[FFmpeg-devel] [PATCH] avcodec/videotoolboxenc: add CBP/CHP profile

xufuji456 839789740 at qq.com
Tue May 23 05:27:45 EEST 2023


The Constrained_Baseline and Constrained_High profile of H264 has available in iOS 15.0

Signed-off-by: xufuji456 <839789740 at qq.com>
---
 libavcodec/videotoolboxenc.c | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index b017c90c36..028095cd04 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -108,6 +108,8 @@ static struct{
     CFStringRef kVTProfileLevel_H264_High_AutoLevel;
     CFStringRef kVTProfileLevel_H264_Extended_5_0;
     CFStringRef kVTProfileLevel_H264_Extended_AutoLevel;
+    CFStringRef kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
+    CFStringRef kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
 
     CFStringRef kVTProfileLevel_HEVC_Main_AutoLevel;
     CFStringRef kVTProfileLevel_HEVC_Main10_AutoLevel;
@@ -171,6 +173,8 @@ static void loadVTEncSymbols(void){
     GET_SYM(kVTProfileLevel_H264_High_AutoLevel,     "H264_High_AutoLevel");
     GET_SYM(kVTProfileLevel_H264_Extended_5_0,       "H264_Extended_5_0");
     GET_SYM(kVTProfileLevel_H264_Extended_AutoLevel, "H264_Extended_AutoLevel");
+    GET_SYM(kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel, "H264_ConstrainedBaseline_AutoLevel");
+    GET_SYM(kVTProfileLevel_H264_ConstrainedHigh_AutoLevel,     "H264_ConstrainedHigh_AutoLevel");
 
     GET_SYM(kVTProfileLevel_HEVC_Main_AutoLevel,     "HEVC_Main_AutoLevel");
     GET_SYM(kVTProfileLevel_HEVC_Main10_AutoLevel,   "HEVC_Main10_AutoLevel");
@@ -193,8 +197,10 @@ static void loadVTEncSymbols(void){
 typedef enum VT_H264Profile {
     H264_PROF_AUTO,
     H264_PROF_BASELINE,
+    H264_PROF_CONSTRAINED_BASELINE,
     H264_PROF_MAIN,
     H264_PROF_HIGH,
+    H264_PROF_CONSTRAINED_HIGH,
     H264_PROF_EXTENDED,
     H264_PROF_COUNT
 } VT_H264Profile;
@@ -763,6 +769,10 @@ static bool get_vt_h264_profile_level(AVCodecContext *avctx,
             }
             break;
 
+        case H264_PROF_CONSTRAINED_BASELINE:
+            *profile_level_val =  compat_keys.kVTProfileLevel_H264_ConstrainedBaseline_AutoLevel;
+            break;
+
         case H264_PROF_MAIN:
             switch (vtctx->level) {
                 case  0: *profile_level_val =
@@ -805,6 +815,11 @@ static bool get_vt_h264_profile_level(AVCodecContext *avctx,
                                   compat_keys.kVTProfileLevel_H264_High_5_2;       break;
             }
             break;
+
+        case H264_PROF_CONSTRAINED_HIGH:
+            *profile_level_val =  compat_keys.kVTProfileLevel_H264_ConstrainedHigh_AutoLevel;
+            break;
+
         case H264_PROF_EXTENDED:
             switch (vtctx->level) {
                 case  0: *profile_level_val =
@@ -2757,10 +2772,12 @@ static const enum AVPixelFormat prores_pix_fmts[] = {
 #define OFFSET(x) offsetof(VTEncContext, x)
 static const AVOption h264_options[] = {
     { "profile", "Profile", OFFSET(profile), AV_OPT_TYPE_INT64, { .i64 = H264_PROF_AUTO }, H264_PROF_AUTO, H264_PROF_COUNT, VE, "profile" },
-    { "baseline", "Baseline Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
-    { "main",     "Main Profile",     0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_MAIN     }, INT_MIN, INT_MAX, VE, "profile" },
-    { "high",     "High Profile",     0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_HIGH     }, INT_MIN, INT_MAX, VE, "profile" },
-    { "extended", "Extend Profile",   0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_EXTENDED }, INT_MIN, INT_MAX, VE, "profile" },
+    { "baseline",             "Baseline Profile",             0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_BASELINE             }, INT_MIN, INT_MAX, VE, "profile" },
+    { "constrained_baseline", "Constrained_Baseline Profile", 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_CONSTRAINED_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
+    { "main",                 "Main Profile",                 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_MAIN                 }, INT_MIN, INT_MAX, VE, "profile" },
+    { "high",                 "High Profile",                 0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_HIGH                 }, INT_MIN, INT_MAX, VE, "profile" },
+    { "constrained_high",     "Constrained_High Profile",     0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_CONSTRAINED_HIGH     }, INT_MIN, INT_MAX, VE, "profile" },
+    { "extended",             "Extend Profile",               0, AV_OPT_TYPE_CONST, { .i64 = H264_PROF_EXTENDED             }, INT_MIN, INT_MAX, VE, "profile" },
 
     { "level", "Level", OFFSET(level), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, VE, "level" },
     { "1.3", "Level 1.3, only available with Baseline Profile", 0, AV_OPT_TYPE_CONST, { .i64 = 13 }, INT_MIN, INT_MAX, VE, "level" },
-- 
2.32.0 (Apple Git-132)




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