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Tue, 31 May 2022 04:29:39 -0700 (PDT) Received: from localhost.localdomain ([95.168.120.18]) by smtp.gmail.com with ESMTPSA id v5-20020a17090690c500b00703024202a0sm361161ejw.166.2022.05.31.04.29.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 May 2022 04:29:39 -0700 (PDT) From: Paul B Mahol To: ffmpeg-devel@ffmpeg.org Date: Tue, 31 May 2022 13:32:36 +0200 Message-Id: <20220531113236.58153-1-onemda@gmail.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec: add QOI decoder and demuxer and parser X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: 0UQovyN4283V Signed-off-by: Paul B Mahol --- libavcodec/Makefile | 2 + libavcodec/allcodecs.c | 1 + libavcodec/codec_desc.c | 7 ++ libavcodec/codec_id.h | 1 + libavcodec/parsers.c | 1 + libavcodec/qoi_parser.c | 77 ++++++++++++++++++++++ libavcodec/qoidec.c | 139 +++++++++++++++++++++++++++++++++++++++ libavformat/Makefile | 1 + libavformat/allformats.c | 1 + libavformat/img2.c | 1 + libavformat/img2dec.c | 12 ++++ 11 files changed, 243 insertions(+) create mode 100644 libavcodec/qoi_parser.c create mode 100644 libavcodec/qoidec.c diff --git a/libavcodec/Makefile b/libavcodec/Makefile index e6eb8c0854..f74a7abedc 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -594,6 +594,7 @@ OBJS-$(CONFIG_QCELP_DECODER) += qcelpdec.o \ OBJS-$(CONFIG_QDM2_DECODER) += qdm2.o OBJS-$(CONFIG_QDMC_DECODER) += qdmc.o OBJS-$(CONFIG_QDRAW_DECODER) += qdrw.o +OBJS-$(CONFIG_QOI_DECODER) += qoidec.o OBJS-$(CONFIG_QPEG_DECODER) += qpeg.o OBJS-$(CONFIG_QTRLE_DECODER) += qtrle.o OBJS-$(CONFIG_QTRLE_ENCODER) += qtrleenc.o @@ -1152,6 +1153,7 @@ OBJS-$(CONFIG_OPUS_PARSER) += opus_parser.o opus.o opustab.o \ opus_rc.o vorbis_data.o OBJS-$(CONFIG_PNG_PARSER) += png_parser.o OBJS-$(CONFIG_PNM_PARSER) += pnm_parser.o pnm.o +OBJS-$(CONFIG_QOI_PARSER) += qoi_parser.o OBJS-$(CONFIG_RV30_PARSER) += rv34_parser.o OBJS-$(CONFIG_RV40_PARSER) += rv34_parser.o OBJS-$(CONFIG_SBC_PARSER) += sbc_parser.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index 3ae41827a2..4c0a85184c 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -270,6 +270,7 @@ extern const FFCodec ff_prosumer_decoder; extern const FFCodec ff_psd_decoder; extern const FFCodec ff_ptx_decoder; extern const FFCodec ff_qdraw_decoder; +extern const FFCodec ff_qoi_decoder; extern const FFCodec ff_qpeg_decoder; extern const FFCodec ff_qtrle_encoder; extern const FFCodec ff_qtrle_decoder; diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c index 3bcf22e6e7..dd877ca0bd 100644 --- a/libavcodec/codec_desc.c +++ b/libavcodec/codec_desc.c @@ -1886,6 +1886,13 @@ static const AVCodecDescriptor codec_descriptors[] = { .long_name = NULL_IF_CONFIG_SMALL("Bink video 2"), .props = AV_CODEC_PROP_LOSSY, }, + { + .id = AV_CODEC_ID_QOI, + .type = AVMEDIA_TYPE_VIDEO, + .name = "qoi", + .long_name = NULL_IF_CONFIG_SMALL("QOI (Quite OK Image)"), + .props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS, + }, /* various PCM "codecs" */ { diff --git a/libavcodec/codec_id.h b/libavcodec/codec_id.h index 03234b7543..a716dc87c3 100644 --- a/libavcodec/codec_id.h +++ b/libavcodec/codec_id.h @@ -311,6 +311,7 @@ enum AVCodecID { AV_CODEC_ID_VBN, AV_CODEC_ID_JPEGXL, AV_CODEC_ID_BINKVIDEO2, + AV_CODEC_ID_QOI, /* various PCM "codecs" */ AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs diff --git a/libavcodec/parsers.c b/libavcodec/parsers.c index 6b40c18d80..b59388835d 100644 --- a/libavcodec/parsers.c +++ b/libavcodec/parsers.c @@ -60,6 +60,7 @@ extern const AVCodecParser ff_mpegvideo_parser; extern const AVCodecParser ff_opus_parser; extern const AVCodecParser ff_png_parser; extern const AVCodecParser ff_pnm_parser; +extern const AVCodecParser ff_qoi_parser; extern const AVCodecParser ff_rv30_parser; extern const AVCodecParser ff_rv40_parser; extern const AVCodecParser ff_sbc_parser; diff --git a/libavcodec/qoi_parser.c b/libavcodec/qoi_parser.c new file mode 100644 index 0000000000..c2badde56a --- /dev/null +++ b/libavcodec/qoi_parser.c @@ -0,0 +1,77 @@ +/* + * QOI parser + * Copyright (c) 2022 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 + * QOI parser + */ + +#include "parser.h" + +typedef struct QOIParseContext { + ParseContext pc; +} QOIParseContext; + +static int qoi_parse(AVCodecParserContext *s, AVCodecContext *avctx, + const uint8_t **poutbuf, int *poutbuf_size, + const uint8_t *buf, int buf_size) +{ + QOIParseContext *ipc = s->priv_data; + uint64_t state = ipc->pc.state; + int next = END_NOT_FOUND, i = 0; + + s->pict_type = AV_PICTURE_TYPE_NONE; + s->duration = 1; + + *poutbuf_size = 0; + *poutbuf = NULL; + + if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) { + next = buf_size; + } else { + for (; i < buf_size; i++) { + state = (state << 8) | buf[i]; + if (state == 0x01LL) { + next = i + 1; + break; + } + } + + ipc->pc.state = state; + if (ff_combine_frame(&ipc->pc, next, &buf, &buf_size) < 0) { + *poutbuf = NULL; + *poutbuf_size = 0; + return buf_size; + } + } + + *poutbuf = buf; + *poutbuf_size = buf_size; + + return next; +} + +const AVCodecParser ff_qoi_parser = { + .codec_ids = { AV_CODEC_ID_QOI }, + .priv_data_size = sizeof(QOIParseContext), + .parser_parse = qoi_parse, + .parser_close = ff_parse_close, +}; diff --git a/libavcodec/qoidec.c b/libavcodec/qoidec.c new file mode 100644 index 0000000000..fb245a35ce --- /dev/null +++ b/libavcodec/qoidec.c @@ -0,0 +1,139 @@ +/* + * QOI image format + * + * 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 + */ + +#include +#include + +#include "libavutil/avassert.h" +#include "libavutil/imgutils.h" +#include "libavutil/avstring.h" +#include "avcodec.h" +#include "internal.h" +#include "bytestream.h" +#include "codec_internal.h" + +#define QOI_OP_INDEX 0x00 /* 00xxxxxx */ +#define QOI_OP_DIFF 0x40 /* 01xxxxxx */ +#define QOI_OP_LUMA 0x80 /* 10xxxxxx */ +#define QOI_OP_RUN 0xc0 /* 11xxxxxx */ +#define QOI_OP_RGB 0xfe /* 11111110 */ +#define QOI_OP_RGBA 0xff /* 11111111 */ + +#define QOI_MASK_2 0xc0 /* 11000000 */ + +#define QOI_COLOR_HASH(px) (px[0]*3 + px[1]*5 + px[2]*7 + px[3]*11) + +static int qoi_decode_frame(AVCodecContext *avctx, AVFrame *p, + int *got_frame, AVPacket *avpkt) +{ + const uint8_t *buf = avpkt->data; + int ret, buf_size = avpkt->size; + int width, height, run = 0; + uint8_t index[64][4] = { 0 }; + uint8_t px[4] = { 0, 0, 0, 255 }; + GetByteContext gb; + uint8_t *dst; + uint64_t len; + + if (buf_size < 20) + return AVERROR_INVALIDDATA; + + bytestream2_init(&gb, buf, buf_size); + bytestream2_skip(&gb, 4); + width = bytestream2_get_be32(&gb); + height = bytestream2_get_be32(&gb); + bytestream2_skip(&gb, 2); + + if ((ret = ff_set_dimensions(avctx, width, height)) < 0) + return ret; + + if ((ret = av_image_check_size(avctx->width, avctx->height, 0, NULL)) < 0) + return ret; + + avctx->pix_fmt = AV_PIX_FMT_RGBA; + + if ((ret = ff_get_buffer(avctx, p, 0)) < 0) + return ret; + + dst = p->data[0]; + len = width * height * 4LL; + for (int n = 0, off_x = 0, off_y = 0; n < len; n += 4, off_x++) { + if (off_x >= width) { + off_x = 0; + off_y++; + dst += p->linesize[0]; + } + if (run > 0) { + run--; + } else if (bytestream2_get_bytes_left(&gb) > 0) { + int chunk = bytestream2_get_byteu(&gb); + + if (chunk == QOI_OP_RGB) { + px[0] = bytestream2_get_byte(&gb); + px[1] = bytestream2_get_byte(&gb); + px[2] = bytestream2_get_byte(&gb); + } else if (chunk == QOI_OP_RGBA) { + px[0] = bytestream2_get_byte(&gb); + px[1] = bytestream2_get_byte(&gb); + px[2] = bytestream2_get_byte(&gb); + px[3] = bytestream2_get_byte(&gb); + } else if ((chunk & QOI_MASK_2) == QOI_OP_INDEX) { + px[0] = index[chunk][0]; + px[1] = index[chunk][1]; + px[2] = index[chunk][2]; + px[3] = index[chunk][3]; + } else if ((chunk & QOI_MASK_2) == QOI_OP_DIFF) { + px[0] += ((chunk >> 4) & 0x03) - 2; + px[1] += ((chunk >> 2) & 0x03) - 2; + px[2] += ( chunk & 0x03) - 2; + } else if ((chunk & QOI_MASK_2) == QOI_OP_LUMA) { + int b2 = bytestream2_get_byte(&gb); + int vg = (chunk & 0x3f) - 32; + px[0] += vg - 8 + ((b2 >> 4) & 0x0f); + px[1] += vg; + px[2] += vg - 8 + (b2 & 0x0f); + } else if ((chunk & QOI_MASK_2) == QOI_OP_RUN) { + run = chunk & 0x3f; + } + + memcpy(index[QOI_COLOR_HASH(px) % 64], px, 4); + } else { + break; + } + + memcpy(&dst[off_x * 4], px, 4); + } + + p->key_frame = 1; + p->pict_type = AV_PICTURE_TYPE_I; + + *got_frame = 1; + + return buf_size; +} + +const FFCodec ff_qoi_decoder = { + .p.name = "qoi", + .p.long_name = NULL_IF_CONFIG_SMALL("QOI (Quite OK Image format) image"), + .p.type = AVMEDIA_TYPE_VIDEO, + .p.id = AV_CODEC_ID_QOI, + .p.capabilities = AV_CODEC_CAP_DR1, + FF_CODEC_DECODE_CB(qoi_decode_frame), +}; diff --git a/libavformat/Makefile b/libavformat/Makefile index 8e612b6cc7..1416bf31bd 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -289,6 +289,7 @@ OBJS-$(CONFIG_IMAGE_PNG_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_PPM_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_PSD_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_QDRAW_PIPE_DEMUXER) += img2dec.o img2.o +OBJS-$(CONFIG_IMAGE_QOI_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_SGI_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_SVG_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_SUNRAST_PIPE_DEMUXER) += img2dec.o img2.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index 1802536633..8b84b52c64 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -524,6 +524,7 @@ extern const AVInputFormat ff_image_png_pipe_demuxer; extern const AVInputFormat ff_image_ppm_pipe_demuxer; extern const AVInputFormat ff_image_psd_pipe_demuxer; extern const AVInputFormat ff_image_qdraw_pipe_demuxer; +extern const AVInputFormat ff_image_qoi_pipe_demuxer; extern const AVInputFormat ff_image_sgi_pipe_demuxer; extern const AVInputFormat ff_image_svg_pipe_demuxer; extern const AVInputFormat ff_image_sunrast_pipe_demuxer; diff --git a/libavformat/img2.c b/libavformat/img2.c index 566ef873ca..68cb7de2c1 100644 --- a/libavformat/img2.c +++ b/libavformat/img2.c @@ -89,6 +89,7 @@ const IdStrMap ff_img_tags[] = { { AV_CODEC_ID_GEM, "timg" }, { AV_CODEC_ID_VBN, "vbn" }, { AV_CODEC_ID_JPEGXL, "jxl" }, + { AV_CODEC_ID_QOI, "qoi" }, { AV_CODEC_ID_NONE, NULL } }; diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c index 5f9d1f094f..2ffbef6a44 100644 --- a/libavformat/img2dec.c +++ b/libavformat/img2dec.c @@ -1131,6 +1131,17 @@ static int photocd_probe(const AVProbeData *p) return AVPROBE_SCORE_MAX - 1; } +static int qoi_probe(const AVProbeData *p) +{ + if (memcmp(p->buf, "qoif", 4)) + return 0; + + if (AV_RB32(p->buf + 4) == 0 || AV_RB32(p->buf + 8) == 0) + return 0; + + return AVPROBE_SCORE_MAX - 1; +} + static int gem_probe(const AVProbeData *p) { const uint8_t *b = p->buf; @@ -1208,6 +1219,7 @@ IMAGEAUTO_DEMUXER(png, PNG) IMAGEAUTO_DEMUXER(ppm, PPM) IMAGEAUTO_DEMUXER(psd, PSD) IMAGEAUTO_DEMUXER(qdraw, QDRAW) +IMAGEAUTO_DEMUXER(qoi, QOI) IMAGEAUTO_DEMUXER(sgi, SGI) IMAGEAUTO_DEMUXER(sunrast, SUNRAST) IMAGEAUTO_DEMUXER(svg, SVG)