[vlc-commits] [Git][videolan/vlc][3.0.x] mediacodec: set color keys in media format explicitly

Steve Lhomme (@robUx4) gitlab at videolan.org
Thu Dec 5 15:18:30 UTC 2024



Steve Lhomme pushed to branch 3.0.x at VideoLAN / VLC


Commits:
2c2bcc23 by Mangal Kushwah at 2024-12-05T14:44:50+00:00
mediacodec: set color keys in media format explicitly

Fixes issues where by default mediacodec sets wrong keys for video.
See #26948

(cherry picked from commit 55e0779f98b71ab135a4c0c78c2cb91b16a72547)

- - - - -


4 changed files:

- modules/codec/omxil/mediacodec.c
- modules/codec/omxil/mediacodec.h
- modules/codec/omxil/mediacodec_jni.c
- modules/codec/omxil/mediacodec_ndk.c


Changes:

=====================================
modules/codec/omxil/mediacodec.c
=====================================
@@ -497,6 +497,50 @@ static int StartMediaCodec(decoder_t *p_dec)
 
         args.video.p_surface = p_sys->video.p_surface;
         args.video.p_jsurface = p_sys->video.p_jsurface;
+
+        if (p_dec->fmt_out.video.b_color_range_full)
+            args.video.color_range = MC_COLOR_RANGE_FULL;
+        else
+            args.video.color_range = MC_COLOR_RANGE_LIMITED;
+
+        switch (p_dec->fmt_out.video.primaries)
+        {
+            case COLOR_PRIMARIES_BT601_525:
+                args.video.color_standard = MC_COLOR_STANDARD_BT601_NTSC;
+                break;
+            case COLOR_PRIMARIES_BT601_625:
+                args.video.color_standard = MC_COLOR_STANDARD_BT601_PAL;
+                break;
+            case COLOR_PRIMARIES_BT709:
+                args.video.color_standard = MC_COLOR_STANDARD_BT709;
+                break;
+            case COLOR_PRIMARIES_BT2020:
+                args.video.color_standard = MC_COLOR_STANDARD_BT2020;
+                break;
+            default:
+                args.video.color_standard = MC_COLOR_STANDARD_UNSPECIFIED;
+                break;
+        }
+
+        switch (p_dec->fmt_out.video.transfer)
+        {
+            case TRANSFER_FUNC_LINEAR:
+                args.video.color_transfer = MC_COLOR_TRANSFER_LINEAR;
+                break;
+            case TRANSFER_FUNC_SMPTE_ST2084:
+                args.video.color_transfer = MC_COLOR_TRANSFER_ST2084;
+                break;
+            case TRANSFER_FUNC_HLG:
+                args.video.color_transfer = MC_COLOR_TRANSFER_HLG;
+                break;
+            case TRANSFER_FUNC_BT709:
+                args.video.color_transfer = MC_COLOR_TRANSFER_SDR_VIDEO;
+                break;
+            default:
+                args.video.color_transfer = MC_COLOR_TRANSFER_UNSPECIFIED;
+                break;
+        }
+
         args.video.b_tunneled_playback = args.video.p_surface ?
                 var_InheritBool(p_dec, CFG_PREFIX "tunneled-playback") : false;
         if (p_sys->b_adaptive)


=====================================
modules/codec/omxil/mediacodec.h
=====================================
@@ -49,6 +49,33 @@ int MediaCodecNdk_Init(mc_api*);
 #define MC_API_VIDEO_QUIRKS_ADAPTIVE 0x1000
 #define MC_API_VIDEO_QUIRKS_IGNORE_SIZE 0x2000
 
+/* cf. https://github.com/FFmpeg/FFmpeg/blob/00f5a34c9a5f0adee28aca11971918d6aca48745/libavcodec/mediacodec_wrapper.h#L348
+ * cf. https://developer.android.com/reference/android/media/MediaFormat#constants_1*/
+enum mc_media_format_color_range_t
+{
+    MC_COLOR_RANGE_UNSPECIFIED = 0x0,
+    MC_COLOR_RANGE_FULL        = 0x1,
+    MC_COLOR_RANGE_LIMITED     = 0x2,
+};
+
+enum mc_media_format_color_standard_t
+{
+    MC_COLOR_STANDARD_UNSPECIFIED  = 0x0,
+    MC_COLOR_STANDARD_BT709        = 0x1,
+    MC_COLOR_STANDARD_BT601_PAL    = 0x2,
+    MC_COLOR_STANDARD_BT601_NTSC   = 0x4,
+    MC_COLOR_STANDARD_BT2020       = 0x6,
+};
+
+enum mc_media_format_color_transfer_t
+{
+    MC_COLOR_TRANSFER_UNSPECIFIED = 0x0,
+    MC_COLOR_TRANSFER_LINEAR      = 0x1,
+    MC_COLOR_TRANSFER_SDR_VIDEO   = 0x3,
+    MC_COLOR_TRANSFER_ST2084      = 0x6,
+    MC_COLOR_TRANSFER_HLG         = 0x7,
+};
+
 struct mc_api_out
 {
     enum {
@@ -99,6 +126,9 @@ union mc_api_args
         int i_angle;
         bool b_tunneled_playback;
         bool b_adaptive_playback;
+        enum mc_media_format_color_transfer_t color_transfer;
+        enum mc_media_format_color_range_t color_range;
+        enum mc_media_format_color_standard_t color_standard;
     } video;
     struct
     {


=====================================
modules/codec/omxil/mediacodec_jni.c
=====================================
@@ -638,6 +638,10 @@ static int Start(mc_api *api, union mc_api_args *p_args)
         if (p_args->video.i_angle != 0)
             SET_INTEGER(jformat, "rotation-degrees", p_args->video.i_angle);
 
+        SET_INTEGER(jformat, "color-range", p_args->video.color_range);
+        SET_INTEGER(jformat, "color-standard", p_args->video.color_standard);
+        SET_INTEGER(jformat, "color-transfer", p_args->video.color_transfer);
+
         if (b_direct_rendering)
         {
             /* feature-tunneled-playback available since API 21 */


=====================================
modules/codec/omxil/mediacodec_ndk.c
=====================================
@@ -356,6 +356,11 @@ static int Start(mc_api *api, union mc_api_args *p_args)
         syms.AMediaFormat.setInt32(p_sys->p_format, "width", p_args->video.i_width);
         syms.AMediaFormat.setInt32(p_sys->p_format, "height", p_args->video.i_height);
         syms.AMediaFormat.setInt32(p_sys->p_format, "rotation-degrees", p_args->video.i_angle);
+
+        syms.AMediaFormat.setInt32(p_sys->p_format, "color-range", p_args->video.color_range);
+        syms.AMediaFormat.setInt32(p_sys->p_format, "color-standard", p_args->video.color_standard);
+        syms.AMediaFormat.setInt32(p_sys->p_format, "color-transfer", p_args->video.color_transfer);
+
         if (p_args->video.p_surface)
         {
             p_anw = p_args->video.p_surface;



View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/2c2bcc2348a639ca1aff6a68093a6e8cf616e45a

-- 
View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/2c2bcc2348a639ca1aff6a68093a6e8cf616e45a
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