[FFmpeg-devel] [PATCH 07/11] avcodec: rename bitpacked.c to s210dec.c
lance.lmwang at gmail.com
lance.lmwang at gmail.com
Fri Nov 12 12:22:12 EET 2021
From: Limin Wang <lance.lmwang at gmail.com>
Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
libavcodec/Makefile | 2 +-
libavcodec/bitpacked.c | 125 -------------------------------------------------
libavcodec/s210dec.c | 125 +++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 126 insertions(+), 126 deletions(-)
delete mode 100644 libavcodec/bitpacked.c
create mode 100644 libavcodec/s210dec.c
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 8ae28e8..1d75cfe 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -243,7 +243,7 @@ OBJS-$(CONFIG_BINK_DECODER) += bink.o binkdsp.o
OBJS-$(CONFIG_BINKAUDIO_DCT_DECODER) += binkaudio.o
OBJS-$(CONFIG_BINKAUDIO_RDFT_DECODER) += binkaudio.o
OBJS-$(CONFIG_BINTEXT_DECODER) += bintext.o cga_data.o
-OBJS-$(CONFIG_S210_DECODER) += bitpacked.o
+OBJS-$(CONFIG_S210_DECODER) += s210dec.o
OBJS-$(CONFIG_BMP_DECODER) += bmp.o msrledec.o
OBJS-$(CONFIG_BMP_ENCODER) += bmpenc.o
OBJS-$(CONFIG_BMV_AUDIO_DECODER) += bmvaudio.o
diff --git a/libavcodec/bitpacked.c b/libavcodec/bitpacked.c
deleted file mode 100644
index 7bc5dbc..0000000
--- a/libavcodec/bitpacked.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * S210 decoder
- * Copyright (c) 2017 Savoir-faire Linux, Inc
- * Copyright (c) 2021 Limin Wang
- *
- * 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
- */
-
-/* Development sponsored by CBC/Radio-Canada */
-
-/**
- * @file
- * s210dec
- */
-
-#include "avcodec.h"
-#include "internal.h"
-#include "get_bits.h"
-#include "libavutil/imgutils.h"
-
-struct S210Context {
- int (*decode)(AVCodecContext *avctx, AVFrame *frame,
- const AVPacket *pkt);
-};
-
-static int s210_decode_yuv422p10(AVCodecContext *avctx, AVFrame *frame,
- const AVPacket *avpkt)
-{
- uint64_t frame_size = (uint64_t)avctx->width * (uint64_t)avctx->height * 20;
- uint64_t packet_size = (uint64_t)avpkt->size * 8;
- GetBitContext bc;
- uint16_t *y, *u, *v;
- int ret, i, j;
-
- ret = ff_get_buffer(avctx, frame, 0);
- if (ret < 0)
- return ret;
-
- if (frame_size > packet_size)
- return AVERROR_INVALIDDATA;
-
- if (avctx->width % 2)
- return AVERROR_PATCHWELCOME;
-
- ret = init_get_bits(&bc, avpkt->data, avctx->width * avctx->height * 20);
- if (ret)
- return ret;
-
- for (i = 0; i < avctx->height; i++) {
- y = (uint16_t*)(frame->data[0] + i * frame->linesize[0]);
- u = (uint16_t*)(frame->data[1] + i * frame->linesize[1]);
- v = (uint16_t*)(frame->data[2] + i * frame->linesize[2]);
-
- for (j = 0; j < avctx->width; j += 2) {
- *u++ = get_bits(&bc, 10);
- *y++ = get_bits(&bc, 10);
- *v++ = get_bits(&bc, 10);
- *y++ = get_bits(&bc, 10);
- }
- }
-
- return 0;
-}
-
-static av_cold int s210_init_decoder(AVCodecContext *avctx)
-{
- struct S210Context *bc = avctx->priv_data;
-
- if (!avctx->width || !avctx->height)
- return AVERROR_INVALIDDATA;
-
- if (avctx->bits_per_coded_sample == 20 &&
- avctx->pix_fmt == AV_PIX_FMT_YUV422P10)
- bc->decode = s210_decode_yuv422p10;
- else
- return AVERROR_INVALIDDATA;
-
- return 0;
-}
-
-static int s210_decode(AVCodecContext *avctx, void *data, int *got_frame,
- AVPacket *avpkt)
-{
- struct S210Context *bc = avctx->priv_data;
- int buf_size = avpkt->size;
- AVFrame *frame = data;
- int res;
-
- frame->pict_type = AV_PICTURE_TYPE_I;
- frame->key_frame = 1;
-
- res = bc->decode(avctx, frame, avpkt);
- if (res)
- return res;
-
- *got_frame = 1;
- return buf_size;
-
-}
-
-const AVCodec ff_s210_decoder = {
- .name = "s210",
- .long_name = NULL_IF_CONFIG_SMALL("10-bit 4:2:2 packed"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_S210,
- .priv_data_size = sizeof(struct S210Context),
- .init = s210_init_decoder,
- .decode = s210_decode,
- .capabilities = AV_CODEC_CAP_EXPERIMENTAL,
- .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
-};
diff --git a/libavcodec/s210dec.c b/libavcodec/s210dec.c
new file mode 100644
index 0000000..7bc5dbc
--- /dev/null
+++ b/libavcodec/s210dec.c
@@ -0,0 +1,125 @@
+/*
+ * S210 decoder
+ * Copyright (c) 2017 Savoir-faire Linux, Inc
+ * Copyright (c) 2021 Limin Wang
+ *
+ * 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
+ */
+
+/* Development sponsored by CBC/Radio-Canada */
+
+/**
+ * @file
+ * s210dec
+ */
+
+#include "avcodec.h"
+#include "internal.h"
+#include "get_bits.h"
+#include "libavutil/imgutils.h"
+
+struct S210Context {
+ int (*decode)(AVCodecContext *avctx, AVFrame *frame,
+ const AVPacket *pkt);
+};
+
+static int s210_decode_yuv422p10(AVCodecContext *avctx, AVFrame *frame,
+ const AVPacket *avpkt)
+{
+ uint64_t frame_size = (uint64_t)avctx->width * (uint64_t)avctx->height * 20;
+ uint64_t packet_size = (uint64_t)avpkt->size * 8;
+ GetBitContext bc;
+ uint16_t *y, *u, *v;
+ int ret, i, j;
+
+ ret = ff_get_buffer(avctx, frame, 0);
+ if (ret < 0)
+ return ret;
+
+ if (frame_size > packet_size)
+ return AVERROR_INVALIDDATA;
+
+ if (avctx->width % 2)
+ return AVERROR_PATCHWELCOME;
+
+ ret = init_get_bits(&bc, avpkt->data, avctx->width * avctx->height * 20);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < avctx->height; i++) {
+ y = (uint16_t*)(frame->data[0] + i * frame->linesize[0]);
+ u = (uint16_t*)(frame->data[1] + i * frame->linesize[1]);
+ v = (uint16_t*)(frame->data[2] + i * frame->linesize[2]);
+
+ for (j = 0; j < avctx->width; j += 2) {
+ *u++ = get_bits(&bc, 10);
+ *y++ = get_bits(&bc, 10);
+ *v++ = get_bits(&bc, 10);
+ *y++ = get_bits(&bc, 10);
+ }
+ }
+
+ return 0;
+}
+
+static av_cold int s210_init_decoder(AVCodecContext *avctx)
+{
+ struct S210Context *bc = avctx->priv_data;
+
+ if (!avctx->width || !avctx->height)
+ return AVERROR_INVALIDDATA;
+
+ if (avctx->bits_per_coded_sample == 20 &&
+ avctx->pix_fmt == AV_PIX_FMT_YUV422P10)
+ bc->decode = s210_decode_yuv422p10;
+ else
+ return AVERROR_INVALIDDATA;
+
+ return 0;
+}
+
+static int s210_decode(AVCodecContext *avctx, void *data, int *got_frame,
+ AVPacket *avpkt)
+{
+ struct S210Context *bc = avctx->priv_data;
+ int buf_size = avpkt->size;
+ AVFrame *frame = data;
+ int res;
+
+ frame->pict_type = AV_PICTURE_TYPE_I;
+ frame->key_frame = 1;
+
+ res = bc->decode(avctx, frame, avpkt);
+ if (res)
+ return res;
+
+ *got_frame = 1;
+ return buf_size;
+
+}
+
+const AVCodec ff_s210_decoder = {
+ .name = "s210",
+ .long_name = NULL_IF_CONFIG_SMALL("10-bit 4:2:2 packed"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_S210,
+ .priv_data_size = sizeof(struct S210Context),
+ .init = s210_init_decoder,
+ .decode = s210_decode,
+ .capabilities = AV_CODEC_CAP_EXPERIMENTAL,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
+};
--
1.8.3.1
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