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Code Issues Releases Activity

libavcodec/libaomenc.c: Added code for computing PSNR/SSIM

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Sam John 2018-09-28 15:09:05 -07:00 committed by James Almer
parent ccd2b20ad9
commit e265832c37
1 changed files with 59 additions and 5 deletions
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64
libavcodec/libaomenc.c
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@ -50,6 +50,9 @@ struct FrameListData {
unsigned long duration; /**< duration to show frame
(in timebase units) */
uint32_t flags; /**< flags for this frame */
uint64_t sse[4];
int have_sse; /**< true if we have pending sse[] */
uint64_t frame_number;
struct FrameListData *next;
};
@ -68,6 +71,9 @@ typedef struct AOMEncoderContext {
int static_thresh;
int drop_threshold;
int noise_sensitivity;
uint64_t sse[4];
int have_sse; /**< true if we have pending sse[] */
uint64_t frame_number;
} AOMContext;
static const char *const ctlidstr[] = {
@ -289,7 +295,12 @@ static av_cold int aom_init(AVCodecContext *avctx,
{
AOMContext *ctx = avctx->priv_data;
struct aom_codec_enc_cfg enccfg = { 0 };
#ifdef AOM_FRAME_IS_INTRAONLY
aom_codec_flags_t flags =
(avctx->flags & AV_CODEC_FLAG_PSNR) ? AOM_CODEC_USE_PSNR : 0;
#else
aom_codec_flags_t flags = 0;
#endif
AVCPBProperties *cpb_props;
int res;
aom_img_fmt_t img_fmt;
@ -498,7 +509,8 @@ static av_cold int aom_init(AVCodecContext *avctx,
return 0;
}
static inline void cx_pktcpy(struct FrameListData *dst,
static inline void cx_pktcpy(AOMContext *ctx,
struct FrameListData *dst,
const struct aom_codec_cx_pkt *src)
{
dst->pts = src->data.frame.pts;
@ -506,6 +518,17 @@ static inline void cx_pktcpy(struct FrameListData *dst,
dst->flags = src->data.frame.flags;
dst->sz = src->data.frame.sz;
dst->buf = src->data.frame.buf;
#ifdef AOM_FRAME_IS_INTRAONLY
dst->have_sse = 0;
dst->frame_number = ++ctx->frame_number;
dst->have_sse = ctx->have_sse;
if (ctx->have_sse) {
/* associate last-seen SSE to the frame. */
/* Transfers ownership from ctx to dst. */
memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
ctx->have_sse = 0;
}
#endif
}
/**
@ -519,6 +542,7 @@ static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
AVPacket *pkt)
{
AOMContext *ctx = avctx->priv_data;
int pict_type;
int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR,
@ -528,8 +552,27 @@ static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
memcpy(pkt->data, cx_frame->buf, pkt->size);
pkt->pts = pkt->dts = cx_frame->pts;
if (!!(cx_frame->flags & AOM_FRAME_IS_KEY))
if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) {
pkt->flags |= AV_PKT_FLAG_KEY;
#ifdef AOM_FRAME_IS_INTRAONLY
pict_type = AV_PICTURE_TYPE_I;
} else if (cx_frame->flags & AOM_FRAME_IS_INTRAONLY) {
pict_type = AV_PICTURE_TYPE_I;
} else {
pict_type = AV_PICTURE_TYPE_P;
}
ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
cx_frame->have_sse ? 3 : 0, pict_type);
if (cx_frame->have_sse) {
int i;
for (i = 0; i < 3; ++i) {
avctx->error[i] += cx_frame->sse[i + 1];
}
cx_frame->have_sse = 0;
#endif
}
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
ret = av_bsf_send_packet(ctx->bsf, pkt);
@ -585,7 +628,7 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
/* avoid storing the frame when the list is empty and we haven't yet
* provided a frame for output */
av_assert0(!ctx->coded_frame_list);
cx_pktcpy(&cx_frame, pkt);
cx_pktcpy(ctx, &cx_frame, pkt);
size = storeframe(avctx, &cx_frame, pkt_out);
if (size < 0)
return size;
@ -598,7 +641,7 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
"Frame queue element alloc failed\n");
return AVERROR(ENOMEM);
}
cx_pktcpy(cx_frame, pkt);
cx_pktcpy(ctx, cx_frame, pkt);
cx_frame->buf = av_malloc(cx_frame->sz);
if (!cx_frame->buf) {
@ -628,7 +671,18 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
stats->sz += pkt->data.twopass_stats.sz;
break;
}
case AOM_CODEC_PSNR_PKT: // FIXME add support for AV_CODEC_FLAG_PSNR
#ifdef AOM_FRAME_IS_INTRAONLY
case AOM_CODEC_PSNR_PKT:
{
av_assert0(!ctx->have_sse);
ctx->sse[0] = pkt->data.psnr.sse[0];
ctx->sse[1] = pkt->data.psnr.sse[1];
ctx->sse[2] = pkt->data.psnr.sse[2];
ctx->sse[3] = pkt->data.psnr.sse[3];
ctx->have_sse = 1;
break;
}
#endif
case AOM_CODEC_CUSTOM_PKT:
// ignore unsupported/unrecognized packet types
break;