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[FFmpeg-devel,v3,4/7] avcodec: rename bitpacked.c to bitpacked_dec.c

Message ID 1637767665-6777-4-git-send-email-lance.lmwang@gmail.com
State New
Headers show
Series [FFmpeg-devel,v3,1/7] avformat/rtpdec_rfc4175: use rawvideo for uyvy422
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Commit Message

Limin Wang Nov. 24, 2021, 3:27 p.m. UTC
From: Limin Wang <lance.lmwang@gmail.com>

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
---
 libavcodec/Makefile        |   2 +-
 libavcodec/bitpacked.c     | 158 ---------------------------------------------
 libavcodec/bitpacked_dec.c | 158 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 159 insertions(+), 159 deletions(-)
 delete mode 100644 libavcodec/bitpacked.c
 create mode 100644 libavcodec/bitpacked_dec.c
diff mbox series

Patch

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 14fbd2e..fbb2b79 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-$(CONFIG_BITPACKED_DECODER)       += bitpacked.o
+OBJS-$(CONFIG_BITPACKED_DECODER)       += bitpacked_dec.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 0440df9..0000000
--- a/libavcodec/bitpacked.c
+++ /dev/null
@@ -1,158 +0,0 @@ 
-/*
- * Unpack bit-packed streams to formats supported by FFmpeg
- * Copyright (c) 2017 Savoir-faire Linux, Inc
- *
- * 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
- * Bitpacked
- */
-
-#include "avcodec.h"
-#include "internal.h"
-#include "get_bits.h"
-#include "libavutil/imgutils.h"
-
-struct BitpackedContext {
-    int (*decode)(AVCodecContext *avctx, AVFrame *frame,
-                  const AVPacket *pkt);
-};
-
-/* For this format, it's a simple passthrough */
-static int bitpacked_decode_uyvy422(AVCodecContext *avctx, AVFrame *frame,
-                                    const AVPacket *avpkt)
-{
-    int ret;
-
-    /* there is no need to copy as the data already match
-     * a known pixel format */
-    frame->buf[0] = av_buffer_ref(avpkt->buf);
-    if (!frame->buf[0]) {
-        return AVERROR(ENOMEM);
-    }
-
-    ret = av_image_fill_arrays(frame->data, frame->linesize, avpkt->data,
-                               avctx->pix_fmt, avctx->width, avctx->height, 1);
-    if (ret < 0) {
-        av_buffer_unref(&frame->buf[0]);
-        return ret;
-    }
-
-    return 0;
-}
-
-static int bitpacked_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 bitpacked_init_decoder(AVCodecContext *avctx)
-{
-    struct BitpackedContext *bc = avctx->priv_data;
-
-    if (!avctx->codec_tag || !avctx->width || !avctx->height)
-        return AVERROR_INVALIDDATA;
-
-    if (avctx->codec_tag == MKTAG('U', 'Y', 'V', 'Y')) {
-        if (avctx->bits_per_coded_sample == 16 &&
-            avctx->pix_fmt == AV_PIX_FMT_UYVY422)
-            bc->decode = bitpacked_decode_uyvy422;
-        else if (avctx->bits_per_coded_sample == 20 &&
-                 avctx->pix_fmt == AV_PIX_FMT_YUV422P10)
-            bc->decode = bitpacked_decode_yuv422p10;
-        else
-            return AVERROR_INVALIDDATA;
-    } else {
-        return AVERROR_INVALIDDATA;
-    }
-
-    return 0;
-}
-
-static int bitpacked_decode(AVCodecContext *avctx, void *data, int *got_frame,
-                            AVPacket *avpkt)
-{
-    struct BitpackedContext *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_bitpacked_decoder = {
-    .name   = "bitpacked",
-    .long_name = NULL_IF_CONFIG_SMALL("Bitpacked"),
-    .type = AVMEDIA_TYPE_VIDEO,
-    .id = AV_CODEC_ID_BITPACKED,
-    .priv_data_size        = sizeof(struct BitpackedContext),
-    .init = bitpacked_init_decoder,
-    .decode = bitpacked_decode,
-    .capabilities = AV_CODEC_CAP_EXPERIMENTAL,
-    .codec_tags     = (const uint32_t []){
-        MKTAG('U', 'Y', 'V', 'Y'),
-        FF_CODEC_TAGS_END,
-    },
-    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
-};
diff --git a/libavcodec/bitpacked_dec.c b/libavcodec/bitpacked_dec.c
new file mode 100644
index 0000000..0440df9
--- /dev/null
+++ b/libavcodec/bitpacked_dec.c
@@ -0,0 +1,158 @@ 
+/*
+ * Unpack bit-packed streams to formats supported by FFmpeg
+ * Copyright (c) 2017 Savoir-faire Linux, Inc
+ *
+ * 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
+ * Bitpacked
+ */
+
+#include "avcodec.h"
+#include "internal.h"
+#include "get_bits.h"
+#include "libavutil/imgutils.h"
+
+struct BitpackedContext {
+    int (*decode)(AVCodecContext *avctx, AVFrame *frame,
+                  const AVPacket *pkt);
+};
+
+/* For this format, it's a simple passthrough */
+static int bitpacked_decode_uyvy422(AVCodecContext *avctx, AVFrame *frame,
+                                    const AVPacket *avpkt)
+{
+    int ret;
+
+    /* there is no need to copy as the data already match
+     * a known pixel format */
+    frame->buf[0] = av_buffer_ref(avpkt->buf);
+    if (!frame->buf[0]) {
+        return AVERROR(ENOMEM);
+    }
+
+    ret = av_image_fill_arrays(frame->data, frame->linesize, avpkt->data,
+                               avctx->pix_fmt, avctx->width, avctx->height, 1);
+    if (ret < 0) {
+        av_buffer_unref(&frame->buf[0]);
+        return ret;
+    }
+
+    return 0;
+}
+
+static int bitpacked_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 bitpacked_init_decoder(AVCodecContext *avctx)
+{
+    struct BitpackedContext *bc = avctx->priv_data;
+
+    if (!avctx->codec_tag || !avctx->width || !avctx->height)
+        return AVERROR_INVALIDDATA;
+
+    if (avctx->codec_tag == MKTAG('U', 'Y', 'V', 'Y')) {
+        if (avctx->bits_per_coded_sample == 16 &&
+            avctx->pix_fmt == AV_PIX_FMT_UYVY422)
+            bc->decode = bitpacked_decode_uyvy422;
+        else if (avctx->bits_per_coded_sample == 20 &&
+                 avctx->pix_fmt == AV_PIX_FMT_YUV422P10)
+            bc->decode = bitpacked_decode_yuv422p10;
+        else
+            return AVERROR_INVALIDDATA;
+    } else {
+        return AVERROR_INVALIDDATA;
+    }
+
+    return 0;
+}
+
+static int bitpacked_decode(AVCodecContext *avctx, void *data, int *got_frame,
+                            AVPacket *avpkt)
+{
+    struct BitpackedContext *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_bitpacked_decoder = {
+    .name   = "bitpacked",
+    .long_name = NULL_IF_CONFIG_SMALL("Bitpacked"),
+    .type = AVMEDIA_TYPE_VIDEO,
+    .id = AV_CODEC_ID_BITPACKED,
+    .priv_data_size        = sizeof(struct BitpackedContext),
+    .init = bitpacked_init_decoder,
+    .decode = bitpacked_decode,
+    .capabilities = AV_CODEC_CAP_EXPERIMENTAL,
+    .codec_tags     = (const uint32_t []){
+        MKTAG('U', 'Y', 'V', 'Y'),
+        FF_CODEC_TAGS_END,
+    },
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
+};