[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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