| /* |
| * 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 }, |
| }; |