early-access version 1432

externals/ffmpeg/libavcodec/v210enc.c

@@ -0,0 +1,169 @@
+/*
+ * V210 encoder
+ *
+ * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot 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 "avcodec.h"
+#include "bytestream.h"
+#include "internal.h"
+#include "v210enc.h"
+
+#define TYPE uint8_t
+#define DEPTH 8
+#define BYTES_PER_PIXEL 1
+#define RENAME(a) a ## _ ## 8
+#include "v210_template.c"
+#undef RENAME
+#undef DEPTH
+#undef BYTES_PER_PIXEL
+#undef TYPE
+
+#define TYPE uint16_t
+#define DEPTH 10
+#define BYTES_PER_PIXEL 2
+#define RENAME(a) a ## _ ## 10
+#include "v210_template.c"
+#undef RENAME
+#undef DEPTH
+#undef BYTES_PER_PIXEL
+#undef TYPE
+
+static void v210_planar_pack_8_c(const uint8_t *y, const uint8_t *u,
+                                 const uint8_t *v, uint8_t *dst,
+                                 ptrdiff_t width)
+{
+    uint32_t val;
+    int i;
+
+    /* unroll this to match the assembly */
+    for (i = 0; i < width - 11; i += 12) {
+        WRITE_PIXELS(u, y, v, 8);
+        WRITE_PIXELS(y, u, y, 8);
+        WRITE_PIXELS(v, y, u, 8);
+        WRITE_PIXELS(y, v, y, 8);
+        WRITE_PIXELS(u, y, v, 8);
+        WRITE_PIXELS(y, u, y, 8);
+        WRITE_PIXELS(v, y, u, 8);
+        WRITE_PIXELS(y, v, y, 8);
+    }
+}
+
+static void v210_planar_pack_10_c(const uint16_t *y, const uint16_t *u,
+                                  const uint16_t *v, uint8_t *dst,
+                                  ptrdiff_t width)
+{
+    uint32_t val;
+    int i;
+
+    for (i = 0; i < width - 5; i += 6) {
+        WRITE_PIXELS(u, y, v, 10);
+        WRITE_PIXELS(y, u, y, 10);
+        WRITE_PIXELS(v, y, u, 10);
+        WRITE_PIXELS(y, v, y, 10);
+    }
+}
+
+av_cold void ff_v210enc_init(V210EncContext *s)
+{
+    s->pack_line_8  = v210_planar_pack_8_c;
+    s->pack_line_10 = v210_planar_pack_10_c;
+    s->sample_factor_8  = 2;
+    s->sample_factor_10 = 1;
+
+    if (ARCH_X86)
+        ff_v210enc_init_x86(s);
+}
+
+static av_cold int encode_init(AVCodecContext *avctx)
+{
+    V210EncContext *s = avctx->priv_data;
+
+    if (avctx->width & 1) {
+        av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
+        return AVERROR(EINVAL);
+    }
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+    ff_v210enc_init(s);
+
+    avctx->bits_per_coded_sample = 20;
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
+
+    return 0;
+}
+
+static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+                        const AVFrame *pic, int *got_packet)
+{
+    int aligned_width = ((avctx->width + 47) / 48) * 48;
+    int stride = aligned_width * 8 / 3;
+    AVFrameSideData *side_data;
+    int ret;
+    uint8_t *dst;
+
+    ret = ff_alloc_packet2(avctx, pkt, avctx->height * stride, avctx->height * stride);
+    if (ret < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+        return ret;
+    }
+    dst = pkt->data;
+
+    if (pic->format == AV_PIX_FMT_YUV422P10)
+        v210_enc_10(avctx, dst, pic);
+    else if(pic->format == AV_PIX_FMT_YUV422P)
+        v210_enc_8(avctx, dst, pic);
+
+    side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
+    if (side_data && side_data->size) {
+        uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
+        if (!buf)
+            return AVERROR(ENOMEM);
+        memcpy(buf, side_data->data, side_data->size);
+    }
+
+    side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD);
+    if (side_data && side_data->size) {
+        uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size);
+        if (!buf)
+            return AVERROR(ENOMEM);
+        memcpy(buf, side_data->data, side_data->size);
+    }
+
+    pkt->flags |= AV_PKT_FLAG_KEY;
+    *got_packet = 1;
+    return 0;
+}
+
+AVCodec ff_v210_encoder = {
+    .name           = "v210",
+    .long_name      = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_V210,
+    .priv_data_size = sizeof(V210EncContext),
+    .init           = encode_init,
+    .encode2        = encode_frame,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
+};