[FFmpeg-cvslog] r24355 - in trunk: Changelog doc/general.texi libavformat/Makefile libavformat/allformats.c libavformat/avformat.h libavformat/rso.c libavformat/rso.h libavformat/rsodec.c libavformat/rsoenc.c test...
cehoyos
subversion
Tue Jul 20 16:13:25 CEST 2010
Author: cehoyos
Date: Tue Jul 20 16:13:24 2010
New Revision: 24355
Log:
Lego Mindstorms RSO muxer and demuxer.
Patch by Rafa?l Carr?, rafael d carre a gmail
Added:
trunk/libavformat/rso.c
trunk/libavformat/rso.h
trunk/libavformat/rsodec.c
trunk/libavformat/rsoenc.c
Modified:
trunk/Changelog
trunk/doc/general.texi
trunk/libavformat/Makefile
trunk/libavformat/allformats.c
trunk/libavformat/avformat.h
trunk/tests/lavf-regression.sh
Modified: trunk/Changelog
==============================================================================
--- trunk/Changelog Tue Jul 20 15:08:10 2010 (r24354)
+++ trunk/Changelog Tue Jul 20 16:13:24 2010 (r24355)
@@ -22,6 +22,7 @@ version <next>:
- native GSM / GSM MS decoder
- RTP depacketization of QDM2
- ANSI/ASCII art playback system
+- Lego Mindstorms RSO de/muxer
Modified: trunk/doc/general.texi
==============================================================================
--- trunk/doc/general.texi Tue Jul 20 15:08:10 2010 (r24354)
+++ trunk/doc/general.texi Tue Jul 20 16:13:24 2010 (r24355)
@@ -209,6 +209,7 @@ library:
@item RL2 @tab @tab X
@tab Audio and video format used in some games by Entertainment Software Partners.
@item RPL/ARMovie @tab @tab X
+ at item Lego Mindstorms RSO @tab X @tab X
@item RTMP @tab X @tab X
@tab Output is performed by publishing stream to RTMP server
@item RTP @tab @tab X
Modified: trunk/libavformat/Makefile
==============================================================================
--- trunk/libavformat/Makefile Tue Jul 20 15:08:10 2010 (r24354)
+++ trunk/libavformat/Makefile Tue Jul 20 16:13:24 2010 (r24355)
@@ -209,6 +209,8 @@ OBJS-$(CONFIG_RM_DEMUXER)
OBJS-$(CONFIG_RM_MUXER) += rmenc.o rm.o
OBJS-$(CONFIG_ROQ_DEMUXER) += idroq.o
OBJS-$(CONFIG_ROQ_MUXER) += raw.o
+OBJS-$(CONFIG_RSO_DEMUXER) += rsodec.o rso.o raw.o
+OBJS-$(CONFIG_RSO_MUXER) += rsoenc.o rso.o
OBJS-$(CONFIG_RPL_DEMUXER) += rpl.o
OBJS-$(CONFIG_RTP_MUXER) += rtp.o \
rtpenc_aac.o \
Modified: trunk/libavformat/allformats.c
==============================================================================
--- trunk/libavformat/allformats.c Tue Jul 20 15:08:10 2010 (r24354)
+++ trunk/libavformat/allformats.c Tue Jul 20 16:13:24 2010 (r24355)
@@ -174,6 +174,7 @@ void av_register_all(void)
REGISTER_MUXDEMUX (RM, rm);
REGISTER_MUXDEMUX (ROQ, roq);
REGISTER_DEMUXER (RPL, rpl);
+ REGISTER_MUXDEMUX (RSO, rso);
REGISTER_MUXER (RTP, rtp);
REGISTER_MUXDEMUX (RTSP, rtsp);
REGISTER_DEMUXER (SDP, sdp);
Modified: trunk/libavformat/avformat.h
==============================================================================
--- trunk/libavformat/avformat.h Tue Jul 20 15:08:10 2010 (r24354)
+++ trunk/libavformat/avformat.h Tue Jul 20 16:13:24 2010 (r24355)
@@ -22,7 +22,7 @@
#define AVFORMAT_AVFORMAT_H
#define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 75
+#define LIBAVFORMAT_VERSION_MINOR 76
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
Added: trunk/libavformat/rso.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/libavformat/rso.c Tue Jul 20 16:13:24 2010 (r24355)
@@ -0,0 +1,30 @@
+/*
+ * RSO format common data
+ * Copyright (c) 2010 Rafael Carre
+ *
+ * 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 "avformat.h"
+#include "internal.h"
+#include "rso.h"
+
+const AVCodecTag ff_codec_rso_tags[] = {
+ { CODEC_ID_PCM_U8, 0x0100 },
+ { CODEC_ID_ADPCM_IMA_WAV, 0x0101 },
+ { CODEC_ID_NONE, 0 },
+};
Added: trunk/libavformat/rso.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/libavformat/rso.h Tue Jul 20 16:13:24 2010 (r24355)
@@ -0,0 +1,32 @@
+/*
+ * RSO format common data
+ * Copyright (c) 2010 Rafael Carre
+ *
+ * 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
+ */
+
+#ifndef AVFORMAT_RSO_H
+#define AVFORMAT_RSO_H
+
+#include "internal.h"
+
+#define RSO_HEADER_SIZE 8
+
+/* The ffmpeg codecs we support, and the IDs they have in the file */
+extern const AVCodecTag ff_codec_rso_tags[];
+
+#endif /* AVFORMAT_RSO_H */
Added: trunk/libavformat/rsodec.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/libavformat/rsodec.c Tue Jul 20 16:13:24 2010 (r24355)
@@ -0,0 +1,102 @@
+/*
+ * RSO demuxer
+ * Copyright (c) 2001 Fabrice Bellard (original AU code)
+ * Copyright (c) 2010 Rafael Carre
+ *
+ * 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/intreadwrite.h"
+#include "avformat.h"
+#include "internal.h"
+#include "raw.h"
+#include "riff.h"
+#include "rso.h"
+
+static int rso_read_header(AVFormatContext *s, AVFormatParameters *ap)
+{
+ ByteIOContext *pb = s->pb;
+ int id, rate, bps;
+ unsigned int size;
+ enum CodecID codec;
+ AVStream *st;
+
+ id = get_be16(pb);
+ size = get_be16(pb);
+ rate = get_be16(pb);
+ get_be16(pb); /* play mode ? (0x0000 = don't loop) */
+
+ codec = ff_codec_get_id(ff_codec_rso_tags, id);
+
+ if (codec == CODEC_ID_ADPCM_IMA_WAV) {
+ av_log(s, AV_LOG_ERROR, "ADPCM in RSO not implemented\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ bps = av_get_bits_per_sample(codec);
+ if (!bps) {
+ av_log_ask_for_sample(s, "could not determine bits per sample\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ /* now we are ready: build format streams */
+ st = av_new_stream(s, 0);
+ if (!st)
+ return AVERROR(ENOMEM);
+
+ st->duration = (size * 8) / bps;
+ st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_tag = id;
+ st->codec->codec_id = codec;
+ st->codec->channels = 1;
+ st->codec->sample_rate = rate;
+
+ av_set_pts_info(st, 64, 1, rate);
+
+ return 0;
+}
+
+#define BLOCK_SIZE 1024 /* in samples */
+
+static int rso_read_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ int bps = av_get_bits_per_sample(s->streams[0]->codec->codec_id);
+ int ret = av_get_packet(s->pb, pkt, BLOCK_SIZE * bps >> 3);
+
+ if (ret < 0)
+ return ret;
+
+ pkt->stream_index = 0;
+
+ /* note: we need to modify the packet size here to handle the last packet */
+ pkt->size = ret;
+
+ return 0;
+}
+
+AVInputFormat rso_demuxer = {
+ .name = "rso",
+ .long_name = NULL_IF_CONFIG_SMALL("Lego Mindstorms RSO format"),
+ .extensions = "rso",
+ .priv_data_size = 0,
+ .read_probe = NULL, /* no magic value in this format */
+ .read_header = rso_read_header,
+ .read_packet = rso_read_packet,
+ .read_close = NULL,
+ .read_seek = pcm_read_seek,
+ .codec_tag = (const AVCodecTag* const []){ff_codec_rso_tags, 0},
+};
Added: trunk/libavformat/rsoenc.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/libavformat/rsoenc.c Tue Jul 20 16:13:24 2010 (r24355)
@@ -0,0 +1,114 @@
+/*
+ * RSO muxer
+ * Copyright (c) 2001 Fabrice Bellard (original AU code)
+ * Copyright (c) 2010 Rafael Carre
+ *
+ * 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 "avformat.h"
+#include "internal.h"
+#include "riff.h"
+#include "rso.h"
+
+static int rso_write_header(AVFormatContext *s)
+{
+ ByteIOContext *pb = s->pb;
+ AVCodecContext *enc = s->streams[0]->codec;
+
+ if (!enc->codec_tag)
+ return AVERROR_INVALIDDATA;
+
+ if (enc->channels != 1) {
+ av_log(s, AV_LOG_ERROR, "RSO only supports mono\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (url_is_streamed(s->pb)) {
+ av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ /* XXX: find legal sample rates (if any) */
+ if (enc->sample_rate >= 1u<<16) {
+ av_log(s, AV_LOG_ERROR, "Sample rate must be < 65536\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
+ av_log(s, AV_LOG_ERROR, "ADPCM in RSO not implemented\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ /* format header */
+ put_be16(pb, enc->codec_tag); /* codec ID */
+ put_be16(pb, 0); /* data size, will be written at EOF */
+ put_be16(pb, enc->sample_rate);
+ put_be16(pb, 0x0000); /* play mode ? (0x0000 = don't loop) */
+
+ put_flush_packet(pb);
+
+ return 0;
+}
+
+static int rso_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ put_buffer(s->pb, pkt->data, pkt->size);
+ return 0;
+}
+
+static int rso_write_trailer(AVFormatContext *s)
+{
+ ByteIOContext *pb = s->pb;
+ int64_t file_size;
+ uint16_t coded_file_size;
+
+ file_size = url_ftell(pb);
+
+ if (file_size < 0)
+ return file_size;
+
+ if (file_size > 0xffff + RSO_HEADER_SIZE) {
+ av_log(s, AV_LOG_WARNING,
+ "Output file is too big (%"PRId64" bytes >= 64kB)\n", file_size);
+ coded_file_size = 0xffff;
+ } else {
+ coded_file_size = file_size - RSO_HEADER_SIZE;
+ }
+
+ /* update file size */
+ url_fseek(pb, 2, SEEK_SET);
+ put_be16(pb, coded_file_size);
+ url_fseek(pb, file_size, SEEK_SET);
+
+ put_flush_packet(pb);
+
+ return 0;
+}
+
+AVOutputFormat rso_muxer = {
+ .name = "rso",
+ .long_name = NULL_IF_CONFIG_SMALL("Lego Mindstorms RSO format"),
+ .extensions = "rso",
+ .priv_data_size = 0,
+ .audio_codec = CODEC_ID_PCM_U8,
+ .video_codec = CODEC_ID_NONE,
+ .write_header = rso_write_header,
+ .write_packet = rso_write_packet,
+ .write_trailer = rso_write_trailer,
+ .codec_tag = (const AVCodecTag* const []){ff_codec_rso_tags, 0},
+};
Modified: trunk/tests/lavf-regression.sh
==============================================================================
--- trunk/tests/lavf-regression.sh Tue Jul 20 15:08:10 2010 (r24354)
+++ trunk/tests/lavf-regression.sh Tue Jul 20 16:13:24 2010 (r24355)
@@ -206,6 +206,10 @@ if [ -n "$do_ogg" ] ; then
do_audio_only ogg
fi
+if [ -n "$do_rso" ] ; then
+do_audio_only rso
+fi
+
# pix_fmt conversions
if [ -n "$do_pixfmt" ] ; then
More information about the ffmpeg-cvslog
mailing list