[FFmpeg-devel] [PATCH 3/4] lavc: add h.263 mediacodec decoder
Thomas Volkert
silvo at gmx.net
Sun Jul 24 16:06:16 EEST 2016
From: Thomas Volkert <thomas at netzeal.de>
---
Changelog | 1 +
configure | 1 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/mediacodecdec_h263.c | 90 +++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
6 files changed, 95 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/mediacodecdec_h263.c
diff --git a/Changelog b/Changelog
index b8bbdb9..e35224c 100644
--- a/Changelog
+++ b/Changelog
@@ -8,6 +8,7 @@ version <next>:
- Alias muxer for Ogg Video (.ogv)
- VP8 in Ogg muxing
- MediaCodec MPEG-4 decoding
+- MediaCodec H.263 decoding
version 3.1:
diff --git a/configure b/configure
index 9004b06..18cc5f2 100755
--- a/configure
+++ b/configure
@@ -2548,6 +2548,7 @@ videotoolbox_hwaccel_deps="videotoolbox pthreads"
videotoolbox_hwaccel_extralibs="-framework QuartzCore"
xvmc_deps="X11_extensions_XvMClib_h"
+h263_mediacodec_decoder_deps="mediacodec"
h263_vaapi_hwaccel_deps="vaapi"
h263_vaapi_hwaccel_select="h263_decoder"
h263_videotoolbox_hwaccel_deps="videotoolbox"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 642cf2a..0bc0211 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -309,6 +309,7 @@ OBJS-$(CONFIG_H263_DECODER) += h263dec.o h263.o ituh263dec.o \
intelh263dec.o h263data.o
OBJS-$(CONFIG_H263_ENCODER) += mpeg4videoenc.o mpeg4video.o \
h263.o ituh263enc.o flvenc.o h263data.o
+OBJS-$(CONFIG_H263_MEDIACODEC_DECODER) += mediacodecdec_h263.o
OBJS-$(CONFIG_H264_DECODER) += h264.o h264_cabac.o h264_cavlc.o \
h264_direct.o h264_loopfilter.o \
h264_mb.o h264_picture.o h264_ps.o \
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 2d98694..db2f25d 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -193,6 +193,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (H263, h263);
REGISTER_DECODER(H263I, h263i);
REGISTER_ENCDEC (H263P, h263p);
+ REGISTER_DECODER(H263_MEDIACODEC, h263_mediacodec);
REGISTER_DECODER(H264, h264);
REGISTER_DECODER(H264_CRYSTALHD, h264_crystalhd);
REGISTER_DECODER(H264_MEDIACODEC, h264_mediacodec);
diff --git a/libavcodec/mediacodecdec_h263.c b/libavcodec/mediacodecdec_h263.c
new file mode 100644
index 0000000..5f2c412
--- /dev/null
+++ b/libavcodec/mediacodecdec_h263.c
@@ -0,0 +1,90 @@
+/*
+ * Android MediaCodec H.263 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/3gpp"
+
+static av_cold int mediacodec_decoder_init_h263(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_h263_mediacodec_decoder = {
+ .name = "h263_mediacodec",
+ .long_name = NULL_IF_CONFIG_SMALL("H.263 Android MediaCodec decoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H263,
+ .priv_data_size = sizeof(MediaCodecDecContext),
+ .init = mediacodec_decoder_init_h263,
+ .decode = ff_mediacodec_decoder_decode,
+ .flush = ff_mediacodec_decoder_flush,
+ .close = ff_mediacodec_decoder_close,
+ .capabilities = CODEC_CAP_DELAY,
+ .caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 4ded1ee..a697261 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 51
+#define LIBAVCODEC_VERSION_MINOR 52
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
--
2.7.4
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