X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmjpegenc.c;h=9aeb68fdc65f955aebe82dd3cfe347b62589f848;hb=7a95afe433b2a692f490b98948c082e62ffc1d27;hp=d76341c0e7533f876e3192dfc1a4110261ba53fd;hpb=d5202e4fda3d6e3d63e032328b7626f779572e76;p=ffmpeg diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c index d76341c0e75..9aeb68fdc65 100644 --- a/libavcodec/mjpegenc.c +++ b/libavcodec/mjpegenc.c @@ -1,6 +1,6 @@ /* * MJPEG encoder - * Copyright (c) 2000, 2001 Fabrice Bellard. + * Copyright (c) 2000, 2001 Fabrice Bellard * Copyright (c) 2003 Alex Beregszaszi * Copyright (c) 2003-2004 Michael Niedermayer * @@ -8,25 +8,25 @@ * aspecting, new decode_frame mechanism and apple mjpeg-b support * by Alex Beregszaszi * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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, + * Libav 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 + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file mjpegenc.c + * @file * MJPEG encoder. */ @@ -58,20 +58,20 @@ av_cold int ff_mjpeg_encode_init(MpegEncContext *s) /* build all the huffman tables */ ff_mjpeg_build_huffman_codes(m->huff_size_dc_luminance, m->huff_code_dc_luminance, - ff_mjpeg_bits_dc_luminance, - ff_mjpeg_val_dc_luminance); + avpriv_mjpeg_bits_dc_luminance, + avpriv_mjpeg_val_dc); ff_mjpeg_build_huffman_codes(m->huff_size_dc_chrominance, m->huff_code_dc_chrominance, - ff_mjpeg_bits_dc_chrominance, - ff_mjpeg_val_dc_chrominance); + avpriv_mjpeg_bits_dc_chrominance, + avpriv_mjpeg_val_dc); ff_mjpeg_build_huffman_codes(m->huff_size_ac_luminance, m->huff_code_ac_luminance, - ff_mjpeg_bits_ac_luminance, - ff_mjpeg_val_ac_luminance); + avpriv_mjpeg_bits_ac_luminance, + avpriv_mjpeg_val_ac_luminance); ff_mjpeg_build_huffman_codes(m->huff_size_ac_chrominance, m->huff_code_ac_chrominance, - ff_mjpeg_bits_ac_chrominance, - ff_mjpeg_val_ac_chrominance); + avpriv_mjpeg_bits_ac_chrominance, + avpriv_mjpeg_val_ac_chrominance); s->mjpeg_ctx = m; return 0; @@ -135,18 +135,18 @@ static void jpeg_table_header(MpegEncContext *s) /* huffman table */ put_marker(p, DHT); flush_put_bits(p); - ptr = pbBufPtr(p); + ptr = put_bits_ptr(p); put_bits(p, 16, 0); /* patched later */ size = 2; - size += put_huffman_table(s, 0, 0, ff_mjpeg_bits_dc_luminance, - ff_mjpeg_val_dc_luminance); - size += put_huffman_table(s, 0, 1, ff_mjpeg_bits_dc_chrominance, - ff_mjpeg_val_dc_chrominance); - - size += put_huffman_table(s, 1, 0, ff_mjpeg_bits_ac_luminance, - ff_mjpeg_val_ac_luminance); - size += put_huffman_table(s, 1, 1, ff_mjpeg_bits_ac_chrominance, - ff_mjpeg_val_ac_chrominance); + size += put_huffman_table(s, 0, 0, avpriv_mjpeg_bits_dc_luminance, + avpriv_mjpeg_val_dc); + size += put_huffman_table(s, 0, 1, avpriv_mjpeg_bits_dc_chrominance, + avpriv_mjpeg_val_dc); + + size += put_huffman_table(s, 1, 0, avpriv_mjpeg_bits_ac_luminance, + avpriv_mjpeg_val_ac_luminance); + size += put_huffman_table(s, 1, 1, avpriv_mjpeg_bits_ac_chrominance, + avpriv_mjpeg_val_ac_chrominance); AV_WB16(ptr, size); } @@ -161,7 +161,7 @@ static void jpeg_put_comments(MpegEncContext *s) /* JFIF header */ put_marker(p, APP0); put_bits(p, 16, 16); - ff_put_string(p, "JFIF", 1); /* this puts the trailing zero-byte too */ + avpriv_put_string(p, "JFIF", 1); /* this puts the trailing zero-byte too */ put_bits(p, 16, 0x0201); /* v 1.02 */ put_bits(p, 8, 0); /* units type: 0 - aspect ratio */ put_bits(p, 16, s->avctx->sample_aspect_ratio.num); @@ -174,21 +174,21 @@ static void jpeg_put_comments(MpegEncContext *s) if(!(s->flags & CODEC_FLAG_BITEXACT)){ put_marker(p, COM); flush_put_bits(p); - ptr = pbBufPtr(p); + ptr = put_bits_ptr(p); put_bits(p, 16, 0); /* patched later */ - ff_put_string(p, LIBAVCODEC_IDENT, 1); + avpriv_put_string(p, LIBAVCODEC_IDENT, 1); size = strlen(LIBAVCODEC_IDENT)+3; AV_WB16(ptr, size); } - if( s->avctx->pix_fmt == PIX_FMT_YUV420P - ||s->avctx->pix_fmt == PIX_FMT_YUV422P - ||s->avctx->pix_fmt == PIX_FMT_YUV444P){ + if( s->avctx->pix_fmt == AV_PIX_FMT_YUV420P + ||s->avctx->pix_fmt == AV_PIX_FMT_YUV422P + ||s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){ put_marker(p, COM); flush_put_bits(p); - ptr = pbBufPtr(p); + ptr = put_bits_ptr(p); put_bits(p, 16, 0); /* patched later */ - ff_put_string(p, "CS=ITU601", 1); + avpriv_put_string(p, "CS=ITU601", 1); size = strlen("CS=ITU601")+3; AV_WB16(ptr, size); } @@ -196,7 +196,7 @@ static void jpeg_put_comments(MpegEncContext *s) void ff_mjpeg_encode_picture_header(MpegEncContext *s) { - const int lossless= s->avctx->codec_id != CODEC_ID_MJPEG; + const int lossless= s->avctx->codec_id != AV_CODEC_ID_MJPEG; put_marker(&s->pb, SOI); @@ -205,13 +205,13 @@ void ff_mjpeg_encode_picture_header(MpegEncContext *s) jpeg_table_header(s); switch(s->avctx->codec_id){ - case CODEC_ID_MJPEG: put_marker(&s->pb, SOF0 ); break; - case CODEC_ID_LJPEG: put_marker(&s->pb, SOF3 ); break; + case AV_CODEC_ID_MJPEG: put_marker(&s->pb, SOF0 ); break; + case AV_CODEC_ID_LJPEG: put_marker(&s->pb, SOF3 ); break; default: assert(0); } put_bits(&s->pb, 16, 17); - if(lossless && s->avctx->pix_fmt == PIX_FMT_RGB32) + if(lossless && s->avctx->pix_fmt == AV_PIX_FMT_BGRA) put_bits(&s->pb, 8, 9); /* 9 bits/component RCT */ else put_bits(&s->pb, 8, 8); /* 8 bits/component */ @@ -268,8 +268,8 @@ void ff_mjpeg_encode_picture_header(MpegEncContext *s) put_bits(&s->pb, 8, lossless ? s->avctx->prediction_method+1 : 0); /* Ss (not used) */ switch(s->avctx->codec_id){ - case CODEC_ID_MJPEG: put_bits(&s->pb, 8, 63); break; /* Se (not used) */ - case CODEC_ID_LJPEG: put_bits(&s->pb, 8, 0); break; /* not used */ + case AV_CODEC_ID_MJPEG: put_bits(&s->pb, 8, 63); break; /* Se (not used) */ + case AV_CODEC_ID_LJPEG: put_bits(&s->pb, 8, 0); break; /* not used */ default: assert(0); } @@ -313,17 +313,13 @@ static void escape_FF(MpegEncContext *s, int start) if(ff_count==0) return; - /* skip put bits */ - for(i=0; ipb, 32, 0); - put_bits(&s->pb, (ff_count-i)*8, 0); flush_put_bits(&s->pb); + skip_put_bytes(&s->pb, ff_count); for(i=size-1; ff_count; i--){ int v= buf[i]; if(v==0xFF){ -//printf("%d %d\n", i, ff_count); buf[i+ff_count]= 0; ff_count--; } @@ -369,11 +365,11 @@ void ff_mjpeg_encode_dc(MpegEncContext *s, int val, put_bits(&s->pb, huff_size[nbits], huff_code[nbits]); - put_bits(&s->pb, nbits, mant & ((1 << nbits) - 1)); + put_sbits(&s->pb, nbits, mant); } } -static void encode_block(MpegEncContext *s, DCTELEM *block, int n) +static void encode_block(MpegEncContext *s, int16_t *block, int n) { int mant, nbits, code, i, j; int component, dc, run, last_index, val; @@ -421,7 +417,7 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n) put_bits(&s->pb, huff_size_ac[code], huff_code_ac[code]); - put_bits(&s->pb, nbits, mant & ((1 << nbits) - 1)); + put_sbits(&s->pb, nbits, mant); run = 0; } } @@ -431,7 +427,7 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n) put_bits(&s->pb, huff_size_ac[0], huff_code_ac[0]); } -void ff_mjpeg_encode_mb(MpegEncContext *s, DCTELEM block[6][64]) +void ff_mjpeg_encode_mb(MpegEncContext *s, int16_t block[6][64]) { int i; for(i=0;i<5;i++) { @@ -444,16 +440,20 @@ void ff_mjpeg_encode_mb(MpegEncContext *s, DCTELEM block[6][64]) encode_block(s, block[5], 5); encode_block(s, block[7], 7); } + + s->i_tex_bits += get_bits_diff(s); } -AVCodec mjpeg_encoder = { - "mjpeg", - CODEC_TYPE_VIDEO, - CODEC_ID_MJPEG, - sizeof(MpegEncContext), - MPV_encode_init, - MPV_encode_picture, - MPV_encode_end, - .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, -1}, - .long_name= "MJPEG (Motion JPEG)", +AVCodec ff_mjpeg_encoder = { + .name = "mjpeg", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_MJPEG, + .priv_data_size = sizeof(MpegEncContext), + .init = ff_MPV_encode_init, + .encode2 = ff_MPV_encode_picture, + .close = ff_MPV_encode_end, + .pix_fmts = (const enum AVPixelFormat[]){ + AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_NONE + }, + .long_name = NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"), };