lavc: add mpeg4 mediacodec decoder

Changelog

@@ -10,7 +10,7 @@ version <next>:
 - curves filter doesn't automatically insert points at x=0 and x=1 anymore
 - 16-bit support in curves filter and selectivecolor filter
 - OpenH264 decoder wrapper
-- MediaCodec H.264/HEVC/VP8/VP9 hwaccel
+- MediaCodec H.264/HEVC/MPEG-4/VP8/VP9 hwaccel
 - True Audio (TTA) muxer
 - crystalizer audio filter
 - acrusher audio filter
@@ -28,7 +28,7 @@ version <next>:
 - gblur filter
 - avgblur filter
 - sobel and prewitt filter
-- MediaCodec HEVC/VP8/VP9 decoding
+- MediaCodec HEVC/MPEG-4/VP8/VP9 decoding
 - Meridian Lossless Packing (MLP) / TrueHD encoder
 - Non-Local Means (nlmeans) denoising filter
 - sdl2 output device and ffplay support

configure

@@ -2630,6 +2630,8 @@ mpeg2_xvmc_hwaccel_deps="xvmc"
 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
 mpeg4_crystalhd_decoder_select="crystalhd"
 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
+mpeg4_mediacodec_decoder_deps="mediacodec"
+mpeg4_mediacodec_hwaccel_deps="mediacodec"
 mpeg4_mmal_decoder_deps="mmal"
 mpeg4_mmal_decoder_select="mmal"
 mpeg4_mmal_hwaccel_deps="mmal"

libavcodec/Makefile

@@ -413,6 +413,7 @@ 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_MPEG4_DECODER)           += xvididct.o
+OBJS-$(CONFIG_MPEG4_MEDIACODEC_DECODER) += mediacodecdec_h2645.o
 OBJS-$(CONFIG_MPEG4_OMX_ENCODER)       += omx.o
 OBJS-$(CONFIG_MPL2_DECODER)            += mpl2dec.o ass.o
 OBJS-$(CONFIG_MSA1_DECODER)            += mss3.o

libavcodec/allcodecs.c

@@ -103,6 +103,7 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL(MPEG2_VDPAU,       mpeg2_vdpau);
     REGISTER_HWACCEL(MPEG2_VIDEOTOOLBOX, mpeg2_videotoolbox);
     REGISTER_HWACCEL(MPEG4_CUVID,       mpeg4_cuvid);
+    REGISTER_HWACCEL(MPEG4_MEDIACODEC,  mpeg4_mediacodec);
     REGISTER_HWACCEL(MPEG4_MMAL,        mpeg4_mmal);
     REGISTER_HWACCEL(MPEG4_VAAPI,       mpeg4_vaapi);
     REGISTER_HWACCEL(MPEG4_VDPAU,       mpeg4_vdpau);
@@ -657,6 +658,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(MPEG2_CUVID,       mpeg2_cuvid);
     REGISTER_ENCODER(MPEG2_QSV,         mpeg2_qsv);
     REGISTER_DECODER(MPEG4_CUVID,       mpeg4_cuvid);
+    REGISTER_DECODER(MPEG4_MEDIACODEC,  mpeg4_mediacodec);
     REGISTER_DECODER(VC1_CUVID,         vc1_cuvid);
     REGISTER_DECODER(VP8_CUVID,         vp8_cuvid);
     REGISTER_DECODER(VP8_MEDIACODEC,    vp8_mediacodec);

libavcodec/mediacodecdec.c

@@ -767,6 +767,13 @@ AVHWAccel ff_hevc_mediacodec_hwaccel = {
     .pix_fmt = AV_PIX_FMT_MEDIACODEC,
 };
 
+AVHWAccel ff_mpeg4_mediacodec_hwaccel = {
+    .name    = "mediacodec",
+    .type    = AVMEDIA_TYPE_VIDEO,
+    .id      = AV_CODEC_ID_MPEG4,
+    .pix_fmt = AV_PIX_FMT_MEDIACODEC,
+};
+
 AVHWAccel ff_vp8_mediacodec_hwaccel = {
     .name    = "mediacodec",
     .type    = AVMEDIA_TYPE_VIDEO,

libavcodec/mediacodecdec_h2645.c

@@ -1,5 +1,5 @@
 /*
- * Android MediaCodec H.264 / H.265 / VP8 / VP9 decoders
+ * Android MediaCodec H.264 / H.265 / MPEG-4 / VP8 / VP9 decoders
  *
  * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
  *
@@ -266,6 +266,19 @@ done:
 }
 #endif
 
+#if CONFIG_MPEG4_MEDIACODEC_DECODER
+static int mpeg4_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_VP8_MEDIACODEC_DECODER || CONFIG_VP9_MEDIACODEC_DECODER
 static int vpx_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
 {
@@ -319,6 +332,15 @@ static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
             goto done;
         break;
 #endif
+#if CONFIG_MPEG4_MEDIACODEC_DECODER
+    case AV_CODEC_ID_MPEG4:
+        codec_mime = "video/mp4v-es",
+
+        ret = mpeg4_set_extradata(avctx, format);
+        if (ret < 0)
+            goto done;
+        break;
+#endif
 #if CONFIG_VP8_MEDIACODEC_DECODER
     case AV_CODEC_ID_VP8:
         codec_mime = "video/x-vnd.on2.vp8";
@@ -552,6 +574,22 @@ AVCodec ff_hevc_mediacodec_decoder = {
 };
 #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,
+    .decode         = mediacodec_decode_frame,
+    .flush          = mediacodec_decode_flush,
+    .close          = mediacodec_decode_close,
+    .capabilities   = CODEC_CAP_DELAY,
+    .caps_internal  = FF_CODEC_CAP_SETS_PKT_DTS,
+};
+#endif
+
 #if CONFIG_VP8_MEDIACODEC_DECODER
 AVCodec ff_vp8_mediacodec_decoder = {
     .name           = "vp8_mediacodec",

libavcodec/version.h

@@ -28,7 +28,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  62
+#define LIBAVCODEC_VERSION_MINOR  63
 #define LIBAVCODEC_VERSION_MICRO 103
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \