1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
Index: libavcodec/libx264.c
===================================================================
--- libavcodec/libx264.c (revision 23181)
+++ libavcodec/libx264.c (working copy)
@@ -99,15 +99,17 @@
}
x4->pic.i_pts = frame->pts;
- x4->pic.i_type = X264_TYPE_AUTO;
+ x4->pic.i_type = frame->key_frame ? X264_TYPE_IDR : X264_TYPE_AUTO;
}
+ do {
if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
return -1;
bufsize = encode_nals(ctx, buf, bufsize, nal, nnal, 0);
if (bufsize < 0)
return -1;
+ } while(!bufsize && !frame && x264_encoder_delayed_frames(x4->enc));
/* FIXME: libx264 now provides DTS, but AVFrame doesn't have a field for it. */
x4->out_pic.pts = pic_out.i_pts;
@@ -156,7 +158,7 @@
x4->params.p_log_private = avctx;
x4->params.i_keyint_max = avctx->gop_size;
- x4->params.b_intra_refresh = avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH;
+ x4->params.b_intra_refresh = 1; /* avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH; */
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;
@@ -173,7 +175,7 @@
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)))
@@ -186,7 +188,7 @@
x4->params.i_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? X264_B_PYRAMID_NORMAL : X264_B_PYRAMID_NONE;
avctx->has_b_frames = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? 2 : !!avctx->max_b_frames;
- x4->params.i_keyint_min = avctx->keyint_min;
+ x4->params.i_keyint_min = 0; /* avctx->keyint_min; */
if (x4->params.i_keyint_min > x4->params.i_keyint_max)
x4->params.i_keyint_min = x4->params.i_keyint_max;
@@ -293,6 +295,13 @@
if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
x4->params.b_repeat_headers = 0;
+
+ /* zero latency */
+ x4->params.rc.i_lookahead = 0;
+ x4->params.i_sync_lookahead = 0;
+ x4->params.i_bframe = 0;
+ x4->params.b_sliced_threads = 1;
+ x4->params.b_vfr_input = 0;
x4->enc = x264_encoder_open(&x4->params);
if (!x4->enc)
@@ -313,7 +322,7 @@
avctx->extradata = av_malloc(s);
avctx->extradata_size = encode_nals(avctx, avctx->extradata, s, nal, nnal, 1);
}
-
+
return 0;
}
Index: libavcodec/ituh263enc.c
===================================================================
--- libavcodec/ituh263enc.c (révision 23181)
+++ libavcodec/ituh263enc.c (copie de travail)
@@ -162,7 +162,7 @@
put_bits(&s->pb, 3, 7);
put_bits(&s->pb,3,ufep); /* Update Full Extended PTYPE */
- if (format == 7)
+ if (format == 8)
put_bits(&s->pb,3,6); /* Custom Source Format */
else
put_bits(&s->pb, 3, format);
@@ -192,7 +192,7 @@
/* This should be here if PLUSPTYPE */
put_bits(&s->pb, 1, 0); /* Continuous Presence Multipoint mode: off */
- if (format == 7) {
+ if (format == 8) {
/* Custom Picture Format (CPFMT) */
s->aspect_ratio_info= ff_h263_aspect_to_info(s->avctx->sample_aspect_ratio);
|