[FFmpeg-cvslog] Chronomaster DFA decoder
Kostya Shishkov
git at videolan.org
Tue Mar 29 03:09:38 CEST 2011
ffmpeg | branch: master | Kostya Shishkov <kostya.shishkov at gmail.com> | Tue Mar 15 09:37:48 2011 +0100| [42315dabce376fd7085e2a1bbab4d230d3d2ccd8] | committer: Anton Khirnov
Chronomaster DFA decoder
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=42315dabce376fd7085e2a1bbab4d230d3d2ccd8
---
Changelog | 1 +
doc/general.texi | 4 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/avcodec.h | 1 +
libavcodec/dfa.c | 395 ++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
libavformat/Makefile | 1 +
libavformat/allformats.c | 1 +
libavformat/dfa.c | 119 ++++++++++++++
libavformat/version.h | 2 +-
11 files changed, 526 insertions(+), 2 deletions(-)
diff --git a/Changelog b/Changelog
index 86db2ae..9fd22fe 100644
--- a/Changelog
+++ b/Changelog
@@ -81,6 +81,7 @@ version <next>:
- Apple HTTP Live Streaming protocol handler
- sndio support for playback and record
- Linux framebuffer input device added
+- Chronomaster DFA decoder
version 0.6:
diff --git a/doc/general.texi b/doc/general.texi
index 4636471..7d5f082 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -81,6 +81,8 @@ library:
@tab Audio format used in some games by CRYO Interactive Entertainment.
@item D-Cinema audio @tab X @tab X
@item Deluxe Paint Animation @tab @tab X
+ at item DFA @tab @tab X
+ @tab This format is used in Chronomaster game
@item DV video @tab X @tab X
@item DXA @tab @tab X
@tab This format is used in the non-Windows version of the Feeble Files
@@ -371,6 +373,8 @@ following image formats are supported:
@item Cirrus Logic AccuPak @tab @tab X
@tab fourcc: CLJR
@item Creative YUV (CYUV) @tab @tab X
+ at item DFA @tab @tab X
+ @tab Codec used in Chronomaster game.
@item Dirac @tab E @tab E
@tab supported through external libdirac/libschroedinger libraries
@item Deluxe Paint Animation @tab @tab X
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 85d9a34..4cb61ca 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -103,6 +103,7 @@ OBJS-$(CONFIG_COOK_DECODER) += cook.o
OBJS-$(CONFIG_CSCD_DECODER) += cscd.o
OBJS-$(CONFIG_CYUV_DECODER) += cyuv.o
OBJS-$(CONFIG_DCA_DECODER) += dca.o synth_filter.o dcadsp.o
+OBJS-$(CONFIG_DFA_DECODER) += dfa.o
OBJS-$(CONFIG_DNXHD_DECODER) += dnxhddec.o dnxhddata.o
OBJS-$(CONFIG_DNXHD_ENCODER) += dnxhdenc.o dnxhddata.o \
mpegvideo_enc.o motion_est.o \
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 8de6ad8..9aa29b7 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -88,6 +88,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (CLJR, cljr);
REGISTER_DECODER (CSCD, cscd);
REGISTER_DECODER (CYUV, cyuv);
+ REGISTER_DECODER (DFA, dfa);
REGISTER_ENCDEC (DNXHD, dnxhd);
REGISTER_DECODER (DPX, dpx);
REGISTER_DECODER (DSICINVIDEO, dsicinvideo);
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 150c99d..4cd78a3 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -212,6 +212,7 @@ enum CodecID {
CODEC_ID_LAGARITH,
CODEC_ID_PRORES,
CODEC_ID_JV,
+ CODEC_ID_DFA,
/* various PCM "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,
diff --git a/libavcodec/dfa.c b/libavcodec/dfa.c
new file mode 100644
index 0000000..1023197
--- /dev/null
+++ b/libavcodec/dfa.c
@@ -0,0 +1,395 @@
+/*
+ * Chronomaster DFA Video Decoder
+ * Copyright (c) 2011 Konstantin Shishkov
+ * based on work by Vladimir "VAG" Gneushev
+ *
+ * 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
+ */
+
+#include "avcodec.h"
+#include "libavutil/intreadwrite.h"
+#include "bytestream.h"
+#include "libavutil/lzo.h" // for av_memcpy_backptr
+
+typedef struct DfaContext {
+ AVFrame pic;
+
+ uint32_t pal[256];
+ uint8_t *frame_buf;
+} DfaContext;
+
+static av_cold int dfa_decode_init(AVCodecContext *avctx)
+{
+ DfaContext *s = avctx->priv_data;
+
+ avctx->pix_fmt = PIX_FMT_PAL8;
+
+ s->frame_buf = av_mallocz(avctx->width * avctx->height + AV_LZO_OUTPUT_PADDING);
+ if (!s->frame_buf)
+ return AVERROR(ENOMEM);
+
+ return 0;
+}
+
+static int decode_copy(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ const int size = width * height;
+
+ if (src_end - src < size)
+ return -1;
+ bytestream_get_buffer(&src, frame, size);
+ return 0;
+}
+
+static int decode_tsw1(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ const uint8_t *frame_start = frame;
+ const uint8_t *frame_end = frame + width * height;
+ int mask = 0x10000, bitbuf = 0;
+ int v, offset, count, segments;
+
+ segments = bytestream_get_le32(&src);
+ frame += bytestream_get_le32(&src);
+ if (frame < frame_start || frame > frame_end)
+ return -1;
+ while (segments--) {
+ if (mask == 0x10000) {
+ if (src >= src_end)
+ return -1;
+ bitbuf = bytestream_get_le16(&src);
+ mask = 1;
+ }
+ if (src_end - src < 2 || frame_end - frame < 2)
+ return -1;
+ if (bitbuf & mask) {
+ v = bytestream_get_le16(&src);
+ offset = (v & 0x1FFF) << 1;
+ count = ((v >> 13) + 2) << 1;
+ if (frame - offset < frame_start || frame_end - frame < count)
+ return -1;
+ av_memcpy_backptr(frame, offset, count);
+ frame += count;
+ } else {
+ *frame++ = *src++;
+ *frame++ = *src++;
+ }
+ mask <<= 1;
+ }
+
+ return 0;
+}
+
+static int decode_dsw1(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ const uint8_t *frame_start = frame;
+ const uint8_t *frame_end = frame + width * height;
+ int mask = 0x10000, bitbuf = 0;
+ int v, offset, count, segments;
+
+ segments = bytestream_get_le16(&src);
+ while (segments--) {
+ if (mask == 0x10000) {
+ if (src >= src_end)
+ return -1;
+ bitbuf = bytestream_get_le16(&src);
+ mask = 1;
+ }
+ if (src_end - src < 2 || frame_end - frame < 2)
+ return -1;
+ if (bitbuf & mask) {
+ v = bytestream_get_le16(&src);
+ offset = (v & 0x1FFF) << 1;
+ count = ((v >> 13) + 2) << 1;
+ if (frame - offset < frame_start || frame_end - frame < count)
+ return -1;
+ // can't use av_memcpy_backptr() since it can overwrite following pixels
+ for (v = 0; v < count; v++)
+ frame[v] = frame[v - offset];
+ frame += count;
+ } else if (bitbuf & (mask << 1)) {
+ frame += bytestream_get_le16(&src);
+ } else {
+ *frame++ = *src++;
+ *frame++ = *src++;
+ }
+ mask <<= 2;
+ }
+
+ return 0;
+}
+
+static int decode_dds1(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ const uint8_t *frame_start = frame;
+ const uint8_t *frame_end = frame + width * height;
+ int mask = 0x10000, bitbuf = 0;
+ int i, v, offset, count, segments;
+
+ segments = bytestream_get_le16(&src);
+ while (segments--) {
+ if (mask == 0x10000) {
+ if (src >= src_end)
+ return -1;
+ bitbuf = bytestream_get_le16(&src);
+ mask = 1;
+ }
+ if (src_end - src < 2 || frame_end - frame < 2)
+ return -1;
+ if (bitbuf & mask) {
+ v = bytestream_get_le16(&src);
+ offset = (v & 0x1FFF) << 2;
+ count = ((v >> 13) + 2) << 1;
+ if (frame - offset < frame_start || frame_end - frame < count*2 + width)
+ return -1;
+ for (i = 0; i < count; i++) {
+ frame[0] = frame[1] =
+ frame[width] = frame[width + 1] = frame[-offset];
+
+ frame += 2;
+ }
+ } else if (bitbuf & (mask << 1)) {
+ frame += bytestream_get_le16(&src) * 2;
+ } else {
+ frame[0] = frame[1] =
+ frame[width] = frame[width + 1] = *src++;
+ frame += 2;
+ frame[0] = frame[1] =
+ frame[width] = frame[width + 1] = *src++;
+ frame += 2;
+ }
+ mask <<= 2;
+ }
+
+ return 0;
+}
+
+static int decode_bdlt(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ const uint8_t *frame_end = frame + width * height;
+ uint8_t *line_ptr;
+ int count, lines, segments;
+
+ count = bytestream_get_le16(&src);
+ if (count >= height || width * count < 0)
+ return -1;
+ frame += width * count;
+ lines = bytestream_get_le16(&src);
+ if (frame + lines * width > frame_end || src >= src_end)
+ return -1;
+
+ while (lines--) {
+ line_ptr = frame;
+ frame += width;
+ segments = *src++;
+ while (segments--) {
+ if (src_end - src < 3)
+ return -1;
+ line_ptr += *src++;
+ if (line_ptr >= frame)
+ return -1;
+ count = (int8_t)*src++;
+ if (count >= 0) {
+ if (line_ptr + count > frame || src_end - src < count)
+ return -1;
+ bytestream_get_buffer(&src, line_ptr, count);
+ } else {
+ count = -count;
+ if (line_ptr + count > frame || src >= src_end)
+ return -1;
+ memset(line_ptr, *src++, count);
+ }
+ line_ptr += count;
+ }
+ }
+
+ return 0;
+}
+
+static int decode_wdlt(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ const uint8_t *frame_end = frame + width * height;
+ uint8_t *line_ptr;
+ int count, i, v, lines, segments;
+
+ lines = bytestream_get_le16(&src);
+ if (frame + lines * width > frame_end || src >= src_end)
+ return -1;
+
+ while (lines--) {
+ segments = bytestream_get_le16(&src);
+ while ((segments & 0xC000) == 0xC000) {
+ frame -= (int16_t)segments * width;
+ if (frame >= frame_end)
+ return -1;
+ segments = bytestream_get_le16(&src);
+ }
+ if (segments & 0x8000) {
+ frame[width - 1] = segments & 0xFF;
+ segments = bytestream_get_le16(&src);
+ }
+ line_ptr = frame;
+ frame += width;
+ while (segments--) {
+ if (src_end - src < 2)
+ return -1;
+ line_ptr += *src++;
+ if (line_ptr >= frame)
+ return -1;
+ count = (int8_t)*src++;
+ if (count >= 0) {
+ if (line_ptr + count*2 > frame || src_end - src < count*2)
+ return -1;
+ bytestream_get_buffer(&src, line_ptr, count*2);
+ line_ptr += count * 2;
+ } else {
+ count = -count;
+ if (line_ptr + count*2 > frame || src_end - src < 2)
+ return -1;
+ v = bytestream_get_le16(&src);
+ for (i = 0; i < count; i++)
+ bytestream_put_le16(&line_ptr, v);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int decode_unk6(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ return -1;
+}
+
+static int decode_blck(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end)
+{
+ memset(frame, 0, width * height);
+ return 0;
+}
+
+
+typedef int (*chunk_decoder)(uint8_t *frame, int width, int height,
+ const uint8_t *src, const uint8_t *src_end);
+
+static const chunk_decoder decoder[8] = {
+ decode_copy, decode_tsw1, decode_bdlt, decode_wdlt,
+ decode_unk6, decode_dsw1, decode_blck, decode_dds1,
+};
+
+static const char* chunk_name[8] = {
+ "COPY", "TSW1", "BDLT", "WDLT", "????", "DSW1", "BLCK", "DDS1"
+};
+
+static int dfa_decode_frame(AVCodecContext *avctx,
+ void *data, int *data_size,
+ AVPacket *avpkt)
+{
+ DfaContext *s = avctx->priv_data;
+ const uint8_t *buf = avpkt->data;
+ const uint8_t *buf_end = avpkt->data + avpkt->size;
+ const uint8_t *tmp_buf;
+ uint32_t chunk_type, chunk_size;
+ uint8_t *dst;
+ int ret;
+ int i, pal_elems;
+
+ if (s->pic.data[0])
+ avctx->release_buffer(avctx, &s->pic);
+
+ if ((ret = avctx->get_buffer(avctx, &s->pic))) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
+ }
+
+ while (buf < buf_end) {
+ chunk_size = AV_RL32(buf + 4);
+ chunk_type = AV_RL32(buf + 8);
+ buf += 12;
+ if (buf_end - buf < chunk_size) {
+ av_log(avctx, AV_LOG_ERROR, "Chunk size is too big (%d bytes)\n", chunk_size);
+ return -1;
+ }
+ if (!chunk_type)
+ break;
+ if (chunk_type == 1) {
+ pal_elems = FFMIN(chunk_size / 3, 256);
+ tmp_buf = buf;
+ for (i = 0; i < pal_elems; i++) {
+ s->pal[i] = bytestream_get_be24(&tmp_buf) << 2;
+ s->pal[i] |= (s->pal[i] >> 6) & 0x333;
+ }
+ s->pic.palette_has_changed = 1;
+ } else if (chunk_type <= 9) {
+ if (decoder[chunk_type - 2](s->frame_buf, avctx->width, avctx->height,
+ buf, buf + chunk_size)) {
+ av_log(avctx, AV_LOG_ERROR, "Error decoding %s chunk\n",
+ chunk_name[chunk_type - 2]);
+ return -1;
+ }
+ } else {
+ av_log(avctx, AV_LOG_WARNING, "Ignoring unknown chunk type %d\n",
+ chunk_type);
+ }
+ buf += chunk_size;
+ }
+
+ buf = s->frame_buf;
+ dst = s->pic.data[0];
+ for (i = 0; i < avctx->height; i++) {
+ memcpy(dst, buf, avctx->width);
+ dst += s->pic.linesize[0];
+ buf += avctx->width;
+ }
+ memcpy(s->pic.data[1], s->pal, sizeof(s->pal));
+
+ *data_size = sizeof(AVFrame);
+ *(AVFrame*)data = s->pic;
+
+ return avpkt->size;
+}
+
+static av_cold int dfa_decode_end(AVCodecContext *avctx)
+{
+ DfaContext *s = avctx->priv_data;
+
+ if (s->pic.data[0])
+ avctx->release_buffer(avctx, &s->pic);
+
+ av_freep(&s->frame_buf);
+
+ return 0;
+}
+
+AVCodec ff_dfa_decoder = {
+ "dfa",
+ AVMEDIA_TYPE_VIDEO,
+ CODEC_ID_DFA,
+ sizeof(DfaContext),
+ dfa_decode_init,
+ NULL,
+ dfa_decode_end,
+ dfa_decode_frame,
+ CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("Chronomaster DFA"),
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 73a6f33..a1c8365 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 115
+#define LIBAVCODEC_VERSION_MINOR 116
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
diff --git a/libavformat/Makefile b/libavformat/Makefile
index c521cd3..719783c 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -55,6 +55,7 @@ OBJS-$(CONFIG_CDG_DEMUXER) += cdg.o
OBJS-$(CONFIG_CRC_MUXER) += crcenc.o
OBJS-$(CONFIG_DAUD_DEMUXER) += daud.o
OBJS-$(CONFIG_DAUD_MUXER) += daud.o
+OBJS-$(CONFIG_DFA_DEMUXER) += dfa.o
OBJS-$(CONFIG_DIRAC_DEMUXER) += diracdec.o rawdec.o
OBJS-$(CONFIG_DIRAC_MUXER) += rawenc.o
OBJS-$(CONFIG_DNXHD_DEMUXER) += dnxhddec.o rawdec.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index d6cab7a..e80d4b0 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -75,6 +75,7 @@ void av_register_all(void)
REGISTER_DEMUXER (CDG, cdg);
REGISTER_MUXER (CRC, crc);
REGISTER_MUXDEMUX (DAUD, daud);
+ REGISTER_DEMUXER (DFA, dfa);
REGISTER_MUXDEMUX (DIRAC, dirac);
REGISTER_MUXDEMUX (DNXHD, dnxhd);
REGISTER_DEMUXER (DSICIN, dsicin);
diff --git a/libavformat/dfa.c b/libavformat/dfa.c
new file mode 100644
index 0000000..8108535
--- /dev/null
+++ b/libavformat/dfa.c
@@ -0,0 +1,119 @@
+/*
+ * Chronomaster DFA Format Demuxer
+ * Copyright (c) 2011 Konstantin Shishkov
+ *
+ * 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
+ */
+
+#include "libavutil/intreadwrite.h"
+#include "avformat.h"
+
+static int dfa_probe(AVProbeData *p)
+{
+ if (p->buf_size < 4 || AV_RL32(p->buf) != MKTAG('D', 'F', 'I', 'A'))
+ return 0;
+
+ return AVPROBE_SCORE_MAX;
+}
+
+static int dfa_read_header(AVFormatContext *s,
+ AVFormatParameters *ap)
+{
+ AVIOContext *pb = s->pb;
+ AVStream *st;
+ int frames;
+ uint32_t mspf;
+
+ if (avio_rl32(pb) != MKTAG('D', 'F', 'I', 'A')) {
+ av_log(s, AV_LOG_ERROR, "Invalid magic for DFA\n");
+ return AVERROR_INVALIDDATA;
+ }
+ avio_skip(pb, 2); // unused
+ frames = avio_rl16(pb);
+
+ st = av_new_stream(s, 0);
+ if (!st)
+ return AVERROR(ENOMEM);
+
+ st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
+ st->codec->codec_id = CODEC_ID_DFA;
+ st->codec->width = avio_rl16(pb);
+ st->codec->height = avio_rl16(pb);
+ mspf = avio_rl32(pb);
+ if (!mspf) {
+ av_log(s, AV_LOG_WARNING, "Zero FPS reported, defaulting to 10\n");
+ mspf = 100;
+ }
+ av_set_pts_info(st, 24, mspf, 1000);
+ avio_skip(pb, 128 - 16); // padding
+ st->duration = frames;
+
+ return 0;
+}
+
+static int dfa_read_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ AVIOContext *pb = s->pb;
+ uint32_t frame_size;
+ int ret, first = 1;
+
+ if (pb->eof_reached)
+ return AVERROR_EOF;
+
+ if (av_get_packet(pb, pkt, 12) != 12)
+ return AVERROR(EIO);
+ while (!pb->eof_reached) {
+ if (!first) {
+ ret = av_append_packet(pb, pkt, 12);
+ if (ret < 0) {
+ av_free_packet(pkt);
+ return ret;
+ }
+ } else
+ first = 0;
+ frame_size = AV_RL32(pkt->data + pkt->size - 8);
+ if (frame_size > INT_MAX - 4) {
+ av_log(s, AV_LOG_ERROR, "Too large chunk size: %d\n", frame_size);
+ return AVERROR(EIO);
+ }
+ if (AV_RL32(pkt->data + pkt->size - 12) == MKTAG('E', 'O', 'F', 'R')) {
+ if (frame_size) {
+ av_log(s, AV_LOG_WARNING, "skipping %d bytes of end-of-frame marker chunk\n",
+ frame_size);
+ avio_skip(pb, frame_size);
+ }
+ return 0;
+ }
+ ret = av_append_packet(pb, pkt, frame_size);
+ if (ret < 0) {
+ av_free_packet(pkt);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+AVInputFormat ff_dfa_demuxer = {
+ "dfa",
+ NULL_IF_CONFIG_SMALL("Chronomaster DFA"),
+ 0,
+ dfa_probe,
+ dfa_read_header,
+ dfa_read_packet,
+ .flags = AVFMT_GENERIC_INDEX,
+};
diff --git a/libavformat/version.h b/libavformat/version.h
index e52290f..7d61bef 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -24,7 +24,7 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 103
+#define LIBAVFORMAT_VERSION_MINOR 104
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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