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* [FFmpeg-devel] [PATCH] avformat/avisynth: fix fallbacks for four frameprops
@ 2022-02-27 20:03 Stephen Hutchinson
  2022-03-02 22:47 ` Stephen Hutchinson
  0 siblings, 1 reply; 2+ messages in thread
From: Stephen Hutchinson @ 2022-02-27 20:03 UTC (permalink / raw)
  To: ffmpeg-devel; +Cc: Stephen Hutchinson

If _FieldBased, _Matrix, _ColorRange, or _ChromaLocation haven't
been set, that absence would be interpreted as 0, leading to those
being set to case 0 instead of default. There is no case 0 for
_Primaries and _Transfer, so those were correctly falling back
to the default case.

Signed-off-by: Stephen Hutchinson <qyot27@gmail.com>
---
 libavformat/avisynth.c | 184 ++++++++++++++++++++++-------------------
 1 file changed, 101 insertions(+), 83 deletions(-)

diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
index 318588ff52..8ba2bdead2 100644
--- a/libavformat/avisynth.c
+++ b/libavformat/avisynth.c
@@ -78,6 +78,7 @@ typedef struct AviSynthLibrary {
     AVSC_DECLARE_FUNC(avs_is_planar_rgba);
     AVSC_DECLARE_FUNC(avs_get_frame_props_ro);
     AVSC_DECLARE_FUNC(avs_prop_get_int);
+    AVSC_DECLARE_FUNC(avs_prop_get_type);
     AVSC_DECLARE_FUNC(avs_get_env_property);
 #undef AVSC_DECLARE_FUNC
 } AviSynthLibrary;
@@ -158,6 +159,7 @@ static av_cold int avisynth_load_library(void)
     LOAD_AVS_FUNC(avs_is_planar_rgba, 1);
     LOAD_AVS_FUNC(avs_get_frame_props_ro, 1);
     LOAD_AVS_FUNC(avs_prop_get_int, 1);
+    LOAD_AVS_FUNC(avs_prop_get_type, 1);
     LOAD_AVS_FUNC(avs_get_env_property, 1);
 #undef LOAD_AVS_FUNC
 
@@ -511,30 +513,38 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
         avsmap = avs_library.avs_get_frame_props_ro(avs->env, frame);
 
         /* Field order */
-        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_FieldBased", 0, &error)) {
-        case 0:
-            st->codecpar->field_order = AV_FIELD_PROGRESSIVE;
-            break;
-        case 1:
-            st->codecpar->field_order = AV_FIELD_BB;
-            break;
-        case 2:
-            st->codecpar->field_order = AV_FIELD_TT;
-            break;
-        default:
+        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_FieldBased") == AVS_PROPTYPE_UNSET) {
             st->codecpar->field_order = AV_FIELD_UNKNOWN;
+        } else {
+            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_FieldBased", 0, &error)) {
+            case 0:
+                st->codecpar->field_order = AV_FIELD_PROGRESSIVE;
+                break;
+            case 1:
+                st->codecpar->field_order = AV_FIELD_BB;
+                break;
+            case 2:
+                st->codecpar->field_order = AV_FIELD_TT;
+                break;
+            default:
+                st->codecpar->field_order = AV_FIELD_UNKNOWN;
+            }
         }
 
         /* Color Range */
-        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ColorRange", 0, &error)) {
-        case 0:
-            st->codecpar->color_range = AVCOL_RANGE_JPEG;
-            break;
-        case 1:
-            st->codecpar->color_range = AVCOL_RANGE_MPEG;
-            break;
-        default:
+        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_ColorRange") == AVS_PROPTYPE_UNSET) {
             st->codecpar->color_range = AVCOL_RANGE_UNSPECIFIED;
+        } else {
+            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ColorRange", 0, &error)) {
+            case 0:
+                st->codecpar->color_range = AVCOL_RANGE_JPEG;
+                break;
+            case 1:
+                st->codecpar->color_range = AVCOL_RANGE_MPEG;
+                break;
+            default:
+                st->codecpar->color_range = AVCOL_RANGE_UNSPECIFIED;
+            }
         }
 
         /* Color Primaries */
@@ -637,75 +647,83 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
         }
 
         /* Matrix coefficients */
-        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_Matrix", 0, &error)) {
-        case 0:
-            st->codecpar->color_space = AVCOL_SPC_RGB;
-            break;
-        case 1:
-            st->codecpar->color_space = AVCOL_SPC_BT709;
-            break;
-        case 2:
-            st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
-            break;
-        case 4:
-            st->codecpar->color_space = AVCOL_SPC_FCC;
-            break;
-        case 5:
-            st->codecpar->color_space = AVCOL_SPC_BT470BG;
-            break;
-        case 6:
-            st->codecpar->color_space = AVCOL_SPC_SMPTE170M;
-            break;
-        case 7:
-            st->codecpar->color_space = AVCOL_SPC_SMPTE240M;
-            break;
-        case 8:
-            st->codecpar->color_space = AVCOL_SPC_YCGCO;
-            break;
-        case 9:
-            st->codecpar->color_space = AVCOL_SPC_BT2020_NCL;
-            break;
-        case 10:
-            st->codecpar->color_space = AVCOL_SPC_BT2020_CL;
-            break;
-        case 11:
-            st->codecpar->color_space = AVCOL_SPC_SMPTE2085;
-            break;
-        case 12:
-            st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_NCL;
-            break;
-        case 13:
-            st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_CL;
-            break;
-        case 14:
-            st->codecpar->color_space = AVCOL_SPC_ICTCP;
-            break;
-        default:
+        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_Matrix") == AVS_PROPTYPE_UNSET) {
             st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
+        } else {
+            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_Matrix", 0, &error)) {
+            case 0:
+                st->codecpar->color_space = AVCOL_SPC_RGB;
+                break;
+            case 1:
+                st->codecpar->color_space = AVCOL_SPC_BT709;
+                break;
+            case 2:
+                st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
+                break;
+            case 4:
+                st->codecpar->color_space = AVCOL_SPC_FCC;
+                break;
+            case 5:
+                st->codecpar->color_space = AVCOL_SPC_BT470BG;
+                break;
+            case 6:
+                st->codecpar->color_space = AVCOL_SPC_SMPTE170M;
+                break;
+            case 7:
+                st->codecpar->color_space = AVCOL_SPC_SMPTE240M;
+                break;
+            case 8:
+                st->codecpar->color_space = AVCOL_SPC_YCGCO;
+                break;
+            case 9:
+                st->codecpar->color_space = AVCOL_SPC_BT2020_NCL;
+                break;
+            case 10:
+                st->codecpar->color_space = AVCOL_SPC_BT2020_CL;
+                break;
+            case 11:
+                st->codecpar->color_space = AVCOL_SPC_SMPTE2085;
+                break;
+            case 12:
+                st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_NCL;
+                break;
+            case 13:
+                st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_CL;
+                break;
+            case 14:
+                st->codecpar->color_space = AVCOL_SPC_ICTCP;
+                break;
+            default:
+                st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
+            }
         }
 
         /* Chroma Location */
-        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ChromaLocation", 0, &error)) {
-        case 0:
-            st->codecpar->chroma_location = AVCHROMA_LOC_LEFT;
-            break;
-        case 1:
-            st->codecpar->chroma_location = AVCHROMA_LOC_CENTER;
-            break;
-        case 2:
-            st->codecpar->chroma_location = AVCHROMA_LOC_TOPLEFT;
-            break;
-        case 3:
-            st->codecpar->chroma_location = AVCHROMA_LOC_TOP;
-            break;
-        case 4:
-            st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOMLEFT;
-            break;
-        case 5:
-            st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOM;
-            break;
-        default:
+        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_ChromaLocation") == AVS_PROPTYPE_UNSET) {
             st->codecpar->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
+        } else {
+            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ChromaLocation", 0, &error)) {
+            case 0:
+                st->codecpar->chroma_location = AVCHROMA_LOC_LEFT;
+                break;
+            case 1:
+                st->codecpar->chroma_location = AVCHROMA_LOC_CENTER;
+                break;
+            case 2:
+                st->codecpar->chroma_location = AVCHROMA_LOC_TOPLEFT;
+                break;
+            case 3:
+                st->codecpar->chroma_location = AVCHROMA_LOC_TOP;
+                break;
+            case 4:
+                st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOMLEFT;
+                break;
+            case 5:
+                st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOM;
+                break;
+            default:
+                st->codecpar->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
+            }
         }
     } else {
         st->codecpar->field_order = AV_FIELD_UNKNOWN;
-- 
2.32.0

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^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [FFmpeg-devel] [PATCH] avformat/avisynth: fix fallbacks for four frameprops
  2022-02-27 20:03 [FFmpeg-devel] [PATCH] avformat/avisynth: fix fallbacks for four frameprops Stephen Hutchinson
@ 2022-03-02 22:47 ` Stephen Hutchinson
  0 siblings, 0 replies; 2+ messages in thread
From: Stephen Hutchinson @ 2022-03-02 22:47 UTC (permalink / raw)
  To: FFmpeg development discussions and patches

On 2/27/22 3:03 PM, Stephen Hutchinson wrote:
> If _FieldBased, _Matrix, _ColorRange, or _ChromaLocation haven't
> been set, that absence would be interpreted as 0, leading to those
> being set to case 0 instead of default. There is no case 0 for
> _Primaries and _Transfer, so those were correctly falling back
> to the default case.
> 
> Signed-off-by: Stephen Hutchinson <qyot27@gmail.com>
> ---
>   libavformat/avisynth.c | 184 ++++++++++++++++++++++-------------------
>   1 file changed, 101 insertions(+), 83 deletions(-)
> 
> diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
> index 318588ff52..8ba2bdead2 100644
> --- a/libavformat/avisynth.c
> +++ b/libavformat/avisynth.c
> @@ -78,6 +78,7 @@ typedef struct AviSynthLibrary {
>       AVSC_DECLARE_FUNC(avs_is_planar_rgba);
>       AVSC_DECLARE_FUNC(avs_get_frame_props_ro);
>       AVSC_DECLARE_FUNC(avs_prop_get_int);
> +    AVSC_DECLARE_FUNC(avs_prop_get_type);
>       AVSC_DECLARE_FUNC(avs_get_env_property);
>   #undef AVSC_DECLARE_FUNC
>   } AviSynthLibrary;
> @@ -158,6 +159,7 @@ static av_cold int avisynth_load_library(void)
>       LOAD_AVS_FUNC(avs_is_planar_rgba, 1);
>       LOAD_AVS_FUNC(avs_get_frame_props_ro, 1);
>       LOAD_AVS_FUNC(avs_prop_get_int, 1);
> +    LOAD_AVS_FUNC(avs_prop_get_type, 1);
>       LOAD_AVS_FUNC(avs_get_env_property, 1);
>   #undef LOAD_AVS_FUNC
>   
> @@ -511,30 +513,38 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>           avsmap = avs_library.avs_get_frame_props_ro(avs->env, frame);
>   
>           /* Field order */
> -        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_FieldBased", 0, &error)) {
> -        case 0:
> -            st->codecpar->field_order = AV_FIELD_PROGRESSIVE;
> -            break;
> -        case 1:
> -            st->codecpar->field_order = AV_FIELD_BB;
> -            break;
> -        case 2:
> -            st->codecpar->field_order = AV_FIELD_TT;
> -            break;
> -        default:
> +        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_FieldBased") == AVS_PROPTYPE_UNSET) {
>               st->codecpar->field_order = AV_FIELD_UNKNOWN;
> +        } else {
> +            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_FieldBased", 0, &error)) {
> +            case 0:
> +                st->codecpar->field_order = AV_FIELD_PROGRESSIVE;
> +                break;
> +            case 1:
> +                st->codecpar->field_order = AV_FIELD_BB;
> +                break;
> +            case 2:
> +                st->codecpar->field_order = AV_FIELD_TT;
> +                break;
> +            default:
> +                st->codecpar->field_order = AV_FIELD_UNKNOWN;
> +            }
>           }
>   
>           /* Color Range */
> -        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ColorRange", 0, &error)) {
> -        case 0:
> -            st->codecpar->color_range = AVCOL_RANGE_JPEG;
> -            break;
> -        case 1:
> -            st->codecpar->color_range = AVCOL_RANGE_MPEG;
> -            break;
> -        default:
> +        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_ColorRange") == AVS_PROPTYPE_UNSET) {
>               st->codecpar->color_range = AVCOL_RANGE_UNSPECIFIED;
> +        } else {
> +            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ColorRange", 0, &error)) {
> +            case 0:
> +                st->codecpar->color_range = AVCOL_RANGE_JPEG;
> +                break;
> +            case 1:
> +                st->codecpar->color_range = AVCOL_RANGE_MPEG;
> +                break;
> +            default:
> +                st->codecpar->color_range = AVCOL_RANGE_UNSPECIFIED;
> +            }
>           }
>   
>           /* Color Primaries */
> @@ -637,75 +647,83 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>           }
>   
>           /* Matrix coefficients */
> -        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_Matrix", 0, &error)) {
> -        case 0:
> -            st->codecpar->color_space = AVCOL_SPC_RGB;
> -            break;
> -        case 1:
> -            st->codecpar->color_space = AVCOL_SPC_BT709;
> -            break;
> -        case 2:
> -            st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
> -            break;
> -        case 4:
> -            st->codecpar->color_space = AVCOL_SPC_FCC;
> -            break;
> -        case 5:
> -            st->codecpar->color_space = AVCOL_SPC_BT470BG;
> -            break;
> -        case 6:
> -            st->codecpar->color_space = AVCOL_SPC_SMPTE170M;
> -            break;
> -        case 7:
> -            st->codecpar->color_space = AVCOL_SPC_SMPTE240M;
> -            break;
> -        case 8:
> -            st->codecpar->color_space = AVCOL_SPC_YCGCO;
> -            break;
> -        case 9:
> -            st->codecpar->color_space = AVCOL_SPC_BT2020_NCL;
> -            break;
> -        case 10:
> -            st->codecpar->color_space = AVCOL_SPC_BT2020_CL;
> -            break;
> -        case 11:
> -            st->codecpar->color_space = AVCOL_SPC_SMPTE2085;
> -            break;
> -        case 12:
> -            st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_NCL;
> -            break;
> -        case 13:
> -            st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_CL;
> -            break;
> -        case 14:
> -            st->codecpar->color_space = AVCOL_SPC_ICTCP;
> -            break;
> -        default:
> +        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_Matrix") == AVS_PROPTYPE_UNSET) {
>               st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
> +        } else {
> +            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_Matrix", 0, &error)) {
> +            case 0:
> +                st->codecpar->color_space = AVCOL_SPC_RGB;
> +                break;
> +            case 1:
> +                st->codecpar->color_space = AVCOL_SPC_BT709;
> +                break;
> +            case 2:
> +                st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
> +                break;
> +            case 4:
> +                st->codecpar->color_space = AVCOL_SPC_FCC;
> +                break;
> +            case 5:
> +                st->codecpar->color_space = AVCOL_SPC_BT470BG;
> +                break;
> +            case 6:
> +                st->codecpar->color_space = AVCOL_SPC_SMPTE170M;
> +                break;
> +            case 7:
> +                st->codecpar->color_space = AVCOL_SPC_SMPTE240M;
> +                break;
> +            case 8:
> +                st->codecpar->color_space = AVCOL_SPC_YCGCO;
> +                break;
> +            case 9:
> +                st->codecpar->color_space = AVCOL_SPC_BT2020_NCL;
> +                break;
> +            case 10:
> +                st->codecpar->color_space = AVCOL_SPC_BT2020_CL;
> +                break;
> +            case 11:
> +                st->codecpar->color_space = AVCOL_SPC_SMPTE2085;
> +                break;
> +            case 12:
> +                st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_NCL;
> +                break;
> +            case 13:
> +                st->codecpar->color_space = AVCOL_SPC_CHROMA_DERIVED_CL;
> +                break;
> +            case 14:
> +                st->codecpar->color_space = AVCOL_SPC_ICTCP;
> +                break;
> +            default:
> +                st->codecpar->color_space = AVCOL_SPC_UNSPECIFIED;
> +            }
>           }
>   
>           /* Chroma Location */
> -        switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ChromaLocation", 0, &error)) {
> -        case 0:
> -            st->codecpar->chroma_location = AVCHROMA_LOC_LEFT;
> -            break;
> -        case 1:
> -            st->codecpar->chroma_location = AVCHROMA_LOC_CENTER;
> -            break;
> -        case 2:
> -            st->codecpar->chroma_location = AVCHROMA_LOC_TOPLEFT;
> -            break;
> -        case 3:
> -            st->codecpar->chroma_location = AVCHROMA_LOC_TOP;
> -            break;
> -        case 4:
> -            st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOMLEFT;
> -            break;
> -        case 5:
> -            st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOM;
> -            break;
> -        default:
> +        if(avs_library.avs_prop_get_type(avs->env, avsmap, "_ChromaLocation") == AVS_PROPTYPE_UNSET) {
>               st->codecpar->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
> +        } else {
> +            switch (avs_library.avs_prop_get_int(avs->env, avsmap, "_ChromaLocation", 0, &error)) {
> +            case 0:
> +                st->codecpar->chroma_location = AVCHROMA_LOC_LEFT;
> +                break;
> +            case 1:
> +                st->codecpar->chroma_location = AVCHROMA_LOC_CENTER;
> +                break;
> +            case 2:
> +                st->codecpar->chroma_location = AVCHROMA_LOC_TOPLEFT;
> +                break;
> +            case 3:
> +                st->codecpar->chroma_location = AVCHROMA_LOC_TOP;
> +                break;
> +            case 4:
> +                st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOMLEFT;
> +                break;
> +            case 5:
> +                st->codecpar->chroma_location = AVCHROMA_LOC_BOTTOM;
> +                break;
> +            default:
> +                st->codecpar->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
> +            }
>           }
>       } else {
>           st->codecpar->field_order = AV_FIELD_UNKNOWN;

Pushed.
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^ permalink raw reply	[flat|nested] 2+ messages in thread

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2022-03-02 22:47 ` Stephen Hutchinson

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