[FFmpeg-devel] [PATCH v6 2/5] lavc/avs3: add AVS3 related definitions
hwrenx at 126.com
hwrenx at 126.com
Thu Aug 20 09:43:56 EEST 2020
From: hwren <hwrenx at 126.com>
Signed-off-by: hwren <hwrenx at 126.com>
---
libavcodec/Makefile | 2 +
libavcodec/avs3.c | 95 +++++++++++++++++++++++++++++++++++++++++++++
libavcodec/avs3.h | 52 +++++++++++++++++++++++++
3 files changed, 149 insertions(+)
create mode 100644 libavcodec/avs3.c
create mode 100644 libavcodec/avs3.h
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 3431ba2dca..e1e0c4629d 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -6,6 +6,7 @@ HEADERS = ac3_parser.h \
avcodec.h \
avdct.h \
avfft.h \
+ avs3.h \
bsf.h \
codec.h \
codec_desc.h \
@@ -32,6 +33,7 @@ OBJS = ac3_parser.o \
avdct.o \
avpacket.o \
avpicture.o \
+ avs3.o \
bitstream.o \
bitstream_filter.o \
bitstream_filters.o \
diff --git a/libavcodec/avs3.c b/libavcodec/avs3.c
new file mode 100644
index 0000000000..411a6c39a0
--- /dev/null
+++ b/libavcodec/avs3.c
@@ -0,0 +1,95 @@
+/*
+ * AVS3 related definitions
+ *
+ * Copyright (C) 2020 Huiwen Ren, <hwrenx at 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 "avs3.h"
+
+const AVRational ff_avs3_frame_rate_tab[16] = {
+ { 0 , 0 }, // forbid
+ { 24000, 1001},
+ { 24 , 1 },
+ { 25 , 1 },
+ { 30000, 1001},
+ { 30 , 1 },
+ { 50 , 1 },
+ { 60000, 1001},
+ { 60 , 1 },
+ { 100 , 1 },
+ { 120 , 1 },
+ { 200 , 1 },
+ { 240 , 1 },
+ { 300 , 1 },
+ { 0 , 0 }, // reserved
+ { 0 , 0 } // reserved
+};
+
+const int ff_avs3_color_primaries_tab[10] = {
+ AVCOL_PRI_RESERVED0 , // 0
+ AVCOL_PRI_BT709 , // 1
+ AVCOL_PRI_UNSPECIFIED , // 2
+ AVCOL_PRI_RESERVED , // 3
+ AVCOL_PRI_BT470M , // 4
+ AVCOL_PRI_BT470BG , // 5
+ AVCOL_PRI_SMPTE170M , // 6
+ AVCOL_PRI_SMPTE240M , // 7
+ AVCOL_PRI_FILM , // 8
+ AVCOL_PRI_BT2020 // 9
+};
+
+const int ff_avs3_color_transfer_tab[15] = {
+ AVCOL_TRC_RESERVED0 , // 0
+ AVCOL_TRC_BT709 , // 1
+ AVCOL_TRC_UNSPECIFIED , // 2
+ AVCOL_TRC_RESERVED , // 3
+ AVCOL_TRC_GAMMA22 , // 4
+ AVCOL_TRC_GAMMA28 , // 5
+ AVCOL_TRC_SMPTE170M , // 6
+ AVCOL_TRC_SMPTE240M , // 7
+ AVCOL_TRC_LINEAR , // 8
+ AVCOL_TRC_LOG , // 9
+ AVCOL_TRC_LOG_SQRT , // 10
+ AVCOL_TRC_BT2020_12 , // 11
+ AVCOL_TRC_SMPTE2084 , // 12
+ AVCOL_TRC_UNSPECIFIED , // 13
+ AVCOL_TRC_ARIB_STD_B67 // 14
+};
+
+const int ff_avs3_color_matrix_tab[12] = {
+ AVCOL_SPC_RESERVED , // 0
+ AVCOL_SPC_BT709 , // 1
+ AVCOL_SPC_UNSPECIFIED , // 2
+ AVCOL_SPC_RESERVED , // 3
+ AVCOL_SPC_FCC , // 4
+ AVCOL_SPC_BT470BG , // 5
+ AVCOL_SPC_SMPTE170M , // 6
+ AVCOL_SPC_SMPTE240M , // 7
+ AVCOL_SPC_BT2020_NCL , // 8
+ AVCOL_SPC_BT2020_CL , // 9
+ AVCOL_SPC_UNSPECIFIED , // 10
+ AVCOL_SPC_UNSPECIFIED // 11
+};
+
+const enum AVPictureType ff_avs3_image_type[4] = {
+ AV_PICTURE_TYPE_NONE,
+ AV_PICTURE_TYPE_I,
+ AV_PICTURE_TYPE_P,
+ AV_PICTURE_TYPE_B
+};
diff --git a/libavcodec/avs3.h b/libavcodec/avs3.h
new file mode 100644
index 0000000000..8653e7c476
--- /dev/null
+++ b/libavcodec/avs3.h
@@ -0,0 +1,52 @@
+/*
+ * AVS3 related definitions
+ *
+ * Copyright (C) 2020 Huiwen Ren, <hwrenx at 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
+ */
+
+#ifndef AVCODEC_AVS3_H
+#define AVCODEC_AVS3_H
+
+#define AVS3_NAL_START_CODE 0x010000
+#define AVS3_SEQ_START_CODE 0xB0
+#define AVS3_SEQ_END_CODE 0xB1
+#define AVS3_USER_DATA_START_CODE 0xB2
+#define AVS3_INTRA_PIC_START_CODE 0xB3
+#define AVS3_UNDEF_START_CODE 0xB4
+#define AVS3_EXTENSION_START_CODE 0xB5
+#define AVS3_INTER_PIC_START_CODE 0xB6
+#define AVS3_VIDEO_EDIT_CODE 0xB7
+#define AVS3_FIRST_SLICE_START_CODE 0x00
+#define AVS3_PROFILE_BASELINE_MAIN 0x20
+#define AVS3_PROFILE_BASELINE_MAIN10 0x22
+
+#define AVS3_ISPIC(x) ((x) == AVS3_INTRA_PIC_START_CODE || (x) == AVS3_INTER_PIC_START_CODE)
+#define AVS3_ISUNIT(x) ((x) == AVS3_SEQ_START_CODE || AVS3_ISPIC(x))
+
+#include "libavutil/avutil.h"
+#include "libavutil/pixfmt.h"
+#include "libavutil/rational.h"
+
+extern const AVRational ff_avs3_frame_rate_tab[16];
+extern const int ff_avs3_color_primaries_tab[10];
+extern const int ff_avs3_color_transfer_tab[15];
+extern const int ff_avs3_color_matrix_tab[12];
+extern const enum AVPictureType ff_avs3_image_type[4];
+
+#endif /* AVCODEC_AVS3_H */
--
2.23.0.windows.1
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