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https://gitee.com/openharmony/third_party_ffmpeg
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move ingenient demuxer to its own file
Originally committed as revision 24973 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs
parent
6d0678d182
commit
b47a5a954a
@ -97,7 +97,7 @@ OBJS-$(CONFIG_IMAGE2_DEMUXER) += img2.o
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OBJS-$(CONFIG_IMAGE2_MUXER) += img2.o
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OBJS-$(CONFIG_IMAGE2PIPE_DEMUXER) += img2.o
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OBJS-$(CONFIG_IMAGE2PIPE_MUXER) += img2.o
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OBJS-$(CONFIG_INGENIENT_DEMUXER) += raw.o
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OBJS-$(CONFIG_INGENIENT_DEMUXER) += ingenientdec.o raw.o
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OBJS-$(CONFIG_IPMOVIE_DEMUXER) += ipmovie.o
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OBJS-$(CONFIG_ISS_DEMUXER) += iss.o
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OBJS-$(CONFIG_IV8_DEMUXER) += iv8.o
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71
libavformat/ingenientdec.c
Normal file
71
libavformat/ingenientdec.c
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@ -0,0 +1,71 @@
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/*
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* RAW Ingenient MJPEG demuxer
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* Copyright (c) 2005 Alex Beregszaszi
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "avformat.h"
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#include "raw.h"
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// http://www.artificis.hu/files/texts/ingenient.txt
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static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
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{
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int ret, size, w, h, unk1, unk2;
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if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
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return AVERROR(EIO); // FIXME
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size = get_le32(s->pb);
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w = get_le16(s->pb);
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h = get_le16(s->pb);
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url_fskip(s->pb, 8); // zero + size (padded?)
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url_fskip(s->pb, 2);
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unk1 = get_le16(s->pb);
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unk2 = get_le16(s->pb);
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url_fskip(s->pb, 22); // ASCII timestamp
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av_log(s, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
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size, w, h, unk1, unk2);
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if (av_new_packet(pkt, size) < 0)
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return AVERROR(ENOMEM);
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pkt->pos = url_ftell(s->pb);
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pkt->stream_index = 0;
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ret = get_buffer(s->pb, pkt->data, size);
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if (ret < 0) {
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av_free_packet(pkt);
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return ret;
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}
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pkt->size = ret;
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return ret;
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}
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AVInputFormat ingenient_demuxer = {
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"ingenient",
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NULL_IF_CONFIG_SMALL("raw Ingenient MJPEG"),
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0,
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NULL,
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ff_raw_video_read_header,
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ingenient_read_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.extensions = "cgi", // FIXME
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.value = CODEC_ID_MJPEG,
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};
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@ -162,44 +162,6 @@ static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
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}
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#endif
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#if CONFIG_INGENIENT_DEMUXER
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// http://www.artificis.hu/files/texts/ingenient.txt
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static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
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{
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int ret, size, w, h, unk1, unk2;
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if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
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return AVERROR(EIO); // FIXME
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size = get_le32(s->pb);
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w = get_le16(s->pb);
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h = get_le16(s->pb);
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url_fskip(s->pb, 8); // zero + size (padded?)
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url_fskip(s->pb, 2);
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unk1 = get_le16(s->pb);
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unk2 = get_le16(s->pb);
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url_fskip(s->pb, 22); // ASCII timestamp
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av_log(s, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
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size, w, h, unk1, unk2);
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if (av_new_packet(pkt, size) < 0)
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return AVERROR(ENOMEM);
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pkt->pos = url_ftell(s->pb);
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pkt->stream_index = 0;
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ret = get_buffer(s->pb, pkt->data, size);
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if (ret < 0) {
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av_free_packet(pkt);
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return ret;
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}
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pkt->size = ret;
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return ret;
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}
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#endif
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#if CONFIG_DEMUXERS
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int pcm_read_seek(AVFormatContext *s,
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int stream_index, int64_t timestamp, int flags)
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@ -248,7 +210,7 @@ int ff_raw_audio_read_header(AVFormatContext *s,
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}
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/* MPEG-1/H.263 input */
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static int video_read_header(AVFormatContext *s,
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int ff_raw_video_read_header(AVFormatContext *s,
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AVFormatParameters *ap)
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{
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AVStream *st;
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@ -642,7 +604,7 @@ AVInputFormat dirac_demuxer = {
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NULL_IF_CONFIG_SMALL("raw Dirac"),
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0,
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dirac_probe,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.value = CODEC_ID_DIRAC,
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@ -670,7 +632,7 @@ AVInputFormat dnxhd_demuxer = {
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NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
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0,
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dnxhd_probe,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.value = CODEC_ID_DNXHD,
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@ -756,7 +718,7 @@ AVInputFormat h261_demuxer = {
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NULL_IF_CONFIG_SMALL("raw H.261"),
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0,
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h261_probe,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.extensions = "h261",
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@ -785,7 +747,7 @@ AVInputFormat h263_demuxer = {
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NULL_IF_CONFIG_SMALL("raw H.263"),
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0,
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h263_probe,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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// .extensions = "h263", //FIXME remove after writing mpeg4_probe
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@ -814,7 +776,7 @@ AVInputFormat h264_demuxer = {
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NULL_IF_CONFIG_SMALL("raw H.264 video format"),
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0,
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h264_probe,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
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@ -852,27 +814,13 @@ AVOutputFormat cavsvideo_muxer = {
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};
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#endif
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#if CONFIG_INGENIENT_DEMUXER
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AVInputFormat ingenient_demuxer = {
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"ingenient",
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NULL_IF_CONFIG_SMALL("raw Ingenient MJPEG"),
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0,
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NULL,
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video_read_header,
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ingenient_read_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.extensions = "cgi", // FIXME
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.value = CODEC_ID_MJPEG,
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};
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#endif
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#if CONFIG_M4V_DEMUXER
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AVInputFormat m4v_demuxer = {
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"m4v",
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NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
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0,
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mpeg4video_probe, /** probing for MPEG-4 data */
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.extensions = "m4v",
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@ -901,7 +849,7 @@ AVInputFormat mjpeg_demuxer = {
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NULL_IF_CONFIG_SMALL("raw MJPEG video"),
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0,
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NULL,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.extensions = "mjpg,mjpeg",
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@ -1030,7 +978,7 @@ AVInputFormat mpegvideo_demuxer = {
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NULL_IF_CONFIG_SMALL("raw MPEG video"),
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0,
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mpegvideo_probe,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.value = CODEC_ID_MPEG1VIDEO,
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@ -1043,7 +991,7 @@ AVInputFormat cavsvideo_demuxer = {
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NULL_IF_CONFIG_SMALL("raw Chinese AVS video"),
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0,
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cavsvideo_probe,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.flags= AVFMT_GENERIC_INDEX,
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.value = CODEC_ID_CAVS,
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@ -1114,7 +1062,7 @@ AVInputFormat vc1_demuxer = {
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NULL_IF_CONFIG_SMALL("raw VC-1"),
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0,
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NULL /* vc1_probe */,
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video_read_header,
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ff_raw_video_read_header,
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ff_raw_read_partial_packet,
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.extensions = "vc1",
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.value = CODEC_ID_VC1,
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@ -33,4 +33,6 @@ int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt);
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int ff_raw_audio_read_header(AVFormatContext *s, AVFormatParameters *ap);
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int ff_raw_video_read_header(AVFormatContext *s, AVFormatParameters *ap);
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#endif /* AVFORMAT_RAW_H */
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