size;
}

static av_cold int cdxl_decode_end(AVCodecContext *avctx)
{
    CDXLVideoContext *c = avctx->priv_data;

    av_freep(&c->new_video);

    return 0;
}

AVCodec ff_cdxl_decoder = {
    .name           = "cdxl",
    .long_name      = NULL_IF_CONFIG_SMALL("Commodore CDXL video"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_CDXL,
    .priv_data_size = sizeof(CDXLVideoContext),
    .init           = cdxl_decode_init,
    .close          = cdxl_decode_end,
    .decode         = cdxl_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
};


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* CDXL video decoder
3			* Copyright (c) 2011-2012 Paul B Mahol
4			*
5			* This file is part of FFmpeg.
6			*
7			* FFmpeg is free software; you can redistribute it and/or
8			* modify it under the terms of the GNU Lesser General Public
9			* License as published by the Free Software Foundation; either
10			* version 2.1 of the License, or (at your option) any later version.
11			*
12			* FFmpeg is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15			* Lesser General Public License for more details.
16			*
17			* You should have received a copy of the GNU Lesser General Public
18			* License along with FFmpeg; if not, write to the Free Software
19			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20			*/
21
22			/**
23			* @file
24			* Commodore CDXL video decoder
25			* @author Paul B Mahol
26			*/
27
28			#define UNCHECKED_BITSTREAM_READER 1
29
30			#include "libavutil/intreadwrite.h"
31			#include "libavutil/imgutils.h"
32			#include "avcodec.h"
33			#include "bytestream.h"
34			#include "get_bits.h"
35			#include "internal.h"
36
37			#define BIT_PLANAR 0x00
38			#define CHUNKY 0x20
39			#define BYTE_PLANAR 0x40
40			#define BIT_LINE 0x80
41			#define BYTE_LINE 0xC0
42
43			typedef struct CDXLVideoContext {
44			AVCodecContext *avctx;
45			int bpp;
46			int type;
47			int format;
48			int padded_bits;
49			const uint8_t *palette;
50			int palette_size;
51			const uint8_t *video;
52			int video_size;
53			uint8_t *new_video;
54			int new_video_size;
55			} CDXLVideoContext;
56
57		11	static av_cold int cdxl_decode_init(AVCodecContext *avctx)
58			{
59		11	CDXLVideoContext *c = avctx->priv_data;
60
61		11	c->new_video_size = 0;
62		11	c->avctx = avctx;
63
64		11	return 0;
65			}
66
67		90	static void import_palette(CDXLVideoContext c, uint32_t new_palette)
68			{
69	✓✗	90	if (c->type == 1) {
70	✓✓	4554	for (int i = 0; i < c->palette_size / 2; i++) {
71		4464	unsigned rgb = AV_RB16(&c->palette[i * 2]);
72		4464	unsigned r = ((rgb >> 8) & 0xF) * 0x11;
73		4464	unsigned g = ((rgb >> 4) & 0xF) * 0x11;
74		4464	unsigned b = (rgb & 0xF) * 0x11;
75		4464	AV_WN32(&new_palette[i], (0xFFU << 24) \| (r << 16) \| (g << 8) \| b);
76			}
77			} else {
78			for (int i = 0; i < c->palette_size / 3; i++) {
79			unsigned rgb = AV_RB24(&c->palette[i * 3]);
80			AV_WN32(&new_palette[i], (0xFFU << 24) \| rgb);
81			}
82			}
83		90	}
84
85		79	static void bitplanar2chunky(CDXLVideoContext c, int linesize, uint8_t out)
86			{
87			GetBitContext gb;
88			int x, y, plane;
89
90	✗✓	79	if (init_get_bits8(&gb, c->video, c->video_size) < 0)
91			return;
92	✓✓	489	for (plane = 0; plane < c->bpp; plane++) {
93	✓✓	43050	for (y = 0; y < c->avctx->height; y++) {
94	✓✓	6629520	for (x = 0; x < c->avctx->width; x++)
95		6586880	out[linesize * y + x] \|= get_bits1(&gb) << plane;
96		42640	skip_bits(&gb, c->padded_bits);
97			}
98			}
99			}
100
101		11	static void bitline2chunky(CDXLVideoContext c, int linesize, uint8_t out)
102			{
103			GetBitContext gb;
104			int x, y, plane;
105
106	✗✓	11	if (init_get_bits8(&gb, c->video, c->video_size) < 0)
107			return;
108	✓✓	1441	for (y = 0; y < c->avctx->height; y++) {
109	✓✓	10010	for (plane = 0; plane < c->bpp; plane++) {
110	✓✓	1398540	for (x = 0; x < c->avctx->width; x++)
111		1389960	out[linesize * y + x] \|= get_bits1(&gb) << plane;
112		8580	skip_bits(&gb, c->padded_bits);
113			}
114			}
115			}
116
117			static void chunky2chunky(CDXLVideoContext c, int linesize, uint8_t out)
118			{
119			GetByteContext gb;
120			int y;
121
122			bytestream2_init(&gb, c->video, c->video_size);
123			for (y = 0; y < c->avctx->height; y++) {
124			bytestream2_get_buffer(&gb, out + linesize * y, c->avctx->width * 3);
125			}
126			}
127
128		90	static void import_format(CDXLVideoContext c, int linesize, uint8_t out)
129			{
130		90	memset(out, 0, linesize * c->avctx->height);
131
132	✓✓✗✗	90	switch (c->format) {
133		79	case BIT_PLANAR:
134		79	bitplanar2chunky(c, linesize, out);
135		79	break;
136		11	case BIT_LINE:
137		11	bitline2chunky(c, linesize, out);
138		11	break;
139			case CHUNKY:
140			chunky2chunky(c, linesize, out);
141			break;
142			}
143		90	}
144
145		59	static void cdxl_decode_rgb(CDXLVideoContext c, AVFrame frame)
146			{
147		59	uint32_t new_palette = (uint32_t )frame->data[1];
148
149		59	memset(frame->data[1], 0, AVPALETTE_SIZE);
150		59	import_palette(c, new_palette);
151		59	import_format(c, frame->linesize[0], frame->data[0]);
152		59	}
153
154			static void cdxl_decode_raw(CDXLVideoContext c, AVFrame frame)
155			{
156			import_format(c, frame->linesize[0], frame->data[0]);
157			}
158
159		28	static void cdxl_decode_ham6(CDXLVideoContext c, AVFrame frame)
160			{
161		28	AVCodecContext *avctx = c->avctx;
162			uint32_t new_palette[16], r, g, b;
163			uint8_t ptr, out, index, op;
164			int x, y;
165
166		28	ptr = c->new_video;
167		28	out = frame->data[0];
168
169		28	import_palette(c, new_palette);
170		28	import_format(c, avctx->width, c->new_video);
171
172	✓✓	3498	for (y = 0; y < avctx->height; y++) {
173		3470	r = new_palette[0] & 0xFF0000;
174		3470	g = new_palette[0] & 0xFF00;
175		3470	b = new_palette[0] & 0xFF;
176	✓✓	561530	for (x = 0; x < avctx->width; x++) {
177		558060	index = *ptr++;
178		558060	op = index >> 4;
179		558060	index &= 15;
180	✓✓✓✓ ✗	558060	switch (op) {
181		131279	case 0:
182		131279	r = new_palette[index] & 0xFF0000;
183		131279	g = new_palette[index] & 0xFF00;
184		131279	b = new_palette[index] & 0xFF;
185		131279	break;
186		108493	case 1:
187		108493	b = index * 0x11;
188		108493	break;
189		212370	case 2:
190		212370	r = index * 0x11 << 16;
191		212370	break;
192		105918	case 3:
193		105918	g = index * 0x11 << 8;
194		105918	break;
195			}
196		558060	AV_WL24(out + x * 3, r \| g \| b);
197			}
198		3470	out += frame->linesize[0];
199			}
200		28	}
201
202		3	static void cdxl_decode_ham8(CDXLVideoContext c, AVFrame frame)
203			{
204		3	AVCodecContext *avctx = c->avctx;
205			uint32_t new_palette[64], r, g, b;
206			uint8_t ptr, out, index, op;
207			int x, y;
208
209		3	ptr = c->new_video;
210		3	out = frame->data[0];
211
212		3	import_palette(c, new_palette);
213		3	import_format(c, avctx->width, c->new_video);
214
215	✓✓	387	for (y = 0; y < avctx->height; y++) {
216		384	r = new_palette[0] & 0xFF0000;
217		384	g = new_palette[0] & 0xFF00;
218		384	b = new_palette[0] & 0xFF;
219	✓✓	67968	for (x = 0; x < avctx->width; x++) {
220		67584	index = *ptr++;
221		67584	op = index >> 6;
222		67584	index &= 63;
223	✓✓✓✓ ✗	67584	switch (op) {
224		3417	case 0:
225		3417	r = new_palette[index] & 0xFF0000;
226		3417	g = new_palette[index] & 0xFF00;
227		3417	b = new_palette[index] & 0xFF;
228		3417	break;
229		627	case 1:
230		627	b = (index << 2) \| (b & 3);
231		627	break;
232		1122	case 2:
233		1122	r = (index << 18) \| (r & (3 << 16));
234		1122	break;
235		62418	case 3:
236		62418	g = (index << 10) \| (g & (3 << 8));
237		62418	break;
238			}
239		67584	AV_WL24(out + x * 3, r \| g \| b);
240			}
241		384	out += frame->linesize[0];
242			}
243		3	}
244
245		90	static int cdxl_decode_frame(AVCodecContext avctx, void data,
246			int got_frame, AVPacket pkt)
247			{
248		90	CDXLVideoContext *c = avctx->priv_data;
249		90	AVFrame * const p = data;
250		90	int ret, w, h, encoding, aligned_width, buf_size = pkt->size;
251		90	const uint8_t *buf = pkt->data;
252
253	✗✓	90	if (buf_size < 32)
254			return AVERROR_INVALIDDATA;
255		90	c->type = buf[0];
256		90	encoding = buf[1] & 7;
257		90	c->format = buf[1] & 0xE0;
258		90	w = AV_RB16(&buf[14]);
259		90	h = AV_RB16(&buf[16]);
260		90	c->bpp = buf[19];
261		90	c->palette_size = AV_RB16(&buf[20]);
262		90	c->palette = buf + 32;
263		90	c->video = c->palette + c->palette_size;
264		90	c->video_size = buf_size - c->palette_size - 32;
265
266	✗✓	90	if (c->type > 1)
267			return AVERROR_INVALIDDATA;
268	✓✗✗✓	90	if (c->type == 1 && c->palette_size > 512)
269			return AVERROR_INVALIDDATA;
270	✗✓✗✗	90	if (c->type == 0 && c->palette_size > 768)
271			return AVERROR_INVALIDDATA;
272	✗✓	90	if (buf_size < c->palette_size + 32)
273			return AVERROR_INVALIDDATA;
274	✗✓	90	if (c->bpp < 1)
275			return AVERROR_INVALIDDATA;
276	✓✓✗✓ ✗✗	90	if (c->format != BIT_PLANAR && c->format != BIT_LINE && c->format != CHUNKY) {
277			avpriv_request_sample(avctx, "Pixel format 0x%0x", c->format);
278			return AVERROR_PATCHWELCOME;
279			}
280
281	✗✓	90	if ((ret = ff_set_dimensions(avctx, w, h)) < 0)
282			return ret;
283
284	✗✓	90	if (c->format == CHUNKY)
285			aligned_width = avctx->width;
286			else
287		90	aligned_width = FFALIGN(c->avctx->width, 16);
288		90	c->padded_bits = aligned_width - c->avctx->width;
289	✗✓	90	if (c->video_size < aligned_width * avctx->height * (int64_t)c->bpp / 8)
290			return AVERROR_INVALIDDATA;
291	✓✓✓✗ ✓✗✓✗	90	if (!encoding && c->palette_size && c->bpp <= 8 && c->format != CHUNKY) {
292		59	avctx->pix_fmt = AV_PIX_FMT_PAL8;
293	✓✗✓✓ ✓✗✓✗	31	} else if (encoding == 1 && (c->bpp == 6 \|\| c->bpp == 8) && c->format != CHUNKY) {
294	✗✓	31	if (c->palette_size != (1 << (c->bpp - 1)))
295			return AVERROR_INVALIDDATA;
296		31	avctx->pix_fmt = AV_PIX_FMT_BGR24;
297			} else if (!encoding && c->bpp == 24 && c->format == CHUNKY &&
298			!c->palette_size) {
299			avctx->pix_fmt = AV_PIX_FMT_RGB24;
300			} else {
301			avpriv_request_sample(avctx, "Encoding %d, bpp %d and format 0x%x",
302			encoding, c->bpp, c->format);
303			return AVERROR_PATCHWELCOME;
304			}
305
306	✗✓	90	if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
307			return ret;
308		90	p->pict_type = AV_PICTURE_TYPE_I;
309		90	p->key_frame = 1;
310
311	✓✓	90	if (encoding) {
312		31	av_fast_padded_malloc(&c->new_video, &c->new_video_size,
313		31	h * w + AV_INPUT_BUFFER_PADDING_SIZE);
314	✗✓	31	if (!c->new_video)
315			return AVERROR(ENOMEM);
316	✓✓	31	if (c->bpp == 8)
317		3	cdxl_decode_ham8(c, p);
318			else
319		28	cdxl_decode_ham6(c, p);
320	✓✗	59	} else if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
321		59	cdxl_decode_rgb(c, p);
322			} else {
323			cdxl_decode_raw(c, p);
324			}
325		90	*got_frame = 1;
326
327		90	return buf_size;
328			}
329
330		11	static av_cold int cdxl_decode_end(AVCodecContext *avctx)
331			{
332		11	CDXLVideoContext *c = avctx->priv_data;
333
334		11	av_freep(&c->new_video);
335
336		11	return 0;
337			}
338
339			AVCodec ff_cdxl_decoder = {
340			.name = "cdxl",
341			.long_name = NULL_IF_CONFIG_SMALL("Commodore CDXL video"),
342			.type = AVMEDIA_TYPE_VIDEO,
343			.id = AV_CODEC_ID_CDXL,
344			.priv_data_size = sizeof(CDXLVideoContext),
345			.init = cdxl_decode_init,
346			.close = cdxl_decode_end,
347			.decode = cdxl_decode_frame,
348			.capabilities = AV_CODEC_CAP_DR1,
349			.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
350			};