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libavcodec: v4l2m2m: include SPS/PPS headers in keyframes #10

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libavcodec: v4l2m2m: include SPS/PPS headers in keyframes #10

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33 changes: 33 additions & 0 deletions debian/patches/h264-insert-sps-pps
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Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
--- a/libavcodec/v4l2_m2m.h
+++ b/libavcodec/v4l2_m2m.h
@@ -139,6 +139,7 @@

int num_output_buffers;
int num_capture_buffers;
+ int repeat_seq_header;
const char * dmabuf_alloc;
enum AVPixelFormat pix_fmt;
} V4L2m2mPriv;
--- a/libavcodec/v4l2_m2m_enc.c
+++ b/libavcodec/v4l2_m2m_enc.c
@@ -226,6 +226,9 @@
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);
+ if (((V4L2m2mPriv*)s->priv)->repeat_seq_header) {
+ v4l2_set_ext_ctrl(s, MPEG_CID(REPEAT_SEQ_HEADER), 1, "repeat sequence headers", 1);
+ }

av_log(avctx, AV_LOG_DEBUG,
"Encoder Context: id (%d), profile (%d), frame rate(%d/%d), number b-frames (%d), "
@@ -732,7 +735,9 @@
{ "num_output_buffers", "Number of buffers in the output context",\
OFFSET(num_output_buffers), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },\
{ "num_capture_buffers", "Number of buffers in the capture context", \
- OFFSET(num_capture_buffers), AV_OPT_TYPE_INT, {.i64 = 8 }, 8, INT_MAX, FLAGS }
+ OFFSET(num_capture_buffers), AV_OPT_TYPE_INT, {.i64 = 8 }, 8, INT_MAX, FLAGS }, \
+ { "repeat_seq_header", "Insert sequence (PPS/SPS) headers inline", \
+ OFFSET(repeat_seq_header), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FLAGS }

static const AVOption mpeg4_options[] = {
V4L_M2M_CAPTURE_OPTS,
1 change: 1 addition & 0 deletions debian/patches/series
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Original file line number Diff line number Diff line change
@@ -1 +1,2 @@
ffmpeg-5.1.4-rpi_24.patch
h264-insert-sps-pps