Signed-off-by: Wang Cao <wang...@google.com> --- doc/encoders.texi | 39 +++++++++++++++++++++++++++++++++++ libavcodec/libaomenc.c | 47 ++++++++++++++++++++++++++++++++++++++++++ libavcodec/version.h | 2 +- 3 files changed, 87 insertions(+), 1 deletion(-)
diff --git a/doc/encoders.texi b/doc/encoders.texi index 18bfe8f2eb..e32fecdca3 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -1606,6 +1606,45 @@ Enable the use of global motion for block prediction. Default is true. Enable block copy mode for intra block prediction. This mode is useful for screen content. Default is true. +@item enable-superres (@emph{boolean}) +Enable super-resolution during the encoding process. + +@item superres-mode (@emph{mode}) +Select super-resolution mode. + +@table @option +@item none (@emph{0}) +No frame superres allowed. + +@item fixed (@emph{1}) +All frames are coded at the specified scale and super-resolved. + +@item random (@emph{2}) +All frames are coded at a random scale and super-resolved. + +@item qthresh (@emph{3}) +Superres scale for a frame is determined based on q_index. + +@item auto (@emph{4}) +Automatically select superres for appropriate frames. +@end table + +@item superres_denominator +The denominator for superres to use when @option{superres-mode} is @option{fixed}. Valid value +ranges from 8 to 16. + +@item superres_kf_denominator +The denominator for superres to use on key frames when +@option{superres-mode} is @option{fixed}. Valid value ranges from 8 to 16. + +@item superres_qthresh +The q level threshold after which superres is used when @option{superres-mode} is +@option{qthresh}. Valid value ranges from 1 to 63. + +@item superres_kf_qthresh +The q level threshold after which superres is used for key frames when +@option{superres-mode} is @option{qthresh}. Valid value ranges from 1 to 63. + @end table @section libkvazaar diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c index 20b0e5c8e9..8552813a8a 100644 --- a/libavcodec/libaomenc.c +++ b/libavcodec/libaomenc.c @@ -95,6 +95,12 @@ typedef struct AOMEncoderContext { int enable_restoration; int usage; int tune; + int enable_superres; + int superres_mode; + int superres_denominator; + int superres_qthresh; + int superres_kf_denominator; + int superres_kf_qthresh; } AOMContext; static const char *const ctlidstr[] = { @@ -134,6 +140,16 @@ static const char *const ctlidstr[] = { #endif [AV1E_SET_ENABLE_CDEF] = "AV1E_SET_ENABLE_CDEF", [AOME_SET_TUNING] = "AOME_SET_TUNING", + [AV1E_SET_ENABLE_SUPERRES] = "AV1E_SET_ENABLE_SUPERRES", +}; + +enum AOMSuperresModes { + AOM_SUPERRES_MODE_NONE = 0, + AOM_SUPERRES_MODE_FIXED = 1, + AOM_SUPERRES_MODE_RANDOM = 2, + AOM_SUPERRES_MODE_QTHRESH = 3, + AOM_SUPERRES_MODE_AUTO = 4, + AOM_SUPERRES_MODE_NB }; static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc) @@ -203,6 +219,13 @@ static av_cold void dump_enc_cfg(AVCodecContext *avctx, width, "tile_width_count:", cfg->tile_width_count, width, "tile_height_count:", cfg->tile_height_count); av_log(avctx, level, "\n"); + av_log(avctx, level, "super resolution settings\n" + " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n ", + width, "rc_superres_mode:", cfg->rc_superres_mode, + width, "rc_superres_denominator:", cfg->rc_superres_denominator, + width, "rc_superres_qthresh:", cfg->rc_superres_qthresh, + width, "rc_superres_kf_denominator:", cfg->rc_superres_kf_denominator, + width, "rc_superres_kf_qthresh:", cfg->rc_superres_kf_qthresh); } static void coded_frame_add(void *list, struct FrameListData *cx_frame) @@ -545,6 +568,17 @@ static av_cold int aom_init(AVCodecContext *avctx, return AVERROR(EINVAL); } + if (ctx->superres_mode >= 0) + enccfg.rc_superres_mode = ctx->superres_mode; + if (ctx->superres_qthresh > 0) + enccfg.rc_superres_qthresh = ctx->superres_qthresh; + if (ctx->superres_kf_qthresh > 0) + enccfg.rc_superres_kf_qthresh = ctx->superres_kf_qthresh; + if (ctx->superres_denominator >= 0) + enccfg.rc_superres_denominator = ctx->superres_denominator; + if (ctx->superres_kf_denominator >= 0) + enccfg.rc_superres_kf_denominator = ctx->superres_kf_denominator; + dump_enc_cfg(avctx, &enccfg); enccfg.g_w = avctx->width; @@ -687,6 +721,8 @@ static av_cold int aom_init(AVCodecContext *avctx, // codec control failures are currently treated only as warnings av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n"); codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used); + if (ctx->enable_superres >= 0) + codecctl_int(avctx, AV1E_SET_ENABLE_SUPERRES, ctx->enable_superres); if (ctx->auto_alt_ref >= 0) codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref); if (ctx->arnr_max_frames >= 0) @@ -1103,6 +1139,17 @@ static const AVOption options[] = { { "tune", "The metric that encoder tunes. Automatically choosen by the encoder by default", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, AOM_TUNE_SSIM, VE, "tune"}, { "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_PSNR}, 0, 0, VE, "tune"}, { "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, "tune"}, + { "enable-superres", "Enable super-resolution mode", OFFSET(enable_superres), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE}, + { "superres-mode", "Select super-resultion mode", OFFSET(superres_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, AOM_SUPERRES_MODE_NB-1, VE, "superres_mode"}, + { "none", "No frame superres allowed", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_SUPERRES_MODE_NONE}, 0, 0, VE, "superres_mode"}, + { "fixed", "All frames are coded at the specified scale and super-resolved", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_SUPERRES_MODE_FIXED}, 0, 0, VE, "superres_mode"}, + { "random", "All frames are coded at a random scale and super-resolved.", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_SUPERRES_MODE_RANDOM}, 0, 0, VE, "superres_mode"}, + { "qthresh", "Superres scale for a frame is determined based on q_index", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_SUPERRES_MODE_QTHRESH}, 0, 0, VE, "superres_mode"}, + { "auto", "Automatically select superres for appropriate frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_SUPERRES_MODE_AUTO}, 0, 0, VE, "superres_mode"}, + { "superres-denominator", "The denominator for superres to use.", OFFSET(superres_denominator), AV_OPT_TYPE_INT, {.i64 = 8}, 8, 16, VE}, + { "superres-qthresh", "The q level threshold after which superres is used", OFFSET(superres_qthresh), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE}, + { "superres-kf-denominator", "The denominator for superres to use on key frames.", OFFSET(superres_kf_denominator), AV_OPT_TYPE_INT, {.i64 = 8}, 8, 16, VE}, + { "superres-kf-qthresh", "The q level threshold after which superres is used for key frames.", OFFSET(superres_kf_qthresh), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE}, { NULL }, }; diff --git a/libavcodec/version.h b/libavcodec/version.h index dadca75430..6c791d628d 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -29,7 +29,7 @@ #define LIBAVCODEC_VERSION_MAJOR 58 #define LIBAVCODEC_VERSION_MINOR 77 -#define LIBAVCODEC_VERSION_MICRO 102 +#define LIBAVCODEC_VERSION_MICRO 103 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ LIBAVCODEC_VERSION_MINOR, \ -- 2.26.0.292.g33ef6b2f38-goog _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".