[FFmpeg-devel] [PATCH 7/7] avcodec/mediacodecdec: factorize codec declarations

Matthieu Bouron matthieu.bouron at gmail.com
Sat Mar 3 15:12:32 EET 2018


On Fri, Mar 02, 2018 at 04:24:24PM -0800, Aman Gupta wrote:
> On Fri, Mar 2, 2018 at 4:13 PM, Matthieu Bouron <matthieu.bouron at gmail.com>
> wrote:
> 
> > ---
> >  libavcodec/mediacodecdec.c | 116 ++++++++++--------------------
> > ---------------
> >  1 file changed, 24 insertions(+), 92 deletions(-)
> >
> > diff --git a/libavcodec/mediacodecdec.c b/libavcodec/mediacodecdec.c
> > index 4579da1fa5..5e9714ee6e 100644
> > --- a/libavcodec/mediacodecdec.c
> > +++ b/libavcodec/mediacodecdec.c
> > @@ -485,112 +485,44 @@ static const AVCodecHWConfigInternal
> > *mediacodec_hw_configs[] = {
> >      NULL
> >  };
> >
> > +#define DECLARE_MEDIACODEC_VDEC(short_name, full_name, codec_id, bsf)
> >                       \
> > +AVCodec ff_##short_name##_mediacodec_decoder = {
> >                        \
> > +    .name           = #short_name "_mediacodec",
> >                      \
> > +    .long_name      = NULL_IF_CONFIG_SMALL(full_name "Android MediaCodec
> > decoder"),            \
> > +    .type           = AVMEDIA_TYPE_VIDEO,
> >                       \
> > +    .id             = codec_id,
> >                       \
> > +    .priv_data_size = sizeof(MediaCodecH264DecContext),
> >                       \
> > +    .init           = mediacodec_decode_init,
> >                       \
> > +    .receive_frame  = mediacodec_receive_frame,
> >                       \
> > +    .flush          = mediacodec_decode_flush,
> >                      \
> > +    .close          = mediacodec_decode_close,
> >                      \
> > +    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING |
> > AV_CODEC_CAP_HARDWARE, \
> > +    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
> >                      \
> > +    .bsfs           = bsf,
> >                      \
> > +    .hw_configs     = mediacodec_hw_configs,
> >                      \
> > +    .wrapper_name   = "mediacodec",
> >                       \
> > +};
> >                      \
> > +
> >  #if CONFIG_H264_MEDIACODEC_DECODER
> > -AVCodec ff_h264_mediacodec_decoder = {
> > -    .name           = "h264_mediacodec",
> > -    .long_name      = NULL_IF_CONFIG_SMALL("H.264 Android MediaCodec
> > decoder"),
> > -    .type           = AVMEDIA_TYPE_VIDEO,
> > -    .id             = AV_CODEC_ID_H264,
> > -    .priv_data_size = sizeof(MediaCodecH264DecContext),
> > -    .init           = mediacodec_decode_init,
> > -    .receive_frame  = mediacodec_receive_frame,
> > -    .flush          = mediacodec_decode_flush,
> > -    .close          = mediacodec_decode_close,
> > -    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING |
> > AV_CODEC_CAP_HARDWARE,
> > -    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
> > -    .bsfs           = "h264_mp4toannexb",
> > -    .hw_configs     = mediacodec_hw_configs,
> > -    .wrapper_name   = "mediacodec",
> > -};
> > +DECLARE_MEDIACODEC_VDEC(h264, "H.264", AV_CODEC_ID_H264,
> > "h264_mp4toannexb")
> >  #endif
> >
> >  #if CONFIG_HEVC_MEDIACODEC_DECODER
> > -AVCodec ff_hevc_mediacodec_decoder = {
> > -    .name           = "hevc_mediacodec",
> > -    .long_name      = NULL_IF_CONFIG_SMALL("H.265 Android MediaCodec
> > decoder"),
> > -    .type           = AVMEDIA_TYPE_VIDEO,
> > -    .id             = AV_CODEC_ID_HEVC,
> > -    .priv_data_size = sizeof(MediaCodecH264DecContext),
> > -    .init           = mediacodec_decode_init,
> > -    .receive_frame  = mediacodec_receive_frame,
> > -    .flush          = mediacodec_decode_flush,
> > -    .close          = mediacodec_decode_close,
> > -    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING |
> > AV_CODEC_CAP_HARDWARE,
> > -    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
> > -    .bsfs           = "hevc_mp4toannexb",
> > -    .hw_configs     = mediacodec_hw_configs,
> > -    .wrapper_name   = "mediacodec",
> > -};
> > +DECLARE_MEDIACODEC_VDEC(hevc, "H.265", AV_CODEC_ID_HEVC,
> > "hevc_mp4toannexb")
> >  #endif
> >
> >  #if CONFIG_MPEG2_MEDIACODEC_DECODER
> > -AVCodec ff_mpeg2_mediacodec_decoder = {
> > -    .name           = "mpeg2_mediacodec",
> > -    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-2 Android MediaCodec
> > decoder"),
> > -    .type           = AVMEDIA_TYPE_VIDEO,
> > -    .id             = AV_CODEC_ID_MPEG2VIDEO,
> > -    .priv_data_size = sizeof(MediaCodecH264DecContext),
> > -    .init           = mediacodec_decode_init,
> > -    .receive_frame  = mediacodec_receive_frame,
> > -    .flush          = mediacodec_decode_flush,
> > -    .close          = mediacodec_decode_close,
> > -    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING |
> > AV_CODEC_CAP_HARDWARE,
> > -    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
> > -    .hw_configs     = mediacodec_hw_configs,
> > -    .wrapper_name   = "mediacodec",
> > -};
> > +DECLARE_MEDIACODEC_VDEC(mpeg2, "MPEG-2", AV_CODEC_ID_MPEG2VIDEO, NULL)
> >  #endif
> >
> >  #if CONFIG_MPEG4_MEDIACODEC_DECODER
> > -AVCodec ff_mpeg4_mediacodec_decoder = {
> > -    .name           = "mpeg4_mediacodec",
> > -    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-4 Android MediaCodec
> > decoder"),
> > -    .type           = AVMEDIA_TYPE_VIDEO,
> > -    .id             = AV_CODEC_ID_MPEG4,
> > -    .priv_data_size = sizeof(MediaCodecH264DecContext),
> > -    .init           = mediacodec_decode_init,
> > -    .receive_frame  = mediacodec_receive_frame,
> > -    .flush          = mediacodec_decode_flush,
> > -    .close          = mediacodec_decode_close,
> > -    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING |
> > AV_CODEC_CAP_HARDWARE,
> > -    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
> > -    .hw_configs     = mediacodec_hw_configs,
> > -    .wrapper_name   = "mediacodec",
> > -};
> > +DECLARE_MEDIACODEC_VDEC(mpeg4, "MPEG-4", AV_CODEC_ID_MPEG4, NULL)
> >  #endif
> >
> >  #if CONFIG_VP8_MEDIACODEC_DECODER
> > -AVCodec ff_vp8_mediacodec_decoder = {
> > -    .name           = "vp8_mediacodec",
> > -    .long_name      = NULL_IF_CONFIG_SMALL("VP8 Android MediaCodec
> > decoder"),
> > -    .type           = AVMEDIA_TYPE_VIDEO,
> > -    .id             = AV_CODEC_ID_VP8,
> > -    .priv_data_size = sizeof(MediaCodecH264DecContext),
> > -    .init           = mediacodec_decode_init,
> > -    .receive_frame  = mediacodec_receive_frame,
> > -    .flush          = mediacodec_decode_flush,
> > -    .close          = mediacodec_decode_close,
> > -    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING |
> > AV_CODEC_CAP_HARDWARE,
> > -    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
> > -    .hw_configs     = mediacodec_hw_configs,
> > -    .wrapper_name   = "mediacodec",
> > -};
> > +DECLARE_MEDIACODEC_VDEC(vp8, "VP8", AV_CODEC_ID_VP8, NULL)
> >  #endif
> >
> >  #if CONFIG_VP9_MEDIACODEC_DECODER
> > -AVCodec ff_vp9_mediacodec_decoder = {
> > -    .name           = "vp9_mediacodec",
> > -    .long_name      = NULL_IF_CONFIG_SMALL("VP9 Android MediaCodec
> > decoder"),
> > -    .type           = AVMEDIA_TYPE_VIDEO,
> > -    .id             = AV_CODEC_ID_VP9,
> > -    .priv_data_size = sizeof(MediaCodecH264DecContext),
> > -    .init           = mediacodec_decode_init,
> > -    .receive_frame  = mediacodec_receive_frame,
> > -    .flush          = mediacodec_decode_flush,
> > -    .close          = mediacodec_decode_close,
> > -    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING |
> > AV_CODEC_CAP_HARDWARE,
> > -    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
> > -    .hw_configs     = mediacodec_hw_configs,
> > -    .wrapper_name   = "mediacodec",
> > -};
> > +DECLARE_MEDIACODEC_VDEC(vp9, "VP9", AV_CODEC_ID_VP9, NULL)
> >  #endif
> >
> 
> Patchset LGTM. Nice cleanups, and works as expected on my device.

I will push the patchset in a few hours (with the space between full_name
and "Android" added).

Thanks,

[...]

-- 
Matthieu B.


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