[FFmpeg-devel] [PATCH] avcodec/libx265.c - Add named option to set profile

[Gyan Doshi]

Attached patch allows users to set x265 encoding profile.
Addresses ticket #6894.


Regards,
Gyan
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From e45cd99804dab980d3441c0450b22c5b69b18474 Mon Sep 17 00:00:00 2001
From: Gyan Doshi <gyandoshi at gmail.com>
Date: Tue, 5 Dec 2017 13:17:53 +0530
Subject: [PATCH] avcodec/libx265.c - Add named option to set profile

Adds call to x265_param_apply_profile after x265_param_parse.
Added as private option since HEVC profiles other than
Main, Main 10 and MSP in AVCodecContext are consolidated in a single
constant.
---
 libavcodec/libx265.c | 10 ++++++++++
 libavcodec/version.h |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index 4456e300f2..2e144e1618 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -45,6 +45,7 @@ typedef struct libx265Context {
     int   forced_idr;
     char *preset;
     char *tune;
+    char *profile;
     char *x265_opts;
 } libx265Context;
 
@@ -220,6 +221,14 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
         }
     }
 
+    if (ctx->profile) {
+        if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) {
+            av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set : %s.\n", ctx->profile);
+            av_log(avctx, AV_LOG_INFO, "Profile must match bit depth and chroma sampling of output stream.\n");
+            return AVERROR(EINVAL);
+        }
+    }
+
     ctx->encoder = ctx->api->encoder_open(ctx->params);
     if (!ctx->encoder) {
         av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n");
@@ -392,6 +401,7 @@ static const AVOption options[] = {
     { "forced-idr",  "if forcing keyframes, force them as IDR frames",                              OFFSET(forced_idr),AV_OPT_TYPE_BOOL,   { .i64 =  0 },  0,       1, VE },
     { "preset",      "set the x265 preset",                                                         OFFSET(preset),    AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
     { "tune",        "set the x265 tune parameter",                                                 OFFSET(tune),      AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
+    { "x265-profile","set the x265 profile",                                                        OFFSET(profile),   AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
     { "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
     { NULL }
 };
diff --git a/libavcodec/version.h b/libavcodec/version.h
index d67b689142..3b5c3000be 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  58
 #define LIBAVCODEC_VERSION_MINOR   6
-#define LIBAVCODEC_VERSION_MICRO 102
+#define LIBAVCODEC_VERSION_MICRO 103
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
-- 
2.11.1.windows.1