diff options
| -rw-r--r-- | libavcodec/proresenc_kostya.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/libavcodec/proresenc_kostya.c b/libavcodec/proresenc_kostya.c index c30c9c013e..9f7c03efca 100644 --- a/libavcodec/proresenc_kostya.c +++ b/libavcodec/proresenc_kostya.c @@ -40,6 +40,7 @@ #define MAX_PLANES 4 enum { + PRORES_PROFILE_AUTO = -1, PRORES_PROFILE_PROXY = 0, PRORES_PROFILE_LT, PRORES_PROFILE_STANDARD, @@ -1146,7 +1147,21 @@ static av_cold int encode_init(AVCodecContext *avctx) "there should be an integer power of two MBs per slice\n"); return AVERROR(EINVAL); } + if (ctx->profile == PRORES_PROFILE_AUTO) { + ctx->profile = av_pix_fmt_desc_get(avctx->pix_fmt)->flags & AV_PIX_FMT_FLAG_ALPHA + ? PRORES_PROFILE_4444 : PRORES_PROFILE_HQ; + av_log(avctx, AV_LOG_INFO, "Autoselected %s. It can be overridden " + "through -profile option.\n", ctx->profile == PRORES_PROFILE_4444 + ? "4:4:4:4 profile because of the alpha channel" + : "HQ profile to keep best quality"); + } if (av_pix_fmt_desc_get(avctx->pix_fmt)->flags & AV_PIX_FMT_FLAG_ALPHA) { + if (ctx->profile != PRORES_PROFILE_4444) { + // force alpha and warn + av_log(avctx, AV_LOG_WARNING, "Profile selected will not " + "encode alpha. Override with -profile if needed.\n"); + ctx->alpha_bits = 0; + } if (ctx->alpha_bits & 7) { av_log(avctx, AV_LOG_ERROR, "alpha bits should be 0, 8 or 16\n"); return AVERROR(EINVAL); @@ -1280,8 +1295,10 @@ static const AVOption options[] = { { "mbs_per_slice", "macroblocks per slice", OFFSET(mbs_per_slice), AV_OPT_TYPE_INT, { .i64 = 8 }, 1, MAX_MBS_PER_SLICE, VE }, { "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT, - { .i64 = PRORES_PROFILE_STANDARD }, - PRORES_PROFILE_PROXY, PRORES_PROFILE_4444, VE, "profile" }, + { .i64 = PRORES_PROFILE_AUTO }, + PRORES_PROFILE_AUTO, PRORES_PROFILE_4444, VE, "profile" }, + { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_AUTO }, + 0, 0, VE, "profile" }, { "proxy", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_PROXY }, 0, 0, VE, "profile" }, { "lt", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_LT }, |