Hi!
Attached patch fixes ticket #7600.
Please comment, Carl Eugen
From 90492e635c461f328a18cb6a55a71206f9cd5aeb Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffm...@gmail.com>
Date: Thu, 10 Jan 2019 21:56:28 +0100
Subject: [PATCH] lavc/libaomenc: Support lossless encoding.
Tested-by: Ewout ter Hoeven
---
libavcodec/libaomenc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c
index faec61c..244c71a 100644
--- a/libavcodec/libaomenc.c
+++ b/libavcodec/libaomenc.c
@@ -79,6 +79,7 @@ typedef struct AOMEncoderContext {
aom_superblock_size_t superblock_size;
int uniform_tiles;
int row_mt;
+ int lossless;
} AOMContext;
static const char *const ctlidstr[] = {
@@ -96,6 +97,7 @@ static const char *const ctlidstr[] = {
#ifdef AOM_CTRL_AV1E_SET_ROW_MT
[AV1E_SET_ROW_MT] = "AV1E_SET_ROW_MT",
#endif
+ [AV1E_SET_LOSSLESS] = "AV1E_SET_LOSSLESS",
};
static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
@@ -662,6 +664,7 @@ static av_cold int aom_init(AVCodecContext *avctx,
#ifdef AOM_CTRL_AV1E_SET_ROW_MT
codecctl_int(avctx, AV1E_SET_ROW_MT, ctx->row_mt);
#endif
+ codecctl_int(avctx, AV1E_SET_LOSSLESS, ctx->lossless);
// provide dummy value to initialize wrapper, values will be updated each _encode()
aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
@@ -997,6 +1000,7 @@ static const AVOption options[] = {
{ "tile-columns", "Log2 of number of tile columns to use", OFFSET(tile_cols_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
{ "tile-rows", "Log2 of number of tile rows to use", OFFSET(tile_rows_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
{ "row-mt", "Enable row based multi-threading", OFFSET(row_mt), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VE},
+ { "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VE},
{ NULL }
};
--
1.7.10.4
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