[FFmpeg-devel,3/4] lavc: add mpeg4 mediacodec decoder

diff --git a/configure b/configure
index 9587184..da4d4c4 100755
--- a/configure
+++ b/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"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 734c79d..e8b1b00 100644
--- a/libavcodec/Makefile
+++ b/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
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 44f7205..b592aa3 100644
--- a/libavcodec/allcodecs.c
+++ b/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);
diff --git a/libavcodec/mediacodecdec.c b/libavcodec/mediacodecdec.c
index e5a8dbc..c031de8 100644
--- a/libavcodec/mediacodecdec.c
+++ b/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,
diff --git a/libavcodec/mediacodecdec_h2645.c b/libavcodec/mediacodecdec_h2645.c
index c5f5af2..3cc2492 100644
--- a/libavcodec/mediacodecdec_h2645.c
+++ b/libavcodec/mediacodecdec_h2645.c
@@ -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("MPEG4 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",
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 00c3d58..1ffef59 100644
--- a/libavcodec/version.h
+++ b/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 102
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \