On Mon, Jul 07, 2025 at 12:41:34PM +0200, Andreas Rheinhardt wrote:
> Peter Ross:
> > Fixes CID1655273 and CID1655274.
> > ---
> > libavcodec/adpcm.c | 6 ++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/libavcodec/adpcm.c b/libavcodec/a
@ -934,6 +936,8 @@ static int adpcm_sanyo_expand4(ADPCMChannelStatus *c, int
bits)
add = (25 * c->step) >> 1;
c->step = 5 * c->step;
break;
+default:
+av_unreachable("There are cases for all control paths when bits is
4-bit");
, 403, 806, 0xaeb8e751
+0, 19344, 19344, 403, 806, 0x2fc320cf
+0, 19747, 19747, 403, 806, 0x30e720c6
+0, 20150, 20150, 403, 806, 0x1d8f20c8
+0, 20553, 20553, 403, 806, 0x2fc920cd
--
2.47.2
-- Peter
(A907 E02F A6E5
index 00..68ddaae603
--- /dev/null
+++ b/tests/ref/fate/lead-yuv444p
@@ -0,0 +1,6 @@
+#tb 0: 1/24
+#media_type 0: video
+#codec_id 0: rawvideo
+#dimensions 0: 320x240
+#sar 0: 0/1
+0, 0, 0,1, 230400, 0xfe90096a
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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-g728: FUZZ = 5
+
FATE_SAMPLES_AUDIO-$(call PCM, AVI, IMC, ARESAMPLE_FILTER) += fate-imc
fate-imc: CMD = pcm -i $(TARGET_SAMPLES)/imc/imc.avi
fate-imc: CMP = oneoff
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
m_sanyo_expand4(ADPCMChannelStatus *c, int
bits)
add = (25 * c->step) >> 1;
c->step = 5 * c->step;
break;
+default:
+av_assert0(0); /* never reach here when bits is 4-bit */
+return 0;
}
if (sign)
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2
i].size > INT32_MAX - ofs)
> +return AVERROR_INVALIDDATA;
> ofs += s->slice[i].size;
> }
please apply
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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Peter Ross (pr...@xvid.org)
*
* This file is part of FFmpeg.
*
@@ -260,6 +261,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
case AV_CODEC_ID_ADPCM_IMA_AMV:
max_channels = 1;
break;
+case AV_CODEC_ID_ADPCM_SANYO:
+max_channels = 2
hannels, int16_t
**samples_p);
+
#endif /* AVCODEC_ADPCM_H */
diff --git a/libavcodec/adpcm_le.c b/libavcodec/adpcm_le.c
new file mode 100644
index 00..df8eb3dd90
--- /dev/null
+++ b/libavcodec/adpcm_le.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 2025 Peter Ross
+ *
+ * This file is part o
, 806, 0xaeb8e751
+0, 19344, 19344, 403, 806, 0x2fc320cf
+0, 19747, 19747, 403, 806, 0x30e720c6
+0, 20150, 20150, 403, 806, 0x1d8f20c8
+0, 20553, 20553, 403, 806, 0x2fc920cd
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2
t; FF_CODEC_DECODE_CB(g728_decode_frame),
> .p.capabilities = AV_CODEC_CAP_CHANNEL_CONF |
>AV_CODEC_CAP_DR1,
> -.p.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLT,
> - AV_SAMPLE_FMT_NONE },
printf("FNTEMPLATE: '%s'\n", fntemplate);
+
while ((err = av_read_frame(fctx, pkt)) >= 0) {
int fd;
snprintf(pktfilename, sizeof(pktfilename), fntemplate, pktnum,
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.
st->codecpar->ch_layout.nb_channels)
> return AVERROR_INVALIDDATA;
> if (st->codecpar->ch_layout.nb_channels >
> FF_ARRAY_ELEMS(dsd_layout)) {
> avpriv_request_sample(s, "
return AVERROR_INVALIDDATA;
s->slice[i].data = avpkt->data + header_size + ofs;
s->slice[i].data_size = FFMIN(s->slice[i].size, avpkt->size -
header_size - ofs);
ofs += s->slice[i].size;
}
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5
static int read_slice_sizes(RV60Context *s, GetBitContext
*gb)
if (last_size <= 0)
return AVERROR_INVALIDDATA;
s->slice[i].size = last_size;
-sum += s->slice[i].size;
}
align_get_bits(gb);
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2
3e
--- /dev/null
+++ b/libavcodec/g728dec.c
@@ -0,0 +1,220 @@
+/*
+ * G.728 decoder
+ * Copyright (c) 2025 Peter Ross
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as publis
/mpegaudiodsp_mips_float.o
MIPSDSP-OBJS-$(CONFIG_MPEGAUDIODSP) += mips/mpegaudiodsp_mips_fixed.o
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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h264_v4l2_m2m"
h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
__
quot;cbs"
cbs_av1_select="cbs"
cbs_h264_select="cbs"
cbs_h265_select="cbs"
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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return AVERROR_INVALIDDATA;
> +if (cb->coding_mode == 2)
> +avpriv_request_sample(avctx, "coding mode 2\n");
nit: there is no need for newline character with avpriv_request_sample()
-- Peter
(A907 E02F A6E5 0CD2
/mpegaudiodsp_mips_float.o
MIPSDSP-OBJS-$(CONFIG_MPEGAUDIODSP) += mips/mpegaudiodsp_mips_fixed.o
--
2.47.2
-- Peter
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.mak
+++ b/tests/fate/libavcodec.mak
@@ -28,7 +28,7 @@ fate-cabac: libavcodec/tests/cabac$(EXESUF)
fate-cabac: CMD = run libavcodec/tests/cabac$(EXESUF)
fate-cabac: CMP = null
-FATE_LIBAVCODEC-yes += fate-celp_math
+FATE_LIBAVCODEC-$(CONFIG_CELP_MATH) += fate-celp_math
fate-celp_math: libavcodec/tests/
On Tue, Jun 10, 2025 at 12:25:24AM +0200, Andreas Rheinhardt wrote:
> Peter Ross:
> > ---
> > libavformat/aiff.c| 1 +
> > libavformat/aiffdec.c | 3 +++
> > 2 files changed, 4 insertions(+)
> >
> > diff --git a/libavformat/aiff.c b/libavformat/aiff.c
+#endif
#if CONFIG_FAANIDCT
{ "FAANI", ff_faanidct, FF_IDCT_PERM_NONE },
#endif /* CONFIG_FAANIDCT */
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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___
ff
hashtable
diff --git a/tests/fate/libavcodec.mak b/tests/fate/libavcodec.mak
index 089ab11fb1..e2d616e307 100644
--- a/tests/fate/libavcodec.mak
+++ b/tests/fate/libavcodec.mak
@@ -28,7 +28,7 @@ fate-cabac: libavcodec/tests/cabac$(EXESUF)
fate-cabac: CMD = run libavcodec/tests
par->codec_id == AV_CODEC_ID_G728 ||
par->codec_id == AV_CODEC_ID_MP2||
par->codec_id == AV_CODEC_ID_MP3||
par->codec_id == AV_CODEC_ID_GSM_MS) {
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Descr
float *window)
+ const float *hist, float *out2, const float
*window)
{
int i;
float buffer1[MAX_BACKWARD_FILTER_ORDER + 1];
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
, temp, hist, rec,
window);
-if (!compute_lpc_coefs(temp, order, lpc, 0, 1, 1))
+if (!compute_lpc_coefs(temp, 0, order, lpc, 0, 1, 1, NULL))
ractx->vector_fmul(lpc, lpc, tab, FFALIGN(order, 16));
memmove(hist, hist + n, move_size*sizeof(*hist));
--
2.47.2
-- Peter
(A907 E02
V_CODEC_ID_RAWVIDEO:
case AV_CODEC_ID_BITPACKED:
+case AV_CODEC_ID_G728:
return 1;
default:
return 0;
--
2.47.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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Description: PGP signature
___
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ormatContext *s, int64_t size,
case AV_CODEC_ID_GSM:
par->block_align = 33;
break;
+case AV_CODEC_ID_G728:
+par->block_align = 5;
+break;
default:
aiff->block_duration = 1;
break;
--
2.47.2
0;
+return ret;
+}
+
+const FFInputFormat ff_g728_demuxer = {
+.p.name = "g728",
+.p.long_name= NULL_IF_CONFIG_SMALL("raw G.728"),
+.p.extensions = "g728",
+.p.flags= AVFMT_GENERIC_INDEX,
+.read_header = g728_read_header,
+
dev/null
+++ b/libavcodec/g728dec.c
@@ -0,0 +1,220 @@
+/*
+ * G.728 decoder
+ * Copyright (c) 2025 Peter Ross
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as publis
do_hybrid_window(ractx, order, n, non_rec, temp, hist, rec, window);
+do_hybrid_window(ractx->vector_fmul, order, n, non_rec, temp, hist, rec,
window);
if (!compute_lpc_coefs(temp, order, lpc, 0, 1, 1))
ractx->vector_fmul(lpc, lpc, tab, FFALIGN(order, 16));
--
2.47.2
-- P
Sample: https://pross.sdf.org/sandpit/CW5.g728
Peter Ross (8):
avcodec/g728_template: do_hybrid_window() template
avcodec/g728_template: make hist parameter constant
avcodec/lpc_functions: compute_lpc_coefs: add starting lpc order and
err cache parameters
avcodec/g728dec: G.728
-else
> -return decode_super_cbp(gb, cbp16_vlc[cb_set][subset - 1]);
> +return decode_super_cbp(gb, cbp16_vlc[cb_set][subset]);
> }
>
> static int decode_cu_r(RV60Context * s, AVFrame * frame, ThreadContext *
> thread, GetBitContext * gb, int xpos, int ypos, int l
_INTRA;
> -if (is_intra && qp >= 32)
> +if (qp >= 32)
> return AVERROR_INVALIDDATA;
> cu_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8;
please apply
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Descrip
ut =
> (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
> +else if (sta->codecpar->ch_layout.nb_channels == 0)
> +return AVERROR_INVALIDDATA;
> break;
>
> case ID_ABIT:
please apply
-
te[start+i] = 0xFFU << 24 | (bytestream2_get_be24(&s->gb) <<
> 2);
> +s->palette[(start+i)&0xFF] = 0xFFU << 24 |
> (bytestream2_get_be24(&s->gb) << 2);
> }
>
please apply
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
_rac_put(c, 0);
>+if (ret < 0)
>+return ret;
>+}
>+
>+if (c->output_start + 1 >= c->output_end)
>+return AVERROR(ENOSPC);
>+
>+if (c->output_start + 3 < c->output_end) {
>+
don’t know if there is ongoing work about this, I’m pretty new to the project.
Thanks,
Peter
> On Apr 4, 2025, at 12:00 PM, Michael Niedermayer
> wrote:
>
> Hi Peter
>
> On Thu, Apr 03, 2025 at 06:17:19PM -0700, Peter Xia wrote:
>> Adds support of decoding animated webp.
&
Hi Leon,
Thanks for the feedback! I’ve send a v2 of this patch.
Peter
> On Apr 3, 2025, at 12:11 AM, Leon Grutters wrote:
>
> On 4/1/25 12:29 PM, Peter Xia wrote:
>> Adds support of decoding animated webp.
>>
>> Signed-off-by: Peter Xia
>> ---
&g
Adds support of decoding animated webp.
Signed-off-by: Peter Xia
---
Changelog | 1 +
configure | 4 +-
doc/general_contents.texi | 2 +-
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c| 3 +-
libavcodec/libwebpdec.c | 192
Can anyone take a look at this? This is my first patch so not entirely sure
about the process.
Thanks,
Peter
> On Apr 1, 2025, at 3:29 AM, Peter Xia wrote:
>
> Adds support of decoding animated webp.
>
> Signed-off-by: Peter Xia
> ---
> Changelog
Adds support of decoding animated webp.
Signed-off-by: Peter Xia
---
Changelog | 1 +
configure | 4 +-
doc/general_contents.texi | 2 +-
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c| 3 +-
libavcodec/libwebpdec.c | 200
VP8Context *s = avctx->priv_data;
> --
> 2.45.2
>
> From 105f5edaa24b5ad0b4b1431cb04f22f3f5a106a6 Mon Sep 17 00:00:00 2001
> From: Andreas Rheinhardt
> Date: Thu, 6 Mar 2025 18:20:32 +0100
> Subject: [PATCH 4/4] avcodec/vp8: Remove always-false hwaccel checks for VP7
>
>
> +*c->output_buffer++ = c->code_word >> 24;
> +}
> +c->code_word <<= 8;
> +}
> +}
after calling vpx_rac_flush() how does the caller determine the final size
of the output buffer?
finally, does the output of your encoder work with the ex
].data,
> s->slice[cu_y].size)) < 0)
> +if ((ret = init_get_bits8(&gb, s->slice[cu_y].data,
> s->slice[cu_y].data_size)) < 0)
> return ret;
>
> for (int cu_x = 0; cu_x < s->cu_width; cu_x++) {
nice find. please apply,
vio_feof(pb)) {
> chunk_pos = avio_tell(pb);
> if (chunk_pos >= iff->body_end)
> --
> 2.48.1
please apply, thanks.
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
00..f932a50f6c
--- /dev/null
+++ b/libavcodec/g728dec.c
@@ -0,0 +1,220 @@
+/*
+ * G.728 decoder
+ * Copyright (c) 2025 Peter Ross
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+
On Sun, Jan 19, 2025 at 08:49:50PM +1100, Peter Ross wrote:
> Fixes ticket #10658.
> ---
>
> Tested with some different vertical resolution alignments.
>
> When the vertical resolution is not aligned to macroblock height, the
> reference encoder & decoder performs buggy
e understand why this is needed...
the avio_read() call fills buf, and the call to ff_parse_mpeg2_descriptor
specifies an "end" pointer (desc_list_end point) to prevent overreading.
where is the uninitialised memory coming from?
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B
t;linesize[plane] + x,
+(yuv20p_half && b < 2 ? 2 : 1) * fields *
frame->linesize[plane]);
if (ret < 0)
return ret;
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Descr
(yuv20p_half && b < 2 ? 2 : 1) * fields *
frame->linesize[plane]);
if (ret < 0)
return ret;
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
__
On Sun, Jan 12, 2025 at 02:48:00PM +0100, Andreas Rheinhardt wrote:
> Peter Ross:
> > ---
> > libavcodec/Makefile | 1 +
> > libavcodec/allcodecs.c | 1 +
> > libavcodec/codec_desc.c | 7 ++
> > libavcodec/codec_id.h | 1 +
&
On Sun, Jan 12, 2025 at 12:42:05AM -0300, James Almer wrote:
> On 1/11/2025 11:37 PM, Peter Ross wrote:
> > ---
> > libavcodec/Makefile | 1 +
> > libavcodec/allcodecs.c | 1 +
> > libavcodec/codec_desc.c | 7 ++
> > libavcodec/codec_id.h |
V_CODEC_ID_RAWVIDEO:
case AV_CODEC_ID_BITPACKED:
+case AV_CODEC_ID_G728:
return 1;
default:
return 0;
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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Description: PGP signature
___
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ormatContext *s, int64_t size,
case AV_CODEC_ID_GSM:
par->block_align = 33;
break;
+case AV_CODEC_ID_G728:
+par->block_align = 5;
+break;
default:
aiff->block_duration = 1;
break;
--
2.45.2
par->codec_id == AV_CODEC_ID_G728 ||
par->codec_id == AV_CODEC_ID_MP2||
par->codec_id == AV_CODEC_ID_MP3||
par->codec_id == AV_CODEC_ID_GSM_MS) {
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Descr
0;
+return ret;
+}
+
+const FFInputFormat ff_g728_demuxer = {
+.p.name = "g728",
+.p.long_name= NULL_IF_CONFIG_SMALL("raw G.728"),
+.p.extensions = "g728",
+.p.flags= AVFMT_GENERIC_INDEX,
+.read_header = g728_read_header,
+
dev/null
+++ b/libavcodec/g728dec.c
@@ -0,0 +1,213 @@
+/*
+ * G.728 decoder
+ * Copyright (c) 2025 Peter Ross
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as publis
, temp, hist, rec,
window);
-if (!compute_lpc_coefs(temp, order, lpc, 0, 1, 1))
+if (!compute_lpc_coefs(temp, 0, order, lpc, 0, 1, 1, NULL))
ractx->vector_fmul(lpc, lpc, tab, FFALIGN(order, 16));
memmove(hist, hist + n, move_size*sizeof(*hist));
--
2.45.2
-- Peter
(A907 E02
float *window)
+ const float *hist, float *out2, const float
*window)
{
int i;
float buffer1[MAX_BACKWARD_FILTER_ORDER + 1];
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
Sample: https://pross.sdf.org/sandpit/CW5.g728
Peter Ross (8):
avcodec/g728_template: do_hybrid_window() template
avcodec/g728_template: make hist parameter constant
avcodec/lpc_functions: compute_lpc_coefs: add starting lpc order and
err cache parameters
avcodec/g728dec: G.728
-do_hybrid_window(ractx, order, n, non_rec, temp, hist, rec, window);
+do_hybrid_window(ractx->vector_fmul, order, n, non_rec, temp, hist, rec,
window);
if (!compute_lpc_coefs(temp, order, lpc, 0, 1, 1))
ractx->vector_fmul(lpc, lpc, tab, FFALIGN(order, 16));
--
2.45.2
On Sun, Dec 22, 2024 at 06:40:31PM +1100, Peter Ross wrote:
> A minimal DNG header is added to each LJ92 compressed frame, allowing
> thme to be decoded by the TIFF decoder. The TIFF decoder is responsible
> for setting up the MJPEG decoder, signalling the correct s->bayer flag,
&
ATADIR "$(eval c_escape $datadir)"
> #define AVCONV_DATADIR "$(eval c_escape $datadir)"
> #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
FFmpeg turns 25 this year.
please apply :)
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signa
%d.%d.%d.%d\n",version >> 24,
(version >> 16) & 0xFF, (version >> 8) & 0xFF, version & 0xFF);
+if (!new_stream(s, &sta, &iff->audio_stream_index,
AVMEDIA_TYPE_AUDIO))
+return AVERROR(ENOMEM);
+sta->codecp
// TODO: Handle window styles
> >
> > use avpriv_report_missing_feature()?
> >
>
> I can do that but it'll trigger on many subtitle files as it's
> pretty commonly used, just doesn't usually change all that much
> which is why it
gt; +int ret;
> +
> if (!value) {
> avio_skip(pb, size);
> return;
> }
>
> -avio_read(pb, value, size);
> -if (!value[0]) {
> +ret = avio_read(pb, value, size);
> +if (ret != size || !value[0]) {
> av_free(v
ret = AVERROR(ENOMEM);
> + goto end;
> +}
> +sub->pts = start;
> +sub->duration = duration;
> +
> +if ((ret = av_packet_add_side_data(sub, AV_PKT_DATA_SRV3_EVENT,
> (uint8_t*)event, sizeof(SRV3EventMeta))
== AV_NOPTS_VALUE ? 0 : pkt->pts);
avio_wl64(pb, 0);
avio_wl64(pb, par->codec_type == AVMEDIA_TYPE_VIDEO && (pkt->flags &
AV_PKT_FLAG_KEY) ? 1 : 0);
avio_wl64(pb, 0);
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
,
av_assert0(0);
}
-if (ret < 0)
-return ret;
return ret;
}
--
2.45.2
-- Peter
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','U','L','L')) {
} else if (type == MKTAG('M','L','V','I')) { /* occurs when MLV and
Mnn files are concatenated */
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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'L','V','I')) { /* occurs when MLV and
Mnn files are concatenated */
+ } else if (type == MKTAG('R','A','W','C')) {
} else {
av_log(avctx, AV_LOG_INFO, "unsupported tag %s, size %u\n",
_TIFF)
+ret = get_packet_lj92(avctx, st, pb, pkt, size);
+else
+ret = av_get_packet(pb, pkt, (st->codecpar->width *
st->codecpar->height * st->codecpar->bits_per_coded_sample + 7) >> 3);
} else { // AVMEDIA_TYPE_AUDIO
if (space > UINT_M
On Sat, Dec 21, 2024 at 12:02:06AM +0200, Jan Ekström wrote:
> On Thu, Dec 19, 2024 at 4:34 AM Peter Ross wrote:
> >
> > h264_sei depends on h2645_sei, which in turn depends on aom_film_grain for
> > ff_aom_uninit_film_grain_params()
>
> Set LGTM.
>
> Thanks f
On Thu, Dec 12, 2024 at 09:25:55AM +1100, Peter Ross wrote:
> ---
> Using AV_CODEC_ID_ADPCM_IMA_WAV for twocc 0x0069 causes subtle artefacts
> during
> playback. The correct decoder is AV_CODEC_ID_ADPCM_IMA_XBOX.
>
> Sample .wav and ref flac file:
> <https://github.com/v
On Wed, Dec 11, 2024 at 09:27:51AM +1100, Peter Ross wrote:
> Fixes ticket #5553.
> ---
> Additional hardening thanks to target_dem_fuzzer.c
>
> libavformat/iff.c | 311 +++---
> 1 file changed, 210 insertions(+), 101 deletions(-)
>
)+= h2645_sei.o aom_film_grain.o \
dynamic_hdr_vivid.o
--
2.45.2
-- Peter
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)+= img2dec.o img2.o
+OBJS-$(CONFIG_IMAGE_VBN_PIPE_DEMUXER) += img2dec.o img2.o
OBJS-$(CONFIG_IMAGE_WEBP_PIPE_DEMUXER)+= img2dec.o img2.o
OBJS-$(CONFIG_IMAGE_XBM_PIPE_DEMUXER) += img2dec.o img2.o
OBJS-$(CONFIG_IMAGE_XPM_PIPE_DEMUXER) += img2dec.o img2.o
--
2.45.2
-- Peter
(A907 E02F
On Wed, Dec 18, 2024 at 05:21:33PM -0300, James Almer wrote:
> On 12/18/2024 5:17 PM, Peter Ross wrote:
> > ---
> > libavformat/Makefile | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/libavformat/Makefile b/libavformat/Makefile
)+= mpeg4audio_sample_rates.o
SHLIBOBJS-$(CONFIG_HLS_DEMUXER) += ac3_channel_layout_tab.o
SHLIBOBJS-$(CONFIG_IMAGE_JPEGXL_PIPE_DEMUXER)+= jpegxl_parse.o
--
2.45.2
-- Peter
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On Wed, Dec 18, 2024 at 02:28:26PM +0900, Lynne via ffmpeg-devel wrote:
>
>
> On 16/12/2024 20:00, Peter Ross wrote:
> > since commit fce0622d0b1f69a85fe8ce61e1189dd57a8b0fcc, libavformat/hevc.c
> > depends on golomb vlc tables.
> > ---
> > i often build with -
atsc_a53 golomb"
+iso_writer_select="golomb"
frame_thread_encoder_deps="encoders threads"
iamfdec_deps="iamf"
iamfdec_select="iso_media mpeg4audio"
--
2.45.2
-- Peter
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'L','V','I')) { /* occurs when MLV and
Mnn files are concatenated */
+ } else if (type == MKTAG('R','A','W','C')) {
} else {
av_log(avctx, AV_LOG_INFO, "unsupported tag %s, size %u\n",
','U','L','L')) {
} else if (type == MKTAG('M','L','V','I')) { /* occurs when MLV and
Mnn files are concatenated */
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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, pkt, (st->codecpar->width *
st->codecpar->height * st->codecpar->bits_per_coded_sample + 7) >> 3);
} else { // AVMEDIA_TYPE_AUDIO
if (space > UINT_MAX - 24 || size < (24 + space))
return AVERROR_INVALIDDATA;
--
2.45.2
-- Peter
(A907 E02F
c_id 1: adpcm_ima_xbox
#sample_rate 1: 44100
#channel_layout_name 1: stereo
0, 0, 0,0, 1508, 0xefceba48
--
2.45.2
-- Peter
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ID_ADPCM_IMA_XBOX:
+if (bps != 4)
+return 0;
+ tmp = blocks * ((ba - 4 * ch) / (bps * ch) * 8);
+break;
case AV_CODEC_ID_ADPCM_IMA_WAV:
if (bps < 2 || bps > 5)
return 0;
, 1586, 0xbee30464, F=0x0
--
2.45.2
-- Peter
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To
sta = s->streams[iff->audio_stream_index];
+if (sta->codecpar->codec_tag == ID_DSD || iff->form_tag == ID_MAUD) {
+ret = av_get_packet(pb, pkt, FFMIN(iff->body_end - pos, 1024 *
sta->codecpar->block_align));
+} else if (sta->codecpar->codec_t
(s, frame->data, frame->linesize, s->last_frame[NEXT_PIC],
> bx, by, bw, bh, mv.f_mv, 0);
> break;
> case MVREF_BREF:
suggest also setting enum MVREF_NONE = 0 higher up in the file, so it is clear
to readers these enums are ordered deliberately.
+int diff = get_bits_long(gb, nbits);
> if (s->slice[i].sign)
> last_size += diff;
> else
please apply
-- Peter
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ffm
if (sta->codecpar->codec_tag == ID_DSD || iff->form_tag == ID_MAUD) {
+ret = av_get_packet(pb, pkt, FFMIN(iff->body_end - pos, 1024 *
sta->codecpar->block_align));
+} else if (sta->codecpar->codec_tag == ID_DST) {
return read_dst_fr
der_select="blockdsp"
lagarith_decoder_select="llviddsp"
-lead_decoder_select="idctdsp jpegtables"
+lead_decoder_select="blockdsp idctdsp jpegtables"
ljpeg_encoder_select="jpegtables"
lscr_decoder_select="inflate_wrapper"
magicyuv_decoder
*avctx, AVFrame
* frame,
zero = 1;
avctx->pix_fmt = AV_PIX_FMT_YUV420P;
break;
+case 0x6:
case 0x8000:
yuv20p_half = 1;
// fall-through
--
2.45.2
-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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Description:
Signed-off-by: Peter Ross
---
Author: Paul B Mahol
Date: Wed Jun 26 09:07:29 2024 +0200
libavformat/mm.c | 31 ++
tests/ref/fate/alg-mm | 62 +--
2 files changed, 45 insertions(+), 48 deletions(-)
diff --git a/libavformat/mm.c
is_intra = cu.cu_type == CU_INTRA;
> +if (is_intra && qp >= 32)
> +return AVERROR_INVALIDDATA;
> cu_pos = ((xpos & 63) >> 3) + ((ypos & 63) >> 3) * 8;
nice find by clusterfuzz. please appl
)
+if (s->pinfo[i].presentation_version == 2) {
+ssi->channel_mode = 1; /* immersive stereo */
+break;
+}
+
if (ssi->channel_mode == 11 ||
ssi->channel_mode == 12 ||
ssi->channel_mode == 13 ||
--
2.45.2
-- P
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