2008-05-03 16:59:45 +03:00
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/*
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* Dirac encoder support via Schroedinger libraries
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* Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com >
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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2010-04-20 17:45:34 +03:00
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* @file
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2008-05-03 16:59:45 +03:00
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* Dirac encoder support via libschroedinger-1.0 libraries. More details about
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* the Schroedinger project can be found at http://www.diracvideo.org/.
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* The library implements Dirac Specification Version 2.2
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* (http://dirac.sourceforge.net/specification.html).
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*/
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#include <schroedinger/schro.h>
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#include <schroedinger/schrodebug.h>
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#include <schroedinger/schrovideoformat.h>
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2012-07-23 05:00:01 +03:00
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#include "libavutil/avassert.h"
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2008-05-03 16:59:45 +03:00
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#include "avcodec.h"
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2012-02-20 15:21:58 +03:00
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#include "internal.h"
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2008-05-03 16:59:45 +03:00
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#include "libschroedinger.h"
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2010-05-06 00:37:58 +03:00
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#include "bytestream.h"
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2008-05-03 16:59:45 +03:00
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/** libschroedinger encoder private data */
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2011-10-30 15:19:50 +03:00
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typedef struct SchroEncoderParams {
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2008-05-03 16:59:45 +03:00
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/** Schroedinger video format */
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SchroVideoFormat *format;
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/** Schroedinger frame format */
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SchroFrameFormat frame_format;
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/** frame being encoded */
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AVFrame picture;
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/** frame size */
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int frame_size;
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/** Schroedinger encoder handle*/
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SchroEncoder* encoder;
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2008-07-12 23:12:18 +03:00
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/** buffer to store encoder output before writing it to the frame queue*/
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unsigned char *enc_buf;
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/** Size of encoder buffer*/
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int enc_buf_size;
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2008-05-03 16:59:45 +03:00
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/** queue storing encoded frames */
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2012-04-14 16:24:57 +03:00
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FFSchroQueue enc_frame_queue;
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2008-05-03 16:59:45 +03:00
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/** end of sequence signalled */
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int eos_signalled;
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/** end of sequence pulled */
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int eos_pulled;
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2012-02-20 15:21:58 +03:00
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/* counter for frames submitted to encoder, used as dts */
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int64_t dts;
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2011-10-30 15:19:50 +03:00
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} SchroEncoderParams;
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2008-05-03 16:59:45 +03:00
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/**
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* Works out Schro-compatible chroma format.
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*/
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2013-02-24 21:15:12 +03:00
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static int set_chroma_format(AVCodecContext *avctx)
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2008-05-03 16:59:45 +03:00
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{
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2011-10-30 15:19:50 +03:00
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int num_formats = sizeof(schro_pixel_format_map) /
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sizeof(schro_pixel_format_map[0]);
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2008-05-03 16:59:45 +03:00
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int idx;
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2013-02-24 21:15:12 +03:00
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SchroEncoderParams *p_schro_params = avctx->priv_data;
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2008-05-03 16:59:45 +03:00
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for (idx = 0; idx < num_formats; ++idx) {
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2013-02-24 21:15:12 +03:00
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if (schro_pixel_format_map[idx].ff_pix_fmt == avctx->pix_fmt) {
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2008-05-03 16:59:45 +03:00
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p_schro_params->format->chroma_format =
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2011-10-30 15:19:50 +03:00
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schro_pixel_format_map[idx].schro_pix_fmt;
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2008-05-03 16:59:45 +03:00
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return 0;
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}
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}
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2013-02-24 21:15:12 +03:00
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av_log(avctx, AV_LOG_ERROR,
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2009-08-15 14:42:15 +03:00
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"This codec currently only supports planar YUV 4:2:0, 4:2:2"
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" and 4:4:4 formats.\n");
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2008-05-03 16:59:45 +03:00
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return -1;
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}
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2013-02-24 21:15:12 +03:00
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static int libschroedinger_encode_init(AVCodecContext *avctx)
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2008-05-03 16:59:45 +03:00
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{
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2013-02-24 21:15:12 +03:00
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SchroEncoderParams *p_schro_params = avctx->priv_data;
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2008-05-03 16:59:45 +03:00
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SchroVideoFormatEnum preset;
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/* Initialize the libraries that libschroedinger depends on. */
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schro_init();
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/* Create an encoder object. */
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p_schro_params->encoder = schro_encoder_new();
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if (!p_schro_params->encoder) {
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2013-02-24 21:15:12 +03:00
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av_log(avctx, AV_LOG_ERROR,
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2008-05-03 16:59:45 +03:00
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"Unrecoverable Error: schro_encoder_new failed. ");
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return -1;
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}
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/* Initialize the format. */
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2013-02-24 21:15:12 +03:00
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preset = ff_get_schro_video_format_preset(avctx);
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2008-05-03 16:59:45 +03:00
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p_schro_params->format =
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schro_encoder_get_video_format(p_schro_params->encoder);
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2009-08-15 14:42:15 +03:00
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schro_video_format_set_std_video_format(p_schro_params->format, preset);
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2013-02-24 21:15:12 +03:00
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p_schro_params->format->width = avctx->width;
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p_schro_params->format->height = avctx->height;
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2008-05-03 16:59:45 +03:00
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2013-02-24 21:15:12 +03:00
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if (set_chroma_format(avctx) == -1)
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2008-05-03 16:59:45 +03:00
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return -1;
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2013-02-24 21:15:12 +03:00
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if (avctx->color_primaries == AVCOL_PRI_BT709) {
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2010-05-06 00:38:02 +03:00
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p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_HDTV;
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2013-02-24 21:15:12 +03:00
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} else if (avctx->color_primaries == AVCOL_PRI_BT470BG) {
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2010-05-06 00:38:02 +03:00
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p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_625;
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2013-02-24 21:15:12 +03:00
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} else if (avctx->color_primaries == AVCOL_PRI_SMPTE170M) {
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2010-05-06 00:38:02 +03:00
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p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_525;
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}
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2013-02-24 21:15:12 +03:00
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if (avctx->colorspace == AVCOL_SPC_BT709) {
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2010-05-06 00:38:02 +03:00
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p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_HDTV;
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2013-02-24 21:15:12 +03:00
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} else if (avctx->colorspace == AVCOL_SPC_BT470BG) {
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2010-05-06 00:38:02 +03:00
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p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_SDTV;
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}
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2013-02-24 21:15:12 +03:00
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if (avctx->color_trc == AVCOL_TRC_BT709) {
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2010-05-06 00:38:02 +03:00
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p_schro_params->format->transfer_function = SCHRO_TRANSFER_CHAR_TV_GAMMA;
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}
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2008-05-03 16:59:45 +03:00
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if (ff_get_schro_frame_format(p_schro_params->format->chroma_format,
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&p_schro_params->frame_format) == -1) {
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2013-02-24 21:15:12 +03:00
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av_log(avctx, AV_LOG_ERROR,
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2009-08-15 14:42:15 +03:00
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"This codec currently supports only planar YUV 4:2:0, 4:2:2"
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" and 4:4:4 formats.\n");
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2008-05-03 16:59:45 +03:00
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return -1;
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}
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2013-02-24 21:15:12 +03:00
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p_schro_params->format->frame_rate_numerator = avctx->time_base.den;
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p_schro_params->format->frame_rate_denominator = avctx->time_base.num;
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2008-05-03 16:59:45 +03:00
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2013-02-24 21:15:12 +03:00
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p_schro_params->frame_size = avpicture_get_size(avctx->pix_fmt,
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avctx->width,
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avctx->height);
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2008-05-03 16:59:45 +03:00
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2013-02-24 21:15:12 +03:00
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avctx->coded_frame = &p_schro_params->picture;
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2008-05-03 16:59:45 +03:00
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2013-02-24 21:15:12 +03:00
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if (!avctx->gop_size) {
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2009-08-15 14:42:15 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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"gop_structure",
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SCHRO_ENCODER_GOP_INTRA_ONLY);
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2008-09-09 17:47:47 +03:00
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2013-02-24 21:15:12 +03:00
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if (avctx->coder_type == FF_CODER_TYPE_VLC)
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2009-08-15 14:42:15 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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"enable_noarith", 1);
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} else {
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2010-05-06 00:02:45 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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2013-02-24 21:15:12 +03:00
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"au_distance", avctx->gop_size);
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avctx->has_b_frames = 1;
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2012-02-20 15:21:58 +03:00
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p_schro_params->dts = -1;
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2008-05-03 16:59:45 +03:00
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}
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/* FIXME - Need to handle SCHRO_ENCODER_RATE_CONTROL_LOW_DELAY. */
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2013-02-24 21:15:12 +03:00
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if (avctx->flags & CODEC_FLAG_QSCALE) {
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if (!avctx->global_quality) {
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2008-05-03 16:59:45 +03:00
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/* lossless coding */
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2009-08-15 14:42:15 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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"rate_control",
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SCHRO_ENCODER_RATE_CONTROL_LOSSLESS);
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2008-05-03 16:59:45 +03:00
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} else {
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2010-05-06 00:02:41 +03:00
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int quality;
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2009-08-15 14:42:15 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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"rate_control",
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2010-05-06 00:02:41 +03:00
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SCHRO_ENCODER_RATE_CONTROL_CONSTANT_QUALITY);
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2008-05-03 16:59:45 +03:00
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2013-02-24 21:15:12 +03:00
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quality = avctx->global_quality / FF_QP2LAMBDA;
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2010-05-06 00:02:41 +03:00
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if (quality > 10)
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quality = 10;
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2009-08-15 14:42:15 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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2010-05-06 00:02:41 +03:00
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"quality", quality);
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2008-05-03 16:59:45 +03:00
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}
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2009-08-15 14:42:15 +03:00
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} else {
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schro_encoder_setting_set_double(p_schro_params->encoder,
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"rate_control",
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SCHRO_ENCODER_RATE_CONTROL_CONSTANT_BITRATE);
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2008-05-03 16:59:45 +03:00
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2009-08-15 14:42:15 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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2013-02-24 21:15:12 +03:00
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"bitrate", avctx->bit_rate);
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2008-05-03 16:59:45 +03:00
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}
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2013-02-24 21:15:12 +03:00
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if (avctx->flags & CODEC_FLAG_INTERLACED_ME)
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2008-05-03 16:59:45 +03:00
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/* All material can be coded as interlaced or progressive
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irrespective of the type of source material. */
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2009-08-15 14:42:15 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder,
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"interlaced_coding", 1);
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2008-05-03 16:59:45 +03:00
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2010-05-06 00:02:49 +03:00
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schro_encoder_setting_set_double(p_schro_params->encoder, "open_gop",
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2013-02-24 21:15:12 +03:00
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!(avctx->flags & CODEC_FLAG_CLOSED_GOP));
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2010-05-06 00:02:49 +03:00
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2008-05-03 16:59:45 +03:00
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/* FIXME: Signal range hardcoded to 8-bit data until both libschroedinger
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* and libdirac support other bit-depth data. */
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schro_video_format_set_std_signal_range(p_schro_params->format,
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SCHRO_SIGNAL_RANGE_8BIT_VIDEO);
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/* Set the encoder format. */
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schro_encoder_set_video_format(p_schro_params->encoder,
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p_schro_params->format);
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/* Set the debug level. */
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2013-02-24 21:15:12 +03:00
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schro_debug_set_level(avctx->debug);
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2008-05-03 16:59:45 +03:00
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2009-08-15 14:42:15 +03:00
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schro_encoder_start(p_schro_params->encoder);
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2008-05-03 16:59:45 +03:00
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/* Initialize the encoded frame queue. */
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2012-04-14 16:24:57 +03:00
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ff_schro_queue_init(&p_schro_params->enc_frame_queue);
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2009-08-15 14:42:15 +03:00
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return 0;
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2008-05-03 16:59:45 +03:00
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}
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2013-02-24 21:15:12 +03:00
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static SchroFrame *libschroedinger_frame_from_data(AVCodecContext *avctx,
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2012-02-20 15:21:58 +03:00
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const AVFrame *frame)
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2008-05-03 16:59:45 +03:00
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{
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2013-02-24 21:15:12 +03:00
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SchroEncoderParams *p_schro_params = avctx->priv_data;
|
2008-05-03 16:59:45 +03:00
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SchroFrame *in_frame;
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/* Input line size may differ from what the codec supports. Especially
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* when transcoding from one format to another. So use avpicture_layout
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* to copy the frame. */
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2013-02-24 21:15:12 +03:00
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in_frame = ff_create_schro_frame(avctx, p_schro_params->frame_format);
|
2009-08-15 14:59:53 +03:00
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if (in_frame)
|
2013-02-24 21:15:12 +03:00
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avpicture_layout((const AVPicture *)frame, avctx->pix_fmt,
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avctx->width, avctx->height,
|
2009-08-15 14:59:53 +03:00
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in_frame->components[0].data,
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p_schro_params->frame_size);
|
2008-05-03 16:59:45 +03:00
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return in_frame;
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}
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|
2012-04-14 16:39:22 +03:00
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static void libschroedinger_free_frame(void *data)
|
2008-05-03 16:59:45 +03:00
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{
|
2012-04-14 16:24:57 +03:00
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|
FFSchroEncodedFrame *enc_frame = data;
|
2008-05-03 16:59:45 +03:00
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|
2012-01-07 21:07:42 +03:00
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av_freep(&enc_frame->p_encbuf);
|
2008-05-03 16:59:45 +03:00
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av_free(enc_frame);
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}
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|
2013-02-24 21:15:12 +03:00
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|
static int libschroedinger_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
2012-02-20 15:21:58 +03:00
|
|
|
const AVFrame *frame, int *got_packet)
|
2008-05-03 16:59:45 +03:00
|
|
|
{
|
|
|
|
int enc_size = 0;
|
2013-02-24 21:15:12 +03:00
|
|
|
SchroEncoderParams *p_schro_params = avctx->priv_data;
|
2008-05-03 16:59:45 +03:00
|
|
|
SchroEncoder *encoder = p_schro_params->encoder;
|
2012-04-14 16:24:57 +03:00
|
|
|
struct FFSchroEncodedFrame *p_frame_output = NULL;
|
2008-05-03 16:59:45 +03:00
|
|
|
int go = 1;
|
|
|
|
SchroBuffer *enc_buf;
|
|
|
|
int presentation_frame;
|
|
|
|
int parse_code;
|
2008-07-12 23:12:18 +03:00
|
|
|
int last_frame_in_sequence = 0;
|
2012-02-20 15:21:58 +03:00
|
|
|
int pkt_size, ret;
|
2008-05-03 16:59:45 +03:00
|
|
|
|
2012-02-20 15:21:58 +03:00
|
|
|
if (!frame) {
|
2008-05-03 16:59:45 +03:00
|
|
|
/* Push end of sequence if not already signalled. */
|
|
|
|
if (!p_schro_params->eos_signalled) {
|
|
|
|
schro_encoder_end_of_stream(encoder);
|
|
|
|
p_schro_params->eos_signalled = 1;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* Allocate frame data to schro input buffer. */
|
2013-02-24 21:15:12 +03:00
|
|
|
SchroFrame *in_frame = libschroedinger_frame_from_data(avctx, frame);
|
2008-05-03 16:59:45 +03:00
|
|
|
/* Load next frame. */
|
|
|
|
schro_encoder_push_frame(encoder, in_frame);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (p_schro_params->eos_pulled)
|
|
|
|
go = 0;
|
|
|
|
|
|
|
|
/* Now check to see if we have any output from the encoder. */
|
|
|
|
while (go) {
|
2009-08-15 14:42:15 +03:00
|
|
|
SchroStateEnum state;
|
2008-05-03 16:59:45 +03:00
|
|
|
state = schro_encoder_wait(encoder);
|
2009-08-15 14:42:15 +03:00
|
|
|
switch (state) {
|
2008-05-03 16:59:45 +03:00
|
|
|
case SCHRO_STATE_HAVE_BUFFER:
|
|
|
|
case SCHRO_STATE_END_OF_STREAM:
|
2009-08-15 14:42:15 +03:00
|
|
|
enc_buf = schro_encoder_pull(encoder, &presentation_frame);
|
2012-07-23 05:00:01 +03:00
|
|
|
av_assert0(enc_buf->length > 0);
|
2008-07-12 23:12:18 +03:00
|
|
|
parse_code = enc_buf->data[4];
|
|
|
|
|
|
|
|
/* All non-frame data is prepended to actual frame data to
|
|
|
|
* be able to set the pts correctly. So we don't write data
|
|
|
|
* to the frame output queue until we actually have a frame
|
|
|
|
*/
|
2009-08-15 14:42:15 +03:00
|
|
|
p_schro_params->enc_buf = av_realloc(p_schro_params->enc_buf,
|
|
|
|
p_schro_params->enc_buf_size + enc_buf->length);
|
2008-07-12 23:12:18 +03:00
|
|
|
|
2009-08-15 14:42:15 +03:00
|
|
|
memcpy(p_schro_params->enc_buf + p_schro_params->enc_buf_size,
|
2008-07-12 23:12:18 +03:00
|
|
|
enc_buf->data, enc_buf->length);
|
|
|
|
p_schro_params->enc_buf_size += enc_buf->length;
|
|
|
|
|
|
|
|
|
|
|
|
if (state == SCHRO_STATE_END_OF_STREAM) {
|
|
|
|
p_schro_params->eos_pulled = 1;
|
|
|
|
go = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!SCHRO_PARSE_CODE_IS_PICTURE(parse_code)) {
|
2009-08-15 14:42:15 +03:00
|
|
|
schro_buffer_unref(enc_buf);
|
2008-07-12 23:12:18 +03:00
|
|
|
break;
|
|
|
|
}
|
2008-05-03 16:59:45 +03:00
|
|
|
|
|
|
|
/* Create output frame. */
|
2012-04-14 16:24:57 +03:00
|
|
|
p_frame_output = av_mallocz(sizeof(FFSchroEncodedFrame));
|
2008-05-03 16:59:45 +03:00
|
|
|
/* Set output data. */
|
2008-07-12 23:12:18 +03:00
|
|
|
p_frame_output->size = p_schro_params->enc_buf_size;
|
|
|
|
p_frame_output->p_encbuf = p_schro_params->enc_buf;
|
2008-05-03 16:59:45 +03:00
|
|
|
if (SCHRO_PARSE_CODE_IS_INTRA(parse_code) &&
|
2009-08-15 14:12:47 +03:00
|
|
|
SCHRO_PARSE_CODE_IS_REFERENCE(parse_code))
|
2008-05-03 16:59:45 +03:00
|
|
|
p_frame_output->key_frame = 1;
|
|
|
|
|
|
|
|
/* Parse the coded frame number from the bitstream. Bytes 14
|
|
|
|
* through 17 represesent the frame number. */
|
2010-05-06 00:37:58 +03:00
|
|
|
p_frame_output->frame_num = AV_RB32(enc_buf->data + 13);
|
2008-05-03 16:59:45 +03:00
|
|
|
|
2012-04-14 16:24:57 +03:00
|
|
|
ff_schro_queue_push_back(&p_schro_params->enc_frame_queue,
|
|
|
|
p_frame_output);
|
2008-07-12 23:12:18 +03:00
|
|
|
p_schro_params->enc_buf_size = 0;
|
|
|
|
p_schro_params->enc_buf = NULL;
|
|
|
|
|
2009-08-15 14:42:15 +03:00
|
|
|
schro_buffer_unref(enc_buf);
|
2008-05-03 16:59:45 +03:00
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SCHRO_STATE_NEED_FRAME:
|
|
|
|
go = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SCHRO_STATE_AGAIN:
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2013-02-24 21:15:12 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Unknown Schro Encoder state\n");
|
2008-05-03 16:59:45 +03:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy 'next' frame in queue. */
|
2008-07-12 23:12:18 +03:00
|
|
|
|
|
|
|
if (p_schro_params->enc_frame_queue.size == 1 &&
|
|
|
|
p_schro_params->eos_pulled)
|
|
|
|
last_frame_in_sequence = 1;
|
|
|
|
|
2012-04-14 16:24:57 +03:00
|
|
|
p_frame_output = ff_schro_queue_pop(&p_schro_params->enc_frame_queue);
|
2008-05-03 16:59:45 +03:00
|
|
|
|
2009-08-15 14:02:50 +03:00
|
|
|
if (!p_frame_output)
|
2008-05-03 16:59:45 +03:00
|
|
|
return 0;
|
|
|
|
|
2012-02-20 15:21:58 +03:00
|
|
|
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;
|
2013-02-26 14:50:34 +03:00
|
|
|
if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size)) < 0)
|
2012-02-20 15:21:58 +03:00
|
|
|
goto error;
|
|
|
|
|
|
|
|
memcpy(pkt->data, p_frame_output->p_encbuf, p_frame_output->size);
|
2013-02-24 21:15:12 +03:00
|
|
|
avctx->coded_frame->key_frame = p_frame_output->key_frame;
|
2008-05-03 16:59:45 +03:00
|
|
|
/* 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. */
|
2012-02-20 15:21:58 +03:00
|
|
|
pkt->pts =
|
2013-02-24 21:15:12 +03:00
|
|
|
avctx->coded_frame->pts = p_frame_output->frame_num;
|
2012-02-20 15:21:58 +03:00
|
|
|
pkt->dts = p_schro_params->dts++;
|
2008-05-03 16:59:45 +03:00
|
|
|
enc_size = p_frame_output->size;
|
|
|
|
|
2008-07-12 23:12:18 +03:00
|
|
|
/* Append the end of sequence information to the last frame in the
|
|
|
|
* sequence. */
|
2009-08-15 14:42:15 +03:00
|
|
|
if (last_frame_in_sequence && p_schro_params->enc_buf_size > 0) {
|
2012-02-20 15:21:58 +03:00
|
|
|
memcpy(pkt->data + enc_size, p_schro_params->enc_buf,
|
2009-08-15 14:42:15 +03:00
|
|
|
p_schro_params->enc_buf_size);
|
2008-07-12 23:12:18 +03:00
|
|
|
enc_size += p_schro_params->enc_buf_size;
|
2009-08-15 14:42:15 +03:00
|
|
|
av_freep(&p_schro_params->enc_buf);
|
2008-07-12 23:12:18 +03:00
|
|
|
p_schro_params->enc_buf_size = 0;
|
|
|
|
}
|
|
|
|
|
2012-02-20 15:21:58 +03:00
|
|
|
if (p_frame_output->key_frame)
|
|
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
|
|
*got_packet = 1;
|
|
|
|
|
|
|
|
error:
|
2008-05-03 16:59:45 +03:00
|
|
|
/* free frame */
|
2012-04-14 16:39:22 +03:00
|
|
|
libschroedinger_free_frame(p_frame_output);
|
2012-02-20 15:21:58 +03:00
|
|
|
return ret;
|
2008-05-03 16:59:45 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2013-02-24 21:15:12 +03:00
|
|
|
static int libschroedinger_encode_close(AVCodecContext *avctx)
|
2008-05-03 16:59:45 +03:00
|
|
|
{
|
2013-02-24 21:15:12 +03:00
|
|
|
SchroEncoderParams *p_schro_params = avctx->priv_data;
|
2008-05-03 16:59:45 +03:00
|
|
|
|
2009-08-15 14:42:15 +03:00
|
|
|
/* Close the encoder. */
|
2008-05-03 16:59:45 +03:00
|
|
|
schro_encoder_free(p_schro_params->encoder);
|
|
|
|
|
|
|
|
/* Free data in the output frame queue. */
|
2012-04-14 16:24:57 +03:00
|
|
|
ff_schro_queue_free(&p_schro_params->enc_frame_queue,
|
2012-04-14 16:39:22 +03:00
|
|
|
libschroedinger_free_frame);
|
2008-05-03 16:59:45 +03:00
|
|
|
|
2008-07-12 23:12:18 +03:00
|
|
|
|
|
|
|
/* Free the encoder buffer. */
|
|
|
|
if (p_schro_params->enc_buf_size)
|
|
|
|
av_freep(&p_schro_params->enc_buf);
|
|
|
|
|
2008-05-03 16:59:45 +03:00
|
|
|
/* Free the video format structure. */
|
|
|
|
av_freep(&p_schro_params->format);
|
|
|
|
|
2009-08-15 14:42:15 +03:00
|
|
|
return 0;
|
2008-05-03 16:59:45 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-01-25 23:40:11 +02:00
|
|
|
AVCodec ff_libschroedinger_encoder = {
|
2011-07-17 13:54:31 +03:00
|
|
|
.name = "libschroedinger",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
2012-08-05 12:11:04 +03:00
|
|
|
.id = AV_CODEC_ID_DIRAC,
|
2011-10-30 15:19:50 +03:00
|
|
|
.priv_data_size = sizeof(SchroEncoderParams),
|
2011-07-17 13:54:31 +03:00
|
|
|
.init = libschroedinger_encode_init,
|
2012-02-20 15:21:58 +03:00
|
|
|
.encode2 = libschroedinger_encode_frame,
|
2011-07-17 13:54:31 +03:00
|
|
|
.close = libschroedinger_encode_close,
|
2012-04-06 19:19:39 +03:00
|
|
|
.capabilities = CODEC_CAP_DELAY,
|
2012-10-06 13:10:34 +03:00
|
|
|
.pix_fmts = (const enum AVPixelFormat[]){
|
|
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE
|
2012-04-06 19:19:39 +03:00
|
|
|
},
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"),
|
2008-05-03 16:59:45 +03:00
|
|
|
};
|