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[FFmpeg-devel,v4,1/2] avcodec/libx264: Add support for Sony XAVC Class 300 and 480

Message ID 1624356742-11424-1-git-send-email-lance.lmwang@gmail.com
State Accepted
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Series [FFmpeg-devel,v4,1/2] avcodec/libx264: Add support for Sony XAVC Class 300 and 480
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Commit Message

Limin Wang June 22, 2021, 10:12 a.m. UTC
From: Limin Wang <lance.lmwang@gmail.com>

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
---
have tested with x264 version 141, 142, 156, 157, 163, 164.

 libavcodec/libx264.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)
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Patch

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" },