@@ -15,6 +15,7 @@ version <next>:
- Argonaut Games ASF muxer
- AV1 Low overhead bitstream format demuxer
- AVS3 bitstream format demuxer
+- AVS3 video decoder via libuavs3d
version 4.3:
@@ -277,6 +277,7 @@ External library support:
--enable-libtls enable LibreSSL (via libtls), needed for https support
if openssl, gnutls or mbedtls is not used [no]
--enable-libtwolame enable MP2 encoding via libtwolame [no]
+ --enable-libuavs3d enable AVS3 decoding via libuavs3d [no]
--enable-libv4l2 enable libv4l2/v4l-utils [no]
--enable-libvidstab enable video stabilization using vid.stab [no]
--enable-libvmaf enable vmaf filter via libvmaf [no]
@@ -1811,6 +1812,7 @@ EXTERNAL_LIBRARY_LIST="
libtesseract
libtheora
libtwolame
+ libuavs3d
libv4l2
libvmaf
libvorbis
@@ -3253,6 +3255,7 @@ libspeex_encoder_select="audio_frame_queue"
libsvtav1_encoder_deps="libsvtav1"
libtheora_encoder_deps="libtheora"
libtwolame_encoder_deps="libtwolame"
+libuavs3d_decoder_deps="libuavs3d"
libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
libvorbis_decoder_deps="libvorbis"
libvorbis_encoder_deps="libvorbis libvorbisenc"
@@ -6416,6 +6419,7 @@ enabled libtls && require_pkg_config libtls libtls tls.h tls_configur
enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
{ check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
+enabled libuavs3d && require_pkg_config libuavs3d "uavs3d >= 1.1.41" uavs3d.h uavs3d_decode
enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 1.5.2" libvmaf.h compute_vmaf
@@ -88,6 +88,27 @@ This decoder allows libavcodec to decode AVS2 streams with davs2 library.
@c man end VIDEO DECODERS
+@section libuavs3d
+
+AVS3-P2/IEEE1857.10 video decoder.
+
+libuavs3d allows libavcodec to decode AVS3 streams.
+Requires the presence of the libuavs3d headers and library during configuration.
+You need to explicitly configure the build with @code{--enable-libuavs3d}.
+
+@subsection Options
+
+The following option is supported by the libuavs3d wrapper.
+
+@table @option
+
+@item frame_threads
+Set amount of frame threads to use during decoding. The default value is 0 (autodetect).
+
+@end table
+
+@c man end VIDEO DECODERS
+
@chapter Audio Decoders
@c man begin AUDIO DECODERS
@@ -125,6 +125,14 @@ Go to @url{https://github.com/pkuvcl/davs2} and follow the instructions for
installing the library. Then pass @code{--enable-libdavs2} to configure to
enable it.
+@section uavs3d
+
+FFmpeg can make use of the uavs3d library for AVS3-P2/IEEE1857.10 video decoding.
+
+Go to @url{https://github.com/uavs3/uavs3d} and follow the instructions for
+installing the library. Then pass @code{--enable-libuavs3d} to configure to
+enable it.
+
@float NOTE
libdavs2 is under the GNU Public License Version 2 or later
(see @url{http://www.gnu.org/licenses/old-licenses/gpl-2.0.html} for
@@ -1034,6 +1034,7 @@ OBJS-$(CONFIG_LIBSPEEX_ENCODER) += libspeexenc.o
OBJS-$(CONFIG_LIBSVTAV1_ENCODER) += libsvtav1.o
OBJS-$(CONFIG_LIBTHEORA_ENCODER) += libtheoraenc.o
OBJS-$(CONFIG_LIBTWOLAME_ENCODER) += libtwolame.o
+OBJS-$(CONFIG_LIBUAVS3D_DECODER) += libuavs3d.o
OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER) += libvo-amrwbenc.o
OBJS-$(CONFIG_LIBVORBIS_DECODER) += libvorbisdec.o
OBJS-$(CONFIG_LIBVORBIS_ENCODER) += libvorbisenc.o \
@@ -732,6 +732,7 @@ extern AVCodec ff_libspeex_decoder;
extern AVCodec ff_libsvtav1_encoder;
extern AVCodec ff_libtheora_encoder;
extern AVCodec ff_libtwolame_encoder;
+extern AVCodec ff_libuavs3d_decoder;
extern AVCodec ff_libvo_amrwbenc_encoder;
extern AVCodec ff_libvorbis_encoder;
extern AVCodec ff_libvorbis_decoder;
new file mode 100644
@@ -0,0 +1,262 @@
+/*
+ * RAW AVS3-P2/IEEE1857.10 video demuxer
+ * Copyright (c) 2020 Zhenyu Wang <wangzhenyu@pkusz.edu.cn>
+ * Bingjie Han <hanbj@pkusz.edu.cn>
+ * Huiwen Ren <hwrenx@gmail.com>
+ *
+ * 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/avutil.h"
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/opt.h"
+#include "avcodec.h"
+#include "avs3.h"
+#include "internal.h"
+#include "uavs3d.h"
+
+typedef struct uavs3d_context {
+ AVCodecContext *avctx;
+ void *dec_handle;
+ int frame_threads;
+ int got_seqhdr;
+ uavs3d_io_frm_t dec_frame;
+} uavs3d_context;
+
+#define UAVS3D_CHECK_START_CODE(data_ptr, PIC_START_CODE) \
+ (AV_RL32(data_ptr) != (PIC_START_CODE << 24) + AVS3_NAL_START_CODE)
+static int uavs3d_find_next_start_code(const unsigned char *bs_data, int bs_len, int *left)
+{
+ const unsigned char *data_ptr = bs_data + 4;
+ int count = bs_len - 4;
+
+ while (count >= 4 &&
+ UAVS3D_CHECK_START_CODE(data_ptr, AVS3_INTER_PIC_START_CODE) &&
+ UAVS3D_CHECK_START_CODE(data_ptr, AVS3_INTRA_PIC_START_CODE) &&
+ UAVS3D_CHECK_START_CODE(data_ptr, AVS3_SEQ_START_CODE) &&
+ UAVS3D_CHECK_START_CODE(data_ptr, AVS3_FIRST_SLICE_START_CODE) &&
+ UAVS3D_CHECK_START_CODE(data_ptr, AVS3_SEQ_END_CODE)) {
+ data_ptr++;
+ count--;
+ }
+
+ if (count >= 4) {
+ *left = count;
+ return 1;
+ }
+
+ return 0;
+}
+
+static void uavs3d_output_callback(uavs3d_io_frm_t *dec_frame) {
+ uavs3d_io_frm_t frm_out;
+ AVFrame *frm = (AVFrame *)dec_frame->priv;
+ int i;
+
+ if (!frm || !frm->data[0]) {
+ dec_frame->got_pic = 0;
+ av_log(NULL, AV_LOG_ERROR, "Invalid AVFrame in uavs3d output.\n");
+ return;
+ }
+
+ frm->pts = dec_frame->pts;
+ frm->pkt_dts = dec_frame->dts;
+ frm->pkt_pos = dec_frame->pkt_pos;
+ frm->pkt_size = dec_frame->pkt_size;
+ frm->coded_picture_number = dec_frame->dtr;
+ frm->display_picture_number = dec_frame->ptr;
+
+ if (dec_frame->type < 0 || dec_frame->type >= 4) {
+ av_log(NULL, AV_LOG_WARNING, "Error frame type in uavs3d: %d.\n", dec_frame->type);
+ }
+
+ frm->pict_type = ff_avs3_image_type[dec_frame->type];
+ frm->key_frame = (frm->pict_type == AV_PICTURE_TYPE_I);
+
+ for (i = 0; i < 3; i++) {
+ frm_out.width [i] = dec_frame->width[i];
+ frm_out.height[i] = dec_frame->height[i];
+ frm_out.stride[i] = frm->linesize[i];
+ frm_out.buffer[i] = frm->data[i];
+ }
+
+ uavs3d_img_cpy_cvt(&frm_out, dec_frame, dec_frame->bit_depth);
+}
+
+static av_cold int libuavs3d_init(AVCodecContext *avctx)
+{
+ uavs3d_context *h = avctx->priv_data;
+ uavs3d_cfg_t cdsc;
+
+ cdsc.frm_threads = avctx->thread_count > 0 ? avctx->thread_count : av_cpu_count();
+ cdsc.check_md5 = 0;
+ h->dec_handle = uavs3d_create(&cdsc, uavs3d_output_callback, NULL);
+ h->got_seqhdr = 0;
+
+ if (!h->dec_handle) {
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
+static av_cold int libuavs3d_end(AVCodecContext *avctx)
+{
+ uavs3d_context *h = avctx->priv_data;
+
+ if (h->dec_handle) {
+ uavs3d_flush(h->dec_handle, NULL);
+ uavs3d_delete(h->dec_handle);
+ h->dec_handle = NULL;
+ }
+ h->got_seqhdr = 0;
+
+ return 0;
+}
+
+static void libuavs3d_flush(AVCodecContext * avctx)
+{
+ uavs3d_context *h = avctx->priv_data;
+
+ if (h->dec_handle) {
+ uavs3d_reset(h->dec_handle);
+ }
+}
+
+#define UAVS3D_CHECK_INVALID_RANGE(v, l, r) ((v)<(l)||(v)>(r))
+static int libuavs3d_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
+{
+ uavs3d_context *h = avctx->priv_data;
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
+ const uint8_t *buf_end;
+ const uint8_t *buf_ptr;
+ AVFrame *frm = data;
+ int left_bytes;
+ int ret, finish = 0;
+
+ *got_frame = 0;
+ frm->pts = -1;
+ frm->pict_type = AV_PICTURE_TYPE_NONE;
+
+ if (!buf_size) {
+ if (h->got_seqhdr) {
+ if (!frm->data[0] && (ret = ff_get_buffer(avctx, frm, 0)) < 0) {
+ return ret;
+ }
+ h->dec_frame.priv = data; // AVFrame
+ }
+ do {
+ ret = uavs3d_flush(h->dec_handle, &h->dec_frame);
+ } while (ret > 0 && !h->dec_frame.got_pic);
+ } else {
+ uavs3d_io_frm_t *frm_dec = &h->dec_frame;
+
+ buf_ptr = buf;
+ buf_end = buf + buf_size;
+ frm_dec->pkt_pos = avpkt->pos;
+ frm_dec->pkt_size = avpkt->size;
+
+ while (!finish) {
+ int bs_len;
+
+ if (h->got_seqhdr) {
+ if (!frm->data[0] && (ret = ff_get_buffer(avctx, frm, 0)) < 0) {
+ return ret;
+ }
+ h->dec_frame.priv = data; // AVFrame
+ }
+
+ if (uavs3d_find_next_start_code(buf_ptr, buf_end - buf_ptr, &left_bytes)) {
+ bs_len = buf_end - buf_ptr - left_bytes;
+ } else {
+ bs_len = buf_end - buf_ptr;
+ finish = 1;
+ }
+ frm_dec->bs = (unsigned char *)buf_ptr;
+ frm_dec->bs_len = bs_len;
+ frm_dec->pts = avpkt->pts;
+ frm_dec->dts = avpkt->dts;
+ uavs3d_decode(h->dec_handle, frm_dec);
+ buf_ptr += bs_len;
+
+ if (frm_dec->nal_type == NAL_SEQ_HEADER) {
+ struct uavs3d_com_seqh_t *seqh = frm_dec->seqhdr;
+ if (UAVS3D_CHECK_INVALID_RANGE(seqh->frame_rate_code, 0, 15)) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid frame rate code: %d.\n", seqh->frame_rate_code);
+ seqh->frame_rate_code = 3; // default 25 fps
+ } else {
+ avctx->framerate.num = ff_avs3_frame_rate_tab[seqh->frame_rate_code].num;
+ avctx->framerate.den = ff_avs3_frame_rate_tab[seqh->frame_rate_code].den;
+ }
+ avctx->has_b_frames = !seqh->low_delay;
+ avctx->pix_fmt = seqh->bit_depth_internal == 8 ? AV_PIX_FMT_YUV420P : AV_PIX_FMT_YUV420P10LE;
+ ff_set_dimensions(avctx, seqh->horizontal_size, seqh->vertical_size);
+ h->got_seqhdr = 1;
+
+ if (seqh->colour_description) {
+ if (UAVS3D_CHECK_INVALID_RANGE(seqh->colour_primaries, 0, 9) ||
+ UAVS3D_CHECK_INVALID_RANGE(seqh->transfer_characteristics, 0, 14) ||
+ UAVS3D_CHECK_INVALID_RANGE(seqh->matrix_coefficients, 0, 11)) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Invalid colour description: primaries: %d"
+ "transfer characteristics: %d"
+ "matrix coefficients: %d.\n",
+ seqh->colour_primaries,
+ seqh->transfer_characteristics,
+ seqh->matrix_coefficients);
+ } else {
+ avctx->color_primaries = ff_avs3_color_primaries_tab[seqh->colour_primaries];
+ avctx->color_trc = ff_avs3_color_transfer_tab [seqh->transfer_characteristics];
+ avctx->colorspace = ff_avs3_color_matrix_tab [seqh->matrix_coefficients];
+ }
+ }
+ }
+ if (frm_dec->got_pic) {
+ break;
+ }
+ }
+ }
+
+ *got_frame = h->dec_frame.got_pic;
+
+ if (!(*got_frame)) {
+ av_frame_unref(frm);
+ }
+
+ return buf_ptr - buf;
+}
+
+AVCodec ff_libuavs3d_decoder = {
+ .name = "libuavs3d",
+ .long_name = NULL_IF_CONFIG_SMALL("libuavs3d AVS3-P2/IEEE1857.10"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_AVS3,
+ .priv_data_size = sizeof(uavs3d_context),
+ .init = libuavs3d_init,
+ .close = libuavs3d_end,
+ .decode = libuavs3d_decode_frame,
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
+ .flush = libuavs3d_flush,
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV420P10LE,
+ AV_PIX_FMT_NONE },
+ .wrapper_name = "libuavs3d",
+};
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 58
-#define LIBAVCODEC_VERSION_MINOR 100
+#define LIBAVCODEC_VERSION_MINOR 101
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \