diff options
Diffstat (limited to 'libvpx/vp8/vp8_cx_iface.c')
| -rw-r--r-- | libvpx/vp8/vp8_cx_iface.c | 68 |
1 files changed, 52 insertions, 16 deletions
diff --git a/libvpx/vp8/vp8_cx_iface.c b/libvpx/vp8/vp8_cx_iface.c index d01d2095f..1394f2adc 100644 --- a/libvpx/vp8/vp8_cx_iface.c +++ b/libvpx/vp8/vp8_cx_iface.c @@ -18,6 +18,7 @@ #include "vpx_mem/vpx_mem.h" #include "vpx_ports/system_state.h" #include "vpx_ports/vpx_once.h" +#include "vpx_util/vpx_timestamp.h" #include "vp8/encoder/onyx_int.h" #include "vpx/vp8cx.h" #include "vp8/encoder/firstpass.h" @@ -75,6 +76,9 @@ struct vpx_codec_alg_priv { vpx_codec_priv_t base; vpx_codec_enc_cfg_t cfg; struct vp8_extracfg vp8_cfg; + vpx_rational64_t timestamp_ratio; + vpx_codec_pts_t pts_offset; + unsigned char pts_offset_initialized; VP8_CONFIG oxcf; struct VP8_COMP *cpi; unsigned char *cx_data; @@ -127,6 +131,22 @@ static vpx_codec_err_t update_error_state( if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean"); \ } while (0) +#if defined(_MSC_VER) +#define COMPILE_TIME_ASSERT(boolexp) \ + do { \ + char compile_time_assert[(boolexp) ? 1 : -1]; \ + (void)compile_time_assert; \ + } while (0) +#else /* !_MSC_VER */ +#define COMPILE_TIME_ASSERT(boolexp) \ + do { \ + struct { \ + unsigned int compile_time_assert : (boolexp) ? 1 : -1; \ + } compile_time_assert; \ + (void)compile_time_assert; \ + } while (0) +#endif /* _MSC_VER */ + static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t *ctx, const vpx_codec_enc_cfg_t *cfg, const struct vp8_extracfg *vp8_cfg, @@ -654,6 +674,12 @@ static vpx_codec_err_t vp8e_init(vpx_codec_ctx_t *ctx, res = validate_config(priv, &priv->cfg, &priv->vp8_cfg, 0); if (!res) { + priv->pts_offset_initialized = 0; + priv->timestamp_ratio.den = priv->cfg.g_timebase.den; + priv->timestamp_ratio.num = (int64_t)priv->cfg.g_timebase.num; + priv->timestamp_ratio.num *= TICKS_PER_SEC; + reduce_ratio(&priv->timestamp_ratio); + set_vp8e_config(&priv->oxcf, priv->cfg, priv->vp8_cfg, mr_cfg); priv->cpi = vp8_create_compressor(&priv->oxcf); if (!priv->cpi) res = VPX_CODEC_MEM_ERROR; @@ -718,12 +744,14 @@ static void pick_quickcompress_mode(vpx_codec_alg_priv_t *ctx, new_qc = MODE_BESTQUALITY; if (deadline) { + /* Convert duration parameter from stream timebase to microseconds */ uint64_t duration_us; - /* Convert duration parameter from stream timebase to microseconds */ - duration_us = (uint64_t)duration * 1000000 * - (uint64_t)ctx->cfg.g_timebase.num / - (uint64_t)ctx->cfg.g_timebase.den; + COMPILE_TIME_ASSERT(TICKS_PER_SEC > 1000000 && + (TICKS_PER_SEC % 1000000) == 0); + + duration_us = duration * (uint64_t)ctx->timestamp_ratio.num / + (ctx->timestamp_ratio.den * (TICKS_PER_SEC / 1000000)); /* If the deadline is more that the duration this frame is to be shown, * use good quality mode. Otherwise use realtime mode. @@ -802,6 +830,7 @@ static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx, volatile vpx_codec_err_t res = VPX_CODEC_OK; // Make a copy as volatile to avoid -Wclobbered with longjmp. volatile vpx_enc_frame_flags_t flags = enc_flags; + volatile vpx_codec_pts_t pts_val = pts; if (!ctx->cfg.rc_target_bitrate) { #if CONFIG_MULTI_RES_ENCODING @@ -822,6 +851,12 @@ static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx, if (!res) res = validate_config(ctx, &ctx->cfg, &ctx->vp8_cfg, 1); + if (!ctx->pts_offset_initialized) { + ctx->pts_offset = pts_val; + ctx->pts_offset_initialized = 1; + } + pts_val -= ctx->pts_offset; + pick_quickcompress_mode(ctx, duration, deadline); vpx_codec_pkt_list_init(&ctx->pkt_list); @@ -871,11 +906,10 @@ static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx, /* Convert API flags to internal codec lib flags */ lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0; - /* vp8 use 10,000,000 ticks/second as time stamp */ dst_time_stamp = - pts * 10000000 * ctx->cfg.g_timebase.num / ctx->cfg.g_timebase.den; - dst_end_time_stamp = (pts + duration) * 10000000 * ctx->cfg.g_timebase.num / - ctx->cfg.g_timebase.den; + pts_val * ctx->timestamp_ratio.num / ctx->timestamp_ratio.den; + dst_end_time_stamp = (pts_val + (int64_t)duration) * + ctx->timestamp_ratio.num / ctx->timestamp_ratio.den; if (img != NULL) { res = image2yuvconfig(img, &sd); @@ -914,15 +948,17 @@ static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx, VP8_COMP *cpi = (VP8_COMP *)ctx->cpi; /* Add the frame packet to the list of returned packets. */ - round = (vpx_codec_pts_t)10000000 * ctx->cfg.g_timebase.num / 2 - 1; + round = (vpx_codec_pts_t)ctx->timestamp_ratio.num / 2; + if (round > 0) --round; delta = (dst_end_time_stamp - dst_time_stamp); pkt.kind = VPX_CODEC_CX_FRAME_PKT; pkt.data.frame.pts = - (dst_time_stamp * ctx->cfg.g_timebase.den + round) / - ctx->cfg.g_timebase.num / 10000000; + (dst_time_stamp * ctx->timestamp_ratio.den + round) / + ctx->timestamp_ratio.num + + ctx->pts_offset; pkt.data.frame.duration = - (unsigned long)((delta * ctx->cfg.g_timebase.den + round) / - ctx->cfg.g_timebase.num / 10000000); + (unsigned long)((delta * ctx->timestamp_ratio.den + round) / + ctx->timestamp_ratio.num); pkt.data.frame.flags = lib_flags << 16; pkt.data.frame.width[0] = cpi->common.Width; pkt.data.frame.height[0] = cpi->common.Height; @@ -941,9 +977,9 @@ static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx, * Invisible frames have no duration. */ pkt.data.frame.pts = - ((cpi->last_time_stamp_seen * ctx->cfg.g_timebase.den + round) / - ctx->cfg.g_timebase.num / 10000000) + - 1; + ((cpi->last_time_stamp_seen * ctx->timestamp_ratio.den + round) / + ctx->timestamp_ratio.num) + + ctx->pts_offset + 1; pkt.data.frame.duration = 0; } |