static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx) { LibOpenJPEGContext *ctx = avctx->priv_data; int err = AVERROR(ENOMEM); opj_set_default_encoder_parameters(&ctx->enc_params); ctx->enc_params.cp_rsiz = ctx->profile; ctx->enc_params.mode = !!avctx->global_quality; ctx->enc_params.cp_cinema = ctx->cinema_mode; ctx->enc_params.prog_order = ctx->prog_order; ctx->enc_params.numresolution = ctx->numresolution; ctx->enc_params.cp_disto_alloc = ctx->disto_alloc; ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc; ctx->enc_params.cp_fixed_quality = ctx->fixed_quality; ctx->enc_params.tcp_numlayers = ctx->numlayers; ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2; if (ctx->cinema_mode > 0) { cinema_parameters(&ctx->enc_params); } ctx->compress = opj_create_compress(ctx->format); if (!ctx->compress) { av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n"); return AVERROR(ENOMEM); } ctx->image = mj2_create_image(avctx, &ctx->enc_params); if (!ctx->image) { av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n"); err = AVERROR(EINVAL); goto fail; } avctx->coded_frame = av_frame_alloc(); if (!avctx->coded_frame) { av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n"); goto fail; } memset(&ctx->event_mgr, 0, sizeof(opj_event_mgr_t)); ctx->event_mgr.info_handler = info_callback; ctx->event_mgr.error_handler = error_callback; ctx->event_mgr.warning_handler = warning_callback; opj_set_event_mgr((opj_common_ptr) ctx->compress, &ctx->event_mgr, avctx); return 0; fail: opj_destroy_compress(ctx->compress); ctx->compress = NULL; opj_image_destroy(ctx->image); ctx->image = NULL; av_freep(&avctx->coded_frame); return err; }