diff options
Diffstat (limited to 'core/av_common.c')
| -rw-r--r-- | core/av_common.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/core/av_common.c b/core/av_common.c deleted file mode 100644 index a4dc525aa9..0000000000 --- a/core/av_common.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * This file is part of mpv. - * - * mpv is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * mpv 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with mpv. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <assert.h> - -#include <libavutil/common.h> -#include <libavcodec/avcodec.h> - -#include "core/mp_talloc.h" -#include "demux/demux_packet.h" -#include "av_common.h" -#include "codecs.h" - - -// Copy the codec-related fields from st into avctx. This does not set the -// codec itself, only codec related header data provided by libavformat. -// The goal is to initialize a new decoder with the header data provided by -// libavformat, and unlike avcodec_copy_context(), allow the user to create -// a clean AVCodecContext for a manually selected AVCodec. -// This is strictly for decoding only. -void mp_copy_lav_codec_headers(AVCodecContext *avctx, AVCodecContext *st) -{ - if (st->extradata_size) { - av_free(avctx->extradata); - avctx->extradata_size = 0; - avctx->extradata = - av_mallocz(st->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); - if (avctx->extradata) { - avctx->extradata_size = st->extradata_size; - memcpy(avctx->extradata, st->extradata, st->extradata_size); - } - } - avctx->codec_tag = st->codec_tag; - avctx->stream_codec_tag = st->stream_codec_tag; - avctx->bit_rate = st->bit_rate; - avctx->width = st->width; - avctx->height = st->height; - avctx->pix_fmt = st->pix_fmt; - avctx->sample_aspect_ratio = st->sample_aspect_ratio; - avctx->chroma_sample_location = st->chroma_sample_location; - avctx->sample_rate = st->sample_rate; - avctx->channels = st->channels; - avctx->block_align = st->block_align; - avctx->channel_layout = st->channel_layout; - avctx->audio_service_type = st->audio_service_type; - avctx->bits_per_coded_sample = st->bits_per_coded_sample; -} - -// Set dst from mpkt. Note that dst is not refcountable. -// mpkt can be NULL to generate empty packets (used to flush delayed data). -// Does not set pts or duration fields. -void mp_set_av_packet(AVPacket *dst, struct demux_packet *mpkt) -{ - av_init_packet(dst); - dst->data = mpkt ? mpkt->buffer : NULL; - dst->size = mpkt ? mpkt->len : 0; - /* Some codecs (ZeroCodec, some cases of PNG) may want keyframe info - * from demuxer. */ - if (mpkt && mpkt->keyframe) - dst->flags |= AV_PKT_FLAG_KEY; - if (mpkt && mpkt->avpacket) { - dst->side_data = mpkt->avpacket->side_data; - dst->side_data_elems = mpkt->avpacket->side_data_elems; - } -} - -void mp_add_lavc_decoders(struct mp_decoder_list *list, enum AVMediaType type) -{ - AVCodec *cur = NULL; - for (;;) { - cur = av_codec_next(cur); - if (!cur) - break; - if (av_codec_is_decoder(cur) && cur->type == type) { - mp_add_decoder(list, "lavc", mp_codec_from_av_codec_id(cur->id), - cur->name, cur->long_name); - } - } -} - -int mp_codec_to_av_codec_id(const char *codec) -{ - int id = AV_CODEC_ID_NONE; - if (codec) { - const AVCodecDescriptor *desc = avcodec_descriptor_get_by_name(codec); - if (desc) - id = desc->id; - if (id == AV_CODEC_ID_NONE) { - AVCodec *avcodec = avcodec_find_decoder_by_name(codec); - if (avcodec) - id = avcodec->id; - } - } - return id; -} - -const char *mp_codec_from_av_codec_id(int codec_id) -{ - const char *name = NULL; - const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id); - if (desc) - name = desc->name; - if (!name) { - AVCodec *avcodec = avcodec_find_decoder(codec_id); - if (avcodec) - name = avcodec->name; - } - return name; -} |