[FFmpeg-devel] [PATCH 4/4] lavc: add vp8 mediacodec decoder
Thomas Volkert
silvo at gmx.net
Sun Jul 24 16:06:17 EEST 2016
From: Thomas Volkert <thomas at netzeal.de>
---
Changelog | 1 +
configure | 1 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/mediacodecdec_vp8.c | 89 ++++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
6 files changed, 94 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/mediacodecdec_vp8.c
diff --git a/Changelog b/Changelog
index e35224c..6eaec1b 100644
--- a/Changelog
+++ b/Changelog
@@ -9,6 +9,7 @@ version <next>:
- VP8 in Ogg muxing
- MediaCodec MPEG-4 decoding
- MediaCodec H.263 decoding
+- MediaCodec VP8 decoding
version 3.1:
diff --git a/configure b/configure
index 18cc5f2..445d975 100755
--- a/configure
+++ b/configure
@@ -2655,6 +2655,7 @@ vc1_vdpau_hwaccel_deps="vdpau"
vc1_vdpau_hwaccel_select="vc1_decoder"
vp8_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
vp9_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"
+vp8_mediacodec_decoder_deps="mediacodec"
vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
vp9_d3d11va_hwaccel_select="vp9_decoder"
vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 0bc0211..466c5a4 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -593,6 +593,7 @@ OBJS-$(CONFIG_VP6_DECODER) += vp6.o vp56.o vp56data.o \
OBJS-$(CONFIG_VP7_DECODER) += vp8.o vp56rac.o
OBJS-$(CONFIG_VP8_DECODER) += vp8.o vp56rac.o
OBJS-$(CONFIG_VP8_CUVID_DECODER) += cuvid.o
+OBJS-$(CONFIG_VP8_MEDIACODEC_DECODER) += mediacodecdec_vp8.o
OBJS-$(CONFIG_VP9_DECODER) += vp9.o vp9dsp.o vp56rac.o vp9dsp_8bpp.o \
vp9dsp_10bpp.o vp9dsp_12bpp.o
OBJS-$(CONFIG_VP9_CUVID_DECODER) += cuvid.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index db2f25d..b750c0e 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -353,6 +353,7 @@ void avcodec_register_all(void)
REGISTER_DECODER(VP6F, vp6f);
REGISTER_DECODER(VP7, vp7);
REGISTER_DECODER(VP8, vp8);
+ REGISTER_DECODER(VP8_MEDIACODEC, vp8_mediacodec);
REGISTER_DECODER(VP9, vp9);
REGISTER_DECODER(VQA, vqa);
REGISTER_DECODER(WEBP, webp);
diff --git a/libavcodec/mediacodecdec_vp8.c b/libavcodec/mediacodecdec_vp8.c
new file mode 100644
index 0000000..6beac70
--- /dev/null
+++ b/libavcodec/mediacodecdec_vp8.c
@@ -0,0 +1,89 @@
+/*
+ * Android MediaCodec VP8 decoder
+ *
+ * Copyright (c) 2016 Thomas Volkert <thomas at netzeal.de>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/avassert.h"
+#include "libavutil/common.h"
+#include "libavutil/fifo.h"
+
+#include "avcodec.h"
+#include "internal.h"
+#include "mediacodecdec.h"
+#include "mediacodec_wrapper.h"
+
+#define CODEC_MIME "video/x-vnd.on2.vp8"
+
+static av_cold int mediacodec_decoder_init_vp8(AVCodecContext *avctx)
+{
+ int ret;
+
+ FFAMediaFormat *format = NULL;
+ MediaCodecDecContext *s = avctx->priv_data;
+
+ format = ff_AMediaFormat_new();
+ if (!format) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to create media format\n");
+ ret = AVERROR_EXTERNAL;
+ goto done;
+ }
+
+ ff_AMediaFormat_setString(format, "mime", CODEC_MIME);
+ ff_AMediaFormat_setInt32(format, "width", avctx->width);
+ ff_AMediaFormat_setInt32(format, "height", avctx->height);
+
+ if ((ret = ff_mediacodec_dec_init(avctx, s, CODEC_MIME, format)) < 0) {
+ goto done;
+ }
+
+ av_log(avctx, AV_LOG_INFO, "MediaCodec started successfully, ret = %d\n", ret);
+
+ s->fifo = av_fifo_alloc(sizeof(AVPacket));
+ if (!s->fifo) {
+ ret = AVERROR(ENOMEM);
+ goto done;
+ }
+
+ av_init_packet(&s->output_pkt);
+
+done:
+ if (format) {
+ ff_AMediaFormat_delete(format);
+ }
+
+ if (ret < 0) {
+ ff_mediacodec_decoder_close(avctx);
+ }
+
+ return ret;
+}
+
+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(MediaCodecDecContext),
+ .init = mediacodec_decoder_init_vp8,
+ .decode = ff_mediacodec_decoder_decode,
+ .flush = ff_mediacodec_decoder_flush,
+ .close = ff_mediacodec_decoder_close,
+ .caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index a697261..cdfc4f9 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 52
+#define LIBAVCODEC_VERSION_MINOR 53
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
--
2.7.4
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