#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_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;
- AVFrame out_pic;
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)
av_vlog(p, level_map[level], fmt, args);
}
-static int encode_nals(AVCodecContext *ctx, uint8_t *buf,
- int size, xavs_nal_t *nals,
- int nnal, int skip_sei)
+static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
+ xavs_nal_t *nals, int nnal)
{
XavsContext *x4 = ctx->priv_data;
- uint8_t *p = buf;
- int i, s;
+ 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_packet(pkt, size)) < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Error getting output packet of size %d.\n", size);
+ return ret;
+ }
+ p = pkt->data;
/* Write the SEI as part of the first frame. */
if (x4->sei_size > 0 && nnal > 0) {
}
for (i = 0; i < nnal; i++) {
- /* Don't put the SEI in extradata. */
- if (skip_sei && nals[i].i_type == NAL_SEI) {
- x4->sei = av_malloc( 5 + nals[i].i_payload * 4 / 3 );
- if (xavs_nal_encode(x4->sei, &x4->sei_size, 1, nals + i) < 0)
- return -1;
-
- continue;
- }
s = xavs_nal_encode(p, &size, 1, nals + i);
if (s < 0)
return -1;
p += s;
}
+ pkt->size = p - pkt->data;
- return p - buf;
+ return 1;
}
-static int XAVS_frame(AVCodecContext *ctx, uint8_t *buf,
- int bufsize, void *data)
+static int XAVS_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet)
{
- XavsContext *x4 = ctx->priv_data;
- AVFrame *frame = data;
+ XavsContext *x4 = avctx->priv_data;
xavs_nal_t *nal;
- int nnal, i;
+ int nnal, i, ret;
xavs_picture_t pic_out;
+ uint8_t *sd;
x4->pic.img.i_csp = XAVS_CSP_I420;
x4->pic.img.i_plane = 3;
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;
- bufsize = encode_nals(ctx, buf, bufsize, nal, nnal, 0);
+ ret = encode_nals(avctx, pkt, nal, nnal);
- if (bufsize < 0)
+ if (ret < 0)
return -1;
- if (!bufsize && !frame && !(x4->end_of_stream)){
- buf[bufsize] = 0x0;
- buf[bufsize+1] = 0x0;
- buf[bufsize+2] = 0x01;
- buf[bufsize+3] = 0xb1;
- bufsize += 4;
- x4->end_of_stream = END_OF_STREAM;
- return bufsize;
+ if (!ret) {
+ if (!frame && !(x4->end_of_stream)) {
+ if ((ret = ff_alloc_packet(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;
}
- /* FIXME: libxavs now provides DTS */
- /* but AVFrame doesn't have a field for it. */
- x4->out_pic.pts = pic_out.i_pts;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->pts = pic_out.i_pts;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ 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;
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
switch (pic_out.i_type) {
case XAVS_TYPE_IDR:
case XAVS_TYPE_I:
- x4->out_pic.pict_type = FF_I_TYPE;
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
break;
case XAVS_TYPE_P:
- x4->out_pic.pict_type = FF_P_TYPE;
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
break;
case XAVS_TYPE_B:
case XAVS_TYPE_BREF:
- x4->out_pic.pict_type = FF_B_TYPE;
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
break;
}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
/* There is no IDR frame in AVS JiZhun */
/* Sequence header is used as a flag */
- x4->out_pic.key_frame = pic_out.i_type == XAVS_TYPE_I;
+ if (pic_out.i_type == XAVS_TYPE_I) {
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->key_frame = 1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ }
- x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
- return bufsize;
+ sd = av_packet_new_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR, sizeof(int));
+ if (!sd)
+ return AVERROR(ENOMEM);
+ *(int *)sd = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
+
+ x4->out_frame_count++;
+ *got_packet = ret;
+ return 0;
}
static av_cold int XAVS_close(AVCodecContext *avctx)
av_freep(&avctx->extradata);
av_free(x4->sei);
+ av_freep(&x4->pts_buffer);
if (x4->enc)
xavs_encoder_close(x4->enc);
x4->params.pf_log = XAVS_log;
x4->params.p_log_private = avctx;
x4->params.i_keyint_max = avctx->gop_size;
- x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
+ 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 (avctx->crf) {
+ if (x4->crf >= 0) {
x4->params.rc.i_rc_method = XAVS_RC_CRF;
- x4->params.rc.f_rf_constant = avctx->crf;
- } else if (avctx->cqp > -1) {
+ 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 = avctx->cqp;
+ x4->params.rc.i_qp_constant = x4->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 = XAVS_RC_ABR;
+ 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;
- x4->params.i_bframe_bias = avctx->bframebias;
avctx->has_b_frames = !!avctx->max_b_frames;
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.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_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;
- if (avctx->partitions) {
- if (avctx->partitions & XAVS_PART_I8X8)
- x4->params.analyse.inter |= XAVS_ANALYSE_I8x8;
-
- if (avctx->partitions & XAVS_PART_P8X8)
- x4->params.analyse.inter |= XAVS_ANALYSE_PSUB16x16;
-
- if (avctx->partitions & XAVS_PART_B8X8)
- x4->params.analyse.inter |= XAVS_ANALYSE_BSUB16x16;
- }
-
- x4->params.analyse.i_direct_mv_pred = avctx->directpred;
-
- x4->params.analyse.b_weighted_bipred = avctx->flags2 & CODEC_FLAG2_WPRED;
switch (avctx->me_method) {
case ME_EPZS:
x4->params.analyse.i_me_range = avctx->me_range;
x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
- x4->params.analyse.b_mixed_references = avctx->flags2 & CODEC_FLAG2_MIXED_REFS;
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.b_fast_pskip = avctx->flags2 & CODEC_FLAG2_FASTPSKIP;
x4->params.analyse.i_trellis = avctx->trellis;
x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
/* TAG:do we have MB tree RC method */
/* what is the RC method we are now using? Default NO */
- x4->params.rc.b_mb_tree = !!(avctx->flags2 & CODEC_FLAG2_MBTREE);
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.b_aud = avctx->flags2 & CODEC_FLAG2_AUD;
x4->params.i_threads = avctx->thread_count;
x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
if (!x4->enc)
return -1;
- avctx->coded_frame = &x4->out_pic;
+ if (!(x4->pts_buffer = av_mallocz((avctx->max_b_frames+1) * sizeof(*x4->pts_buffer))))
+ 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;
+ int nnal, s, i, size;
+ uint8_t *p;
s = xavs_encoder_headers(x4->enc, &nal, &nnal);
- avctx->extradata = av_malloc(s);
- avctx->extradata_size = encode_nals(avctx, avctx->extradata, s, nal, nnal, 1);
+ 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, {-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, {-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 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 = CODEC_ID_CAVS,
+ .id = AV_CODEC_ID_CAVS,
.priv_data_size = sizeof(XavsContext),
.init = XAVS_init,
- .encode = XAVS_frame,
+ .encode2 = XAVS_frame,
.close = XAVS_close,
- .capabilities = CODEC_CAP_DELAY,
- .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_YUV420P, PIX_FMT_NONE },
- .long_name = NULL_IF_CONFIG_SMALL("libxavs - the Chinese Audio Video Standard Encoder"),
+ .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
+ .priv_class = &class,
+ .defaults = xavs_defaults,
};
-
projects / ffmpeg / blobdiff