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https://gitee.com/openharmony/third_party_ffmpeg
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Merge remote-tracking branch 'qatar/master'
* qatar/master: avconv: Replace goto redo on decode fail with continue. avconv: Remove dead store. libx264: add 'crf_max' private option. libx264: add 'weightp' private option. libx264: add 'rc_lookahead' private option. libx264: add 'psy_trellis' private option. libx264: add 'psy_rd' private option. libx264: add 'aq_strength' private option. libx264: add 'aq_mode' private option. libx264: add 'cqp' private option. libx264: add 'crf' private option. lavc: remove vbv_delay option lavf utils: Fix bad indentation. avconv: use av_clip_int16 for audio clipping Conflicts: libavcodec/libx264.c libavcodec/options.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
bd4640375e
8
avconv.c
8
avconv.c
@ -1687,7 +1687,6 @@ static int output_packet(InputStream *ist, int ist_index,
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}
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break;
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}
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ret = avpkt.size;
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avpkt.size = 0;
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}
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@ -1698,9 +1697,7 @@ static int output_packet(InputStream *ist, int ist_index,
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volp = samples;
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for(i=0;i<(decoded_data_size / sizeof(short));i++) {
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int v = ((*volp) * audio_volume + 128) >> 8;
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if (v < -32768) v = -32768;
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if (v > 32767) v = 32767;
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*volp++ = v;
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*volp++ = av_clip_int16(v);
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}
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}
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}
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@ -2307,7 +2304,6 @@ static int transcode(OutputFile *output_files,
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int64_t ipts_min;
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double opts_min;
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redo:
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ipts_min = INT64_MAX;
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opts_min= 1e100;
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/* if 'q' pressed, exits */
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@ -2473,7 +2469,7 @@ static int transcode(OutputFile *output_files,
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if (exit_on_error)
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exit_program(1);
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av_free_packet(&pkt);
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goto redo;
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continue;
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}
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discard_packet:
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@ -2425,19 +2425,23 @@ typedef struct AVCodecContext {
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*/
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int brd_scale;
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#if FF_API_X264_GLOBAL_OPTS
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/**
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* constant rate factor - quality-based VBR - values ~correspond to qps
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* - encoding: Set by user.
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* - decoding: unused
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* @deprecated use 'crf' libx264 private option
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*/
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float crf;
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attribute_deprecated float crf;
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/**
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* constant quantization parameter rate control method
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* - encoding: Set by user.
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* - decoding: unused
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* @deprecated use 'cqp' libx264 private option
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*/
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int cqp;
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attribute_deprecated int cqp;
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#endif
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/**
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* minimum GOP size
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@ -2756,6 +2760,7 @@ typedef struct AVCodecContext {
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*/
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int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
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#if FF_API_X264_GLOBAL_OPTS
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/**
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* explicit P-frame weighted prediction analysis method
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* 0: off
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@ -2764,7 +2769,7 @@ typedef struct AVCodecContext {
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* - encoding: Set by user.
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* - decoding: unused
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*/
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int weighted_p_pred;
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attribute_deprecated int weighted_p_pred;
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/**
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* AQ mode
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@ -2774,7 +2779,7 @@ typedef struct AVCodecContext {
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* - encoding: Set by user
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* - decoding: unused
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*/
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int aq_mode;
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attribute_deprecated int aq_mode;
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/**
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* AQ strength
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@ -2782,7 +2787,7 @@ typedef struct AVCodecContext {
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* - encoding: Set by user
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* - decoding: unused
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*/
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float aq_strength;
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attribute_deprecated float aq_strength;
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/**
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* PSY RD
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@ -2790,7 +2795,7 @@ typedef struct AVCodecContext {
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* - encoding: Set by user
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* - decoding: unused
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*/
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float psy_rd;
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attribute_deprecated float psy_rd;
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/**
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* PSY trellis
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@ -2798,7 +2803,7 @@ typedef struct AVCodecContext {
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* - encoding: Set by user
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* - decoding: unused
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*/
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float psy_trellis;
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attribute_deprecated float psy_trellis;
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/**
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* RC lookahead
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@ -2806,7 +2811,7 @@ typedef struct AVCodecContext {
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* - encoding: Set by user
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* - decoding: unused
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*/
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int rc_lookahead;
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attribute_deprecated int rc_lookahead;
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/**
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* Constant rate factor maximum
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@ -2815,7 +2820,8 @@ typedef struct AVCodecContext {
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* - encoding: Set by user.
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* - decoding: unused
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*/
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float crf_max;
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attribute_deprecated float crf_max;
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#endif
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int log_level_offset;
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@ -23,6 +23,7 @@
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#include "avcodec.h"
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#include "internal.h"
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#include <x264.h>
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#include <float.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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@ -42,8 +43,17 @@ typedef struct X264Context {
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char *level;
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int fastfirstpass;
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char *stats;
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char *weightp;
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char *wpredp;
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char *x264opts;
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float crf;
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float crf_max;
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int cqp;
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int aq_mode;
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float aq_strength;
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float psy_rd;
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float psy_trellis;
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int rc_lookahead;
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int weightp;
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} X264Context;
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static void X264_log(void *p, int level, const char *fmt, va_list args)
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@ -278,13 +288,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
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x4->params.analyse.i_me_method = X264_ME_TESA;
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else x4->params.analyse.i_me_method = X264_ME_HEX;
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x4->params.rc.i_aq_mode = avctx->aq_mode;
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x4->params.rc.f_aq_strength = avctx->aq_strength;
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x4->params.rc.i_lookahead = avctx->rc_lookahead;
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x4->params.analyse.b_psy = avctx->flags2 & CODEC_FLAG2_PSY;
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x4->params.analyse.f_psy_rd = avctx->psy_rd;
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x4->params.analyse.f_psy_trellis = avctx->psy_trellis;
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x4->params.analyse.i_me_range = avctx->me_range;
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x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
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@ -316,7 +320,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
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x4->params.p_log_private = avctx;
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x4->params.i_log_level = X264_LOG_DEBUG;
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OPT_STR("weightp", x4->weightp);
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OPT_STR("weightp", x4->wpredp);
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x4->params.b_intra_refresh = avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH;
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if (avctx->bit_rate) {
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@ -329,6 +333,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
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if (avctx->flags & CODEC_FLAG_PASS2) {
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x4->params.rc.b_stat_read = 1;
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} else {
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#if FF_API_X264_GLOBAL_OPTS
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if (avctx->crf) {
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x4->params.rc.i_rc_method = X264_RC_CRF;
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x4->params.rc.f_rf_constant = avctx->crf;
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@ -337,6 +342,18 @@ static av_cold int X264_init(AVCodecContext *avctx)
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x4->params.rc.i_rc_method = X264_RC_CQP;
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x4->params.rc.i_qp_constant = avctx->cqp;
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}
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#endif
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if (x4->crf >= 0) {
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x4->params.rc.i_rc_method = X264_RC_CRF;
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x4->params.rc.f_rf_constant = x4->crf;
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} else if (x4->cqp >= 0) {
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x4->params.rc.i_rc_method = X264_RC_CQP;
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x4->params.rc.i_qp_constant = x4->cqp;
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}
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if (x4->crf_max >= 0)
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x4->params.rc.f_rf_constant_max = x4->crf_max;
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}
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OPT_STR("stats", x4->stats);
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@ -360,6 +377,36 @@ static av_cold int X264_init(AVCodecContext *avctx)
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}
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}
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#if FF_API_X264_GLOBAL_OPTS
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if (avctx->aq_mode >= 0)
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x4->params.rc.i_aq_mode = avctx->aq_mode;
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if (avctx->aq_strength >= 0)
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x4->params.rc.f_aq_strength = avctx->aq_strength;
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if (avctx->psy_rd >= 0)
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x4->params.analyse.f_psy_rd = avctx->psy_rd;
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if (avctx->psy_trellis >= 0)
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x4->params.analyse.f_psy_trellis = avctx->psy_trellis;
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if (avctx->rc_lookahead >= 0)
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x4->params.rc.i_lookahead = avctx->rc_lookahead;
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if (avctx->weighted_p_pred >= 0)
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x4->params.analyse.i_weighted_pred = avctx->weighted_p_pred;
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#endif
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if (x4->aq_mode >= 0)
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x4->params.rc.i_aq_mode = x4->aq_mode;
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if (x4->aq_strength >= 0)
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x4->params.rc.f_aq_strength = x4->aq_strength;
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if (x4->psy_rd >= 0)
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x4->params.analyse.f_psy_rd = x4->psy_rd;
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if (x4->psy_trellis >= 0)
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x4->params.analyse.f_psy_trellis = x4->psy_trellis;
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if (x4->rc_lookahead >= 0)
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x4->params.rc.i_lookahead = x4->rc_lookahead;
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if (x4->weightp >= 0)
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x4->params.analyse.i_weighted_pred = x4->weightp;
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if (x4->fastfirstpass)
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x264_param_apply_fastfirstpass(&x4->params);
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@ -398,7 +445,9 @@ static av_cold int X264_init(AVCodecContext *avctx)
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avctx->has_b_frames = x4->params.i_bframe ?
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x4->params.i_bframe_pyramid ? 2 : 1 : 0;
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avctx->bit_rate = x4->params.rc.i_bitrate*1000;
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#if FF_API_X264_GLOBAL_OPTS
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avctx->crf = x4->params.rc.f_rf_constant;
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#endif
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x4->enc = x264_encoder_open(&x4->params);
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if (!x4->enc)
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@ -433,8 +482,23 @@ static const AVOption options[] = {
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{ "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), FF_OPT_TYPE_INT, { 1 }, 0, 1, VE},
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{"level", "Specify level (as defined by Annex A)", OFFSET(level), FF_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
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{"passlogfile", "Filename for 2 pass stats", OFFSET(stats), FF_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
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{"wpredp", "Weighted prediction for P-frames", OFFSET(weightp), FF_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
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{"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), FF_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
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{"x264opts", "x264 options", OFFSET(x264opts), FF_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
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{ "crf", "Select the quality for constant quality mode", OFFSET(crf), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
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{ "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
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{ "cqp", "Constant quantization parameter rate control method",OFFSET(cqp), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
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{ "aq_mode", "AQ method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "aq_mode"},
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{ "none", NULL, 0, FF_OPT_TYPE_CONST, {X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
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{ "variance", "Variance AQ (complexity mask)", 0, FF_OPT_TYPE_CONST, {X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
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{ "autovariance", "Auto-variance AQ (experimental)", 0, FF_OPT_TYPE_CONST, {X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
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{ "aq_strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), FF_OPT_TYPE_FLOAT, {-1}, -1, FLT_MAX, VE},
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{ "pdy_rd", "Psy RD strength.", OFFSET(psy_rd), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE},
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{ "psy_trellis", "Psy trellis strength", OFFSET(psy_trellis), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE},
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{ "rc_lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
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{ "weightp", "Weighted prediction analysis method.", OFFSET(weightp), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "weightp" },
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{ "none", NULL, 0, FF_OPT_TYPE_CONST, {X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
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{ "simple", NULL, 0, FF_OPT_TYPE_CONST, {X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
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{ "smart", NULL, 0, FF_OPT_TYPE_CONST, {X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
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{ NULL },
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};
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@ -141,7 +141,9 @@ static const AVOption options[]={
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{"b_qfactor", "qp factor between p and b frames", OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, {.dbl = 1.25 }, -FLT_MAX, FLT_MAX, V|E},
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{"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
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{"b_strategy", "strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V|E},
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{"wpredp", "weighted prediction analysis method", OFFSET(weighted_p_pred), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V|E},
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#if FF_API_X264_GLOBAL_OPTS
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{"wpredp", "weighted prediction analysis method", OFFSET(weighted_p_pred), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, V|E},
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#endif
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{"ps", "rtp payload size in bytes", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
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{"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
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{"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
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@ -375,8 +377,10 @@ static const AVOption options[]={
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{"all" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_ALL }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
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{"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, 4, V|E},
|
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{"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, 10, V|E},
|
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#if FF_API_X264_GLOBAL_OPTS
|
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{"crf", "enables constant quality mode, and selects the quality (x264/VP8)", OFFSET(crf), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 63, V|E},
|
||||
{"cqp", "constant quantization parameter rate control method", OFFSET(cqp), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, V|E},
|
||||
#endif
|
||||
{"keyint_min", "minimum interval between IDR-frames", OFFSET(keyint_min), FF_OPT_TYPE_INT, {.dbl = 25 }, INT_MIN, INT_MAX, V|E},
|
||||
{"refs", "reference frames to consider for motion compensation", OFFSET(refs), FF_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E},
|
||||
{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
||||
@ -435,14 +439,18 @@ static const AVOption options[]={
|
||||
{"color_range", NULL, OFFSET(color_range), FF_OPT_TYPE_INT, {.dbl = AVCOL_RANGE_UNSPECIFIED }, 0, AVCOL_RANGE_NB-1, V|E|D},
|
||||
{"chroma_sample_location", NULL, OFFSET(chroma_sample_location), FF_OPT_TYPE_INT, {.dbl = AVCHROMA_LOC_UNSPECIFIED }, 0, AVCHROMA_LOC_NB-1, V|E|D},
|
||||
{"psy", "use psycho visual optimization", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_PSY }, INT_MIN, INT_MAX, V|E, "flags2"},
|
||||
{"psy_rd", "specify psycho visual strength", OFFSET(psy_rd), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0, FLT_MAX, V|E},
|
||||
{"psy_trellis", "specify psycho visual trellis", OFFSET(psy_trellis), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, FLT_MAX, V|E},
|
||||
{"aq_mode", "specify aq method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, INT_MAX, V|E},
|
||||
{"aq_strength", "specify aq strength", OFFSET(aq_strength), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0, FLT_MAX, V|E},
|
||||
#if FF_API_X264_GLOBAL_OPTS
|
||||
{"psy_rd", "specify psycho visual strength", OFFSET(psy_rd), FF_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1, FLT_MAX, V|E},
|
||||
{"psy_trellis", "specify psycho visual trellis", OFFSET(psy_trellis), FF_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, V|E},
|
||||
{"aq_mode", "specify aq method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, INT_MAX, V|E},
|
||||
{"aq_strength", "specify aq strength", OFFSET(aq_strength), FF_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1, FLT_MAX, V|E},
|
||||
{"rc_lookahead", "specify number of frames to look ahead for frametype", OFFSET(rc_lookahead), FF_OPT_TYPE_INT, {.dbl = 40 }, 0, INT_MAX, V|E},
|
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#endif
|
||||
{"ssim", "ssim will be calculated during encoding", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_SSIM }, INT_MIN, INT_MAX, V|E, "flags2"},
|
||||
{"intra_refresh", "use periodic insertion of intra blocks instead of keyframes", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_INTRA_REFRESH }, INT_MIN, INT_MAX, V|E, "flags2"},
|
||||
#if FF_API_X264_GLOBAL_OPTS
|
||||
{"crf_max", "in crf mode, prevents vbv from lowering quality beyond this point", OFFSET(crf_max), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 51, V|E},
|
||||
#endif
|
||||
{"log_level_offset", "set the log level offset", OFFSET(log_level_offset), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX },
|
||||
#if FF_API_FLAC_GLOBAL_OPTS
|
||||
{"lpc_type", "deprecated, use flac-specific options", OFFSET(lpc_type), FF_OPT_TYPE_INT, {.dbl = AV_LPC_TYPE_DEFAULT }, AV_LPC_TYPE_DEFAULT, AV_LPC_TYPE_NB-1, A|E},
|
||||
@ -456,7 +464,6 @@ static const AVOption options[]={
|
||||
{"thread_type", "select multithreading type", OFFSET(thread_type), FF_OPT_TYPE_INT, {.dbl = FF_THREAD_SLICE|FF_THREAD_FRAME }, 0, INT_MAX, V|E|D, "thread_type"},
|
||||
{"slice", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_THREAD_SLICE }, INT_MIN, INT_MAX, V|E|D, "thread_type"},
|
||||
{"frame", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_THREAD_FRAME }, INT_MIN, INT_MAX, V|E|D, "thread_type"},
|
||||
{"vbv_delay", "initial buffer fill time in periods of 27Mhz clock", 0, FF_OPT_TYPE_INT64, {.dbl = 0 }, 0, INT64_MAX},
|
||||
{"audio_service_type", "audio service type", OFFSET(audio_service_type), FF_OPT_TYPE_INT, {.dbl = AV_AUDIO_SERVICE_TYPE_MAIN }, 0, AV_AUDIO_SERVICE_TYPE_NB-1, A|E, "audio_service_type"},
|
||||
{"ma", "Main Audio Service", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_MAIN }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
||||
{"ef", "Effects", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EFFECTS }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
||||
|
||||
@ -83,5 +83,8 @@
|
||||
#ifndef FF_API_AVCODEC_INIT
|
||||
#define FF_API_AVCODEC_INIT (LIBAVCODEC_VERSION_MAJOR < 54)
|
||||
#endif
|
||||
#ifndef FF_API_X264_GLOBAL_OPTS
|
||||
#define FF_API_X264_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
|
||||
#endif
|
||||
|
||||
#endif /* AVCODEC_VERSION_H */
|
||||
|
||||
@ -610,7 +610,7 @@ static int init_input(AVFormatContext *s, const char *filename)
|
||||
return 0;
|
||||
|
||||
if ((ret = avio_open(&s->pb, filename, AVIO_FLAG_READ)) < 0)
|
||||
return ret;
|
||||
return ret;
|
||||
if (s->iformat)
|
||||
return 0;
|
||||
return av_probe_input_buffer(s->pb, &s->iformat, filename, s, 0, 0);
|
||||
@ -1175,7 +1175,7 @@ static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
|
||||
st->cur_pkt.data = NULL;
|
||||
assert(st->cur_len == 0);
|
||||
}else{
|
||||
pkt->destruct = NULL;
|
||||
pkt->destruct = NULL;
|
||||
}
|
||||
compute_pkt_fields(s, st, st->parser, pkt);
|
||||
|
||||
@ -1793,7 +1793,7 @@ int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int f
|
||||
return -1;
|
||||
|
||||
st= s->streams[stream_index];
|
||||
/* timestamp for default must be expressed in AV_TIME_BASE units */
|
||||
/* timestamp for default must be expressed in AV_TIME_BASE units */
|
||||
timestamp = av_rescale(timestamp, st->time_base.den, AV_TIME_BASE * (int64_t)st->time_base.num);
|
||||
}
|
||||
|
||||
@ -1999,39 +1999,40 @@ static void estimate_timings_from_pts(AVFormatContext *ic, int64_t old_offset)
|
||||
filesize = ic->file_size;
|
||||
end_time = AV_NOPTS_VALUE;
|
||||
do{
|
||||
offset = filesize - (DURATION_MAX_READ_SIZE<<retry);
|
||||
if (offset < 0)
|
||||
offset = 0;
|
||||
offset = filesize - (DURATION_MAX_READ_SIZE<<retry);
|
||||
if (offset < 0)
|
||||
offset = 0;
|
||||
|
||||
avio_seek(ic->pb, offset, SEEK_SET);
|
||||
read_size = 0;
|
||||
for(;;) {
|
||||
if (read_size >= DURATION_MAX_READ_SIZE<<(FFMAX(retry-1,0)))
|
||||
break;
|
||||
avio_seek(ic->pb, offset, SEEK_SET);
|
||||
read_size = 0;
|
||||
for(;;) {
|
||||
if (read_size >= DURATION_MAX_READ_SIZE<<(FFMAX(retry-1,0)))
|
||||
break;
|
||||
|
||||
do{
|
||||
ret = av_read_packet(ic, pkt);
|
||||
}while(ret == AVERROR(EAGAIN));
|
||||
if (ret != 0)
|
||||
break;
|
||||
read_size += pkt->size;
|
||||
st = ic->streams[pkt->stream_index];
|
||||
if (pkt->pts != AV_NOPTS_VALUE &&
|
||||
(st->start_time != AV_NOPTS_VALUE ||
|
||||
st->first_dts != AV_NOPTS_VALUE)) {
|
||||
duration = end_time = pkt->pts;
|
||||
if (st->start_time != AV_NOPTS_VALUE) duration -= st->start_time;
|
||||
else duration -= st->first_dts;
|
||||
if (duration < 0)
|
||||
duration += 1LL<<st->pts_wrap_bits;
|
||||
if (duration > 0) {
|
||||
if (st->duration == AV_NOPTS_VALUE ||
|
||||
st->duration < duration)
|
||||
st->duration = duration;
|
||||
do {
|
||||
ret = av_read_packet(ic, pkt);
|
||||
} while(ret == AVERROR(EAGAIN));
|
||||
if (ret != 0)
|
||||
break;
|
||||
read_size += pkt->size;
|
||||
st = ic->streams[pkt->stream_index];
|
||||
if (pkt->pts != AV_NOPTS_VALUE &&
|
||||
(st->start_time != AV_NOPTS_VALUE ||
|
||||
st->first_dts != AV_NOPTS_VALUE)) {
|
||||
duration = end_time = pkt->pts;
|
||||
if (st->start_time != AV_NOPTS_VALUE)
|
||||
duration -= st->start_time;
|
||||
else
|
||||
duration -= st->first_dts;
|
||||
if (duration < 0)
|
||||
duration += 1LL<<st->pts_wrap_bits;
|
||||
if (duration > 0) {
|
||||
if (st->duration == AV_NOPTS_VALUE || st->duration < duration)
|
||||
st->duration = duration;
|
||||
}
|
||||
}
|
||||
av_free_packet(pkt);
|
||||
}
|
||||
av_free_packet(pkt);
|
||||
}
|
||||
}while( end_time==AV_NOPTS_VALUE
|
||||
&& filesize > (DURATION_MAX_READ_SIZE<<retry)
|
||||
&& ++retry <= DURATION_MAX_RETRY);
|
||||
@ -4049,7 +4050,7 @@ int avformat_query_codec(AVOutputFormat *ofmt, enum CodecID codec_id, int std_co
|
||||
return !!av_codec_get_tag(ofmt->codec_tag, codec_id);
|
||||
else if (codec_id == ofmt->video_codec || codec_id == ofmt->audio_codec ||
|
||||
codec_id == ofmt->subtitle_codec)
|
||||
return 1;
|
||||
return 1;
|
||||
}
|
||||
return AVERROR_PATCHWELCOME;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user