X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=libavcodec%2Flibschroedingerenc.c;h=f07c83e1052246505fde0fcfae9a401da8532c2d;hb=34e1b0754638ea6e0356239aad01e74de3a582a5;hp=71ce54ca399c3d4470ba494570b2d4a44bf8ab43;hpb=3d6fa004e83c0dcd9d9f71fc0c7a3aaf5e95b5ac;p=ffmpeg diff --git a/libavcodec/libschroedingerenc.c b/libavcodec/libschroedingerenc.c index 71ce54ca399..f07c83e1052 100644 --- a/libavcodec/libschroedingerenc.c +++ b/libavcodec/libschroedingerenc.c @@ -2,20 +2,20 @@ * Dirac encoder support via Schroedinger libraries * Copyright (c) 2008 BBC, Anuradha Suraparaju * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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, + * Libav 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 + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -35,12 +35,14 @@ #include #include "avcodec.h" +#include "internal.h" #include "libdirac_libschro.h" #include "libschroedinger.h" +#include "bytestream.h" /** libschroedinger encoder private data */ -typedef struct FfmpegSchroEncoderParams { +typedef struct SchroEncoderParams { /** Schroedinger video format */ SchroVideoFormat *format; @@ -63,31 +65,34 @@ typedef struct FfmpegSchroEncoderParams { int enc_buf_size; /** queue storing encoded frames */ - FfmpegDiracSchroQueue enc_frame_queue; + DiracSchroQueue enc_frame_queue; /** end of sequence signalled */ int eos_signalled; /** end of sequence pulled */ int eos_pulled; -} FfmpegSchroEncoderParams; + + /* counter for frames submitted to encoder, used as dts */ + int64_t dts; +} SchroEncoderParams; /** * Works out Schro-compatible chroma format. */ static int SetSchroChromaFormat(AVCodecContext *avccontext) { - int num_formats = sizeof(ffmpeg_schro_pixel_format_map) / - sizeof(ffmpeg_schro_pixel_format_map[0]); + int num_formats = sizeof(schro_pixel_format_map) / + sizeof(schro_pixel_format_map[0]); int idx; - FfmpegSchroEncoderParams* p_schro_params = avccontext->priv_data; + SchroEncoderParams *p_schro_params = avccontext->priv_data; for (idx = 0; idx < num_formats; ++idx) { - if (ffmpeg_schro_pixel_format_map[idx].ff_pix_fmt == + if (schro_pixel_format_map[idx].ff_pix_fmt == avccontext->pix_fmt) { p_schro_params->format->chroma_format = - ffmpeg_schro_pixel_format_map[idx].schro_pix_fmt; + schro_pixel_format_map[idx].schro_pix_fmt; return 0; } } @@ -101,7 +106,7 @@ static int SetSchroChromaFormat(AVCodecContext *avccontext) static int libschroedinger_encode_init(AVCodecContext *avccontext) { - FfmpegSchroEncoderParams* p_schro_params = avccontext->priv_data; + SchroEncoderParams *p_schro_params = avccontext->priv_data; SchroVideoFormatEnum preset; /* Initialize the libraries that libschroedinger depends on. */ @@ -127,6 +132,24 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext) if (SetSchroChromaFormat(avccontext) == -1) return -1; + if (avccontext->color_primaries == AVCOL_PRI_BT709) { + p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_HDTV; + } else if (avccontext->color_primaries == AVCOL_PRI_BT470BG) { + p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_625; + } else if (avccontext->color_primaries == AVCOL_PRI_SMPTE170M) { + p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_525; + } + + if (avccontext->colorspace == AVCOL_SPC_BT709) { + p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_HDTV; + } else if (avccontext->colorspace == AVCOL_SPC_BT470BG) { + p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_SDTV; + } + + if (avccontext->color_trc == AVCOL_TRC_BT709) { + p_schro_params->format->transfer_function = SCHRO_TRANSFER_CHAR_TV_GAMMA; + } + if (ff_get_schro_frame_format(p_schro_params->format->chroma_format, &p_schro_params->frame_format) == -1) { av_log(avccontext, AV_LOG_ERROR, @@ -156,6 +179,7 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext) schro_encoder_setting_set_double(p_schro_params->encoder, "au_distance", avccontext->gop_size); avccontext->has_b_frames = 1; + p_schro_params->dts = -1; } /* FIXME - Need to handle SCHRO_ENCODER_RATE_CONTROL_LOW_DELAY. */ @@ -194,6 +218,9 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext) schro_encoder_setting_set_double(p_schro_params->encoder, "interlaced_coding", 1); + schro_encoder_setting_set_double(p_schro_params->encoder, "open_gop", + !(avccontext->flags & CODEC_FLAG_CLOSED_GOP)); + /* FIXME: Signal range hardcoded to 8-bit data until both libschroedinger * and libdirac support other bit-depth data. */ schro_video_format_set_std_signal_range(p_schro_params->format, @@ -214,9 +241,9 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext) } static SchroFrame *libschroedinger_frame_from_data(AVCodecContext *avccontext, - void *in_data) + const AVFrame *frame) { - FfmpegSchroEncoderParams* p_schro_params = avccontext->priv_data; + SchroEncoderParams *p_schro_params = avccontext->priv_data; SchroFrame *in_frame; /* Input line size may differ from what the codec supports. Especially * when transcoding from one format to another. So use avpicture_layout @@ -224,7 +251,7 @@ static SchroFrame *libschroedinger_frame_from_data(AVCodecContext *avccontext, in_frame = ff_create_schro_frame(avccontext, p_schro_params->frame_format); if (in_frame) - avpicture_layout((AVPicture *)in_data, avccontext->pix_fmt, + avpicture_layout((const AVPicture *)frame, avccontext->pix_fmt, avccontext->width, avccontext->height, in_frame->components[0].data, p_schro_params->frame_size); @@ -234,27 +261,27 @@ static SchroFrame *libschroedinger_frame_from_data(AVCodecContext *avccontext, static void SchroedingerFreeFrame(void *data) { - FfmpegDiracSchroEncodedFrame *enc_frame = data; + DiracSchroEncodedFrame *enc_frame = data; - av_freep(&(enc_frame->p_encbuf)); + av_freep(&enc_frame->p_encbuf); av_free(enc_frame); } -static int libschroedinger_encode_frame(AVCodecContext *avccontext, - unsigned char *frame, - int buf_size, void *data) +static int libschroedinger_encode_frame(AVCodecContext *avccontext, AVPacket *pkt, + const AVFrame *frame, int *got_packet) { int enc_size = 0; - FfmpegSchroEncoderParams* p_schro_params = avccontext->priv_data; + SchroEncoderParams *p_schro_params = avccontext->priv_data; SchroEncoder *encoder = p_schro_params->encoder; - struct FfmpegDiracSchroEncodedFrame* p_frame_output = NULL; + struct DiracSchroEncodedFrame *p_frame_output = NULL; int go = 1; SchroBuffer *enc_buf; int presentation_frame; int parse_code; int last_frame_in_sequence = 0; + int pkt_size, ret; - if (!data) { + if (!frame) { /* Push end of sequence if not already signalled. */ if (!p_schro_params->eos_signalled) { schro_encoder_end_of_stream(encoder); @@ -263,7 +290,7 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext, } else { /* Allocate frame data to schro input buffer. */ SchroFrame *in_frame = libschroedinger_frame_from_data(avccontext, - data); + frame); /* Load next frame. */ schro_encoder_push_frame(encoder, in_frame); } @@ -306,7 +333,7 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext, } /* Create output frame. */ - p_frame_output = av_mallocz(sizeof(FfmpegDiracSchroEncodedFrame)); + p_frame_output = av_mallocz(sizeof(DiracSchroEncodedFrame)); /* Set output data. */ p_frame_output->size = p_schro_params->enc_buf_size; p_frame_output->p_encbuf = p_schro_params->enc_buf; @@ -316,10 +343,7 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext, /* Parse the coded frame number from the bitstream. Bytes 14 * through 17 represesent the frame number. */ - p_frame_output->frame_num = (enc_buf->data[13] << 24) + - (enc_buf->data[14] << 16) + - (enc_buf->data[15] << 8) + - enc_buf->data[16]; + p_frame_output->frame_num = AV_RB32(enc_buf->data + 13); ff_dirac_schro_queue_push_back(&p_schro_params->enc_frame_queue, p_frame_output); @@ -354,35 +378,48 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext, if (!p_frame_output) return 0; - memcpy(frame, p_frame_output->p_encbuf, p_frame_output->size); + pkt_size = p_frame_output->size; + if (last_frame_in_sequence && p_schro_params->enc_buf_size > 0) + pkt_size += p_schro_params->enc_buf_size; + if ((ret = ff_alloc_packet(pkt, pkt_size)) < 0) { + av_log(avccontext, AV_LOG_ERROR, "Error getting output packet of size %d.\n", pkt_size); + goto error; + } + + memcpy(pkt->data, p_frame_output->p_encbuf, p_frame_output->size); avccontext->coded_frame->key_frame = p_frame_output->key_frame; /* Use the frame number of the encoded frame as the pts. It is OK to * do so since Dirac is a constant frame rate codec. It expects input * to be of constant frame rate. */ + pkt->pts = avccontext->coded_frame->pts = p_frame_output->frame_num; + pkt->dts = p_schro_params->dts++; enc_size = p_frame_output->size; /* Append the end of sequence information to the last frame in the * sequence. */ if (last_frame_in_sequence && p_schro_params->enc_buf_size > 0) { - memcpy(frame + enc_size, p_schro_params->enc_buf, + memcpy(pkt->data + enc_size, p_schro_params->enc_buf, p_schro_params->enc_buf_size); enc_size += p_schro_params->enc_buf_size; av_freep(&p_schro_params->enc_buf); p_schro_params->enc_buf_size = 0; } + if (p_frame_output->key_frame) + pkt->flags |= AV_PKT_FLAG_KEY; + *got_packet = 1; + +error: /* free frame */ SchroedingerFreeFrame(p_frame_output); - - return enc_size; + return ret; } static int libschroedinger_encode_close(AVCodecContext *avccontext) { - - FfmpegSchroEncoderParams* p_schro_params = avccontext->priv_data; + SchroEncoderParams *p_schro_params = avccontext->priv_data; /* Close the encoder. */ schro_encoder_free(p_schro_params->encoder); @@ -403,15 +440,17 @@ static int libschroedinger_encode_close(AVCodecContext *avccontext) } -AVCodec libschroedinger_encoder = { - "libschroedinger", - AVMEDIA_TYPE_VIDEO, - CODEC_ID_DIRAC, - sizeof(FfmpegSchroEncoderParams), - libschroedinger_encode_init, - libschroedinger_encode_frame, - libschroedinger_encode_close, - .capabilities = CODEC_CAP_DELAY, - .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_NONE}, - .long_name = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"), +AVCodec ff_libschroedinger_encoder = { + .name = "libschroedinger", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_DIRAC, + .priv_data_size = sizeof(SchroEncoderParams), + .init = libschroedinger_encode_init, + .encode2 = libschroedinger_encode_frame, + .close = libschroedinger_encode_close, + .capabilities = CODEC_CAP_DELAY, + .pix_fmts = (const enum PixelFormat[]){ + PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_NONE + }, + .long_name = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"), };