[FFmpeg-devel] [PATCH] lavf: remove the libnut library wrapper
Rostislav Pehlivanov
atomnuker at gmail.com
Sun May 28 22:28:30 EEST 2017
libnut is outdated and not developed anymore, all nut developments
happens in this repo, so users are getting mislead
---
Changelog | 1 +
MAINTAINERS | 1 -
configure | 6 -
libavformat/Makefile | 2 -
libavformat/allformats.c | 1 -
libavformat/libnut.c | 324 -----------------------------------------------
6 files changed, 1 insertion(+), 334 deletions(-)
delete mode 100644 libavformat/libnut.c
diff --git a/Changelog b/Changelog
index 475a0a80c9..fad8304701 100644
--- a/Changelog
+++ b/Changelog
@@ -14,6 +14,7 @@ version <next>:
- librsvg support for svg rasterization
- crossfeed audio filter
- spec compliant VP9 muxing support in MP4
+- remove the libnut muxer/demuxer wrappers
version 3.3:
- CrystalHD decoder moved to new decode API
diff --git a/MAINTAINERS b/MAINTAINERS
index dab3ec5859..5e5c6886df 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -416,7 +416,6 @@ Muxers/Demuxers:
iss.c Stefan Gehrer
jvdec.c Peter Ross
libmodplug.c Clément Bœsch
- libnut.c Oded Shimon
libopenmpt.c Josh de Kock
lmlm4.c Ivo van Poorten
lvfdec.c Paul B Mahol
diff --git a/configure b/configure
index f8eb4417d8..70b47fb95b 100755
--- a/configure
+++ b/configure
@@ -234,8 +234,6 @@ External library support:
--enable-libkvazaar enable HEVC encoding via libkvazaar [no]
--enable-libmodplug enable ModPlug via libmodplug [no]
--enable-libmp3lame enable MP3 encoding via libmp3lame [no]
- --enable-libnut enable NUT (de)muxing via libnut,
- native (de)muxer exists [no]
--enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
--enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
--enable-libopencv enable video filtering via libopencv [no]
@@ -1553,7 +1551,6 @@ EXTERNAL_LIBRARY_LIST="
libkvazaar
libmodplug
libmp3lame
- libnut
libopencv
libopenh264
libopenjpeg
@@ -2940,8 +2937,6 @@ image2_alias_pix_demuxer_select="image2_demuxer"
image2_brender_pix_demuxer_select="image2_demuxer"
ipod_muxer_select="mov_muxer"
ismv_muxer_select="mov_muxer"
-libnut_demuxer_deps="libnut"
-libnut_muxer_deps="libnut"
matroska_audio_muxer_select="matroska_muxer"
matroska_demuxer_select="iso_media riffdec"
matroska_demuxer_suggest="bzlib lzo zlib"
@@ -5825,7 +5820,6 @@ enabled libmfx && { use_pkg_config libmfx "mfx/mfxvideo.h" MFXInit ||
{ require libmfx "mfx/mfxvideo.h" MFXInit -llibmfx && warn "using libmfx without pkg-config"; } }
enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
-enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
diff --git a/libavformat/Makefile b/libavformat/Makefile
index bfba0c1cb4..00cba52a43 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -537,8 +537,6 @@ OBJS-$(CONFIG_AVISYNTH_DEMUXER) += avisynth.o
OBJS-$(CONFIG_CHROMAPRINT_MUXER) += chromaprint.o
OBJS-$(CONFIG_LIBGME_DEMUXER) += libgme.o
OBJS-$(CONFIG_LIBMODPLUG_DEMUXER) += libmodplug.o
-OBJS-$(CONFIG_LIBNUT_DEMUXER) += libnut.o
-OBJS-$(CONFIG_LIBNUT_MUXER) += libnut.o
OBJS-$(CONFIG_LIBOPENMPT_DEMUXER) += libopenmpt.o
OBJS-$(CONFIG_LIBRTMP) += librtmp.o
OBJS-$(CONFIG_LIBSSH_PROTOCOL) += libssh.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index b3ffe0f2b6..ad516eba06 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -379,7 +379,6 @@ static void register_all(void)
REGISTER_MUXER (CHROMAPRINT, chromaprint);
REGISTER_DEMUXER (LIBGME, libgme);
REGISTER_DEMUXER (LIBMODPLUG, libmodplug);
- REGISTER_MUXDEMUX(LIBNUT, libnut);
REGISTER_DEMUXER (LIBOPENMPT, libopenmpt);
}
diff --git a/libavformat/libnut.c b/libavformat/libnut.c
deleted file mode 100644
index 26bb35483f..0000000000
--- a/libavformat/libnut.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/*
- * NUT (de)muxing via libnut
- * copyright (c) 2006 Oded Shimon <ods15 at ods15.dyndns.org>
- *
- * 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
- */
-
-/**
- * @file
- * NUT demuxing and muxing via libnut.
- * @author Oded Shimon <ods15 at ods15.dyndns.org>
- */
-
-#include "avformat.h"
-#include "internal.h"
-#include "riff.h"
-#include <libnut.h>
-
-#define ID_STRING "nut/multimedia container"
-#define ID_LENGTH (strlen(ID_STRING) + 1)
-
-typedef struct {
- nut_context_tt * nut;
- nut_stream_header_tt * s;
-} NUTContext;
-
-static const AVCodecTag nut_tags[] = {
- { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
- { AV_CODEC_ID_MP3, MKTAG('m', 'p', '3', ' ') },
- { AV_CODEC_ID_VORBIS, MKTAG('v', 'r', 'b', 's') },
- { 0, 0 },
-};
-
-#if CONFIG_LIBNUT_MUXER
-static int av_write(void * h, size_t len, const uint8_t * buf) {
- AVIOContext * bc = h;
- avio_write(bc, buf, len);
- //avio_flush(bc);
- return len;
-}
-
-static int nut_write_header(AVFormatContext * avf) {
- NUTContext * priv = avf->priv_data;
- AVIOContext * bc = avf->pb;
- nut_muxer_opts_tt mopts = {
- .output = {
- .priv = bc,
- .write = av_write,
- },
- .alloc = { av_malloc, av_realloc, av_free },
- .write_index = 1,
- .realtime_stream = 0,
- .max_distance = 32768,
- .fti = NULL,
- };
- nut_stream_header_tt * s;
- int i;
-
- priv->s = s = av_mallocz_array(avf->nb_streams + 1, sizeof*s);
- if(!s)
- return AVERROR(ENOMEM);
-
- for (i = 0; i < avf->nb_streams; i++) {
- AVCodecParameters *par = avf->streams[i]->codecpar;
- int j;
- int fourcc = 0;
- int num, denom, ssize;
-
- s[i].type = par->codec_type == AVMEDIA_TYPE_VIDEO ? NUT_VIDEO_CLASS : NUT_AUDIO_CLASS;
-
- if (par->codec_tag) fourcc = par->codec_tag;
- else fourcc = ff_codec_get_tag(nut_tags, par->codec_id);
-
- if (!fourcc) {
- if (par->codec_type == AVMEDIA_TYPE_VIDEO) fourcc = ff_codec_get_tag(ff_codec_bmp_tags, par->codec_id);
- if (par->codec_type == AVMEDIA_TYPE_AUDIO) fourcc = ff_codec_get_tag(ff_codec_wav_tags, par->codec_id);
- }
-
- s[i].fourcc_len = 4;
- s[i].fourcc = av_malloc(s[i].fourcc_len);
- for (j = 0; j < s[i].fourcc_len; j++) s[i].fourcc[j] = (fourcc >> (j*8)) & 0xFF;
-
- ff_parse_specific_params(avf->streams[i], &num, &ssize, &denom);
- avpriv_set_pts_info(avf->streams[i], 60, denom, num);
-
- s[i].time_base.num = denom;
- s[i].time_base.den = num;
-
- s[i].fixed_fps = 0;
- s[i].decode_delay = par->video_delay;
- s[i].codec_specific_len = par->extradata_size;
- s[i].codec_specific = par->extradata;
-
- if (par->codec_type == AVMEDIA_TYPE_VIDEO) {
- s[i].width = par->width;
- s[i].height = par->height;
- s[i].sample_width = 0;
- s[i].sample_height = 0;
- s[i].colorspace_type = 0;
- } else {
- s[i].samplerate_num = par->sample_rate;
- s[i].samplerate_denom = 1;
- s[i].channel_count = par->channels;
- }
- }
-
- s[avf->nb_streams].type = -1;
- priv->nut = nut_muxer_init(&mopts, s, NULL);
-
- return 0;
-}
-
-static int nut_write_packet(AVFormatContext * avf, AVPacket * pkt) {
- NUTContext * priv = avf->priv_data;
- nut_packet_tt p;
-
- p.len = pkt->size;
- p.stream = pkt->stream_index;
- p.pts = pkt->pts;
- p.flags = pkt->flags & AV_PKT_FLAG_KEY ? NUT_FLAG_KEY : 0;
- p.next_pts = 0;
-
- nut_write_frame_reorder(priv->nut, &p, pkt->data);
-
- return 0;
-}
-
-static int nut_write_trailer(AVFormatContext * avf) {
- AVIOContext * bc = avf->pb;
- NUTContext * priv = avf->priv_data;
- int i;
-
- nut_muxer_uninit_reorder(priv->nut);
- avio_flush(bc);
-
- for(i = 0; priv->s[i].type != -1; i++ ) av_freep(&priv->s[i].fourcc);
- av_freep(&priv->s);
-
- return 0;
-}
-
-AVOutputFormat ff_libnut_muxer = {
- .name = "libnut",
- .long_name = "nut format",
- .mime_type = "video/x-nut",
- .extensions = "nut",
- .priv_data_size = sizeof(NUTContext),
- .audio_codec = AV_CODEC_ID_VORBIS,
- .video_codec = AV_CODEC_ID_MPEG4,
- .write_header = nut_write_header,
- .write_packet = nut_write_packet,
- .write_trailer = nut_write_trailer,
- .flags = AVFMT_GLOBALHEADER,
-};
-#endif /* CONFIG_LIBNUT_MUXER */
-
-static int nut_probe(AVProbeData *p) {
- if (!memcmp(p->buf, ID_STRING, ID_LENGTH)) return AVPROBE_SCORE_MAX;
-
- return 0;
-}
-
-static size_t av_read(void * h, size_t len, uint8_t * buf) {
- AVIOContext * bc = h;
- return avio_read(bc, buf, len);
-}
-
-static off_t av_seek(void * h, int64_t pos, int whence) {
- AVIOContext * bc = h;
- if (whence == SEEK_END) {
- pos = avio_size(bc) + pos;
- whence = SEEK_SET;
- }
- return avio_seek(bc, pos, whence);
-}
-
-static int nut_read_header(AVFormatContext * avf) {
- NUTContext * priv = avf->priv_data;
- AVIOContext * bc = avf->pb;
- nut_demuxer_opts_tt dopts = {
- .input = {
- .priv = bc,
- .seek = av_seek,
- .read = av_read,
- .eof = NULL,
- .file_pos = 0,
- },
- .alloc = { av_malloc, av_realloc, av_free },
- .read_index = 1,
- .cache_syncpoints = 1,
- };
- nut_context_tt * nut = priv->nut = nut_demuxer_init(&dopts);
- nut_stream_header_tt * s;
- int ret, i;
-
- if(!nut)
- return -1;
-
- if ((ret = nut_read_headers(nut, &s, NULL))) {
- av_log(avf, AV_LOG_ERROR, " NUT error: %s\n", nut_error(ret));
- nut_demuxer_uninit(nut);
- priv->nut = NULL;
- return -1;
- }
-
- priv->s = s;
-
- for (i = 0; s[i].type != -1 && i < 2; i++) {
- AVStream * st = avformat_new_stream(avf, NULL);
- int j;
-
- if (!st)
- return AVERROR(ENOMEM);
-
- for (j = 0; j < s[i].fourcc_len && j < 8; j++) st->codecpar->codec_tag |= s[i].fourcc[j]<<(j*8);
-
- st->codecpar->video_delay = s[i].decode_delay;
-
- st->codecpar->extradata_size = s[i].codec_specific_len;
- if (st->codecpar->extradata_size) {
- if(ff_alloc_extradata(st->codecpar, st->codecpar->extradata_size)){
- nut_demuxer_uninit(nut);
- priv->nut = NULL;
- return AVERROR(ENOMEM);
- }
- memcpy(st->codecpar->extradata, s[i].codec_specific, st->codecpar->extradata_size);
- }
-
- avpriv_set_pts_info(avf->streams[i], 60, s[i].time_base.num, s[i].time_base.den);
- st->start_time = 0;
- st->duration = s[i].max_pts;
-
- st->codecpar->codec_id = ff_codec_get_id(nut_tags, st->codecpar->codec_tag);
-
- switch(s[i].type) {
- case NUT_AUDIO_CLASS:
- st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
- if (st->codecpar->codec_id == AV_CODEC_ID_NONE) st->codecpar->codec_id = ff_codec_get_id(ff_codec_wav_tags, st->codecpar->codec_tag);
-
- st->codecpar->channels = s[i].channel_count;
- st->codecpar->sample_rate = s[i].samplerate_num / s[i].samplerate_denom;
- break;
- case NUT_VIDEO_CLASS:
- st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
- if (st->codecpar->codec_id == AV_CODEC_ID_NONE) st->codecpar->codec_id = ff_codec_get_id(ff_codec_bmp_tags, st->codecpar->codec_tag);
-
- st->codecpar->width = s[i].width;
- st->codecpar->height = s[i].height;
- st->sample_aspect_ratio.num = s[i].sample_width;
- st->sample_aspect_ratio.den = s[i].sample_height;
- break;
- }
- if (st->codecpar->codec_id == AV_CODEC_ID_NONE) av_log(avf, AV_LOG_ERROR, "Unknown codec?!\n");
- }
-
- return 0;
-}
-
-static int nut_read_packet(AVFormatContext * avf, AVPacket * pkt) {
- NUTContext * priv = avf->priv_data;
- nut_packet_tt pd;
- int ret;
-
- ret = nut_read_next_packet(priv->nut, &pd);
-
- if (ret || av_new_packet(pkt, pd.len) < 0) {
- if (ret != NUT_ERR_EOF)
- av_log(avf, AV_LOG_ERROR, " NUT error: %s\n", nut_error(ret));
- return -1;
- }
-
- if (pd.flags & NUT_FLAG_KEY) pkt->flags |= AV_PKT_FLAG_KEY;
- pkt->pts = pd.pts;
- pkt->stream_index = pd.stream;
- pkt->pos = avio_tell(avf->pb);
-
- ret = nut_read_frame(priv->nut, &pd.len, pkt->data);
-
- return ret;
-}
-
-static int nut_read_seek(AVFormatContext * avf, int stream_index, int64_t target_ts, int flags) {
- NUTContext * priv = avf->priv_data;
- int active_streams[] = { stream_index, -1 };
- double time_pos = target_ts * priv->s[stream_index].time_base.num / (double)priv->s[stream_index].time_base.den;
-
- if (nut_seek(priv->nut, time_pos, 2*!(flags & AVSEEK_FLAG_BACKWARD), active_streams)) return -1;
-
- return 0;
-}
-
-static int nut_read_close(AVFormatContext *s) {
- NUTContext * priv = s->priv_data;
-
- nut_demuxer_uninit(priv->nut);
-
- return 0;
-}
-
-AVInputFormat ff_libnut_demuxer = {
- .name = "libnut",
- .long_name = NULL_IF_CONFIG_SMALL("NUT format"),
- .priv_data_size = sizeof(NUTContext),
- .read_probe = nut_probe,
- .read_header = nut_read_header,
- .read_packet = nut_read_packet,
- .read_close = nut_read_close,
- .read_seek = nut_read_seek,
- .extensions = "nut",
-};
--
2.13.0.219.gdb65acc882
More information about the ffmpeg-devel
mailing list