#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
+#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "avcodec.h"
#include "internal.h"
+#include "libopenh264.h"
+
+#if !OPENH264_VER_AT_LEAST(1, 6)
+#define SM_SIZELIMITED_SLICE SM_DYN_SLICE
+#endif
typedef struct SVCContext {
const AVClass *av_class;
int slice_mode;
int loopfilter;
char *profile;
+ int max_nal_size;
+ int skip_frames;
+ int skipped;
+ int cabac;
} SVCContext;
-#define OPENH264_VER_AT_LEAST(maj, min) \
- ((OPENH264_MAJOR > (maj)) || \
- (OPENH264_MAJOR == (maj) && OPENH264_MINOR >= (min)))
-
#define OFFSET(x) offsetof(SVCContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
+#if OPENH264_VER_AT_LEAST(1, 6)
+ { "slice_mode", "Slice mode", OFFSET(slice_mode), AV_OPT_TYPE_INT, { .i64 = SM_FIXEDSLCNUM_SLICE }, SM_SINGLE_SLICE, SM_RESERVED, VE, "slice_mode" },
+#else
{ "slice_mode", "Slice mode", OFFSET(slice_mode), AV_OPT_TYPE_INT, { .i64 = SM_AUTO_SLICE }, SM_SINGLE_SLICE, SM_RESERVED, VE, "slice_mode" },
+#endif
{ "fixed", "A fixed number of slices", 0, AV_OPT_TYPE_CONST, { .i64 = SM_FIXEDSLCNUM_SLICE }, 0, 0, VE, "slice_mode" },
+#if OPENH264_VER_AT_LEAST(1, 6)
+ { "dyn", "Size limited (compatibility name)", 0, AV_OPT_TYPE_CONST, { .i64 = SM_SIZELIMITED_SLICE }, 0, 0, VE, "slice_mode" },
+ { "sizelimited", "Size limited", 0, AV_OPT_TYPE_CONST, { .i64 = SM_SIZELIMITED_SLICE }, 0, 0, VE, "slice_mode" },
+#else
{ "rowmb", "One slice per row of macroblocks", 0, AV_OPT_TYPE_CONST, { .i64 = SM_ROWMB_SLICE }, 0, 0, VE, "slice_mode" },
{ "auto", "Automatic number of slices according to number of threads", 0, AV_OPT_TYPE_CONST, { .i64 = SM_AUTO_SLICE }, 0, 0, VE, "slice_mode" },
+ { "dyn", "Dynamic slicing", 0, AV_OPT_TYPE_CONST, { .i64 = SM_DYN_SLICE }, 0, 0, VE, "slice_mode" },
+#endif
{ "loopfilter", "Enable loop filter", OFFSET(loopfilter), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE },
- { "profile", "Set profile restrictions", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
+ { "profile", "Set profile restrictions", OFFSET(profile), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE },
+ { "max_nal_size", "Set maximum NAL size in bytes", OFFSET(max_nal_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+ { "allow_skip_frames", "Allow skipping frames to hit the target bitrate", OFFSET(skip_frames), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
+ { "cabac", "Enable cabac", OFFSET(cabac), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ NULL }
};
if (s->encoder)
WelsDestroySVCEncoder(s->encoder);
+ if (s->skipped > 0)
+ av_log(avctx, AV_LOG_WARNING, "%d frames skipped\n", s->skipped);
return 0;
}
{
SVCContext *s = avctx->priv_data;
SEncParamExt param = { 0 };
- int err = AVERROR_UNKNOWN;
-
- // Mingw GCC < 4.7 on x86_32 uses an incorrect/buggy ABI for the WelsGetCodecVersion
- // function (for functions returning larger structs), thus skip the check in those
- // configurations.
-#if !defined(_WIN32) || !defined(__GNUC__) || !ARCH_X86_32 || AV_GCC_VERSION_AT_LEAST(4, 7)
- OpenH264Version libver = WelsGetCodecVersion();
- if (memcmp(&libver, &g_stCodecVersion, sizeof(libver))) {
- av_log(avctx, AV_LOG_ERROR, "Incorrect library version loaded\n");
- return AVERROR(EINVAL);
- }
-#endif
+ int err;
+ int log_level;
+ WelsTraceCallback callback_function;
+ AVCPBProperties *props;
+
+ if ((err = ff_libopenh264_check_version(avctx)) < 0)
+ return err;
if (WelsCreateSVCEncoder(&s->encoder)) {
av_log(avctx, AV_LOG_ERROR, "Unable to create encoder\n");
return AVERROR_UNKNOWN;
}
+ // Pass all libopenh264 messages to our callback, to allow ourselves to filter them.
+ log_level = WELS_LOG_DETAIL;
+ (*s->encoder)->SetOption(s->encoder, ENCODER_OPTION_TRACE_LEVEL, &log_level);
+
+ // Set the logging callback function to one that uses av_log() (see implementation above).
+ callback_function = (WelsTraceCallback) ff_libopenh264_trace_callback;
+ (*s->encoder)->SetOption(s->encoder, ENCODER_OPTION_TRACE_CALLBACK, &callback_function);
+
+ // Set the AVCodecContext as the libopenh264 callback context so that it can be passed to av_log().
+ (*s->encoder)->SetOption(s->encoder, ENCODER_OPTION_TRACE_CALLBACK_CONTEXT, &avctx);
+
(*s->encoder)->GetDefaultParams(s->encoder, ¶m);
+#if FF_API_CODER_TYPE
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (!s->cabac)
+ s->cabac = avctx->coder_type == FF_CODER_TYPE_AC;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
param.fMaxFrameRate = avctx->time_base.den / avctx->time_base.num;
param.iPicWidth = avctx->width;
param.iPicHeight = avctx->height;
param.bEnableDenoise = 0;
param.bEnableBackgroundDetection = 1;
param.bEnableAdaptiveQuant = 1;
- param.bEnableFrameSkip = 0;
+ param.bEnableFrameSkip = s->skip_frames;
param.bEnableLongTermReference = 0;
param.iLtrMarkPeriod = 30;
param.uiIntraPeriod = avctx->gop_size;
param.iMultipleThreadIdc = avctx->thread_count;
if (s->profile && !strcmp(s->profile, "main"))
param.iEntropyCodingModeFlag = 1;
- else if (!s->profile && avctx->coder_type == FF_CODER_TYPE_AC)
+ else if (!s->profile && s->cabac)
param.iEntropyCodingModeFlag = 1;
param.sSpatialLayers[0].iVideoWidth = param.iPicWidth;
param.sSpatialLayers[0].iSpatialBitrate = param.iTargetBitrate;
param.sSpatialLayers[0].iMaxSpatialBitrate = param.iMaxBitrate;
+ if ((avctx->slices > 1) && (s->max_nal_size)) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Invalid combination -slices %d and -max_nal_size %d.\n",
+ avctx->slices, s->max_nal_size);
+ return AVERROR(EINVAL);
+ }
+
if (avctx->slices > 1)
s->slice_mode = SM_FIXEDSLCNUM_SLICE;
+
+ if (s->max_nal_size)
+ s->slice_mode = SM_SIZELIMITED_SLICE;
+
+#if OPENH264_VER_AT_LEAST(1, 6)
+ param.sSpatialLayers[0].sSliceArgument.uiSliceMode = s->slice_mode;
+ param.sSpatialLayers[0].sSliceArgument.uiSliceNum = avctx->slices;
+#else
param.sSpatialLayers[0].sSliceCfg.uiSliceMode = s->slice_mode;
param.sSpatialLayers[0].sSliceCfg.sSliceArgument.uiSliceNum = avctx->slices;
+#endif
+
+ if (s->slice_mode == SM_SIZELIMITED_SLICE) {
+ if (s->max_nal_size){
+ param.uiMaxNalSize = s->max_nal_size;
+#if OPENH264_VER_AT_LEAST(1, 6)
+ param.sSpatialLayers[0].sSliceArgument.uiSliceSizeConstraint = s->max_nal_size;
+#else
+ param.sSpatialLayers[0].sSliceCfg.sSliceArgument.uiSliceSizeConstraint = s->max_nal_size;
+#endif
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "Invalid -max_nal_size, "
+ "specify a valid max_nal_size to use -slice_mode dyn\n");
+ return AVERROR(EINVAL);
+ }
+ }
if ((*s->encoder)->InitializeExt(s->encoder, ¶m) != cmResultSuccess) {
av_log(avctx, AV_LOG_ERROR, "Initialize failed\n");
- goto fail;
+ return AVERROR_UNKNOWN;
}
- if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
SFrameBSInfo fbi = { 0 };
int i, size = 0;
(*s->encoder)->EncodeParameterSets(s->encoder, &fbi);
for (i = 0; i < fbi.sLayerInfo[0].iNalCount; i++)
size += fbi.sLayerInfo[0].pNalLengthInByte[i];
- avctx->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!avctx->extradata) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
+ avctx->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!avctx->extradata)
+ return AVERROR(ENOMEM);
avctx->extradata_size = size;
memcpy(avctx->extradata, fbi.sLayerInfo[0].pBsBuf, size);
}
- return 0;
+ props = ff_add_cpb_side_data(avctx);
+ if (!props)
+ return AVERROR(ENOMEM);
+ props->max_bitrate = param.iMaxBitrate;
+ props->avg_bitrate = param.iTargetBitrate;
-fail:
- svc_encode_close(avctx);
- return err;
+ return 0;
}
static int svc_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
return AVERROR_UNKNOWN;
}
if (fbi.eFrameType == videoFrameTypeSkip) {
+ s->skipped++;
av_log(avctx, AV_LOG_DEBUG, "frame skipped\n");
return 0;
}
// frames have two layers, where the first layer contains the SPS/PPS.
// If using global headers, don't include the SPS/PPS in the returned
// packet - thus, only return one layer.
- if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
first_layer = fbi.iLayerNum - 1;
for (layer = first_layer; layer < fbi.iLayerNum; layer++) {
.init = svc_encode_init,
.encode2 = svc_encode_frame,
.close = svc_encode_close,
- .capabilities = CODEC_CAP_AUTO_THREADS,
- .pix_fmts = (const enum PixelFormat[]){ AV_PIX_FMT_YUV420P,
- AV_PIX_FMT_NONE },
+ .capabilities = AV_CODEC_CAP_AUTO_THREADS,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE },
.priv_class = &class,
};
projects / ffmpeg / blobdiff