mirror of https://github.com/FFmpeg/FFmpeg.git
Based on FFmpeg version from
commit 713a7854e0
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
pull/59/head
parent
b43a7bb4f9
commit
453c02f971
7 changed files with 444 additions and 4 deletions
@ -0,0 +1,437 @@ |
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/*
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* JPEG 2000 encoding support via OpenJPEG |
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* Copyright (c) 2011 Michael Bradshaw <mbradshaw@sorensonmedia.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/**
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* @file |
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* JPEG 2000 encoder using libopenjpeg |
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*/ |
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#define OPJ_STATIC |
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#include <openjpeg.h> |
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#include "libavutil/opt.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/intreadwrite.h" |
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#include "avcodec.h" |
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#include "internal.h" |
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typedef struct { |
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AVClass *avclass; |
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opj_image_t *image; |
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opj_cparameters_t enc_params; |
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opj_cinfo_t *compress; |
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opj_event_mgr_t event_mgr; |
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int format; |
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int profile; |
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int prog_order; |
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int cinema_mode; |
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int numresolution; |
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int numlayers; |
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int disto_alloc; |
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int fixed_alloc; |
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int fixed_quality; |
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} LibOpenJPEGContext; |
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static void error_callback(const char *msg, void *data) |
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{ |
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av_log(data, AV_LOG_ERROR, "%s\n", msg); |
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} |
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static void warning_callback(const char *msg, void *data) |
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{ |
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av_log(data, AV_LOG_WARNING, "%s\n", msg); |
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} |
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static void info_callback(const char *msg, void *data) |
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{ |
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av_log(data, AV_LOG_DEBUG, "%s\n", msg); |
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} |
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static opj_image_t *libopenjpeg_create_image(AVCodecContext *avctx, |
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opj_cparameters_t *parameters) |
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{ |
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opj_image_cmptparm_t *cmptparm; |
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OPJ_COLOR_SPACE color_space; |
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opj_image_t *img; |
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int i; |
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int sub_dx[4]; |
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int sub_dy[4]; |
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int numcomps = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components; |
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sub_dx[0] = sub_dx[3] = 1; |
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sub_dy[0] = sub_dy[3] = 1; |
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sub_dx[1] = sub_dx[2] = |
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1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w; |
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sub_dy[1] = sub_dy[2] = |
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1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h; |
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switch (avctx->pix_fmt) { |
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case PIX_FMT_GRAY8: |
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case PIX_FMT_GRAY16: |
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case PIX_FMT_Y400A: |
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color_space = CLRSPC_GRAY; |
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break; |
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case PIX_FMT_RGB24: |
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case PIX_FMT_RGBA: |
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case PIX_FMT_RGB48: |
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color_space = CLRSPC_SRGB; |
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break; |
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case PIX_FMT_YUV410P: |
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case PIX_FMT_YUV411P: |
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case PIX_FMT_YUV420P: |
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case PIX_FMT_YUV422P: |
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case PIX_FMT_YUV440P: |
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case PIX_FMT_YUV444P: |
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case PIX_FMT_YUVA420P: |
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case PIX_FMT_YUV420P9: |
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case PIX_FMT_YUV422P9: |
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case PIX_FMT_YUV444P9: |
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case PIX_FMT_YUV420P10: |
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case PIX_FMT_YUV422P10: |
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case PIX_FMT_YUV444P10: |
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case PIX_FMT_YUV420P16: |
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case PIX_FMT_YUV422P16: |
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case PIX_FMT_YUV444P16: |
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color_space = CLRSPC_SYCC; |
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break; |
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default: |
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av_log(avctx, AV_LOG_ERROR, |
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"The requested pixel format '%s' is not supported\n", |
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av_get_pix_fmt_name(avctx->pix_fmt)); |
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return NULL; |
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} |
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cmptparm = av_mallocz(numcomps * sizeof(*cmptparm)); |
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if (!cmptparm) { |
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av_log(avctx, AV_LOG_ERROR, "Not enough memory"); |
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return NULL; |
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} |
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for (i = 0; i < numcomps; i++) { |
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cmptparm[i].prec = |
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av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1; |
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cmptparm[i].bpp = |
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av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1; |
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cmptparm[i].sgnd = 0; |
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cmptparm[i].dx = sub_dx[i]; |
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cmptparm[i].dy = sub_dy[i]; |
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cmptparm[i].w = avctx->width / sub_dx[i]; |
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cmptparm[i].h = avctx->height / sub_dy[i]; |
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} |
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img = opj_image_create(numcomps, cmptparm, color_space); |
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av_freep(&cmptparm); |
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return img; |
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} |
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static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx) |
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{ |
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LibOpenJPEGContext *ctx = avctx->priv_data; |
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int err = AVERROR(ENOMEM); |
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opj_set_default_encoder_parameters(&ctx->enc_params); |
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ctx->enc_params.cp_rsiz = ctx->profile; |
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ctx->enc_params.mode = !!avctx->global_quality; |
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ctx->enc_params.cp_cinema = ctx->cinema_mode; |
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ctx->enc_params.prog_order = ctx->prog_order; |
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ctx->enc_params.numresolution = ctx->numresolution; |
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ctx->enc_params.cp_disto_alloc = ctx->disto_alloc; |
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ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc; |
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ctx->enc_params.cp_fixed_quality = ctx->fixed_quality; |
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ctx->enc_params.tcp_numlayers = ctx->numlayers; |
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ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2; |
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ctx->compress = opj_create_compress(ctx->format); |
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if (!ctx->compress) { |
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av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n"); |
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return AVERROR(ENOMEM); |
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} |
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avctx->coded_frame = avcodec_alloc_frame(); |
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if (!avctx->coded_frame) { |
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av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n"); |
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goto fail; |
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} |
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ctx->image = libopenjpeg_create_image(avctx, &ctx->enc_params); |
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if (!ctx->image) { |
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av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n"); |
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err = AVERROR(EINVAL); |
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goto fail; |
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} |
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ctx->event_mgr.info_handler = info_callback; |
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ctx->event_mgr.error_handler = error_callback; |
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ctx->event_mgr.warning_handler = warning_callback; |
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opj_set_event_mgr((opj_common_ptr)ctx->compress, &ctx->event_mgr, avctx); |
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return 0; |
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fail: |
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av_freep(&ctx->compress); |
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av_freep(&avctx->coded_frame); |
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return err; |
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} |
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static void libopenjpeg_copy_packed8(AVCodecContext *avctx, |
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const AVFrame *frame, opj_image_t *image) |
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{ |
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int compno; |
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int x, y; |
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int image_index, frame_index; |
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const int numcomps = image->numcomps; |
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for (compno = 0; compno < numcomps; ++compno) { |
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for (y = 0; y < avctx->height; ++y) { |
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image_index = y * avctx->width; |
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frame_index = y * frame->linesize[0] + compno; |
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for (x = 0; x < avctx->width; ++x) { |
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image->comps[compno].data[image_index++] = |
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frame->data[0][frame_index]; |
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frame_index += numcomps; |
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} |
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} |
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} |
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} |
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static void libopenjpeg_copy_packed16(AVCodecContext *avctx, |
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const AVFrame *frame, opj_image_t *image) |
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{ |
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int compno; |
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int x, y; |
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int image_index, frame_index; |
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const int numcomps = image->numcomps; |
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uint16_t *frame_ptr = (uint16_t*)frame->data[0]; |
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for (compno = 0; compno < numcomps; ++compno) { |
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for (y = 0; y < avctx->height; ++y) { |
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image_index = y * avctx->width; |
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frame_index = y * (frame->linesize[0] / 2) + compno; |
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for (x = 0; x < avctx->width; ++x) { |
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image->comps[compno].data[image_index++] = |
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frame_ptr[frame_index]; |
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frame_index += numcomps; |
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} |
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} |
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} |
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} |
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static void libopenjpeg_copy_unpacked8(AVCodecContext *avctx, |
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const AVFrame *frame, opj_image_t *image) |
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{ |
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int compno; |
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int x, y; |
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int width, height; |
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int image_index, frame_index; |
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const int numcomps = image->numcomps; |
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for (compno = 0; compno < numcomps; ++compno) { |
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width = avctx->width / image->comps[compno].dx; |
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height = avctx->height / image->comps[compno].dy; |
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for (y = 0; y < height; ++y) { |
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image_index = y * width; |
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frame_index = y * frame->linesize[compno]; |
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for (x = 0; x < width; ++x) { |
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image->comps[compno].data[image_index++] = |
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frame->data[compno][frame_index++]; |
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} |
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} |
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} |
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} |
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static void libopenjpeg_copy_unpacked16(AVCodecContext *avctx, |
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const AVFrame *frame, |
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opj_image_t *image) |
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{ |
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int compno; |
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int x, y; |
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int width, height; |
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int image_index, frame_index; |
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const int numcomps = image->numcomps; |
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uint16_t *frame_ptr; |
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for (compno = 0; compno < numcomps; ++compno) { |
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width = avctx->width / image->comps[compno].dx; |
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height = avctx->height / image->comps[compno].dy; |
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frame_ptr = (uint16_t*)frame->data[compno]; |
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for (y = 0; y < height; ++y) { |
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image_index = y * width; |
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frame_index = y * (frame->linesize[compno] / 2); |
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for (x = 0; x < width; ++x) { |
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image->comps[compno].data[image_index++] = |
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frame_ptr[frame_index++]; |
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} |
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} |
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} |
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} |
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static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
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const AVFrame *frame, int *got_packet) |
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{ |
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LibOpenJPEGContext *ctx = avctx->priv_data; |
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opj_cinfo_t *compress = ctx->compress; |
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opj_image_t *image = ctx->image; |
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opj_cio_t *stream; |
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int ret, len; |
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// x0, y0 is the top left corner of the image
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// x1, y1 is the width, height of the reference grid
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image->x0 = 0; |
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image->y0 = 0; |
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image->x1 = (avctx->width - 1) * ctx->enc_params.subsampling_dx + 1; |
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image->y1 = (avctx->height - 1) * ctx->enc_params.subsampling_dy + 1; |
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switch (avctx->pix_fmt) { |
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case PIX_FMT_RGB24: |
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case PIX_FMT_RGBA: |
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case PIX_FMT_Y400A: |
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libopenjpeg_copy_packed8(avctx, frame, image); |
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break; |
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case PIX_FMT_RGB48: |
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libopenjpeg_copy_packed16(avctx, frame, image); |
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break; |
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case PIX_FMT_GRAY8: |
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case PIX_FMT_YUV410P: |
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case PIX_FMT_YUV411P: |
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case PIX_FMT_YUV420P: |
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case PIX_FMT_YUV422P: |
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case PIX_FMT_YUV440P: |
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case PIX_FMT_YUV444P: |
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case PIX_FMT_YUVA420P: |
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libopenjpeg_copy_unpacked8(avctx, frame, image); |
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break; |
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case PIX_FMT_GRAY16: |
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case PIX_FMT_YUV420P9: |
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case PIX_FMT_YUV422P9: |
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case PIX_FMT_YUV444P9: |
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case PIX_FMT_YUV444P10: |
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case PIX_FMT_YUV422P10: |
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case PIX_FMT_YUV420P10: |
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case PIX_FMT_YUV444P16: |
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case PIX_FMT_YUV422P16: |
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case PIX_FMT_YUV420P16: |
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libopenjpeg_copy_unpacked16(avctx, frame, image); |
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break; |
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default: |
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av_log(avctx, AV_LOG_ERROR, |
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"The frame's pixel format '%s' is not supported\n", |
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av_get_pix_fmt_name(avctx->pix_fmt)); |
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return AVERROR(EINVAL); |
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break; |
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} |
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opj_setup_encoder(compress, &ctx->enc_params, image); |
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stream = opj_cio_open((opj_common_ptr)compress, NULL, 0); |
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if (!stream) { |
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av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n"); |
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return AVERROR(ENOMEM); |
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} |
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if (!opj_encode(compress, stream, image, NULL)) { |
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opj_cio_close(stream); |
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av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n"); |
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return -1; |
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} |
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len = cio_tell(stream); |
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if ((ret = ff_alloc_packet(pkt, len)) < 0) { |
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opj_cio_close(stream); |
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return ret; |
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} |
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memcpy(pkt->data, stream->buffer, len); |
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pkt->flags |= AV_PKT_FLAG_KEY; |
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*got_packet = 1; |
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opj_cio_close(stream); |
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return 0; |
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} |
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static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx) |
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{ |
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LibOpenJPEGContext *ctx = avctx->priv_data; |
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opj_destroy_compress(ctx->compress); |
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opj_image_destroy(ctx->image); |
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av_freep(&avctx->coded_frame); |
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return 0 ; |
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} |
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#define OFFSET(x) offsetof(LibOpenJPEGContext, x) |
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
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static const AVOption options[] = { |
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{ "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" }, |
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{ "j2k", NULL, 0, AV_OPT_TYPE_CONST, { CODEC_J2K }, 0, 0, VE, "format" }, |
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{ "jp2", NULL, 0, AV_OPT_TYPE_CONST, { CODEC_JP2 }, 0, 0, VE, "format" }, |
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{ "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT, { STD_RSIZ }, STD_RSIZ, CINEMA4K, VE, "profile" }, |
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{ "jpeg2000", NULL, 0, AV_OPT_TYPE_CONST, { STD_RSIZ }, 0, 0, VE, "profile" }, |
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{ "cinema2k", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K }, 0, 0, VE, "profile" }, |
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{ "cinema4k", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA4K }, 0, 0, VE, "profile" }, |
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{ "cinema_mode", "Digital Cinema", OFFSET(cinema_mode), AV_OPT_TYPE_INT, { OFF }, OFF, CINEMA4K_24, VE, "cinema_mode" }, |
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{ "off", NULL, 0, AV_OPT_TYPE_CONST, { OFF }, 0, 0, VE, "cinema_mode" }, |
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{ "2k_24", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K_24 }, 0, 0, VE, "cinema_mode" }, |
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{ "2k_48", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA2K_48 }, 0, 0, VE, "cinema_mode" }, |
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{ "4k_24", NULL, 0, AV_OPT_TYPE_CONST, { CINEMA4K_24 }, 0, 0, VE, "cinema_mode" }, |
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{ "prog_order", "Progression Order", OFFSET(prog_order), AV_OPT_TYPE_INT, { LRCP }, LRCP, CPRL, VE, "prog_order" }, |
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{ "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { LRCP }, 0, 0, VE, "prog_order" }, |
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{ "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { RLCP }, 0, 0, VE, "prog_order" }, |
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{ "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { RPCL }, 0, 0, VE, "prog_order" }, |
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{ "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { PCRL }, 0, 0, VE, "prog_order" }, |
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{ "cprl", NULL, 0, AV_OPT_TYPE_CONST, { CPRL }, 0, 0, VE, "prog_order" }, |
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{ "numresolution", NULL, OFFSET(numresolution), AV_OPT_TYPE_INT, { 6 }, 1, 10, VE }, |
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{ "numlayers", NULL, OFFSET(numlayers), AV_OPT_TYPE_INT, { 1 }, 1, 10, VE }, |
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{ "disto_alloc", NULL, OFFSET(disto_alloc), AV_OPT_TYPE_INT, { 1 }, 0, 1, VE }, |
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{ "fixed_alloc", NULL, OFFSET(fixed_alloc), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE }, |
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{ "fixed_quality", NULL, OFFSET(fixed_quality), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE }, |
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{ NULL }, |
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}; |
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|
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static const AVClass class = { |
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.class_name = "libopenjpeg", |
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.item_name = av_default_item_name, |
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.option = options, |
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.version = LIBAVUTIL_VERSION_INT, |
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}; |
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|
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AVCodec ff_libopenjpeg_encoder = { |
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.name = "libopenjpeg", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = CODEC_ID_JPEG2000, |
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.priv_data_size = sizeof(LibOpenJPEGContext), |
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.init = libopenjpeg_encode_init, |
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.encode2 = libopenjpeg_encode_frame, |
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.close = libopenjpeg_encode_close, |
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.capabilities = 0, |
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.pix_fmts = (const enum PixelFormat[]){ |
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PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_RGB48, |
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PIX_FMT_GRAY8, PIX_FMT_GRAY16, PIX_FMT_Y400A, |
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PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUVA420P, |
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PIX_FMT_YUV440P, PIX_FMT_YUV444P, |
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PIX_FMT_YUV411P, PIX_FMT_YUV410P, |
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PIX_FMT_YUV420P9, PIX_FMT_YUV422P9, PIX_FMT_YUV444P9, |
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PIX_FMT_YUV420P10, PIX_FMT_YUV422P10, PIX_FMT_YUV444P10, |
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PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, |
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PIX_FMT_NONE |
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}, |
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.long_name = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"), |
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.priv_class = &class, |
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}; |
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