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Diffstat (limited to 'contrib/ffmpeg/libavcodec/x264.c')
-rw-r--r--contrib/ffmpeg/libavcodec/x264.c300
1 files changed, 0 insertions, 300 deletions
diff --git a/contrib/ffmpeg/libavcodec/x264.c b/contrib/ffmpeg/libavcodec/x264.c
deleted file mode 100644
index c9df820f5..000000000
--- a/contrib/ffmpeg/libavcodec/x264.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * H.264 encoding using the x264 library
- * Copyright (C) 2005 Mans Rullgard <mru@inprovide.com>
- *
- * 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 "avcodec.h"
-#include <x264.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-typedef struct X264Context {
- x264_param_t params;
- x264_t *enc;
- x264_picture_t pic;
- AVFrame out_pic;
-} X264Context;
-
-static void
-X264_log(void *p, int level, const char *fmt, va_list args)
-{
- static const int level_map[] = {
- [X264_LOG_ERROR] = AV_LOG_ERROR,
- [X264_LOG_WARNING] = AV_LOG_ERROR,
- [X264_LOG_INFO] = AV_LOG_INFO,
- [X264_LOG_DEBUG] = AV_LOG_DEBUG
- };
-
- if(level < 0 || level > X264_LOG_DEBUG)
- return;
-
- av_vlog(p, level_map[level], fmt, args);
-}
-
-
-static int
-encode_nals(uint8_t *buf, int size, x264_nal_t *nals, int nnal)
-{
- uint8_t *p = buf;
- int i;
-
- for(i = 0; i < nnal; i++){
- int s = x264_nal_encode(p, &size, 1, nals + i);
- if(s < 0)
- return -1;
- p += s;
- }
-
- return p - buf;
-}
-
-static int
-X264_frame(AVCodecContext *ctx, uint8_t *buf, int bufsize, void *data)
-{
- X264Context *x4 = ctx->priv_data;
- AVFrame *frame = data;
- x264_nal_t *nal;
- int nnal, i;
- x264_picture_t pic_out;
-
- x4->pic.img.i_csp = X264_CSP_I420;
- x4->pic.img.i_plane = 3;
-
- if (frame) {
- for(i = 0; i < 3; i++){
- x4->pic.img.plane[i] = frame->data[i];
- x4->pic.img.i_stride[i] = frame->linesize[i];
- }
-
- x4->pic.i_pts = frame->pts;
- x4->pic.i_type = X264_TYPE_AUTO;
- }
-
- if(x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL,
- &pic_out))
- return -1;
-
- bufsize = encode_nals(buf, bufsize, nal, nnal);
- if(bufsize < 0)
- return -1;
-
- /* FIXME: dts */
- x4->out_pic.pts = pic_out.i_pts;
-
- switch(pic_out.i_type){
- case X264_TYPE_IDR:
- case X264_TYPE_I:
- x4->out_pic.pict_type = FF_I_TYPE;
- break;
- case X264_TYPE_P:
- x4->out_pic.pict_type = FF_P_TYPE;
- break;
- case X264_TYPE_B:
- case X264_TYPE_BREF:
- x4->out_pic.pict_type = FF_B_TYPE;
- break;
- }
-
- x4->out_pic.key_frame = pic_out.i_type == X264_TYPE_IDR;
- x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
-
- return bufsize;
-}
-
-static int
-X264_close(AVCodecContext *avctx)
-{
- X264Context *x4 = avctx->priv_data;
-
- if(x4->enc)
- x264_encoder_close(x4->enc);
-
- return 0;
-}
-
-static int
-X264_init(AVCodecContext *avctx)
-{
- X264Context *x4 = avctx->priv_data;
-
- x264_param_default(&x4->params);
-
- x4->params.pf_log = X264_log;
- x4->params.p_log_private = avctx;
-
- x4->params.i_keyint_max = avctx->gop_size;
- x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
- x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
- x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
- x4->params.rc.b_stat_write = (avctx->flags & CODEC_FLAG_PASS1);
- if(avctx->flags & CODEC_FLAG_PASS2) x4->params.rc.b_stat_read = 1;
- else{
- if(avctx->crf){
- x4->params.rc.i_rc_method = X264_RC_CRF;
- x4->params.rc.f_rf_constant = avctx->crf;
- }else if(avctx->cqp > -1){
- x4->params.rc.i_rc_method = X264_RC_CQP;
- x4->params.rc.i_qp_constant = avctx->cqp;
- }
- }
-
- // if neither crf nor cqp modes are selected we have to enable the RC
- // we do it this way because we cannot check if the bitrate has been set
- if(!(avctx->crf || (avctx->cqp > -1))) x4->params.rc.i_rc_method = X264_RC_ABR;
-
- x4->params.i_bframe = avctx->max_b_frames;
- x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
- x4->params.b_bframe_adaptive = avctx->b_frame_strategy;
- x4->params.i_bframe_bias = avctx->bframebias;
- x4->params.b_bframe_pyramid = (avctx->flags2 & CODEC_FLAG2_BPYRAMID);
- avctx->has_b_frames= (avctx->flags2 & CODEC_FLAG2_BPYRAMID) ? 2 : !!avctx->max_b_frames;
-
- x4->params.i_keyint_min = avctx->keyint_min;
- if(x4->params.i_keyint_min > x4->params.i_keyint_max)
- x4->params.i_keyint_min = x4->params.i_keyint_max;
-
- x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
-
- x4->params.b_deblocking_filter = (avctx->flags & CODEC_FLAG_LOOP_FILTER);
- x4->params.i_deblocking_filter_alphac0 = avctx->deblockalpha;
- x4->params.i_deblocking_filter_beta = avctx->deblockbeta;
-
- x4->params.rc.i_qp_min = avctx->qmin;
- x4->params.rc.i_qp_max = avctx->qmax;
- x4->params.rc.i_qp_step = avctx->max_qdiff;
-
- x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
- x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
- x4->params.rc.f_complexity_blur = avctx->complexityblur;
-
- x4->params.i_frame_reference = avctx->refs;
-
- x4->params.i_width = avctx->width;
- x4->params.i_height = avctx->height;
- x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;
- x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den;
- x4->params.i_fps_num = avctx->time_base.den;
- x4->params.i_fps_den = avctx->time_base.num;
-
- x4->params.analyse.inter = 0;
- if(avctx->partitions){
- if(avctx->partitions & X264_PART_I4X4)
- x4->params.analyse.inter |= X264_ANALYSE_I4x4;
- if(avctx->partitions & X264_PART_I8X8)
- x4->params.analyse.inter |= X264_ANALYSE_I8x8;
- if(avctx->partitions & X264_PART_P8X8)
- x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16;
- if(avctx->partitions & X264_PART_P4X4)
- x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8;
- if(avctx->partitions & X264_PART_B8X8)
- x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16;
- }
-
- x4->params.analyse.i_direct_mv_pred = avctx->directpred;
-
- x4->params.analyse.b_weighted_bipred = (avctx->flags2 & CODEC_FLAG2_WPRED);
-
- if(avctx->me_method == ME_EPZS)
- x4->params.analyse.i_me_method = X264_ME_DIA;
- else if(avctx->me_method == ME_HEX)
- x4->params.analyse.i_me_method = X264_ME_HEX;
- else if(avctx->me_method == ME_UMH)
- x4->params.analyse.i_me_method = X264_ME_UMH;
- else if(avctx->me_method == ME_FULL)
- x4->params.analyse.i_me_method = X264_ME_ESA;
- else x4->params.analyse.i_me_method = X264_ME_HEX;
-
- x4->params.analyse.i_me_range = avctx->me_range;
- x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
-
- x4->params.analyse.b_bidir_me = (avctx->bidir_refine > 0);
- x4->params.analyse.b_bframe_rdo = (avctx->flags2 & CODEC_FLAG2_BRDO);
- x4->params.analyse.b_mixed_references =
- (avctx->flags2 & CODEC_FLAG2_MIXED_REFS);
- x4->params.analyse.b_chroma_me = (avctx->me_cmp & FF_CMP_CHROMA);
- x4->params.analyse.b_transform_8x8 = (avctx->flags2 & CODEC_FLAG2_8X8DCT);
- x4->params.analyse.b_fast_pskip = (avctx->flags2 & CODEC_FLAG2_FASTPSKIP);
-
- x4->params.analyse.i_trellis = avctx->trellis;
- x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
-
- if(avctx->level > 0) x4->params.i_level_idc = avctx->level;
-
- x4->params.rc.f_rate_tolerance =
- (float)avctx->bit_rate_tolerance/avctx->bit_rate;
-
- if((avctx->rc_buffer_size != 0) &&
- (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)){
- x4->params.rc.f_vbv_buffer_init =
- (float)avctx->rc_initial_buffer_occupancy/avctx->rc_buffer_size;
- }
- else x4->params.rc.f_vbv_buffer_init = 0.9;
-
- x4->params.rc.f_ip_factor = 1/fabs(avctx->i_quant_factor);
- x4->params.rc.f_pb_factor = avctx->b_quant_factor;
- x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
- x4->params.rc.psz_rc_eq = avctx->rc_eq;
-
- x4->params.analyse.b_psnr = (avctx->flags & CODEC_FLAG_PSNR);
- x4->params.i_log_level = X264_LOG_DEBUG;
-
- x4->params.b_aud = (avctx->flags2 & CODEC_FLAG2_AUD);
-
- x4->params.i_threads = avctx->thread_count;
-
- if(avctx->flags & CODEC_FLAG_GLOBAL_HEADER){
- x4->params.b_repeat_headers = 0;
- }
-
- x4->enc = x264_encoder_open(&x4->params);
- if(!x4->enc)
- return -1;
-
- avctx->coded_frame = &x4->out_pic;
-
- if(avctx->flags & CODEC_FLAG_GLOBAL_HEADER){
- x264_nal_t *nal;
- int nnal, i, s = 0;
-
- x264_encoder_headers(x4->enc, &nal, &nnal);
-
- /* 5 bytes NAL header + worst case escaping */
- for(i = 0; i < nnal; i++)
- s += 5 + nal[i].i_payload * 4 / 3;
-
- avctx->extradata = av_malloc(s);
- avctx->extradata_size = encode_nals(avctx->extradata, s, nal, nnal);
- }
-
- return 0;
-}
-
-AVCodec x264_encoder = {
- .name = "h264",
- .type = CODEC_TYPE_VIDEO,
- .id = CODEC_ID_H264,
- .priv_data_size = sizeof(X264Context),
- .init = X264_init,
- .encode = X264_frame,
- .close = X264_close,
- .capabilities = CODEC_CAP_DELAY,
- .pix_fmts = (enum PixelFormat[]) { PIX_FMT_YUV420P, -1 }
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 09:08:22 +0000