[FFmpeg-devel] [PATCH v2] avformat/imf: clean-up logging * remove log to NULL * remove extraneous logging
Pierre-Anthony Lemieux
pal at sandflow.com
Tue May 30 19:07:22 EEST 2023
Will apply "soon".
On Mon, May 29, 2023 at 9:59 AM <pal at sandflow.com> wrote:
>
> From: Pierre-Anthony Lemieux <pal at palemieux.com>
>
> ---
> libavformat/imf.h | 6 +-
> libavformat/imf_cpl.c | 179 +++++++++++++++++++---------------------
> libavformat/imfdec.c | 2 +-
> libavformat/tests/imf.c | 4 +-
> 4 files changed, 91 insertions(+), 100 deletions(-)
>
> diff --git a/libavformat/imf.h b/libavformat/imf.h
> index 70ed007312..ef124bf412 100644
> --- a/libavformat/imf.h
> +++ b/libavformat/imf.h
> @@ -140,6 +140,7 @@ typedef struct FFIMFCPL {
>
> /**
> * Parse an IMF CompositionPlaylist element into the FFIMFCPL data structure.
> + * @param[in] log_ctx Logging context (points to an instance of AVClass). May be NULL.
> * @param[in] doc An XML document from which the CPL is read.
> * @param[out] cpl Pointer to a memory area (allocated by the client), where the
> * function writes a pointer to the newly constructed FFIMFCPL structure (or
> @@ -147,10 +148,11 @@ typedef struct FFIMFCPL {
> * the FFIMFCPL structure using ff_imf_cpl_free().
> * @return A non-zero value in case of an error.
> */
> -int ff_imf_parse_cpl_from_xml_dom(xmlDocPtr doc, FFIMFCPL **cpl);
> +int ff_imf_parse_cpl_from_xml_dom(void *log_ctx, xmlDocPtr doc, FFIMFCPL **cpl);
>
> /**
> * Parse an IMF Composition Playlist document into the FFIMFCPL data structure.
> + * @param[in] log_ctx Logging context (points to an instance of AVClass). May be NULL.
> * @param[in] in The context from which the CPL is read.
> * @param[out] cpl Pointer to a memory area (allocated by the client), where the
> * function writes a pointer to the newly constructed FFIMFCPL structure (or
> @@ -158,7 +160,7 @@ int ff_imf_parse_cpl_from_xml_dom(xmlDocPtr doc, FFIMFCPL **cpl);
> * the FFIMFCPL structure using ff_imf_cpl_free().
> * @return A non-zero value in case of an error.
> */
> -int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl);
> +int ff_imf_parse_cpl(void *log_ctx, AVIOContext *in, FFIMFCPL **cpl);
>
> /**
> * Allocates and initializes an FFIMFCPL data structure.
> diff --git a/libavformat/imf_cpl.c b/libavformat/imf_cpl.c
> index a7cf5fa360..fe975c2f0c 100644
> --- a/libavformat/imf_cpl.c
> +++ b/libavformat/imf_cpl.c
> @@ -76,10 +76,8 @@ int ff_imf_xml_read_uuid(xmlNodePtr element, AVUUID uuid)
>
> xmlChar *element_text = xmlNodeListGetString(element->doc, element->xmlChildrenNode, 1);
> ret = av_uuid_urn_parse(element_text, uuid);
> - if (ret) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid UUID\n");
> + if (ret)
> ret = AVERROR_INVALIDDATA;
> - }
> xmlFree(element_text);
>
> return ret;
> @@ -90,10 +88,8 @@ int ff_imf_xml_read_rational(xmlNodePtr element, AVRational *rational)
> int ret = 0;
>
> xmlChar *element_text = xmlNodeListGetString(element->doc, element->xmlChildrenNode, 1);
> - if (sscanf(element_text, "%i %i", &rational->num, &rational->den) != 2) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid rational number\n");
> + if (sscanf(element_text, "%i %i", &rational->num, &rational->den) != 2)
> ret = AVERROR_INVALIDDATA;
> - }
> xmlFree(element_text);
>
> return ret;
> @@ -104,10 +100,8 @@ int ff_imf_xml_read_uint32(xmlNodePtr element, uint32_t *number)
> int ret = 0;
>
> xmlChar *element_text = xmlNodeListGetString(element->doc, element->xmlChildrenNode, 1);
> - if (sscanf(element_text, "%" PRIu32, number) != 1) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid unsigned 32-bit integer");
> + if (sscanf(element_text, "%" PRIu32, number) != 1)
> ret = AVERROR_INVALIDDATA;
> - }
> xmlFree(element_text);
>
> return ret;
> @@ -181,10 +175,8 @@ static int fill_content_title(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> {
> xmlNodePtr element = NULL;
>
> - if (!(element = ff_imf_xml_get_child_element_by_name(cpl_element, "ContentTitle"))) {
> - av_log(NULL, AV_LOG_ERROR, "ContentTitle element not found in the IMF CPL\n");
> + if (!(element = ff_imf_xml_get_child_element_by_name(cpl_element, "ContentTitle")))
> return AVERROR_INVALIDDATA;
> - }
> cpl->content_title_utf8 = xmlNodeListGetString(cpl_element->doc,
> element->xmlChildrenNode,
> 1);
> @@ -242,22 +234,15 @@ static int fill_timecode(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> return 0;
>
> element = ff_imf_xml_get_child_element_by_name(tc_element, "TimecodeDropFrame");
> - if (!element) {
> - av_log(NULL, AV_LOG_ERROR, "CompositionTimecode element is missing\
> - a TimecodeDropFrame child element\n");
> + if (!element)
> return AVERROR_INVALIDDATA;
> - }
>
> - if (ff_imf_xml_read_boolean(element, &df)) {
> - av_log(NULL, AV_LOG_ERROR, "TimecodeDropFrame element is invalid\n");
> + if (ff_imf_xml_read_boolean(element, &df))
> return AVERROR_INVALIDDATA;
> - }
> +
> element = ff_imf_xml_get_child_element_by_name(tc_element, "TimecodeStartAddress");
> - if (!element) {
> - av_log(NULL, AV_LOG_ERROR, "CompositionTimecode element is missing\
> - a TimecodeStartAddress child element\n");
> + if (!element)
> return AVERROR_INVALIDDATA;
> - }
>
> tc_str = xmlNodeListGetString(element->doc, element->xmlChildrenNode, 1);
> ret = parse_cpl_tc_type(tc_str, comps);
> @@ -280,10 +265,8 @@ static int fill_edit_rate(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> {
> xmlNodePtr element = NULL;
>
> - if (!(element = ff_imf_xml_get_child_element_by_name(cpl_element, "EditRate"))) {
> - av_log(NULL, AV_LOG_ERROR, "EditRate element not found in the IMF CPL\n");
> + if (!(element = ff_imf_xml_get_child_element_by_name(cpl_element, "EditRate")))
> return AVERROR_INVALIDDATA;
> - }
>
> return ff_imf_xml_read_rational(element, &cpl->edit_rate);
> }
> @@ -292,10 +275,8 @@ static int fill_id(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> {
> xmlNodePtr element = NULL;
>
> - if (!(element = ff_imf_xml_get_child_element_by_name(cpl_element, "Id"))) {
> - av_log(NULL, AV_LOG_ERROR, "Id element not found in the IMF CPL\n");
> + if (!(element = ff_imf_xml_get_child_element_by_name(cpl_element, "Id")))
> return AVERROR_INVALIDDATA;
> - }
>
> return ff_imf_xml_read_uuid(element, cpl->id_uuid);
> }
> @@ -306,22 +287,19 @@ static int fill_marker(xmlNodePtr marker_elem, FFIMFMarker *marker)
> int ret = 0;
>
> /* read Offset */
> - if (!(element = ff_imf_xml_get_child_element_by_name(marker_elem, "Offset"))) {
> - av_log(NULL, AV_LOG_ERROR, "Offset element not found in a Marker\n");
> + if (!(element = ff_imf_xml_get_child_element_by_name(marker_elem, "Offset")))
> return AVERROR_INVALIDDATA;
> - }
> +
> if ((ret = ff_imf_xml_read_uint32(element, &marker->offset)))
> return ret;
>
> /* read Label and Scope */
> - if (!(element = ff_imf_xml_get_child_element_by_name(marker_elem, "Label"))) {
> - av_log(NULL, AV_LOG_ERROR, "Label element not found in a Marker\n");
> + if (!(element = ff_imf_xml_get_child_element_by_name(marker_elem, "Label")))
> return AVERROR_INVALIDDATA;
> - }
> - if (!(marker->label_utf8 = xmlNodeListGetString(element->doc, element->xmlChildrenNode, 1))) {
> - av_log(NULL, AV_LOG_ERROR, "Empty Label element found in a Marker\n");
> +
> + if (!(marker->label_utf8 = xmlNodeListGetString(element->doc, element->xmlChildrenNode, 1)))
> return AVERROR_INVALIDDATA;
> - }
> +
> if (!(marker->scope_utf8 = xmlGetNoNsProp(element, "scope"))) {
> marker->scope_utf8
> = xmlCharStrdup("http://www.smpte-ra.org/schemas/2067-3/2013#standard-markers");
> @@ -334,7 +312,8 @@ static int fill_marker(xmlNodePtr marker_elem, FFIMFMarker *marker)
> return ret;
> }
>
> -static int fill_base_resource(xmlNodePtr resource_elem, FFIMFBaseResource *resource, FFIMFCPL *cpl)
> +static int fill_base_resource(void *log_ctx, xmlNodePtr resource_elem,
> + FFIMFBaseResource *resource, FFIMFCPL *cpl)
> {
> xmlNodePtr element = NULL;
> int ret = 0;
> @@ -343,14 +322,14 @@ static int fill_base_resource(xmlNodePtr resource_elem, FFIMFBaseResource *resou
> if (!(element = ff_imf_xml_get_child_element_by_name(resource_elem, "EditRate"))) {
> resource->edit_rate = cpl->edit_rate;
> } else if ((ret = ff_imf_xml_read_rational(element, &resource->edit_rate))) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid EditRate element found in a Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid EditRate element found in a Resource\n");
> return ret;
> }
>
> /* read EntryPoint */
> if ((element = ff_imf_xml_get_child_element_by_name(resource_elem, "EntryPoint"))) {
> if ((ret = ff_imf_xml_read_uint32(element, &resource->entry_point))) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid EntryPoint element found in a Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid EntryPoint element found in a Resource\n");
> return ret;
> }
> } else {
> @@ -359,11 +338,11 @@ static int fill_base_resource(xmlNodePtr resource_elem, FFIMFBaseResource *resou
>
> /* read IntrinsicDuration */
> if (!(element = ff_imf_xml_get_child_element_by_name(resource_elem, "IntrinsicDuration"))) {
> - av_log(NULL, AV_LOG_ERROR, "IntrinsicDuration element missing from Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "IntrinsicDuration element missing from Resource\n");
> return AVERROR_INVALIDDATA;
> }
> if ((ret = ff_imf_xml_read_uint32(element, &resource->duration))) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid IntrinsicDuration element found in a Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid IntrinsicDuration element found in a Resource\n");
> return ret;
> }
> resource->duration -= resource->entry_point;
> @@ -371,7 +350,7 @@ static int fill_base_resource(xmlNodePtr resource_elem, FFIMFBaseResource *resou
> /* read SourceDuration */
> if ((element = ff_imf_xml_get_child_element_by_name(resource_elem, "SourceDuration"))) {
> if ((ret = ff_imf_xml_read_uint32(element, &resource->duration))) {
> - av_log(NULL, AV_LOG_ERROR, "SourceDuration element missing from Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "SourceDuration element missing from Resource\n");
> return ret;
> }
> }
> @@ -383,38 +362,38 @@ static int fill_base_resource(xmlNodePtr resource_elem, FFIMFBaseResource *resou
> return ret;
> }
>
> -static int fill_trackfile_resource(xmlNodePtr tf_resource_elem,
> +static int fill_trackfile_resource(void *log_ctx, xmlNodePtr tf_resource_elem,
> FFIMFTrackFileResource *tf_resource,
> FFIMFCPL *cpl)
> {
> xmlNodePtr element = NULL;
> int ret = 0;
>
> - if ((ret = fill_base_resource(tf_resource_elem, (FFIMFBaseResource *)tf_resource, cpl)))
> + if ((ret = fill_base_resource(log_ctx, tf_resource_elem, (FFIMFBaseResource *)tf_resource, cpl)))
> return ret;
>
> /* read TrackFileId */
> if ((element = ff_imf_xml_get_child_element_by_name(tf_resource_elem, "TrackFileId"))) {
> if ((ret = ff_imf_xml_read_uuid(element, tf_resource->track_file_uuid))) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid TrackFileId element found in Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid TrackFileId element found in Resource\n");
> return ret;
> }
> } else {
> - av_log(NULL, AV_LOG_ERROR, "TrackFileId element missing from Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "TrackFileId element missing from Resource\n");
> return AVERROR_INVALIDDATA;
> }
>
> return ret;
> }
>
> -static int fill_marker_resource(xmlNodePtr marker_resource_elem,
> +static int fill_marker_resource(void *log_ctx, xmlNodePtr marker_resource_elem,
> FFIMFMarkerResource *marker_resource,
> FFIMFCPL *cpl)
> {
> xmlNodePtr element = NULL;
> int ret = 0;
>
> - if ((ret = fill_base_resource(marker_resource_elem, (FFIMFBaseResource *)marker_resource, cpl)))
> + if ((ret = fill_base_resource(log_ctx, marker_resource_elem, (FFIMFBaseResource *)marker_resource, cpl)))
> return ret;
>
> /* read markers */
> @@ -436,8 +415,10 @@ static int fill_marker_resource(xmlNodePtr marker_resource_elem,
> ret = fill_marker(element,
> &marker_resource->markers[marker_resource->marker_count]);
> marker_resource->marker_count++;
> - if (ret)
> + if (ret) {
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid Marker element\n");
> return ret;
> + }
> }
>
> element = xmlNextElementSibling(element);
> @@ -446,7 +427,7 @@ static int fill_marker_resource(xmlNodePtr marker_resource_elem,
> return ret;
> }
>
> -static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
> +static int push_marker_sequence(void *log_ctx, xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
> {
> int ret = 0;
> AVUUID uuid;
> @@ -458,14 +439,14 @@ static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
>
> /* read TrackID element */
> if (!(track_id_elem = ff_imf_xml_get_child_element_by_name(marker_sequence_elem, "TrackId"))) {
> - av_log(NULL, AV_LOG_ERROR, "TrackId element missing from Sequence\n");
> + av_log(log_ctx, AV_LOG_ERROR, "TrackId element missing from Sequence\n");
> return AVERROR_INVALIDDATA;
> }
> if (ff_imf_xml_read_uuid(track_id_elem, uuid)) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid TrackId element found in Sequence\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid TrackId element found in Sequence\n");
> return AVERROR_INVALIDDATA;
> }
> - av_log(NULL,
> + av_log(log_ctx,
> AV_LOG_DEBUG,
> "Processing IMF CPL Marker Sequence for Virtual Track " AV_PRI_UUID "\n",
> AV_UUID_ARG(uuid));
> @@ -479,7 +460,7 @@ static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
> av_uuid_copy(cpl->main_markers_track->base.id_uuid, uuid);
>
> } else if (!av_uuid_equal(cpl->main_markers_track->base.id_uuid, uuid)) {
> - av_log(NULL, AV_LOG_ERROR, "Multiple marker virtual tracks were found\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Multiple marker virtual tracks were found\n");
> return AVERROR_INVALIDDATA;
> }
>
> @@ -496,7 +477,7 @@ static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
> cpl->main_markers_track->resource_count + resource_elem_count,
> sizeof(FFIMFMarkerResource));
> if (!tmp) {
> - av_log(NULL, AV_LOG_ERROR, "Cannot allocate Marker Resources\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Cannot allocate Marker Resources\n");
> return AVERROR(ENOMEM);
> }
> cpl->main_markers_track->resources = tmp;
> @@ -504,7 +485,7 @@ static int push_marker_sequence(xmlNodePtr marker_sequence_elem, FFIMFCPL *cpl)
> resource_elem = xmlFirstElementChild(resource_list_elem);
> while (resource_elem) {
> imf_marker_resource_init(&cpl->main_markers_track->resources[cpl->main_markers_track->resource_count]);
> - ret = fill_marker_resource(resource_elem,
> + ret = fill_marker_resource(log_ctx, resource_elem,
> &cpl->main_markers_track->resources[cpl->main_markers_track->resource_count],
> cpl);
> cpl->main_markers_track->resource_count++;
> @@ -533,7 +514,7 @@ static int has_stereo_resources(xmlNodePtr element)
> return 0;
> }
>
> -static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cpl)
> +static int push_main_audio_sequence(void *log_ctx, xmlNodePtr audio_sequence_elem, FFIMFCPL *cpl)
> {
> int ret = 0;
> AVUUID uuid;
> @@ -546,14 +527,14 @@ static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cp
>
> /* read TrackID element */
> if (!(track_id_elem = ff_imf_xml_get_child_element_by_name(audio_sequence_elem, "TrackId"))) {
> - av_log(NULL, AV_LOG_ERROR, "TrackId element missing from audio sequence\n");
> + av_log(log_ctx, AV_LOG_ERROR, "TrackId element missing from audio sequence\n");
> return AVERROR_INVALIDDATA;
> }
> if ((ret = ff_imf_xml_read_uuid(track_id_elem, uuid))) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid TrackId element found in audio sequence\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid TrackId element found in audio sequence\n");
> return ret;
> }
> - av_log(NULL,
> + av_log(log_ctx,
> AV_LOG_DEBUG,
> "Processing IMF CPL Audio Sequence for Virtual Track " AV_PRI_UUID "\n",
> AV_UUID_ARG(uuid));
> @@ -597,7 +578,7 @@ static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cp
> (vt->resource_count + resource_elem_count)
> * sizeof(FFIMFTrackFileResource));
> if (!tmp) {
> - av_log(NULL, AV_LOG_ERROR, "Cannot allocate Main Audio Resources\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Cannot allocate Main Audio Resources\n");
> return AVERROR(ENOMEM);
> }
> vt->resources = tmp;
> @@ -605,11 +586,11 @@ static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cp
> resource_elem = xmlFirstElementChild(resource_list_elem);
> while (resource_elem) {
> imf_trackfile_resource_init(&vt->resources[vt->resource_count]);
> - ret = fill_trackfile_resource(resource_elem,
> + ret = fill_trackfile_resource(log_ctx, resource_elem,
> &vt->resources[vt->resource_count],
> cpl);
> if (ret)
> - av_log(NULL, AV_LOG_ERROR, "Invalid Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid Resource\n");
> else
> vt->resource_count++;
>
> @@ -619,7 +600,7 @@ static int push_main_audio_sequence(xmlNodePtr audio_sequence_elem, FFIMFCPL *cp
> return ret;
> }
>
> -static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL *cpl)
> +static int push_main_image_2d_sequence(void *log_ctx, xmlNodePtr image_sequence_elem, FFIMFCPL *cpl)
> {
> int ret = 0;
> AVUUID uuid;
> @@ -631,17 +612,17 @@ static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL
>
> /* skip stereoscopic resources */
> if (has_stereo_resources(image_sequence_elem)) {
> - av_log(NULL, AV_LOG_ERROR, "Stereoscopic 3D image virtual tracks not supported\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Stereoscopic 3D image virtual tracks not supported\n");
> return AVERROR_PATCHWELCOME;
> }
>
> /* read TrackId element*/
> if (!(track_id_elem = ff_imf_xml_get_child_element_by_name(image_sequence_elem, "TrackId"))) {
> - av_log(NULL, AV_LOG_ERROR, "TrackId element missing from audio sequence\n");
> + av_log(log_ctx, AV_LOG_ERROR, "TrackId element missing from audio sequence\n");
> return AVERROR_INVALIDDATA;
> }
> if ((ret = ff_imf_xml_read_uuid(track_id_elem, uuid))) {
> - av_log(NULL, AV_LOG_ERROR, "Invalid TrackId element found in audio sequence\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid TrackId element found in audio sequence\n");
> return ret;
> }
>
> @@ -654,10 +635,10 @@ static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL
> av_uuid_copy(cpl->main_image_2d_track->base.id_uuid, uuid);
>
> } else if (!av_uuid_equal(cpl->main_image_2d_track->base.id_uuid, uuid)) {
> - av_log(NULL, AV_LOG_ERROR, "Multiple MainImage virtual tracks found\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Multiple MainImage virtual tracks found\n");
> return AVERROR_INVALIDDATA;
> }
> - av_log(NULL,
> + av_log(log_ctx,
> AV_LOG_DEBUG,
> "Processing IMF CPL Main Image Sequence for Virtual Track " AV_PRI_UUID "\n",
> AV_UUID_ARG(uuid));
> @@ -678,7 +659,7 @@ static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL
> (cpl->main_image_2d_track->resource_count + resource_elem_count)
> * sizeof(FFIMFTrackFileResource));
> if (!tmp) {
> - av_log(NULL, AV_LOG_ERROR, "Cannot allocate Main Image Resources\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Cannot allocate Main Image Resources\n");
> return AVERROR(ENOMEM);
> }
> cpl->main_image_2d_track->resources = tmp;
> @@ -687,11 +668,11 @@ static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL
> while (resource_elem) {
> imf_trackfile_resource_init(
> &cpl->main_image_2d_track->resources[cpl->main_image_2d_track->resource_count]);
> - ret = fill_trackfile_resource(resource_elem,
> + ret = fill_trackfile_resource(log_ctx, resource_elem,
> &cpl->main_image_2d_track->resources[cpl->main_image_2d_track->resource_count],
> cpl);
> if (ret)
> - av_log(NULL, AV_LOG_ERROR, "Invalid Resource\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid Resource\n");
> else
> cpl->main_image_2d_track->resource_count++;
>
> @@ -701,7 +682,7 @@ static int push_main_image_2d_sequence(xmlNodePtr image_sequence_elem, FFIMFCPL
> return 0;
> }
>
> -static int fill_virtual_tracks(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> +static int fill_virtual_tracks(void *log_ctx, xmlNodePtr cpl_element, FFIMFCPL *cpl)
> {
> int ret = 0;
> xmlNodePtr segment_list_elem = NULL;
> @@ -710,14 +691,14 @@ static int fill_virtual_tracks(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> xmlNodePtr sequence_elem = NULL;
>
> if (!(segment_list_elem = ff_imf_xml_get_child_element_by_name(cpl_element, "SegmentList"))) {
> - av_log(NULL, AV_LOG_ERROR, "SegmentList element missing\n");
> + av_log(log_ctx, AV_LOG_ERROR, "SegmentList element missing\n");
> return AVERROR_INVALIDDATA;
> }
>
> /* process sequences */
> segment_elem = xmlFirstElementChild(segment_list_elem);
> while (segment_elem) {
> - av_log(NULL, AV_LOG_DEBUG, "Processing IMF CPL Segment\n");
> + av_log(log_ctx, AV_LOG_DEBUG, "Processing IMF CPL Segment\n");
>
> sequence_list_elem = ff_imf_xml_get_child_element_by_name(segment_elem, "SequenceList");
> if (!sequence_list_elem)
> @@ -726,16 +707,16 @@ static int fill_virtual_tracks(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> sequence_elem = xmlFirstElementChild(sequence_list_elem);
> while (sequence_elem) {
> if (xmlStrcmp(sequence_elem->name, "MarkerSequence") == 0)
> - ret = push_marker_sequence(sequence_elem, cpl);
> + ret = push_marker_sequence(log_ctx, sequence_elem, cpl);
>
> else if (xmlStrcmp(sequence_elem->name, "MainImageSequence") == 0)
> - ret = push_main_image_2d_sequence(sequence_elem, cpl);
> + ret = push_main_image_2d_sequence(log_ctx, sequence_elem, cpl);
>
> else if (xmlStrcmp(sequence_elem->name, "MainAudioSequence") == 0)
> - ret = push_main_audio_sequence(sequence_elem, cpl);
> + ret = push_main_audio_sequence(log_ctx, sequence_elem, cpl);
>
> else
> - av_log(NULL,
> + av_log(log_ctx,
> AV_LOG_INFO,
> "The following Sequence is not supported and is ignored: %s\n",
> sequence_elem->name);
> @@ -753,7 +734,7 @@ static int fill_virtual_tracks(xmlNodePtr cpl_element, FFIMFCPL *cpl)
> return ret;
> }
>
> -int ff_imf_parse_cpl_from_xml_dom(xmlDocPtr doc, FFIMFCPL **cpl)
> +int ff_imf_parse_cpl_from_xml_dom(void *log_ctx, xmlDocPtr doc, FFIMFCPL **cpl)
> {
> int ret = 0;
> xmlNodePtr cpl_element = NULL;
> @@ -766,20 +747,28 @@ int ff_imf_parse_cpl_from_xml_dom(xmlDocPtr doc, FFIMFCPL **cpl)
>
> cpl_element = xmlDocGetRootElement(doc);
> if (!cpl_element || xmlStrcmp(cpl_element->name, "CompositionPlaylist")) {
> - av_log(NULL, AV_LOG_ERROR, "The root element of the CPL is not CompositionPlaylist\n");
> + av_log(log_ctx, AV_LOG_ERROR, "The root element of the CPL is not CompositionPlaylist\n");
> ret = AVERROR_INVALIDDATA;
> goto cleanup;
> }
>
> - if ((ret = fill_content_title(cpl_element, *cpl)))
> + if ((ret = fill_content_title(cpl_element, *cpl))) {
> + av_log(log_ctx, AV_LOG_ERROR, "Cannot read the ContentTitle element from the IMF CPL\n");
> goto cleanup;
> - if ((ret = fill_id(cpl_element, *cpl)))
> + }
> + if ((ret = fill_id(cpl_element, *cpl))) {
> + av_log(log_ctx, AV_LOG_ERROR, "Id element not found in the IMF CPL\n");
> goto cleanup;
> - if ((ret = fill_edit_rate(cpl_element, *cpl)))
> + }
> + if ((ret = fill_edit_rate(cpl_element, *cpl))) {
> + av_log(log_ctx, AV_LOG_ERROR, "EditRate element not found in the IMF CPL\n");
> goto cleanup;
> - if ((ret = fill_timecode(cpl_element, *cpl)))
> + }
> + if ((ret = fill_timecode(cpl_element, *cpl))) {
> + av_log(log_ctx, AV_LOG_ERROR, "Invalid CompositionTimecode element found in the IMF CPL\n");
> goto cleanup;
> - if ((ret = fill_virtual_tracks(cpl_element, *cpl)))
> + }
> + if ((ret = fill_virtual_tracks(log_ctx, cpl_element, *cpl)))
> goto cleanup;
>
> cleanup:
> @@ -875,7 +864,7 @@ void ff_imf_cpl_free(FFIMFCPL *cpl)
> av_freep(&cpl);
> }
>
> -int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
> +int ff_imf_parse_cpl(void *log_ctx, AVIOContext *in, FFIMFCPL **cpl)
> {
> AVBPrint buf;
> xmlDoc *doc = NULL;
> @@ -885,7 +874,7 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
>
> ret = avio_read_to_bprint(in, &buf, SIZE_MAX);
> if (ret < 0 || !avio_feof(in)) {
> - av_log(NULL, AV_LOG_ERROR, "Cannot read IMF CPL\n");
> + av_log(log_ctx, AV_LOG_ERROR, "Cannot read IMF CPL\n");
> if (ret == 0)
> ret = AVERROR_INVALIDDATA;
> goto clean_up;
> @@ -895,21 +884,21 @@ int ff_imf_parse_cpl(AVIOContext *in, FFIMFCPL **cpl)
>
> doc = xmlReadMemory(buf.str, buf.len, NULL, NULL, 0);
> if (!doc) {
> - av_log(NULL,
> + av_log(log_ctx,
> AV_LOG_ERROR,
> "XML parsing failed when reading the IMF CPL\n");
> ret = AVERROR_INVALIDDATA;
> goto clean_up;
> }
>
> - if ((ret = ff_imf_parse_cpl_from_xml_dom(doc, cpl))) {
> - av_log(NULL, AV_LOG_ERROR, "Cannot parse IMF CPL\n");
> + if ((ret = ff_imf_parse_cpl_from_xml_dom(log_ctx, doc, cpl))) {
> + av_log(log_ctx, AV_LOG_ERROR, "Cannot parse IMF CPL\n");
> } else {
> - av_log(NULL,
> + av_log(log_ctx,
> AV_LOG_INFO,
> "IMF CPL ContentTitle: %s\n",
> (*cpl)->content_title_utf8);
> - av_log(NULL,
> + av_log(log_ctx,
> AV_LOG_INFO,
> "IMF CPL Id: " AV_PRI_UUID "\n",
> AV_UUID_ARG((*cpl)->id_uuid));
> diff --git a/libavformat/imfdec.c b/libavformat/imfdec.c
> index 7d04d0d853..818b5e590b 100644
> --- a/libavformat/imfdec.c
> +++ b/libavformat/imfdec.c
> @@ -649,7 +649,7 @@ static int imf_read_header(AVFormatContext *s)
>
> av_log(s, AV_LOG_DEBUG, "start parsing IMF CPL: %s\n", s->url);
>
> - if ((ret = ff_imf_parse_cpl(s->pb, &c->cpl)) < 0)
> + if ((ret = ff_imf_parse_cpl(s, s->pb, &c->cpl)) < 0)
> return ret;
>
> tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
> diff --git a/libavformat/tests/imf.c b/libavformat/tests/imf.c
> index 068ee6c58a..92d1052a1d 100644
> --- a/libavformat/tests/imf.c
> +++ b/libavformat/tests/imf.c
> @@ -341,7 +341,7 @@ static int test_cpl_parsing(void)
> return 1;
> }
>
> - ret = ff_imf_parse_cpl_from_xml_dom(doc, &cpl);
> + ret = ff_imf_parse_cpl_from_xml_dom(NULL, doc, &cpl);
> xmlFreeDoc(doc);
> if (ret) {
> printf("CPL parsing failed.\n");
> @@ -394,7 +394,7 @@ static int test_cpl_from_doc(FFIMFCPL **cpl, const char* cpl_doc, int should_pas
> return should_pass;
> }
>
> - ret = ff_imf_parse_cpl_from_xml_dom(doc, cpl);
> + ret = ff_imf_parse_cpl_from_xml_dom(NULL, doc, cpl);
> xmlFreeDoc(doc);
> if (ret) {
> printf("CPL parsing failed.\n");
> --
> 2.25.1
>
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