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jpegdec: Directly error out on negotiation failures

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Thanks to Antonio Morales for finding and reporting the issue.

Fixes GHSL-2024-247
Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3862

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8040>
This commit is contained in:
Sebastian Dröge 2024-09-30 16:22:19 +03:00 committed by GStreamer Marge Bot
parent 5093691ef2
commit 3cdf206f4f
1 changed files with 17 additions and 5 deletions
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22
subprojects/gst-plugins-good/ext/jpeg/gstjpegdec.c
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@ -1068,13 +1068,14 @@ gst_jpeg_turbo_parse_ext_fmt_convert (GstJpegDec * dec, gint * clrspc)
}
#endif
static void
static gboolean
gst_jpeg_dec_negotiate (GstJpegDec * dec, gint width, gint height, gint clrspc,
gboolean interlaced)
{
GstVideoCodecState *outstate;
GstVideoInfo *info;
GstVideoFormat format;
gboolean res;
#ifdef JCS_EXTENSIONS
if (dec->format_convert) {
@ -1104,7 +1105,7 @@ gst_jpeg_dec_negotiate (GstJpegDec * dec, gint width, gint height, gint clrspc,
height == GST_VIDEO_INFO_HEIGHT (info) &&
format == GST_VIDEO_INFO_FORMAT (info)) {
gst_video_codec_state_unref (outstate);
return;
return TRUE;
}
gst_video_codec_state_unref (outstate);
}
@ -1118,6 +1119,8 @@ gst_jpeg_dec_negotiate (GstJpegDec * dec, gint width, gint height, gint clrspc,
outstate =
gst_video_decoder_set_output_state (GST_VIDEO_DECODER (dec), format,
width, height, dec->input_state);
if (!outstate)
return FALSE;
switch (clrspc) {
case JCS_RGB:
@ -1142,10 +1145,12 @@ gst_jpeg_dec_negotiate (GstJpegDec * dec, gint width, gint height, gint clrspc,
gst_video_codec_state_unref (outstate);
gst_video_decoder_negotiate (GST_VIDEO_DECODER (dec));
res = gst_video_decoder_negotiate (GST_VIDEO_DECODER (dec));
GST_DEBUG_OBJECT (dec, "max_v_samp_factor=%d", dec->cinfo.max_v_samp_factor);
GST_DEBUG_OBJECT (dec, "max_h_samp_factor=%d", dec->cinfo.max_h_samp_factor);
return res;
}
static GstFlowReturn
@ -1425,8 +1430,9 @@ gst_jpeg_dec_handle_frame (GstVideoDecoder * bdec, GstVideoCodecFrame * frame)
num_fields = 1;
}
gst_jpeg_dec_negotiate (dec, width, output_height,
dec->cinfo.jpeg_color_space, num_fields == 2);
if (!gst_jpeg_dec_negotiate (dec, width, output_height,
dec->cinfo.jpeg_color_space, num_fields == 2))
goto negotiation_failed;
state = gst_video_decoder_get_output_state (bdec);
ret = gst_video_decoder_allocate_output_frame (bdec, frame);
@ -1558,6 +1564,12 @@ map_failed:
ret = GST_FLOW_ERROR;
goto exit;
}
negotiation_failed:
{
GST_ELEMENT_ERROR (dec, CORE, NEGOTIATION, (NULL), ("failed to negotiate"));
ret = GST_FLOW_NOT_NEGOTIATED;
goto exit;
}
decode_error:
{
gchar err_msg[JMSG_LENGTH_MAX];