#define XAVS_PART_B8X8 0x100 /* Analyze b16x8, b*/
typedef struct XavsContext {
+ AVClass *class;
xavs_param_t params;
xavs_t *enc;
xavs_picture_t pic;
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 *ctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet)
{
XavsContext *x4 = ctx->priv_data;
- AVFrame *frame = data;
xavs_nal_t *nal;
- int nnal, i;
+ int nnal, i, ret;
xavs_picture_t pic_out;
x4->pic.img.i_csp = XAVS_CSP_I420;
x4->pic.i_pts = frame->pts;
x4->pic.i_type = XAVS_TYPE_AUTO;
+ x4->pts_buffer[ctx->frame_number % (ctx->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(ctx, 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)%(ctx->max_b_frames+1)] -
+ x4->pts_buffer[(x4->out_frame_count-2)%(ctx->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;
+ pkt->pts = pic_out.i_pts;
+ if (ctx->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)%(ctx->max_b_frames+1)];
+ } else
+ pkt->dts = pkt->pts;
switch (pic_out.i_type) {
case XAVS_TYPE_IDR:
/* 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) {
+ x4->out_pic.key_frame = 1;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ }
x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
- return bufsize;
+ 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);
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 = &x4->out_pic;
/* 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;
}
.id = CODEC_ID_CAVS,
.priv_data_size = sizeof(XavsContext),
.init = XAVS_init,
- .encode = XAVS_frame,
+ .encode2 = XAVS_frame,
.close = XAVS_close,
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
.pix_fmts = (const enum PixelFormat[]) { PIX_FMT_YUV420P, PIX_FMT_NONE },
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