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Diffstat (limited to 'ffmpeg/libavcodec/libxavs.c')
-rw-r--r--ffmpeg/libavcodec/libxavs.c436
1 files changed, 0 insertions, 436 deletions
diff --git a/ffmpeg/libavcodec/libxavs.c b/ffmpeg/libavcodec/libxavs.c
deleted file mode 100644
index ffe3411..0000000
--- a/ffmpeg/libavcodec/libxavs.c
+++ /dev/null
@@ -1,436 +0,0 @@
-/*
- * AVS encoding using the xavs library
- * Copyright (C) 2010 Amanda, Y.N. Wu <amanda11192003@gmail.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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <stdint.h>
-#include <float.h>
-#include <xavs.h>
-#include "avcodec.h"
-#include "internal.h"
-#include "libavutil/internal.h"
-#include "libavutil/mem.h"
-#include "libavutil/opt.h"
-
-#define END_OF_STREAM 0x001
-
-#define XAVS_PART_I8X8 0x002 /* Analyze i8x8 (requires 8x8 transform) */
-#define XAVS_PART_P8X8 0x010 /* Analyze p16x8, p8x16 and p8x8 */
-#define XAVS_PART_B8X8 0x100 /* Analyze b16x8, b*/
-
-typedef struct XavsContext {
- AVClass *class;
- xavs_param_t params;
- xavs_t *enc;
- xavs_picture_t pic;
- uint8_t *sei;
- int sei_size;
- int end_of_stream;
- float crf;
- int cqp;
- int b_bias;
- float cplxblur;
- int direct_pred;
- int aud;
- int fast_pskip;
- int mbtree;
- int mixed_refs;
-
- int64_t *pts_buffer;
- int out_frame_count;
-} XavsContext;
-
-static void XAVS_log(void *p, int level, const char *fmt, va_list args)
-{
- static const int level_map[] = {
- [XAVS_LOG_ERROR] = AV_LOG_ERROR,
- [XAVS_LOG_WARNING] = AV_LOG_WARNING,
- [XAVS_LOG_INFO] = AV_LOG_INFO,
- [XAVS_LOG_DEBUG] = AV_LOG_DEBUG
- };
-
- if (level < 0 || level > XAVS_LOG_DEBUG)
- return;
-
- av_vlog(p, level_map[level], fmt, args);
-}
-
-static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
- xavs_nal_t *nals, int nnal)
-{
- XavsContext *x4 = ctx->priv_data;
- uint8_t *p;
- int i, s, ret, size = x4->sei_size + FF_MIN_BUFFER_SIZE;
-
- if (!nnal)
- return 0;
-
- for (i = 0; i < nnal; i++)
- size += nals[i].i_payload;
-
- if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0)
- return ret;
- p = pkt->data;
-
- /* Write the SEI as part of the first frame. */
- if (x4->sei_size > 0 && nnal > 0) {
- memcpy(p, x4->sei, x4->sei_size);
- p += x4->sei_size;
- x4->sei_size = 0;
- }
-
- for (i = 0; i < nnal; i++) {
- s = xavs_nal_encode(p, &size, 1, nals + i);
- if (s < 0)
- return -1;
- p += s;
- }
- pkt->size = p - pkt->data;
-
- return 1;
-}
-
-static int XAVS_frame(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *frame, int *got_packet)
-{
- XavsContext *x4 = avctx->priv_data;
- xavs_nal_t *nal;
- int nnal, i, ret;
- xavs_picture_t pic_out;
-
- x4->pic.img.i_csp = XAVS_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 = XAVS_TYPE_AUTO;
- x4->pts_buffer[avctx->frame_number % (avctx->max_b_frames+1)] = frame->pts;
- }
-
- if (xavs_encoder_encode(x4->enc, &nal, &nnal,
- frame? &x4->pic: NULL, &pic_out) < 0)
- return -1;
-
- ret = encode_nals(avctx, pkt, nal, nnal);
-
- if (ret < 0)
- return -1;
-
- if (!ret) {
- if (!frame && !(x4->end_of_stream)) {
- if ((ret = ff_alloc_packet2(avctx, pkt, 4)) < 0)
- return ret;
-
- pkt->data[0] = 0x0;
- pkt->data[1] = 0x0;
- pkt->data[2] = 0x01;
- pkt->data[3] = 0xb1;
- pkt->dts = 2*x4->pts_buffer[(x4->out_frame_count-1)%(avctx->max_b_frames+1)] -
- x4->pts_buffer[(x4->out_frame_count-2)%(avctx->max_b_frames+1)];
- x4->end_of_stream = END_OF_STREAM;
- *got_packet = 1;
- }
- return 0;
- }
-
- avctx->coded_frame->pts = pic_out.i_pts;
- pkt->pts = pic_out.i_pts;
- if (avctx->has_b_frames) {
- if (!x4->out_frame_count)
- pkt->dts = pkt->pts - (x4->pts_buffer[1] - x4->pts_buffer[0]);
- else
- pkt->dts = x4->pts_buffer[(x4->out_frame_count-1)%(avctx->max_b_frames+1)];
- } else
- pkt->dts = pkt->pts;
-
- switch (pic_out.i_type) {
- case XAVS_TYPE_IDR:
- case XAVS_TYPE_I:
- avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
- break;
- case XAVS_TYPE_P:
- avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
- break;
- case XAVS_TYPE_B:
- case XAVS_TYPE_BREF:
- avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
- break;
- }
-
- /* There is no IDR frame in AVS JiZhun */
- /* Sequence header is used as a flag */
- if (pic_out.i_type == XAVS_TYPE_I) {
- avctx->coded_frame->key_frame = 1;
- pkt->flags |= AV_PKT_FLAG_KEY;
- }
-
- avctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
-
- x4->out_frame_count++;
- *got_packet = ret;
- return 0;
-}
-
-static av_cold int XAVS_close(AVCodecContext *avctx)
-{
- XavsContext *x4 = avctx->priv_data;
-
- av_freep(&avctx->extradata);
- av_free(x4->sei);
- av_freep(&x4->pts_buffer);
-
- if (x4->enc)
- xavs_encoder_close(x4->enc);
-
- av_frame_free(&avctx->coded_frame);
-
- return 0;
-}
-
-static av_cold int XAVS_init(AVCodecContext *avctx)
-{
- XavsContext *x4 = avctx->priv_data;
-
- x4->sei_size = 0;
- xavs_param_default(&x4->params);
-
- x4->params.pf_log = XAVS_log;
- x4->params.p_log_private = avctx;
- x4->params.i_keyint_max = avctx->gop_size;
- if (avctx->bit_rate) {
- x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
- x4->params.rc.i_rc_method = XAVS_RC_ABR;
- }
- 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 (x4->crf >= 0) {
- x4->params.rc.i_rc_method = XAVS_RC_CRF;
- x4->params.rc.f_rf_constant = x4->crf;
- } else if (x4->cqp >= 0) {
- x4->params.rc.i_rc_method = XAVS_RC_CQP;
- x4->params.rc.i_qp_constant = x4->cqp;
- }
- }
-
- if (x4->aud >= 0)
- x4->params.b_aud = x4->aud;
- if (x4->mbtree >= 0)
- x4->params.rc.b_mb_tree = x4->mbtree;
- if (x4->direct_pred >= 0)
- x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
- if (x4->fast_pskip >= 0)
- x4->params.analyse.b_fast_pskip = x4->fast_pskip;
- if (x4->mixed_refs >= 0)
- x4->params.analyse.b_mixed_references = x4->mixed_refs;
- if (x4->b_bias != INT_MIN)
- x4->params.i_bframe_bias = x4->b_bias;
- if (x4->cplxblur >= 0)
- x4->params.rc.f_complexity_blur = x4->cplxblur;
-
- x4->params.i_bframe = avctx->max_b_frames;
- /* cabac is not included in AVS JiZhun Profile */
- x4->params.b_cabac = 0;
-
- x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
-
- avctx->has_b_frames = !!avctx->max_b_frames;
-
- /* AVS doesn't allow B picture as reference */
- /* The max allowed reference frame number of B is 2 */
- 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.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.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;
- /* This is only used for counting the fps */
- x4->params.i_fps_num = avctx->time_base.den;
- x4->params.i_fps_den = avctx->time_base.num;
- x4->params.analyse.inter = XAVS_ANALYSE_I8x8 |XAVS_ANALYSE_PSUB16x16| XAVS_ANALYSE_BSUB16x16;
-
- switch (avctx->me_method) {
- case ME_EPZS:
- x4->params.analyse.i_me_method = XAVS_ME_DIA;
- break;
- case ME_HEX:
- x4->params.analyse.i_me_method = XAVS_ME_HEX;
- break;
- case ME_UMH:
- x4->params.analyse.i_me_method = XAVS_ME_UMH;
- break;
- case ME_FULL:
- x4->params.analyse.i_me_method = XAVS_ME_ESA;
- break;
- case ME_TESA:
- x4->params.analyse.i_me_method = XAVS_ME_TESA;
- break;
- default:
- x4->params.analyse.i_me_method = XAVS_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_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
- /* AVS P2 only enables 8x8 transform */
- x4->params.analyse.b_transform_8x8 = 1; //avctx->flags2 & CODEC_FLAG2_8X8DCT;
-
- 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) &&
- (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;
-
- /* TAG:do we have MB tree RC method */
- /* what is the RC method we are now using? Default NO */
- 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.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
- x4->params.i_log_level = XAVS_LOG_DEBUG;
- x4->params.i_threads = avctx->thread_count;
- x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
-
- if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
- x4->params.b_repeat_headers = 0;
-
- x4->enc = xavs_encoder_open(&x4->params);
- if (!x4->enc)
- return -1;
-
- if (!(x4->pts_buffer = av_mallocz((avctx->max_b_frames+1) * sizeof(*x4->pts_buffer))))
- return AVERROR(ENOMEM);
-
- avctx->coded_frame = av_frame_alloc();
- if (!avctx->coded_frame)
- return AVERROR(ENOMEM);
-
- /* TAG: Do we have GLOBAL HEADER in AVS */
- /* We Have PPS and SPS in AVS */
- if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
- xavs_nal_t *nal;
- int nnal, s, i, size;
- uint8_t *p;
-
- s = xavs_encoder_headers(x4->enc, &nal, &nnal);
-
- avctx->extradata = p = av_malloc(s);
- for (i = 0; i < nnal; i++) {
- /* Don't put the SEI in extradata. */
- if (nal[i].i_type == NAL_SEI) {
- x4->sei = av_malloc( 5 + nal[i].i_payload * 4 / 3 );
- if (xavs_nal_encode(x4->sei, &x4->sei_size, 1, nal + i) < 0)
- return -1;
-
- continue;
- }
- size = xavs_nal_encode(p, &s, 1, nal + i);
- if (size < 0)
- return -1;
- p += size;
- }
- avctx->extradata_size = p - avctx->extradata;
- }
- return 0;
-}
-
-#define OFFSET(x) offsetof(XavsContext, x)
-#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-static const AVOption options[] = {
- { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
- { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, VE },
- { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, {.i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
- { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
- { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
- { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
- { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
- { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
- { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
- { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 1, VE},
- { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 1, VE},
- { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE },
- { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 1, VE},
- { NULL },
-};
-
-static const AVClass xavs_class = {
- .class_name = "libxavs",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-static const AVCodecDefault xavs_defaults[] = {
- { "b", "0" },
- { NULL },
-};
-
-AVCodec ff_libxavs_encoder = {
- .name = "libxavs",
- .long_name = NULL_IF_CONFIG_SMALL("libxavs Chinese AVS (Audio Video Standard)"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_CAVS,
- .priv_data_size = sizeof(XavsContext),
- .init = XAVS_init,
- .encode2 = XAVS_frame,
- .close = XAVS_close,
- .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
- .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
- .priv_class = &xavs_class,
- .defaults = xavs_defaults,
-};
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