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[FFmpeg-devel,v2] avcodec/dovi - disable metadata compression by default

Message ID 0101018fa38e031b-b9f59614-db2b-42f8-9d91-7892329ea5fa-000000@us-west-2.amazonses.com
State New
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Series [FFmpeg-devel,v2] avcodec/dovi - disable metadata compression by default | expand

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Commit Message

Cosmin Stejerean May 23, 2024, 3:45 a.m. UTC
From: Cosmin Stejerean <cosmin@cosmin.at>

not all clients support metadata compression, output when vdr_dm_metadata_changed fails the DV verifier.
---
 libavcodec/dovi_rpu.h    | 10 ++++++++++
 libavcodec/dovi_rpuenc.c |  8 ++++++--
 libavcodec/libaomenc.c   |  3 +--
 libavcodec/libsvtav1.c   |  3 +--
 libavcodec/libx265.c     |  3 +--
 5 files changed, 19 insertions(+), 8 deletions(-)

Comments

Niklas Haas May 23, 2024, 11:01 a.m. UTC | #1
On Thu, 23 May 2024 03:45:44 +0000 Cosmin Stejerean via ffmpeg-devel <ffmpeg-devel@ffmpeg.org> wrote:
> From: Cosmin Stejerean <cosmin@cosmin.at>
> 
> not all clients support metadata compression, output when vdr_dm_metadata_changed fails the DV verifier.
> ---
>  libavcodec/dovi_rpu.h    | 10 ++++++++++
>  libavcodec/dovi_rpuenc.c |  8 ++++++--
>  libavcodec/libaomenc.c   |  3 +--
>  libavcodec/libsvtav1.c   |  3 +--
>  libavcodec/libx265.c     |  3 +--
>  5 files changed, 19 insertions(+), 8 deletions(-)
> 
> diff --git a/libavcodec/dovi_rpu.h b/libavcodec/dovi_rpu.h
> index 8ce0c88e9d..dee34165c9 100644
> --- a/libavcodec/dovi_rpu.h
> +++ b/libavcodec/dovi_rpu.h
> @@ -28,6 +28,11 @@
>  #include "libavutil/frame.h"
>  #include "avcodec.h"
>  
> +#define DOVI_ENCODING_OPTS \
> +    { "dolbyvision", "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" }, \
> +    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" }, \
> +    { "dv_enable_compression", "Enable Dolby Vision metadata compression", OFFSET(dovi.enable_compression), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, VE },
> +

Nit: I would probably parametrize the base struct location (what you
hard-coded as `dovi`), just to avoid leaking per-encoder implementation
specifics. (Maybe somebody will decide to rename or move this struct
down the line)

Introducing this macro could probably be a separate commit also.

>  #define DOVI_MAX_DM_ID 15
>  typedef struct DOVIContext {
>      void *logctx;
> @@ -71,6 +76,11 @@ typedef struct DOVIContext {
>      AVDOVIDmData *ext_blocks;
>      int num_ext_blocks;
>  
> +    /**
> +     * Enable metadata compression in the output. Currently this is experimental.
> +     */
> +    int enable_compression;
> +
>      /**
>       * Private fields internal to dovi_rpu.c
>       */
> diff --git a/libavcodec/dovi_rpuenc.c b/libavcodec/dovi_rpuenc.c
> index 3c3e0f84c0..26ed25733a 100644
> --- a/libavcodec/dovi_rpuenc.c
> +++ b/libavcodec/dovi_rpuenc.c
> @@ -512,8 +512,12 @@ int ff_dovi_rpu_generate(DOVIContext *s, const AVDOVIMetadata *metadata,
>          }
>      }
>  
> -    vdr_dm_metadata_changed = !s->color || memcmp(s->color, color, sizeof(*color));
> -    use_prev_vdr_rpu = !memcmp(&s->vdr[vdr_rpu_id]->mapping, mapping, sizeof(*mapping));
> +    // the output when vdr_dm_metadata_changed is 0 fails the DV verifier
> +    // force it to 1 until we can get some samples or documentation on correct syntax
> +    vdr_dm_metadata_changed = 1; // !s->color || memcmp(s->color, color, sizeof(*color));
> +
> +    // not all clients support metadata compression
> +    use_prev_vdr_rpu = s->enable_compression && !memcmp(&s->vdr[vdr_rpu_id]->mapping, mapping, sizeof(*mapping));
>  
>      buffer_size = 12 /* vdr seq info */ + 5 /* CRC32 + terminator */;
>      buffer_size += num_ext_blocks_v1 * 13;
> diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c
> index dec74ebecd..3837eaaec2 100644
> --- a/libavcodec/libaomenc.c
> +++ b/libavcodec/libaomenc.c
> @@ -1487,8 +1487,7 @@ static const AVOption options[] = {
>      { "ssim",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, .unit = "tune"},
>      FF_AV1_PROFILE_OPTS
>      { "still-picture", "Encode in single frame mode (typically used for still AVIF images).", OFFSET(still_picture), AV_OPT_TYPE_BOOL, {.i64 = 0}, -1, 1, VE },
> -    { "dolbyvision",     "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" },
> -    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" },
> +    DOVI_ENCODING_OPTS
>      { "enable-rect-partitions", "Enable rectangular partitions", OFFSET(enable_rect_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
>      { "enable-1to4-partitions", "Enable 1:4/4:1 partitions",     OFFSET(enable_1to4_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
>      { "enable-ab-partitions",   "Enable ab shape partitions",    OFFSET(enable_ab_partitions),   AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
> diff --git a/libavcodec/libsvtav1.c b/libavcodec/libsvtav1.c
> index 2fef8c8971..d747c31824 100644
> --- a/libavcodec/libsvtav1.c
> +++ b/libavcodec/libsvtav1.c
> @@ -731,8 +731,7 @@ static const AVOption options[] = {
>        AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 63, VE },
>      { "svtav1-params", "Set the SVT-AV1 configuration using a :-separated list of key=value parameters", OFFSET(svtav1_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
>  
> -    { "dolbyvision", "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" },
> -    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" },
> +    DOVI_ENCODING_OPTS
>  
>      {NULL},
>  };
> diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
> index ac1dbc4f97..30a0b3d205 100644
> --- a/libavcodec/libx265.c
> +++ b/libavcodec/libx265.c
> @@ -951,8 +951,7 @@ static const AVOption options[] = {
>      { "a53cc",       "Use A53 Closed Captions (if available)",                                      OFFSET(a53_cc),    AV_OPT_TYPE_BOOL,   { .i64 = 1 }, 0, 1, VE },
>      { "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_DICT,   { 0 }, 0, 0, VE },
>  #if X265_BUILD >= 167
> -    { "dolbyvision", "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" },
> -    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" },
> +    DOVI_ENCODING_OPTS
>  #endif
>      { NULL }
>  };
> -- 
> 2.42.1
> 
> 
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> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> 
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diff mbox series

Patch

diff --git a/libavcodec/dovi_rpu.h b/libavcodec/dovi_rpu.h
index 8ce0c88e9d..dee34165c9 100644
--- a/libavcodec/dovi_rpu.h
+++ b/libavcodec/dovi_rpu.h
@@ -28,6 +28,11 @@ 
 #include "libavutil/frame.h"
 #include "avcodec.h"
 
+#define DOVI_ENCODING_OPTS \
+    { "dolbyvision", "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" }, \
+    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" }, \
+    { "dv_enable_compression", "Enable Dolby Vision metadata compression", OFFSET(dovi.enable_compression), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, VE },
+
 #define DOVI_MAX_DM_ID 15
 typedef struct DOVIContext {
     void *logctx;
@@ -71,6 +76,11 @@  typedef struct DOVIContext {
     AVDOVIDmData *ext_blocks;
     int num_ext_blocks;
 
+    /**
+     * Enable metadata compression in the output. Currently this is experimental.
+     */
+    int enable_compression;
+
     /**
      * Private fields internal to dovi_rpu.c
      */
diff --git a/libavcodec/dovi_rpuenc.c b/libavcodec/dovi_rpuenc.c
index 3c3e0f84c0..26ed25733a 100644
--- a/libavcodec/dovi_rpuenc.c
+++ b/libavcodec/dovi_rpuenc.c
@@ -512,8 +512,12 @@  int ff_dovi_rpu_generate(DOVIContext *s, const AVDOVIMetadata *metadata,
         }
     }
 
-    vdr_dm_metadata_changed = !s->color || memcmp(s->color, color, sizeof(*color));
-    use_prev_vdr_rpu = !memcmp(&s->vdr[vdr_rpu_id]->mapping, mapping, sizeof(*mapping));
+    // the output when vdr_dm_metadata_changed is 0 fails the DV verifier
+    // force it to 1 until we can get some samples or documentation on correct syntax
+    vdr_dm_metadata_changed = 1; // !s->color || memcmp(s->color, color, sizeof(*color));
+
+    // not all clients support metadata compression
+    use_prev_vdr_rpu = s->enable_compression && !memcmp(&s->vdr[vdr_rpu_id]->mapping, mapping, sizeof(*mapping));
 
     buffer_size = 12 /* vdr seq info */ + 5 /* CRC32 + terminator */;
     buffer_size += num_ext_blocks_v1 * 13;
diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c
index dec74ebecd..3837eaaec2 100644
--- a/libavcodec/libaomenc.c
+++ b/libavcodec/libaomenc.c
@@ -1487,8 +1487,7 @@  static const AVOption options[] = {
     { "ssim",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, .unit = "tune"},
     FF_AV1_PROFILE_OPTS
     { "still-picture", "Encode in single frame mode (typically used for still AVIF images).", OFFSET(still_picture), AV_OPT_TYPE_BOOL, {.i64 = 0}, -1, 1, VE },
-    { "dolbyvision",     "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" },
-    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" },
+    DOVI_ENCODING_OPTS
     { "enable-rect-partitions", "Enable rectangular partitions", OFFSET(enable_rect_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
     { "enable-1to4-partitions", "Enable 1:4/4:1 partitions",     OFFSET(enable_1to4_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
     { "enable-ab-partitions",   "Enable ab shape partitions",    OFFSET(enable_ab_partitions),   AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
diff --git a/libavcodec/libsvtav1.c b/libavcodec/libsvtav1.c
index 2fef8c8971..d747c31824 100644
--- a/libavcodec/libsvtav1.c
+++ b/libavcodec/libsvtav1.c
@@ -731,8 +731,7 @@  static const AVOption options[] = {
       AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 63, VE },
     { "svtav1-params", "Set the SVT-AV1 configuration using a :-separated list of key=value parameters", OFFSET(svtav1_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
 
-    { "dolbyvision", "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" },
-    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" },
+    DOVI_ENCODING_OPTS
 
     {NULL},
 };
diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index ac1dbc4f97..30a0b3d205 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -951,8 +951,7 @@  static const AVOption options[] = {
     { "a53cc",       "Use A53 Closed Captions (if available)",                                      OFFSET(a53_cc),    AV_OPT_TYPE_BOOL,   { .i64 = 1 }, 0, 1, VE },
     { "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_DICT,   { 0 }, 0, 0, VE },
 #if X265_BUILD >= 167
-    { "dolbyvision", "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" },
-    {   "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" },
+    DOVI_ENCODING_OPTS
 #endif
     { NULL }
 };