On 03/06/2024 05:33, Marcus B Spencer wrote: > farbfeld is an uncompressed image format that is a part of suckless > tools (https://tools.suckless.org). > > Its documentation is available at https://tools.suckless.org/farbfeld. > > Add support for this image format in avcodec and update the image2 > format accordingly. > > Signed-off-by: Marcus B Spencer > --- > Changelog | 1 + > doc/general_contents.texi | 2 + > libavcodec/Makefile | 1 + > libavcodec/allcodecs.c | 1 + > libavcodec/codec_desc.c | 7 ++++ > libavcodec/codec_id.h | 1 + > libavcodec/farbfeldenc.c | 83 +++++++++++++++++++++++++++++++++++++++ > libavcodec/version.h | 2 +- > libavformat/img2.c | 1 + > libavformat/img2enc.c | 2 +- > 10 files changed, 99 insertions(+), 2 deletions(-) > create mode 100644 libavcodec/farbfeldenc.c > > diff --git a/Changelog b/Changelog > index 03d6b29ad8..d2b831c623 100644 > --- a/Changelog > +++ b/Changelog > @@ -12,6 +12,7 @@ version : > - qsv_params option added for QSV encoders > - VVC decoder compatible with DVB test content > - xHE-AAC decoder > +- farbfeld encoder > > > version 7.0: > diff --git a/doc/general_contents.texi b/doc/general_contents.texi > index e7cf4f8239..129a325ecf 100644 > --- a/doc/general_contents.texi > +++ b/doc/general_contents.texi > @@ -853,6 +853,8 @@ following image formats are supported: > @tab X PixMap image format > @item XWD @tab X @tab X > @tab X Window Dump image format > +@item FF @tab X @tab > + @tab farbfeld uncompressed image format > @end multitable > > @code{X} means that the feature in that column (encoding / decoding) is supported. > diff --git a/libavcodec/Makefile b/libavcodec/Makefile > index 2443d2c6fd..808f2a5d54 100644 > --- a/libavcodec/Makefile > +++ b/libavcodec/Makefile > @@ -359,6 +359,7 @@ OBJS-$(CONFIG_ESCAPE130_DECODER) += escape130.o > OBJS-$(CONFIG_EVRC_DECODER) += evrcdec.o acelp_vectors.o lsp.o > OBJS-$(CONFIG_EXR_DECODER) += exr.o exrdsp.o half2float.o > OBJS-$(CONFIG_EXR_ENCODER) += exrenc.o float2half.o > +OBJS-$(CONFIG_FARBFELD_ENCODER) += farbfeldenc.o > OBJS-$(CONFIG_FASTAUDIO_DECODER) += fastaudio.o > OBJS-$(CONFIG_FFV1_DECODER) += ffv1dec.o ffv1.o > OBJS-$(CONFIG_FFV1_ENCODER) += ffv1enc.o ffv1.o > diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c > index b102a8069e..b0ebb72396 100644 > --- a/libavcodec/allcodecs.c > +++ b/libavcodec/allcodecs.c > @@ -115,6 +115,7 @@ extern const FFCodec ff_escape124_decoder; > extern const FFCodec ff_escape130_decoder; > extern const FFCodec ff_exr_encoder; > extern const FFCodec ff_exr_decoder; > +extern const FFCodec ff_farbfeld_encoder; > extern const FFCodec ff_ffv1_encoder; > extern const FFCodec ff_ffv1_decoder; > extern const FFCodec ff_ffvhuff_encoder; > diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c > index a28ef68061..33dbd2ce94 100644 > --- a/libavcodec/codec_desc.c > +++ b/libavcodec/codec_desc.c > @@ -1959,6 +1959,13 @@ static const AVCodecDescriptor codec_descriptors[] = { > .long_name = NULL_IF_CONFIG_SMALL("LEAD MCMP"), > .props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY, > }, > + { > + .id = AV_CODEC_ID_FARBFELD, > + .type = AVMEDIA_TYPE_VIDEO, > + .name = "farbfeld", > + .long_name = NULL_IF_CONFIG_SMALL("farbfeld uncompressed 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 0ab1e34a61..d4b0d23f7e 100644 > --- a/libavcodec/codec_id.h > +++ b/libavcodec/codec_id.h > @@ -322,6 +322,7 @@ enum AVCodecID { > AV_CODEC_ID_RTV1, > AV_CODEC_ID_VMIX, > AV_CODEC_ID_LEAD, > + AV_CODEC_ID_FARBFELD, > > /* various PCM "codecs" */ > AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs > diff --git a/libavcodec/farbfeldenc.c b/libavcodec/farbfeldenc.c > new file mode 100644 > index 0000000000..6ef9763dab > --- /dev/null > +++ b/libavcodec/farbfeldenc.c > @@ -0,0 +1,83 @@ > +/* > + * Copyright (c) 2024 Marcus B Spencer > + * > + * Permission is hereby granted, free of charge, to any person obtaining a copy > + * of this software and associated documentation files (the “Software”), to > + * deal in the Software without restriction, including without limitation the > + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or > + * sell copies of the Software, and to permit persons to whom the Software is > + * furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE > + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS > + * IN THE SOFTWARE. > + */ > + > +#include "libavutil/imgutils.h" > +#include "codec_internal.h" > +#include "bytestream.h" > +#include "avcodec.h" > +#include "encode.h" > + > +#define HEADER_SIZE 16 > + > +static int farbfeld_encode_frame(AVCodecContext *ctx, AVPacket *pkt, > + const AVFrame *p, int *got_packet) > +{ > + int pkt_size = HEADER_SIZE + av_image_get_buffer_size( > + p->format, > + p->width, > + p->height, > + 1 > + ); > + uint8_t *buf; > + int ret; > + > + if (pkt_size < 0) > + return pkt_size; > + > + if ((ret = ff_get_encode_buffer(ctx, pkt, pkt_size, 0)) < 0) > + return ret; > + > + buf = pkt->data; > + > + bytestream_put_buffer(&buf, "farbfeld", 8); > + > + bytestream_put_be32(&buf, ctx->width); > + bytestream_put_be32(&buf, ctx->height); > + > + av_image_copy_to_buffer( > + buf, > + pkt_size - HEADER_SIZE, > + (const uint8_t **)p->data, > + p->linesize, > + p->format, > + p->width, > + p->height, > + 1 > + ); > + > + *got_packet = 1; > + > + return 0; > +} > + > +const FFCodec ff_farbfeld_encoder = { > + .p.name = "farbfeld", > + CODEC_LONG_NAME("farbfeld uncompressed image"), > + .p.type = AVMEDIA_TYPE_VIDEO, > + .p.id = AV_CODEC_ID_FARBFELD, > + .p.capabilities = AV_CODEC_CAP_DR1, > + FF_CODEC_ENCODE_CB(farbfeld_encode_frame), > + .p.pix_fmts = (const enum AVPixelFormat[]){ > + AV_PIX_FMT_RGBA64BE, > + AV_PIX_FMT_NONE > + }, > +}; > diff --git a/libavcodec/version.h b/libavcodec/version.h > index da54f87887..7acb261bb3 100644 > --- a/libavcodec/version.h > +++ b/libavcodec/version.h > @@ -29,7 +29,7 @@ > > #include "version_major.h" > > -#define LIBAVCODEC_VERSION_MINOR 6 > +#define LIBAVCODEC_VERSION_MINOR 7 > #define LIBAVCODEC_VERSION_MICRO 100 > > #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ > diff --git a/libavformat/img2.c b/libavformat/img2.c > index 9981867f82..77edc7ff9b 100644 > --- a/libavformat/img2.c > +++ b/libavformat/img2.c > @@ -95,6 +95,7 @@ > TAG(QOI, qoi ) \ > TAG(RADIANCE_HDR, hdr ) \ > TAG(WBMP, wbmp ) \ > + TAG(FARBFELD, ff ) \ > TAG(NONE, ) > > #define LENGTH_CHECK(CODECID, STR) \ > diff --git a/libavformat/img2enc.c b/libavformat/img2enc.c > index 526a11e5ee..13355a6fad 100644 > --- a/libavformat/img2enc.c > +++ b/libavformat/img2enc.c > @@ -276,7 +276,7 @@ const FFOutputFormat ff_image2_muxer = { > .p.long_name = NULL_IF_CONFIG_SMALL("image2 sequence"), > .p.extensions = "bmp,dpx,exr,jls,jpeg,jpg,jxl,ljpg,pam,pbm,pcx,pfm,pgm,pgmyuv,phm," > "png,ppm,sgi,tga,tif,tiff,jp2,j2c,j2k,xwd,sun,ras,rs,im1,im8," > - "im24,sunras,vbn,xbm,xface,pix,y,avif,qoi,hdr,wbmp", > + "im24,sunras,vbn,xbm,xface,pix,y,avif,qoi,hdr,wbmp,ff", > .priv_data_size = sizeof(VideoMuxData), > .p.video_codec = AV_CODEC_ID_MJPEG, > .write_header = write_header, Again, there is reason for this to be a codec at all.