[FFmpeg-devel] [PATCH v2] libavcodec/dnxhd: added dnxhr profiles

Rostislav Pehlivanov atomnuker at gmail.com
Wed Jul 6 12:31:58 EEST 2016


On 6 July 2016 at 03:46, Mark Reid <mindmark at gmail.com> wrote:

> ---
>  libavcodec/avcodec.h    |  7 +++++++
>  libavcodec/codec_desc.c |  1 +
>  libavcodec/dnxhddec.c   | 20 ++++++++++++++++++++
>  libavcodec/profiles.c   | 10 ++++++++++
>  libavcodec/profiles.h   |  1 +
>  5 files changed, 39 insertions(+)
>
> diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
> index 39713ed..8f84fd0 100644
> --- a/libavcodec/avcodec.h
> +++ b/libavcodec/avcodec.h
> @@ -3165,6 +3165,13 @@ typedef struct AVCodecContext {
>  #define FF_PROFILE_MPEG2_AAC_LOW 128
>  #define FF_PROFILE_MPEG2_AAC_HE  131
>
> +#define FF_PROFILE_DNXHD         0
> +#define FF_PROFILE_DNXHR_LB      1
> +#define FF_PROFILE_DNXHR_SQ      2
> +#define FF_PROFILE_DNXHR_HQ      3
> +#define FF_PROFILE_DNXHR_HQX     4
> +#define FF_PROFILE_DNXHR_444     5
> +
>  #define FF_PROFILE_DTS         20
>  #define FF_PROFILE_DTS_ES      30
>  #define FF_PROFILE_DTS_96_24   40
> diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
> index 9d94b72..e6b8bbc 100644
> --- a/libavcodec/codec_desc.c
> +++ b/libavcodec/codec_desc.c
> @@ -665,6 +665,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
>          .name      = "dnxhd",
>          .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
>          .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
> +        .profiles  = NULL_IF_CONFIG_SMALL(ff_dnxhd_profiles),
>      },
>      {
>          .id        = AV_CODEC_ID_THP,
> diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
> index 1808080..33dfec2 100644
> --- a/libavcodec/dnxhddec.c
> +++ b/libavcodec/dnxhddec.c
> @@ -33,6 +33,7 @@
>  #include "dnxhddata.h"
>  #include "idctdsp.h"
>  #include "internal.h"
> +#include "profiles.h"
>  #include "thread.h"
>
>  typedef struct RowContext {
> @@ -567,6 +568,23 @@ static int dnxhd_decode_row(AVCodecContext *avctx,
> void *data,
>      return 0;
>  }
>
> +static int dnxhd_get_profile(int cid)
> +{
> +    switch(cid) {
> +    case 1270:
> +        return FF_PROFILE_DNXHR_444;
> +    case 1271:
> +        return FF_PROFILE_DNXHR_HQX;
> +    case 1272:
> +        return FF_PROFILE_DNXHR_HQ;
> +    case 1273:
> +        return FF_PROFILE_DNXHR_SQ;
> +    case 1274:
> +        return FF_PROFILE_DNXHR_LB;
> +    }
> +    return FF_PROFILE_DNXHD;
> +}
> +
>  static int dnxhd_decode_frame(AVCodecContext *avctx, void *data,
>                                int *got_frame, AVPacket *avpkt)
>  {
> @@ -600,6 +618,7 @@ decode_coding_unit:
>      }
>
>      avctx->pix_fmt = ctx->pix_fmt;
> +    avctx->profile = dnxhd_get_profile(ctx->cid);
>      ret = ff_set_dimensions(avctx, ctx->width, ctx->height);
>      if (ret < 0)
>          return ret;
> @@ -692,4 +711,5 @@ AVCodec ff_dnxhd_decoder = {
>      .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
>                        AV_CODEC_CAP_SLICE_THREADS,
>      .init_thread_copy =
> ONLY_IF_THREADS_ENABLED(dnxhd_decode_init_thread_copy),
> +    .profiles       = NULL_IF_CONFIG_SMALL(ff_dnxhd_profiles),
>  };
> diff --git a/libavcodec/profiles.c b/libavcodec/profiles.c
> index da745e1..07fb6d6 100644
> --- a/libavcodec/profiles.c
> +++ b/libavcodec/profiles.c
> @@ -46,6 +46,16 @@ const AVProfile ff_dca_profiles[] = {
>      { FF_PROFILE_UNKNOWN },
>  };
>
> +const AVProfile ff_dnxhd_profiles[] = {
> +  { FF_PROFILE_DNXHD,      "DNXHD"},
> +  { FF_PROFILE_DNXHR_LB,   "DNXHR LB"},
> +  { FF_PROFILE_DNXHR_SQ,   "DNXHR SQ"},
> +  { FF_PROFILE_DNXHR_HQ,   "DNXHR HQ" },
> +  { FF_PROFILE_DNXHR_HQX,  "DNXHR HQX"},
> +  { FF_PROFILE_DNXHR_444,  "DNXHR 444"},
> +  { FF_PROFILE_UNKNOWN },
> +};
> +
>  const AVProfile ff_h264_profiles[] = {
>      { FF_PROFILE_H264_BASELINE,             "Baseline"              },
>      { FF_PROFILE_H264_CONSTRAINED_BASELINE, "Constrained Baseline"  },
> diff --git a/libavcodec/profiles.h b/libavcodec/profiles.h
> index c86c683..eb18b40 100644
> --- a/libavcodec/profiles.h
> +++ b/libavcodec/profiles.h
> @@ -23,6 +23,7 @@
>
>  extern const AVProfile ff_aac_profiles[];
>  extern const AVProfile ff_dca_profiles[];
> +extern const AVProfile ff_dnxhd_profiles[];
>  extern const AVProfile ff_h264_profiles[];
>  extern const AVProfile ff_hevc_profiles[];
>  extern const AVProfile ff_jpeg2000_profiles[];
> --
> 2.7.3
>
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>

This looks fine to me.
Have you checked that you can still retrieve the profile from libavformat
for the mov muxer?


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