[FFmpeg-devel] [PATCH v3] lavc: add mpeg2 decoder/hwaccel to mediacodec
Aman Gupta
ffmpeg at tmm1.net
Tue Jun 6 19:39:25 EEST 2017
On Mon, Jun 5, 2017 at 1:22 PM, Aman Gupta <ffmpeg at tmm1.net> wrote:
> From: Aman Gupta <aman at tmm1.net>
>
> Android TV and FireOS hardware supports mpeg2 hardware decoding via
> MediaCodec.
>
I tested this patch on an NVIDIA SHIELD, FireTV gen1 and FireTV Stick gen2
and they all worked as expected.
Let me know if you want me to make any other changes before it can be
merged.
Thanks.
> ---
> configure | 2 ++
> libavcodec/Makefile | 1 +
> libavcodec/allcodecs.c | 2 ++
> libavcodec/mediacodecdec.c | 40 ++++++++++++++++++++++++++++++
> ++++++++-
> libavcodec/mediacodecdec_common.c | 7 +++++++
> 5 files changed, 51 insertions(+), 1 deletion(-)
>
> diff --git a/configure b/configure
> index 72060ef0e9..5816de2398 100755
> --- a/configure
> +++ b/configure
> @@ -2656,6 +2656,7 @@ mpeg2_d3d11va_hwaccel_deps="d3d11va"
> mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
> mpeg2_dxva2_hwaccel_deps="dxva2"
> mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
> +mpeg2_mediacodec_hwaccel_deps="mediacodec"
> mpeg2_mmal_hwaccel_deps="mmal"
> mpeg2_qsv_hwaccel_deps="libmfx"
> mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
> @@ -2762,6 +2763,7 @@ mpeg1_vdpau_decoder_select="mpeg1video_decoder"
> mpeg2_crystalhd_decoder_select="crystalhd"
> mpeg2_cuvid_decoder_deps="cuda cuvid"
> mpeg2_mmal_decoder_deps="mmal"
> +mpeg2_mediacodec_decoder_deps="mediacodec"
> mpeg2_qsv_decoder_deps="libmfx"
> mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
> mpeg2_qsv_encoder_deps="libmfx"
> diff --git a/libavcodec/Makefile b/libavcodec/Makefile
> index 0818950ad9..a752f87ef5 100644
> --- a/libavcodec/Makefile
> +++ b/libavcodec/Makefile
> @@ -423,6 +423,7 @@ OBJS-$(CONFIG_MPEG2_QSV_DECODER) +=
> qsvdec_other.o
> OBJS-$(CONFIG_MPEG2_QSV_ENCODER) += qsvenc_mpeg2.o
> OBJS-$(CONFIG_MPEG2VIDEO_DECODER) += mpeg12dec.o mpeg12.o
> mpeg12data.o
> OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12.o
> +OBJS-$(CONFIG_MPEG2_MEDIACODEC_DECODER) += mediacodecdec.o
> OBJS-$(CONFIG_MPEG2_VAAPI_ENCODER) += vaapi_encode_mpeg2.o
> OBJS-$(CONFIG_MPEG4_DECODER) += xvididct.o
> OBJS-$(CONFIG_MPEG4_MEDIACODEC_DECODER) += mediacodecdec.o
> diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
> index 89fadcd2fa..4373ebd975 100644
> --- a/libavcodec/allcodecs.c
> +++ b/libavcodec/allcodecs.c
> @@ -96,6 +96,7 @@ static void register_all(void)
> REGISTER_HWACCEL(MPEG2_VAAPI, mpeg2_vaapi);
> REGISTER_HWACCEL(MPEG2_VDPAU, mpeg2_vdpau);
> REGISTER_HWACCEL(MPEG2_VIDEOTOOLBOX, mpeg2_videotoolbox);
> + REGISTER_HWACCEL(MPEG2_MEDIACODEC, mpeg2_mediacodec);
> REGISTER_HWACCEL(MPEG4_CUVID, mpeg4_cuvid);
> REGISTER_HWACCEL(MPEG4_MEDIACODEC, mpeg4_mediacodec);
> REGISTER_HWACCEL(MPEG4_MMAL, mpeg4_mmal);
> @@ -257,6 +258,7 @@ static void register_all(void)
> REGISTER_DECODER(MPEG2_MMAL, mpeg2_mmal);
> REGISTER_DECODER(MPEG2_CRYSTALHD, mpeg2_crystalhd);
> REGISTER_DECODER(MPEG2_QSV, mpeg2_qsv);
> + REGISTER_DECODER(MPEG2_MEDIACODEC, mpeg2_mediacodec);
> REGISTER_DECODER(MSA1, msa1);
> REGISTER_DECODER(MSCC, mscc);
> REGISTER_DECODER(MSMPEG4V1, msmpeg4v1);
> diff --git a/libavcodec/mediacodecdec.c b/libavcodec/mediacodecdec.c
> index ccfcb4b9ce..5bdeb6c1d7 100644
> --- a/libavcodec/mediacodecdec.c
> +++ b/libavcodec/mediacodecdec.c
> @@ -1,5 +1,5 @@
> /*
> - * Android MediaCodec H.264 / H.265 / MPEG-4 / VP8 / VP9 decoders
> + * Android MediaCodec MPEG-2 / H.264 / H.265 / MPEG-4 / VP8 / VP9 decoders
> *
> * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com
> >
> *
> @@ -267,6 +267,19 @@ done:
> }
> #endif
>
> +#if CONFIG_MPEG2_MEDIACODEC_DECODER
> +static int mpeg2_set_extradata(AVCodecContext *avctx, FFAMediaFormat
> *format)
> +{
> + int ret = 0;
> +
> + if (avctx->extradata) {
> + ff_AMediaFormat_setBuffer(format, "csd-0", avctx->extradata,
> avctx->extradata_size);
> + }
> +
> + return ret;
> +}
> +#endif
> +
> #if CONFIG_MPEG4_MEDIACODEC_DECODER
> static int mpeg4_set_extradata(AVCodecContext *avctx, FFAMediaFormat
> *format)
> {
> @@ -333,6 +346,15 @@ static av_cold int mediacodec_decode_init(AVCodecContext
> *avctx)
> goto done;
> break;
> #endif
> +#if CONFIG_MPEG2_MEDIACODEC_DECODER
> + case AV_CODEC_ID_MPEG2VIDEO:
> + codec_mime = "video/mpeg2";
> +
> + ret = mpeg2_set_extradata(avctx, format);
> + if (ret < 0)
> + goto done;
> + break;
> +#endif
> #if CONFIG_MPEG4_MEDIACODEC_DECODER
> case AV_CODEC_ID_MPEG4:
> codec_mime = "video/mp4v-es",
> @@ -575,6 +597,22 @@ AVCodec ff_hevc_mediacodec_decoder = {
> };
> #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,
> + .decode = mediacodec_decode_frame,
> + .flush = mediacodec_decode_flush,
> + .close = mediacodec_decode_close,
> + .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING,
> + .caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
> +};
> +#endif
> +
> #if CONFIG_MPEG4_MEDIACODEC_DECODER
> AVCodec ff_mpeg4_mediacodec_decoder = {
> .name = "mpeg4_mediacodec",
> diff --git a/libavcodec/mediacodecdec_common.c b/libavcodec/mediacodecdec_
> common.c
> index 2ec25c581d..1263188d34 100644
> --- a/libavcodec/mediacodecdec_common.c
> +++ b/libavcodec/mediacodecdec_common.c
> @@ -766,6 +766,13 @@ AVHWAccel ff_hevc_mediacodec_hwaccel = {
> .pix_fmt = AV_PIX_FMT_MEDIACODEC,
> };
>
> +AVHWAccel ff_mpeg2_mediacodec_hwaccel = {
> + .name = "mediacodec",
> + .type = AVMEDIA_TYPE_VIDEO,
> + .id = AV_CODEC_ID_MPEG2VIDEO,
> + .pix_fmt = AV_PIX_FMT_MEDIACODEC,
> +};
> +
> AVHWAccel ff_mpeg4_mediacodec_hwaccel = {
> .name = "mediacodec",
> .type = AVMEDIA_TYPE_VIDEO,
> --
> 2.11.0 (Apple Git-81)
>
>
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