#include <linux/videodev2.h>
#include <sys/ioctl.h>
#include <search.h>
+#include "encode.h"
#include "libavcodec/avcodec.h"
+#include "libavcodec/internal.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "libavutil/opt.h"
+#include "profiles.h"
#include "v4l2_context.h"
#include "v4l2_m2m.h"
#include "v4l2_fmt.h"
/* set ext ctrls */
v4l2_set_ext_ctrl(s, MPEG_CID(HEADER_MODE), MPEG_VIDEO(HEADER_MODE_SEPARATE), "header mode", 0);
v4l2_set_ext_ctrl(s, MPEG_CID(BITRATE) , avctx->bit_rate, "bit rate", 1);
+ v4l2_set_ext_ctrl(s, MPEG_CID(FRAME_RC_ENABLE), 1, "frame level rate control", 0);
v4l2_set_ext_ctrl(s, MPEG_CID(GOP_SIZE), avctx->gop_size,"gop size", 1);
av_log(avctx, AV_LOG_DEBUG,
switch (avctx->codec_id) {
case AV_CODEC_ID_H264:
if (avctx->profile != FF_PROFILE_UNKNOWN) {
- val = v4l2_h264_profile_from_ff(avctx->profile);
- if (val < 0)
- av_log(avctx, AV_LOG_WARNING, "h264 profile not found\n");
- else
- v4l2_set_ext_ctrl(s, MPEG_CID(H264_PROFILE), val, "h264 profile", 1);
+ val = v4l2_h264_profile_from_ff(avctx->profile);
+ if (val < 0)
+ av_log(avctx, AV_LOG_WARNING, "h264 profile not found\n");
+ else
+ v4l2_set_ext_ctrl(s, MPEG_CID(H264_PROFILE), val, "h264 profile", 1);
}
qmin_cid = MPEG_CID(H264_MIN_QP);
qmax_cid = MPEG_CID(H264_MAX_QP);
break;
case AV_CODEC_ID_MPEG4:
if (avctx->profile != FF_PROFILE_UNKNOWN) {
- val = v4l2_mpeg4_profile_from_ff(avctx->profile);
- if (val < 0)
- av_log(avctx, AV_LOG_WARNING, "mpeg4 profile not found\n");
- else
- v4l2_set_ext_ctrl(s, MPEG_CID(MPEG4_PROFILE), val, "mpeg4 profile", 1);
+ val = v4l2_mpeg4_profile_from_ff(avctx->profile);
+ if (val < 0)
+ av_log(avctx, AV_LOG_WARNING, "mpeg4 profile not found\n");
+ else
+ v4l2_set_ext_ctrl(s, MPEG_CID(MPEG4_PROFILE), val, "mpeg4 profile", 1);
}
qmin_cid = MPEG_CID(MPEG4_MIN_QP);
qmax_cid = MPEG_CID(MPEG4_MAX_QP);
return 0;
}
- if (qmin != avctx->qmin || qmax != avctx->qmax)
- av_log(avctx, AV_LOG_WARNING, "Encoder adjusted: qmin (%d), qmax (%d)\n", qmin, qmax);
+ if (avctx->qmin >= 0 && avctx->qmax >= 0 && avctx->qmin > avctx->qmax) {
+ av_log(avctx, AV_LOG_WARNING, "Invalid qmin:%d qmax:%d. qmin should not "
+ "exceed qmax\n", avctx->qmin, avctx->qmax);
+ } else {
+ qmin = avctx->qmin >= 0 ? avctx->qmin : qmin;
+ qmax = avctx->qmax >= 0 ? avctx->qmax : qmax;
+ }
- v4l2_set_ext_ctrl(s, qmin_cid, qmin, "minimum video quantizer scale", 0);
- v4l2_set_ext_ctrl(s, qmax_cid, qmax, "maximum video quantizer scale", 0);
+ v4l2_set_ext_ctrl(s, qmin_cid, qmin, "minimum video quantizer scale",
+ avctx->qmin >= 0);
+ v4l2_set_ext_ctrl(s, qmax_cid, qmax, "maximum video quantizer scale",
+ avctx->qmax >= 0);
return 0;
}
V4L2m2mContext *s = ((V4L2m2mPriv*)avctx->priv_data)->context;
V4L2Context *const capture = &s->capture;
V4L2Context *const output = &s->output;
+ AVFrame *frame = s->frame;
int ret;
if (s->draining)
goto dequeue;
+ if (!frame->buf[0]) {
+ ret = ff_encode_get_frame(avctx, frame);
+ if (ret < 0 && ret != AVERROR_EOF)
+ return ret;
+
+ if (ret == AVERROR_EOF)
+ frame = NULL;
+ }
+
+ ret = v4l2_send_frame(avctx, frame);
+ if (ret != AVERROR(EAGAIN))
+ av_frame_unref(frame);
+
+ if (ret < 0 && ret != AVERROR(EAGAIN))
+ return ret;
+
if (!output->streamon) {
ret = ff_v4l2_context_set_status(output, VIDIOC_STREAMON);
if (ret) {
#define OFFSET(x) offsetof(V4L2m2mPriv, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+#define V4L_M2M_CAPTURE_OPTS \
+ V4L_M2M_DEFAULT_OPTS,\
+ { "num_capture_buffers", "Number of buffers in the capture context", \
+ OFFSET(num_capture_buffers), AV_OPT_TYPE_INT, {.i64 = 4 }, 4, INT_MAX, FLAGS }
+
+static const AVOption mpeg4_options[] = {
+ V4L_M2M_CAPTURE_OPTS,
+ FF_MPEG4_PROFILE_OPTS
+ { NULL },
+};
+
static const AVOption options[] = {
- V4L_M2M_DEFAULT_OPTS,
- { "num_capture_buffers", "Number of buffers in the capture context",
- OFFSET(num_capture_buffers), AV_OPT_TYPE_INT, {.i64 = 4 }, 4, INT_MAX, FLAGS },
+ V4L_M2M_CAPTURE_OPTS,
+ { NULL },
+};
+
+static const AVCodecDefault v4l2_m2m_defaults[] = {
+ { "qmin", "-1" },
+ { "qmax", "-1" },
{ NULL },
};
-#define M2MENC_CLASS(NAME) \
+#define M2MENC_CLASS(NAME, OPTIONS_NAME) \
static const AVClass v4l2_m2m_ ## NAME ## _enc_class = { \
.class_name = #NAME "_v4l2m2m_encoder", \
.item_name = av_default_item_name, \
- .option = options, \
+ .option = OPTIONS_NAME, \
.version = LIBAVUTIL_VERSION_INT, \
};
-#define M2MENC(NAME, LONGNAME, CODEC) \
- M2MENC_CLASS(NAME) \
- AVCodec ff_ ## NAME ## _v4l2m2m_encoder = { \
+#define M2MENC(NAME, LONGNAME, OPTIONS_NAME, CODEC) \
+ M2MENC_CLASS(NAME, OPTIONS_NAME) \
+ const AVCodec ff_ ## NAME ## _v4l2m2m_encoder = { \
.name = #NAME "_v4l2m2m" , \
.long_name = NULL_IF_CONFIG_SMALL("V4L2 mem2mem " LONGNAME " encoder wrapper"), \
.type = AVMEDIA_TYPE_VIDEO, \
.priv_data_size = sizeof(V4L2m2mPriv), \
.priv_class = &v4l2_m2m_ ## NAME ##_enc_class, \
.init = v4l2_encode_init, \
- .send_frame = v4l2_send_frame, \
.receive_packet = v4l2_receive_packet, \
.close = v4l2_encode_close, \
+ .defaults = v4l2_m2m_defaults, \
.capabilities = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DELAY, \
+ .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, \
.wrapper_name = "v4l2m2m", \
- };
+ }
-M2MENC(mpeg4,"MPEG4", AV_CODEC_ID_MPEG4);
-M2MENC(h263, "H.263", AV_CODEC_ID_H263);
-M2MENC(h264, "H.264", AV_CODEC_ID_H264);
-M2MENC(hevc, "HEVC", AV_CODEC_ID_HEVC);
-M2MENC(vp8, "VP8", AV_CODEC_ID_VP8);
+M2MENC(mpeg4,"MPEG4", mpeg4_options, AV_CODEC_ID_MPEG4);
+M2MENC(h263, "H.263", options, AV_CODEC_ID_H263);
+M2MENC(h264, "H.264", options, AV_CODEC_ID_H264);
+M2MENC(hevc, "HEVC", options, AV_CODEC_ID_HEVC);
+M2MENC(vp8, "VP8", options, AV_CODEC_ID_VP8);
projects / ffmpeg / blobdiff