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-rw-r--r--libavcodec/r210enc.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/libavcodec/r210enc.c b/libavcodec/r210enc.c
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--- /dev/null
+++ b/libavcodec/r210enc.c
@@ -0,0 +1,123 @@
+/*
+ * R210 encoder
+ *
+ * Copyright (c) 2012 Paul B Mahol
+ *
+ * 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 "avcodec.h"
+#include "internal.h"
+#include "bytestream.h"
+
+static av_cold int encode_init(AVCodecContext *avctx)
+{
+ avctx->coded_frame = av_frame_alloc();
+
+ if (!avctx->coded_frame)
+ return AVERROR(ENOMEM);
+
+ return 0;
+}
+
+static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *pic, int *got_packet)
+{
+ int i, j, ret;
+ int aligned_width = FFALIGN(avctx->width,
+ avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
+ int pad = (aligned_width - avctx->width) * 4;
+ uint8_t *src_line;
+ uint8_t *dst;
+
+ if ((ret = ff_alloc_packet2(avctx, pkt, 4 * aligned_width * avctx->height)) < 0)
+ return ret;
+
+ avctx->coded_frame->key_frame = 1;
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+ src_line = pic->data[0];
+ dst = pkt->data;
+
+ for (i = 0; i < avctx->height; i++) {
+ uint16_t *src = (uint16_t *)src_line;
+ for (j = 0; j < avctx->width; j++) {
+ uint32_t pixel;
+ uint16_t r = *src++ >> 6;
+ uint16_t g = *src++ >> 6;
+ uint16_t b = *src++ >> 6;
+ if (avctx->codec_id == AV_CODEC_ID_R210)
+ pixel = (r << 20) | (g << 10) | b;
+ else
+ pixel = (r << 22) | (g << 12) | (b << 2);
+ if (avctx->codec_id == AV_CODEC_ID_AVRP)
+ bytestream_put_le32(&dst, pixel);
+ else
+ bytestream_put_be32(&dst, pixel);
+ }
+ memset(dst, 0, pad);
+ dst += pad;
+ src_line += pic->linesize[0];
+ }
+
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
+ return 0;
+}
+
+static av_cold int encode_close(AVCodecContext *avctx)
+{
+ av_frame_free(&avctx->coded_frame);
+
+ return 0;
+}
+
+#if CONFIG_R210_ENCODER
+AVCodec ff_r210_encoder = {
+ .name = "r210",
+ .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_R210,
+ .init = encode_init,
+ .encode2 = encode_frame,
+ .close = encode_close,
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
+};
+#endif
+#if CONFIG_R10K_ENCODER
+AVCodec ff_r10k_encoder = {
+ .name = "r10k",
+ .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_R10K,
+ .init = encode_init,
+ .encode2 = encode_frame,
+ .close = encode_close,
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
+};
+#endif
+#if CONFIG_AVRP_ENCODER
+AVCodec ff_avrp_encoder = {
+ .name = "avrp",
+ .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_AVRP,
+ .init = encode_init,
+ .encode2 = encode_frame,
+ .close = encode_close,
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
+};
+#endif
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