mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
cosmetics: Write NULL pointer inequality checks more compactly
Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
parent
f929ab0569
commit
4b1f5e5090
@ -176,7 +176,7 @@ static const OptionDef *find_option(const OptionDef *po, const char *name)
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const char *p = strchr(name, ':');
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int len = p ? p - name : strlen(name);
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while (po->name != NULL) {
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while (po->name) {
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if (!strncmp(name, po->name, len) && strlen(po->name) == len)
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break;
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po++;
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@ -314,7 +314,7 @@ static int decode_dvd_subtitles(DVDSubContext *ctx, AVSubtitle *sub_header,
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if (h < 0)
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h = 0;
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if (w > 0 && h > 0) {
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if (sub_header->rects != NULL) {
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if (sub_header->rects) {
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for (i = 0; i < sub_header->num_rects; i++) {
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av_freep(&sub_header->rects[i]->pict.data[0]);
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av_freep(&sub_header->rects[i]->pict.data[1]);
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@ -625,7 +625,7 @@ intrax8_decoded:
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if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0)
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return ret;
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ff_print_debug_info(s, s->current_picture_ptr);
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} else if (s->last_picture_ptr != NULL) {
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} else if (s->last_picture_ptr) {
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if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0)
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return ret;
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ff_print_debug_info(s, s->last_picture_ptr);
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@ -759,7 +759,7 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
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(h->max_pic_num - 1);
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#if 0
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if (mmco[i].short_pic_num >= h->short_ref_count ||
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!h->short_ref[ mmco[i].short_pic_num ]) {
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!h->short_ref[mmco[i].short_pic_num]) {
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av_log(s->avctx, AV_LOG_ERROR,
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"illegal short ref in memory management control "
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"operation %d\n", mmco);
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@ -159,7 +159,7 @@ static void coded_frame_add(void *list, struct FrameListData *cx_frame)
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{
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struct FrameListData **p = list;
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while (*p != NULL)
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while (*p)
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p = &(*p)->next;
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*p = cx_frame;
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cx_frame->next = NULL;
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@ -127,7 +127,7 @@ static int xvid_ff_2pass_destroy(struct xvid_context *ref,
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xvid_plg_destroy_t *param) {
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/* Currently cannot think of anything to do on destruction */
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/* Still, the framework should be here for reference/use */
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if( ref->twopassbuffer != NULL )
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if (ref->twopassbuffer)
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ref->twopassbuffer[0] = 0;
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return 0;
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}
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@ -772,7 +772,7 @@ static av_cold int xvid_encode_close(AVCodecContext *avctx) {
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xvid_encore(x->encoder_handle, XVID_ENC_DESTROY, NULL, NULL);
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av_freep(&avctx->extradata);
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if( x->twopassbuffer != NULL ) {
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if (x->twopassbuffer) {
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av_free(x->twopassbuffer);
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av_free(x->old_twopassbuffer);
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}
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@ -2028,7 +2028,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
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s->picture_number++;
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/* latency of 1 frame for I- and P-frames */
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/* XXX: use another variable than picture_number */
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if (s->last_picture_ptr != NULL) {
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if (s->last_picture_ptr) {
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int ret = av_frame_ref(pict, s->last_picture_ptr->f);
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if (ret < 0)
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return ret;
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@ -455,7 +455,7 @@ static void qdm2_decode_sub_packet_header(GetBitContext *gb,
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static QDM2SubPNode *qdm2_search_subpacket_type_in_list(QDM2SubPNode *list,
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int type)
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{
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while (list != NULL && list->packet != NULL) {
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while (list && list->packet) {
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if (list->packet->type == type)
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return list;
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list = list->next;
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@ -1211,23 +1211,23 @@ static void process_synthesis_subpackets(QDM2Context *q, QDM2SubPNode *list)
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QDM2SubPNode *nodes[4];
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nodes[0] = qdm2_search_subpacket_type_in_list(list, 9);
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if (nodes[0] != NULL)
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if (nodes[0])
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process_subpacket_9(q, nodes[0]);
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nodes[1] = qdm2_search_subpacket_type_in_list(list, 10);
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if (nodes[1] != NULL)
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if (nodes[1])
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process_subpacket_10(q, nodes[1]);
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else
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process_subpacket_10(q, NULL);
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nodes[2] = qdm2_search_subpacket_type_in_list(list, 11);
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if (nodes[0] != NULL && nodes[1] != NULL && nodes[2] != NULL)
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if (nodes[0] && nodes[1] && nodes[2])
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process_subpacket_11(q, nodes[2]);
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else
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process_subpacket_11(q, NULL);
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nodes[3] = qdm2_search_subpacket_type_in_list(list, 12);
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if (nodes[0] != NULL && nodes[1] != NULL && nodes[3] != NULL)
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if (nodes[0] && nodes[1] && nodes[3])
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process_subpacket_12(q, nodes[3]);
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else
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process_subpacket_12(q, NULL);
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@ -1352,7 +1352,7 @@ static void qdm2_decode_super_block(QDM2Context *q)
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}
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} // Packet bytes loop
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if (q->sub_packet_list_D[0].packet != NULL) {
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if (q->sub_packet_list_D[0].packet) {
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process_synthesis_subpackets(q, q->sub_packet_list_D);
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q->do_synth_filter = 1;
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} else if (q->do_synth_filter) {
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@ -1939,7 +1939,7 @@ static int qdm2_decode(QDM2Context *q, const uint8_t *in, int16_t *out)
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for (ch = 0; ch < q->channels; ch++) {
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qdm2_calculate_fft(q, ch, q->sub_packet);
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if (!q->has_errors && q->sub_packet_list_C[0].packet != NULL) {
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if (!q->has_errors && q->sub_packet_list_C[0].packet) {
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SAMPLES_NEEDED_2("has errors, and C list is not empty")
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return -1;
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}
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@ -737,7 +737,7 @@ static int rv10_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
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i++;
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}
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if (s->current_picture_ptr != NULL && s->mb_y >= s->mb_height) {
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if (s->current_picture_ptr && s->mb_y >= s->mb_height) {
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ff_er_frame_end(&s->er);
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ff_mpv_frame_end(s);
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@ -745,7 +745,7 @@ static int rv10_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
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if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0)
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return ret;
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ff_print_debug_info(s, s->current_picture_ptr);
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} else if (s->last_picture_ptr != NULL) {
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} else if (s->last_picture_ptr) {
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if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0)
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return ret;
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ff_print_debug_info(s, s->last_picture_ptr);
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@ -1591,7 +1591,7 @@ static int finish_frame(AVCodecContext *avctx, AVFrame *pict)
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return ret;
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ff_print_debug_info(s, s->current_picture_ptr);
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got_picture = 1;
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} else if (s->last_picture_ptr != NULL) {
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} else if (s->last_picture_ptr) {
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if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0)
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return ret;
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ff_print_debug_info(s, s->last_picture_ptr);
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@ -107,7 +107,7 @@ av_cold void avcodec_register(AVCodec *codec)
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AVCodec **p;
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avcodec_init();
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p = &first_avcodec;
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while (*p != NULL)
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while (*p)
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p = &(*p)->next;
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*p = codec;
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codec->next = NULL;
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@ -473,7 +473,7 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
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FramePool *pool = s->internal->pool;
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int i;
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if (pic->data[0] != NULL) {
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if (pic->data[0]) {
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av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
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return -1;
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}
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@ -6114,7 +6114,7 @@ image:
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goto err;
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ff_print_debug_info(s, s->current_picture_ptr);
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*got_frame = 1;
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} else if (s->last_picture_ptr != NULL) {
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} else if (s->last_picture_ptr) {
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if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0)
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goto err;
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ff_print_debug_info(s, s->last_picture_ptr);
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@ -98,7 +98,7 @@ int ffurl_register_protocol(URLProtocol *protocol)
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{
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URLProtocol **p;
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p = &first_protocol;
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while (*p != NULL)
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while (*p)
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p = &(*p)->next;
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*p = protocol;
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protocol->next = NULL;
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@ -56,7 +56,7 @@ void av_register_input_format(AVInputFormat *format)
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{
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AVInputFormat **p = &first_iformat;
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while (*p != NULL)
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while (*p)
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p = &(*p)->next;
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*p = format;
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@ -67,7 +67,7 @@ void av_register_output_format(AVOutputFormat *format)
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{
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AVOutputFormat **p = &first_oformat;
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while (*p != NULL)
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while (*p)
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p = &(*p)->next;
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*p = format;
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@ -151,7 +151,7 @@ static int http_open_cnx_internal(URLContext *h, AVDictionary **options)
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proxy_path = getenv("http_proxy");
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use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), hostname) &&
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proxy_path != NULL && av_strstart(proxy_path, "http://", NULL);
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proxy_path && av_strstart(proxy_path, "http://", NULL);
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if (!strcmp(proto, "https")) {
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lower_proto = "tls";
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@ -1583,7 +1583,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
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if (!strcmp(track->codec_id, "V_MS/VFW/FOURCC") &&
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track->codec_priv.size >= 40 &&
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track->codec_priv.data != NULL) {
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track->codec_priv.data) {
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track->ms_compat = 1;
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track->video.fourcc = AV_RL32(track->codec_priv.data + 16);
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codec_id = ff_codec_get_id(ff_codec_bmp_tags,
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@ -1591,7 +1591,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
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extradata_offset = 40;
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} else if (!strcmp(track->codec_id, "A_MS/ACM") &&
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track->codec_priv.size >= 14 &&
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track->codec_priv.data != NULL) {
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track->codec_priv.data) {
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int ret;
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ffio_init_context(&b, track->codec_priv.data,
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track->codec_priv.size,
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@ -1603,7 +1603,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
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extradata_offset = FFMIN(track->codec_priv.size, 18);
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} else if (!strcmp(track->codec_id, "V_QUICKTIME") &&
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(track->codec_priv.size >= 86) &&
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(track->codec_priv.data != NULL)) {
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(track->codec_priv.data)) {
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track->video.fourcc = AV_RL32(track->codec_priv.data);
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codec_id = ff_codec_get_id(ff_codec_movvideo_tags,
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track->video.fourcc);
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@ -3369,7 +3369,7 @@ static int mov_write_header(AVFormatContext *s)
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/* Default mode == MP4 */
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mov->mode = MODE_MP4;
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if (s->oformat != NULL) {
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if (s->oformat) {
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if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
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else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
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else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
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@ -375,7 +375,7 @@ static int gen_connect(URLContext *s, RTMPContext *rt)
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char *param = rt->conn;
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// Write arbitrary AMF data to the Connect message.
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while (param != NULL) {
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while (param) {
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char *sep;
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param += strspn(param, " ");
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if (!*param)
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@ -101,7 +101,7 @@ static int segment_hls_window(AVFormatContext *s, int last)
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for (i = FFMAX(0, seg->number - seg->size);
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i < seg->number; i++) {
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avio_printf(seg->pb, "#EXTINF:%d,\n", (int)seg->time);
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if (seg->entry_prefix != NULL) {
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if (seg->entry_prefix) {
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avio_printf(seg->pb, "%s", seg->entry_prefix);
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}
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av_get_frame_filename(buf, sizeof(buf), s->filename, i);
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@ -164,7 +164,7 @@ static int tls_open(URLContext *h, const char *uri, int flags)
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proxy_path = getenv("http_proxy");
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use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), host) &&
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proxy_path != NULL && av_strstart(proxy_path, "http://", NULL);
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proxy_path && av_strstart(proxy_path, "http://", NULL);
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if (use_proxy) {
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char proxy_host[200], proxy_auth[200], dest[200];
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@ -111,7 +111,7 @@ void ff_make_absolute_url(char *buf, int size, const char *base,
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/* Strip off any query string from base */
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path_query = strchr(buf, '?');
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if (path_query != NULL)
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if (path_query)
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*path_query = '\0';
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/* Is relative path just a new query part? */
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@ -544,7 +544,7 @@ int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags)
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void av_opt_set_defaults(void *s)
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{
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const AVOption *opt = NULL;
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while ((opt = av_opt_next(s, opt)) != NULL) {
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while ((opt = av_opt_next(s, opt))) {
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if (opt->flags & AV_OPT_FLAG_READONLY)
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continue;
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@ -177,7 +177,7 @@ int main(int argc, char **argv)
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return 1;
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}
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if ((ext = strrchr(argv[1], '.')) != NULL && !strcmp(ext, ".wav"))
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if ((ext = strrchr(argv[1], '.')) && !strcmp(ext, ".wav"))
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put_wav_header(sample_rate, nb_channels, 6 * sample_rate);
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/* 1 second of single freq sine at 1000 Hz */
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@ -323,7 +323,7 @@ static int handle_file(struct Tracks *tracks, const char *file, int split,
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tracks->tracks[tracks->nb_tracks] = track;
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track->name = file;
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if ((ptr = strrchr(file, '/')) != NULL)
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if ((ptr = strrchr(file, '/')))
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track->name = ptr + 1;
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track->bitrate = st->codec->bit_rate;
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