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@ -33,10 +33,10 @@ |
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#include "mpeg12.h" |
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#include "mpeg12data.h" |
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#include "bytestream.h" |
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#include "timecode.h" |
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#include "libavutil/log.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/timecode.h" |
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static const uint8_t inv_non_linear_qscale[13] = { |
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0, 2, 4, 6, 8, |
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@ -167,17 +167,20 @@ static av_cold int encode_init(AVCodecContext *avctx) |
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} |
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} |
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s->drop_frame_timecode = s->tc.drop = s->drop_frame_timecode || !!(avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE); |
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s->drop_frame_timecode = s->drop_frame_timecode || !!(avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE); |
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if (s->drop_frame_timecode) |
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s->tc.flags |= AV_TIMECODE_FLAG_DROPFRAME; |
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if (s->drop_frame_timecode && s->frame_rate_index != 4) { |
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av_log(avctx, AV_LOG_ERROR, "Drop frame time code only allowed with 1001/30000 fps\n"); |
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return -1; |
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} |
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if (s->tc.str) { |
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s->tc.rate = avpriv_frame_rate_tab[s->frame_rate_index]; |
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if (avpriv_init_smpte_timecode(s, &s->tc) < 0) |
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return -1; |
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s->drop_frame_timecode = s->tc.drop; |
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if (s->tc_opt_str) { |
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AVRational rate = avpriv_frame_rate_tab[s->frame_rate_index]; |
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int ret = av_timecode_init_from_string(&s->tc, rate, s->tc_opt_str, s); |
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if (ret < 0) |
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return ret; |
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s->drop_frame_timecode = !!(s->tc.flags & AV_TIMECODE_FLAG_DROPFRAME); |
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s->avctx->timecode_frame_start = s->tc.start; |
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} else { |
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s->avctx->timecode_frame_start = 0; // default is -1
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@ -295,9 +298,9 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s) |
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time_code = s->current_picture_ptr->f.coded_picture_number + s->avctx->timecode_frame_start; |
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s->gop_picture_number = s->current_picture_ptr->f.coded_picture_number; |
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av_assert0(s->drop_frame_timecode == s->tc.drop); |
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if (s->tc.drop) |
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time_code = avpriv_framenum_to_drop_timecode(time_code); |
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av_assert0(s->drop_frame_timecode == !!(s->tc.flags & AV_TIMECODE_FLAG_DROPFRAME)); |
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if (s->drop_frame_timecode) |
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time_code = av_timecode_adjust_ntsc_framenum(time_code); |
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put_bits(&s->pb, 5, (uint32_t)((time_code / (fps * 3600)) % 24)); |
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put_bits(&s->pb, 6, (uint32_t)((time_code / (fps * 60)) % 60)); |
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put_bits(&s->pb, 1, 1); |
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@ -928,7 +931,7 @@ static void mpeg1_encode_block(MpegEncContext *s, |
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#define OFFSET(x) offsetof(MpegEncContext, x) |
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#define VE AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM |
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#define COMMON_OPTS\ |
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{TIMECODE_OPT(MpegEncContext,\
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{AV_TIMECODE_OPTION(MpegEncContext, tc_opt_str, \
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AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)},\
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{ "intra_vlc", "Use MPEG-2 intra VLC table.", OFFSET(intra_vlc_format), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE },\
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{ "drop_frame_timecode", "Timecode is in drop frame format.", OFFSET(drop_frame_timecode), AV_OPT_TYPE_INT, { 0 }, 0, 1, VE}, \
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