[FFmpeg-devel] [PATCH v4 1/2] avcodec/libx264: Add support for Sony XAVC Class 300 and 480
lance.lmwang at gmail.com
lance.lmwang at gmail.com
Tue Jun 22 13:12:22 EEST 2021
From: Limin Wang <lance.lmwang at gmail.com>
Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
have tested with x264 version 141, 142, 156, 157, 163, 164.
libavcodec/libx264.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 36fdb56..977b78a 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -749,6 +749,19 @@ static av_cold int X264_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR,
"x264 too old for AVC Intra, at least version 142 needed\n");
#endif
+
+ if (x4->avcintra_class > 200) {
+#if X264_BUILD < 164
+ av_log(avctx, AV_LOG_ERROR,
+ "x264 too old for AVC Intra 300/480, at least version 164 needed\n");
+ return AVERROR(EINVAL);
+#endif
+#if X264_BUILD >= 157
+ /* AVC-Intra 300/480 only supported by Sony XAVC flavor */
+ x4->params.i_avcintra_flavor = X264_AVCINTRA_FLAVOR_SONY;
+#endif
+ }
+
if (x4->b_bias != INT_MIN)
x4->params.i_bframe_bias = x4->b_bias;
if (x4->b_pyramid >= 0)
@@ -1082,7 +1095,7 @@ static const AVOption options[] = {
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
{ "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
{ "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
- { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
+ { "avcintra-class","AVC-Intra class 50/100/200/300/480", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 480 , VE},
{ "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
{ "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
{ "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
--
1.8.3.1
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