Commit 00332e0a authored by Luca Barbato's avatar Luca Barbato

wrapped_avframe: Initial implementation

parent c3e5c47b
......@@ -472,6 +472,7 @@ OBJS-$(CONFIG_WMV2_ENCODER) += wmv2enc.o wmv2.o \
msmpeg4.o msmpeg4enc.o msmpeg4data.o
OBJS-$(CONFIG_WNV1_DECODER) += wnv1.o
OBJS-$(CONFIG_WS_SND1_DECODER) += ws-snd1.o
OBJS-$(CONFIG_WRAPPED_AVFRAME_ENCODER) += wrapped_avframe.o
OBJS-$(CONFIG_XAN_DPCM_DECODER) += dpcm.o
OBJS-$(CONFIG_XAN_WC3_DECODER) += xan.o
OBJS-$(CONFIG_XAN_WC4_DECODER) += xxan.o
......
......@@ -292,6 +292,7 @@ void avcodec_register_all(void)
REGISTER_DECODER(VP9, vp9);
REGISTER_DECODER(VQA, vqa);
REGISTER_DECODER(WEBP, webp);
REGISTER_ENCODER(WRAPPED_AVFRAME, wrapped_avframe);
REGISTER_ENCDEC (WMV1, wmv1);
REGISTER_ENCDEC (WMV2, wmv2);
REGISTER_DECODER(WMV3, wmv3);
......
......@@ -477,6 +477,7 @@ enum AVCodecID {
AV_CODEC_ID_MPEG4SYSTEMS = 0x20001, /**< _FAKE_ codec to indicate a MPEG-4 Systems
* stream (only used by libavformat) */
AV_CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information.
AV_CODEC_ID_WRAPPED_AVFRAME = 0x21001, ///< Passthrough codec, AVFrames wrapped in AVPacket
};
/**
......
......@@ -1169,6 +1169,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("Screenpresso"),
.props = AV_CODEC_PROP_LOSSLESS,
},
{
.id = AV_CODEC_ID_WRAPPED_AVFRAME,
.type = AVMEDIA_TYPE_VIDEO,
.name = "wrapped_avframe",
.long_name = NULL_IF_CONFIG_SMALL("AVFrame to AVPacket passthrough"),
.props = AV_CODEC_PROP_LOSSLESS,
},
/* image codecs */
{
......
......@@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 3
#define LIBAVCODEC_VERSION_MINOR 4
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
......
/*
* AVFrame wrapper
* Copyright (c) 2015 Luca Barbato
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Simple wrapper to store an AVFrame and forward it as AVPacket.
*/
#include "avcodec.h"
#include "internal.h"
#include "libavutil/internal.h"
#include "libavutil/frame.h"
#include "libavutil/buffer.h"
#include "libavutil/pixdesc.h"
static void wrapped_avframe_release_buffer(void *unused, uint8_t *data)
{
AVFrame *frame = (AVFrame *)data;
av_frame_free(&frame);
}
static int wrapped_avframe_encode(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
AVFrame *wrapped = av_frame_clone(frame);
int ret;
if (!wrapped)
return AVERROR(ENOMEM);
pkt->buf = av_buffer_create((uint8_t *)wrapped, sizeof(*wrapped),
wrapped_avframe_release_buffer, NULL,
AV_BUFFER_FLAG_READONLY);
if (!pkt->buf) {
av_frame_free(&wrapped);
return AVERROR(ENOMEM);
}
pkt->data = (uint8_t *)wrapped;
pkt->size = sizeof(*wrapped);
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
AVCodec ff_wrapped_avframe_encoder = {
.name = "wrapped_avframe",
.long_name = NULL_IF_CONFIG_SMALL("AVFrame to AVPacket passthrough"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_WRAPPED_AVFRAME,
.encode2 = wrapped_avframe_encode,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
};
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