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Diffstat (limited to 'libavcodec/libvpxenc.c')
-rw-r--r--libavcodec/libvpxenc.c102
1 files changed, 76 insertions, 26 deletions
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index f505d0ef43..2c9ae9ec9b 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -1,20 +1,20 @@
/*
* Copyright (c) 2010, Google, Inc.
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -30,6 +30,7 @@
#include "avcodec.h"
#include "internal.h"
+#include "libavutil/avassert.h"
#include "libavutil/base64.h"
#include "libavutil/common.h"
#include "libavutil/mathematics.h"
@@ -55,15 +56,27 @@ typedef struct VP8EncoderContext {
struct vpx_codec_ctx encoder;
struct vpx_image rawimg;
struct vpx_fixed_buf twopass_stats;
- unsigned long deadline; //i.e., RT/GOOD/BEST
+ int deadline; //i.e., RT/GOOD/BEST
struct FrameListData *coded_frame_list;
+
int cpu_used;
+ /**
+ * VP8 specific flags, see VP8F_* below.
+ */
+ int flags;
+#define VP8F_ERROR_RESILIENT 0x00000001 ///< Enable measures appropriate for streaming over lossy links
+#define VP8F_AUTO_ALT_REF 0x00000002 ///< Enable automatic alternate reference frame generation
+
int auto_alt_ref;
+
int arnr_max_frames;
int arnr_strength;
int arnr_type;
+
int lag_in_frames;
int error_resilient;
+ int crf;
+ int max_intra_rate;
} VP8Context;
/** String mappings for enum vp8e_enc_control_id */
@@ -84,6 +97,8 @@ static const char *const ctlidstr[] = {
[VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
[VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
[VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
+ [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
+ [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
};
static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
@@ -227,6 +242,13 @@ static av_cold int vp8_init(AVCodecContext *avctx)
vpx_codec_err_to_string(res));
return AVERROR(EINVAL);
}
+
+ if(!avctx->bit_rate)
+ if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
+ av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
+ return AVERROR(EINVAL);
+ }
+
dump_enc_cfg(avctx, &enccfg);
enccfg.g_w = avctx->width;
@@ -234,9 +256,7 @@ static av_cold int vp8_init(AVCodecContext *avctx)
enccfg.g_timebase.num = avctx->time_base.num;
enccfg.g_timebase.den = avctx->time_base.den;
enccfg.g_threads = avctx->thread_count;
-
- if (ctx->lag_in_frames >= 0)
- enccfg.g_lag_in_frames = ctx->lag_in_frames;
+ enccfg.g_lag_in_frames= ctx->lag_in_frames;
if (avctx->flags & CODEC_FLAG_PASS1)
enccfg.g_pass = VPX_RC_FIRST_PASS;
@@ -245,15 +265,25 @@ static av_cold int vp8_init(AVCodecContext *avctx)
else
enccfg.g_pass = VPX_RC_ONE_PASS;
- if (!avctx->bit_rate)
- avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
- else
- enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
- AV_ROUND_NEAR_INF);
-
if (avctx->rc_min_rate == avctx->rc_max_rate &&
- avctx->rc_min_rate == avctx->bit_rate)
+ avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate)
enccfg.rc_end_usage = VPX_CBR;
+ else if (ctx->crf)
+ enccfg.rc_end_usage = VPX_CQ;
+
+ if (avctx->bit_rate) {
+ enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
+ AV_ROUND_NEAR_INF);
+ } else {
+ if (enccfg.rc_end_usage == VPX_CQ) {
+ enccfg.rc_target_bitrate = 1000000;
+ } else {
+ avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
+ av_log(avctx, AV_LOG_WARNING,
+ "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
+ enccfg.rc_target_bitrate);
+ }
+ }
if (avctx->qmin > 0)
enccfg.rc_min_quantizer = avctx->qmin;
@@ -263,8 +293,9 @@ static av_cold int vp8_init(AVCodecContext *avctx)
//0-100 (0 => CBR, 100 => VBR)
enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
- enccfg.rc_2pass_vbr_minsection_pct =
- avctx->rc_min_rate * 100LL / avctx->bit_rate;
+ if (avctx->bit_rate)
+ enccfg.rc_2pass_vbr_minsection_pct =
+ avctx->rc_min_rate * 100LL / avctx->bit_rate;
if (avctx->rc_max_rate)
enccfg.rc_2pass_vbr_maxsection_pct =
avctx->rc_max_rate * 100LL / avctx->bit_rate;
@@ -276,6 +307,7 @@ static av_cold int vp8_init(AVCodecContext *avctx)
enccfg.rc_buf_initial_sz =
avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
+ enccfg.rc_undershoot_pct = round(avctx->rc_buffer_aggressivity * 100);
//_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
@@ -318,7 +350,7 @@ static av_cold int vp8_init(AVCodecContext *avctx)
if (avctx->profile != FF_PROFILE_UNKNOWN)
enccfg.g_profile = avctx->profile;
- enccfg.g_error_resilient = ctx->error_resilient;
+ enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT;
dump_enc_cfg(avctx, &enccfg);
/* Construct Encoder Context */
@@ -332,6 +364,8 @@ static av_cold int vp8_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
if (ctx->cpu_used != INT_MIN)
codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
+ if (ctx->flags & VP8F_AUTO_ALT_REF)
+ ctx->auto_alt_ref = 1;
if (ctx->auto_alt_ref >= 0)
codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
if (ctx->arnr_max_frames >= 0)
@@ -343,6 +377,11 @@ static av_cold int vp8_init(AVCodecContext *avctx)
codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction);
codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, avctx->mb_threshold);
+ codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
+ if (ctx->max_intra_rate >= 0)
+ codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate);
+
+ av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
//provide dummy value to initialize wrapper, values will be updated each _encode()
vpx_img_wrap(&ctx->rawimg, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
@@ -377,7 +416,7 @@ static inline void cx_pktcpy(struct FrameListData *dst,
static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
AVPacket *pkt, AVFrame *coded_frame)
{
- int ret = ff_alloc_packet(pkt, cx_frame->sz);
+ int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz);
if (ret >= 0) {
memcpy(pkt->data, cx_frame->buf, pkt->size);
pkt->pts = pkt->dts = cx_frame->pts;
@@ -390,8 +429,6 @@ static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
} else
coded_frame->pict_type = AV_PICTURE_TYPE_P;
} else {
- av_log(avctx, AV_LOG_ERROR,
- "Error getting output packet of size %zu.\n", cx_frame->sz);
return ret;
}
return pkt->size;
@@ -433,7 +470,7 @@ 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 */
- assert(!ctx->coded_frame_list);
+ av_assert0(!ctx->coded_frame_list);
cx_pktcpy(&cx_frame, pkt);
size = storeframe(avctx, &cx_frame, pkt_out, coded_frame);
if (size < 0)
@@ -462,8 +499,8 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out,
break;
case VPX_CODEC_STATS_PKT: {
struct vpx_fixed_buf *stats = &ctx->twopass_stats;
- stats->buf = av_realloc(stats->buf,
- stats->sz + pkt->data.twopass_stats.sz);
+ stats->buf = av_realloc_f(stats->buf, 1,
+ stats->sz + pkt->data.twopass_stats.sz);
if (!stats->buf) {
av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
return AVERROR(ENOMEM);
@@ -489,6 +526,7 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
VP8Context *ctx = avctx->priv_data;
struct vpx_image *rawimg = NULL;
int64_t timestamp = 0;
+ long flags = 0;
int res, coded_size;
if (frame) {
@@ -500,10 +538,11 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
timestamp = frame->pts;
+ flags = frame->pict_type == AV_PICTURE_TYPE_I ? VPX_EFLAG_FORCE_KF : 0;
}
res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
- avctx->ticks_per_frame, 0, ctx->deadline);
+ avctx->ticks_per_frame, flags, ctx->deadline);
if (res != VPX_CODEC_OK) {
log_encoder_error(avctx, "Error encoding frame");
return AVERROR_INVALIDDATA;
@@ -546,6 +585,7 @@ static const AVOption options[] = {
{ "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"},
{ "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"},
{ "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
+ { "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
#ifdef VPX_ERROR_RESILIENT_DEFAULT
{ "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
{ "partitions", "The frame partitions are independently decodable "
@@ -553,7 +593,17 @@ static const AVOption options[] = {
"though earlier partitions have been lost. Note that intra predicition"
" is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"},
#endif
- { NULL }
+{"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.i64 = 3}, -16, 16, VE},
+{"quality", "", offsetof(VP8Context, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"},
+{"vp8flags", "", offsetof(VP8Context, flags), FF_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"},
+{"error_resilient", "enable error resilience", 0, FF_OPT_TYPE_CONST, {.dbl = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"},
+{"altref", "enable use of alternate reference frames (VP8/2-pass only)", 0, FF_OPT_TYPE_CONST, {.dbl = VP8F_AUTO_ALT_REF}, INT_MIN, INT_MAX, VE, "flags"},
+{"arnr_max_frames", "altref noise reduction max frame count", offsetof(VP8Context, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE},
+{"arnr_strength", "altref noise reduction filter strength", offsetof(VP8Context, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE},
+{"arnr_type", "altref noise reduction filter type", offsetof(VP8Context, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE},
+{"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VP8Context, lag_in_frames), AV_OPT_TYPE_INT, {.i64 = 25}, 0, 25, VE},
+{"crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE},
+{NULL}
};
static const AVClass class = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 08:32:46 +0300